merge fix

This commit is contained in:
Erik Zandvliet 2011-06-08 13:56:05 +02:00
commit edcd6bc0b4
53 changed files with 4133 additions and 4098 deletions

9
.gitignore vendored
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@ -1,12 +1,15 @@
#ignore object files and nonsense like that
*.[oa]
Admin/main
Connector_HTTP/Connector_HTTP
Buffer/Buffer
Connector_RTMP/Connector_RTMP
Connector_HTTP/DDV_Conn_HTTP
Buffer/DDV_Buffer
Connector_RTMP/DDV_Conn_RTMP
Connector_RTSP/DDV_Conn_RTSP
Connector_RTSP/Connector_RTSP
Connector_RAW/DDV_Conn_RAW
*~
bin/*
docs
gearbox/plugins/001_putserversup.sh
AMF_Tester/AMFtest
AMF_Creator/AMFtest

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@ -1,3 +1,8 @@
/// \file ABST_Parser/main.cpp
/// Debugging tool for ABST boxes.
/// Expects ABST data through stdin, outputs human-readable information to stderr.
/// \todo Erik, update, delete or properly document this file.
#include <stdint.h>
#include <iostream>
#include <string>

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@ -1,4 +1,4 @@
SRC = main.cpp
SRC = main.cpp ../util/amf.cpp
OBJ = $(SRC:.cpp=.o)
OUT = AMFtest
INCLUDES =
@ -12,7 +12,7 @@ LIBS = -lssl -lcrypto
default: $(OUT)
.cpp.o:
$(CC) $(INCLUDES) $(CCFLAGS) -c $< -o $@
$(OUT): $(OBJ) amf.cpp
$(OUT): $(OBJ)
$(CC) $(LIBS) -o $(OUT) $(OBJ)
clean:
rm -rf $(OBJ) $(OUT) Makefile.bak *~

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@ -1 +0,0 @@
../util/amf.cpp

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@ -1,18 +1,22 @@
#define DEBUG 10 //maximum debugging level evah
/// \file AMF_Tester/main.cpp
/// Debugging tool for AMF data.
/// Expects AMF data through stdin, outputs human-readable information to stderr.
#define DEBUG 10 //maximum debugging level
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <string>
#include "amf.cpp"
#include "../util/amf.h"
/// Debugging tool for AMF data.
/// Expects AMF data through stdin, outputs human-readable information to stderr.
int main() {
std::string temp;
while( std::cin.good() ) {
temp += std::cin.get();
}
static AMFType amfdata("empty", (unsigned char)AMF0_DDV_CONTAINER);
amfdata = parseAMF( (const unsigned char*)temp.c_str(), temp.length()-1 );
amfdata.Print( );
while (std::cin.good()){temp += std::cin.get();}//read all of std::cin to temp
temp.erase(temp.size()-1, 1);//strip the invalid last character
AMF::Object amfdata = AMF::parse(temp);//parse temp into an AMF::Object
amfdata.Print();//pretty-print the object
return 0;
}

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@ -1,3 +1,8 @@
/// \file Admin/main.cpp
/// Attempted administration tool for DDVTECH Clients.
/// Never finished - perhaps now obsolete...?
/// \todo This could serve as a basis for a new, more robust, control method for gearbox / the API.
#include <iostream>
#include <fstream>
#include <sstream>

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@ -1,8 +1,10 @@
SRC = main.cpp
SRC = main.cpp ../util/ddv_socket.cpp ../util/flv_tag.cpp
OBJ = $(SRC:.cpp=.o)
OUT = Buffer
OUT = DDV_Buffer
INCLUDES =
CCFLAGS = -Wall -Wextra -funsigned-char -g
DEBUG = 4
OPTIMIZE = -g
CCFLAGS = -Wall -Wextra -funsigned-char $(OPTIMIZE) -DDEBUG=$(DEBUG)
CC = $(CROSS)g++
LD = $(CROSS)ld
AR = $(CROSS)ar

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@ -1,3 +1,6 @@
/// \file Buffer/main.cpp
/// Contains the main code for the Buffer.
#include <fcntl.h>
#include <iostream>
#include <string>
@ -7,247 +10,272 @@
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "../util/flv.cpp" //FLV format parser
#include "../util/ddv_socket.cpp" //DDV Socket lib
#include "../util/flv_tag.h" //FLV format parser
#include "../util/ddv_socket.h" //DDV Socket lib
#include <sys/epoll.h>
void termination_handler (int signum){
switch (signum){
case SIGPIPE: return; break;
default: return; break;
}
}
/// Holds all code unique to the Buffer.
namespace Buffer{
struct buffer{
int number;
bool iskeyframe;
FLV_Pack * FLV;
buffer(){
number = -1;
iskeyframe = false;
FLV = 0;
}//constructor
};//buffer
class user{
public:
int MyBuffer;
int MyBuffer_num;
int MyBuffer_len;
int MyNum;
int currsend;
bool gotproperaudio;
void * lastpointer;
static int UserCount;
int s;
user(int fd){
s = fd;
MyNum = UserCount++;
gotproperaudio = false;
std::cout << "User " << MyNum << " connected" << std::endl;
}//constructor
void Disconnect(std::string reason) {
if (s != -1) {
close(s);
s = -1;
std::cout << "Disconnected user " << MyNum << ": " << reason << std::endl;
}
}//Disconnect
bool doSend(char * buffer, int todo){
int r = send(s, buffer+currsend, todo-currsend, 0);
if (r <= 0){
if ((r < 0) && (errno == EWOULDBLOCK)){return false;}
Disconnect("Connection closed");
return false;
}
currsend += r;
return (currsend == todo);
///A simple signal handler that ignores all signals.
void termination_handler (int signum){
switch (signum){
case SIGPIPE: return; break;
default: return; break;
}
void Send(buffer ** ringbuf, int buffers){
//TODO: Bij MP3: gotproperaudio - if false, stuur alleen als eerste byte is 0xFF en set op true
//not connected? cancel
if (s < 0){return;}
//still waiting for next buffer? check it
if (MyBuffer_num < 0){
MyBuffer_num = ringbuf[MyBuffer]->number;
//still waiting? don't crash - wait longer.
}
///holds FLV::Tag objects and their numbers
struct buffer{
int number;
FLV::Tag FLV;
};//buffer
/// Holds connected users.
/// Keeps track of what buffer users are using and the connection status.
class user{
public:
int MyBuffer; ///< Index of currently used buffer.
int MyBuffer_num; ///< Number of currently used buffer.
int MyBuffer_len; ///< Length in bytes of currently used buffer.
int MyNum; ///< User ID of this user.
int currsend; ///< Current amount of bytes sent.
bool gotproperaudio; ///< Whether the user received proper audio yet.
void * lastpointer; ///< Pointer to data part of current buffer.
static int UserCount; ///< Global user counter.
DDV::Socket S; ///< Connection to user
/// Creates a new user from a newly connected socket.
/// Also prints "User connected" text to stdout.
user(DDV::Socket fd){
S = fd;
MyNum = UserCount++;
gotproperaudio = false;
std::cout << "User " << MyNum << " connected" << std::endl;
}//constructor
/// Disconnects the current user. Doesn't do anything if already disconnected.
/// Prints "Disconnected user" to stdout if disconnect took place.
void Disconnect(std::string reason) {
if (S.connected()) {
S.close();
std::cout << "Disconnected user " << MyNum << ": " << reason << std::endl;
}
}//Disconnect
/// Tries to send the current buffer, returns true if success, false otherwise.
/// Has a side effect of dropping the connection if send will never complete.
bool doSend(){
int r = S.iwrite((char*)lastpointer+currsend, MyBuffer_len-currsend);
if (r <= 0){
if ((r < 0) && (errno == EWOULDBLOCK)){return false;}
Disconnect("Connection closed");
return false;
}
currsend += r;
return (currsend == MyBuffer_len);
}//doSend
/// Try to send data to this user. Disconnects if any problems occur.
/// \param ringbuf Array of buffers (FLV:Tag with ID attached)
/// \param buffers Count of elements in ringbuf
void Send(buffer ** ringbuf, int buffers){
/// \todo For MP3: gotproperaudio - if false, only send if first byte is 0xFF and set to true
if (!S.connected()){return;}//cancel if not connected
//still waiting for next buffer? check it
if (MyBuffer_num < 0){
MyBuffer_num = ringbuf[MyBuffer]->number;
if (MyBuffer_num < 0){
return; //still waiting? don't crash - wait longer.
}else{
MyBuffer_len = ringbuf[MyBuffer]->FLV.len;
lastpointer = ringbuf[MyBuffer]->FLV.data;
}
}
//do check for buffer resizes
if (lastpointer != ringbuf[MyBuffer]->FLV.data){
Disconnect("Buffer resize at wrong time... had to disconnect");
return;
}else{
MyBuffer_len = ringbuf[MyBuffer]->FLV->len;
lastpointer = ringbuf[MyBuffer]->FLV->data;
}
}
if (lastpointer != ringbuf[MyBuffer]->FLV->data){
Disconnect("Buffer resize at wrong time... had to disconnect");
return;
}
if (doSend(ringbuf[MyBuffer]->FLV->data, MyBuffer_len)){
//completed a send - switch to next buffer
if ((ringbuf[MyBuffer]->number != MyBuffer_num)){
std::cout << "Warning: User " << MyNum << " was send corrupt video data and send to the next keyframe!" << std::endl;
int nocrashcount = 0;
do{
//try to complete a send
if (doSend()){
//switch to next buffer
if ((ringbuf[MyBuffer]->number != MyBuffer_num)){
//if corrupt data, warn and find keyframe
std::cout << "Warning: User " << MyNum << " was send corrupt video data and send to the next keyframe!" << std::endl;
int nocrashcount = 0;
do{
MyBuffer++;
nocrashcount++;
MyBuffer %= buffers;
}while(!ringbuf[MyBuffer]->FLV.isKeyframe && (nocrashcount < buffers));
//if keyframe not available, try again later
if (nocrashcount >= buffers){
std::cout << "Warning: No keyframe found in buffers! Skipping search for now..." << std::endl;
return;
}
}else{
MyBuffer++;
nocrashcount++;
MyBuffer %= buffers;
}while(!ringbuf[MyBuffer]->FLV->isKeyframe && (nocrashcount < buffers));
if (nocrashcount >= buffers){
std::cout << "Warning: No keyframe found in buffers! Skipping search for now..." << std::endl;
return;
}
MyBuffer_num = -1;
lastpointer = 0;
currsend = 0;
}//completed a send
}//send
};
int user::UserCount = 0;
/// Starts a loop, waiting for connections to send video data to.
int Start(int argc, char ** argv) {
//first make sure no segpipe signals will kill us
struct sigaction new_action;
new_action.sa_handler = termination_handler;
sigemptyset (&new_action.sa_mask);
new_action.sa_flags = 0;
sigaction (SIGPIPE, &new_action, NULL);
//then check and parse the commandline
if (argc < 3) {
std::cout << "usage: " << argv[0] << " buffers_count streamname" << std::endl;
return 1;
}
std::string shared_socket = "/tmp/shared_socket_";
shared_socket += argv[2];
DDV::ServerSocket SS(shared_socket, true);
FLV::Tag metadata;
FLV::Tag video_init;
FLV::Tag audio_init;
int buffers = atoi(argv[1]);
buffer ** ringbuf = (buffer**) calloc (buffers,sizeof(buffer*));
std::vector<user> users;
std::vector<user>::iterator usersIt;
for (int i = 0; i < buffers; ++i) ringbuf[i] = new buffer;
int current_buffer = 0;
int lastproper = 0;//last properly finished buffer number
unsigned int loopcount = 0;
DDV::Socket incoming;
unsigned char packtype;
bool gotVideoInfo = false;
bool gotAudioInfo = false;
int infile = fileno(stdin);//get file number for stdin
//add stdin to an epoll
int poller = epoll_create(1);
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = infile;
epoll_ctl(poller, EPOLL_CTL_ADD, infile, &ev);
struct epoll_event events[1];
while(!feof(stdin) && !FLV::Parse_Error){
//invalidate the current buffer
ringbuf[current_buffer]->number = -1;
if ((epoll_wait(poller, events, 1, 10) > 0) && ringbuf[current_buffer]->FLV.FileLoader(stdin)){
loopcount++;
packtype = ringbuf[current_buffer]->FLV.data[0];
//store metadata, if available
if (packtype == 0x12){
metadata = ringbuf[current_buffer]->FLV;
std::cout << "Received metadata!" << std::endl;
if (gotVideoInfo && gotAudioInfo){
FLV::Parse_Error = true;
std::cout << "... after proper video and audio? Cancelling broadcast!" << std::endl;
}
gotVideoInfo = false;
gotAudioInfo = false;
}
//store video init data, if available
if (!gotVideoInfo && ringbuf[current_buffer]->FLV.isKeyframe){
if ((ringbuf[current_buffer]->FLV.data[11] & 0x0f) == 7){//avc packet
if (ringbuf[current_buffer]->FLV.data[12] == 0){
ringbuf[current_buffer]->FLV.tagTime(0);//timestamp to zero
video_init = ringbuf[current_buffer]->FLV;
gotVideoInfo = true;
std::cout << "Received video configuration!" << std::endl;
}
}else{gotVideoInfo = true;}//non-avc = no config...
}
//store audio init data, if available
if (!gotAudioInfo && (packtype == 0x08)){
if (((ringbuf[current_buffer]->FLV.data[11] & 0xf0) >> 4) == 10){//aac packet
ringbuf[current_buffer]->FLV.tagTime(0);//timestamp to zero
audio_init = ringbuf[current_buffer]->FLV;
gotAudioInfo = true;
std::cout << "Received audio configuration!" << std::endl;
}else{gotAudioInfo = true;}//no aac = no config...
}
//on keyframe set possible start point
if (packtype == 0x09){
if (((ringbuf[current_buffer]->FLV.data[11] & 0xf0) >> 4) == 1){
lastproper = current_buffer;
}
}
//keep track of buffers
ringbuf[current_buffer]->number = loopcount;
current_buffer++;
current_buffer %= buffers;
}
//check for new connections, accept them if there are any
incoming = SS.accept(true);
if (incoming.connected()){
users.push_back(incoming);
//send the FLV header
users.back().currsend = 0;
users.back().MyBuffer = lastproper;
users.back().MyBuffer_num = -1;
/// \todo Do this more nicely?
if (!users.back().S.write(FLV::Header, 13)){
users.back().Disconnect("failed to receive the header!");
}else{
MyBuffer++;
MyBuffer %= buffers;
}
MyBuffer_num = -1;
lastpointer = 0;
currsend = 0;
}//completed a send
}//send
};
int user::UserCount = 0;
int main( int argc, char * argv[] ) {
struct sigaction new_action;
new_action.sa_handler = termination_handler;
sigemptyset (&new_action.sa_mask);
new_action.sa_flags = 0;
sigaction (SIGPIPE, &new_action, NULL);
if (argc < 2) {
std::cout << "usage: " << argv[0] << " buffers_count [streamname]" << std::endl;
return 1;
}
std::string shared_socket = "/tmp/shared_socket";
if (argc > 2){
shared_socket = argv[2];
shared_socket = "/tmp/shared_socket_" + shared_socket;
}
int metabuflen = 0;
char * metabuffer = 0;
int buffers = atoi(argv[1]);
buffer ** ringbuf = (buffer**) calloc (buffers,sizeof(buffer*));
std::vector<user> users;
std::vector<user>::iterator usersIt;
for (int i = 0; i < buffers; ++i) ringbuf[i] = new buffer;
int current_buffer = 0;
int lastproper = 0;//last properly finished buffer number
unsigned int loopcount = 0;
int listener = DDV_UnixListen(shared_socket, true);
int incoming = 0;
unsigned char packtype;
bool gotVideoInfo = false;
bool gotAudioInfo = false;
int infile = fileno(stdin);
int poller = epoll_create(1);
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = infile;
epoll_ctl(poller, EPOLL_CTL_ADD, infile, &ev);
struct epoll_event events[1];
while(!feof(stdin) && !All_Hell_Broke_Loose){
//invalidate the current buffer
ringbuf[current_buffer]->number = -1;
if ((epoll_wait(poller, events, 1, 10) > 0) && FLV_GetPacket(ringbuf[current_buffer]->FLV)){
loopcount++;
packtype = ringbuf[current_buffer]->FLV->data[0];
//store metadata, if available
if (packtype == 0x12){
metabuflen = ringbuf[current_buffer]->FLV->len;
metabuffer = (char*)realloc(metabuffer, metabuflen);
memcpy(metabuffer, ringbuf[current_buffer]->FLV->data, metabuflen);
std::cout << "Received metadata!" << std::endl;
if (gotVideoInfo && gotAudioInfo){
All_Hell_Broke_Loose = true;
std::cout << "... after proper video and audio? Cancelling broadcast!" << std::endl;
}
gotVideoInfo = false;
gotAudioInfo = false;
}
if (!gotVideoInfo && ringbuf[current_buffer]->FLV->isKeyframe){
if ((ringbuf[current_buffer]->FLV->data[11] & 0x0f) == 7){//avc packet
if (ringbuf[current_buffer]->FLV->data[12] == 0){
ringbuf[current_buffer]->FLV->data[4] = 0;//timestamp to zero
ringbuf[current_buffer]->FLV->data[5] = 0;//timestamp to zero
ringbuf[current_buffer]->FLV->data[6] = 0;//timestamp to zero
metabuffer = (char*)realloc(metabuffer, metabuflen + ringbuf[current_buffer]->FLV->len);
memcpy(metabuffer+metabuflen, ringbuf[current_buffer]->FLV->data, ringbuf[current_buffer]->FLV->len);
metabuflen += ringbuf[current_buffer]->FLV->len;
gotVideoInfo = true;
std::cout << "Received video configuration!" << std::endl;
if (!users.back().S.write(metadata.data, metadata.len)){
users.back().Disconnect("failed to receive metadata!");
}
if (!users.back().S.write(video_init.data, video_init.len)){
users.back().Disconnect("failed to receive video init!");
}
if (!users.back().S.write(audio_init.data, audio_init.len)){
users.back().Disconnect("failed to receive audio init!");
}
}else{gotVideoInfo = true;}//non-avc = no config...
}
if (!gotAudioInfo && (packtype == 0x08)){
if (((ringbuf[current_buffer]->FLV->data[11] & 0xf0) >> 4) == 10){//aac packet
ringbuf[current_buffer]->FLV->data[4] = 0;//timestamp to zero
ringbuf[current_buffer]->FLV->data[5] = 0;//timestamp to zero
ringbuf[current_buffer]->FLV->data[6] = 0;//timestamp to zero
metabuffer = (char*)realloc(metabuffer, metabuflen + ringbuf[current_buffer]->FLV->len);
memcpy(metabuffer+metabuflen, ringbuf[current_buffer]->FLV->data, ringbuf[current_buffer]->FLV->len);
metabuflen += ringbuf[current_buffer]->FLV->len;
gotAudioInfo = true;
std::cout << "Received audio configuration!" << std::endl;
}else{gotAudioInfo = true;}//no aac = no config...
}
//on keyframe set start point
if (packtype == 0x09){
if (((ringbuf[current_buffer]->FLV->data[11] & 0xf0) >> 4) == 1){
lastproper = current_buffer;
}
}
//keep track of buffers
ringbuf[current_buffer]->number = loopcount;
current_buffer++;
current_buffer %= buffers;
}
//check for new connections, accept them if there are any
incoming = DDV_Accept(listener, true);
if (incoming >= 0){
users.push_back(incoming);
//send the FLV header
users.back().currsend = 0;
users.back().MyBuffer = lastproper;
users.back().MyBuffer_num = -1;
//TODO: Do this more nicely?
if (!DDV_write(FLVHeader, 13, incoming)){
users.back().Disconnect("failed to receive the header!");
}else{
if (!DDV_write(metabuffer, metabuflen, incoming)){
users.back().Disconnect("failed to receive metadata!");
//send all connections what they need, if and when they need it
if (users.size() > 0){
for (usersIt = users.begin(); usersIt != users.end(); usersIt++){
if (!(*usersIt).S.connected()){
users.erase(usersIt); break;
}else{
(*usersIt).Send(ringbuf, buffers);
}
}
}
}//main loop
// disconnect listener
if (FLV::Parse_Error){
std::cout << "FLV parse error" << std::endl;
}else{
std::cout << "Reached EOF of input" << std::endl;
}
//send all connections what they need, if and when they need it
if (users.size() > 0){
SS.close();
while (users.size() > 0){
for (usersIt = users.begin(); usersIt != users.end(); usersIt++){
if ((*usersIt).s == -1){
users.erase(usersIt); break;
}else{
(*usersIt).Send(ringbuf, buffers);
}
(*usersIt).Disconnect("Shutting down...");
if (!(*usersIt).S.connected()){users.erase(usersIt);break;}
}
}
}//main loop
// disconnect listener
std::cout << "Reached EOF of input" << std::endl;
close(listener);
while (users.size() > 0){
for (usersIt = users.begin(); usersIt != users.end(); usersIt++){
(*usersIt).Disconnect("Shutting down...");
if ((*usersIt).s == -1){users.erase(usersIt);break;}
}
return 0;
}
return 0;
}
};//Buffer namespace
/// Entry point for Buffer, simply calls Buffer::Start().
int main(int argc, char ** argv){
Buffer::Start(argc, argv);
}//main

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@ -1,10 +1,10 @@
#!/bin/sh
#
# description: DDVTech HTTP Connector
# processname: Connector_HTTP
# processname: DDV_Conn_HTTP
prog="Connector_HTTP"
fullprog="/usr/bin/Connector_HTTP"
prog="DDV_Conn_HTTP"
fullprog="/usr/bin/DDV_Conn_HTTP"
RETVAL=0
start() {

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@ -1,8 +1,10 @@
SRC = main.cpp
SRC = main.cpp ../util/ddv_socket.cpp ../util/http_parser.cpp ../util/flv_tag.cpp ../util/amf.cpp
OBJ = $(SRC:.cpp=.o)
OUT = Connector_HTTP
OUT = DDV_Conn_HTTP
INCLUDES =
CCFLAGS = -Wall -Wextra -funsigned-char -g
DEBUG = 4
OPTIMIZE = -g
CCFLAGS = -Wall -Wextra -funsigned-char $(OPTIMIZE) -DDEBUG=$(DEBUG)
CC = $(CROSS)g++
LD = $(CROSS)ld
AR = $(CROSS)ar

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@ -1 +0,0 @@
../util/amf.cpp

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@ -1,9 +1,5 @@
//debugging level 0 = nothing
//debugging level 1 = critical errors
//debugging level 2 = errors
//debugging level 3 = status information
//debugging level 4 = extremely verbose status information
#define DEBUG 4
/// \file Connector_HTTP/main.cpp
/// Contains the main code for the HTTP Connector
#include <iostream>
#include <queue>
@ -16,325 +12,342 @@
#include <sys/epoll.h>
#include <getopt.h>
#include <ctime>
enum {HANDLER_NONE, HANDLER_PROGRESSIVE, HANDLER_FLASH, HANDLER_APPLE, HANDLER_MICRO};
#define DEFAULT_PORT 8080
#include "../util/server_setup.cpp"
#include "../util/http_parser.cpp"
#include "../util/ddv_socket.h"
#include "../util/http_parser.h"
#include "../util/flv_tag.h"
#include "../util/MP4/interface.cpp"
#include "amf.cpp"
#include "../util/amf.h"
static const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
std::string base64_encode(std::string const input) {
std::string ret;
unsigned int in_len = input.size();
char quad[4], triple[3];
unsigned int i, x, n = 3;
for (x = 0; x < in_len; x = x + 3){
if ((in_len - x) / 3 == 0){n = (in_len - x) % 3;}
for (i=0; i < 3; i++){triple[i] = '0';}
for (i=0; i < n; i++){triple[i] = input[x + i];}
quad[0] = base64_chars[(triple[0] & 0xFC) >> 2]; // FC = 11111100
quad[1] = base64_chars[((triple[0] & 0x03) << 4) | ((triple[1] & 0xF0) >> 4)]; // 03 = 11
quad[2] = base64_chars[((triple[1] & 0x0F) << 2) | ((triple[2] & 0xC0) >> 6)]; // 0F = 1111, C0=11110
quad[3] = base64_chars[triple[2] & 0x3F]; // 3F = 111111
if (n < 3){quad[3] = '=';}
if (n < 2){quad[2] = '=';}
for(i=0; i < 4; i++){ret += quad[i];}
}
return ret;
}//base64_encode
/// Holds everything unique to HTTP Connector.
namespace Connector_HTTP{
std::string GetMetaData( ) {
AMFType amfreply("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("onMetaData",(unsigned char)AMF0_STRING));
amfreply.addContent(AMFType("",(unsigned char)AMF0_ECMA_ARRAY));
amfreply.getContentP(1)->addContent(AMFType("trackinfo", (unsigned char)AMF0_STRICT_ARRAY));
amfreply.getContentP(1)->getContentP(0)->addContent(AMFType("arrVal"));
// amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMFType("timescale",(double)1000));
// amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMFType("length",(double)59641700));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMFType("language","eng"));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMFType("sampledescription", (unsigned char)AMF0_STRICT_ARRAY));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->getContentP(1)->addContent(AMFType("arrVal"));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->getContentP(1)->getContentP(0)->addContent(AMFType("sampletype","avc1"));
amfreply.getContentP(1)->getContentP(0)->addContent(AMFType("arrVal"));
// amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMFType("timescale",(double)44100));
// amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMFType("length",(double)28630000));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMFType("language","eng"));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMFType("sampledescription", (unsigned char)AMF0_STRICT_ARRAY));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->getContentP(1)->addContent(AMFType("arrVal"));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->getContentP(1)->getContentP(0)->addContent(AMFType("sampletype","mp4a"));
amfreply.getContentP(1)->addContent(AMFType("audiochannels",(double)2));
amfreply.getContentP(1)->addContent(AMFType("audiosamplerate",(double)44100));
amfreply.getContentP(1)->addContent(AMFType("videoframerate",(double)25));
amfreply.getContentP(1)->addContent(AMFType("aacaot",(double)2));
amfreply.getContentP(1)->addContent(AMFType("avclevel",(double)12));
amfreply.getContentP(1)->addContent(AMFType("avcprofile",(double)77));
amfreply.getContentP(1)->addContent(AMFType("audiocodecid","mp4a"));
amfreply.getContentP(1)->addContent(AMFType("videocodecid","avc1"));
amfreply.getContentP(1)->addContent(AMFType("width",(double)1280));
amfreply.getContentP(1)->addContent(AMFType("height",(double)720));
amfreply.getContentP(1)->addContent(AMFType("frameWidth",(double)1280));
amfreply.getContentP(1)->addContent(AMFType("frameHeight",(double)720));
amfreply.getContentP(1)->addContent(AMFType("displayWidth",(double)1280));
amfreply.getContentP(1)->addContent(AMFType("displayHeight",(double)720));
// amfreply.getContentP(1)->addContent(AMFType("moovposition",(double)35506700));
// amfreply.getContentP(1)->addContent(AMFType("duration",(double)596.458));
return amfreply.Pack( );
}
/// Defines the type of handler used to process this request.
enum {HANDLER_NONE, HANDLER_PROGRESSIVE, HANDLER_FLASH, HANDLER_APPLE, HANDLER_MICRO};
std::string BuildManifest( std::string MetaData, std::string MovieId, int CurrentMediaTime ) {
Interface * temp = new Interface;
std::string Result="<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<manifest xmlns=\"http://ns.adobe.com/f4m/1.0\">\n";
Result += "<id>";
Result += MovieId;
Result += "</id>\n<mimeType>video/mp4</mimeType>\n";
Result += "<streamType>live</streamType>\n";
Result += "<deliveryType>streaming</deliveryType>\n";
Result += "<bootstrapInfo profile=\"named\" id=\"bootstrap1\">";
Result += base64_encode(temp->GenerateLiveBootstrap(1));
Result += "</bootstrapInfo>\n";
Result += "<media streamId=\"1\" bootstrapInfoId=\"bootstrap1\" url=\"";
Result += MovieId;
Result += "/\">\n";
Result += "<metadata>";
Result += base64_encode(GetMetaData());
Result += "</metadata>\n";
Result += "</media>\n";
Result += "</manifest>\n";
delete temp;
return Result;
}
/// Needed for base64_encode function
static const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
int mainHandler(int CONN_fd){
// GetMetaData( ); return 0;
int handler = HANDLER_PROGRESSIVE;
bool ready4data = false;//set to true when streaming starts
bool inited = false;
bool progressive_has_sent_header = false;
int ss;
std::string streamname;
std::string FlashBuf;
std::string FlashMeta;
bool Flash_ManifestSent = false;
int Flash_RequestPending = 0;
unsigned int Flash_StartTime;
std::queue<std::string> Flash_FragBuffer;
FLV_Pack * tag = 0;
FLV_Pack Audio_Init;
FLV_Pack Video_Init;
bool FlashFirstVideo = false;
bool FlashFirstAudio = false;
HTTPReader HTTP_R, HTTP_S;//HTTP Receiver en HTTP Sender.
/// Used to base64 encode data. Input is the plaintext as std::string, output is the encoded data as std::string.
/// \param input Plaintext data to encode.
/// \returns Base64 encoded data.
std::string base64_encode(std::string const input) {
std::string ret;
unsigned int in_len = input.size();
char quad[4], triple[3];
unsigned int i, x, n = 3;
for (x = 0; x < in_len; x = x + 3){
if ((in_len - x) / 3 == 0){n = (in_len - x) % 3;}
for (i=0; i < 3; i++){triple[i] = '0';}
for (i=0; i < n; i++){triple[i] = input[x + i];}
quad[0] = base64_chars[(triple[0] & 0xFC) >> 2]; // FC = 11111100
quad[1] = base64_chars[((triple[0] & 0x03) << 4) | ((triple[1] & 0xF0) >> 4)]; // 03 = 11
quad[2] = base64_chars[((triple[1] & 0x0F) << 2) | ((triple[2] & 0xC0) >> 6)]; // 0F = 1111, C0=11110
quad[3] = base64_chars[triple[2] & 0x3F]; // 3F = 111111
if (n < 3){quad[3] = '=';}
if (n < 2){quad[2] = '=';}
for(i=0; i < 4; i++){ret += quad[i];}
}
return ret;
}//base64_encode
int retval;
int poller = epoll_create(1);
int sspoller = epoll_create(1);
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = CONN_fd;
epoll_ctl(poller, EPOLL_CTL_ADD, CONN_fd, &ev);
struct epoll_event events[1];
/// Returns AMF-format metadata for Adobe HTTP Dynamic Streaming.
std::string GetMetaData( ) {
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("onMetaData",AMF::AMF0_STRING));
amfreply.addContent(AMF::Object("",AMF::AMF0_ECMA_ARRAY));
amfreply.getContentP(1)->addContent(AMF::Object("trackinfo", AMF::AMF0_STRICT_ARRAY));
amfreply.getContentP(1)->getContentP(0)->addContent(AMF::Object("arrVal"));
//amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMF::Object("timescale",(double)1000));
//amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMF::Object("length",(double)59641700));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMF::Object("language","eng"));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->addContent(AMF::Object("sampledescription", AMF::AMF0_STRICT_ARRAY));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->getContentP(1)->addContent(AMF::Object("arrVal"));
amfreply.getContentP(1)->getContentP(0)->getContentP(0)->getContentP(1)->getContentP(0)->addContent(AMF::Object("sampletype","avc1"));
amfreply.getContentP(1)->getContentP(0)->addContent(AMF::Object("arrVal"));
//amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMF::Object("timescale",(double)44100));
//amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMF::Object("length",(double)28630000));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMF::Object("language","eng"));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->addContent(AMF::Object("sampledescription", AMF::AMF0_STRICT_ARRAY));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->getContentP(1)->addContent(AMF::Object("arrVal"));
amfreply.getContentP(1)->getContentP(0)->getContentP(1)->getContentP(1)->getContentP(0)->addContent(AMF::Object("sampletype","mp4a"));
amfreply.getContentP(1)->addContent(AMF::Object("audiochannels",(double)2));
amfreply.getContentP(1)->addContent(AMF::Object("audiosamplerate",(double)44100));
amfreply.getContentP(1)->addContent(AMF::Object("videoframerate",(double)25));
amfreply.getContentP(1)->addContent(AMF::Object("aacaot",(double)2));
amfreply.getContentP(1)->addContent(AMF::Object("avclevel",(double)12));
amfreply.getContentP(1)->addContent(AMF::Object("avcprofile",(double)77));
amfreply.getContentP(1)->addContent(AMF::Object("audiocodecid","mp4a"));
amfreply.getContentP(1)->addContent(AMF::Object("videocodecid","avc1"));
amfreply.getContentP(1)->addContent(AMF::Object("width",(double)1280));
amfreply.getContentP(1)->addContent(AMF::Object("height",(double)720));
amfreply.getContentP(1)->addContent(AMF::Object("frameWidth",(double)1280));
amfreply.getContentP(1)->addContent(AMF::Object("frameHeight",(double)720));
amfreply.getContentP(1)->addContent(AMF::Object("displayWidth",(double)1280));
amfreply.getContentP(1)->addContent(AMF::Object("displayHeight",(double)720));
//amfreply.getContentP(1)->addContent(AMF::Object("moovposition",(double)35506700));
//amfreply.getContentP(1)->addContent(AMF::Object("duration",(double)596.458));
return amfreply.Pack( );
}//getMetaData
std::string Movie = "";
std::string Quality = "";
int Segment = -1;
int ReqFragment = -1;
int temp;
//int CurrentFragment = -1; later herbruiken?
/// Returns a F4M-format manifest file for Adobe HTTP Dynamic Streaming.
std::string BuildManifest( std::string MetaData, std::string MovieId, int CurrentMediaTime ) {
Interface * temp = new Interface;
std::string Result="<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<manifest xmlns=\"http://ns.adobe.com/f4m/1.0\">\n";
Result += "<id>";
Result += MovieId;
Result += "</id>\n<mimeType>video/mp4</mimeType>\n";
Result += "<streamType>live</streamType>\n";
Result += "<deliveryType>streaming</deliveryType>\n";
Result += "<bootstrapInfo profile=\"named\" id=\"bootstrap1\">";
Result += base64_encode(temp->GenerateLiveBootstrap(1));
Result += "</bootstrapInfo>\n";
Result += "<media streamId=\"1\" bootstrapInfoId=\"bootstrap1\" url=\"";
Result += MovieId;
Result += "/\">\n";
Result += "<metadata>";
Result += base64_encode(GetMetaData());
Result += "</metadata>\n";
Result += "</media>\n";
Result += "</manifest>\n";
delete temp;
return Result;
}//BuildManifest
while (!socketError && !All_Hell_Broke_Loose){
//only parse input if available or not yet init'ed
if (HTTP_R.ReadSocket(CONN_fd)){
handler = HANDLER_PROGRESSIVE;
if ((HTTP_R.url.find("Seg") != std::string::npos) && (HTTP_R.url.find("Frag") != std::string::npos)){handler = HANDLER_FLASH;}
if (HTTP_R.url.find("f4m") != std::string::npos){handler = HANDLER_FLASH;}
if (HTTP_R.url == "/crossdomain.xml"){
handler = HANDLER_NONE;
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type", "text/xml");
HTTP_S.SetBody("<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy SYSTEM \"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd\"><cross-domain-policy><allow-access-from domain=\"*\" /><site-control permitted-cross-domain-policies=\"all\"/></cross-domain-policy>");
HTTP_S.SendResponse(CONN_fd, "200", "OK");//geen SetBody = unknown length! Dat willen we hier.
#if DEBUG >= 3
printf("Sending crossdomain.xml file\n");
#endif
}
if(handler == HANDLER_FLASH){
if (HTTP_R.url.find("f4m") == std::string::npos){
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
Quality = HTTP_R.url.substr( HTTP_R.url.find("/",1)+1 );
Quality = Quality.substr(0, Quality.find("Seg"));
temp = HTTP_R.url.find("Seg") + 3;
Segment = atoi( HTTP_R.url.substr(temp,HTTP_R.url.find("-",temp)-temp).c_str());
temp = HTTP_R.url.find("Frag") + 4;
ReqFragment = atoi( HTTP_R.url.substr(temp).c_str() );
#if DEBUG >= 4
printf( "URL: %s\n", HTTP_R.url.c_str());
printf( "Movie: %s, Quality: %s, Seg %d Frag %d\n", Movie.c_str(), Quality.c_str(), Segment, ReqFragment);
/// Main function for Connector_HTTP
int Connector_HTTP(DDV::Socket conn){
int handler = HANDLER_PROGRESSIVE;///< The handler used for processing this request.
bool ready4data = false;///< Set to true when streaming is to begin.
bool inited = false;
bool progressive_has_sent_header = false;
DDV::Socket ss(-1);
std::string streamname;
std::string FlashBuf;
std::string FlashMeta;
bool Flash_ManifestSent = false;
int Flash_RequestPending = 0;
unsigned int Flash_StartTime;
std::queue<std::string> Flash_FragBuffer;
FLV::Tag tag;///< Temporary tag buffer for incoming video data.
FLV::Tag Audio_Init;///< Audio initialization data, if available.
FLV::Tag Video_Init;///< Video initialization data, if available.
bool FlashFirstVideo = false;
bool FlashFirstAudio = false;
HTTP::Parser HTTP_R, HTTP_S;//HTTP Receiver en HTTP Sender.
int retval;
int poller = epoll_create(1);
int sspoller = epoll_create(1);
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = conn.getSocket();
epoll_ctl(poller, EPOLL_CTL_ADD, conn.getSocket(), &ev);
struct epoll_event events[1];
std::string Movie = "";
std::string Quality = "";
int Segment = -1;
int ReqFragment = -1;
int temp;
//int CurrentFragment = -1; later herbruiken?
while (conn.connected() && !FLV::Parse_Error){
//only parse input if available or not yet init'ed
if (HTTP_R.Read(conn, ready4data)){
handler = HANDLER_PROGRESSIVE;
if ((HTTP_R.url.find("Seg") != std::string::npos) && (HTTP_R.url.find("Frag") != std::string::npos)){handler = HANDLER_FLASH;}
if (HTTP_R.url.find("f4m") != std::string::npos){handler = HANDLER_FLASH;}
if (HTTP_R.url == "/crossdomain.xml"){
handler = HANDLER_NONE;
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type", "text/xml");
HTTP_S.SetBody("<?xml version=\"1.0\"?><!DOCTYPE cross-domain-policy SYSTEM \"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd\"><cross-domain-policy><allow-access-from domain=\"*\" /><site-control permitted-cross-domain-policies=\"all\"/></cross-domain-policy>");
HTTP_S.SendResponse(conn, "200", "OK");//geen SetBody = unknown length! Dat willen we hier.
#if DEBUG >= 3
printf("Sending crossdomain.xml file\n");
#endif
Flash_RequestPending++;
}else{
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
}
streamname = "/tmp/shared_socket_";
for (std::string::iterator i=Movie.end()-1; i>=Movie.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){
Movie.erase(i);
if (handler == HANDLER_FLASH){
if (HTTP_R.url.find("f4m") == std::string::npos){
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
Quality = HTTP_R.url.substr( HTTP_R.url.find("/",1)+1 );
Quality = Quality.substr(0, Quality.find("Seg"));
temp = HTTP_R.url.find("Seg") + 3;
Segment = atoi( HTTP_R.url.substr(temp,HTTP_R.url.find("-",temp)-temp).c_str());
temp = HTTP_R.url.find("Frag") + 4;
ReqFragment = atoi( HTTP_R.url.substr(temp).c_str() );
#if DEBUG >= 4
printf( "URL: %s\n", HTTP_R.url.c_str());
printf( "Movie: %s, Quality: %s, Seg %d Frag %d\n", Movie.c_str(), Quality.c_str(), Segment, ReqFragment);
#endif
Flash_RequestPending++;
}else{
*i=tolower(*i);
}//strip nonalphanumeric
}
streamname += Movie;
ready4data = true;
}//FLASH handler
if (handler == HANDLER_PROGRESSIVE){
//in het geval progressive nemen we aan dat de URL de streamname is, met .flv erachter
streamname = HTTP_R.url.substr(0, HTTP_R.url.size()-4);//strip de .flv
for (std::string::iterator i=streamname.end()-1; i>=streamname.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){streamname.erase(i);}else{*i=tolower(*i);}//strip nonalphanumeric
}
streamname = "/tmp/shared_socket_" + streamname;//dit is dan onze shared_socket
//normaal zouden we ook een position uitlezen uit de URL, maar bij LIVE streams is dat zinloos
printf("Streamname: %s\n", streamname.c_str());
ready4data = true;
}//PROGRESSIVE handler
HTTP_R.CleanForNext(); //maak schoon na verwerken voor eventuele volgende requests...
}
if (ready4data){
if (!inited){
//we are ready, connect the socket!
ss = DDV_OpenUnix(streamname);
if (ss <= 0){
#if DEBUG >= 1
fprintf(stderr, "Could not connect to server!\n");
#endif
socketError = 1;
break;
}
ev.events = EPOLLIN;
ev.data.fd = ss;
epoll_ctl(sspoller, EPOLL_CTL_ADD, ss, &ev);
#if DEBUG >= 3
fprintf(stderr, "Everything connected, starting to send video data...\n");
#endif
inited = true;
}
if ((Flash_RequestPending > 0) && !Flash_FragBuffer.empty()){
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type","video/mp4");
HTTP_S.SetBody(Interface::mdatFold(Flash_FragBuffer.front()));
Flash_FragBuffer.pop();
HTTP_S.SendResponse(CONN_fd, "200", "OK");//schrijf de HTTP response header
Flash_RequestPending--;
#if DEBUG >= 3
fprintf(stderr, "Sending a video fragment. %i left in buffer, %i requested\n", (int)Flash_FragBuffer.size(), Flash_RequestPending);
#endif
}
retval = epoll_wait(sspoller, events, 1, 1);
switch (DDV_ready(ss)){
case 0:
socketError = true;
#if DEBUG >= 1
fprintf(stderr, "Source socket is disconnected.\n");
#endif
break;
case -1: break;//not ready yet
default:
if (FLV_GetPacket(tag, ss)){//able to read a full packet?f
if (handler == HANDLER_FLASH){
if (tag->tagTime() > 0){
if (Flash_StartTime == 0){
Flash_StartTime = tag->tagTime();
}
tag->tagTime(tag->tagTime() - Flash_StartTime);
}
if (tag->data[0] != 0x12 ) {
if ((tag->isKeyframe) && (Video_Init.len == 0)){
if (((tag->data[11] & 0x0f) == 7) && (tag->data[12] == 0)){
tag->tagTime(0);//timestamp to zero
Video_Init = *tag;
}
}
if ((tag->data[0] == 0x08) && (Audio_Init.len == 0)){
if (((tag->data[11] & 0xf0) >> 4) == 10){//aac packet
tag->tagTime(0);//timestamp to zero
Audio_Init = *tag;
}
}
if (tag->isKeyframe){
if (FlashBuf != ""){
Flash_FragBuffer.push(FlashBuf);
#if DEBUG >= 4
fprintf(stderr, "Received a fragment. Now %i in buffer.\n", (int)Flash_FragBuffer.size());
#endif
}
FlashBuf.clear();
FlashFirstVideo = true;
FlashFirstAudio = true;
}
if (FlashFirstVideo && (tag->data[0] == 0x09) && (Video_Init.len > 0)){
Video_Init.tagTime(tag->tagTime());
FlashBuf.append(Video_Init.data, Video_Init.len);
FlashFirstVideo = false;
}
if (FlashFirstAudio && (tag->data[0] == 0x08) && (Audio_Init.len > 0)){
Audio_Init.tagTime(tag->tagTime());
FlashBuf.append(Audio_Init.data, Audio_Init.len);
FlashFirstAudio = false;
}
#if DEBUG >= 5
fprintf(stderr, "Received a tag of type %2hhu and length %i\n", tag->data[0], tag->len);
#endif
FlashBuf.append(tag->data,tag->len);
} else {
FlashMeta = "";
FlashMeta.append(tag->data+11,tag->len-15);
if( !Flash_ManifestSent ) {
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type","text/xml");
HTTP_S.SetHeader("Cache-Control","no-cache");
HTTP_S.SetBody(BuildManifest(FlashMeta, Movie, tag->tagTime()));
HTTP_S.SendResponse(CONN_fd, "200", "OK");
}
}
}
if (handler == HANDLER_PROGRESSIVE){
if (!progressive_has_sent_header){
HTTP_S.Clean();//troep opruimen die misschien aanwezig is...
HTTP_S.SetHeader("Content-Type", "video/x-flv");//FLV files hebben altijd dit content-type.
//HTTP_S.SetHeader("Transfer-Encoding", "chunked");
HTTP_S.protocol = "HTTP/1.0";
HTTP_S.SendResponse(CONN_fd, "200", "OK");//geen SetBody = unknown length! Dat willen we hier.
//HTTP_S.SendBodyPart(CONN_fd, FLVHeader, 13);//schrijf de FLV header
DDV_write(FLVHeader, 13, CONN_fd);
progressive_has_sent_header = true;
}
//HTTP_S.SendBodyPart(CONN_fd, tag->data, tag->len);//schrijf deze FLV tag onbewerkt weg
DDV_write(tag->data, tag->len, CONN_fd);
}//PROGRESSIVE handler
Movie = HTTP_R.url.substr(1);
Movie = Movie.substr(0,Movie.find("/"));
}
break;
streamname = "/tmp/shared_socket_";
for (std::string::iterator i=Movie.end()-1; i>=Movie.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){
Movie.erase(i);
}else{
*i=tolower(*i);
}//strip nonalphanumeric
}
streamname += Movie;
ready4data = true;
}//FLASH handler
if (handler == HANDLER_PROGRESSIVE){
//in het geval progressive nemen we aan dat de URL de streamname is, met .flv erachter
streamname = HTTP_R.url.substr(0, HTTP_R.url.size()-4);//strip de .flv
for (std::string::iterator i=streamname.end()-1; i>=streamname.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){streamname.erase(i);}else{*i=tolower(*i);}//strip nonalphanumeric
}
streamname = "/tmp/shared_socket_" + streamname;//dit is dan onze shared_socket
//normaal zouden we ook een position uitlezen uit de URL, maar bij LIVE streams is dat zinloos
printf("Streamname: %s\n", streamname.c_str());
ready4data = true;
}//PROGRESSIVE handler
HTTP_R.CleanForNext(); //maak schoon na verwerken voor eventuele volgende requests...
}
if (ready4data){
if (!inited){
//we are ready, connect the socket!
ss = DDV::Socket(streamname);
if (!ss.connected()){
#if DEBUG >= 1
fprintf(stderr, "Could not connect to server!\n");
#endif
conn.close();
break;
}
ev.events = EPOLLIN;
ev.data.fd = ss.getSocket();
epoll_ctl(sspoller, EPOLL_CTL_ADD, ss.getSocket(), &ev);
#if DEBUG >= 3
fprintf(stderr, "Everything connected, starting to send video data...\n");
#endif
inited = true;
}
if ((Flash_RequestPending > 0) && !Flash_FragBuffer.empty()){
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type","video/mp4");
HTTP_S.SetBody(Interface::mdatFold(Flash_FragBuffer.front()));
Flash_FragBuffer.pop();
HTTP_S.SendResponse(conn, "200", "OK");//schrijf de HTTP response header
Flash_RequestPending--;
#if DEBUG >= 3
fprintf(stderr, "Sending a video fragment. %i left in buffer, %i requested\n", (int)Flash_FragBuffer.size(), Flash_RequestPending);
#endif
}
retval = epoll_wait(sspoller, events, 1, 1);
switch (ss.ready()){
case -1:
conn.close();
#if DEBUG >= 1
fprintf(stderr, "Source socket is disconnected.\n");
#endif
break;
case 0: break;//not ready yet
default:
if (tag.SockLoader(ss)){//able to read a full packet?f
if (handler == HANDLER_FLASH){
if (tag.tagTime() > 0){
if (Flash_StartTime == 0){
Flash_StartTime = tag.tagTime();
}
tag.tagTime(tag.tagTime() - Flash_StartTime);
}
if (tag.data[0] != 0x12 ) {
if ((tag.isKeyframe) && (Video_Init.len == 0)){
if (((tag.data[11] & 0x0f) == 7) && (tag.data[12] == 0)){
tag.tagTime(0);//timestamp to zero
Video_Init = tag;
}
}
if ((tag.data[0] == 0x08) && (Audio_Init.len == 0)){
if (((tag.data[11] & 0xf0) >> 4) == 10){//aac packet
tag.tagTime(0);//timestamp to zero
Audio_Init = tag;
}
}
if (tag.isKeyframe){
if (FlashBuf != ""){
Flash_FragBuffer.push(FlashBuf);
#if DEBUG >= 4
fprintf(stderr, "Received a fragment. Now %i in buffer.\n", (int)Flash_FragBuffer.size());
#endif
}
FlashBuf.clear();
FlashFirstVideo = true;
FlashFirstAudio = true;
}
if (FlashFirstVideo && (tag.data[0] == 0x09) && (Video_Init.len > 0)){
Video_Init.tagTime(tag.tagTime());
FlashBuf.append(Video_Init.data, Video_Init.len);
FlashFirstVideo = false;
}
if (FlashFirstAudio && (tag.data[0] == 0x08) && (Audio_Init.len > 0)){
Audio_Init.tagTime(tag.tagTime());
FlashBuf.append(Audio_Init.data, Audio_Init.len);
FlashFirstAudio = false;
}
#if DEBUG >= 5
fprintf(stderr, "Received a tag of type %2hhu and length %i\n", tag.data[0], tag.len);
#endif
FlashBuf.append(tag.data,tag.len);
} else {
FlashMeta = "";
FlashMeta.append(tag.data+11,tag.len-15);
if( !Flash_ManifestSent ) {
HTTP_S.Clean();
HTTP_S.SetHeader("Content-Type","text/xml");
HTTP_S.SetHeader("Cache-Control","no-cache");
HTTP_S.SetBody(BuildManifest(FlashMeta, Movie, tag.tagTime()));
HTTP_S.SendResponse(conn, "200", "OK");
}
}
}
if (handler == HANDLER_PROGRESSIVE){
if (!progressive_has_sent_header){
HTTP_S.Clean();//troep opruimen die misschien aanwezig is...
HTTP_S.SetHeader("Content-Type", "video/x-flv");//FLV files hebben altijd dit content-type.
//HTTP_S.SetHeader("Transfer-Encoding", "chunked");
HTTP_S.protocol = "HTTP/1.0";
HTTP_S.SendResponse(conn, "200", "OK");//geen SetBody = unknown length! Dat willen we hier.
//HTTP_S.SendBodyPart(CONN_fd, FLVHeader, 13);//schrijf de FLV header
conn.write(FLV::Header, 13);
progressive_has_sent_header = true;
}
//HTTP_S.SendBodyPart(CONN_fd, tag->data, tag->len);//schrijf deze FLV tag onbewerkt weg
conn.write(tag.data, tag.len);
}//PROGRESSIVE handler
}
break;
}
}
}
}
close(CONN_fd);
if (inited) close(ss);
#if DEBUG >= 1
if (All_Hell_Broke_Loose){fprintf(stderr, "All Hell Broke Loose\n");}
fprintf(stderr, "User %i disconnected.\n", CONN_fd);
if (inited){
fprintf(stderr, "Status was: inited\n");
}else{
if (ready4data){
fprintf(stderr, "Status was: ready4data\n");
conn.close();
if (inited) ss.close();
#if DEBUG >= 1
if (FLV::Parse_Error){fprintf(stderr, "FLV Parser Error: %s\n", FLV::Error_Str.c_str());}
fprintf(stderr, "User %i disconnected.\n", conn.getSocket());
if (inited){
fprintf(stderr, "Status was: inited\n");
}else{
fprintf(stderr, "Status was: connected\n");
if (ready4data){
fprintf(stderr, "Status was: ready4data\n");
}else{
fprintf(stderr, "Status was: connected\n");
}
}
}
#endif
return 0;
}
#endif
return 0;
}//Connector_HTTP main function
};//Connector_HTTP namespace
// Load main server setup file, default port 8080, handler is Connector_HTTP::Connector_HTTP
#define DEFAULT_PORT 8080
#define MAINHANDLER Connector_HTTP::Connector_HTTP
#define CONFIGSECT HTTP
#include "../util/server_setup.cpp"

View file

@ -1,8 +1,10 @@
SRC = main.cpp ../sockets/sw_base.cpp ../sockets/sw_inet.cpp ../sockets/sw_unix.cpp
SRC = main.cpp ../util/ddv_socket.cpp
OBJ = $(SRC:.cpp=.o)
OUT = Connector_RAW
OUT = DDV_Conn_RAW
INCLUDES =
CCFLAGS = -Wall -Wextra -funsigned-char -g
DEBUG = 4
OPTIMIZE = -g
CCFLAGS = -Wall -Wextra -funsigned-char $(OPTIMIZE) -DDEBUG=$(DEBUG)
CC = $(CROSS)g++
LD = $(CROSS)ld
AR = $(CROSS)ar

View file

@ -1,25 +1,29 @@
#include <iostream>
#include "../sockets/SocketW.h"
#include <string>
#include <vector>
#include <cstdlib>
#include <cstdio>
#include <unistd.h>
#include <fcntl.h>
/// \file Connector_RAW/main.cpp
/// Contains the main code for the RAW connector.
int main() {
SWUnixSocket mySocket;
std::string input;
std::cin >> input;
input = "/tmp/shared_socket_"+input;
mySocket.connect(input);
char buffer[500000];
int msg;
while(std::cout.good()) {
msg = mySocket.recv(&buffer[0],10000);
std::cout.write(buffer,msg);
#include <iostream>
#include "../util/ddv_socket.h"
/// Contains the main code for the RAW connector.
/// Expects a single commandline argument telling it which stream to connect to,
/// then outputs the raw stream to stdout.
int main(int argc, char ** argv) {
if (argc < 2){
std::cout << "Usage: " << argv[0] << " stream_name" << std::endl;
return 1;
}
// disconnect
mySocket.disconnect();
std::string input = "/tmp/shared_socket_";
input += argv[1];
//connect to the proper stream
DDV::Socket S(input);
if (!S.connected()){
std::cout << "Could not open stream " << argv[1] << std::endl;
return 1;
}
//transport ~50kb at a time
//this is a nice tradeoff between CPU usage and speed
char buffer[50000];
while(std::cout.good() && S.read(buffer,50000)){std::cout.write(buffer,50000);}
S.close();
return 0;
}

View file

@ -1,9 +1,11 @@
SRC = main.cpp
SRC = main.cpp ../util/ddv_socket.cpp ../util/flv_tag.cpp ../util/amf.cpp ../util/rtmpchunks.cpp ../util/crypto.cpp
OBJ = $(SRC:.cpp=.o)
OUT = Connector_RTMP
OUT = DDV_Conn_RTMP
INCLUDES =
STATIC =
CCFLAGS = -Wall -Wextra -funsigned-char -g
DEBUG = 4
OPTIMIZE = -g
CCFLAGS = -Wall -Wextra -funsigned-char $(OPTIMIZE) -DDEBUG=$(DEBUG)
CC = $(CROSS)g++
LD = $(CROSS)ld
AR = $(CROSS)ar
@ -13,7 +15,7 @@ LIBS = -lssl -lcrypto
default: $(OUT)
.cpp.o:
$(CC) $(INCLUDES) $(CCFLAGS) -c $< -o $@
$(OUT): $(OBJ) chunkstream.cpp parsechunks.cpp handshake.cpp crypto.cpp amf.cpp
$(OUT): $(OBJ)
$(CC) -o $(OUT) $(OBJ) $(STATIC) $(LIBS)
clean:
rm -rf $(OBJ) $(OUT) Makefile.bak *~

View file

@ -1,10 +1,10 @@
#!/bin/sh
#
# description: DDVTech RTMP Connector
# processname: Connector_RTMP
# processname: DDV_Conn_RTMP
prog="Connector_RTMP"
fullprog="/usr/bin/Connector_RTMP"
prog="DDV_Conn_RTMP"
fullprog="/usr/bin/DDV_Conn_RTMP"
RETVAL=0
start() {

View file

@ -1 +0,0 @@
../util/amf.cpp

View file

@ -1,501 +0,0 @@
#include <map>
#include <string.h>
#include <stdlib.h>
#include <sys/time.h>
#include <arpa/inet.h>
unsigned int getNowMS(){
timeval t;
gettimeofday(&t, 0);
return t.tv_sec + t.tv_usec/1000;
}
unsigned int chunk_rec_max = 128;
unsigned int chunk_snd_max = 128;
unsigned int rec_window_size = 0xFA00;
unsigned int snd_window_size = 1024*500;
unsigned int rec_window_at = 0;
unsigned int snd_window_at = 0;
unsigned int rec_cnt = 0;
unsigned int snd_cnt = 0;
unsigned int firsttime;
struct chunkinfo {
unsigned int cs_id;
unsigned int timestamp;
unsigned int len;
unsigned int real_len;
unsigned int len_left;
unsigned char msg_type_id;
unsigned int msg_stream_id;
};//chunkinfo
struct chunkpack {
unsigned char chunktype;
unsigned int cs_id;
unsigned int timestamp;
unsigned int len;
unsigned int real_len;
unsigned int len_left;
unsigned char msg_type_id;
unsigned int msg_stream_id;
unsigned char * data;
};//chunkpack
//clean a chunk so that it may be re-used without memory leaks
void scrubChunk(struct chunkpack c){
if (c.data){free(c.data);}
c.data = 0;
c.real_len = 0;
}//scrubChunk
//ugly global, but who cares...
std::map<unsigned int, chunkinfo> prevmap;
//return previous packet of this cs_id
chunkinfo GetPrev(unsigned int cs_id){
return prevmap[cs_id];
}//GetPrev
//store packet information of last packet of this cs_id
void PutPrev(chunkpack prev){
prevmap[prev.cs_id].timestamp = prev.timestamp;
prevmap[prev.cs_id].len = prev.len;
prevmap[prev.cs_id].real_len = prev.real_len;
prevmap[prev.cs_id].len_left = prev.len_left;
prevmap[prev.cs_id].msg_type_id = prev.msg_type_id;
prevmap[prev.cs_id].msg_stream_id = prev.msg_stream_id;
}//PutPrev
//ugly global, but who cares...
std::map<unsigned int, chunkinfo> sndprevmap;
//return previous packet of this cs_id
chunkinfo GetSndPrev(unsigned int cs_id){
return sndprevmap[cs_id];
}//GetPrev
//store packet information of last packet of this cs_id
void PutSndPrev(chunkpack prev){
sndprevmap[prev.cs_id].cs_id = prev.cs_id;
sndprevmap[prev.cs_id].timestamp = prev.timestamp;
sndprevmap[prev.cs_id].len = prev.len;
sndprevmap[prev.cs_id].real_len = prev.real_len;
sndprevmap[prev.cs_id].len_left = prev.len_left;
sndprevmap[prev.cs_id].msg_type_id = prev.msg_type_id;
sndprevmap[prev.cs_id].msg_stream_id = prev.msg_stream_id;
}//PutPrev
//sends the chunk over the network
void SendChunk(chunkpack ch){
unsigned char tmp;
unsigned int tmpi;
unsigned char chtype = 0x00;
chunkinfo prev = GetSndPrev(ch.cs_id);
ch.timestamp -= firsttime;
if (prev.cs_id == ch.cs_id){
if (ch.msg_stream_id == prev.msg_stream_id){
chtype = 0x40;//do not send msg_stream_id
if (ch.len == prev.len){
if (ch.msg_type_id == prev.msg_type_id){
chtype = 0x80;//do not send len and msg_type_id
if (ch.timestamp == prev.timestamp){
chtype = 0xC0;//do not send timestamp
}
}
}
}
}
if (ch.cs_id <= 63){
tmp = chtype | ch.cs_id; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=1;
}else{
if (ch.cs_id <= 255+64){
tmp = chtype | 0; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ch.cs_id - 64; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=2;
}else{
tmp = chtype | 1; DDV_write(&tmp, 1, 1, CONN_fd);
tmpi = ch.cs_id - 64;
tmp = tmpi % 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi / 256; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=3;
}
}
unsigned int ntime = 0;
if (chtype != 0xC0){
//timestamp or timestamp diff
if (chtype == 0x00){
tmpi = ch.timestamp;
if (tmpi >= 0x00ffffff){ntime = tmpi; tmpi = 0x00ffffff;}
tmp = tmpi / (256*256); DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi / 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi % 256; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=3;
}else{
tmpi = ch.timestamp - prev.timestamp;
if (tmpi >= 0x00ffffff){ntime = tmpi; tmpi = 0x00ffffff;}
tmp = tmpi / (256*256); DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi / 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi % 256; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=3;
}
if (chtype != 0x80){
//len
tmpi = ch.len;
tmp = tmpi / (256*256); DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi / 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi % 256; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=3;
//msg type id
tmp = ch.msg_type_id; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=1;
if (chtype != 0x40){
//msg stream id
tmp = ch.msg_stream_id % 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ch.msg_stream_id / 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ch.msg_stream_id / (256*256); DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ch.msg_stream_id / (256*256*256); DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=4;
}
}
}
//support for 0x00ffffff timestamps
if (ntime){
tmp = ntime / (256*256*256); DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ntime / (256*256); DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ntime / 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ntime % 256; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=4;
}
ch.len_left = 0;
while (ch.len_left < ch.len){
tmpi = ch.len - ch.len_left;
if (tmpi > chunk_snd_max){tmpi = chunk_snd_max;}
DDV_write((ch.data + ch.len_left), 1, tmpi, CONN_fd);
snd_cnt+=tmpi;
ch.len_left += tmpi;
if (ch.len_left < ch.len){
if (ch.cs_id <= 63){
tmp = 0xC0 + ch.cs_id; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=1;
}else{
if (ch.cs_id <= 255+64){
tmp = 0xC0; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = ch.cs_id - 64; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=2;
}else{
tmp = 0xC1; DDV_write(&tmp, 1, 1, CONN_fd);
tmpi = ch.cs_id - 64;
tmp = tmpi % 256; DDV_write(&tmp, 1, 1, CONN_fd);
tmp = tmpi / 256; DDV_write(&tmp, 1, 1, CONN_fd);
snd_cnt+=4;
}
}
}
}
PutSndPrev(ch);
}//SendChunk
//sends a chunk
void SendChunk(unsigned int cs_id, unsigned char msg_type_id, unsigned int msg_stream_id, std::string data){
chunkpack ch;
ch.cs_id = cs_id;
ch.timestamp = getNowMS();
ch.len = data.size();
ch.real_len = data.size();
ch.len_left = 0;
ch.msg_type_id = msg_type_id;
ch.msg_stream_id = msg_stream_id;
ch.data = (unsigned char*)malloc(data.size());
memcpy(ch.data, data.c_str(), data.size());
SendChunk(ch);
free(ch.data);
}//SendChunk
//sends a media chunk
void SendMedia(unsigned char msg_type_id, unsigned char * data, int len, unsigned int ts){
chunkpack ch;
ch.cs_id = msg_type_id;
ch.timestamp = ts;
ch.len = len;
ch.real_len = len;
ch.len_left = 0;
ch.msg_type_id = msg_type_id;
ch.msg_stream_id = 1;
ch.data = (unsigned char*)malloc(len);
memcpy(ch.data, data, len);
SendChunk(ch);
free(ch.data);
}//SendMedia
//sends a control message
void SendCTL(unsigned char type, unsigned int data){
chunkpack ch;
ch.cs_id = 2;
ch.timestamp = getNowMS();
ch.len = 4;
ch.real_len = 4;
ch.len_left = 0;
ch.msg_type_id = type;
ch.msg_stream_id = 0;
ch.data = (unsigned char*)malloc(4);
data = htonl(data);
memcpy(ch.data, &data, 4);
SendChunk(ch);
free(ch.data);
}//SendCTL
//sends a control message
void SendCTL(unsigned char type, unsigned int data, unsigned char data2){
chunkpack ch;
ch.cs_id = 2;
ch.timestamp = getNowMS();
ch.len = 5;
ch.real_len = 5;
ch.len_left = 0;
ch.msg_type_id = type;
ch.msg_stream_id = 0;
ch.data = (unsigned char*)malloc(5);
data = htonl(data);
memcpy(ch.data, &data, 4);
ch.data[4] = data2;
SendChunk(ch);
free(ch.data);
}//SendCTL
//sends a usr control message
void SendUSR(unsigned char type, unsigned int data){
chunkpack ch;
ch.cs_id = 2;
ch.timestamp = getNowMS();
ch.len = 6;
ch.real_len = 6;
ch.len_left = 0;
ch.msg_type_id = 4;
ch.msg_stream_id = 0;
ch.data = (unsigned char*)malloc(6);
data = htonl(data);
memcpy(ch.data+2, &data, 4);
ch.data[0] = 0;
ch.data[1] = type;
SendChunk(ch);
free(ch.data);
}//SendUSR
//sends a usr control message
void SendUSR(unsigned char type, unsigned int data, unsigned int data2){
chunkpack ch;
ch.cs_id = 2;
ch.timestamp = getNowMS();
ch.len = 10;
ch.real_len = 10;
ch.len_left = 0;
ch.msg_type_id = 4;
ch.msg_stream_id = 0;
ch.data = (unsigned char*)malloc(10);
data = htonl(data);
data2 = htonl(data2);
memcpy(ch.data+2, &data, 4);
memcpy(ch.data+6, &data2, 4);
ch.data[0] = 0;
ch.data[1] = type;
SendChunk(ch);
free(ch.data);
}//SendUSR
//get a chunk from standard input
struct chunkpack getChunk(){
gettimeofday(&lastrec, 0);
struct chunkpack ret;
unsigned char temp;
DDV_read(&(ret.chunktype), 1, 1, CONN_fd);
rec_cnt++;
//read the chunkstream ID properly
switch (ret.chunktype & 0x3F){
case 0:
DDV_read(&temp, 1, 1, CONN_fd);
rec_cnt++;
ret.cs_id = temp + 64;
break;
case 1:
DDV_read(&temp, 1, 1, CONN_fd);
ret.cs_id = temp + 64;
DDV_read(&temp, 1, 1, CONN_fd);
ret.cs_id += temp * 256;
rec_cnt+=2;
break;
default:
ret.cs_id = ret.chunktype & 0x3F;
break;
}
chunkinfo prev = GetPrev(ret.cs_id);
//process the rest of the header, for each chunk type
switch (ret.chunktype & 0xC0){
case 0x00:
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp = temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp;
DDV_read(&temp, 1, 1, CONN_fd);
ret.len = temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.len += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.len += temp;
ret.len_left = 0;
DDV_read(&temp, 1, 1, CONN_fd);
ret.msg_type_id = temp;
DDV_read(&temp, 1, 1, CONN_fd);
ret.msg_stream_id = temp;
DDV_read(&temp, 1, 1, CONN_fd);
ret.msg_stream_id += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.msg_stream_id += temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.msg_stream_id += temp*256*256*256;
rec_cnt+=11;
break;
case 0x40:
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp = temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp;
ret.timestamp += prev.timestamp;
DDV_read(&temp, 1, 1, CONN_fd);
ret.len = temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.len += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.len += temp;
ret.len_left = 0;
DDV_read(&temp, 1, 1, CONN_fd);
ret.msg_type_id = temp;
ret.msg_stream_id = prev.msg_stream_id;
rec_cnt+=7;
break;
case 0x80:
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp = temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp;
ret.timestamp += prev.timestamp;
ret.len = prev.len;
ret.len_left = prev.len_left;
ret.msg_type_id = prev.msg_type_id;
ret.msg_stream_id = prev.msg_stream_id;
rec_cnt+=3;
break;
case 0xC0:
ret.timestamp = prev.timestamp;
ret.len = prev.len;
ret.len_left = prev.len_left;
ret.msg_type_id = prev.msg_type_id;
ret.msg_stream_id = prev.msg_stream_id;
break;
}
//calculate chunk length, real length, and length left till complete
if (ret.len_left > 0){
ret.real_len = ret.len_left;
ret.len_left -= ret.real_len;
}else{
ret.real_len = ret.len;
}
if (ret.real_len > chunk_rec_max){
ret.len_left += ret.real_len - chunk_rec_max;
ret.real_len = chunk_rec_max;
}
//read extended timestamp, if neccesary
if (ret.timestamp == 0x00ffffff){
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp = temp*256*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp*256*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp*256;
DDV_read(&temp, 1, 1, CONN_fd);
ret.timestamp += temp;
rec_cnt+=4;
}
//read data if length > 0, and allocate it
if (ret.real_len > 0){
ret.data = (unsigned char*)malloc(ret.real_len);
DDV_read(ret.data, 1, ret.real_len, CONN_fd);
rec_cnt+=ret.real_len;
}else{
ret.data = 0;
}
PutPrev(ret);
return ret;
}//getChunk
//adds newchunk to global list of unfinished chunks, re-assembling them complete
//returns pointer to chunk when a chunk is finished, 0 otherwise
//removes pointed to chunk from internal list if returned, without cleanup
// (cleanup performed in getWholeChunk function)
chunkpack * AddChunkPart(chunkpack newchunk){
chunkpack * p;
unsigned char * tmpdata = 0;
static std::map<unsigned int, chunkpack *> ch_lst;
std::map<unsigned int, chunkpack *>::iterator it;
it = ch_lst.find(newchunk.cs_id);
if (it == ch_lst.end()){
p = (chunkpack*)malloc(sizeof(chunkpack));
*p = newchunk;
p->data = (unsigned char*)malloc(p->real_len);
memcpy(p->data, newchunk.data, p->real_len);
if (p->len_left == 0){return p;}
ch_lst[newchunk.cs_id] = p;
}else{
p = it->second;
tmpdata = (unsigned char*)realloc(p->data, p->real_len + newchunk.real_len);
if (tmpdata == 0){
#if DEBUG >= 1
fprintf(stderr, "Error allocating memory!\n");
#endif
return 0;
}
p->data = tmpdata;
memcpy(p->data+p->real_len, newchunk.data, newchunk.real_len);
p->real_len += newchunk.real_len;
p->len_left -= newchunk.real_len;
if (p->len_left <= 0){
ch_lst.erase(it);
return p;
}else{
ch_lst[newchunk.cs_id] = p;//pointer may have changed
}
}
return 0;
}//AddChunkPart
//grabs chunks until a whole one comes in, then returns that
chunkpack getWholeChunk(){
static chunkpack gwc_next, gwc_complete;
static bool clean = false;
int counter = 0;
if (!clean){gwc_complete.data = 0; clean = true;}//prevent brain damage
chunkpack * ret = 0;
scrubChunk(gwc_complete);
while (counter < 1000){
gwc_next = getChunk();
ret = AddChunkPart(gwc_next);
scrubChunk(gwc_next);
if (ret){
gwc_complete = *ret;
free(ret);//cleanup returned chunk
return gwc_complete;
}
if (socketError || socketBlocking){break;}
counter++;
}
gwc_complete.msg_type_id = 0;
return gwc_complete;
}//getWholeChunk

View file

@ -1,45 +0,0 @@
#ifndef _CRYPTO_H
#define _CRYPTO_H
#define DLLEXP
#include <openssl/bn.h>
#include <openssl/dh.h>
#include <openssl/rc4.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include <openssl/bio.h>
#include <openssl/hmac.h>
class DLLEXP DHWrapper {
private:
int32_t _bitsCount;
DH *_pDH;
uint8_t *_pSharedKey;
int32_t _sharedKeyLength;
BIGNUM *_peerPublickey;
public:
DHWrapper(int32_t bitsCount);
virtual ~DHWrapper();
bool Initialize();
bool CopyPublicKey(uint8_t *pDst, int32_t dstLength);
bool CopyPrivateKey(uint8_t *pDst, int32_t dstLength);
bool CreateSharedKey(uint8_t *pPeerPublicKey, int32_t length);
bool CopySharedKey(uint8_t *pDst, int32_t dstLength);
private:
void Cleanup();
bool CopyKey(BIGNUM *pNum, uint8_t *pDst, int32_t dstLength);
};
DLLEXP void InitRC4Encryption(uint8_t *secretKey, uint8_t *pubKeyIn, uint8_t *pubKeyOut,
RC4_KEY *rc4keyIn, RC4_KEY *rc4keyOut);
DLLEXP std::string md5(std::string source, bool textResult);
DLLEXP std::string b64(std::string source);
DLLEXP std::string b64(uint8_t *pBuffer, uint32_t length);
DLLEXP std::string unb64(std::string source);
DLLEXP std::string unb64(uint8_t *pBuffer, uint32_t length);
#endif /* _CRYPTO_H */

View file

@ -1,137 +0,0 @@
#undef OLDHANDSHAKE //change to #define for old handshake method
char versionstring[] = "WWW.DDVTECH.COM ";
#ifdef OLDHANDSHAKE
struct Handshake {
char Time[4];
char Zero[4];
char Random[1528];
};//Handshake
bool doHandshake(){
char Version;
Handshake Client;
Handshake Server;
/** Read C0 **/
DDV_read(&(Version), 1, 1, CONN_fd);
/** Read C1 **/
DDV_read(Client.Time, 1, 4, CONN_fd);
DDV_read(Client.Zero, 1, 4, CONN_fd);
DDV_read(Client.Random, 1, 1528, CONN_fd);
rec_cnt+=1537;
/** Build S1 Packet **/
Server.Time[0] = 0; Server.Time[1] = 0; Server.Time[2] = 0; Server.Time[3] = 0;
Server.Zero[0] = 0; Server.Zero[1] = 0; Server.Zero[2] = 0; Server.Zero[3] = 0;
for (int i = 0; i < 1528; i++){
Server.Random[i] = versionstring[i%sizeof(versionstring)];
}
/** Send S0 **/
DDV_write(&(Version), 1, 1, CONN_fd);
/** Send S1 **/
DDV_write(Server.Time, 1, 4, CONN_fd);
DDV_write(Server.Zero, 1, 4, CONN_fd);
DDV_write(Server.Random, 1, 1528, CONN_fd);
/** Flush output, just for certainty **/
//fflush(CONN_fd);
snd_cnt+=1537;
/** Send S2 **/
DDV_write(Client.Time, 1, 4, CONN_fd);
DDV_write(Client.Time, 1, 4, CONN_fd);
DDV_write(Client.Random, 1, 1528, CONN_fd);
snd_cnt+=1536;
/** Flush, necessary in order to work **/
//fflush(CONN_fd);
/** Read and discard C2 **/
DDV_read(Client.Time, 1, 4, CONN_fd);
DDV_read(Client.Zero, 1, 4, CONN_fd);
DDV_read(Client.Random, 1, 1528, CONN_fd);
rec_cnt+=1536;
return true;
}//doHandshake
#else
#include "crypto.cpp" //cryptography for handshaking
bool doHandshake(){
char Version;
/** Read C0 **/
DDV_read(&Version, 1, 1, CONN_fd);
uint8_t Client[1536];
uint8_t Server[3072];
DDV_read(&Client, 1, 1536, CONN_fd);
rec_cnt+=1537;
/** Build S1 Packet **/
*((uint32_t*)Server) = 0;//time zero
*(((uint32_t*)(Server+4))) = htonl(0x01020304);//version 1 2 3 4
for (int i = 8; i < 3072; ++i){Server[i] = versionstring[i%13];}//"random" data
bool encrypted = (Version == 6);
#if DEBUG >= 4
fprintf(stderr, "Handshake version is %hhi\n", Version);
#endif
uint8_t _validationScheme = 5;
if (ValidateClientScheme(Client, 0)) _validationScheme = 0;
if (ValidateClientScheme(Client, 1)) _validationScheme = 1;
#if DEBUG >= 4
fprintf(stderr, "Handshake type is %hhi, encryption is %s\n", _validationScheme, encrypted?"on":"off");
#endif
//**** FIRST 1536 bytes from server response ****//
//compute DH key position
uint32_t serverDHOffset = GetDHOffset(Server, _validationScheme);
uint32_t clientDHOffset = GetDHOffset(Client, _validationScheme);
//generate DH key
DHWrapper dhWrapper(1024);
if (!dhWrapper.Initialize()) return false;
if (!dhWrapper.CreateSharedKey(Client + clientDHOffset, 128)) return false;
if (!dhWrapper.CopyPublicKey(Server + serverDHOffset, 128)) return false;
if (encrypted) {
uint8_t secretKey[128];
if (!dhWrapper.CopySharedKey(secretKey, sizeof (secretKey))) return false;
RC4_KEY _pKeyIn;
RC4_KEY _pKeyOut;
InitRC4Encryption(secretKey, (uint8_t*) & Client[clientDHOffset], (uint8_t*) & Server[serverDHOffset], &_pKeyIn, &_pKeyOut);
uint8_t data[1536];
RC4(&_pKeyIn, 1536, data, data);
RC4(&_pKeyOut, 1536, data, data);
}
//generate the digest
uint32_t serverDigestOffset = GetDigestOffset(Server, _validationScheme);
uint8_t *pTempBuffer = new uint8_t[1536 - 32];
memcpy(pTempBuffer, Server, serverDigestOffset);
memcpy(pTempBuffer + serverDigestOffset, Server + serverDigestOffset + 32, 1536 - serverDigestOffset - 32);
uint8_t *pTempHash = new uint8_t[512];
HMACsha256(pTempBuffer, 1536 - 32, genuineFMSKey, 36, pTempHash);
memcpy(Server + serverDigestOffset, pTempHash, 32);
delete[] pTempBuffer;
delete[] pTempHash;
//**** SECOND 1536 bytes from server response ****//
uint32_t keyChallengeIndex = GetDigestOffset(Client, _validationScheme);
pTempHash = new uint8_t[512];
HMACsha256(Client + keyChallengeIndex, 32, genuineFMSKey, 68, pTempHash);
uint8_t *pLastHash = new uint8_t[512];
HMACsha256(Server + 1536, 1536 - 32, pTempHash, 32, pLastHash);
memcpy(Server + 1536 * 2 - 32, pLastHash, 32);
delete[] pTempHash;
delete[] pLastHash;
//***** DONE BUILDING THE RESPONSE ***//
/** Send response **/
DDV_write(&Version, 1, 1, CONN_fd);
DDV_write(&Server, 1, 3072, CONN_fd);
snd_cnt+=3073;
/** Flush, necessary in order to work **/
//fflush(CONN_fd);
/** Read and discard C2 **/
DDV_read(Client, 1, 1536, CONN_fd);
rec_cnt+=1536;
return true;
}
#endif

View file

@ -1,10 +1,5 @@
//debugging level 0 = nothing
//debugging level 1 = critical errors
//debugging level 2 = errors
//debugging level 3 = status information
//debugging level 4 = extremely verbose status information
//debugging level 5 = save all streams to FLV files
#define DEBUG 4
/// \file Connector_RTMP/main.cpp
/// Contains the main code for the RTMP Connector
#include <iostream>
#include <cstdlib>
@ -16,32 +11,46 @@
#include <sys/wait.h>
#include <sys/epoll.h>
#include <getopt.h>
#include "../util/ddv_socket.h"
#include "../util/flv_tag.h"
#include "../util/amf.h"
#include "../util/rtmpchunks.h"
//for connection to server
bool ready4data = false;//set to true when streaming starts
bool inited = false;
bool stopparsing = false;
timeval lastrec;
/// Holds all functions and data unique to the RTMP Connector
namespace Connector_RTMP{
//for connection to server
bool ready4data = false; ///< Set to true when streaming starts.
bool inited = false; ///< Set to true when ready to connect to Buffer.
bool stopparsing = false; ///< Set to true when all parsing needs to be cancelled.
DDV::Socket Socket; ///< Socket connected to user
std::string streamname = "/tmp/shared_socket"; ///< Stream that will be opened
void parseChunk();
int Connector_RTMP(DDV::Socket conn);
};//Connector_RTMP namespace;
#define DEFAULT_PORT 1935
#include "../util/server_setup.cpp"
int CONN_fd = 0;
#include "parsechunks.cpp" //chunkstream parsing
#include "handshake.cpp" //handshaking
int mainHandler(int connection){
CONN_fd = connection;
/// Main Connector_RTMP function
int Connector_RTMP::Connector_RTMP(DDV::Socket conn){
Socket = conn;
unsigned int ts;
unsigned int fts = 0;
unsigned int ftst;
int ss;
FLV_Pack * tag = 0;
DDV::Socket SS;
FLV::Tag tag;
//first timestamp set
firsttime = getNowMS();
RTMPStream::firsttime = RTMPStream::getNowMS();
if (doHandshake()){
while (Socket.connected() && (RTMPStream::handshake_in.size() < 1537)){
Socket.read(RTMPStream::handshake_in);
}
RTMPStream::rec_cnt += 1537;
if (RTMPStream::doHandshake()){
Socket.write(RTMPStream::handshake_out);
Socket.read((char*)RTMPStream::handshake_in.c_str(), 1536);
RTMPStream::rec_cnt += 1536;
#if DEBUG >= 4
fprintf(stderr, "Handshake succcess!\n");
#endif
@ -57,114 +66,75 @@ int mainHandler(int connection){
int sspoller = epoll_create(1);
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = CONN_fd;
epoll_ctl(poller, EPOLL_CTL_ADD, CONN_fd, &ev);
ev.data.fd = Socket.getSocket();
epoll_ctl(poller, EPOLL_CTL_ADD, Socket.getSocket(), &ev);
struct epoll_event events[1];
#if DEBUG >= 5
//for writing whole stream to a file
FILE * tmpfile = 0;
char tmpstr[200];
#endif
while (!socketError && !All_Hell_Broke_Loose){
while (Socket.connected() && !FLV::Parse_Error){
//only parse input if available or not yet init'ed
//rightnow = getNowMS();
retval = epoll_wait(poller, events, 1, 1);
if ((retval > 0) || !ready4data){// || (snd_cnt - snd_window_at >= snd_window_size)
switch (DDV_ready(CONN_fd)){
case 0:
socketError = true;
#if DEBUG >= 1
fprintf(stderr, "User socket is disconnected.\n");
#endif
break;
case -1: break;//not ready yet
default:
parseChunk();
break;
switch (Socket.ready()){
case -1: break; //disconnected
case 0: break; //not ready yet
default: parseChunk(); break; //new data is waiting
}
}
if (ready4data){
if (!inited){
//we are ready, connect the socket!
ss = DDV_OpenUnix(streamname);
if (ss <= 0){
SS = DDV::Socket(streamname);
if (!SS.connected()){
#if DEBUG >= 1
fprintf(stderr, "Could not connect to server!\n");
#endif
socketError = 1;
Socket.close();//disconnect user
break;
}
ev.events = EPOLLIN;
ev.data.fd = ss;
epoll_ctl(sspoller, EPOLL_CTL_ADD, ss, &ev);
ev.data.fd = SS.getSocket();
epoll_ctl(sspoller, EPOLL_CTL_ADD, SS.getSocket(), &ev);
#if DEBUG >= 3
fprintf(stderr, "Everything connected, starting to send video data...\n");
#endif
inited = true;
}
}
retval = epoll_wait(sspoller, events, 1, 1);
switch (DDV_ready(ss)){
case 0:
socketError = true;
switch (SS.ready()){
case -1:
#if DEBUG >= 1
fprintf(stderr, "Source socket is disconnected.\n");
#endif
Socket.close();//disconnect user
break;
case -1: break;//not ready yet
case 0: break;//not ready yet
default:
if (FLV_GetPacket(tag, ss)){//able to read a full packet?
ts = tag->data[7] * 256*256*256;
ts += tag->data[4] * 256*256;
ts += tag->data[5] * 256;
ts += tag->data[6];
if (tag.SockLoader(SS)){//able to read a full packet?
ts = tag.tagTime();
if (ts != 0){
if (fts == 0){fts = ts;ftst = getNowMS();}
if (fts == 0){fts = ts;ftst = RTMPStream::getNowMS();}
ts -= fts;
tag->data[7] = ts / (256*256*256);
tag->data[4] = ts / (256*256);
tag->data[5] = ts / 256;
tag->data[6] = ts % 256;
tag.tagTime(ts);
ts += ftst;
}else{
ftst = getNowMS();
tag->data[7] = ftst / (256*256*256);
tag->data[4] = ftst / (256*256);
tag->data[5] = ftst / 256;
tag->data[6] = ftst % 256;
ftst = RTMPStream::getNowMS();
tag.tagTime(ftst);
}
SendMedia((unsigned char)tag->data[0], (unsigned char *)tag->data+11, tag->len-15, ts);
#if DEBUG >= 5
//write whole stream to a file
if (tmpfile == 0){
sprintf(tmpstr, "./tmpfile_socket_%i.flv", CONN_fd);
tmpfile = fopen(tmpstr, "w");
fwrite(FLVHeader, 13, 1, tmpfile);
}
fwrite(tag->data, tag->len, 1, tmpfile);
#endif
Socket.write(RTMPStream::SendMedia((unsigned char)tag.data[0], (unsigned char *)tag.data+11, tag.len-15, ts));
#if DEBUG >= 4
fprintf(stderr, "Sent a tag to %i\n", CONN_fd);
fprintf(stderr, "Sent a tag to %i\n", Socket.getSocket());
#endif
}
break;
}
}
//send ACK if we received a whole window
if ((rec_cnt - rec_window_at > rec_window_size)){
rec_window_at = rec_cnt;
SendCTL(3, rec_cnt);//send ack (msg 3)
}
}
close(CONN_fd);
#if DEBUG >= 5
fclose(tmpfile);
#endif
if (inited) close(ss);
SS.close();
Socket.close();
#if DEBUG >= 1
if (All_Hell_Broke_Loose){fprintf(stderr, "All Hell Broke Loose\n");}
fprintf(stderr, "User %i disconnected.\n", CONN_fd);
if (FLV::Parse_Error){fprintf(stderr, "FLV Parse Error: %s\n", FLV::Error_Str.c_str());}
fprintf(stderr, "User %i disconnected.\n", conn.getSocket());
if (inited){
fprintf(stderr, "Status was: inited\n");
}else{
@ -176,4 +146,435 @@ int mainHandler(int connection){
}
#endif
return 0;
}//mainHandler
}//Connector_RTMP
/// Tries to get and parse one RTMP chunk at a time.
void Connector_RTMP::parseChunk(){
static RTMPStream::Chunk next;
static std::string inbuffer;
static AMF::Object amfdata("empty", AMF::AMF0_DDV_CONTAINER);
static AMF::Object amfelem("empty", AMF::AMF0_DDV_CONTAINER);
static AMF::Object3 amf3data("empty", AMF::AMF3_DDV_CONTAINER);
static AMF::Object3 amf3elem("empty", AMF::AMF3_DDV_CONTAINER);
if (!Connector_RTMP::Socket.read(inbuffer)){return;} //try to get more data
while (next.Parse(inbuffer)){
//send ACK if we received a whole window
if ((RTMPStream::rec_cnt - RTMPStream::rec_window_at > RTMPStream::rec_window_size)){
RTMPStream::rec_window_at = RTMPStream::rec_cnt;
Socket.write(RTMPStream::SendCTL(3, RTMPStream::rec_cnt));//send ack (msg 3)
}
switch (next.msg_type_id){
case 0://does not exist
#if DEBUG >= 2
fprintf(stderr, "UNKN: Received a zero-type message. This is an error.\n");
#endif
break;//happens when connection breaks unexpectedly
case 1://set chunk size
RTMPStream::chunk_rec_max = ntohl(*(int*)next.data.c_str());
#if DEBUG >= 4
fprintf(stderr, "CTRL: Set chunk size: %i\n", RTMPStream::chunk_rec_max);
#endif
break;
case 2://abort message - we ignore this one
#if DEBUG >= 4
fprintf(stderr, "CTRL: Abort message\n");
#endif
//4 bytes of stream id to drop
break;
case 3://ack
#if DEBUG >= 4
fprintf(stderr, "CTRL: Acknowledgement\n");
#endif
RTMPStream::snd_window_at = ntohl(*(int*)next.data.c_str());
RTMPStream::snd_window_at = RTMPStream::snd_cnt;
break;
case 4:{
#if DEBUG >= 4
short int ucmtype = ntohs(*(short int*)next.data.c_str());
fprintf(stderr, "CTRL: User control message %hi\n", ucmtype);
#endif
//2 bytes event type, rest = event data
//types:
//0 = stream begin, 4 bytes ID
//1 = stream EOF, 4 bytes ID
//2 = stream dry, 4 bytes ID
//3 = setbufferlen, 4 bytes ID, 4 bytes length
//4 = streamisrecorded, 4 bytes ID
//6 = pingrequest, 4 bytes data
//7 = pingresponse, 4 bytes data
//we don't need to process this
} break;
case 5://window size of other end
#if DEBUG >= 4
fprintf(stderr, "CTRL: Window size\n");
#endif
RTMPStream::rec_window_size = ntohl(*(int*)next.data.c_str());
RTMPStream::rec_window_at = RTMPStream::rec_cnt;
Socket.write(RTMPStream::SendCTL(3, RTMPStream::rec_cnt));//send ack (msg 3)
break;
case 6:
#if DEBUG >= 4
fprintf(stderr, "CTRL: Set peer bandwidth\n");
#endif
//4 bytes window size, 1 byte limit type (ignored)
RTMPStream::snd_window_size = ntohl(*(int*)next.data.c_str());
Socket.write(RTMPStream::SendCTL(5, RTMPStream::snd_window_size));//send window acknowledgement size (msg 5)
break;
case 8:
#if DEBUG >= 4
fprintf(stderr, "Received audio data\n");
#endif
break;
case 9:
#if DEBUG >= 4
fprintf(stderr, "Received video data\n");
#endif
break;
case 15:
#if DEBUG >= 4
fprintf(stderr, "Received AFM3 data message\n");
#endif
break;
case 16:
#if DEBUG >= 4
fprintf(stderr, "Received AFM3 shared object\n");
#endif
break;
case 17:{
bool parsed3 = false;
#if DEBUG >= 4
fprintf(stderr, "Received AFM3 command message\n");
#endif
if (next.data[0] != 0){
next.data = next.data.substr(1);
amf3data = AMF::parse3(next.data);
#if DEBUG >= 4
amf3data.Print();
#endif
}else{
#if DEBUG >= 4
fprintf(stderr, "Received AFM3-0 command message\n");
#endif
next.data = next.data.substr(1);
amfdata = AMF::parse(next.data);
#if DEBUG >= 4
amfdata.Print();
#endif
if (amfdata.getContentP(0)->StrValue() == "connect"){
double objencoding = 0;
if (amfdata.getContentP(2)->getContentP("objectEncoding")){
objencoding = amfdata.getContentP(2)->getContentP("objectEncoding")->NumValue();
}
fprintf(stderr, "Object encoding set to %e\n", objencoding);
#if DEBUG >= 4
int tmpint;
tmpint = (int)amfdata.getContentP(2)->getContentP("videoCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "Sorensen video support detected\n");}
if (tmpint & 0x80){fprintf(stderr, "H264 video support detected\n");}
tmpint = (int)amfdata.getContentP(2)->getContentP("audioCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "MP3 audio support detected\n");}
if (tmpint & 0x400){fprintf(stderr, "AAC video support detected\n");}
#endif
Socket.write(RTMPStream::SendCTL(5, RTMPStream::snd_window_size));//send window acknowledgement size (msg 5)
Socket.write(RTMPStream::SendUSR(0, 1));//send UCM StreamBegin (0), stream 1
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object(""));//server properties
amfreply.getContentP(2)->addContent(AMF::Object("fmsVer", "FMS/3,5,4,1004"));
amfreply.getContentP(2)->addContent(AMF::Object("capabilities", (double)127));
amfreply.getContentP(2)->addContent(AMF::Object("mode", (double)1));
amfreply.addContent(AMF::Object(""));//info
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetConnection.Connect.Success"));
amfreply.getContentP(3)->addContent(AMF::Object("description", "Connection succeeded."));
amfreply.getContentP(3)->addContent(AMF::Object("objectEncoding", objencoding));
amfreply.getContentP(3)->addContent(AMF::Object("data", AMF::AMF0_ECMA_ARRAY));
amfreply.getContentP(3)->getContentP(4)->addContent(AMF::Object("version", "3,5,4,1004"));
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 17, next.msg_stream_id, (char)0+amfreply.Pack()));
//send onBWDone packet - no clue what it is, but real server sends it...
amfreply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "onBWDone"));//result
amfreply.addContent(AMF::Object("", (double)0));//zero
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null
Socket.write(RTMPStream::SendChunk(3, 17, next.msg_stream_id, (char)0+amfreply.Pack()));
parsed3 = true;
}//connect
if (amfdata.getContentP(0)->StrValue() == "createStream"){
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object("", (double)1));//stream ID - we use 1
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 17, next.msg_stream_id, (char)0+amfreply.Pack()));
Socket.write(RTMPStream::SendUSR(0, 1));//send UCM StreamBegin (0), stream 1
parsed3 = true;
}//createStream
if ((amfdata.getContentP(0)->StrValue() == "getStreamLength") || (amfdata.getContentP(0)->StrValue() == "getMovLen")){
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object("", (double)0));//zero length
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 17, next.msg_stream_id, (char)0+amfreply.Pack()));
parsed3 = true;
}//getStreamLength
if (amfdata.getContentP(0)->StrValue() == "checkBandwidth"){
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 17, 1, (char)0+amfreply.Pack()));
parsed3 = true;
}//checkBandwidth
if ((amfdata.getContentP(0)->StrValue() == "play") || (amfdata.getContentP(0)->StrValue() == "play2")){
//send streambegin
streamname = amfdata.getContentP(3)->StrValue();
for (std::string::iterator i=streamname.end()-1; i>=streamname.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){streamname.erase(i);}else{*i=tolower(*i);}
}
streamname = "/tmp/shared_socket_" + streamname;
Socket.write(RTMPStream::SendUSR(0, 1));//send UCM StreamBegin (0), stream 1
//send a status reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object(""));//info
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Reset"));
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing and resetting..."));
amfreply.getContentP(3)->addContent(AMF::Object("details", "PLS"));
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1));
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(4, 17, next.msg_stream_id, (char)0+amfreply.Pack()));
amfreply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object(""));//info
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Start"));
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing!"));
amfreply.getContentP(3)->addContent(AMF::Object("details", "PLS"));
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1));
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(4, 17, 1, (char)0+amfreply.Pack()));
RTMPStream::chunk_snd_max = 65536;//1024*1024;
Socket.write(RTMPStream::SendCTL(1, RTMPStream::chunk_snd_max));//send chunk size max (msg 1)
Connector_RTMP::ready4data = true;//start sending video data!
parsed3 = true;
}//createStream
#if DEBUG >= 3
fprintf(stderr, "AMF0 command: %s\n", amfdata.getContentP(0)->StrValue().c_str());
#endif
if (!parsed3){
#if DEBUG >= 2
fprintf(stderr, "AMF0 command not processed! :(\n");
#endif
}
}//parsing AMF0-style
} break;
case 18:
#if DEBUG >= 4
fprintf(stderr, "Received AFM0 data message (metadata)\n");
#endif
break;
case 19:
#if DEBUG >= 4
fprintf(stderr, "Received AFM0 shared object\n");
#endif
break;
case 20:{//AMF0 command message
bool parsed = false;
amfdata = AMF::parse(next.data);
#if DEBUG >= 4
amfdata.Print();
#endif
if (amfdata.getContentP(0)->StrValue() == "connect"){
double objencoding = 0;
if (amfdata.getContentP(2)->getContentP("objectEncoding")){
objencoding = amfdata.getContentP(2)->getContentP("objectEncoding")->NumValue();
}
fprintf(stderr, "Object encoding set to %e\n", objencoding);
#if DEBUG >= 4
int tmpint;
tmpint = (int)amfdata.getContentP(2)->getContentP("videoCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "Sorensen video support detected\n");}
if (tmpint & 0x80){fprintf(stderr, "H264 video support detected\n");}
tmpint = (int)amfdata.getContentP(2)->getContentP("audioCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "MP3 audio support detected\n");}
if (tmpint & 0x400){fprintf(stderr, "AAC video support detected\n");}
#endif
Socket.write(RTMPStream::SendCTL(5, RTMPStream::snd_window_size));//send window acknowledgement size (msg 5)
Socket.write(RTMPStream::SendUSR(0, 1));//send UCM StreamBegin (0), stream 1
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
// amfreply.addContent(AMFType("", (double)0, 0x05));//null - command info
amfreply.addContent(AMF::Object(""));//server properties
amfreply.getContentP(2)->addContent(AMF::Object("fmsVer", "FMS/3,5,4,1004"));
amfreply.getContentP(2)->addContent(AMF::Object("capabilities", (double)127));
amfreply.getContentP(2)->addContent(AMF::Object("mode", (double)1));
amfreply.addContent(AMF::Object(""));//info
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetConnection.Connect.Success"));
amfreply.getContentP(3)->addContent(AMF::Object("description", "Connection succeeded."));
amfreply.getContentP(3)->addContent(AMF::Object("objectEncoding", objencoding));
amfreply.getContentP(3)->addContent(AMF::Object("data", AMF::AMF0_ECMA_ARRAY));
amfreply.getContentP(3)->getContentP(4)->addContent(AMF::Object("version", "3,5,4,1004"));
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 20, next.msg_stream_id, amfreply.Pack()));
//send onBWDone packet - no clue what it is, but real server sends it...
amfreply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "onBWDone"));//result
amfreply.addContent(AMF::Object("", (double)0));//zero
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null
Socket.write(RTMPStream::SendChunk(3, 20, next.msg_stream_id, amfreply.Pack()));
parsed = true;
}//connect
if (amfdata.getContentP(0)->StrValue() == "createStream"){
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object("", (double)1));//stream ID - we use 1
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 20, next.msg_stream_id, amfreply.Pack()));
Socket.write(RTMPStream::SendUSR(0, 1));//send UCM StreamBegin (0), stream 1
parsed = true;
}//createStream
if ((amfdata.getContentP(0)->StrValue() == "getStreamLength") || (amfdata.getContentP(0)->StrValue() == "getMovLen")){
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object("", (double)0));//zero length
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 20, next.msg_stream_id, amfreply.Pack()));
parsed = true;
}//getStreamLength
if (amfdata.getContentP(0)->StrValue() == "checkBandwidth"){
//send a _result reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(3, 20, 1, amfreply.Pack()));
parsed = true;
}//checkBandwidth
if ((amfdata.getContentP(0)->StrValue() == "play") || (amfdata.getContentP(0)->StrValue() == "play2")){
//send streambegin
streamname = amfdata.getContentP(3)->StrValue();
for (std::string::iterator i=streamname.end()-1; i>=streamname.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){streamname.erase(i);}else{*i=tolower(*i);}
}
streamname = "/tmp/shared_socket_" + streamname;
Socket.write(RTMPStream::SendUSR(0, 1));//send UCM StreamBegin (0), stream 1
//send a status reply
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object(""));//info
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Reset"));
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing and resetting..."));
amfreply.getContentP(3)->addContent(AMF::Object("details", "PLS"));
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1));
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(4, 20, next.msg_stream_id, amfreply.Pack()));
amfreply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
amfreply.addContent(AMF::Object("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null - command info
amfreply.addContent(AMF::Object(""));//info
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Start"));
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing!"));
amfreply.getContentP(3)->addContent(AMF::Object("details", "PLS"));
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1));
#if DEBUG >= 4
amfreply.Print();
#endif
Socket.write(RTMPStream::SendChunk(4, 20, 1, amfreply.Pack()));
//No clue what this does. Most real servers send it, though...
// amfreply = AMFType("container", (unsigned char)0xFF);
// amfreply.addContent(AMFType("", "|RtmpSampleAccess"));//status reply
// amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - audioaccess
// amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - videoaccess
// SendChunk(4, 20, next.msg_stream_id, amfreply.Pack());
RTMPStream::chunk_snd_max = 65536;//1024*1024;
Socket.write(RTMPStream::SendCTL(1, RTMPStream::chunk_snd_max));//send chunk size max (msg 1)
Connector_RTMP::ready4data = true;//start sending video data!
parsed = true;
}//createStream
#if DEBUG >= 3
fprintf(stderr, "AMF0 command: %s\n", amfdata.getContentP(0)->StrValue().c_str());
#endif
if (!parsed){
#if DEBUG >= 2
fprintf(stderr, "AMF0 command not processed! :(\n");
#endif
}
} break;
case 22:
#if DEBUG >= 4
fprintf(stderr, "Received aggregate message\n");
#endif
break;
default:
#if DEBUG >= 1
fprintf(stderr, "Unknown chunk received! Probably protocol corruption, stopping parsing of incoming data.\n");
#endif
Connector_RTMP::stopparsing = true;
break;
}
}
}//parseChunk
// Load main server setup file, default port 1935, handler is Connector_RTMP::Connector_RTMP
#define DEFAULT_PORT 1935
#define MAINHANDLER Connector_RTMP::Connector_RTMP
#define CONFIGSECT RTMP
#include "../util/server_setup.cpp"

View file

@ -1,254 +0,0 @@
#include "chunkstream.cpp" //chunkstream decoding
#include "amf.cpp" //simple AMF0 parsing
std::string streamname = "/tmp/shared_socket";
//gets and parses one chunk
void parseChunk(){
static chunkpack next;
static AMFType amfdata("empty", (unsigned char)AMF0_DDV_CONTAINER);
static AMFType amfelem("empty", (unsigned char)AMF0_DDV_CONTAINER);
next = getWholeChunk();
switch (next.msg_type_id){
case 0://does not exist
break;//happens when connection breaks unexpectedly
case 1://set chunk size
chunk_rec_max = ntohl(*(int*)next.data);
#if DEBUG >= 4
fprintf(stderr, "CTRL: Set chunk size: %i\n", chunk_rec_max);
#endif
break;
case 2://abort message - we ignore this one
#if DEBUG >= 4
fprintf(stderr, "CTRL: Abort message\n");
#endif
//4 bytes of stream id to drop
break;
case 3://ack
#if DEBUG >= 4
fprintf(stderr, "CTRL: Acknowledgement\n");
#endif
snd_window_at = ntohl(*(int*)next.data);
snd_window_at = snd_cnt;
break;
case 4:{
#if DEBUG >= 4
short int ucmtype = ntohs(*(short int*)next.data);
fprintf(stderr, "CTRL: User control message %hi\n", ucmtype);
#endif
//2 bytes event type, rest = event data
//types:
//0 = stream begin, 4 bytes ID
//1 = stream EOF, 4 bytes ID
//2 = stream dry, 4 bytes ID
//3 = setbufferlen, 4 bytes ID, 4 bytes length
//4 = streamisrecorded, 4 bytes ID
//6 = pingrequest, 4 bytes data
//7 = pingresponse, 4 bytes data
//we don't need to process this
} break;
case 5://window size of other end
#if DEBUG >= 4
fprintf(stderr, "CTRL: Window size\n");
#endif
rec_window_size = ntohl(*(int*)next.data);
rec_window_at = rec_cnt;
SendCTL(3, rec_cnt);//send ack (msg 3)
break;
case 6:
#if DEBUG >= 4
fprintf(stderr, "CTRL: Set peer bandwidth\n");
#endif
//4 bytes window size, 1 byte limit type (ignored)
snd_window_size = ntohl(*(int*)next.data);
SendCTL(5, snd_window_size);//send window acknowledgement size (msg 5)
break;
case 8:
#if DEBUG >= 4
fprintf(stderr, "Received audio data\n");
#endif
break;
case 9:
#if DEBUG >= 4
fprintf(stderr, "Received video data\n");
#endif
break;
case 15:
#if DEBUG >= 4
fprintf(stderr, "Received AFM3 data message\n");
#endif
break;
case 16:
#if DEBUG >= 4
fprintf(stderr, "Received AFM3 shared object\n");
#endif
break;
case 17:
#if DEBUG >= 4
fprintf(stderr, "Received AFM3 command message\n");
#endif
break;
case 18:
#if DEBUG >= 4
fprintf(stderr, "Received AFM0 data message\n");
#endif
break;
case 19:
#if DEBUG >= 4
fprintf(stderr, "Received AFM0 shared object\n");
#endif
break;
case 20:{//AMF0 command message
bool parsed = false;
amfdata = parseAMF(next.data, next.real_len);
#if DEBUG >= 4
amfdata.Print();
#endif
if (amfdata.getContentP(0)->StrValue() == "connect"){
#if DEBUG >= 4
int tmpint;
tmpint = amfdata.getContentP(2)->getContentP("videoCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "Sorensen video support detected\n");}
if (tmpint & 0x80){fprintf(stderr, "H264 video support detected\n");}
tmpint = amfdata.getContentP(2)->getContentP("audioCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "MP3 audio support detected\n");}
if (tmpint & 0x400){fprintf(stderr, "AAC video support detected\n");}
#endif
SendCTL(6, rec_window_size, 0);//send peer bandwidth (msg 6)
SendCTL(5, snd_window_size);//send window acknowledgement size (msg 5)
SendUSR(0, 1);//send UCM StreamBegin (0), stream 1
//send a _result reply
AMFType amfreply("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
// amfreply.addContent(AMFType("", (double)0, 0x05));//null - command info
amfreply.addContent(AMFType(""));//server properties
amfreply.getContentP(2)->addContent(AMFType("fmsVer", "FMS/3,5,2,654"));//stolen from examples
amfreply.getContentP(2)->addContent(AMFType("capabilities", (double)31));//stolen from examples
amfreply.getContentP(2)->addContent(AMFType("mode", (double)1));//stolen from examples
amfreply.getContentP(2)->addContent(AMFType("objectEncoding", (double)0));
amfreply.addContent(AMFType(""));//info
amfreply.getContentP(3)->addContent(AMFType("level", "status"));
amfreply.getContentP(3)->addContent(AMFType("code", "NetConnection.Connect.Success"));
amfreply.getContentP(3)->addContent(AMFType("description", "Connection succeeded."));
#if DEBUG >= 4
amfreply.Print();
#endif
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
//send onBWDone packet
//amfreply = AMFType("container", (unsigned char)0xFF);
//amfreply.addContent(AMFType("", "onBWDone"));//result success
//amfreply.addContent(AMFType("", (double)0));//zero
//amfreply.addContent(AMFType("", (double)0, 0x05));//null
//SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
parsed = true;
}//connect
if (amfdata.getContentP(0)->StrValue() == "createStream"){
//send a _result reply
AMFType amfreply("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMFType("", (double)0, AMF0_NULL));//null - command info
amfreply.addContent(AMFType("", (double)1));//stream ID - we use 1
#if DEBUG >= 4
amfreply.Print();
#endif
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
SendUSR(0, 1);//send UCM StreamBegin (0), stream 1
parsed = true;
}//createStream
if ((amfdata.getContentP(0)->StrValue() == "getStreamLength") || (amfdata.getContentP(0)->StrValue() == "getMovLen")){
//send a _result reply
AMFType amfreply("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMFType("", (double)0, AMF0_NULL));//null - command info
amfreply.addContent(AMFType("", (double)0));//zero length
#if DEBUG >= 4
amfreply.Print();
#endif
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
parsed = true;
}//getStreamLength
if (amfdata.getContentP(0)->StrValue() == "checkBandwidth"){
//send a _result reply
AMFType amfreply("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMFType("", (double)0, AMF0_NULL));//null - command info
amfreply.addContent(AMFType("", (double)0, AMF0_NULL));//null - command info
#if DEBUG >= 4
amfreply.Print();
#endif
SendChunk(3, 20, 1, amfreply.Pack());
parsed = true;
}//checkBandwidth
if ((amfdata.getContentP(0)->StrValue() == "play") || (amfdata.getContentP(0)->StrValue() == "play2")){
//send streambegin
streamname = amfdata.getContentP(3)->StrValue();
for (std::string::iterator i=streamname.end()-1; i>=streamname.begin(); --i){
if (!isalpha(*i) && !isdigit(*i)){streamname.erase(i);}else{*i=tolower(*i);}
}
streamname = "/tmp/shared_socket_" + streamname;
SendUSR(0, 1);//send UCM StreamBegin (0), stream 1
//send a status reply
AMFType amfreply("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMFType("", (double)0, AMF0_NULL));//null - command info
amfreply.addContent(AMFType(""));//info
amfreply.getContentP(3)->addContent(AMFType("level", "status"));
amfreply.getContentP(3)->addContent(AMFType("code", "NetStream.Play.Reset"));
amfreply.getContentP(3)->addContent(AMFType("description", "Playing and resetting..."));
amfreply.getContentP(3)->addContent(AMFType("details", "PLS"));
amfreply.getContentP(3)->addContent(AMFType("clientid", (double)1));
#if DEBUG >= 4
amfreply.Print();
#endif
SendChunk(4, 20, next.msg_stream_id, amfreply.Pack());
amfreply = AMFType("container", (unsigned char)AMF0_DDV_CONTAINER);
amfreply.addContent(AMFType("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMFType("", (double)0, AMF0_NULL));//null - command info
amfreply.addContent(AMFType(""));//info
amfreply.getContentP(3)->addContent(AMFType("level", "status"));
amfreply.getContentP(3)->addContent(AMFType("code", "NetStream.Play.Start"));
amfreply.getContentP(3)->addContent(AMFType("description", "Playing!"));
amfreply.getContentP(3)->addContent(AMFType("details", "PLS"));
amfreply.getContentP(3)->addContent(AMFType("clientid", (double)1));
#if DEBUG >= 4
amfreply.Print();
#endif
SendChunk(4, 20, 1, amfreply.Pack());
//No clue what this does. Most real servers send it, though...
// amfreply = AMFType("container", (unsigned char)0xFF);
// amfreply.addContent(AMFType("", "|RtmpSampleAccess"));//status reply
// amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - audioaccess
// amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - videoaccess
// SendChunk(4, 20, next.msg_stream_id, amfreply.Pack());
chunk_snd_max = 1024*1024;
SendCTL(1, chunk_snd_max);//send chunk size max (msg 1)
ready4data = true;//start sending video data!
parsed = true;
}//createStream
#if DEBUG >= 3
fprintf(stderr, "AMF0 command: %s\n", amfdata.getContentP(0)->StrValue().c_str());
#endif
if (!parsed){
#if DEBUG >= 2
fprintf(stderr, "AMF0 command not processed! :(\n");
#endif
}
} break;
case 22:
#if DEBUG >= 4
fprintf(stderr, "Received aggregate message\n");
#endif
break;
default:
#if DEBUG >= 1
fprintf(stderr, "Unknown chunk received! Probably protocol corruption, stopping parsing of incoming data.\n");
#endif
stopparsing = true;
break;
}
}//parseChunk

View file

@ -2,7 +2,9 @@ SRC = main.cpp ../sockets/sw_base.cpp ../sockets/sw_inet.cpp ../sockets/sw_unix.
OBJ = $(SRC:.cpp=.o)
OUT = Connector_RTSP
INCLUDES = -I/usr/local/include/jthread/
CCFLAGS = -Wall -Wextra -funsigned-char -g
DEBUG = 4
OPTIMIZE = -g
CCFLAGS = -Wall -Wextra -funsigned-char $(OPTIMIZE) -DDEBUG=$(DEBUG)
CC = $(CROSS)g++
LD = $(CROSS)ld
AR = $(CROSS)ar

296
Doxyfile Normal file
View file

@ -0,0 +1,296 @@
# Doxyfile 1.6.3
#---------------------------------------------------------------------------
# Project related configuration options
#---------------------------------------------------------------------------
DOXYFILE_ENCODING = UTF-8
PROJECT_NAME = DDVTECH Streaming Server
PROJECT_NUMBER = 1
OUTPUT_DIRECTORY = ./docs
CREATE_SUBDIRS = NO
OUTPUT_LANGUAGE = English
BRIEF_MEMBER_DESC = YES
REPEAT_BRIEF = YES
ABBREVIATE_BRIEF =
ALWAYS_DETAILED_SEC = NO
INLINE_INHERITED_MEMB = YES
FULL_PATH_NAMES = YES
STRIP_FROM_PATH =
STRIP_FROM_INC_PATH =
SHORT_NAMES = NO
JAVADOC_AUTOBRIEF = YES
QT_AUTOBRIEF = NO
MULTILINE_CPP_IS_BRIEF = NO
INHERIT_DOCS = YES
SEPARATE_MEMBER_PAGES = NO
TAB_SIZE = 2
ALIASES =
OPTIMIZE_OUTPUT_FOR_C = YES
OPTIMIZE_OUTPUT_JAVA = NO
OPTIMIZE_FOR_FORTRAN = NO
OPTIMIZE_OUTPUT_VHDL = NO
EXTENSION_MAPPING =
BUILTIN_STL_SUPPORT = YES
CPP_CLI_SUPPORT = NO
SIP_SUPPORT = NO
IDL_PROPERTY_SUPPORT = NO
DISTRIBUTE_GROUP_DOC = NO
SUBGROUPING = YES
TYPEDEF_HIDES_STRUCT = NO
SYMBOL_CACHE_SIZE = 0
#---------------------------------------------------------------------------
# Build related configuration options
#---------------------------------------------------------------------------
EXTRACT_ALL = YES
EXTRACT_PRIVATE = YES
EXTRACT_STATIC = YES
EXTRACT_LOCAL_CLASSES = YES
EXTRACT_LOCAL_METHODS = NO
EXTRACT_ANON_NSPACES = NO
HIDE_UNDOC_MEMBERS = NO
HIDE_UNDOC_CLASSES = NO
HIDE_FRIEND_COMPOUNDS = NO
HIDE_IN_BODY_DOCS = NO
INTERNAL_DOCS = NO
CASE_SENSE_NAMES = YES
HIDE_SCOPE_NAMES = NO
SHOW_INCLUDE_FILES = YES
FORCE_LOCAL_INCLUDES = NO
INLINE_INFO = YES
SORT_MEMBER_DOCS = YES
SORT_BRIEF_DOCS = NO
SORT_MEMBERS_CTORS_1ST = NO
SORT_GROUP_NAMES = NO
SORT_BY_SCOPE_NAME = NO
GENERATE_TODOLIST = YES
GENERATE_TESTLIST = YES
GENERATE_BUGLIST = YES
GENERATE_DEPRECATEDLIST= YES
ENABLED_SECTIONS =
MAX_INITIALIZER_LINES = 30
SHOW_USED_FILES = YES
SHOW_DIRECTORIES = YES
SHOW_FILES = YES
SHOW_NAMESPACES = YES
FILE_VERSION_FILTER =
LAYOUT_FILE =
#---------------------------------------------------------------------------
# configuration options related to warning and progress messages
#---------------------------------------------------------------------------
QUIET = NO
WARNINGS = YES
WARN_IF_UNDOCUMENTED = YES
WARN_IF_DOC_ERROR = YES
WARN_NO_PARAMDOC = NO
WARN_FORMAT = "$file:$line: $text"
WARN_LOGFILE =
#---------------------------------------------------------------------------
# configuration options related to the input files
#---------------------------------------------------------------------------
INPUT = .
INPUT_ENCODING = UTF-8
FILE_PATTERNS =
RECURSIVE = YES
EXCLUDE =
EXCLUDE_SYMLINKS = NO
EXCLUDE_PATTERNS = */.git/*
EXCLUDE_SYMBOLS =
EXAMPLE_PATH =
EXAMPLE_PATTERNS =
EXAMPLE_RECURSIVE = NO
IMAGE_PATH =
INPUT_FILTER =
FILTER_PATTERNS =
FILTER_SOURCE_FILES = NO
#---------------------------------------------------------------------------
# configuration options related to source browsing
#---------------------------------------------------------------------------
SOURCE_BROWSER = NO
INLINE_SOURCES = NO
STRIP_CODE_COMMENTS = YES
REFERENCED_BY_RELATION = NO
REFERENCES_RELATION = NO
REFERENCES_LINK_SOURCE = YES
USE_HTAGS = NO
VERBATIM_HEADERS = YES
#---------------------------------------------------------------------------
# configuration options related to the alphabetical class index
#---------------------------------------------------------------------------
ALPHABETICAL_INDEX = NO
COLS_IN_ALPHA_INDEX = 5
IGNORE_PREFIX =
#---------------------------------------------------------------------------
# configuration options related to the HTML output
#---------------------------------------------------------------------------
GENERATE_HTML = YES
HTML_OUTPUT = html
HTML_FILE_EXTENSION = .html
HTML_HEADER =
HTML_FOOTER =
HTML_STYLESHEET =
HTML_TIMESTAMP = YES
HTML_ALIGN_MEMBERS = YES
HTML_DYNAMIC_SECTIONS = NO
GENERATE_DOCSET = NO
DOCSET_FEEDNAME = "Doxygen generated docs"
DOCSET_BUNDLE_ID = org.doxygen.Project
GENERATE_HTMLHELP = NO
CHM_FILE =
HHC_LOCATION =
GENERATE_CHI = NO
CHM_INDEX_ENCODING =
BINARY_TOC = NO
TOC_EXPAND = NO
GENERATE_QHP = NO
QCH_FILE =
QHP_NAMESPACE = org.doxygen.Project
QHP_VIRTUAL_FOLDER = doc
QHP_CUST_FILTER_NAME =
QHP_CUST_FILTER_ATTRS =
QHP_SECT_FILTER_ATTRS =
QHG_LOCATION =
GENERATE_ECLIPSEHELP = NO
ECLIPSE_DOC_ID = org.doxygen.Project
DISABLE_INDEX = NO
ENUM_VALUES_PER_LINE = 4
GENERATE_TREEVIEW = NO
USE_INLINE_TREES = NO
TREEVIEW_WIDTH = 250
FORMULA_FONTSIZE = 10
SEARCHENGINE = YES
SERVER_BASED_SEARCH = NO
#---------------------------------------------------------------------------
# configuration options related to the LaTeX output
#---------------------------------------------------------------------------
GENERATE_LATEX = YES
LATEX_OUTPUT = latex
LATEX_CMD_NAME = latex
MAKEINDEX_CMD_NAME = makeindex
COMPACT_LATEX = NO
PAPER_TYPE = a4wide
EXTRA_PACKAGES =
LATEX_HEADER =
PDF_HYPERLINKS = YES
USE_PDFLATEX = YES
LATEX_BATCHMODE = NO
LATEX_HIDE_INDICES = NO
LATEX_SOURCE_CODE = NO
#---------------------------------------------------------------------------
# configuration options related to the RTF output
#---------------------------------------------------------------------------
GENERATE_RTF = NO
RTF_OUTPUT = rtf
COMPACT_RTF = NO
RTF_HYPERLINKS = NO
RTF_STYLESHEET_FILE =
RTF_EXTENSIONS_FILE =
#---------------------------------------------------------------------------
# configuration options related to the man page output
#---------------------------------------------------------------------------
GENERATE_MAN = NO
MAN_OUTPUT = man
MAN_EXTENSION = .3
MAN_LINKS = NO
#---------------------------------------------------------------------------
# configuration options related to the XML output
#---------------------------------------------------------------------------
GENERATE_XML = NO
XML_OUTPUT = xml
XML_SCHEMA =
XML_DTD =
XML_PROGRAMLISTING = YES
#---------------------------------------------------------------------------
# configuration options for the AutoGen Definitions output
#---------------------------------------------------------------------------
GENERATE_AUTOGEN_DEF = NO
#---------------------------------------------------------------------------
# configuration options related to the Perl module output
#---------------------------------------------------------------------------
GENERATE_PERLMOD = NO
PERLMOD_LATEX = NO
PERLMOD_PRETTY = YES
PERLMOD_MAKEVAR_PREFIX =
#---------------------------------------------------------------------------
# Configuration options related to the preprocessor
#---------------------------------------------------------------------------
ENABLE_PREPROCESSING = YES
MACRO_EXPANSION = NO
EXPAND_ONLY_PREDEF = NO
SEARCH_INCLUDES = YES
INCLUDE_PATH =
INCLUDE_FILE_PATTERNS =
PREDEFINED =
EXPAND_AS_DEFINED =
SKIP_FUNCTION_MACROS = YES
#---------------------------------------------------------------------------
# Configuration::additions related to external references
#---------------------------------------------------------------------------
TAGFILES =
GENERATE_TAGFILE =
ALLEXTERNALS = NO
EXTERNAL_GROUPS = YES
PERL_PATH = /usr/bin/perl
#---------------------------------------------------------------------------
# Configuration options related to the dot tool
#---------------------------------------------------------------------------
CLASS_DIAGRAMS = YES
MSCGEN_PATH =
HIDE_UNDOC_RELATIONS = YES
HAVE_DOT = NO
DOT_FONTNAME = FreeSans
DOT_FONTSIZE = 10
DOT_FONTPATH =
CLASS_GRAPH = YES
COLLABORATION_GRAPH = YES
GROUP_GRAPHS = YES
UML_LOOK = NO
TEMPLATE_RELATIONS = NO
INCLUDE_GRAPH = YES
INCLUDED_BY_GRAPH = YES
CALL_GRAPH = NO
CALLER_GRAPH = NO
GRAPHICAL_HIERARCHY = YES
DIRECTORY_GRAPH = YES
DOT_IMAGE_FORMAT = png
DOT_PATH =
DOTFILE_DIRS =
DOT_GRAPH_MAX_NODES = 50
MAX_DOT_GRAPH_DEPTH = 0
DOT_TRANSPARENT = NO
DOT_MULTI_TARGETS = NO
GENERATE_LEGEND = YES
DOT_CLEANUP = YES

View file

@ -1,4 +1,4 @@
SRC = main.cpp
SRC = main.cpp ../util/flv_tag.cpp ../util/http_parser.cpp ../util/ddv_socket.cpp
OBJ = $(SRC:.cpp=.o)
OUT = Box_Parser
INCLUDES =

View file

@ -1,26 +1,40 @@
/// \file HTTP_Box_Parser/main.cpp
/// Debugging tool for F4M HTTP streaming data.
/// Expects raw TCP data through stdin, outputs human-readable information to stderr.
/// This will attempt to read either HTTP requests or responses from stdin, and if the body is more than
/// 10,000 bytes long will attempt to parse the data as a MP4 box. (Other cases show a message about the fragment being too small)
/// Then it will take the payload of this box, print the first four bytes, and attempt to parse the whole payload as FLV data.
/// The parsed FLV data is then pretty-printed, containing information about the codec parameters and types of tags it encounters.
#include <stdint.h>
#include <iostream>
#include <string>
#include <stdio.h>
#include "../util/http_parser.cpp"
#include "../util/http_parser.h"
#include "../util/MP4/box_includes.h"
#include "../util/flv_data.cpp"
#include "../util/flv_tag.h"
/// Debugging tool for F4M HTTP streaming data.
/// Expects raw TCP data through stdin, outputs human-readable information to stderr.
/// This will attempt to read either HTTP requests or responses from stdin, and if the body is more than
/// 10,000 bytes long will attempt to parse the data as a MP4 box. (Other cases show a message about the fragment being too small)
/// Then it will take the payload of this box, print the first four bytes, and attempt to parse the whole payload as FLV data.
/// The parsed FLV data is then pretty-printed, containing information about the codec parameters and types of tags it encounters.
int main(){
HTTPReader H;
FLV_Pack * F = 0;
HTTP::Parser H;
FLV::Tag F;
unsigned int P = 0;
char * Payload = 0;
while (H.ReadSocket(stdin) || H.CleanForNext()){
while (H.Read(stdin) || H.CleanForNext()){
if (H.body.size() > 10000){
Box * TestBox = new Box((uint8_t*)H.body.c_str(), H.body.size());
Payload = (char*)TestBox->GetPayload();
printf("First bytes: %2hhu %2hhu %2hhu %2hhu\n", Payload[0], Payload[1], Payload[2], Payload[3]);
P = 0;
while (TestBox->GetPayloadSize() > P){
if (FLV_GetPacket(F, Payload, TestBox->GetPayloadSize(), P)){
std::cout << "Got a " << F->len << " bytes " << F->tagType() << " FLV tag of time " << F->tagTime() << "." << std::endl;
if (F.MemLoader(Payload, TestBox->GetPayloadSize(), P)){
std::cout << "Got a " << F.len << " bytes " << F.tagType() << " FLV tag of time " << F.tagTime() << "." << std::endl;
}
}
delete TestBox;
@ -28,4 +42,4 @@ int main(){
std::cout << "Skipped too small fragment of size " << H.body.size() << std::endl;
}
}
}
}//main

View file

@ -1,4 +1,5 @@
default: client-install
.PHONY: client client-clean clean client-install docs
client:
cd Connector_HTTP; $(MAKE)
@ -11,9 +12,17 @@ client-clean:
cd Connector_RAW; $(MAKE) clean
cd Buffer; $(MAKE) clean
clean: client-clean
client-release: client-clean
cd Connector_HTTP; $(MAKE) DEBUG=0 OPTIMIZE=-O2
cd Connector_RTMP; $(MAKE) DEBUG=0 OPTIMIZE=-O2
cd Connector_RAW; $(MAKE) DEBUG=0 OPTIMIZE=-O2
cd Buffer; $(MAKE) DEBUG=0 OPTIMIZE=-O2
release: client-release
client-install: client-clean client
cd Connector_RTMP; $(MAKE) install
cd Connector_HTTP; $(MAKE) install
cd Connector_RAW; $(MAKE) install
cd Buffer; $(MAKE) install
docs:
doxygen ./Doxyfile > /dev/null

View file

@ -1,22 +0,0 @@
// C++ Socket Wrapper
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindstr<74>m
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#ifndef SocketW_H
#define SocketW_H
#include "sw_base.h"
#include "sw_unix.h"
#include "sw_inet.h"
#endif //SocketW_H

View file

@ -1,764 +0,0 @@
// C++ Socket Wrapper
// SocketW base class
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindstr<74>m
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#include "sw_base.h"
#include <errno.h>
#include <new>
#include <time.h>
#include <stdio.h>
#include <string.h>
#ifndef __WIN32__
#include <netdb.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <sys/select.h>
#include <sys/time.h>
#define INVALID_SOCKET -1 //avoid M$ braindamage
#else
//why use POSIX standards when we can make our own
//and frustrate people? (well known M$ policy)
#ifndef EBADF
#define EBADF WSAEBADF
#endif
#define ENOTSOCK WSAENOTSOCK
#define EOPNOTSUPP WSAEOPNOTSUPP
#define EADDRINUSE WSAEADDRINUSE
#define EWOULDBLOCK WSAEWOULDBLOCK
#define EMSGSIZE WSAEMSGSIZE
#define EINPROGRESS WSAEINPROGRESS
#define EALREADY WSAEALREADY
#define ECONNREFUSED WSAECONNREFUSED
#define ETIMEDOUT WSAETIMEDOUT
#define ENOTCONN WSAENOTCONN
#ifndef EINTR
#define EINTR WSAEINTR
#endif
#endif
#ifndef MSG_NOSIGNAL
#define MSG_NOSIGNAL 0
#endif
// Socklen hack
#if defined(__linux__) || defined(__FreeBSD__) // || defined(__bsdi__) || defined(__NetBSD__) too, perhaps? Bugreports, please!
#define sw_socklen_t socklen_t
#elif defined(__WIN32__) || defined(__osf__)
#define sw_socklen_t int
#else
#define sw_socklen_t unsigned int
#endif
using namespace std;
#ifdef __WIN32__
//Win32 braindamage
int close(int fd)
{
return closesocket(fd);
}
int fcntl(int fd, int cmd, long arg)
{
unsigned long mode = arg;
return WSAIoctl(fd, cmd, &mode, sizeof(unsigned long), NULL, 0, NULL, NULL, NULL);
}
void WSA_exit(void)
{
WSACleanup();
}
#endif
//====================================================================
//== Error handling mode
//====================================================================
bool sw_DoThrow = false;
bool sw_Verbose = true;
void sw_setThrowMode(bool throw_errors)
{
sw_DoThrow = throw_errors;
}
void sw_setVerboseMode(bool verbose)
{
sw_Verbose = verbose;
}
bool sw_getThrowMode(void)
{
return sw_DoThrow;
}
bool sw_getVerboseMode(void)
{
return sw_Verbose;
}
//====================================================================
//== Base error class
//====================================================================
SWBaseSocket::SWBaseError::SWBaseError()
{
be = ok;
error_string = "";
failed_class = NULL;
}
SWBaseSocket::SWBaseError::SWBaseError(base_error e)
{
be = e;
error_string = "";
failed_class = NULL;
}
string SWBaseSocket::SWBaseError::get_error()
{
return error_string;
}
SWBaseSocket* SWBaseSocket::SWBaseError::get_failedClass(void)
{
return failed_class;
}
void SWBaseSocket::SWBaseError::set_errorString(string msg)
{
error_string = msg;
}
void SWBaseSocket::SWBaseError::set_failedClass(SWBaseSocket *pnt)
{
failed_class = pnt;
}
bool SWBaseSocket::SWBaseError::operator==(SWBaseError e)
{
return be == e.be;
}
bool SWBaseSocket::SWBaseError::operator!=(SWBaseError e)
{
return be != e.be;
}
//====================================================================
//== SWBaseSocket
//== Base class for sockets
//====================================================================
SWBaseSocket::SWBaseSocket()
{
//indicate nonopen
myfd = -1;
recv_close = false;
//init values
error_string = "";
block_mode = blocking;
fsend_ready = true;
frecv_ready = true;
tsec = 0;
tusec = 0;
#ifdef __WIN32__
//kick winsock awake
static bool firstuse = true;
if( firstuse == true ){
WSAData wsaData;
int nCode;
if( (nCode = WSAStartup(MAKEWORD(1, 1), &wsaData)) != 0 ){
handle_errno(NULL, "SWBaseSocket - WSAStartup() failed: ");
exit(-1); // Should never happend
}
//cleanup at exit
atexit(WSA_exit);
firstuse = false;
}
#endif /* __WIN32__ */
}
SWBaseSocket::~SWBaseSocket()
{
if(myfd > 0)
close(myfd);
}
bool SWBaseSocket::listen(int qLimit, SWBaseError *error)
{
get_socket();
//Avoid "Address already in use" thingie
char yes=1;
setsockopt(myfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
if(::listen(myfd, qLimit) == -1){
handle_errno(error, "SWBaseSocket::listen() error: ");
return false;
}
no_error(error);
return true;
}
SWBaseSocket* SWBaseSocket::accept(SWBaseError *error)
{
int remotefd = -1;
sockaddr remoteAdr;
if( !waitRead(error) )
return NULL;
sw_socklen_t ssize = sizeof(sockaddr);
if((remotefd = ::accept(myfd, &remoteAdr, &ssize)) == int(INVALID_SOCKET)){
handle_errno(error, "SWBaseSocket::accept() error: ");
return NULL;
}
//nonblocking?
if( block_mode == nonblocking )
fcntl(remotefd, F_SETFL, O_NONBLOCK);
/* Create new class*/
SWBaseSocket* remoteClass = create(remotefd, error);
if( remoteClass == NULL )
return NULL;
no_error(error);
return remoteClass;
}
bool SWBaseSocket::disconnect(SWBaseError *error)
{
int n = 0;
char buf[256];
if(myfd < 0){
set_error(error, notConnected, "SWBaseSocket::disconnect() - No connection");
return false;
}
//close WR (this signals the peer)
if( shutdown(myfd, 1) != 0 ){
handle_errno(error, "SWBaseSocket::disconnect() error: ");
return false;
}
SWBaseError err;
//wait for close signal from peer
if( recv_close == false ){
while(true){
if( !waitRead(error) )
return false;
n = recv(buf, 256, &err);
if( n <= 0 )
break;
if(block_mode == noWait){
//we don't want to block
set_error(error, notReady, "SWBaseSocket::disconnect() - Need more time, call again");
return false;
}
}
}
if( n != 0 ){
set_error(error, err, error_string);
return false; //error
}
//reset state
reset();
close(myfd);
myfd = -1;
no_error(error);
return true;
}
bool SWBaseSocket::close_fd()
{
if( myfd > 0 ){
close(myfd);
myfd = -1;
//reset state
reset();
return true;
}
return false;
}
int SWBaseSocket::send(const char *buf, int bytes, SWBaseError *error)
{
int ret;
if(myfd < 0){
set_error(error, notConnected, "SWBaseSocket::send() - No connection");
return -1;
}
if( !waitWrite(error) )
return -1;
ret = ::send(myfd, buf, bytes, MSG_NOSIGNAL);
if( ret < 0 )
handle_errno(error, "SWBaseSocket::send() error: ");
else
no_error(error);
return ret;
}
int SWBaseSocket::fsend(const char *buf, int bytes, SWBaseError *error)
{
int n;
int bytessent;
if(fsend_ready){
//First call
fsend_bytesleft = bytes;
fsend_total = fsend_bytesleft; //global var needed for resume
bytessent = 0;
fsend_ready = false; //point of no return
}
else{
//resume
bytessent = fsend_total - fsend_bytesleft;
}
//send package
while( fsend_bytesleft > 0 ){
n = send( buf + bytessent , fsend_bytesleft, error );
//return on error, wouldblock or nowait
if( n < 0 )
return ( (bytessent > 0 )? -bytessent : -1 );
bytessent += n;
fsend_bytesleft -= n;
if ( block_mode == noWait && fsend_bytesleft > 0 ){
set_error(error, notReady, "SWBaseSocket::fsend() - Need more time, call again");
return -bytessent;
}
}
fsend_ready = true;
no_error(error);
return fsend_total;
}
int SWBaseSocket::sendmsg(const string msg, SWBaseError *error)
{
return send(msg.c_str(), msg.size(), error);
}
int SWBaseSocket::fsendmsg(const string msg, SWBaseError *error)
{
return fsend(msg.c_str(), msg.size(), error);
}
int SWBaseSocket::recv(char *buf, int bytes, SWBaseError *error)
{
int ret;
if(myfd < 0){
set_error(error, notConnected, "SWBaseSocket::recv() - No connection");
return -1;
}
if( !waitRead(error) )
return -1;
ret = ::recv(myfd, buf, bytes, MSG_NOSIGNAL);
if( ret < 0 )
handle_errno(error, "SWBaseSocket::recv() error: ");
else if( ret == 0 ){
recv_close = true; //we recived a close signal from peer
set_error(error, terminated, "SWBaseSocket::recv() - Connection terminated by peer");
}else
no_error(error);
return ret;
}
int SWBaseSocket::frecv(char *buf, int bytes, SWBaseError *error)
{
int n;
int bytesrecv;
if(frecv_ready){
//First call
frecv_bytesleft = bytes;
frecv_total = frecv_bytesleft; //global var needed for resume
bytesrecv = 0;
frecv_ready = false; //point of no return
}
else{
//resume
bytesrecv = frecv_total - frecv_bytesleft;
}
//recv package
while( frecv_bytesleft > 0 ){
n = recv( buf + bytesrecv , frecv_bytesleft, error );
//return on error, wouldblock, nowait or timeout
if( n < 0 )
return ( (bytesrecv > 0 )? -bytesrecv : -1 );
if( n == 0 )
return 0; // terminated
bytesrecv += n;
frecv_bytesleft -= n;
if ( block_mode == noWait && frecv_bytesleft > 0 ){
set_error(error, notReady, "SWBaseSocket::frecv() - Need more time, call again");
return -bytesrecv;
}
}
frecv_ready = true;
no_error(error);
return frecv_total;
}
string SWBaseSocket::recvmsg(int bytes, SWBaseError *error)
{
char *buf = new char[bytes+1];
SWBaseError err;
string msg = "";
int ret = recv(buf, bytes, &err);
if( ret > 0 ){
buf[ret]='\0'; // Make sure the string is null terminated
msg = buf;
no_error(error);
}
delete[] buf;
if( ret < 1 )
set_error(error, err, err.get_error());
return msg;
}
int SWBaseSocket::get_fd(SWBaseError *error)
{
if( myfd > 0 ){
no_error(error);
return myfd;
}
set_error(error, notConnected, "SWBaseSocket::get_fd() - No descriptor");
return -1;
}
bool SWBaseSocket::get_host(sockaddr *host, SWBaseError *error)
{
if( host == NULL){
set_error(error, fatal, "SWBaseSocket::get_host() - Got NULL pointer");
return false;
}
if(myfd < 0){
set_error(error, notConnected, "SWBaseSocket::get_host() - No socket");
return false;
}
sw_socklen_t tmp = sizeof(sockaddr);
if( getsockname(myfd, host, &tmp) != 0 ){
handle_errno(error, "SWBaseSocket::get_host() error: ");
return false;
}
no_error(error);
return true;
}
bool SWBaseSocket::get_peer(sockaddr *peer, SWBaseError *error)
{
if( peer == NULL){
set_error(error, fatal, "SWBaseSocket::get_peer() - Got NULL pointer");
return false;
}
if(myfd > 0){
sw_socklen_t tmp = sizeof(sockaddr);
if( getpeername(myfd, peer, &tmp) != 0 ){
handle_errno(error, "SWBaseSocket::get_peer() error: ");
return false;
}
}else{
set_error(error, notConnected, "SWBaseSocket::get_peer() - No connection");
return false;
}
no_error(error);
return true;
}
void SWBaseSocket::reset()
{
// Reset flags
recv_close = false;
fsend_ready = true;
frecv_ready = true;
}
bool SWBaseSocket::waitIO(io_type &type, SWBaseError *error)
{
if( block_mode != blocking ){
no_error(error);
return true;
}
// We prefere to wait with select() even if no timeout is set
// as select() behaves more predictable
timeval t;
timeval *to = NULL; // Indicate "wait for ever"
t.tv_sec = tsec;
t.tv_usec = tusec;
if( tsec > 0 || tusec > 0 )
to = &t;
fd_set readfds, writefds, exceptfds;
FD_ZERO(&readfds);
FD_ZERO(&writefds);
FD_ZERO(&exceptfds);
FD_SET(myfd, &readfds);
FD_SET(myfd, &writefds);
FD_SET(myfd, &exceptfds);
int ret = 0;
switch (type){
case read:
ret = select(myfd+1, &readfds, NULL, NULL, to);
break;
case write:
ret = select(myfd+1, NULL, &writefds, NULL, to);
break;
case except:
ret = select(myfd+1, NULL, NULL, &exceptfds, to);
break;
case rw:
ret = select(myfd+1, &readfds, &writefds, NULL, to);
break;
case all:
ret = select(myfd+1, &readfds, &writefds, &exceptfds, to);
break;
}
if( ret < 0 ){
handle_errno(error, "SWBaseSocket::waitIO() error: ");
return false;
}
if( ret == 0 ){
set_error(error, timeout, "SWBaseSocket::waitIO() timeout");
return false;
}
if( FD_ISSET(myfd, &readfds) ){
no_error(error);
type = read;
return true;
}
if( FD_ISSET(myfd, &writefds) ){
no_error(error);
type = write;
return true;
}
if( FD_ISSET(myfd, &exceptfds) ){
no_error(error);
type = except;
return true;
}
set_error(error, fatal, "SWBaseSocket::waitIO() failed on select()");
return false;
}
bool SWBaseSocket::waitRead(SWBaseError *error)
{
io_type tmp = read;
return waitIO(tmp, error);
}
bool SWBaseSocket::waitWrite(SWBaseError *error)
{
io_type tmp = write;
return waitIO(tmp, error);
}
void SWBaseSocket::print_error()
{
if( error_string.size() > 0 )
fprintf(stderr, "%s!\n", error_string.c_str());
}
void SWBaseSocket::handle_errno(SWBaseError *error, string msg)
{
#ifndef __WIN32__
msg += strerror(errno);
#else
//stupid stupid stupid stupid M$
switch (WSAGetLastError()){
case 0: msg += "No error"; break;
case WSAEINTR: msg += "Interrupted system call"; break;
case WSAEBADF: msg += "Bad file number"; break;
case WSAEACCES: msg += "Permission denied"; break;
case WSAEFAULT: msg += "Bad address"; break;
case WSAEINVAL: msg += "Invalid argument"; break;
case WSAEMFILE: msg += "Too many open sockets"; break;
case WSAEWOULDBLOCK: msg += "Operation would block"; break;
case WSAEINPROGRESS: msg += "Operation now in progress"; break;
case WSAEALREADY: msg += "Operation already in progress"; break;
case WSAENOTSOCK: msg += "Socket operation on non-socket"; break;
case WSAEDESTADDRREQ: msg += "Destination address required"; break;
case WSAEMSGSIZE: msg += "Message too long"; break;
case WSAEPROTOTYPE: msg += "Protocol wrong type for socket"; break;
case WSAENOPROTOOPT: msg += "Bad protocol option"; break;
case WSAEPROTONOSUPPORT: msg += "Protocol not supported"; break;
case WSAESOCKTNOSUPPORT: msg += "Socket type not supported"; break;
case WSAEOPNOTSUPP: msg += "Operation not supported on socket"; break;
case WSAEPFNOSUPPORT: msg += "Protocol family not supported"; break;
case WSAEAFNOSUPPORT: msg += "Address family not supported"; break;
case WSAEADDRINUSE: msg += "Address already in use"; break;
case WSAEADDRNOTAVAIL: msg += "Can't assign requested address"; break;
case WSAENETDOWN: msg += "Network is down"; break;
case WSAENETUNREACH: msg += "Network is unreachable"; break;
case WSAENETRESET: msg += "Net connection reset"; break;
case WSAECONNABORTED: msg += "Software caused connection abort"; break;
case WSAECONNRESET: msg += "Connection reset by peer"; break;
case WSAENOBUFS: msg += "No buffer space available"; break;
case WSAEISCONN: msg += "Socket is already connected"; break;
case WSAENOTCONN: msg += "Socket is not connected"; break;
case WSAESHUTDOWN: msg += "Can't send after socket shutdown"; break;
case WSAETOOMANYREFS: msg += "Too many references"; break;
case WSAETIMEDOUT: msg += "Connection timed out"; break;
case WSAECONNREFUSED: msg += "Connection refused"; break;
case WSAELOOP: msg += "Too many levels of symbolic links"; break;
case WSAENAMETOOLONG: msg += "File name too long"; break;
case WSAEHOSTDOWN: msg += "Host is down"; break;
case WSAEHOSTUNREACH: msg += "No route to host"; break;
case WSAENOTEMPTY: msg += "Directory not empty"; break;
case WSAEPROCLIM: msg += "Too many processes"; break;
case WSAEUSERS: msg += "Too many users"; break;
case WSAEDQUOT: msg += "Disc quota exceeded"; break;
case WSAESTALE: msg += "Stale NFS file handle"; break;
case WSAEREMOTE: msg += "Too many levels of remote in path"; break;
case WSASYSNOTREADY: msg += "Network system is unavailable"; break;
case WSAVERNOTSUPPORTED: msg += "Winsock version out of range"; break;
case WSANOTINITIALISED: msg += "WSAStartup not yet called"; break;
case WSAEDISCON: msg += "Graceful shutdown in progress"; break;
case WSAHOST_NOT_FOUND: msg += "Host not found"; break;
case WSANO_DATA: msg += "No host data of that type was found"; break;
default: msg += "Unknown Winsock error: " + WSAGetLastError(); break;
}
#endif
int errorno;
//Win32 braindamage
#ifdef __WIN32__
errorno = WSAGetLastError();
#else
errorno = errno;
#endif
SWBaseError e;
if( errorno == EADDRINUSE )
e = portInUse;
else if( errorno == EAGAIN || errorno == EWOULDBLOCK )
e = notReady;
else if( errorno == EMSGSIZE )
e = msgTooLong;
else if( errorno == EINPROGRESS || errorno == EALREADY )
e = notReady;
else if( errorno == ECONNREFUSED || errorno == ETIMEDOUT )
e = noResponse;
else if( errorno == ENOTCONN || errorno == EBADF || errorno == ENOTSOCK )
e = notConnected;
else if( errorno == EPIPE ){
e = terminated;
recv_close = true;
}else if( errorno == EINTR )
e = interrupted;
else
e = fatal; //default
set_error(error, e, msg);
}
void SWBaseSocket::no_error(SWBaseError *error)
{
if(error != NULL){
*error = ok;
error->error_string = "";
error->failed_class = NULL;
}
}
void SWBaseSocket::set_error(SWBaseError *error, SWBaseError name, string msg)
{
error_string = msg;
if(error != NULL){
*error = name;
error->error_string = msg;
error->failed_class = this;
}else{
if( sw_Verbose )
print_error();
if( sw_DoThrow ){
SWBaseError e;
e = name;
e.error_string = msg;
e.failed_class = this;
throw e;
}
}
}

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@ -1,205 +0,0 @@
// C++ Socket Wrapper
// SocketW base socket header
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindström
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#ifndef sw_base_H
#define sw_base_H
#include "sw_internal.h"
#include <unistd.h>
#include <string>
// Set error handling mode
// throw_errors == true : Throws the error class on unhandled errors
// throw_errors == false : Exit on unhandled errors
// verbose == true : Prints the error message to stderr on unhandled errors
//
// Default is throw_errors == false and verbose == true
void sw_setThrowMode(bool throw_errors);
void sw_setVerboseMode(bool verbose);
bool sw_getThrowMode(void);
bool sw_getVerboseMode(void);
// Abstract base class for streaming sockets
class DECLSPEC SWBaseSocket
{
public:
SWBaseSocket();
virtual ~SWBaseSocket();
// Error types
// ok - operation succesful
// fatal - unspecified error
// notReady - you should call the function again
// indicates that the function would block (if nowait/nonblocking)
// portInUse - this port is used by another socket ( on listen() )
// notConnected - socket not connected (or valid)
// msgTooLong - the message size it too big for send()
// terminated - connection terminated (by peer)
// noResponse - can't connect() to peer
// timeout - a read/write operation timed out (only if a timeout value is set and if in blocking mode)
// interrupted - operation was interrupted by a nonblocked signal
enum base_error{ok, fatal, notReady, portInUse, notConnected, msgTooLong, terminated, noResponse, timeout, interrupted};
class DECLSPEC SWBaseError
{
public:
SWBaseError();
SWBaseError(base_error e);
virtual ~SWBaseError(){;}
virtual std::string get_error();
virtual SWBaseSocket* get_failedClass(void);
virtual bool operator==(SWBaseError e);
virtual bool operator!=(SWBaseError e);
virtual void set_errorString(std::string msg);
virtual void set_failedClass(SWBaseSocket *pnt);
protected:
friend class SWBaseSocket;
// The base error type
base_error be;
// Human readable error string
std::string error_string;
// A pointer to the class causing the error
SWBaseSocket *failed_class;
};
// Note: If no SWBaseError class is provided with a method call (==NULL),
// SocketW will print the error to stderr and exit or throw on errors.
// Note: All bool functions returns true on success.
// Block mode
// blocking - everythings blocks until completly done
// noWait - operations block but only once
// useful with blocking w. select()
// nonblocking - don't block (you should use select())
enum block_type{nonblocking, noWait, blocking};
// Connection methods
// qLimit - the maximum length the queue of pending connections.
// Accept returns a new socket class connected with peer (should be
// freed with delete) or NULL on failure. You can cast the class to
// the correct type if you need to ( eg. (SWInetSocket *)mysocket ).
virtual bool listen(int qLimit = 5, SWBaseError *error = NULL);
virtual SWBaseSocket* accept(SWBaseError *error = NULL);
// bind() and connect() are implemented in child classes
// do the disconnect ritual (signal peer, wait for close singal and close socket)
virtual bool disconnect(SWBaseError *error = NULL);
// force close socket
virtual bool close_fd(); //use with care, disconnect() is cleaner
// Direct I/O (raw)
// Can send/recv less bytes than specified!
// Returns the actual amount of bytes sent/recv on sucess
// and an negative integer on failure.
virtual int send(const char *buf, int bytes, SWBaseError *error = NULL);
virtual int sendmsg(const std::string msg, SWBaseError *error = NULL);
virtual int recv(char *buf, int bytes, SWBaseError *error = NULL);
virtual std::string recvmsg(int bytes = 256, SWBaseError *error = NULL);
// Forced I/O
// Force system to send/recv the specified amount of bytes.
// On nowait/nonblocking: might return with notReady and then you
// MUST call the same method again (eg. wait with select() to know when)
// with the same parameters until the operation is finished.
// Returns 'bytes' when finished, negative integer on failure and
// 'notReady'. In the 'notReady' case, -(return value) is the amount of
// bytes sent/recv so far.
virtual int fsend(const char *buf, int bytes, SWBaseError *error = NULL);
virtual int fsendmsg(const std::string msg, SWBaseError *error = NULL);
virtual int frecv(char *buf, int bytes, SWBaseError *error = NULL);
// Tools
// get_fd() - get socket descriptor, can be used with select()
// returns -1 on failure.
// get_host/peer fills the provided structures with info about the
// host/peer (see man unix & ip).
// SWInetSocket has some more tools for TCP/IP sockets.
virtual int get_fd(SWBaseError *error);
virtual bool get_host(sockaddr *host, SWBaseError *error = NULL);
virtual bool get_peer(sockaddr *peer, SWBaseError *error = NULL);
// Set recv timeout (only in blocking mode).
// set_timeout(0,0) means wait forever (default).
// This affects the functions recv(), send(), accept() and disconnect()
// and others that use those, i.e. all frecvmsg().
void set_timeout(Uint32 sec, Uint32 usec){ tsec = sec, tusec = usec; }
// Error handling
virtual void print_error(); //prints the last error if any to stderr
virtual std::string get_error(){return error_string;} //returns a human readable error string
protected:
// get a new socket if myfd < 0
virtual void get_socket()=0;
// create a new class for accept() using socketdescriptor
virtual SWBaseSocket* create(int socketdescriptor, SWBaseError *error)=0;
// reset state
virtual void reset();
// wait for I/O (with timeout)
enum io_type{read, write, except, rw, all};
virtual bool waitIO(io_type &type, SWBaseError *error);
bool waitRead(SWBaseError *error);
bool waitWrite(SWBaseError *error);
// internal error handling
virtual void handle_errno(SWBaseError *error, std::string msg);
virtual void no_error(SWBaseError *error);
virtual void set_error(SWBaseError *error, SWBaseError name, std::string msg);
// our socket descriptor
int myfd;
// last error
std::string error_string;
// data for fsend
bool fsend_ready;
int fsend_total;
int fsend_bytesleft;
// data for frecv
bool frecv_ready;
int frecv_total;
int frecv_bytesleft;
// have we recived a shutdown signal?
bool recv_close;
//blocking mode (set by child classes)
block_type block_mode;
//timeout for waitIO()
int tsec;
int tusec;
};
#endif /* sw_base_H */

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@ -1,249 +0,0 @@
// C++ Socket Wrapper
// SocketW Inet socket
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindström
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#include "sw_inet.h"
#ifndef __WIN32__
#include <netdb.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <sys/select.h>
#include <sys/time.h>
#else
#define F_SETFL FIONBIO
#define O_NONBLOCK 1
//Defined in sw_base.cxx
extern int close(int fd);
extern int fcntl(int fd, int cmd, long arg);
#endif
using namespace std;
//====================================================================
//== SWInetSocket
//== Inet (TCP/IP) streaming sockets
//====================================================================
SWInetSocket::SWInetSocket(block_type block)
{
block_mode = block;
}
SWInetSocket::~SWInetSocket()
{
}
void SWInetSocket::get_socket()
{
if( myfd < 0 ){
myfd = socket(PF_INET, SOCK_STREAM, 0);
if( block_mode == nonblocking )
fcntl(myfd, F_SETFL, O_NONBLOCK);
//reset state
reset();
}
}
SWBaseSocket* SWInetSocket::create(int socketdescriptor, SWBaseError *error)
{
SWInetSocket* remoteClass;
/* Create new class*/
remoteClass = new SWInetSocket(block_mode);
remoteClass->myfd = socketdescriptor;
no_error(error);
return remoteClass;
}
bool SWInetSocket::bind(int port, SWBaseError *error)
{
return bind(port, "", error);
}
bool SWInetSocket::bind(int port, string host, SWBaseError *error)
{
hostent *h;
in_addr inp;
if( host.size() > 0 ){
// Bind to a specific address
if( (h = gethostbyname(host.c_str())) == NULL ){
set_error(error, fatal, "SWInetSocket::bind() - Can't get host by name");
return false;
}
inp = *((in_addr *)h->h_addr);
}else{
// Bind to any
inp.s_addr = INADDR_ANY;
}
get_socket();
sockaddr_in myAdr;
memset(&myAdr, 0, sizeof(myAdr));
myAdr.sin_family = AF_INET;
myAdr.sin_port = htons(port);
myAdr.sin_addr.s_addr = inp.s_addr;
if(::bind(myfd, (sockaddr *)&myAdr, sizeof(myAdr)) == -1){
handle_errno(error, "SWInetSocket::bind() error: ");
return false;
}
no_error(error);
return true;
}
bool SWInetSocket::connect(int port, string hostname, SWBaseError *error)
{
get_socket();
hostent *host;
if( (host = gethostbyname(hostname.c_str())) == NULL ){
set_error(error, fatal, "SWInetSocket::connect() - Can't get host by name");
return false;
}
sockaddr_in remoteAdr;
memset(&remoteAdr, 0, sizeof(remoteAdr));
remoteAdr.sin_family = AF_INET;
remoteAdr.sin_port = htons(port);
remoteAdr.sin_addr = *((in_addr *)host->h_addr);
if(::connect(myfd, (sockaddr *)&remoteAdr, sizeof(remoteAdr)) == -1){
handle_errno(error, "SWInetSocket::connect() error: ");
return false;
}
no_error(error);
return true;
}
string SWInetSocket::get_peerAddr(SWBaseError *error)
{
sockaddr_in adr;
if( !get_peer((sockaddr *)&adr, error) )
return "";
char *pnt;
if( (pnt = inet_ntoa(adr.sin_addr)) == NULL ){
set_error(error, fatal, "SWInetSocket::get_peerName() - Can't get peer address");
return "";
}
string name(pnt);
no_error(error);
return name;
}
int SWInetSocket::get_peerPort(SWBaseError *error)
{
sockaddr_in adr;
if( !get_peer((sockaddr *)&adr, error) )
return -1;
no_error(error);
return ntohs(adr.sin_port);
}
string SWInetSocket::get_peerName(SWBaseError *error)
{
string name = get_peerAddr(error);
if(name.size() < 1)
return "";
hostent *h;
if( (h = gethostbyname(name.c_str())) == NULL ){
set_error(error, fatal, "SWInetSocket::get_peerName() - Can't get peer by address");
return "";
}
string host_name(h->h_name);
no_error(error);
return host_name;
}
string SWInetSocket::get_hostAddr(SWBaseError *error)
{
//We need to get the real address, so we must
//first get this computers host name and then
//translate that into an address!
string name = get_hostName(error);
if( name.size() < 1 )
return "";
hostent *host;
if( (host = gethostbyname(name.c_str())) == NULL ){
set_error(error, fatal, "SWInetSocket::get_hostAddr() - Can't get host by name");
return "";
}
char *pnt;
if( (pnt = inet_ntoa(*((in_addr *)host->h_addr))) == NULL){
set_error(error, fatal, "SWInetSocket::get_hostAddr() - Can't get host address");
return "";
}
string adr(pnt);
return adr;
}
int SWInetSocket::get_hostPort(SWBaseError *error)
{
sockaddr_in adr;
if( !get_host((sockaddr *)&adr, error) )
return -1;
no_error(error);
return ntohs(adr.sin_port);
}
string SWInetSocket::get_hostName(SWBaseError *error)
{
char buf[256];
if( gethostname(buf, 256) != 0 ){
handle_errno(error, "SWInetSocket::gethostname() error: ");
return "";
}
string msg(buf);
no_error(error);
return msg;
}

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@ -1,48 +0,0 @@
// C++ Socket Wrapper
// SocketW Inet socket header
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindström
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#ifndef sw_inet_H
#define sw_inet_H
#include "sw_internal.h"
#include "sw_base.h"
#include <string>
// Simple streaming TCP/IP class
class DECLSPEC SWInetSocket : public SWBaseSocket
{
public:
SWInetSocket(block_type block=blocking);
virtual ~SWInetSocket();
virtual bool bind(int port, SWBaseError *error = NULL); //use port=0 to get any free port
virtual bool bind(int port, std::string host, SWBaseError *error = NULL); //you can also specify the host interface to use
virtual bool connect(int port, std::string hostname, SWBaseError *error = NULL);
// Tools
// Gets IP addr, name or port.
virtual std::string get_peerAddr(SWBaseError *error = NULL);
virtual int get_peerPort(SWBaseError *error = NULL);
virtual std::string get_peerName(SWBaseError *error = NULL);
virtual std::string get_hostAddr(SWBaseError *error = NULL);
virtual int get_hostPort(SWBaseError *error = NULL);
virtual std::string get_hostName(SWBaseError *error = NULL);
protected:
virtual void get_socket();
virtual SWBaseSocket* create(int socketdescriptor, SWBaseError *error);
};
#endif /* sw_inet_H */

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@ -1,75 +0,0 @@
// C++ Socket Wrapper
// SocketW internal header
//
// Started 030823
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindstr<74>m
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#ifndef sw_internal_H
#define sw_internal_H
// This header is included in all *.h files
#ifndef __WIN32__
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#else
#include <winsock2.h>
#define F_SETFL FIONBIO
#define O_NONBLOCK 1
#endif
#ifndef _SDL_H
// Define general types
typedef unsigned char Uint8;
typedef signed char Sint8;
typedef unsigned short Uint16;
typedef signed short Sint16;
typedef unsigned int Uint32;
typedef signed int Sint32;
// It's VERY important that these types really have the right sizes!
// This black magic is from SDL
#define COMPILE_TIME_ASSERT(name, x) \
typedef int _dummy_ ## name[(x) * 2 - 1]
COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
#undef COMPILE_TIME_ASSERT
#endif /* _SDL_H */
// Some compilers use a special export keyword
#ifndef DECLSPEC
#ifdef __BEOS__
#if defined(__GNUC__)
#define DECLSPEC __declspec(dllexport)
#else
#define DECLSPEC __declspec(export)
#endif
#else
#ifdef WIN32
#define DECLSPEC __declspec(dllexport)
#else
#define DECLSPEC
#endif
#endif
#endif
#endif /* sw_internal_H */

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@ -1,99 +0,0 @@
// C++ Socket Wrapper
// SocketW Unix socket
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindström
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#include "sw_unix.h"
#include <fcntl.h>
using namespace std;
//====================================================================
//== SWUnixSocket
//== Unix streaming sockets
//====================================================================
#ifndef __WIN32__
SWUnixSocket::SWUnixSocket(block_type block)
{
block_mode = block;
}
SWUnixSocket::~SWUnixSocket()
{
//nothing here
}
void SWUnixSocket::get_socket()
{
if( myfd < 0 ){
myfd = socket(PF_UNIX, SOCK_STREAM, 0);
if( block_mode == nonblocking )
fcntl(myfd, F_SETFL, O_NONBLOCK);
//reset state
reset();
}
}
SWBaseSocket* SWUnixSocket::create(int socketdescriptor, SWBaseError *error)
{
SWUnixSocket* remoteClass;
/* Create new class*/
remoteClass = new SWUnixSocket(block_mode);
remoteClass->myfd = socketdescriptor;
no_error(error);
return remoteClass;
}
bool SWUnixSocket::bind(string path, SWBaseError *error)
{
get_socket();
sockaddr_un myAdr;
myAdr.sun_family = AF_UNIX;
strncpy(myAdr.sun_path, path.c_str(), path.size()+1);
if(::bind(myfd, (sockaddr *)&myAdr, sizeof(myAdr)) == -1){
handle_errno(error, "SWUnixSocket::bind() error: ");
return false;
}
no_error(error);
return true;
}
bool SWUnixSocket::connect(string path, SWBaseError *error)
{
get_socket();
sockaddr_un remoteAdr;
remoteAdr.sun_family = AF_UNIX;
strncpy(remoteAdr.sun_path, path.c_str(), path.size()+1);
if(::connect(myfd, (sockaddr *)&remoteAdr, sizeof(remoteAdr)) == -1){
handle_errno(error, "SWUnixSocket::connect() error: ");
return false;
}
no_error(error);
return true;
}
#endif /* __WIN32__ */

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@ -1,41 +0,0 @@
// C++ Socket Wrapper
// SocketW Unix socket header
//
// Started 020316
//
// License: LGPL v2.1+ (see the file LICENSE)
// (c)2002-2003 Anders Lindström
/***********************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
***********************************************************************/
#ifndef sw_unix_H
#define sw_unix_H
#ifndef __WIN32__
#include "sw_internal.h"
#include "sw_base.h"
#include <string>
// Simple streaming Unix class
class DECLSPEC SWUnixSocket : public SWBaseSocket
{
public:
SWUnixSocket(block_type block=blocking);
~SWUnixSocket();
// bind and connect to the socket file "path"
virtual bool bind(std::string path, SWBaseError *error = NULL);
virtual bool connect(std::string path, SWBaseError *error = NULL);
protected:
virtual void get_socket();
virtual SWBaseSocket* create(int socketdescriptor, SWBaseError *error);
};
#endif /* __WIN32__ */
#endif /* sw_unix_H */

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@ -1,5 +1,6 @@
#pragma once
#include <arpa/inet.h>
#include <stdint.h>
#include <cstdlib>
#include <cstdio>

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129
util/amf.h Normal file
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/// \file amf.h
/// Holds all headers for the AMF namespace.
#pragma once
#include <vector>
#include <iostream>
//#include <string.h>
#include <string>
/// Holds all AMF parsing and creation related functions and classes.
namespace AMF{
/// Enumerates all possible AMF0 types, adding a special DDVTECH container type for ease of use.
enum obj0type {
AMF0_NUMBER = 0x00,
AMF0_BOOL = 0x01,
AMF0_STRING = 0x02,
AMF0_OBJECT = 0x03,
AMF0_MOVIECLIP = 0x04,
AMF0_NULL = 0x05,
AMF0_UNDEFINED = 0x06,
AMF0_REFERENCE = 0x07,
AMF0_ECMA_ARRAY = 0x08,
AMF0_OBJ_END = 0x09,
AMF0_STRICT_ARRAY = 0x0A,
AMF0_DATE = 0x0B,
AMF0_LONGSTRING = 0x0C,
AMF0_UNSUPPORTED = 0x0D,
AMF0_RECORDSET = 0x0E,
AMF0_XMLDOC = 0x0F,
AMF0_TYPED_OBJ = 0x10,
AMF0_UPGRADE = 0x11,
AMF0_DDV_CONTAINER = 0xFF
};
/// Enumerates all possible AMF3 types, adding a special DDVTECH container type for ease of use.
enum obj3type {
AMF3_UNDEFINED = 0x00,
AMF3_NULL = 0x01,
AMF3_FALSE = 0x02,
AMF3_TRUE = 0x03,
AMF3_INTEGER = 0x04,
AMF3_DOUBLE = 0x05,
AMF3_STRING = 0x06,
AMF3_XMLDOC = 0x07,
AMF3_DATE = 0x08,
AMF3_ARRAY = 0x09,
AMF3_OBJECT = 0x0A,
AMF3_XML = 0x0B,
AMF3_BYTES = 0x0C,
AMF3_DDV_CONTAINER = 0xFF
};
/// Recursive class that holds AMF0 objects.
/// It supports all AMF0 types (defined in AMF::obj0type), adding support for a special DDVTECH container type.
class Object {
public:
std::string Indice();
obj0type GetType();
double NumValue();
std::string StrValue();
const char * Str();
int hasContent();
void addContent(AMF::Object c);
Object* getContentP(int i);
Object getContent(int i);
Object* getContentP(std::string s);
Object getContent(std::string s);
Object();
Object(std::string indice, double val, obj0type setType = AMF0_NUMBER);
Object(std::string indice, std::string val, obj0type setType = AMF0_STRING);
Object(std::string indice, obj0type setType = AMF0_OBJECT);
void Print(std::string indent = "");
std::string Pack();
protected:
std::string myIndice; ///< Holds this objects indice, if any.
obj0type myType; ///< Holds this objects AMF0 type.
std::string strval; ///< Holds this objects string value, if any.
double numval; ///< Holds this objects numeric value, if any.
std::vector<Object> contents; ///< Holds this objects contents, if any (for container types).
};//AMFType
/// Parses a C-string to a valid AMF::Object.
Object parse(const unsigned char * data, unsigned int len);
/// Parses a std::string to a valid AMF::Object.
Object parse(std::string data);
/// Parses a single AMF0 type - used recursively by the AMF::parse() functions.
Object parseOne(const unsigned char *& data, unsigned int &len, unsigned int &i, std::string name);
/// Recursive class that holds AMF3 objects.
/// It supports all AMF3 types (defined in AMF::obj3type), adding support for a special DDVTECH container type.
class Object3 {
public:
std::string Indice();
obj3type GetType();
double DblValue();
int IntValue();
std::string StrValue();
const char * Str();
int hasContent();
void addContent(AMF::Object3 c);
Object3* getContentP(int i);
Object3 getContent(int i);
Object3* getContentP(std::string s);
Object3 getContent(std::string s);
Object3();
Object3(std::string indice, int val, obj3type setType = AMF3_INTEGER);
Object3(std::string indice, double val, obj3type setType = AMF3_DOUBLE);
Object3(std::string indice, std::string val, obj3type setType = AMF3_STRING);
Object3(std::string indice, obj3type setType = AMF3_OBJECT);
void Print(std::string indent = "");
std::string Pack();
protected:
std::string myIndice; ///< Holds this objects indice, if any.
obj3type myType; ///< Holds this objects AMF0 type.
std::string strval; ///< Holds this objects string value, if any.
double dblval; ///< Holds this objects double value, if any.
int intval; ///< Holds this objects int value, if any.
std::vector<Object3> contents; ///< Holds this objects contents, if any (for container types).
};//AMFType
/// Parses a C-string to a valid AMF::Object3.
Object3 parse3(const unsigned char * data, unsigned int len);
/// Parses a std::string to a valid AMF::Object3.
Object3 parse3(std::string data);
/// Parses a single AMF3 type - used recursively by the AMF::parse3() functions.
Object3 parseOne3(const unsigned char *& data, unsigned int &len, unsigned int &i, std::string name);
};//AMF namespace

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@ -1,3 +1,6 @@
/// \file crypto.cpp
/// Holds all code needed for RTMP cryptography.
#define STR(x) (((std::string)(x)).c_str())
#include "crypto.h"

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util/crypto.h Normal file
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/// \file crypto.h
/// Holds all headers needed for RTMP cryptography functions.
#pragma once
#include <stdint.h>
#include <string>
#include <openssl/bn.h>
#include <openssl/dh.h>
#include <openssl/rc4.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include <openssl/bio.h>
#include <openssl/hmac.h>
class DHWrapper {
private:
int32_t _bitsCount;
DH *_pDH;
uint8_t *_pSharedKey;
int32_t _sharedKeyLength;
BIGNUM *_peerPublickey;
public:
DHWrapper(int32_t bitsCount);
virtual ~DHWrapper();
bool Initialize();
bool CopyPublicKey(uint8_t *pDst, int32_t dstLength);
bool CopyPrivateKey(uint8_t *pDst, int32_t dstLength);
bool CreateSharedKey(uint8_t *pPeerPublicKey, int32_t length);
bool CopySharedKey(uint8_t *pDst, int32_t dstLength);
private:
void Cleanup();
bool CopyKey(BIGNUM *pNum, uint8_t *pDst, int32_t dstLength);
};
void InitRC4Encryption(uint8_t *secretKey, uint8_t *pubKeyIn, uint8_t *pubKeyOut, RC4_KEY *rc4keyIn, RC4_KEY *rc4keyOut);
std::string md5(std::string source, bool textResult);
std::string b64(std::string source);
std::string b64(uint8_t *pBuffer, uint32_t length);
std::string unb64(std::string source);
std::string unb64(uint8_t *pBuffer, uint32_t length);
void HMACsha256(const void *pData, uint32_t dataLength, const void *pKey, uint32_t keyLength, void *pResult);
uint32_t GetDigestOffset0(uint8_t *pBuffer);
uint32_t GetDigestOffset1(uint8_t *pBuffer);
uint32_t GetDigestOffset(uint8_t *pBuffer, uint8_t scheme);
uint32_t GetDHOffset0(uint8_t *pBuffer);
uint32_t GetDHOffset1(uint8_t *pBuffer);
uint32_t GetDHOffset(uint8_t *pBuffer, uint8_t scheme);
extern uint8_t genuineFMSKey[];
bool ValidateClientScheme(uint8_t * pBuffer, uint8_t scheme);

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@ -1,183 +1,355 @@
#pragma once
#include <string>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
/// \file ddv_socket.cpp
/// Holds all code for the DDV namespace.
bool socketError = false;
bool socketBlocking = false;
#include "ddv_socket.h"
int DDV_OpenUnix(std::string adres, bool nonblock = false){
int s = socket(PF_UNIX, SOCK_STREAM, 0);
/// Create a new base socket. This is a basic constructor for converting any valid socket to a DDV::Socket.
/// \param sockNo Integer representing the socket to convert.
DDV::Socket::Socket(int sockNo){
sock = sockNo;
Error = false;
Blocking = false;
}//DDV::Socket basic constructor
/// Create a new disconnected base socket. This is a basic constructor for placeholder purposes.
/// A socket created like this is always disconnected and should/could be overwritten at some point.
DDV::Socket::Socket(){
sock = -1;
Error = false;
Blocking = false;
}//DDV::Socket basic constructor
/// Close connection. The internal socket is closed and then set to -1.
void DDV::Socket::close(){
#if DEBUG >= 3
fprintf(stderr, "Socket closed.\n");
#endif
::close(sock);
sock = -1;
}//DDV::Socket::close
/// Returns internal socket number.
int DDV::Socket::getSocket(){return sock;}
/// Create a new Unix Socket. This socket will (try to) connect to the given address right away.
/// \param address String containing the location of the Unix socket to connect to.
/// \param nonblock Whether the socket should be nonblocking. False by default.
DDV::Socket::Socket(std::string address, bool nonblock){
sock = socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0){
#if DEBUG >= 1
fprintf(stderr, "Could not create socket! Error: %s\n", strerror(errno));
#endif
return;
}
Error = false;
Blocking = false;
sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, adres.c_str(), adres.size()+1);
int r = connect(s, (sockaddr*)&addr, sizeof(addr));
strncpy(addr.sun_path, address.c_str(), address.size()+1);
int r = connect(sock, (sockaddr*)&addr, sizeof(addr));
if (r == 0){
if (nonblock){
int flags = fcntl(s, F_GETFL, 0);
int flags = fcntl(sock, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(s, F_SETFL, flags);
}
return s;
}else{
close(s);
return 0;
}
}
int DDV_Listen(int port){
int s = socket(AF_INET, SOCK_STREAM, 0);
int on = 1;
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);//port 8888
inet_pton(AF_INET, "0.0.0.0", &addr.sin_addr);//listen on all interfaces
int ret = bind(s, (sockaddr*)&addr, sizeof(addr));//bind to all interfaces, chosen port
if (ret == 0){
ret = listen(s, 100);//start listening, backlog of 100 allowed
if (ret == 0){
return s;
}else{
fprintf(stderr, "Listen failed! Error: %s\n", strerror(errno));
close(s);
return 0;
fcntl(sock, F_SETFL, flags);
}
}else{
fprintf(stderr, "Binding failed! Error: %s\n", strerror(errno));
close(s);
return 0;
#if DEBUG >= 1
fprintf(stderr, "Could not connect to %s! Error: %s\n", address.c_str(), strerror(errno));
#endif
close();
}
}
}//DDV::Socket Unix Contructor
int DDV_UnixListen(std::string adres, bool nonblock = false){
unlink(adres.c_str());
int s = socket(AF_UNIX, SOCK_STREAM, 0);
if (nonblock){
int flags = fcntl(s, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(s, F_SETFL, flags);
}
sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, adres.c_str(), adres.size()+1);
int ret = bind(s, (sockaddr*)&addr, sizeof(addr));
if (ret == 0){
ret = listen(s, 100);//start listening, backlog of 100 allowed
if (ret == 0){
return s;
}else{
fprintf(stderr, "Listen failed! Error: %s\n", strerror(errno));
close(s);
return 0;
}
}else{
fprintf(stderr, "Binding failed! Error: %s\n", strerror(errno));
close(s);
return 0;
}
}
int DDV_Accept(int sock, bool nonblock = false){
int r = accept(sock, 0, 0);
if ((r >= 0) && nonblock){
int flags = fcntl(r, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(r, F_SETFL, flags);
}
return r;
}
bool DDV_write(const void * buffer, int todo, int sock){
int sofar = 0;
socketBlocking = false;
while (sofar != todo){
int r = send(sock, (char*)buffer + sofar, todo-sofar, 0);
if (r <= 0){
switch (errno){
case EWOULDBLOCK: socketBlocking = true; break;
default:
socketError = true;
fprintf(stderr, "Could not write! %s\n", strerror(errno));
return false;
break;
}
}
sofar += r;
}
return true;
}
signed int DDV_ready(int sock){
/// Returns the ready-state for this socket.
/// \returns 1 if data is waiting to be read, -1 if not connected, 0 otherwise.
signed int DDV::Socket::ready(){
if (sock < 0) return -1;
char tmp;
int preflags = fcntl(sock, F_GETFL, 0);
int postflags = preflags | O_NONBLOCK;
fcntl(sock, F_SETFL, postflags);
int r = recv(sock, &tmp, 1, MSG_PEEK);
fcntl(sock, F_SETFL, preflags);
if (r < 0){
if (errno == EAGAIN || errno == EWOULDBLOCK){
return 0;
}else{
#if DEBUG >= 2
fprintf(stderr, "Socket ready error! Error: %s\n", strerror(errno));
#endif
close();
return -1;
}
}
if (r == 0){
close(); return -1;
}
return r;
}
bool DDV_read(void * buffer, int todo, int sock){
int sofar = 0;
socketBlocking = false;
while (sofar != todo){
int r = recv(sock, (char*)buffer + sofar, todo-sofar, 0);
if (r <= 0){
switch (errno){
case EWOULDBLOCK: socketBlocking = true; break;
default:
socketError = true;
fprintf(stderr, "Could not read! %s\n", strerror(errno));
return false;
break;
}
}
sofar += r;
}
return true;
/// Returns the connected-state for this socket.
/// Note that this function might be slightly behind the real situation.
/// The connection status is updated after every read/write attempt, when errors occur
/// and when the socket is closed manually.
/// \returns True if socket is connected, false otherwise.
bool DDV::Socket::connected(){
return (sock >= 0);
}
bool DDV_read(void * buffer, int width, int count, int sock){return DDV_read(buffer, width*count, sock);}
bool DDV_write(void * buffer, int width, int count, int sock){return DDV_write(buffer, width*count, sock);}
/// Writes data to socket. This function blocks if the socket is blocking and all data cannot be written right away.
/// If the socket is nonblocking and not all data can be written, this function sets internal variable Blocking to true
/// and returns false.
/// \param buffer Location of the buffer to write from.
/// \param len Amount of bytes to write.
/// \returns True if the whole write was succesfull, false otherwise.
bool DDV::Socket::write(const void * buffer, int len){
int sofar = 0;
if (sock < 0){return false;}
while (sofar != len){
int r = send(sock, (char*)buffer + sofar, len-sofar, 0);
if (r <= 0){
Error = true;
#if DEBUG >= 2
fprintf(stderr, "Could not write data! Error: %s\n", strerror(errno));
#endif
close();
return false;
}else{
sofar += r;
}
}
return true;
}//DDv::Socket::write
int DDV_iwrite(void * buffer, int todo, int sock){
int r = send(sock, buffer, todo, 0);
/// Reads data from socket. This function blocks if the socket is blocking and all data cannot be read right away.
/// If the socket is nonblocking and not all data can be read, this function sets internal variable Blocking to true
/// and returns false.
/// \param buffer Location of the buffer to read to.
/// \param len Amount of bytes to read.
/// \returns True if the whole read was succesfull, false otherwise.
bool DDV::Socket::read(void * buffer, int len){
int sofar = 0;
if (sock < 0){return false;}
while (sofar != len){
int r = recv(sock, (char*)buffer + sofar, len-sofar, 0);
if (r <= 0){
Error = true;
#if DEBUG >= 2
fprintf(stderr, "Could not read data! Error: %s\n", strerror(errno));
#endif
close();
return false;
}else{
sofar += r;
}
}
return true;
}//DDV::Socket::read
/// Read call that is compatible with file access syntax. This function simply calls the other read function.
bool DDV::Socket::read(void * buffer, int width, int count){return read(buffer, width*count);}
/// Write call that is compatible with file access syntax. This function simply calls the other write function.
bool DDV::Socket::write(void * buffer, int width, int count){return write(buffer, width*count);}
/// Write call that is compatible with std::string. This function simply calls the other write function.
bool DDV::Socket::write(const std::string data){return write(data.c_str(), data.size());}
/// Incremental write call. This function tries to write len bytes to the socket from the buffer,
/// returning the amount of bytes it actually wrote.
/// \param buffer Location of the buffer to write from.
/// \param len Amount of bytes to write.
/// \returns The amount of bytes actually written.
int DDV::Socket::iwrite(void * buffer, int len){
int r = send(sock, buffer, len, 0);
if (r < 0){
switch (errno){
case EWOULDBLOCK: return 0; break;
default:
socketError = true;
fprintf(stderr, "Could not write! %s\n", strerror(errno));
Error = true;
#if DEBUG >= 2
fprintf(stderr, "Could not iwrite data! Error: %s\n", strerror(errno));
#endif
close();
return 0;
break;
}
}
if (r == 0){close();}
return r;
}
}//DDV::Socket::iwrite
int DDV_iread(void * buffer, int todo, int sock){
int r = recv(sock, buffer, todo, 0);
/// Incremental read call. This function tries to read len bytes to the buffer from the socket,
/// returning the amount of bytes it actually read.
/// \param buffer Location of the buffer to read to.
/// \param len Amount of bytes to read.
/// \returns The amount of bytes actually read.
int DDV::Socket::iread(void * buffer, int len){
int r = recv(sock, buffer, len, 0);
if (r < 0){
switch (errno){
case EWOULDBLOCK: break;
case EWOULDBLOCK: return 0; break;
default:
socketError = true;
fprintf(stderr, "Could not read! %s\n", strerror(errno));
Error = true;
#if DEBUG >= 2
fprintf(stderr, "Could not iread data! Error: %s\n", strerror(errno));
#endif
close();
return 0;
break;
}
}
if (r == 0){close();}
return r;
}//DDV::Socket::iread
/// Read call that is compatible with std::string.
/// Data is read using iread (which is nonblocking if the DDV::Socket itself is),
/// then appended to end of buffer.
/// \param buffer std::string to append data to.
/// \return True if new data arrived, false otherwise.
bool DDV::Socket::read(std::string & buffer){
char cbuffer[5000];
if (!read(cbuffer, 1)){return false;}
int num = iread(cbuffer+1, 4999);
if (num > 0){
buffer.append(cbuffer, num+1);
}else{
buffer.append(cbuffer, 1);
}
return true;
}//read
/// Create a new base ServerSocket. The socket is never connected, and a placeholder for later connections.
DDV::ServerSocket::ServerSocket(){
sock = -1;
}//DDV::ServerSocket base Constructor
/// Create a new TCP ServerSocket. The socket is immediately bound and set to listen.
/// A maximum of 100 connections will be accepted between accept() calls.
/// Any further connections coming in will be dropped.
/// \param port The TCP port to listen on
/// \param hostname (optional) The interface to bind to. The default is 0.0.0.0 (all interfaces).
/// \param nonblock (optional) Whether accept() calls will be nonblocking. Default is false (blocking).
DDV::ServerSocket::ServerSocket(int port, std::string hostname, bool nonblock){
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0){
#if DEBUG >= 1
fprintf(stderr, "Could not create socket! Error: %s\n", strerror(errno));
#endif
return;
}
int on = 1;
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
if (nonblock){
int flags = fcntl(sock, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(sock, F_SETFL, flags);
}
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);//set port
inet_pton(AF_INET, hostname.c_str(), &addr.sin_addr);//set interface, 0.0.0.0 (default) is all
int ret = bind(sock, (sockaddr*)&addr, sizeof(addr));//do the actual bind
if (ret == 0){
ret = listen(sock, 100);//start listening, backlog of 100 allowed
if (ret == 0){
return;
}else{
#if DEBUG >= 1
fprintf(stderr, "Listen failed! Error: %s\n", strerror(errno));
#endif
close();
return;
}
}else{
#if DEBUG >= 1
fprintf(stderr, "Binding failed! Error: %s\n", strerror(errno));
#endif
close();
return;
}
}//DDV::ServerSocket TCP Constructor
/// Create a new Unix ServerSocket. The socket is immediately bound and set to listen.
/// A maximum of 100 connections will be accepted between accept() calls.
/// Any further connections coming in will be dropped.
/// The address used will first be unlinked - so it succeeds if the Unix socket already existed. Watch out for this behaviour - it will delete any file located at address!
/// \param address The location of the Unix socket to bind to.
/// \param nonblock (optional) Whether accept() calls will be nonblocking. Default is false (blocking).
DDV::ServerSocket::ServerSocket(std::string address, bool nonblock){
unlink(address.c_str());
sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock < 0){
#if DEBUG >= 1
fprintf(stderr, "Could not create socket! Error: %s\n", strerror(errno));
#endif
return;
}
if (nonblock){
int flags = fcntl(sock, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(sock, F_SETFL, flags);
}
sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, address.c_str(), address.size()+1);
int ret = bind(sock, (sockaddr*)&addr, sizeof(addr));
if (ret == 0){
ret = listen(sock, 100);//start listening, backlog of 100 allowed
if (ret == 0){
return;
}else{
#if DEBUG >= 1
fprintf(stderr, "Listen failed! Error: %s\n", strerror(errno));
#endif
close();
return;
}
}else{
#if DEBUG >= 1
fprintf(stderr, "Binding failed! Error: %s\n", strerror(errno));
#endif
close();
return;
}
}//DDV::ServerSocket Unix Constructor
/// Accept any waiting connections. If the DDV::ServerSocket is blocking, this function will block until there is an incoming connection.
/// If the DDV::ServerSocket is nonblocking, it might return a DDV::Socket that is not connected, so check for this.
/// \param nonblock (optional) Whether the newly connected socket should be nonblocking. Default is false (blocking).
/// \returns A DDV::Socket, which may or may not be connected, depending on settings and circumstances.
DDV::Socket DDV::ServerSocket::accept(bool nonblock){
if (sock < 0){return DDV::Socket(-1);}
int r = ::accept(sock, 0, 0);
//set the socket to be nonblocking, if requested.
//we could do this through accept4 with a flag, but that call is non-standard...
if ((r >= 0) && nonblock){
int flags = fcntl(r, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(r, F_SETFL, flags);
}
if (r < 0){
if (errno != EWOULDBLOCK && errno != EAGAIN){close();}
}
return DDV::Socket(r);
}
/// Close connection. The internal socket is closed and then set to -1.
void DDV::ServerSocket::close(){
::close(sock);
sock = -1;
}//DDV::ServerSocket::close
/// Returns the connected-state for this socket.
/// Note that this function might be slightly behind the real situation.
/// The connection status is updated after every accept attempt, when errors occur
/// and when the socket is closed manually.
/// \returns True if socket is connected, false otherwise.
bool DDV::ServerSocket::connected(){
return (sock >= 0);
}//DDV::ServerSocket::connected
/// Returns internal socket number.
int DDV::ServerSocket::getSocket(){return sock;}

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/// \file ddv_socket.h
/// Holds all headers for the DDV namespace.
#pragma once
#include <string>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
///Holds DDV Socket tools.
namespace DDV{
/// This class is for easy communicating through sockets, either TCP or Unix.
class Socket{
private:
int sock; ///< Internally saved socket number.
public:
Socket(); ///< Create a new disconnected base socket.
Socket(int sockNo); ///< Create a new base socket.
Socket(std::string adres, bool nonblock = false); ///< Create a new Unix Socket.
bool Error; ///< Set to true if a socket error happened.
bool Blocking; ///< Set to true if a socket is currently or wants to be blocking.
signed int ready(); ///< Returns the ready-state for this socket.
bool connected(); ///< Returns the connected-state for this socket.
bool read(void * buffer, int len); ///< Reads data from socket.
bool read(void * buffer, int width, int count); ///< Read call that is compatible with file access syntax.
bool write(const void * buffer, int len); ///< Writes data to socket.
bool write(void * buffer, int width, int count); ///< Write call that is compatible with file access syntax.
bool write(const std::string data); ///< Write call that is compatible with std::string.
int iwrite(void * buffer, int len); ///< Incremental write call.
int iread(void * buffer, int len); ///< Incremental read call.
bool read(std::string & buffer); ///< Read call that is compatible with std::string.
void close(); ///< Close connection.
int getSocket(); ///< Returns internal socket number.
};
/// This class is for easily setting up listening socket, either TCP or Unix.
class ServerSocket{
private:
int sock; ///< Internally saved socket number.
public:
ServerSocket(); ///< Create a new base ServerSocket.
ServerSocket(int port, std::string hostname = "0.0.0.0", bool nonblock = false); ///< Create a new TCP ServerSocket.
ServerSocket(std::string adres, bool nonblock = false); ///< Create a new Unix ServerSocket.
Socket accept(bool nonblock = false); ///< Accept any waiting connections.
bool connected(); ///< Returns the connected-state for this socket.
void close(); ///< Close connection.
int getSocket(); ///< Returns internal socket number.
};
};

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#include <unistd.h> //for read()
#include <fcntl.h>
#include "flv_pack.cpp"
char FLVHeader[13];
bool All_Hell_Broke_Loose = false;
//checks FLV Header for correctness
//returns true if everything is alright, false otherwise
bool FLV_Checkheader(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
if (header[8] != 0x09) return false;
if (header[9] != 0) return false;
if (header[10] != 0) return false;
if (header[11] != 0) return false;
if (header[12] != 0) return false;
return true;
}//FLV_Checkheader
//returns true if header is an FLV header
bool FLV_Isheader(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
return true;
}//FLV_Isheader
bool ReadUntil(char * buffer, unsigned int count, unsigned int & sofar){
if (sofar >= count){return true;}
int r = 0;
r = fread(buffer + sofar,1,count-sofar,stdin);
if (r < 0){All_Hell_Broke_Loose = true; return false;}
sofar += r;
if (sofar >= count){return true;}
return false;
}
//gets a packet, storing in given FLV_Pack pointer.
//will assign pointer if null
//resizes FLV_Pack data field bigger if data doesn't fit
// (does not auto-shrink for speed!)
bool FLV_GetPacket(FLV_Pack *& p){
int preflags = fcntl(fileno(stdin), F_GETFL, 0);
int postflags = preflags | O_NONBLOCK;
fcntl(fileno(stdin), F_SETFL, postflags);
static bool done = true;
static unsigned int sofar = 0;
if (!p){p = (FLV_Pack*)calloc(1, sizeof(FLV_Pack));}
if (p->buf < 15){p->data = (char*)realloc(p->data, 15); p->buf = 15;}
if (done){
//read a header
if (ReadUntil(p->data, 11, sofar)){
//if its a correct FLV header, throw away and read tag header
if (FLV_Isheader(p->data)){
if (ReadUntil(p->data, 13, sofar)){
if (FLV_Checkheader(p->data)){
sofar = 0;
memcpy(FLVHeader, p->data, 13);
}else{All_Hell_Broke_Loose = true;}
}
}else{
//if a tag header, calculate length and read tag body
p->len = p->data[3] + 15;
p->len += (p->data[2] << 8);
p->len += (p->data[1] << 16);
if (p->buf < p->len){p->data = (char*)realloc(p->data, p->len);p->buf = p->len;}
done = false;
}
}
}else{
//read tag body
if (ReadUntil(p->data, p->len, sofar)){
//calculate keyframeness, next time read header again, return true
p->isKeyframe = false;
if ((p->data[0] == 0x09) && (((p->data[11] & 0xf0) >> 4) == 1)){p->isKeyframe = true;}
done = true;
sofar = 0;
fcntl(fileno(stdin), F_SETFL, preflags);
return true;
}
}
fcntl(fileno(stdin), F_SETFL, preflags);
return false;
}//FLV_GetPacket

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#include <unistd.h> //for read()
#include <fcntl.h>
#include "flv_pack.cpp"
char FLVHeader[13];
bool All_Hell_Broke_Loose = false;
//checks FLV Header for correctness
//returns true if everything is alright, false otherwise
bool FLV_Checkheader(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
if (header[8] != 0x09) return false;
if (header[9] != 0) return false;
if (header[10] != 0) return false;
if (header[11] != 0) return false;
if (header[12] != 0) return false;
return true;
}//FLV_Checkheader
//returns true if header is an FLV header
bool FLV_Isheader(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
return true;
}//FLV_Isheader
bool ReadUntil(char * buffer, unsigned int count, unsigned int & sofar, char * D, unsigned int S, unsigned int & P){
if (sofar >= count){return true;}
int r = 0;
if (P+(count-sofar) > S){r = S-P;}else{r = count-sofar;}
memcpy(buffer+sofar, D+P, r);
P += r;
sofar += r;
if (sofar >= count){return true;}
return false;
}
//gets a packet, storing in given FLV_Pack pointer.
//will assign pointer if null
//resizes FLV_Pack data field bigger if data doesn't fit
// (does not auto-shrink for speed!)
bool FLV_GetPacket(FLV_Pack *& p, char * D, unsigned int S, unsigned int & P){
static bool done = true;
static unsigned int sofar = 0;
if (!p){p = (FLV_Pack*)calloc(1, sizeof(FLV_Pack));}
if (p->buf < 15){p->data = (char*)realloc(p->data, 15000000); p->buf = 15000000;}
if (done){
//read a header
if (ReadUntil(p->data, 11, sofar, D, S, P)){
//if its a correct FLV header, throw away and read tag header
if (FLV_Isheader(p->data)){
if (ReadUntil(p->data, 13, sofar, D, S, P)){
if (FLV_Checkheader(p->data)){
sofar = 0;
memcpy(FLVHeader, p->data, 13);
}else{All_Hell_Broke_Loose = true;}
}
}else{
//if a tag header, calculate length and read tag body
p->len = p->data[3] + 15;
p->len += (p->data[2] << 8);
p->len += (p->data[1] << 16);
//if (p->buf < p->len){p->data = (char*)realloc(p->data, p->len);p->buf = p->len;}
if (p->data[0] > 0x12){
printf("Invalid data: %2hhx %2hhx %2hhx %2hhx %2hhx %2hhx %2hhx\n", p->data[0], p->data[1], p->data[2], p->data[3], p->data[4], p->data[5], p->data[6]);
}
done = false;
}
}
}else{
//read tag body
if (ReadUntil(p->data, p->len, sofar, D, S, P)){
//calculate keyframeness, next time read header again, return true
p->isKeyframe = false;
if ((p->data[0] == 0x09) && (((p->data[11] & 0xf0) >> 4) == 1)){p->isKeyframe = true;}
done = true;
sofar = 0;
return true;
}
}
return false;
}//FLV_GetPacket

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@ -1,123 +0,0 @@
#pragma once
class FLV_Pack {
public:
int len;
int buf;
bool isKeyframe;
char * data;
std::string tagType(){
std::string R = "";
switch (data[0]){
case 0x09:
switch (data[11] & 0x0F){
case 1: R += "JPEG"; break;
case 2: R += "H263"; break;
case 3: R += "ScreenVideo1"; break;
case 4: R += "VP6"; break;
case 5: R += "VP6Alpha"; break;
case 6: R += "ScreenVideo2"; break;
case 7: R += "AVC"; break;
default: R += "unknown"; break;
}
R += " video ";
switch (data[11] & 0xF0){
case 0x10: R += "keyframe"; break;
case 0x20: R += "iframe"; break;
case 0x30: R += "disposableiframe"; break;
case 0x40: R += "generatedkeyframe"; break;
case 0x50: R += "videoinfo"; break;
}
if ((data[11] & 0x0F) == 7){
switch (data[12]){
case 0: R += " header"; break;
case 1: R += " NALU"; break;
case 2: R += " endofsequence"; break;
}
}
break;
case 0x08:
switch (data[11] & 0xF0){
case 0x00: R += "linear PCM PE"; break;
case 0x10: R += "ADPCM"; break;
case 0x20: R += "MP3"; break;
case 0x30: R += "linear PCM LE"; break;
case 0x40: R += "Nelly16kHz"; break;
case 0x50: R += "Nelly8kHz"; break;
case 0x60: R += "Nelly"; break;
case 0x70: R += "G711A-law"; break;
case 0x80: R += "G711mu-law"; break;
case 0x90: R += "reserved"; break;
case 0xA0: R += "AAC"; break;
case 0xB0: R += "Speex"; break;
case 0xE0: R += "MP38kHz"; break;
case 0xF0: R += "DeviceSpecific"; break;
default: R += "unknown"; break;
}
switch (data[11] & 0x0C){
case 0x0: R += " 5.5kHz"; break;
case 0x4: R += " 11kHz"; break;
case 0x8: R += " 22kHz"; break;
case 0xC: R += " 44kHz"; break;
}
switch (data[11] & 0x02){
case 0: R += " 8bit"; break;
case 2: R += " 16bit"; break;
}
switch (data[11] & 0x01){
case 0: R += " mono"; break;
case 1: R += " stereo"; break;
}
R += " audio";
if ((data[12] == 0) && ((data[11] & 0xF0) == 0xA0)){
R += " initdata";
}
break;
case 0x12:
R += "(meta)data";
break;
default:
R += "unknown";
break;
}
return R;
};//tagtype
unsigned int tagTime(){
return (data[4] << 16) + (data[5] << 8) + data[6] + (data[7] << 24);
}//tagTime getter
void tagTime(unsigned int T){
data[4] = ((T >> 16) & 0xFF);
data[5] = ((T >> 8) & 0xFF);
data[6] = (T & 0xFF);
data[7] = ((T >> 24) & 0xFF);
}//tagTime setter
FLV_Pack(){
len = 0; buf = 0; data = 0; isKeyframe = false;
}//empty constructor
FLV_Pack(const FLV_Pack& O){
buf = O.len;
len = buf;
if (len > 0){
data = (char*)malloc(len);
memcpy(data, O.data, len);
}else{
data = 0;
}
isKeyframe = O.isKeyframe;
}//copy constructor
FLV_Pack & operator= (const FLV_Pack& O){
if (this != &O){//no self-assignment
if (data != 0){free(data);}
buf = O.len;
len = buf;
if (len > 0){
data = (char*)malloc(len);
memcpy(data, O.data, len);
}else{
data = 0;
}
isKeyframe = O.isKeyframe;
}
return *this;
}//assignment operator
};//FLV_Pack

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#include "flv_pack.cpp"
char FLVHeader[13];
bool All_Hell_Broke_Loose = false;
//checks FLV Header for correctness
//returns true if everything is alright, false otherwise
bool FLV_Checkheader(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
if (header[8] != 0x09) return false;
if (header[9] != 0) return false;
if (header[10] != 0) return false;
if (header[11] != 0) return false;
if (header[12] != 0) return false;
return true;
}//FLV_Checkheader
//returns true if header is an FLV header
bool FLV_Isheader(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
return true;
}//FLV_Isheader
bool ReadUntil(char * buffer, unsigned int count, unsigned int & sofar, int sock){
if (sofar == count){return true;}
int r = DDV_iread(buffer + sofar,count-sofar,sock);
if (r < 0){
if (errno != EWOULDBLOCK){
All_Hell_Broke_Loose = true;
fprintf(stderr, "ReadUntil fail: %s. All Hell Broke Loose!\n", strerror(errno));
}
return false;
}
sofar += r;
if (sofar == count){return true;}
if (sofar > count){
All_Hell_Broke_Loose = true;
fprintf(stderr, "ReadUntil fail: %s. Read too much. All Hell Broke Loose!\n", strerror(errno));
}
return false;
}
//gets a packet, storing in given FLV_Pack pointer.
//will assign pointer if null
//resizes FLV_Pack data field bigger if data doesn't fit
// (does not auto-shrink for speed!)
bool FLV_GetPacket(FLV_Pack *& p, int sock){
static bool done = true;
static unsigned int sofar = 0;
if (!p){p = (FLV_Pack*)calloc(1, sizeof(FLV_Pack));}
if (p->buf < 15){p->data = (char*)realloc(p->data, 15); p->buf = 15;}
if (done){
//read a header
if (ReadUntil(p->data, 11, sofar, sock)){
//if its a correct FLV header, throw away and read tag header
if (FLV_Isheader(p->data)){
if (ReadUntil(p->data, 13, sofar, sock)){
if (FLV_Checkheader(p->data)){
sofar = 0;
memcpy(FLVHeader, p->data, 13);
//fwrite(p->data, 13, 1, stdout);//output raw stream
}else{
All_Hell_Broke_Loose = true;
fprintf(stderr, "Invalid FLV header. All Hell Broke Loose!\n");
}
}
}else{
//if a tag header, calculate length and read tag body
p->len = p->data[3] + 15;
p->len += (p->data[2] << 8);
p->len += (p->data[1] << 16);
//fprintf(stderr, "Tag of len %i\n", p->len);
if (p->buf < p->len){p->data = (char*)realloc(p->data, p->len);p->buf = p->len;}
done = false;
}
}
}else{
//read tag body
if (ReadUntil(p->data, p->len, sofar, sock)){
//calculate keyframeness, next time read header again, return true
p->isKeyframe = false;
if ((p->data[0] == 0x09) && (((p->data[11] & 0xf0) >> 4) == 1)){p->isKeyframe = true;}
int testlen = p->data[p->len-1] + 4;
testlen += (p->data[p->len-2] << 8);
testlen += (p->data[p->len-3] << 16);
testlen += (p->data[p->len-4] << 24);
//fwrite(p->data, p->len, 1, stdout);//output raw stream
if (p->len != testlen){
fprintf(stderr, "Len: %i, testlen: %i\n", p->len, testlen);
All_Hell_Broke_Loose = true;
fprintf(stderr, "ReadUntil fail: Wrong size tag? All Hell Broke Loose!\n");
return false;
}
done = true;
sofar = 0;
return true;
}
}
return false;
}//FLV_GetPacket

394
util/flv_tag.cpp Normal file
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/// \file flv_tag.cpp
/// Holds all code for the FLV namespace.
#include "flv_tag.h"
#include <stdio.h> //for Tag::FileLoader
#include <unistd.h> //for Tag::FileLoader
#include <fcntl.h> //for Tag::FileLoader
#include <stdlib.h> //malloc
#include <string.h> //memcpy
#include "ddv_socket.h" //socket functions
char FLV::Header[13]; ///< Holds the last FLV header parsed.
bool FLV::Parse_Error = false; ///< This variable is set to true if a problem is encountered while parsing the FLV.
std::string FLV::Error_Str = "";
/// Checks a FLV Header for validness. Returns true if the header is valid, false
/// if the header is not. Not valid can mean:
/// - Not starting with the string "FLV".
/// - The DataOffset is not 9 bytes.
/// - The PreviousTagSize is not 0 bytes.
///
/// Note that we see PreviousTagSize as part of the FLV header, not part of the tag header!
bool FLV::check_header(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
if (header[5] != 0) return false;
if (header[6] != 0) return false;
if (header[7] != 0) return false;
if (header[8] != 0x09) return false;
if (header[9] != 0) return false;
if (header[10] != 0) return false;
if (header[11] != 0) return false;
if (header[12] != 0) return false;
return true;
}//FLV::check_header
/// Checks the first 3 bytes for the string "FLV". Implementing a basic FLV header check,
/// returning true if it is, false if not.
bool FLV::is_header(char * header){
if (header[0] != 'F') return false;
if (header[1] != 'L') return false;
if (header[2] != 'V') return false;
return true;
}//FLV::is_header
/// Returns a std::string describing the tag in detail.
/// The string includes information about whether the tag is
/// audio, video or metadata, what encoding is used, and the details
/// of the encoding itself.
std::string FLV::Tag::tagType(){
std::string R = "";
switch (data[0]){
case 0x09:
switch (data[11] & 0x0F){
case 1: R += "JPEG"; break;
case 2: R += "H263"; break;
case 3: R += "ScreenVideo1"; break;
case 4: R += "VP6"; break;
case 5: R += "VP6Alpha"; break;
case 6: R += "ScreenVideo2"; break;
case 7: R += "AVC"; break;
default: R += "unknown"; break;
}
R += " video ";
switch (data[11] & 0xF0){
case 0x10: R += "keyframe"; break;
case 0x20: R += "iframe"; break;
case 0x30: R += "disposableiframe"; break;
case 0x40: R += "generatedkeyframe"; break;
case 0x50: R += "videoinfo"; break;
}
if ((data[11] & 0x0F) == 7){
switch (data[12]){
case 0: R += " header"; break;
case 1: R += " NALU"; break;
case 2: R += " endofsequence"; break;
}
}
break;
case 0x08:
switch (data[11] & 0xF0){
case 0x00: R += "linear PCM PE"; break;
case 0x10: R += "ADPCM"; break;
case 0x20: R += "MP3"; break;
case 0x30: R += "linear PCM LE"; break;
case 0x40: R += "Nelly16kHz"; break;
case 0x50: R += "Nelly8kHz"; break;
case 0x60: R += "Nelly"; break;
case 0x70: R += "G711A-law"; break;
case 0x80: R += "G711mu-law"; break;
case 0x90: R += "reserved"; break;
case 0xA0: R += "AAC"; break;
case 0xB0: R += "Speex"; break;
case 0xE0: R += "MP38kHz"; break;
case 0xF0: R += "DeviceSpecific"; break;
default: R += "unknown"; break;
}
switch (data[11] & 0x0C){
case 0x0: R += " 5.5kHz"; break;
case 0x4: R += " 11kHz"; break;
case 0x8: R += " 22kHz"; break;
case 0xC: R += " 44kHz"; break;
}
switch (data[11] & 0x02){
case 0: R += " 8bit"; break;
case 2: R += " 16bit"; break;
}
switch (data[11] & 0x01){
case 0: R += " mono"; break;
case 1: R += " stereo"; break;
}
R += " audio";
if ((data[12] == 0) && ((data[11] & 0xF0) == 0xA0)){
R += " initdata";
}
break;
case 0x12:
R += "(meta)data";
break;
default:
R += "unknown";
break;
}
return R;
}//FLV::Tag::tagtype
/// Returns the 32-bit timestamp of this tag.
unsigned int FLV::Tag::tagTime(){
return (data[4] << 16) + (data[5] << 8) + data[6] + (data[7] << 24);
}//tagTime getter
/// Sets the 32-bit timestamp of this tag.
void FLV::Tag::tagTime(unsigned int T){
data[4] = ((T >> 16) & 0xFF);
data[5] = ((T >> 8) & 0xFF);
data[6] = (T & 0xFF);
data[7] = ((T >> 24) & 0xFF);
}//tagTime setter
/// Constructor for a new, empty, tag.
/// The buffer length is initialized to 0, and later automatically
/// increased if neccesary.
FLV::Tag::Tag(){
len = 0; buf = 0; data = 0; isKeyframe = false; done = true; sofar = 0;
}//empty constructor
/// Copy constructor, copies the contents of an existing tag.
/// The buffer length is initialized to the actual size of the tag
/// that is being copied, and later automaticallt increased if
/// neccesary.
FLV::Tag::Tag(const Tag& O){
done = true;
sofar = 0;
buf = O.len;
len = buf;
if (len > 0){
data = (char*)malloc(len);
memcpy(data, O.data, len);
}else{
data = 0;
}
isKeyframe = O.isKeyframe;
}//copy constructor
/// Assignment operator - works exactly like the copy constructor.
/// This operator checks for self-assignment.
FLV::Tag & FLV::Tag::operator= (const FLV::Tag& O){
if (this != &O){//no self-assignment
len = O.len;
if (len > 0){
if (!data){
data = (char*)malloc(len);
buf = len;
}else{
if (buf < len){
data = (char*)realloc(data, len);
buf = len;
}
}
memcpy(data, O.data, len);
}
isKeyframe = O.isKeyframe;
}
return *this;
}//assignment operator
/// Helper function for FLV::MemLoader.
/// This function will try to read count bytes from data buffer D into buffer.
/// This function should be called repeatedly until true.
/// P and sofar are not the same value, because D may not start with the current tag.
/// \param buffer The target buffer.
/// \param count Amount of bytes to read.
/// \param sofar Current amount read.
/// \param D The location of the data buffer.
/// \param S The size of the data buffer.
/// \param P The current position in the data buffer. Will be updated to reflect new position.
/// \return True if count bytes are read succesfully, false otherwise.
bool FLV::Tag::MemReadUntil(char * buffer, unsigned int count, unsigned int & sofar, char * D, unsigned int S, unsigned int & P){
if (sofar >= count){return true;}
int r = 0;
if (P+(count-sofar) > S){r = S-P;}else{r = count-sofar;}
memcpy(buffer+sofar, D+P, r);
P += r;
sofar += r;
if (sofar >= count){return true;}
return false;
}//Tag::MemReadUntil
/// Try to load a tag from a data buffer in memory.
/// This is a stateful function - if fed incorrect data, it will most likely never return true again!
/// While this function returns false, the Tag might not contain valid data.
/// \param D The location of the data buffer.
/// \param S The size of the data buffer.
/// \param P The current position in the data buffer. Will be updated to reflect new position.
/// \return True if a whole tag is succesfully read, false otherwise.
bool FLV::Tag::MemLoader(char * D, unsigned int S, unsigned int & P){
if (buf < 15){data = (char*)realloc(data, 15); buf = 15;}
if (done){
//read a header
if (MemReadUntil(data, 11, sofar, D, S, P)){
//if its a correct FLV header, throw away and read tag header
if (FLV::is_header(data)){
if (MemReadUntil(data, 13, sofar, D, S, P)){
if (FLV::check_header(data)){
sofar = 0;
memcpy(FLV::Header, data, 13);
}else{FLV::Parse_Error = true; Error_Str = "Invalid header received."; return false;}
}
}else{
//if a tag header, calculate length and read tag body
len = data[3] + 15;
len += (data[2] << 8);
len += (data[1] << 16);
if (buf < len){data = (char*)realloc(data, len); buf = len;}
if (data[0] > 0x12){FLV::Parse_Error = true; Error_Str = "Invalid Tag received."; return false;}
done = false;
}
}
}else{
//read tag body
if (MemReadUntil(data, len, sofar, D, S, P)){
//calculate keyframeness, next time read header again, return true
if ((data[0] == 0x09) && (((data[11] & 0xf0) >> 4) == 1)){isKeyframe = true;}else{isKeyframe = false;}
done = true;
sofar = 0;
return true;
}
}
return false;
}//Tag::MemLoader
/// Helper function for FLV::SockLoader.
/// This function will try to read count bytes from socket sock into buffer.
/// This function should be called repeatedly until true.
/// \param buffer The target buffer.
/// \param count Amount of bytes to read.
/// \param sofar Current amount read.
/// \param sock Socket to read from.
/// \return True if count bytes are read succesfully, false otherwise.
bool FLV::Tag::SockReadUntil(char * buffer, unsigned int count, unsigned int & sofar, DDV::Socket & sock){
if (sofar == count){return true;}
if (!sock.read(buffer + sofar,count-sofar)){
if (errno != EWOULDBLOCK){
FLV::Parse_Error = true;
Error_Str = "Error reading from socket.";
}
return false;
}
sofar += count-sofar;
if (sofar == count){return true;}
if (sofar > count){
FLV::Parse_Error = true;
Error_Str = "Socket buffer overflow.";
}
return false;
}//Tag::SockReadUntil
/// Try to load a tag from a socket.
/// This is a stateful function - if fed incorrect data, it will most likely never return true again!
/// While this function returns false, the Tag might not contain valid data.
/// \param sock The socket to read from.
/// \return True if a whole tag is succesfully read, false otherwise.
bool FLV::Tag::SockLoader(DDV::Socket sock){
if (buf < 15){data = (char*)realloc(data, 15); buf = 15;}
if (done){
if (SockReadUntil(data, 11, sofar, sock)){
//if its a correct FLV header, throw away and read tag header
if (FLV::is_header(data)){
if (SockReadUntil(data, 13, sofar, sock)){
if (FLV::check_header(data)){
sofar = 0;
memcpy(FLV::Header, data, 13);
}else{FLV::Parse_Error = true; Error_Str = "Invalid header received."; return false;}
}
}else{
//if a tag header, calculate length and read tag body
len = data[3] + 15;
len += (data[2] << 8);
len += (data[1] << 16);
if (buf < len){data = (char*)realloc(data, len); buf = len;}
if (data[0] > 0x12){FLV::Parse_Error = true; Error_Str = "Invalid Tag received."; return false;}
done = false;
}
}
}else{
//read tag body
if (SockReadUntil(data, len, sofar, sock)){
//calculate keyframeness, next time read header again, return true
if ((data[0] == 0x09) && (((data[11] & 0xf0) >> 4) == 1)){isKeyframe = true;}else{isKeyframe = false;}
done = true;
sofar = 0;
return true;
}
}
return false;
}//Tag::SockLoader
/// Try to load a tag from a socket.
/// This is a stateful function - if fed incorrect data, it will most likely never return true again!
/// While this function returns false, the Tag might not contain valid data.
/// \param sock The socket to read from.
/// \return True if a whole tag is succesfully read, false otherwise.
bool FLV::Tag::SockLoader(int sock){
return SockLoader(DDV::Socket(sock));
}//Tag::SockLoader
/// Helper function for FLV::FileLoader.
/// This function will try to read count bytes from file f into buffer.
/// This function should be called repeatedly until true.
/// \param buffer The target buffer.
/// \param count Amount of bytes to read.
/// \param sofar Current amount read.
/// \param f File to read from.
/// \return True if count bytes are read succesfully, false otherwise.
bool FLV::Tag::FileReadUntil(char * buffer, unsigned int count, unsigned int & sofar, FILE * f){
if (sofar >= count){return true;}
int r = 0;
r = fread(buffer + sofar,1,count-sofar,f);
if (r < 0){FLV::Parse_Error = true; Error_Str = "File reading error."; return false;}
sofar += r;
if (sofar >= count){return true;}
return false;
}
/// Try to load a tag from a file.
/// This is a stateful function - if fed incorrect data, it will most likely never return true again!
/// While this function returns false, the Tag might not contain valid data.
/// \param f The file to read from.
/// \return True if a whole tag is succesfully read, false otherwise.
bool FLV::Tag::FileLoader(FILE * f){
int preflags = fcntl(fileno(f), F_GETFL, 0);
int postflags = preflags | O_NONBLOCK;
fcntl(fileno(f), F_SETFL, postflags);
if (buf < 15){data = (char*)realloc(data, 15); buf = 15;}
if (done){
//read a header
if (FileReadUntil(data, 11, sofar, f)){
//if its a correct FLV header, throw away and read tag header
if (FLV::is_header(data)){
if (FileReadUntil(data, 13, sofar, f)){
if (FLV::check_header(data)){
sofar = 0;
memcpy(FLV::Header, data, 13);
}else{FLV::Parse_Error = true; Error_Str = "Invalid header received."; return false;}
}
}else{
//if a tag header, calculate length and read tag body
len = data[3] + 15;
len += (data[2] << 8);
len += (data[1] << 16);
if (buf < len){data = (char*)realloc(data, len); buf = len;}
if (data[0] > 0x12){FLV::Parse_Error = true; Error_Str = "Invalid Tag received."; return false;}
done = false;
}
}
}else{
//read tag body
if (FileReadUntil(data, len, sofar, f)){
//calculate keyframeness, next time read header again, return true
if ((data[0] == 0x09) && (((data[11] & 0xf0) >> 4) == 1)){isKeyframe = true;}else{isKeyframe = false;}
done = true;
sofar = 0;
fcntl(fileno(f), F_SETFL, preflags);
return true;
}
}
fcntl(fileno(f), F_SETFL, preflags);
return false;
}//FLV_GetPacket

46
util/flv_tag.h Normal file
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@ -0,0 +1,46 @@
/// \file flv_tag.h
/// Holds all headers for the FLV namespace.
#pragma once
#include "ddv_socket.h"
#include <string>
/// This namespace holds all FLV-parsing related functionality.
namespace FLV {
//variables
extern char Header[13]; ///< Holds the last FLV header parsed.
extern bool Parse_Error; ///< This variable is set to true if a problem is encountered while parsing the FLV.
extern std::string Error_Str; ///< This variable is set if a problem is encountered while parsing the FLV.
//functions
bool check_header(char * header); ///< Checks a FLV Header for validness.
bool is_header(char * header); ///< Checks the first 3 bytes for the string "FLV".
/// This class is used to hold, work with and get information about a single FLV tag.
class Tag {
public:
int len; ///< Actual length of tag.
bool isKeyframe; ///< True if current tag is a video keyframe.
char * data; ///< Pointer to tag buffer.
std::string tagType(); ///< Returns a std::string describing the tag in detail.
unsigned int tagTime(); ///< Returns the 32-bit timestamp of this tag.
void tagTime(unsigned int T); ///< Sets the 32-bit timestamp of this tag.
Tag(); ///< Constructor for a new, empty, tag.
Tag(const Tag& O); ///< Copy constructor, copies the contents of an existing tag.
Tag & operator= (const Tag& O); ///< Assignment operator - works exactly like the copy constructor.
//loader functions
bool MemLoader(char * D, unsigned int S, unsigned int & P);
bool SockLoader(int sock);
bool SockLoader(DDV::Socket sock);
bool FileLoader(FILE * f);
protected:
int buf; ///< Maximum length of buffer space.
bool done; ///< Body reading done?
unsigned int sofar; ///< How many bytes are read sofar?
//loader helper functions
bool MemReadUntil(char * buffer, unsigned int count, unsigned int & sofar, char * D, unsigned int S, unsigned int & P);
bool SockReadUntil(char * buffer, unsigned int count, unsigned int & sofar, DDV::Socket & sock);
bool FileReadUntil(char * buffer, unsigned int count, unsigned int & sofar, FILE * f);
};//Tag
};//FLV namespace

View file

@ -1,45 +1,14 @@
#pragma once
#include "ddv_socket.cpp"
#include <map>
#include <stdlib.h>
#include <stdio.h>
/// \file http_parser.cpp
/// Holds all code for the HTTP namespace.
class HTTPReader{
public:
HTTPReader();
bool ReadSocket(int CONN_fd);
bool ReadSocket(FILE * F);
std::string GetHeader(std::string i);
std::string GetVar(std::string i);
void SetHeader(std::string i, std::string v);
void SetHeader(std::string i, int v);
void SetVar(std::string i, std::string v);
void SetBody(std::string s);
void SetBody(char * buffer, int len);
std::string BuildRequest();
std::string BuildResponse(std::string code, std::string message);
void SendResponse(int conn, std::string code, std::string message);
void SendBodyPart(int conn, char * buffer, int len);
void SendBodyPart(int conn, std::string bodypart);
void Clean();
bool CleanForNext();
std::string body;
std::string method;
std::string url;
std::string protocol;
unsigned int length;
private:
bool seenHeaders;
bool seenReq;
bool parse();
std::string HTTPbuffer;
std::map<std::string, std::string> headers;
std::map<std::string, std::string> vars;
void Trim(std::string & s);
};//HTTPReader
#include "http_parser.h"
HTTPReader::HTTPReader(){Clean();}
void HTTPReader::Clean(){
/// This constructor creates an empty HTTP::Parser, ready for use for either reading or writing.
/// All this constructor does is call HTTP::Parser::Clean().
HTTP::Parser::Parser(){Clean();}
/// Completely re-initializes the HTTP::Parser, leaving it ready for either reading or writing usage.
void HTTP::Parser::Clean(){
seenHeaders = false;
seenReq = false;
method = "GET";
@ -48,11 +17,14 @@ void HTTPReader::Clean(){
body = "";
length = 0;
HTTPbuffer = "";
headers.erase(headers.begin(), headers.end());
vars.erase(vars.begin(), vars.end());
headers.clear();
vars.clear();
}
bool HTTPReader::CleanForNext(){
/// Re-initializes the HTTP::Parser, leaving the internal data buffer alone, then tries to parse a new request or response.
/// First does the same as HTTP::Parser::Clean(), but does not clear the internal data buffer.
/// This function then calls the HTTP::Parser::parse() function, and returns that functions return value.
bool HTTP::Parser::CleanForNext(){
seenHeaders = false;
seenReq = false;
method = "GET";
@ -60,12 +32,19 @@ bool HTTPReader::CleanForNext(){
protocol = "HTTP/1.1";
body = "";
length = 0;
headers.erase(headers.begin(), headers.end());
vars.erase(vars.begin(), vars.end());
headers.clear();
vars.clear();
return parse();
}
std::string HTTPReader::BuildRequest(){
/// Returns a string containing a valid HTTP 1.0 or 1.1 request, ready for sending.
/// The request is build from internal variables set before this call is made.
/// To be precise, method, url, protocol, headers and the internal data buffer are used,
/// where the internal data buffer is used as the body of the request.
/// This means you cannot mix receiving and sending, because the body would get corrupted.
/// \return A string containing a valid HTTP 1.0 or 1.1 request, ready for sending.
std::string HTTP::Parser::BuildRequest(){
/// \todo Include GET/POST variable parsing?
std::map<std::string, std::string>::iterator it;
std::string tmp = method+" "+url+" "+protocol+"\n";
for (it=headers.begin(); it != headers.end(); it++){
@ -76,7 +55,16 @@ std::string HTTPReader::BuildRequest(){
return tmp;
}
std::string HTTPReader::BuildResponse(std::string code, std::string message){
/// Returns a string containing a valid HTTP 1.0 or 1.1 response, ready for sending.
/// The response is partly build from internal variables set before this call is made.
/// To be precise, protocol, headers and the internal data buffer are used,
/// where the internal data buffer is used as the body of the response.
/// This means you cannot mix receiving and sending, because the body would get corrupted.
/// \param code The HTTP response code. Usually you want 200.
/// \param message The HTTP response message. Usually you want "OK".
/// \return A string containing a valid HTTP 1.0 or 1.1 response, ready for sending.
std::string HTTP::Parser::BuildResponse(std::string code, std::string message){
/// \todo Include GET/POST variable parsing?
std::map<std::string, std::string>::iterator it;
std::string tmp = protocol+" "+code+" "+message+"\n";
for (it=headers.begin(); it != headers.end(); it++){
@ -87,69 +75,71 @@ std::string HTTPReader::BuildResponse(std::string code, std::string message){
return tmp;
}
void HTTPReader::Trim(std::string & s){
/// Trims any whitespace at the front or back of the string.
/// Used when getting/setting headers.
/// \param s The string to trim. The string itself will be changed, not returned.
void HTTP::Parser::Trim(std::string & s){
size_t startpos = s.find_first_not_of(" \t");
size_t endpos = s.find_last_not_of(" \t");
if ((std::string::npos == startpos) || (std::string::npos == endpos)){s = "";}else{s = s.substr(startpos, endpos-startpos+1);}
}
void HTTPReader::SetBody(std::string s){
/// Function that sets the body of a response or request, along with the correct Content-Length header.
/// \param s The string to set the body to.
void HTTP::Parser::SetBody(std::string s){
HTTPbuffer = s;
SetHeader("Content-Length", s.length());
}
void HTTPReader::SetBody(char * buffer, int len){
/// Function that sets the body of a response or request, along with the correct Content-Length header.
/// \param buffer The buffer data to set the body to.
/// \param len Length of the buffer data.
void HTTP::Parser::SetBody(char * buffer, int len){
HTTPbuffer = "";
HTTPbuffer.append(buffer, len);
SetHeader("Content-Length", len);
}
/// Returns header i, if set.
std::string HTTP::Parser::GetHeader(std::string i){return headers[i];}
/// Returns POST variable i, if set.
std::string HTTP::Parser::GetVar(std::string i){return vars[i];}
std::string HTTPReader::GetHeader(std::string i){return headers[i];}
std::string HTTPReader::GetVar(std::string i){return vars[i];}
void HTTPReader::SetHeader(std::string i, std::string v){
/// Sets header i to string value v.
void HTTP::Parser::SetHeader(std::string i, std::string v){
Trim(i);
Trim(v);
headers[i] = v;
}
void HTTPReader::SetHeader(std::string i, int v){
/// Sets header i to integer value v.
void HTTP::Parser::SetHeader(std::string i, int v){
Trim(i);
char val[128];
sprintf(val, "%i", v);
headers[i] = val;
}
void HTTPReader::SetVar(std::string i, std::string v){
/// Sets POST variable i to string value v.
void HTTP::Parser::SetVar(std::string i, std::string v){
Trim(i);
Trim(v);
vars[i] = v;
}
bool HTTPReader::ReadSocket(int CONN_fd){
//returned true als hele http packet gelezen is
int r = 0;
int b = 0;
char buffer[500];
while (true){
r = DDV_ready(CONN_fd);
if (r < 1){
if (r == 0){
socketError = true;
#if DEBUG >= 1
fprintf(stderr, "User socket is disconnected.\n");
#endif
}
return parse();
}
b = DDV_iread(buffer, 500, CONN_fd);
HTTPbuffer.append(buffer, b);
}
return false;
/// Attempt to read a whole HTTP request or response from DDV::Socket sock.
/// \param sock The socket to use.
/// \param nonblock When true, will not block even if the socket is blocking.
/// \return True of a whole request or response was read, false otherwise.
bool HTTP::Parser::Read(DDV::Socket & sock, bool nonblock){
if (nonblock && (sock.ready() < 1)){return parse();}
sock.read(HTTPbuffer);
return parse();
}//HTTPReader::ReadSocket
bool HTTPReader::ReadSocket(FILE * F){
/// Reads a full set of HTTP responses/requests from file F.
/// \return Always false. Use HTTP::Parser::CleanForNext() to parse the contents of the file.
bool HTTP::Parser::Read(FILE * F){
//returned true als hele http packet gelezen is
int b = 1;
char buffer[500];
@ -160,7 +150,11 @@ bool HTTPReader::ReadSocket(FILE * F){
return false;
}//HTTPReader::ReadSocket
bool HTTPReader::parse(){
/// Attempt to read a whole HTTP response or request from the internal data buffer.
/// If succesful, fills its own fields with the proper data and removes the response/request
/// from the internal data buffer.
/// \return True on success, false otherwise.
bool HTTP::Parser::parse(){
size_t f;
std::string tmpA, tmpB, tmpC;
while (HTTPbuffer != ""){
@ -178,7 +172,7 @@ bool HTTPReader::parse(){
if (f != std::string::npos){url = tmpA.substr(0, f); tmpA.erase(0, f+1);}
f = tmpA.find(' ');
if (f != std::string::npos){protocol = tmpA.substr(0, f); tmpA.erase(0, f+1);}
//TODO: GET variable parsing?
/// \todo Include GET variable parsing?
}else{
if (tmpA.size() == 0){
seenHeaders = true;
@ -194,7 +188,7 @@ bool HTTPReader::parse(){
}
if (seenHeaders){
if (length > 0){
//TODO: POST variable parsing?
/// \todo Include POST variable parsing?
if (HTTPbuffer.length() >= length){
body = HTTPbuffer.substr(0, length);
HTTPbuffer.erase(0, length);
@ -210,23 +204,40 @@ bool HTTPReader::parse(){
return false; //we should never get here...
}//HTTPReader::parse
void HTTPReader::SendResponse(int conn, std::string code, std::string message){
/// Sends data as response to conn.
/// The response is automatically first build using HTTP::Parser::BuildResponse().
/// \param conn The DDV::Socket to send the response over.
/// \param code The HTTP response code. Usually you want 200.
/// \param message The HTTP response message. Usually you want "OK".
void HTTP::Parser::SendResponse(DDV::Socket & conn, std::string code, std::string message){
std::string tmp = BuildResponse(code, message);
DDV_write(tmp.c_str(), tmp.size(), conn);
conn.write(tmp);
}
void HTTPReader::SendBodyPart(int conn, char * buffer, int len){
/// Sends data as HTTP/1.1 bodypart to conn.
/// HTTP/1.1 chunked encoding is automatically applied if needed.
/// \param conn The DDV::Socket to send the part over.
/// \param buffer The buffer to send.
/// \param len The length of the buffer.
void HTTP::Parser::SendBodyPart(DDV::Socket & conn, char * buffer, int len){
std::string tmp;
tmp.append(buffer, len);
SendBodyPart(conn, tmp);
}
void HTTPReader::SendBodyPart(int conn, std::string bodypart){
static char len[10];
int sizelen;
sizelen = snprintf(len, 10, "%x\r\n", (unsigned int)bodypart.size());
DDV_write(len, sizelen, conn);
DDV_write(bodypart.c_str(), bodypart.size(), conn);
DDV_write(len+sizelen-2, 2, conn);
/// Sends data as HTTP/1.1 bodypart to conn.
/// HTTP/1.1 chunked encoding is automatically applied if needed.
/// \param conn The DDV::Socket to send the part over.
/// \param bodypart The data to send.
void HTTP::Parser::SendBodyPart(DDV::Socket & conn, std::string bodypart){
if (protocol == "HTTP/1.1"){
static char len[10];
int sizelen;
sizelen = snprintf(len, 10, "%x\r\n", (unsigned int)bodypart.size());
conn.write(len, sizelen);
conn.write(bodypart);
conn.write(len+sizelen-2, 2);
}else{
conn.write(bodypart);
}
}

47
util/http_parser.h Normal file
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@ -0,0 +1,47 @@
/// \file http_parser.h
/// Holds all headers for the HTTP namespace.
#pragma once
#include <map>
#include <string>
#include <stdlib.h>
#include <stdio.h>
#include "ddv_socket.h"
/// Holds all HTTP processing related code.
namespace HTTP{
/// Simple class for reading and writing HTTP 1.0 and 1.1.
class Parser{
public:
Parser();
bool Read(DDV::Socket & sock, bool nonblock = true);
bool Read(FILE * F);
std::string GetHeader(std::string i);
std::string GetVar(std::string i);
void SetHeader(std::string i, std::string v);
void SetHeader(std::string i, int v);
void SetVar(std::string i, std::string v);
void SetBody(std::string s);
void SetBody(char * buffer, int len);
std::string BuildRequest();
std::string BuildResponse(std::string code, std::string message);
void SendResponse(DDV::Socket & conn, std::string code, std::string message);
void SendBodyPart(DDV::Socket & conn, char * buffer, int len);
void SendBodyPart(DDV::Socket & conn, std::string bodypart);
void Clean();
bool CleanForNext();
std::string body;
std::string method;
std::string url;
std::string protocol;
unsigned int length;
private:
bool seenHeaders;
bool seenReq;
bool parse();
std::string HTTPbuffer;
std::map<std::string, std::string> headers;
std::map<std::string, std::string> vars;
void Trim(std::string & s);
};//HTTP::Parser class
};//HTTP namespace

447
util/rtmpchunks.cpp Normal file
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@ -0,0 +1,447 @@
/// \file rtmpchunks.cpp
/// Holds all code for the RTMPStream namespace.
#include "rtmpchunks.h"
#include "crypto.h"
char versionstring[] = "WWW.DDVTECH.COM "; ///< String that is repeated in the RTMP handshake
std::string RTMPStream::handshake_in; ///< Input for the handshake.
std::string RTMPStream::handshake_out;///< Output for the handshake.
/// Gets the current system time in milliseconds.
unsigned int RTMPStream::getNowMS(){
timeval t;
gettimeofday(&t, 0);
return t.tv_sec + t.tv_usec/1000;
}//RTMPStream::getNowMS
unsigned int RTMPStream::chunk_rec_max = 128;
unsigned int RTMPStream::chunk_snd_max = 128;
unsigned int RTMPStream::rec_window_size = 2500000;
unsigned int RTMPStream::snd_window_size = 2500000;
unsigned int RTMPStream::rec_window_at = 0;
unsigned int RTMPStream::snd_window_at = 0;
unsigned int RTMPStream::rec_cnt = 0;
unsigned int RTMPStream::snd_cnt = 0;
timeval RTMPStream::lastrec;
unsigned int RTMPStream::firsttime;
/// Holds the last sent chunk for every msg_id.
std::map<unsigned int, RTMPStream::Chunk> RTMPStream::Chunk::lastsend;
/// Holds the last received chunk for every msg_id.
std::map<unsigned int, RTMPStream::Chunk> RTMPStream::Chunk::lastrecv;
/// Packs up the chunk for sending over the network.
/// \warning Do not call if you are not actually sending the resulting data!
/// \returns A std::string ready to be sent.
std::string RTMPStream::Chunk::Pack(){
std::string output = "";
RTMPStream::Chunk prev = lastsend[cs_id];
unsigned int tmpi;
unsigned char chtype = 0x00;
timestamp -= firsttime;
if (prev.cs_id == cs_id){
if (msg_stream_id == prev.msg_stream_id){
chtype = 0x40;//do not send msg_stream_id
if (len == prev.len){
if (msg_type_id == prev.msg_type_id){
chtype = 0x80;//do not send len and msg_type_id
if (timestamp == prev.timestamp){
chtype = 0xC0;//do not send timestamp
}
}
}
}
}
if (cs_id <= 63){
output += (unsigned char)(chtype | cs_id);
}else{
if (cs_id <= 255+64){
output += (unsigned char)(chtype | 0);
output += (unsigned char)(cs_id - 64);
}else{
output += (unsigned char)(chtype | 1);
output += (unsigned char)((cs_id - 64) % 256);
output += (unsigned char)((cs_id - 64) / 256);
}
}
unsigned int ntime = 0;
if (chtype != 0xC0){
//timestamp or timestamp diff
if (chtype == 0x00){
tmpi = timestamp;
}else{
tmpi = timestamp - prev.timestamp;
}
if (tmpi >= 0x00ffffff){ntime = tmpi; tmpi = 0x00ffffff;}
output += (unsigned char)(tmpi / (256*256));
output += (unsigned char)(tmpi / 256);
output += (unsigned char)(tmpi % 256);
if (chtype != 0x80){
//len
tmpi = len;
output += (unsigned char)(tmpi / (256*256));
output += (unsigned char)(tmpi / 256);
output += (unsigned char)(tmpi % 256);
//msg type id
output += (unsigned char)msg_type_id;
if (chtype != 0x40){
//msg stream id
output += (unsigned char)(msg_stream_id % 256);
output += (unsigned char)(msg_stream_id / 256);
output += (unsigned char)(msg_stream_id / (256*256));
output += (unsigned char)(msg_stream_id / (256*256*256));
}
}
}
//support for 0x00ffffff timestamps
if (ntime){
output += (unsigned char)(ntime % 256);
output += (unsigned char)(ntime / 256);
output += (unsigned char)(ntime / (256*256));
output += (unsigned char)(ntime / (256*256*256));
}
len_left = 0;
while (len_left < len){
tmpi = len - len_left;
if (tmpi > RTMPStream::chunk_snd_max){tmpi = RTMPStream::chunk_snd_max;}
output.append(data, len_left, tmpi);
len_left += tmpi;
if (len_left < len){
if (cs_id <= 63){
output += (unsigned char)(0xC0 + cs_id);
}else{
if (cs_id <= 255+64){
output += (unsigned char)(0xC0);
output += (unsigned char)(cs_id - 64);
}else{
output += (unsigned char)(0xC1);
output += (unsigned char)((cs_id - 64) % 256);
output += (unsigned char)((cs_id - 64) / 256);
}
}
}
}
lastsend[cs_id] = *this;
RTMPStream::snd_cnt += output.size();
return output;
}//SendChunk
/// Default contructor, creates an empty chunk with all values initialized to zero.
RTMPStream::Chunk::Chunk(){
cs_id = 0;
timestamp = 0;
len = 0;
real_len = 0;
len_left = 0;
msg_type_id = 0;
msg_stream_id = 0;
data = "";
}//constructor
/// Packs up a chunk with the given arguments as properties.
std::string RTMPStream::SendChunk(unsigned int cs_id, unsigned char msg_type_id, unsigned int msg_stream_id, std::string data){
RTMPStream::Chunk ch;
ch.cs_id = cs_id;
ch.timestamp = RTMPStream::getNowMS();
ch.len = data.size();
ch.real_len = data.size();
ch.len_left = 0;
ch.msg_type_id = msg_type_id;
ch.msg_stream_id = msg_stream_id;
ch.data = data;
return ch.Pack();
}//constructor
/// Packs up a chunk with media contents.
/// \param msg_type_id Type number of the media, as per FLV standard.
/// \param data Contents of the media data.
/// \param len Length of the media data, in bytes.
/// \param ts Timestamp of the media data, relative to current system time.
std::string RTMPStream::SendMedia(unsigned char msg_type_id, unsigned char * data, int len, unsigned int ts){
RTMPStream::Chunk ch;
ch.cs_id = msg_type_id;
ch.timestamp = ts;
ch.len = len;
ch.real_len = len;
ch.len_left = 0;
ch.msg_type_id = msg_type_id;
ch.msg_stream_id = 1;
ch.data.append((char*)data, (size_t)len);
return ch.Pack();
}//SendMedia
/// Packs up a chunk for a control message with 1 argument.
std::string RTMPStream::SendCTL(unsigned char type, unsigned int data){
RTMPStream::Chunk ch;
ch.cs_id = 2;
ch.timestamp = RTMPStream::getNowMS();
ch.len = 4;
ch.real_len = 4;
ch.len_left = 0;
ch.msg_type_id = type;
ch.msg_stream_id = 0;
ch.data.resize(4);
*(int*)((char*)ch.data.c_str()) = htonl(data);
return ch.Pack();
}//SendCTL
/// Packs up a chunk for a control message with 2 arguments.
std::string RTMPStream::SendCTL(unsigned char type, unsigned int data, unsigned char data2){
RTMPStream::Chunk ch;
ch.cs_id = 2;
ch.timestamp = RTMPStream::getNowMS();
ch.len = 5;
ch.real_len = 5;
ch.len_left = 0;
ch.msg_type_id = type;
ch.msg_stream_id = 0;
ch.data.resize(5);
*(int*)((char*)ch.data.c_str()) = htonl(data);
ch.data[4] = data2;
return ch.Pack();
}//SendCTL
/// Packs up a chunk for a user control message with 1 argument.
std::string RTMPStream::SendUSR(unsigned char type, unsigned int data){
RTMPStream::Chunk ch;
ch.cs_id = 2;
ch.timestamp = RTMPStream::getNowMS();
ch.len = 6;
ch.real_len = 6;
ch.len_left = 0;
ch.msg_type_id = 4;
ch.msg_stream_id = 0;
ch.data.resize(6);
*(int*)((char*)ch.data.c_str()+2) = htonl(data);
ch.data[0] = 0;
ch.data[1] = type;
return ch.Pack();
}//SendUSR
/// Packs up a chunk for a user control message with 2 arguments.
std::string RTMPStream::SendUSR(unsigned char type, unsigned int data, unsigned int data2){
RTMPStream::Chunk ch;
ch.cs_id = 2;
ch.timestamp = RTMPStream::getNowMS();
ch.len = 10;
ch.real_len = 10;
ch.len_left = 0;
ch.msg_type_id = 4;
ch.msg_stream_id = 0;
ch.data.resize(10);
*(int*)((char*)ch.data.c_str()+2) = htonl(data);
*(int*)((char*)ch.data.c_str()+6) = htonl(data2);
ch.data[0] = 0;
ch.data[1] = type;
return ch.Pack();
}//SendUSR
/// Parses the argument string into the current chunk.
/// Tries to read a whole chunk, if successful it will remove
/// the corresponding data from the input string.
/// If only part of a chunk is read, it will remove the part and call itself again.
/// This has the effect of only causing a "true" reponse in the case a *whole* chunk
/// is read, not just part of a chunk.
/// \param indata The input string to parse and update.
/// \warning This function will destroy the current data in this chunk!
/// \returns True if a whole chunk could be read, false otherwise.
bool RTMPStream::Chunk::Parse(std::string & indata){
gettimeofday(&RTMPStream::lastrec, 0);
unsigned int i = 0;
if (indata.size() < 1) return false;//need at least a byte
unsigned char chunktype = indata[i++];
//read the chunkstream ID properly
switch (chunktype & 0x3F){
case 0:
if (indata.size() < 2) return false;//need at least 2 bytes to continue
cs_id = indata[i++] + 64;
break;
case 1:
if (indata.size() < 3) return false;//need at least 3 bytes to continue
cs_id = indata[i++] + 64;
cs_id += indata[i++] * 256;
break;
default:
cs_id = chunktype & 0x3F;
break;
}
RTMPStream::Chunk prev = lastrecv[cs_id];
//process the rest of the header, for each chunk type
switch (chunktype & 0xC0){
case 0x00:
if (indata.size() < i+11) return false; //can't read whole header
timestamp = indata[i++]*256*256;
timestamp += indata[i++]*256;
timestamp += indata[i++];
len = indata[i++]*256*256;
len += indata[i++]*256;
len += indata[i++];
len_left = 0;
msg_type_id = indata[i++];
msg_stream_id = indata[i++];
msg_stream_id += indata[i++]*256;
msg_stream_id += indata[i++]*256*256;
msg_stream_id += indata[i++]*256*256*256;
break;
case 0x40:
if (indata.size() < i+7) return false; //can't read whole header
timestamp = indata[i++]*256*256;
timestamp += indata[i++]*256;
timestamp += indata[i++];
timestamp += prev.timestamp;
len = indata[i++]*256*256;
len += indata[i++]*256;
len += indata[i++];
len_left = 0;
msg_type_id = indata[i++];
msg_stream_id = prev.msg_stream_id;
break;
case 0x80:
if (indata.size() < i+3) return false; //can't read whole header
timestamp = indata[i++]*256*256;
timestamp += indata[i++]*256;
timestamp += indata[i++];
timestamp += prev.timestamp;
len = prev.len;
len_left = prev.len_left;
msg_type_id = prev.msg_type_id;
msg_stream_id = prev.msg_stream_id;
break;
case 0xC0:
timestamp = prev.timestamp;
len = prev.len;
len_left = prev.len_left;
msg_type_id = prev.msg_type_id;
msg_stream_id = prev.msg_stream_id;
break;
}
//calculate chunk length, real length, and length left till complete
if (len_left > 0){
real_len = len_left;
len_left -= real_len;
}else{
real_len = len;
}
if (real_len > RTMPStream::chunk_rec_max){
len_left += real_len - RTMPStream::chunk_rec_max;
real_len = RTMPStream::chunk_rec_max;
}
//read extended timestamp, if neccesary
if (timestamp == 0x00ffffff){
if (indata.size() < i+4) return false; //can't read whole header
timestamp = indata[i++]*256*256*256;
timestamp += indata[i++]*256*256;
timestamp += indata[i++]*256;
timestamp += indata[i++];
}
//read data if length > 0, and allocate it
if (real_len > 0){
if (prev.len_left > 0){
data = prev.data;
}else{
data = "";
}
if (indata.size() < i+real_len) return false;//can't read all data (yet)
data.append(indata, i, real_len);
indata = indata.substr(i+real_len);
lastrecv[cs_id] = *this;
RTMPStream::rec_cnt += i+real_len;
if (len_left == 0){
return true;
}else{
return Parse(indata);
}
}else{
data = "";
indata = indata.substr(i+real_len);
lastrecv[cs_id] = *this;
RTMPStream::rec_cnt += i+real_len;
return true;
}
}//Parse
/// Does the handshake. Expects handshake_in to be filled, and fills handshake_out.
/// After calling this function, don't forget to read and ignore 1536 extra bytes,
/// these are the handshake response and not interesting for us because we don't do client
/// verification.
bool RTMPStream::doHandshake(){
char Version;
//Read C0
Version = RTMPStream::handshake_in[0];
uint8_t * Client = (uint8_t *)RTMPStream::handshake_in.c_str() + 1;
RTMPStream::handshake_out.resize(3073);
uint8_t * Server = (uint8_t *)RTMPStream::handshake_out.c_str() + 1;
RTMPStream::rec_cnt += 1537;
//Build S1 Packet
*((uint32_t*)Server) = 0;//time zero
*(((uint32_t*)(Server+4))) = htonl(0x01020304);//version 1 2 3 4
for (int i = 8; i < 3072; ++i){Server[i] = versionstring[i%16];}//"random" data
bool encrypted = (Version == 6);
#if DEBUG >= 4
fprintf(stderr, "Handshake version is %hhi\n", Version);
#endif
uint8_t _validationScheme = 5;
if (ValidateClientScheme(Client, 0)) _validationScheme = 0;
if (ValidateClientScheme(Client, 1)) _validationScheme = 1;
#if DEBUG >= 4
fprintf(stderr, "Handshake type is %hhi, encryption is %s\n", _validationScheme, encrypted?"on":"off");
#endif
//FIRST 1536 bytes from server response
//compute DH key position
uint32_t serverDHOffset = GetDHOffset(Server, _validationScheme);
uint32_t clientDHOffset = GetDHOffset(Client, _validationScheme);
//generate DH key
DHWrapper dhWrapper(1024);
if (!dhWrapper.Initialize()) return false;
if (!dhWrapper.CreateSharedKey(Client + clientDHOffset, 128)) return false;
if (!dhWrapper.CopyPublicKey(Server + serverDHOffset, 128)) return false;
if (encrypted) {
uint8_t secretKey[128];
if (!dhWrapper.CopySharedKey(secretKey, sizeof (secretKey))) return false;
RC4_KEY _pKeyIn;
RC4_KEY _pKeyOut;
InitRC4Encryption(secretKey, (uint8_t*) & Client[clientDHOffset], (uint8_t*) & Server[serverDHOffset], &_pKeyIn, &_pKeyOut);
uint8_t data[1536];
RC4(&_pKeyIn, 1536, data, data);
RC4(&_pKeyOut, 1536, data, data);
}
//generate the digest
uint32_t serverDigestOffset = GetDigestOffset(Server, _validationScheme);
uint8_t *pTempBuffer = new uint8_t[1536 - 32];
memcpy(pTempBuffer, Server, serverDigestOffset);
memcpy(pTempBuffer + serverDigestOffset, Server + serverDigestOffset + 32, 1536 - serverDigestOffset - 32);
uint8_t *pTempHash = new uint8_t[512];
HMACsha256(pTempBuffer, 1536 - 32, genuineFMSKey, 36, pTempHash);
memcpy(Server + serverDigestOffset, pTempHash, 32);
delete[] pTempBuffer;
delete[] pTempHash;
//SECOND 1536 bytes from server response
uint32_t keyChallengeIndex = GetDigestOffset(Client, _validationScheme);
pTempHash = new uint8_t[512];
HMACsha256(Client + keyChallengeIndex, 32, genuineFMSKey, 68, pTempHash);
uint8_t *pLastHash = new uint8_t[512];
HMACsha256(Server + 1536, 1536 - 32, pTempHash, 32, pLastHash);
memcpy(Server + 1536 * 2 - 32, pLastHash, 32);
delete[] pTempHash;
delete[] pLastHash;
//DONE BUILDING THE RESPONSE ***//
Server[-1] = Version;
RTMPStream::snd_cnt += 3073;
return true;
}

65
util/rtmpchunks.h Normal file
View file

@ -0,0 +1,65 @@
/// \file rtmpchunks.h
/// Holds all headers for the RTMPStream namespace.
#pragma once
#include <map>
#include <string.h>
#include <stdlib.h>
#include <sys/time.h>
#include <string>
#include <arpa/inet.h>
#define DEBUG 4
/// Contains all functions and classes needed for RTMP connections.
namespace RTMPStream{
/// Gets the current system time in milliseconds.
unsigned int getNowMS();
extern unsigned int chunk_rec_max; ///< Maximum size for a received chunk.
extern unsigned int chunk_snd_max; ///< Maximum size for a sent chunk.
extern unsigned int rec_window_size; ///< Window size for receiving.
extern unsigned int snd_window_size; ///< Window size for sending.
extern unsigned int rec_window_at; ///< Current position of the receiving window.
extern unsigned int snd_window_at; ///< Current position of the sending window.
extern unsigned int rec_cnt; ///< Counter for total data received, in bytes.
extern unsigned int snd_cnt; ///< Counter for total data sent, in bytes.
extern timeval lastrec; ///< Timestamp of last time data was received.
extern unsigned int firsttime; ///< Timestamp of first time a chunk was sent.
/// Holds a single RTMP chunk, either send or receive direction.
class Chunk{
public:
unsigned int cs_id; ///< ContentStream ID
unsigned int timestamp; ///< Timestamp of this chunk.
unsigned int len; ///< Length of the complete chunk.
unsigned int real_len; ///< Length of this particular part of it.
unsigned int len_left; ///< Length not yet received, out of complete chunk.
unsigned char msg_type_id; ///< Message Type ID
unsigned int msg_stream_id; ///< Message Stream ID
std::string data; ///< Payload of chunk.
Chunk();
bool Parse(std::string & data);
std::string Pack();
private:
static std::map<unsigned int, Chunk> lastsend;
static std::map<unsigned int, Chunk> lastrecv;
};//RTMPStream::Chunk
std::string SendChunk(unsigned int cs_id, unsigned char msg_type_id, unsigned int msg_stream_id, std::string data);
std::string SendMedia(unsigned char msg_type_id, unsigned char * data, int len, unsigned int ts);
std::string SendCTL(unsigned char type, unsigned int data);
std::string SendCTL(unsigned char type, unsigned int data, unsigned char data2);
std::string SendUSR(unsigned char type, unsigned int data);
std::string SendUSR(unsigned char type, unsigned int data, unsigned int data2);
/// This value should be set to the first 1537 bytes received.
extern std::string handshake_in;
/// This value is the handshake response that is to be sent out.
extern std::string handshake_out;
/// Does the handshake. Expects handshake_in to be filled, and fills handshake_out.
bool doHandshake();
};//RTMPStream namespace

View file

@ -1,65 +1,146 @@
int mainHandler(int CONN_fd);//define this function in your own code!
#include <signal.h>
#include "ddv_socket.cpp" //DDVTech Socket wrapper
#include "flv_sock.cpp" //FLV parsing with DDVTech Socket wrapper
int server_socket = 0;
/// \file server_setup.cpp
/// Contains generic functions for setting up a DDVTECH Connector.
void termination_handler (int signum){
if (server_socket == 0) return;
#ifndef MAINHANDLER
/// Handler that is called for accepted incoming connections.
#define MAINHANDLER NoHandler
#error "No handler was set!"
#endif
#ifndef DEFAULT_PORT
/// Default port for this server.
#define DEFAULT_PORT 0
#error "No default port was set!"
#endif
#ifndef CONFIGSECT
/// Configuration file section for this server.
#define CONFIGSECT None
#error "No configuration file section was set!"
#endif
#include "ddv_socket.h" //DDVTech Socket wrapper
#include <signal.h>
#include <sys/types.h>
#include <pwd.h>
#include <fstream>
#define defstr(x) #x ///< converts a define name to string
#define defstrh(x) "[" defstr(x) "]" ///< converts define name to [string]
DDV::ServerSocket server_socket(-1); ///< Placeholder for the server socket
/// Basic signal handler. Disconnects the server_socket if it receives
/// a SIGINT, SIGHUP or SIGTERM signal, but does nothing for SIGPIPE.
/// Disconnecting the server_socket will terminate the main listening loop
/// and cleanly shut down the process.
void signal_handler (int signum){
if (!server_socket.connected()) return;
switch (signum){
case SIGINT: break;
case SIGHUP: break;
case SIGTERM: break;
default: return; break;
}
close(server_socket);
server_socket = 0;
}
server_socket.close();
}//signal_handler
/// Generic main entry point and loop for DDV Connectors.
/// This sets up the proper termination handler, checks commandline options,
/// parses config files and opens a listening socket on the requested port.
/// Any incoming connections will be accepted and start up the function #MAINHANDLER,
/// which should be defined before including server_setup.cpp.
/// The default port is set by define #DEFAULT_PORT.
/// The configuration file section is set by define #CONFIGSECT.
int main(int argc, char ** argv){
int CONN_fd = 0;
DDV::Socket S;//placeholder for incoming connections
//setup signal handler
struct sigaction new_action;
new_action.sa_handler = termination_handler;
new_action.sa_handler = signal_handler;
sigemptyset (&new_action.sa_mask);
new_action.sa_flags = 0;
sigaction(SIGINT, &new_action, NULL);
sigaction(SIGHUP, &new_action, NULL);
sigaction(SIGTERM, &new_action, NULL);
sigaction(SIGPIPE, &new_action, NULL);
//default values
int listen_port = DEFAULT_PORT;
bool daemon_mode = true;
std::string interface = "0.0.0.0";
std::string configfile = "/etc/ddvtech.conf";
std::string username = "root";
bool ignore_daemon = false;
bool ignore_interface = false;
bool ignore_port = false;
bool ignore_user = false;
int opt = 0;
static const char *optString = "np:h?";
static const char *optString = "ndp:i:u:c:h?";
static const struct option longOpts[] = {
{"help",0,0,'h'},
{"port",1,0,'p'},
{"no-daemon",0,0,'n'}
{"interface",1,0,'i'},
{"username",1,0,'u'},
{"no-daemon",0,0,'n'},
{"daemon",0,0,'d'},
{"configfile",1,0,'c'}
};
while ((opt = getopt_long(argc, argv, optString, longOpts, 0)) != -1){
switch (opt){
case 'p':
listen_port = atoi(optarg);
break;
case 'n':
daemon_mode = false;
break;
case 'p': listen_port = atoi(optarg); ignore_port = true; break;
case 'i': interface = optarg; ignore_interface = true; break;
case 'n': daemon_mode = false; ignore_daemon = true; break;
case 'd': daemon_mode = true; ignore_daemon = true; break;
case 'c': configfile = optarg; break;
case 'u': username = optarg; ignore_user = true; break;
case 'h':
case '?':
printf("Options: -h[elp], -?, -n[o-daemon], -p[ort] #\n");
printf("Options: -h[elp], -?, -n[odaemon], -d[aemon], -p[ort] VAL, -i[nterface] VAL, -c[onfigfile] VAL, -u[sername] VAL\n");
printf("Defaults:\n interface: 0.0.0.0\n port: %i\n daemon mode: true\n configfile: /etc/ddvtech.conf\n username: root\n", listen_port);
printf("Username root means no change to UID, no matter what the UID is.\n");
printf("If the configfile exists, it is always loaded first. Commandline settings then overwrite the config file.\n");
printf("\nThis process takes it directives from the %s section of the configfile.\n", defstrh(CONFIGSECT));
return 1;
break;
}
}
server_socket = DDV_Listen(listen_port);
}//commandline options parser
std::ifstream conf(configfile.c_str(), std::ifstream::in);
std::string tmpstr;
bool acc_comm = false;
size_t foundeq;
if (conf.fail()){
#if DEBUG >= 3
fprintf(stderr, "Configuration file %s not found - using build-in defaults...\n", configfile.c_str());
#endif
}else{
while (conf.good()){
getline(conf, tmpstr);
if (tmpstr[0] == '['){//new section? check if we care.
if (tmpstr == defstrh(CONFIGSECT)){acc_comm = true;}else{acc_comm = false;}
}else{
if (!acc_comm){break;}//skip all lines in this section if we do not care about it
foundeq = tmpstr.find('=');
if (foundeq != std::string::npos){
if ((tmpstr.substr(0, foundeq) == "port") && !ignore_port){listen_port = atoi(tmpstr.substr(foundeq+1).c_str());}
if ((tmpstr.substr(0, foundeq) == "interface") && !ignore_interface){interface = tmpstr.substr(foundeq+1);}
if ((tmpstr.substr(0, foundeq) == "username") && !ignore_user){username = tmpstr.substr(foundeq+1);}
if ((tmpstr.substr(0, foundeq) == "daemon") && !ignore_daemon){daemon_mode = true;}
if ((tmpstr.substr(0, foundeq) == "nodaemon") && !ignore_daemon){daemon_mode = false;}
}//found equals sign
}//section contents
}//configfile line loop
}//configuration
//setup a new server socket, for the correct interface and port
server_socket = DDV::ServerSocket(listen_port, interface);
#if DEBUG >= 3
fprintf(stderr, "Made a listening socket on port %i...\n", listen_port);
fprintf(stderr, "Made a listening socket on %s:%i...\n", interface.c_str(), listen_port);
#endif
if (server_socket > 0){
if (server_socket.connected()){
//if setup success, enter daemon mode if requested
if (daemon_mode){
daemon(1, 0);
#if DEBUG >= 3
@ -72,23 +153,41 @@ int main(int argc, char ** argv){
#endif
return 1;
}
int status;
while (server_socket > 0){
waitpid((pid_t)-1, &status, WNOHANG);
CONN_fd = DDV_Accept(server_socket);
if (CONN_fd > 0){
pid_t myid = fork();
if (myid == 0){
break;
if (username != "root"){
struct passwd * user_info = getpwnam(username.c_str());
if (!user_info){
#if DEBUG >= 1
fprintf(stderr, "Error: could not setuid %s: could not get PID\n", username.c_str());
#endif
return 1;
}else{
if (setuid(user_info->pw_uid) != 0){
#if DEBUG >= 1
fprintf(stderr, "Error: could not setuid %s: not allowed\n", username.c_str());
#endif
}else{
#if DEBUG >= 3
fprintf(stderr, "Spawned new process %i for handling socket %i\n", (int)myid, CONN_fd);
fprintf(stderr, "Changed user to %s\n", username.c_str());
#endif
}
}
}
if (server_socket <= 0){
return 0;
}
return mainHandler(CONN_fd);
}
int status;
while (server_socket.connected()){
while (waitpid((pid_t)-1, &status, WNOHANG) > 0){}//clean up all child processes
S = server_socket.accept();
if (S.connected()){//check if the new connection is valid
pid_t myid = fork();
if (myid == 0){//if new child, start MAINHANDLER
return MAINHANDLER(S);
}else{//otherwise, do nothing or output debugging text
#if DEBUG >= 3
fprintf(stderr, "Spawned new process %i for socket %i\n", (int)myid, S.getSocket());
#endif
}
}
}//while connected
return 0;
}//main