HTTP parser, plus wat kleine fixes. Erik, ik heb comments voor je achtergelaten in de vorm '//ERIK: tekst'. Enjoy.
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4 changed files with 276 additions and 21 deletions
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@ -1,26 +1,109 @@
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//debugging level 0 = nothing
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//debugging level 1 = critical errors
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//debugging level 2 = errors
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//debugging level 3 = status information
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//debugging level 4 = extremely verbose status information
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#define DEBUG 3
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#include <iostream>
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#include "../sockets/SocketW.h"
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#include <string>
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#include <vector>
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#include <cstdlib>
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#include <cstdio>
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#include <cmath>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/epoll.h>
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#include <getopt.h>
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int main() {
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SWUnixSocket mySocket;
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mySocket.connect("/tmp/shared_socket");
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char buffer[500000];
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int msg;
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std::string input;
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// do something with mySocket...
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while( std::cin >> input && input != "") {}
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std::cout << "HTTP/1.1 200 OK\nConnection: close\nContent-Type: video/x-flv\n\n";
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while(std::cout.good()) {
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msg = mySocket.recv(&buffer[0],10000);
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std::cout.write(buffer,msg);
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#define DEFAULT_PORT 80
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#include "../util/server_setup.cpp"
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#include "../util/http_parser.cpp"
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int mainHandler(int CONN_fd){
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bool ready4data = false;//set to true when streaming starts
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bool inited = false;
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int ss;
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char streamname[200];
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FLV_Pack * tag = 0;
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HTTPReader HTTP_R;
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int retval;
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int poller = epoll_create(1);
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int sspoller = epoll_create(1);
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struct epoll_event ev;
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ev.events = EPOLLIN;
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ev.data.fd = CONN_fd;
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epoll_ctl(poller, EPOLL_CTL_ADD, CONN_fd, &ev);
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struct epoll_event events[1];
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while (!socketError && !All_Hell_Broke_Loose){
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//only parse input if available or not yet init'ed
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retval = epoll_wait(poller, events, 1, 1);
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if ((retval > 0) || !ready4data){
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if (HTTP_R.ReadSocket(CONN_fd)){
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//ERIK: we hebben nu een hele HTTP request geparsed - verwerken mag hier, door aanroepen naar
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//ERIK: bijvoorbeeld HTTP_R.GetHeader("headernaam") (voor headers) of HTTP_R.GetVar("varnaam") (voor GET/POST vars)
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//ERIK: of HTTP_R.method of HTTP_R.url of HTTP_R.protocol....
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//ERIK: zie ook ../util/http_parser.cpp - de class definitie bovenaan zou genoeg moeten zijn voor je
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HTTP_R.Clean(); //maak schoon na verwerken voor eventuele volgende requests...
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}
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}
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if (ready4data){
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if (!inited){
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//we are ready, connect the socket!
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ss = DDV_OpenUnix(streamname);
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if (ss <= 0){
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#if DEBUG >= 1
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fprintf(stderr, "Could not connect to server!\n");
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#endif
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socketError = 1;
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break;
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}
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ev.events = EPOLLIN;
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ev.data.fd = ss;
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epoll_ctl(sspoller, EPOLL_CTL_ADD, ss, &ev);
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#if DEBUG >= 3
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fprintf(stderr, "Everything connected, starting to send video data...\n");
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#endif
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inited = true;
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}
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retval = epoll_wait(sspoller, events, 1, 1);
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switch (DDV_ready(ss)){
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case 0:
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socketError = true;
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#if DEBUG >= 1
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fprintf(stderr, "Source socket is disconnected.\n");
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#endif
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break;
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case -1: break;//not ready yet
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default:
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if (FLV_GetPacket(tag, ss)){//able to read a full packet?
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//ERIK: "tag" bevat nu een FLV tag (video, audio, of metadata), de header hebben we al weggelezen, np.
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//ERIK: Dit is het punt waarop je eventueel data mag/kan gaan sturen en/of parsen. Leef je uit.
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//ERIK: je kan een HTTPReader aanmaken en gebruiken om je HTTP request op te bouwen (via SetBody, SetHeader, etc)
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//ERIK: en dan met de .BuildResponse("200", "OK"); call een std::string met de hele response maken, klaar voor versturen
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//ERIK: Note: hergebruik echter NIET de HTTP_R die ik al heb gemaakt hierboven, want er kunnen meerdere requests binnenkomen!
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}
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break;
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}
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}
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}
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// disconnect
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mySocket.disconnect();
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close(CONN_fd);
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if (inited) close(ss);
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#if DEBUG >= 1
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if (All_Hell_Broke_Loose){fprintf(stderr, "All Hell Broke Loose\n");}
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fprintf(stderr, "User %i disconnected.\n", CONN_fd);
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if (inited){
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fprintf(stderr, "Status was: inited\n");
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}else{
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if (ready4data){
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fprintf(stderr, "Status was: ready4data\n");
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}else{
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fprintf(stderr, "Status was: connected\n");
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}
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}
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#endif
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return 0;
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}
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