DEBUG flag in main van RTMP connector, 100% werkende non-h264 streaming. h264 heeft speciale header parsing nodig of zoiets dergelijks, prolly...

This commit is contained in:
Thulinma 2010-08-08 17:27:04 +02:00
parent e8246efc91
commit 7ebe9019a3
6 changed files with 223 additions and 64 deletions

View file

@ -105,6 +105,7 @@ class AMFType {
case 0x02://short string
case 0x0C: std::cerr << "String"; break;
case 0x03: std::cerr << "Object"; break;
case 0x08: std::cerr << "ECMA Array"; break;
case 0x05: std::cerr << "Null"; break;
case 0x06: std::cerr << "Undefined"; break;
case 0x0D: std::cerr << "Unsupported"; break;
@ -157,6 +158,22 @@ class AMFType {
}
r += (char)0; r += (char)0; r += (char)9;
break;
case 0x08:{//array
int arrlen = 0;
if (contents){
arrlen = getContentP("length")->NumValue();
r += arrlen / (256*256*256); r += arrlen / (256*256); r += arrlen / 256; r += arrlen % 256;
for (std::vector<AMFType>::iterator it = contents->begin(); it != contents->end(); it++){
r += it->Indice().size() / 256;
r += it->Indice().size() % 256;
r += it->Indice();
r += it->Pack();
}
}else{
r += (char)0; r += (char)0; r += (char)0; r += (char)0;
}
r += (char)0; r += (char)0; r += (char)9;
} break;
case 0xFF://container - our own type - do not send, only send contents
if (contents){
for (std::vector<AMFType>::iterator it = contents->begin(); it != contents->end(); it++){
@ -176,6 +193,7 @@ class AMFType {
};//AMFType
AMFType parseOneAMF(const unsigned char *& data, unsigned int &len, unsigned int &i, std::string name){
char * helperchar = 0;
std::string tmpstr;
unsigned int tmpi = 0;
unsigned char tmpdbl[8];
@ -202,13 +220,21 @@ AMFType parseOneAMF(const unsigned char *& data, unsigned int &len, unsigned int
break;
case 0x0C://long string
tmpi = data[i+1]*256*256*256+data[i+2]*256*256+data[i+3]*256+data[i+4];
tmpstr = (char*)(data+i+5);
helperchar = (char*)malloc(tmpi+1);
memcpy(helperchar, data+i+5, tmpi);
helperchar[tmpi] = 0;
tmpstr = helperchar;
free(helperchar);
i += tmpi + 5;
return AMFType(name, tmpstr, 0x0C);
break;
case 0x02://string
tmpi = data[i+1]*256+data[i+2];
tmpstr = (char*)(data+i+3);
helperchar = (char*)malloc(tmpi+1);
memcpy(helperchar, data+i+3, tmpi);
helperchar[tmpi] = 0;
tmpstr = helperchar;
free(helperchar);
i += tmpi + 3;
return AMFType(name, tmpstr, 0x02);
break;
@ -230,8 +256,23 @@ AMFType parseOneAMF(const unsigned char *& data, unsigned int &len, unsigned int
i += 3;
return ret;
} break;
case 0x08:{//ECMA array
++i;
AMFType ret = AMFType(name, data[i-1]);
i += 4;
while (data[i] + data[i+1] != 0){
tmpi = data[i]*256+data[i+1];
tmpstr = (char*)(data+i+2);
i += tmpi + 2;
ret.addContent(parseOneAMF(data, len, i, tmpstr));
}
i += 3;
return ret;
} break;
}
#ifdef DEBUG
fprintf(stderr, "Error: Unimplemented AMF type %hhx - returning.\n", data[i]);
#endif
return AMFType("error", (unsigned char)0xFF);
}//parseOneAMF

View file

@ -4,6 +4,13 @@
#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;
@ -13,6 +20,8 @@ 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;
@ -84,6 +93,7 @@ void SendChunk(chunkpack ch){
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
@ -143,10 +153,10 @@ void SendChunk(chunkpack ch){
snd_cnt+=1;
if (chtype != 0x40){
//msg stream id
tmp = ch.msg_stream_id / (256*256*256); fwrite(&tmp, 1, 1, stdout);
tmp = ch.msg_stream_id / (256*256); fwrite(&tmp, 1, 1, stdout);
tmp = ch.msg_stream_id / 256; fwrite(&tmp, 1, 1, stdout);
tmp = ch.msg_stream_id % 256; fwrite(&tmp, 1, 1, stdout);
tmp = ch.msg_stream_id / 256; fwrite(&tmp, 1, 1, stdout);
tmp = ch.msg_stream_id / (256*256); fwrite(&tmp, 1, 1, stdout);
tmp = ch.msg_stream_id / (256*256*256); fwrite(&tmp, 1, 1, stdout);
snd_cnt+=4;
}
}
@ -191,10 +201,8 @@ void SendChunk(chunkpack ch){
//sends a chunk
void SendChunk(unsigned int cs_id, unsigned char msg_type_id, unsigned int msg_stream_id, std::string data){
chunkpack ch;
timeval t;
gettimeofday(&t, 0);
ch.cs_id = cs_id;
ch.timestamp = t.tv_sec;
ch.timestamp = getNowMS();
ch.len = data.size();
ch.real_len = data.size();
ch.len_left = 0;
@ -207,18 +215,15 @@ void SendChunk(unsigned int cs_id, unsigned char msg_type_id, unsigned int msg_s
}//SendChunk
//sends a media chunk
void SendMedia(unsigned char msg_type_id, unsigned char * data, int len){
if ((msg_type_id != 8) && (msg_type_id != 9)) return;//only parse audio and video
void SendMedia(unsigned char msg_type_id, unsigned char * data, int len, unsigned int ts){
chunkpack ch;
timeval t;
gettimeofday(&t, 0);
ch.cs_id = msg_type_id;
ch.timestamp = t.tv_sec;
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 = 10;
ch.msg_stream_id = 1;
ch.data = (unsigned char*)malloc(len);
memcpy(ch.data, data, len);
SendChunk(ch);
@ -228,10 +233,8 @@ void SendMedia(unsigned char msg_type_id, unsigned char * data, int len){
//sends a control message
void SendCTL(unsigned char type, unsigned int data){
chunkpack ch;
timeval t;
gettimeofday(&t, 0);
ch.cs_id = 2;
ch.timestamp = t.tv_sec;
ch.timestamp = getNowMS();
ch.len = 4;
ch.real_len = 4;
ch.len_left = 0;
@ -247,10 +250,8 @@ void SendCTL(unsigned char type, unsigned int data){
//sends a control message
void SendCTL(unsigned char type, unsigned int data, unsigned char data2){
chunkpack ch;
timeval t;
gettimeofday(&t, 0);
ch.cs_id = 2;
ch.timestamp = t.tv_sec;
ch.timestamp = getNowMS();
ch.len = 5;
ch.real_len = 5;
ch.len_left = 0;
@ -267,10 +268,8 @@ void SendCTL(unsigned char type, unsigned int data, unsigned char data2){
//sends a usr control message
void SendUSR(unsigned char type, unsigned int data){
chunkpack ch;
timeval t;
gettimeofday(&t, 0);
ch.cs_id = 2;
ch.timestamp = t.tv_sec;
ch.timestamp = getNowMS();
ch.len = 6;
ch.real_len = 6;
ch.len_left = 0;
@ -288,10 +287,8 @@ void SendUSR(unsigned char type, unsigned int data){
//sends a usr control message
void SendUSR(unsigned char type, unsigned int data, unsigned int data2){
chunkpack ch;
timeval t;
gettimeofday(&t, 0);
ch.cs_id = 2;
ch.timestamp = t.tv_sec;
ch.timestamp = getNowMS();
ch.len = 10;
ch.real_len = 10;
ch.len_left = 0;
@ -353,13 +350,13 @@ struct chunkpack getChunk(){
fread(&temp, 1, 1, stdin);
ret.msg_type_id = temp;
fread(&temp, 1, 1, stdin);
ret.msg_stream_id = temp*256*256*256;
fread(&temp, 1, 1, stdin);
ret.msg_stream_id += temp*256*256;
ret.msg_stream_id = temp;
fread(&temp, 1, 1, stdin);
ret.msg_stream_id += temp*256;
fread(&temp, 1, 1, stdin);
ret.msg_stream_id += temp;
ret.msg_stream_id += temp*256*256;
fread(&temp, 1, 1, stdin);
ret.msg_stream_id += temp*256*256*256;
rec_cnt+=11;
break;
case 0x40:
@ -459,7 +456,12 @@ chunkpack * AddChunkPart(chunkpack newchunk){
}else{
p = it->second;
tmpdata = (unsigned char*)realloc(p->data, p->real_len + newchunk.real_len);
if (tmpdata == 0){fprintf(stderr, "Error allocating memory!\n");return 0;}
if (tmpdata == 0){
#ifdef DEBUG
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;

View file

@ -4,7 +4,7 @@ struct Handshake {
char Random[1528];
};//Handshake
char * versionstring = "PLSRTMPServer";
char versionstring[] = "PLSRTMPServer";
void doHandshake(){
srand(time(NULL));

View file

@ -1,3 +1,4 @@
#define DEBUG
#include <iostream>
#include <cstdlib>
#include <cstdio>
@ -21,37 +22,61 @@ timeval lastrec;
#include "flv_sock.cpp" //FLV parsing with SocketW
int main(){
unsigned int ts;
unsigned int fts = 0;
unsigned int ftst;
SWUnixSocket ss;
fd_set pollset;
struct timeval timeout;
struct timeval now;
//0 timeout - return immediately after select call
timeout.tv_sec = 1; timeout.tv_usec = 0;
FD_ZERO(&pollset);//clear the polling set
FD_SET(0, &pollset);//add stdin to polling set
//first timestamp set
firsttime = getNowMS();
#ifdef DEBUG
fprintf(stderr, "Doing handshake...\n");
#endif
doHandshake();
#ifdef DEBUG
fprintf(stderr, "Starting processing...\n");
#endif
while (!feof(stdin)){
select(1, &pollset, 0, 0, &timeout);
//only parse input from stdin if available or not yet init'ed
if (FD_ISSET(0, &pollset) || !ready4data){parseChunk();fflush(stdout);}// || !ready4data?
if (FD_ISSET(0, &pollset) || !ready4data || (snd_cnt - snd_window_at >= snd_window_size)){parseChunk();fflush(stdout);}// || !ready4data?
if (ready4data){
if (!inited){
//we are ready, connect the socket!
if (!ss.connect("../shared_socket")){
#ifdef DEBUG
fprintf(stderr, "Could not connect to server!\n");
#endif
return 1;
}
FLV_Readheader(ss);//read the header, we don't want it
#ifdef DEBUG
fprintf(stderr, "Header read, starting to send video data...\n");
#endif
inited = true;
}
//only send data if previous data has been ACK'ed...
if (snd_cnt - snd_window_at < snd_window_size){
if (FLV_GetPacket(ss)){//able to read a full packet?
SendMedia((unsigned char)FLVbuffer[0], (unsigned char *)FLVbuffer+11, FLV_len-15);
ts = FLVbuffer[7] * 256*256*256;
ts += FLVbuffer[4] * 256*256;
ts += FLVbuffer[5] * 256;
ts += FLVbuffer[6];
if (fts == 0){fts = ts;ftst = getNowMS();}
ts -= fts;
FLVbuffer[7] = ts / (256*256*256);
FLVbuffer[4] = ts / (256*256);
FLVbuffer[5] = ts / 256;
FLVbuffer[6] = ts % 256;
ts += ftst;
SendMedia((unsigned char)FLVbuffer[0], (unsigned char *)FLVbuffer+11, FLV_len-15, ts);
}
}
}

View file

@ -7,76 +7,115 @@ void parseChunk(){
static chunkpack next;
static AMFType amfdata("empty", (unsigned char)0xFF);
static AMFType amfelem("empty", (unsigned char)0xFF);
static int tmpint;
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);
#ifdef DEBUG
fprintf(stderr, "CTRL: Set chunk size: %i\n", chunk_rec_max);
#endif
break;
case 2://abort message - we ignore this one
#ifdef DEBUG
fprintf(stderr, "CTRL: Abort message\n");
#endif
//4 bytes of stream id to drop
break;
case 3://ack
#ifdef DEBUG
fprintf(stderr, "CTRL: Acknowledgement\n");
#endif
snd_window_at = ntohl(*(int*)next.data);
//maybe better? snd_window_at = snd_cnt;
break;
case 4:{
#ifdef DEBUG
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
#ifdef DEBUG
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:
#ifdef DEBUG
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:
#ifdef DEBUG
fprintf(stderr, "Received audio data\n");
#endif
break;
case 9:
#ifdef DEBUG
fprintf(stderr, "Received video data\n");
#endif
break;
case 15:
#ifdef DEBUG
fprintf(stderr, "Received AFM3 data message\n");
#endif
break;
case 16:
#ifdef DEBUG
fprintf(stderr, "Received AFM3 shared object\n");
#endif
break;
case 17:
#ifdef DEBUG
fprintf(stderr, "Received AFM3 command message\n");
#endif
break;
case 18:
#ifdef DEBUG
fprintf(stderr, "Received AFM0 data message\n");
#endif
break;
case 19:
#ifdef DEBUG
fprintf(stderr, "Received AFM0 shared object\n");
#endif
break;
case 20:{//AMF0 command message
bool parsed = false;
amfdata = parseAMF(next.data, next.real_len);
#ifdef DEBUG
fprintf(stderr, "Received AFM0 command message:\n");
amfdata.Print();
#endif
if (amfdata.getContentP(0)->StrValue() == "connect"){
#ifdef DEBUG
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)
SendCTL(5, snd_window_size);//send window acknowledgement size (msg 5)
SendUSR(0, 0);//send UCM StreamBegin (0), stream 0
//send a _result reply
AMFType amfreply("container", (unsigned char)0xFF);
@ -88,10 +127,10 @@ void parseChunk(){
amfreply.getContentP(2)->addContent(AMFType("capabilities", (double)31));//stolen from examples
amfreply.addContent(AMFType(""));//info
amfreply.getContentP(3)->addContent(AMFType("level", "status"));
amfreply.getContentP(3)->addContent(AMFType("code", "NetConnection.Connect.Sucess"));
amfreply.getContentP(3)->addContent(AMFType("code", "NetConnection.Connect.Success"));
amfreply.getContentP(3)->addContent(AMFType("description", "Connection succeeded."));
amfreply.getContentP(3)->addContent(AMFType("capabilities", (double)33));//from red5 server
amfreply.getContentP(3)->addContent(AMFType("fmsVer", "RED5/1,0,0,0"));//from red5 server
amfreply.getContentP(3)->addContent(AMFType("fmsVer", "PLS/1,0,0,0"));//from red5 server
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
//send onBWDone packet
//amfreply = AMFType("container", (unsigned char)0xFF);
@ -99,6 +138,7 @@ void parseChunk(){
//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
@ -106,18 +146,42 @@ void parseChunk(){
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("", (double)10));//stream ID - we use 10
amfreply.addContent(AMFType("", (double)1));//stream ID - we use 1
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
#ifdef DEBUG
fprintf(stderr, "AMF0 command: createStream result\n");
#endif
parsed = true;
}//createStream
if (amfdata.getContentP(0)->StrValue() == "getMovLen"){
if ((amfdata.getContentP(0)->StrValue() == "getStreamLength") || (amfdata.getContentP(0)->StrValue() == "getMovLen")){
//send a _result reply
AMFType amfreply("container", (unsigned char)0xFF);
amfreply.addContent(AMFType("", "_result"));//result success
amfreply.addContent(amfdata.getContent(1));//same transaction ID
amfreply.addContent(AMFType("", (double)6000));//null - command info
amfreply.addContent(AMFType("", (double)0, 0x05));//null - command info
amfreply.addContent(AMFType("", (double)0));//zero length
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
}//createStream
#ifdef DEBUG
fprintf(stderr, "AMF0 command: getStreamLength result\n");
#endif
parsed = true;
}//getStreamLength
if (amfdata.getContentP(0)->StrValue() == "checkBandwidth"){
//send a _result reply
AMFType amfreply("container", (unsigned char)0xFF);
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("", (double)0, 0x05));//null - command info
SendChunk(3, 20, 1, amfreply.Pack());
#ifdef DEBUG
fprintf(stderr, "AMF0 command: checkBandwidth result\n");
#endif
parsed = true;
}//checkBandwidth
if ((amfdata.getContentP(0)->StrValue() == "play") || (amfdata.getContentP(0)->StrValue() == "play2")){
//send streambegin
SendUSR(0, 1);//send UCM StreamBegin (0), stream 1
//send a status reply
AMFType amfreply("container", (unsigned char)0xFF);
amfreply.addContent(AMFType("", "onStatus"));//status reply
@ -127,7 +191,9 @@ void parseChunk(){
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..."));
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
amfreply.getContentP(3)->addContent(AMFType("details", "PLS"));
amfreply.getContentP(3)->addContent(AMFType("clientid", (double)1));
SendChunk(4, 20, next.msg_stream_id, amfreply.Pack());
amfreply = AMFType("container", (unsigned char)0xFF);
amfreply.addContent(AMFType("", "onStatus"));//status reply
amfreply.addContent(amfdata.getContent(1));//same transaction ID
@ -136,17 +202,32 @@ void parseChunk(){
amfreply.getContentP(3)->addContent(AMFType("level", "status"));
amfreply.getContentP(3)->addContent(AMFType("code", "NetStream.Play.Start"));
amfreply.getContentP(3)->addContent(AMFType("description", "Playing!"));
SendChunk(3, 20, next.msg_stream_id, amfreply.Pack());
amfreply.getContentP(3)->addContent(AMFType("details", "PLS"));
amfreply.getContentP(3)->addContent(AMFType("clientid", (double)1));
SendChunk(4, 20, 1, amfreply.Pack());
chunk_snd_max = 1024*1024;
SendCTL(1, chunk_snd_max);//send chunk size max (msg 1)
ready4data = true;//start sending video data!
#ifdef DEBUG
fprintf(stderr, "AMF0 command: play result\n");
#endif
parsed = true;
}//createStream
if (!parsed){
#ifdef DEBUG
fprintf(stderr, "AMF0 command not processed! :(\n");
#endif
}
} break;
case 22:
#ifdef DEBUG
fprintf(stderr, "Received aggregate message\n");
#endif
break;
default:
#ifdef DEBUG
fprintf(stderr, "Unknown chunk received!\n");
#endif
break;
}
}//parseChunk

View file

@ -21,6 +21,8 @@ int main( int argc, char * argv[] ) {
std::cout << "usage: " << argv[0] << " buffers_count max_clients" << std::endl;
return 1;
}
int metabuflen = 0;
char * metabuffer = 0;
int buffers = atoi(argv[1]);
int connections = atoi(argv[2]);
buffer ** ringbuf = (buffer**) calloc (buffers,sizeof(buffer*));
@ -50,7 +52,11 @@ int main( int argc, char * argv[] ) {
} else {
FLV_GetPacket(ringbuf[current_buffer]->FLV);
//if video frame? (id 9) check for incoming connections
if (ringbuf[current_buffer]->FLV->data[0] == 9) {
if (ringbuf[current_buffer]->FLV->data[0] == 0x12){
metabuflen = ringbuf[current_buffer]->FLV->len;
metabuffer = (char*)realloc(metabuffer, metabuflen);
memcpy(metabuffer, ringbuf[current_buffer]->FLV->data, metabuflen);
}
incoming = listener.accept(&BError);
if (incoming){
open_connection = get_empty(connectionList,connections);
@ -65,10 +71,14 @@ int main( int argc, char * argv[] ) {
connectionList[open_connection]->disconnect();
std::cout << "Client " << open_connection << " failed to receive the header!" << std::endl;
}
std::cout << "Client " << open_connection << " received header!" << std::endl;
if (connectionList[open_connection]->Conn->send(metabuffer,metabuflen,0) != metabuflen){
connectionList[open_connection]->disconnect();
std::cout << "Client " << open_connection << " failed to receive metadata!" << std::endl;
}
std::cout << "Client " << open_connection << " received metadata and header!" << std::endl;
}else{
std::cout << "New client not connected: no more connections!" << std::endl;
}
incoming->disconnect();
}
}
ringbuf[current_buffer]->number = loopcount;
@ -83,6 +93,6 @@ int main( int argc, char * argv[] ) {
// disconnect listener
std::cout << "Reached EOF of input" << std::endl;
listener.disconnect();
listener.disconnect(&BError);
return 0;
}