C++ Connection::connected方法代码示例

int main(int argc, char ** argv){
  Util::Config conf(argv[0], PACKAGE_VERSION);
  conf.addConnectorOptions(1935);
  conf.parseArgs(argc, argv);
  Socket::Server server_socket = Socket::Server("/tmp/mist/http_smooth");
  if ( !server_socket.connected()){
    return 1;
  }
  conf.activate();

  while (server_socket.connected() && conf.is_active){
    Socket::Connection 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 Connector_HTTP::Connector_HTTP_Dynamic(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
  server_socket.close();
  return 0;
} //main

int main(int argc, char ** argv){
  Util::Config conf(argv[0], PACKAGE_VERSION);
  conf.addOption("streamname",
      JSON::fromString("{\"arg\":\"string\",\"arg_num\":1,\"help\":\"The name of the stream that this connector will transmit.\"}"));
  conf.addConnectorOptions(8888);
  conf.parseArgs(argc, argv);
  Socket::Server server_socket = Socket::Server(conf.getInteger("listen_port"), conf.getString("listen_interface"));
  if ( !server_socket.connected()){
    return 1;
  }
  conf.activate();

  while (server_socket.connected() && conf.is_active){
    Socket::Connection 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 Connector_TS::tsConnector(S, conf.getString("streamname"));
      }else{ //otherwise, do nothing or output debugging text
#if DEBUG >= 5
        fprintf(stderr, "Spawned new process %i for socket %i\n", (int)myid, S.getSocket());
#endif
      }
    }
  } //while connected
  server_socket.close();
  return 0;
} //main

/// Blocks until either the stream encounters a pause mark or the sourceSocket errors.
/// This function is intended to be run after the 'q' command is sent, throwing away superfluous packets.
/// It will time out after 5 seconds, disconnecting the sourceSocket.
void DTSC::Stream::waitForPause(Socket::Connection & sourceSocket) {
  bool wasBlocking = sourceSocket.isBlocking();
  sourceSocket.setBlocking(false);
  //cancel the attempt after 5000 milliseconds
  long long int start = Util::getMS();
  while (lastType() != DTSC::PAUSEMARK && sourceSocket.connected() && Util::getMS() - start < 5000) {
    //we have data? parse it
    if (sourceSocket.Received().size()) {
      //return value is ignored because we're not interested.
      parsePacket(sourceSocket.Received());
    }
    //still no pause mark? check for more data
    if (lastType() != DTSC::PAUSEMARK) {
      if (sourceSocket.spool()) {
        //more received? attempt to read
        //return value is ignored because we're not interested in data packets, just metadata.
        parsePacket(sourceSocket.Received());
      } else {
        //nothing extra to receive? wait a bit and retry
        Util::sleep(10);
      }
    }
  }
  sourceSocket.setBlocking(wasBlocking);
  //if the timeout has passed, close the socket
  if (Util::getMS() - start >= 5000) {
    sourceSocket.close();
    //and optionally print a debug message that this happened
    DEBUG_MSG(DLVL_DEVEL, "Timing out while waiting for pause break");
  }
}

 void handleStats(void * empty){
   if (empty != 0){return;}
   std::string double_newline = "\n\n";
   Socket::Connection StatsSocket = Socket::Connection("/tmp/mist/statistics", true);
   while (buffer_running){
     usleep(1000000); //sleep one second
     if (!StatsSocket.connected()){
       StatsSocket = Socket::Connection("/tmp/mist/statistics", true);
     }
     if (StatsSocket.connected()){
       StatsSocket.Send(Stream::get()->getStats());
       StatsSocket.Send(double_newline);
       StatsSocket.flush();
     }
   }
   StatsSocket.close();
 }

  /// Starts a loop, waiting for connections to send data to.
  int Start(int argc, char ** argv) {
    Util::Config conf = Util::Config(argv[0], PACKAGE_VERSION);
    conf.addOption("stream_name", JSON::fromString("{\"arg_num\":1, \"arg\":\"string\", \"help\":\"Name of the stream this buffer will be providing.\"}"));
    conf.addOption("awaiting_ip", JSON::fromString("{\"arg_num\":2, \"arg\":\"string\", \"default\":\"\", \"help\":\"IP address to expect incoming data from. This will completely disable reading from standard input if used.\"}"));
    conf.addOption("reportstats", JSON::fromString("{\"default\":0, \"help\":\"Report stats to a controller process.\", \"short\":\"s\", \"long\":\"reportstats\"}"));
    conf.parseArgs(argc, argv);

    std::string name = conf.getString("stream_name");

    SS = Util::Stream::makeLive(name);
    if (!SS.connected()) {
      perror("Could not create stream socket");
      return 1;
    }
    conf.activate();
    thisStream = Stream::get();
    thisStream->setName(name);
    Socket::Connection incoming;
    Socket::Connection std_input(fileno(stdin));

    tthread::thread * StatsThread = 0;
    if (conf.getBool("reportstats")){StatsThread = new tthread::thread(handleStats, 0);}
    tthread::thread * StdinThread = 0;
    std::string await_ip = conf.getString("awaiting_ip");
    if (await_ip == ""){
      StdinThread = new tthread::thread(handleStdin, 0);
    }else{
      thisStream->setWaitingIP(await_ip);
      StdinThread = new tthread::thread(handlePushin, 0);
    }

    while (buffer_running && SS.connected() && conf.is_active){
      //check for new connections, accept them if there are any
      //starts a thread for every accepted connection
      incoming = SS.accept(true);
      if (incoming.connected()){
        user * usr_ptr = new user(incoming);
        thisStream->addUser(usr_ptr);
        usr_ptr->Thread = new tthread::thread(handleUser, (void *)usr_ptr);
      }
    }//main loop

    // disconnect listener
    buffer_running = false;
    std::cout << "End of input file - buffer shutting down" << std::endl;
    SS.close();
    if (StatsThread){StatsThread->join();}
    StdinThread->join();
    delete thisStream;
    return 0;
  }

int main(int argc, char ** argv){
  Util::Config conf(argv[0], PACKAGE_VERSION);
  JSON::Value capa;
  capa["desc"] = "Enables the raw MPEG Transport Stream protocol over TCP.";
  capa["deps"] = "";
  capa["required"]["streamname"]["name"] = "Stream";
  capa["required"]["streamname"]["help"] = "What streamname to serve. For multiple streams, add this protocol multiple times using different ports.";
  capa["required"]["streamname"]["type"] = "str";
  capa["required"]["streamname"]["option"] = "--stream";
  capa["optional"]["tracks"]["name"] = "Tracks";
  capa["optional"]["tracks"]["help"] = "The track IDs of the stream that this connector will transmit separated by spaces";
  capa["optional"]["tracks"]["type"] = "str";
  capa["optional"]["tracks"]["option"] = "--tracks";
  conf.addOption("streamname",
      JSON::fromString("{\"arg\":\"string\",\"short\":\"s\",\"long\":\"stream\",\"help\":\"The name of the stream that this connector will transmit.\"}"));
  conf.addOption("tracks",
      JSON::fromString("{\"arg\":\"string\",\"value\":[\"\"],\"short\": \"t\",\"long\":\"tracks\",\"help\":\"The track IDs of the stream that this connector will transmit separated by spaces.\"}"));
  conf.addConnectorOptions(8888, capa);
  bool ret = conf.parseArgs(argc, argv);
  if (conf.getBool("json")){
    std::cout << capa.toString() << std::endl;
    return -1;
  }
  if (!ret){
    std::cerr << "Usage error: missing argument(s)." << std::endl;
    conf.printHelp(std::cout);
    return 1;
  }
  
  Socket::Server server_socket = Socket::Server(conf.getInteger("listen_port"), conf.getString("listen_interface"));
  if ( !server_socket.connected()){
    return 1;
  }
  conf.activate();

  while (server_socket.connected() && conf.is_active){
    Socket::Connection 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 Connector_TS::tsConnector(S, conf.getString("streamname"), conf.getString("tracks"));
      }else{ //otherwise, do nothing or output debugging text
#if DEBUG >= 5
        fprintf(stderr, "Spawned new process %i for socket %i\n", (int)myid, S.getSocket());
#endif
      }
    }
  } //while connected
  server_socket.close();
  return 0;
} //main

///\brief 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){
  Util::Config conf(argv[0], PACKAGE_VERSION);
  JSON::Value capa;
  conf.addBasicConnectorOptions(capa);
  conf.addOption("stream_name", JSON::fromString("{\"arg_num\":1, \"help\":\"Name of the stream to write to stdout.\"}"));
  conf.parseArgs(argc, argv);

  if (conf.getBool("json")){
    std::cout << "null" << std::endl;
    return -1;
  }

  //connect to the proper stream
  Socket::Connection S = Util::Stream::getStream(conf.getString("stream_name"));
  S.setBlocking(false);
  if ( !S.connected()){
    std::cout << "Could not open stream " << conf.getString("stream_name") << std::endl;
    return 1;
  }
  long long int lastStats = 0;
  long long int started = Util::epoch();
  while (std::cout.good()){
    if (S.spool()){
      while (S.Received().size()){
        std::cout.write(S.Received().get().c_str(), S.Received().get().size());
        S.Received().get().clear();
      }
    }else{
      Util::sleep(10); //sleep 10ms if no data
    }
    unsigned int now = Util::epoch();
    if (now != lastStats){
      lastStats = now;
      std::stringstream st;
      st << "S localhost RAW " << (Util::epoch() - started) << " " << S.dataDown() << " " << S.dataUp() << "\n";
      S.SendNow(st.str().c_str());
    }
  }
  std::stringstream st;
  st << "S localhost RAW " << (Util::epoch() - started) << " " << S.dataDown() << " " << S.dataUp() << "\n";
  S.SendNow(st.str().c_str());
  S.close();
  return 0;
}

///\brief The standard process-spawning main function.
int main(int argc, char ** argv){
  Util::Config conf(argv[0], PACKAGE_VERSION);
  JSON::Value capa;
  capa["desc"] = "Enables the RTMP protocol which is used by Adobe Flash Player.";
  capa["deps"] = "";
  capa["url_rel"] = "/play/$";
  capa["codecs"][0u][0u].append("H264");
  capa["codecs"][0u][0u].append("H263");
  capa["codecs"][0u][0u].append("VP6");
  capa["codecs"][0u][1u].append("AAC");
  capa["codecs"][0u][1u].append("MP3");
  capa["methods"][0u]["handler"] = "rtmp";
  capa["methods"][0u]["type"] = "flash/10";
  capa["methods"][0u]["priority"] = 6ll;
  conf.addConnectorOptions(1935, capa);
  conf.parseArgs(argc, argv);
  if (conf.getBool("json")){
    std::cout << capa.toString() << std::endl;
    return -1;
  }
  
  Socket::Server server_socket = Socket::Server(conf.getInteger("listen_port"), conf.getString("listen_interface"));
  if ( !server_socket.connected()){
    return 1;
  }
  conf.activate();

  while (server_socket.connected() && conf.is_active){
    Socket::Connection 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 Connector_RTMP::rtmpConnector(S);
      }else{ //otherwise, do nothing or output debugging text
#if DEBUG >= 5
        fprintf(stderr, "Spawned new process %i for socket %i\n", (int)myid, S.getSocket());
#endif
      }
    }
  } //while connected
  server_socket.close();
  return 0;
} //main

  /// Main function for Connector_HTTP_Dynamic
  int Connector_HTTP_Dynamic(Socket::Connection conn){
    std::deque<std::string> FlashBuf;
    std::vector<int> Timestamps;
    int FlashBufSize = 0;
    long long int FlashBufTime = 0;

    DTSC::Stream Strm; //Incoming stream buffer.
    HTTP::Parser HTTP_R, HTTP_S; //HTTP Receiver en HTTP Sender.

    bool ready4data = false; //Set to true when streaming is to begin.
    bool pending_manifest = false;
    bool receive_marks = false; //when set to true, this stream will ignore keyframes and instead use pause marks
    bool inited = false;
    Socket::Connection ss( -1);
    std::string streamname;
    std::string recBuffer = "";

    bool wantsVideo = false;
    bool wantsAudio = false;

    std::string Quality;
    int Segment = -1;
    long long int ReqFragment = -1;
    int temp;
    std::string tempStr;
    int Flash_RequestPending = 0;
    unsigned int lastStats = 0;
    conn.setBlocking(false); //do not block on conn.spool() when no data is available

    while (conn.connected()){
      if (conn.spool() || conn.Received().size()){
        //make sure it ends in a \n
        if ( *(conn.Received().get().rbegin()) != '\n'){
          std::string tmp = conn.Received().get();
          conn.Received().get().clear();
          if (conn.Received().size()){
            conn.Received().get().insert(0, tmp);
          }else{
            conn.Received().append(tmp);
          }
        }
        if (HTTP_R.Read(conn.Received().get())){
#if DEBUG >= 4
          std::cout << "Received request: " << HTTP_R.getUrl() << std::endl;
#endif
          conn.setHost(HTTP_R.GetHeader("X-Origin"));
          if (HTTP_R.url.find("Manifest") == std::string::npos){
            streamname = HTTP_R.url.substr(8, HTTP_R.url.find("/", 8) - 12);
            if ( !ss){
              ss = Util::Stream::getStream(streamname);
              if ( !ss.connected()){
#if DEBUG >= 1
                fprintf(stderr, "Could not connect to server!\n");
#endif
                ss.close();
                HTTP_S.Clean();
                HTTP_S.SetBody("No such stream " + streamname + " is available on the system. Please try again.\n");
                conn.SendNow(HTTP_S.BuildResponse("404", "Not found"));
                ready4data = false;
                continue;
              }
              ss.setBlocking(false);
              inited = true;
            }
            Quality = HTTP_R.url.substr(HTTP_R.url.find("/Q(", 8) + 3);
            Quality = Quality.substr(0, Quality.find(")"));
            tempStr = HTTP_R.url.substr(HTTP_R.url.find(")/") + 2);
            wantsAudio = false;
            wantsVideo = false;
            if (tempStr[0] == 'A'){
              wantsAudio = true;
            }
            if (tempStr[0] == 'V'){
              wantsVideo = true;
            }
            tempStr = tempStr.substr(tempStr.find("(") + 1);
            ReqFragment = atoll(tempStr.substr(0, tempStr.find(")")).c_str());
#if DEBUG >= 4
            printf("Quality: %s, Frag %d\n", Quality.c_str(), (ReqFragment / 10000));
#endif
            std::stringstream sstream;
            sstream << "s " << (ReqFragment / 10000) << "\no \n";
            ss.SendNow(sstream.str().c_str());
            Flash_RequestPending++;
          }else{
            streamname = HTTP_R.url.substr(8, HTTP_R.url.find("/", 8) - 12);
            if ( !Strm.metadata.isNull()){
              HTTP_S.Clean();
              HTTP_S.SetHeader("Content-Type", "text/xml");
              HTTP_S.SetHeader("Cache-Control", "no-cache");
              if (Strm.metadata.isMember("length")){
                receive_marks = true;
              }
              std::string manifest = BuildManifest(streamname, Strm.metadata);
              HTTP_S.SetBody(manifest);
              conn.SendNow(HTTP_S.BuildResponse("200", "OK"));
#if DEBUG >= 3
              printf("Sent manifest\n");
#endif
//.........这里部分代码省略.........

///\brief Starts a loop, waiting for connections to send data to.
///\param argc The number of arguments to the program.
///\param argv The arguments to the program.
///\return The return code of the buffer.
int Start(int argc, char ** argv){

	/*std::ofstream myfile  ("/home/sharvanath/mistserver/test.txt",std::ios::app);
	//struct sockaddr add;
	//socklen_t add_length=sizeof(struct sockaddr);
	//getsockname(incoming.sock, &add,&add_length);

	myfile<<"hello1\n";
	//myfile << "the family here is : "<<add.sa_family<<"\n";

	myfile.close();
	*/
	
	Util::Config conf = Util::Config(argv[0], PACKAGE_VERSION);
	conf.addOption("stream_name",
			JSON::fromString("{\"arg_num\":1, \"arg\":\"string\", \"help\":\"Name of the stream this buffer will be providing.\"}"));
	conf.addOption("awaiting_ip",
			JSON::fromString(
					"{\"arg_num\":2, \"arg\":\"string\", \"default\":\"\", \"help\":\"IP address to expect incoming data from. This will completely disable reading from standard input if used.\"}"));
	conf.addOption("reportstats",
			JSON::fromString("{\"default\":0, \"help\":\"Report stats to a controller process.\", \"short\":\"s\", \"long\":\"reportstats\"}"));
	conf.addOption("time",
			JSON::fromString(
					"{\"default\":0, \"arg\": \"integer\", \"help\":\"Buffer a specied amount of time in ms.\", \"short\":\"t\", \"long\":\"time\"}"));
	conf.parseArgs(argc, argv);

	std::string name = conf.getString("stream_name");

	SS = Util::Stream::makeLive(name);
	if ( !SS.connected()){
		perror("Could not create stream socket");
		return 1;
	}
	SS.setBlocking(false);
	conf.activate();
	thisStream = Stream::get();
	thisStream->setName(name);
	thisStream->getStream()->setBufferTime(conf.getInteger("time"));
	Socket::Connection incoming;
	Socket::Connection std_input(fileno(stdin));

	if (conf.getBool("reportstats")){
		tthread::thread StatsThread(handleStats, 0);
		StatsThread.detach();
	}
	std::string await_ip = conf.getString("awaiting_ip");
	if (await_ip == ""){
		tthread::thread StdinThread(handleStdin, 0);
		StdinThread.detach();
	}else{
		thisStream->setWaitingIP(await_ip);
		tthread::thread StdinThread(handlePushin, 0);
		StdinThread.detach();
	}

	while (buffer_running && SS.connected() && conf.is_active){
		//check for new connections, accept them if there are any
		//starts a thread for every accepted connection
		//sharva_mod	
		incoming = SS.accept(true);
		if (incoming.connected()){
			tthread::thread thisUser(handleUser, (void *)new user(incoming));
			thisUser.detach();


		}else{
			Util::sleep(50);//sleep 50ms
		}
	} //main loop

	// disconnect listener
	buffer_running = false;
	std::cout << "Buffer shutting down" << std::endl;
	SS.close();
	if (thisStream->getIPInput().connected()){
		thisStream->getIPInput().close();
	}
	delete thisStream;
	return 0;
}

  ///\brief Main function for the HTTP Dynamic Connector
  ///\param conn A socket describing the connection the client.
  ///\return The exit code of the connector.
  int dynamicConnector(Socket::Connection conn){
    std::deque<std::string> FlashBuf;
    int FlashBufSize = 0;
    long long int FlashBufTime = 0;
    FLV::Tag tmp; //temporary tag

    DTSC::Stream Strm; //Incoming stream buffer.
    HTTP::Parser HTTP_R, HTTP_S; //HTTP Receiver en HTTP Sender.

    Socket::Connection ss( -1);
    std::string streamname;
    std::string recBuffer = "";

    std::string Quality;
    int Segment = -1;
    int ReqFragment = -1;
    unsigned int lastStats = 0;
    conn.setBlocking(false); //do not block on conn.spool() when no data is available

    while (conn.connected()){
      if (conn.spool() || conn.Received().size()){
        //make sure it ends in a \n
        if ( *(conn.Received().get().rbegin()) != '\n'){
          std::string tmp = conn.Received().get();
          conn.Received().get().clear();
          if (conn.Received().size()){
            conn.Received().get().insert(0, tmp);
          }else{
            conn.Received().append(tmp);
          }
        }
        if (HTTP_R.Read(conn.Received().get())){
#if DEBUG >= 5
          std::cout << "Received request: " << HTTP_R.getUrl() << std::endl;
#endif
          conn.setHost(HTTP_R.GetHeader("X-Origin"));
          streamname = HTTP_R.GetHeader("X-Stream");
          if ( !ss){
            ss = Util::Stream::getStream(streamname);
            if ( !ss.connected()){
              HTTP_S.Clean();
              HTTP_S.SetBody("No such stream is available on the system. Please try again.\n");
              conn.SendNow(HTTP_S.BuildResponse("404", "Not found"));
              continue;
            }
            ss.setBlocking(false);
            //make sure metadata is received
            while ( !Strm.metadata && ss.connected()){
              if (ss.spool()){
                while (Strm.parsePacket(ss.Received())){
                  //do nothing
                }
              }
            }
          }
          if (HTTP_R.url.find(".abst") != std::string::npos){
            HTTP_S.Clean();
            HTTP_S.SetBody(dynamicBootstrap(streamname, Strm.metadata));
            HTTP_S.SetHeader("Content-Type", "binary/octet");
            HTTP_S.SetHeader("Cache-Control", "no-cache");
            conn.SendNow(HTTP_S.BuildResponse("200", "OK"));
            HTTP_R.Clean(); //clean for any possible next requests
            continue;
          }
          if (HTTP_R.url.find("f4m") == std::string::npos){
            Quality = HTTP_R.url.substr(HTTP_R.url.find("/", 10) + 1);
            Quality = Quality.substr(0, Quality.find("Seg"));
            int temp;
            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 >= 5
            printf("Quality: %s, Seg %d Frag %d\n", Quality.c_str(), Segment, ReqFragment);
#endif
            if (Strm.metadata.isMember("live")){
              int seekable = Strm.canSeekFrame(ReqFragment);
              if (seekable == 0){
                // iff the fragment in question is available, check if the next is available too
                seekable = Strm.canSeekFrame(ReqFragment + 1);
              }
              if (seekable < 0){
                HTTP_S.Clean();
                HTTP_S.SetBody("The requested fragment is no longer kept in memory on the server and cannot be served.\n");
                conn.SendNow(HTTP_S.BuildResponse("412", "Fragment out of range"));
                HTTP_R.Clean(); //clean for any possible next requests
                std::cout << "Fragment @ F" << ReqFragment << " too old (F" << Strm.metadata["keynum"][0u].asInt() << " - " << Strm.metadata["keynum"][Strm.metadata["keynum"].size() - 1].asInt() << ")" << std::endl;
                continue;
              }
              if (seekable > 0){
                HTTP_S.Clean();
                HTTP_S.SetBody("Proxy, re-request this in a second or two.\n");
                conn.SendNow(HTTP_S.BuildResponse("208", "Ask again later"));
                HTTP_R.Clean(); //clean for any possible next requests
                std::cout << "Fragment @ F" << ReqFragment << " not available yet (F" << Strm.metadata["keynum"][0u].asInt() << " - " << Strm.metadata["keynum"][Strm.metadata["keynum"].size() - 1].asInt() << ")" << std::endl;
                continue;
              }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
              break;
            case 6:
              fprintf(stderr, "CTRL: UCM PingRequest %i\n", ntohl(*((int*)(next.data.c_str()+2))));
              break;
            case 7:
              fprintf(stderr, "CTRL: UCM PingResponse %i\n", ntohl(*((int*)(next.data.c_str()+2))));
              break;
            default:
              fprintf(stderr, "CTRL: UCM Unknown (%hi)\n", ucmtype);
              break;
          }
  #endif
        }
          break;
        case 5: //window size of other end
  #if DEBUG >= 5
          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.Send(RTMPStream::SendCTL(3, RTMPStream::rec_cnt)); //send ack (msg 3)
          break;
        case 6:
  #if DEBUG >= 5
          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.Send(RTMPStream::SendCTL(5, RTMPStream::snd_window_size)); //send window acknowledgement size (msg 5)
          break;
        case 8: //audio data
        case 9: //video data
        case 18: //meta data
          if (ss.connected()){
            if (streamReset){
              //reset push data to empty, in case stream properties change
              meta_out.null();
              prebuffer.str("");
              sending = false;
              counter = 0;
              streamReset = false;
            }
            F.ChunkLoader(next);
            JSON::Value pack_out = F.toJSON(meta_out);
            if ( !pack_out.isNull()){
              if ( !sending){
                counter++;
                if (counter > 8){
                  sending = true;
                  ss.SendNow(meta_out.toNetPacked());
                  ss.SendNow(prebuffer.str().c_str(), prebuffer.str().size()); //write buffer
                  prebuffer.str(""); //clear buffer
                  ss.SendNow(pack_out.toNetPacked());
                }else{
                  prebuffer << pack_out.toNetPacked();
                }
              }else{
                ss.SendNow(pack_out.toNetPacked());
              }
            }
          }else{
  #if DEBUG >= 5
            fprintf(stderr, "Received useless media data\n");
  #endif
            Socket.close();
          }

/// After receiving a header with this object, this function call will:
/// - Forward the headers to the 'to' Socket::Connection.
/// - Retrieve all the body from the 'from' Socket::Connection.
/// - Forward those contents as-is to the 'to' Socket::Connection.
/// It blocks until completed or either of the connections reaches an error state.
void HTTP::Parser::Proxy(Socket::Connection & from, Socket::Connection & to) {
  SendResponse(url, method, to);
  if (getChunks) {
    unsigned int proxyingChunk = 0;
    while (to.connected() && from.connected()) {
      if ((from.Received().size() && (from.Received().size() > 1 || *(from.Received().get().rbegin()) == '\n')) || from.spool()) {
        if (proxyingChunk) {
          while (proxyingChunk && from.Received().size()) {
            unsigned int toappend = from.Received().get().size();
            if (toappend > proxyingChunk) {
              toappend = proxyingChunk;
              to.SendNow(from.Received().get().c_str(), toappend);
              from.Received().get().erase(0, toappend);
            } else {
              to.SendNow(from.Received().get());
              from.Received().get().clear();
            }
            proxyingChunk -= toappend;
          }
        } else {
          //Make sure the received data ends in a newline (\n).
          if (*(from.Received().get().rbegin()) != '\n') {
            if (from.Received().size() > 1) {
              //make a copy of the first part
              std::string tmp = from.Received().get();
              //clear the first part, wiping it from the partlist
              from.Received().get().clear();
              from.Received().size();
              //take the now first (was second) part, insert the stored part in front of it
              from.Received().get().insert(0, tmp);
            } else {
              Util::sleep(100);
            }
            if (*(from.Received().get().rbegin()) != '\n') {
              continue;
            }
          }
          //forward the size and any empty lines
          to.SendNow(from.Received().get());

          std::string tmpA = from.Received().get().substr(0, from.Received().get().size() - 1);
          while (tmpA.find('\r') != std::string::npos) {
            tmpA.erase(tmpA.find('\r'));
          }
          unsigned int chunkLen = 0;
          if (!tmpA.empty()) {
            for (unsigned int i = 0; i < tmpA.size(); ++i) {
              chunkLen = (chunkLen << 4) | unhex(tmpA[i]);
            }
            if (chunkLen == 0) {
              getChunks = false;
              to.SendNow("\r\n", 2);
              return;
            }
            proxyingChunk = chunkLen;
          }
          from.Received().get().clear();
        }
      } else {
        Util::sleep(100);
      }
    }
  } else {
    unsigned int bodyLen = length;
    while (bodyLen > 0 && to.connected() && from.connected()) {
      if (from.Received().size() || from.spool()) {
        if (from.Received().get().size() <= bodyLen) {
          to.SendNow(from.Received().get());
          bodyLen -= from.Received().get().size();
          from.Received().get().clear();
        } else {
          to.SendNow(from.Received().get().c_str(), bodyLen);
          from.Received().get().erase(0, bodyLen);
          bodyLen = 0;
        }
      } else {
        Util::sleep(100);
      }
    }
  }
}

  ///\brief Parses a single AMF command message, and sends a direct response through sendCommand().
  ///\param amfData The received request.
  ///\param messageType The type of message.
  ///\param streamId The ID of the AMF stream.
  void parseAMFCommand(AMF::Object & amfData, int messageType, int streamId){
  #if DEBUG >= 5
    fprintf(stderr, "Received command: %s\n", amfData.Print().c_str());
  #endif
  #if DEBUG >= 8
    fprintf(stderr, "AMF0 command: %s\n", amfData.getContentP(0)->StrValue().c_str());
  #endif
    if (amfData.getContentP(0)->StrValue() == "connect"){
      double objencoding = 0;
      if (amfData.getContentP(2)->getContentP("objectEncoding")){
        objencoding = amfData.getContentP(2)->getContentP("objectEncoding")->NumValue();
      }
  #if DEBUG >= 6
      int tmpint;
      if (amfData.getContentP(2)->getContentP("videoCodecs")){
        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");
        }
      }
      if (amfData.getContentP(2)->getContentP("audioCodecs")){
        tmpint = (int)amfData.getContentP(2)->getContentP("audioCodecs")->NumValue();
        if (tmpint & 0x04){
          fprintf(stderr, "MP3 audio support detected\n");
        }
        if (tmpint & 0x400){
          fprintf(stderr, "AAC audio support detected\n");
        }
      }
  #endif
      app_name = amfData.getContentP(2)->getContentP("tcUrl")->StrValue();
      app_name = app_name.substr(app_name.find('/', 7) + 1);
      RTMPStream::chunk_snd_max = 4096;
      Socket.Send(RTMPStream::SendCTL(1, RTMPStream::chunk_snd_max)); //send chunk size max (msg 1)
      Socket.Send(RTMPStream::SendCTL(5, RTMPStream::snd_window_size)); //send window acknowledgement size (msg 5)
      Socket.Send(RTMPStream::SendCTL(6, RTMPStream::rec_window_size)); //send rec window acknowledgement size (msg 6)
      Socket.Send(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/3,5,5,2004"));
      amfReply.getContentP(2)->addContent(AMF::Object("capabilities", (double)31));
      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("clientid", 1337));
      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"));
      sendCommand(amfReply, messageType, streamId);
      //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(amfData.getContent(1));//same transaction ID
      //amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null
      //sendCommand(amfReply, messageType, streamId);
      return;
    } //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
      sendCommand(amfReply, messageType, streamId);
      Socket.Send(RTMPStream::SendUSR(0, 1)); //send UCM StreamBegin (0), stream 1
      return;
    } //createStream
    if ((amfData.getContentP(0)->StrValue() == "closeStream") || (amfData.getContentP(0)->StrValue() == "deleteStream")){
      if (ss.connected()){
        ss.close();
      }
      return;
    }
    if ((amfData.getContentP(0)->StrValue() == "FCUnpublish") || (amfData.getContentP(0)->StrValue() == "releaseStream")){
      // ignored
      return;
    }
    if ((amfData.getContentP(0)->StrValue() == "FCPublish")){
      //send a FCPublic reply
      AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
      amfReply.addContent(AMF::Object("", "onFCPublish")); //status reply
      amfReply.addContent(AMF::Object("", 0, AMF::AMF0_NUMBER)); //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("code", "NetStream.Publish.Start"));
      amfReply.getContentP(3)->addContent(AMF::Object("description", "Please followup with publish command..."));
      sendCommand(amfReply, messageType, streamId);
//.........这里部分代码省略.........

  ///\brief Main function for the RTMP Connector
  ///\param conn A socket describing the connection the client.
  ///\return The exit code of the connector.
  int rtmpConnector(Socket::Connection conn){
    Socket = conn;
    Socket.setBlocking(false);
    FLV::Tag tag, init_tag;
    DTSC::Stream Strm;

    while ( !Socket.Received().available(1537) && Socket.connected()){
      Socket.spool();
      Util::sleep(5);
    }
    RTMPStream::handshake_in = Socket.Received().remove(1537);
    RTMPStream::rec_cnt += 1537;

    if (RTMPStream::doHandshake()){
      Socket.SendNow(RTMPStream::handshake_out);
      while ( !Socket.Received().available(1536) && Socket.connected()){
        Socket.spool();
        Util::sleep(5);
      }
      Socket.Received().remove(1536);
      RTMPStream::rec_cnt += 1536;
  #if DEBUG >= 5
      fprintf(stderr, "Handshake succcess!\n");
  #endif
    }else{
  #if DEBUG >= 5
      fprintf(stderr, "Handshake fail!\n");
  #endif
      return 0;
    }

    unsigned int lastStats = 0;
    bool firsttime = true;

    while (Socket.connected()){
      if (Socket.spool() || firsttime){
        parseChunk(Socket.Received());
        firsttime = false;
      }else{
        Util::sleep(1); //sleep 1ms to prevent high CPU usage
      }
      if (ready4data){
        if ( !inited){
          //we are ready, connect the socket!
          ss = Util::Stream::getStream(streamName);
          if ( !ss.connected()){
  #if DEBUG >= 1
            fprintf(stderr, "Could not connect to server!\n");
  #endif
            Socket.close(); //disconnect user
            break;
          }
          ss.setBlocking(false);
          Strm.waitForMeta(ss);
          //find first audio and video tracks
          for (JSON::ObjIter objIt = Strm.metadata["tracks"].ObjBegin(); objIt != Strm.metadata["tracks"].ObjEnd(); objIt++){
            if (videoID == -1 && objIt->second["type"].asStringRef() == "video"){
              videoID = objIt->second["trackid"].asInt();
            }
            if (audioID == -1 && objIt->second["type"].asStringRef() == "audio"){
              audioID = objIt->second["trackid"].asInt();
            }
          }
          //select the tracks and play
          std::stringstream cmd;
          cmd << "t";
          if (videoID != -1){
            cmd << " " << videoID;
          }
          if (audioID != -1){
            cmd << " " << audioID;
          }
          cmd << "\np\n";
          ss.SendNow(cmd.str().c_str());
          inited = true;
        }
        if (inited && !noStats){
          long long int now = Util::epoch();
          if (now != lastStats){
            lastStats = now;
            ss.SendNow(Socket.getStats("RTMP"));
          }
        }
        if (ss.spool()){
          while (Strm.parsePacket(ss.Received())){
            if (playTransaction != -1){
              //send a status reply
              AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
              amfreply.addContent(AMF::Object("", "onStatus")); //status reply
              amfreply.addContent(AMF::Object("", (double)playTransaction)); //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", "DDV"));
              amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
//.........这里部分代码省略.........