refine the thread model for the retry threads

@@ -81,11 +81,11 @@ vhost __defaultVhost__ {
 vhost dev {
     enabled         on;
     gop_cache       on;
-    hls             on;
+    hls             off;
     hls_path        ./objs/nginx/html;
     hls_fragment    5;
     hls_window      30;
-    #forward         127.0.0.1:19350;
+    forward         127.0.0.1:19350;
     http_hooks {
         enabled         off;
         on_connect      http://127.0.0.1:8085/api/v1/clients;
@@ -96,7 +96,7 @@ vhost dev {
         on_stop         http://127.0.0.1:8085/api/v1/sessions;
     }
     transcode {
-        enabled     off;
+        enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
         engine dev {
             enabled         on;

@@ -116,7 +116,7 @@ MODULE_FILES=("srs_core" "srs_core_log" "srs_core_server"
         "srs_core_handshake" "srs_core_pithy_print"
         "srs_core_config" "srs_core_refer" "srs_core_reload"
         "srs_core_hls" "srs_core_forward" "srs_core_encoder"
-        "srs_core_http")
+        "srs_core_http" "srs_core_thread")
 MODULE_DIR="src/core" . auto/modules.sh
 CORE_OBJS="${MODULE_OBJS[@]}"
 

@@ -111,3 +111,17 @@ void srs_vhost_resolve(std::string& vhost, std::string& app)
 		}
 	}
 }
+
+void srs_close_stfd(st_netfd_t& stfd)
+{
+	if (stfd) {
+		int fd = st_netfd_fileno(stfd);
+		st_netfd_close(stfd);
+		stfd = NULL;
+		
+		// st does not close it sometimes, 
+		// close it manually.
+		close(fd);
+	}
+}
+

@@ -46,6 +46,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <stddef.h>
 #include <sys/types.h>
 
+#include <st.h>
+
 // generated by configure.
 #include <srs_auto_headers.hpp>
 
@@ -102,4 +104,7 @@ extern std::string srs_dns_resolve(std::string host);
 //		app...vhost...request_vhost
 extern void srs_vhost_resolve(std::string& vhost, std::string& app);
 
+// close the netfd, and close the underlayer fd.
+extern void srs_close_stfd(st_netfd_t& stfd);
+
 #endif
\ No newline at end of file

@@ -36,15 +36,7 @@ SrsConnection::SrsConnection(SrsServer* srs_server, st_netfd_t client_stfd)
 
 SrsConnection::~SrsConnection()
 {
-	if (stfd) {
-		int fd = st_netfd_fileno(stfd);
-		st_netfd_close(stfd);
-		stfd = NULL;
-		
-		// st does not close it sometimes, 
-		// close it manually.
-		close(fd);
-	}
+	srs_close_stfd(stfd);
 }
 
 int SrsConnection::start()

@@ -30,8 +30,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_core.hpp>
 
-#include <st.h>
-
 class SrsServer;
 class SrsConnection
 {

@@ -483,52 +483,15 @@ void SrsFFMPEG::stop()
 
 SrsEncoder::SrsEncoder()
 {
-	tid = NULL;
-	loop = false;
+	pthread = new SrsThread(this, SRS_ENCODER_SLEEP_MS);
+	pithy_print = new SrsPithyPrint(SRS_STAGE_ENCODER);
 }
 
 SrsEncoder::~SrsEncoder()
 {
 	on_unpublish();
-}
-
-int SrsEncoder::parse_scope_engines(SrsRequest* req)
-{
-	int ret = ERROR_SUCCESS;
 	
-	// parse all transcode engines.
-	SrsConfDirective* conf = NULL;
-	
-	// parse vhost scope engines
-	std::string scope = "";
-	if ((conf = config->get_transcode(req->vhost, scope)) != NULL) {
-		if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) {
-			srs_error("parse vhost scope=%s transcode engines failed. "
-				"ret=%d", scope.c_str(), ret);
-			return ret;
-		}
-	}
-	// parse app scope engines
-	scope = req->app;
-	if ((conf = config->get_transcode(req->vhost, scope)) != NULL) {
-		if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) {
-			srs_error("parse app scope=%s transcode engines failed. "
-				"ret=%d", scope.c_str(), ret);
-			return ret;
-		}
-	}
-	// parse stream scope engines
-	scope += "/";
-	scope += req->stream;
-	if ((conf = config->get_transcode(req->vhost, scope)) != NULL) {
-		if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) {
-			srs_error("parse stream scope=%s transcode engines failed. "
-				"ret=%d", scope.c_str(), ret);
-			return ret;
-		}
-	}
-	
-	return ret;
+	srs_freep(pthread);
 }
 
 int SrsEncoder::on_publish(SrsRequest* req)
@@ -539,6 +502,7 @@ int SrsEncoder::on_publish(SrsRequest* req)
 	
 	// ignore the loop encoder
 	if (ret == ERROR_ENCODER_LOOP) {
+		clear_engines();
 		ret = ERROR_SUCCESS;
 	}
 	
@@ -548,9 +512,7 @@ int SrsEncoder::on_publish(SrsRequest* req)
 	}
     
     // start thread to run all encoding engines.
-    srs_assert(!tid);
-    if((tid = st_thread_create(encoder_thread, this, 1, 0)) == NULL) {
-		ret = ERROR_ST_CREATE_FORWARD_THREAD;
+    if ((ret = pthread->start()) != ERROR_SUCCESS) {
         srs_error("st_thread_create failed. ret=%d", ret);
         return ret;
     }
@@ -560,23 +522,58 @@ int SrsEncoder::on_publish(SrsRequest* req)
 
 void SrsEncoder::on_unpublish()
 {
-	if (tid) {
-		loop = false;
-		st_thread_interrupt(tid);
-		st_thread_join(tid, NULL);
-		tid = NULL;
+	pthread->stop();
+	clear_engines();
+}
+
+int SrsEncoder::cycle()
+{
+	int ret = ERROR_SUCCESS;
+	
+	std::vector<SrsFFMPEG*>::iterator it;
+	for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) {
+		SrsFFMPEG* ffmpeg = *it;
+		
+		// start all ffmpegs.
+		if ((ret = ffmpeg->start()) != ERROR_SUCCESS) {
+			srs_error("ffmpeg start failed. ret=%d", ret);
+			return ret;
+		}
+
+		// check ffmpeg status.
+		if ((ret = ffmpeg->cycle()) != ERROR_SUCCESS) {
+			srs_error("ffmpeg cycle failed. ret=%d", ret);
+			return ret;
+		}
 	}
 
-	clear_engines();
+	// pithy print
+	encoder();
+	pithy_print->elapse(SRS_ENCODER_SLEEP_MS);
+	
+	return ret;
+}
+
+void SrsEncoder::on_leave_loop()
+{
+	// kill ffmpeg when finished and it alive
+	std::vector<SrsFFMPEG*>::iterator it;
+
+	for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) {
+		SrsFFMPEG* ffmpeg = *it;
+		ffmpeg->stop();
+	}
 }
 
 void SrsEncoder::clear_engines()
 {
 	std::vector<SrsFFMPEG*>::iterator it;
+	
 	for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) {
 		SrsFFMPEG* ffmpeg = *it;
 		srs_freep(ffmpeg);
 	}
+
 	ffmpegs.clear();
 }
 
@@ -585,6 +582,45 @@ SrsFFMPEG* SrsEncoder::at(int index)
 	return ffmpegs[index];
 }
 
+int SrsEncoder::parse_scope_engines(SrsRequest* req)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// parse all transcode engines.
+	SrsConfDirective* conf = NULL;
+	
+	// parse vhost scope engines
+	std::string scope = "";
+	if ((conf = config->get_transcode(req->vhost, scope)) != NULL) {
+		if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) {
+			srs_error("parse vhost scope=%s transcode engines failed. "
+				"ret=%d", scope.c_str(), ret);
+			return ret;
+		}
+	}
+	// parse app scope engines
+	scope = req->app;
+	if ((conf = config->get_transcode(req->vhost, scope)) != NULL) {
+		if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) {
+			srs_error("parse app scope=%s transcode engines failed. "
+				"ret=%d", scope.c_str(), ret);
+			return ret;
+		}
+	}
+	// parse stream scope engines
+	scope += "/";
+	scope += req->stream;
+	if ((conf = config->get_transcode(req->vhost, scope)) != NULL) {
+		if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) {
+			srs_error("parse stream scope=%s transcode engines failed. "
+				"ret=%d", scope.c_str(), ret);
+			return ret;
+		}
+	}
+	
+	return ret;
+}
+
 int SrsEncoder::parse_transcode(SrsRequest* req, SrsConfDirective* conf)
 {
 	int ret = ERROR_SUCCESS;
@@ -631,7 +667,6 @@ int SrsEncoder::parse_transcode(SrsRequest* req, SrsConfDirective* conf)
 			
 			// if got a loop, donot transcode the whole stream.
 			if (ret == ERROR_ENCODER_LOOP) {
-				clear_engines();
 				break;
 			}
 			
@@ -646,85 +681,14 @@ int SrsEncoder::parse_transcode(SrsRequest* req, SrsConfDirective* conf)
 	return ret;
 }
 
-int SrsEncoder::cycle()
-{
-	int ret = ERROR_SUCCESS;
-	
-	std::vector<SrsFFMPEG*>::iterator it;
-	for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) {
-		SrsFFMPEG* ffmpeg = *it;
-		
-		// start all ffmpegs.
-		if ((ret = ffmpeg->start()) != ERROR_SUCCESS) {
-			srs_error("ffmpeg start failed. ret=%d", ret);
-			return ret;
-		}
-
-		// check ffmpeg status.
-		if ((ret = ffmpeg->cycle()) != ERROR_SUCCESS) {
-			srs_error("ffmpeg cycle failed. ret=%d", ret);
-			return ret;
-		}
-	}
-	
-	return ret;
-}
-
-void SrsEncoder::encoder_cycle()
-{
-	int ret = ERROR_SUCCESS;
-	
-	log_context->generate_id();
-	srs_trace("encoder cycle start");
-	
-	SrsPithyPrint pithy_print(SRS_STAGE_ENCODER);
-	
-	while (loop) {
-		if ((ret = cycle()) != ERROR_SUCCESS) {
-			srs_warn("encoder cycle failed, ignored and retry, ret=%d", ret);
-		} else {
-			srs_info("encoder cycle success, retry");
-		}
-		
-		if (!loop) {
-			break;
-		}
-
-		encoder(&pithy_print);
-		pithy_print.elapse(SRS_ENCODER_SLEEP_MS);
-		
-		st_usleep(SRS_ENCODER_SLEEP_MS * 1000);
-	}
-	
-	// kill ffmpeg when finished and it alive
-	std::vector<SrsFFMPEG*>::iterator it;
-	for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) {
-		SrsFFMPEG* ffmpeg = *it;
-		ffmpeg->stop();
-	}
-	
-	srs_trace("encoder cycle finished");
-}
-
-void SrsEncoder::encoder(SrsPithyPrint* pithy_print)
+void SrsEncoder::encoder()
 {
 	// reportable
 	if (pithy_print->can_print()) {
-		srs_trace("-> time=%"PRId64", encoders=%d",
-			pithy_print->get_age(), (int)ffmpegs.size());
+		// TODO: FIXME: show more info.
+		srs_trace("-> time=%"PRId64", encoders=%d", pithy_print->get_age(), (int)ffmpegs.size());
 	}
 }
 
-void* SrsEncoder::encoder_thread(void* arg)
-{
-	SrsEncoder* obj = (SrsEncoder*)arg;
-	srs_assert(obj != NULL);
-	
-	obj->loop = true;
-	obj->encoder_cycle();
-	
-	return NULL;
-}
-
 #endif
 

@@ -32,7 +32,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <string>
 #include <vector>
 
-#include <st.h>
+#include <srs_core_thread.hpp>
 
 class SrsConfDirective;
 class SrsRequest;
@@ -85,28 +85,29 @@ public:
 * the encoder for a stream,
 * may use multiple ffmpegs to transcode the specified stream.
 */
-class SrsEncoder
+class SrsEncoder : public ISrsThreadHandler
 {
 private:
 	std::vector<SrsFFMPEG*> ffmpegs;
 private:
-	st_thread_t tid;
-	bool loop;
+	SrsThread* pthread;
+	SrsPithyPrint* pithy_print;
 public:
 	SrsEncoder();
 	virtual ~SrsEncoder();
 public:
 	virtual int on_publish(SrsRequest* req);
 	virtual void on_unpublish();
+// interface ISrsThreadHandler.
+public:
+	virtual int cycle();
+	virtual void on_leave_loop();
 private:
-	virtual int parse_scope_engines(SrsRequest* req);
 	virtual void clear_engines();
 	virtual SrsFFMPEG* at(int index);
+	virtual int parse_scope_engines(SrsRequest* req);
 	virtual int parse_transcode(SrsRequest* req, SrsConfDirective* conf);
-	virtual int cycle();
-	virtual void encoder_cycle();
-	virtual void encoder(SrsPithyPrint* pithy_print);
-	static void* encoder_thread(void* arg);
+	virtual void encoder();
 };
 
 #endif

@@ -37,8 +37,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_ST_OPEN_SOCKET			102
 #define ERROR_ST_CREATE_LISTEN_THREAD	103
 #define ERROR_ST_CREATE_CYCLE_THREAD	104
-#define ERROR_ST_CREATE_FORWARD_THREAD	105
-#define ERROR_ST_CONNECT				106
+#define ERROR_ST_CONNECT				105
 
 #define ERROR_SOCKET_CREATE 			200
 #define ERROR_SOCKET_SETREUSE 			201

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_forward.hpp>
-
-#include <stdlib.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include <srs_core_error.hpp>
-#include <srs_core_rtmp.hpp>
-#include <srs_core_log.hpp>
-#include <srs_core_protocol.hpp>
-#include <srs_core_pithy_print.hpp>
-#include <srs_core_rtmp.hpp>
-#include <srs_core_config.hpp>
-
-#define SRS_PULSE_TIMEOUT_MS 100
-#define SRS_FORWARDER_SLEEP_MS 2000
-#define SRS_SEND_TIMEOUT_US 3000000L
-#define SRS_RECV_TIMEOUT_US SRS_SEND_TIMEOUT_US
-
-SrsForwarder::SrsForwarder()
-{
-	client = NULL;
-	stfd = NULL;
-	stream_id = 0;
-	
-	tid = NULL;
-	loop = false;
-}
-
-SrsForwarder::~SrsForwarder()
-{
-	on_unpublish();
-	
-	std::vector<SrsSharedPtrMessage*>::iterator it;
-	for (it = msgs.begin(); it != msgs.end(); ++it) {
-		SrsSharedPtrMessage* msg = *it;
-		srs_freep(msg);
-	}
-	msgs.clear();
-}
-
-int SrsForwarder::on_publish(SrsRequest* req, std::string forward_server)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// forward app
-	app = req->app;
-	
-	stream_name = req->stream;
-	server = forward_server;
-	std::string s_port = RTMP_DEFAULT_PORTS;
-	port = RTMP_DEFAULT_PORT;
-	
-	size_t pos = forward_server.find(":");
-	if (pos != std::string::npos) {
-		s_port = forward_server.substr(pos + 1);
-		server = forward_server.substr(0, pos);
-	}
-	// discovery vhost
-	std::string vhost = req->vhost;
-	srs_vhost_resolve(vhost, s_port);
-	port = ::atoi(s_port.c_str());
-	
-	// generate tcUrl
-	tc_url = "rtmp://";
-	tc_url += vhost;
-	tc_url += "/";
-	tc_url += req->app;
-	
-	// dead loop check
-	std::string source_ep = req->vhost;
-	source_ep += ":";
-	source_ep += req->port;
-	
-	std::string dest_ep = vhost;
-	dest_ep += ":";
-	dest_ep += s_port;
-	
-	if (source_ep == dest_ep) {
-		ret = ERROR_SYSTEM_FORWARD_LOOP;
-		srs_warn("farder loop detected. src=%s, dest=%s, ret=%d", 
-			source_ep.c_str(), dest_ep.c_str(), ret);
-		return ret;
-	}
-	srs_trace("start forward %s to %s, stream: %s/%s", 
-		source_ep.c_str(), dest_ep.c_str(), tc_url.c_str(), 
-		stream_name.c_str());
-	
-	// TODO: seems bug when republish and reforward.
-	
-	// start forward
-	if ((ret = open_socket()) != ERROR_SUCCESS) {
-		return ret;
-	}
-    
-    srs_assert(!tid);
-    if((tid = st_thread_create(forward_thread, this, 1, 0)) == NULL){
-		ret = ERROR_ST_CREATE_FORWARD_THREAD;
-        srs_error("st_thread_create failed. ret=%d", ret);
-        return ret;
-    }
-	
-	return ret;
-}
-
-void SrsForwarder::on_unpublish()
-{
-	if (tid) {
-		loop = false;
-		st_thread_interrupt(tid);
-		st_thread_join(tid, NULL);
-		tid = NULL;
-	}
-	
-	if (stfd) {
-		int fd = st_netfd_fileno(stfd);
-		st_netfd_close(stfd);
-		stfd = NULL;
-		
-		// st does not close it sometimes, 
-		// close it manually.
-		close(fd);
-	}
-	
-	srs_freep(client);
-}
-
-int SrsForwarder::on_meta_data(SrsSharedPtrMessage* metadata)
-{
-	int ret = ERROR_SUCCESS;
-	
-	msgs.push_back(metadata);
-	
-	return ret;
-}
-
-int SrsForwarder::on_audio(SrsSharedPtrMessage* msg)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// TODO: FIXME: must drop the msgs when server failed.
-	msgs.push_back(msg);
-	
-	return ret;
-}
-
-int SrsForwarder::on_video(SrsSharedPtrMessage* msg)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// TODO: FIXME: must drop the msgs when server failed.
-	msgs.push_back(msg);
-	
-	return ret;
-}
-
-int SrsForwarder::open_socket()
-{
-	int ret = ERROR_SUCCESS;
-	
-	srs_trace("forward stream=%s, tcUrl=%s to server=%s, port=%d",
-		stream_name.c_str(), tc_url.c_str(), server.c_str(), port);
-
-    int sock = socket(AF_INET, SOCK_STREAM, 0);
-    if(sock == -1){
-        ret = ERROR_SOCKET_CREATE;
-        srs_error("create socket error. ret=%d", ret);
-        return ret;
-    }
-    
-    stfd = st_netfd_open_socket(sock);
-    if(stfd == NULL){
-        ret = ERROR_ST_OPEN_SOCKET;
-        srs_error("st_netfd_open_socket failed. ret=%d", ret);
-        return ret;
-    }
-
-	srs_freep(client);
-	client = new SrsRtmpClient(stfd);
-	
-	return ret;
-}
-
-int SrsForwarder::connect_server()
-{
-	int ret = ERROR_SUCCESS;
-	
-	std::string ip = srs_dns_resolve(server);
-	if (ip.empty()) {
-		ret = ERROR_SYSTEM_IP_INVALID;
-		srs_error("dns resolve server error, ip empty. ret=%d", ret);
-		return ret;
-	}
-	
-    sockaddr_in addr;
-    addr.sin_family = AF_INET;
-    addr.sin_port = htons(port);
-    addr.sin_addr.s_addr = inet_addr(ip.c_str());
-    
-    if (st_connect(stfd, (const struct sockaddr*)&addr, sizeof(sockaddr_in), ST_UTIME_NO_TIMEOUT) == -1){
-        ret = ERROR_ST_CONNECT;
-        srs_error("connect to server error. ip=%s, port=%d, ret=%d", ip.c_str(), port, ret);
-        return ret;
-    }
-    srs_trace("connect to server success. server=%s, ip=%s, port=%d", server.c_str(), ip.c_str(), port);
-    
-	return ret;
-}
-
-int SrsForwarder::cycle()
-{
-	int ret = ERROR_SUCCESS;
-
-	client->set_recv_timeout(SRS_RECV_TIMEOUT_US);
-	client->set_send_timeout(SRS_SEND_TIMEOUT_US);
-	
-	if ((ret = connect_server()) != ERROR_SUCCESS) {
-		return ret;
-	}
-	srs_assert(client);
-	
-	if ((ret = client->handshake()) != ERROR_SUCCESS) {
-		srs_error("handshake with server failed. ret=%d", ret);
-		return ret;
-	}
-	if ((ret = client->connect_app(app, tc_url)) != ERROR_SUCCESS) {
-		srs_error("connect with server failed, tcUrl=%s. ret=%d", tc_url.c_str(), ret);
-		return ret;
-	}
-	if ((ret = client->create_stream(stream_id)) != ERROR_SUCCESS) {
-		srs_error("connect with server failed, stream_id=%d. ret=%d", stream_id, ret);
-		return ret;
-	}
-	
-	// TODO: FIXME: need to cache the metadata and sequence header when reconnect.
-	
-	if ((ret = client->publish(stream_name, stream_id)) != ERROR_SUCCESS) {
-		srs_error("connect with server failed, stream_name=%s, stream_id=%d. ret=%d", 
-			stream_name.c_str(), stream_id, ret);
-		return ret;
-	}
-	
-	if ((ret = forward()) != ERROR_SUCCESS) {
-		return ret;
-	}
-	
-	return ret;
-}
-
-int SrsForwarder::forward()
-{
-	int ret = ERROR_SUCCESS;
-	
-	client->set_recv_timeout(SRS_PULSE_TIMEOUT_MS * 1000);
-	
-	SrsPithyPrint pithy_print(SRS_STAGE_FORWARDER);
-
-	while (loop) {
-		pithy_print.elapse(SRS_PULSE_TIMEOUT_MS);
-		
-		// switch to other st-threads.
-		st_usleep(0);
-
-		// read from client.
-		if (true) {
-			SrsCommonMessage* msg = NULL;
-			ret = client->recv_message(&msg);
-			
-			srs_verbose("play loop recv message. ret=%d", ret);
-			if (ret != ERROR_SUCCESS && ret != ERROR_SOCKET_TIMEOUT) {
-				srs_error("recv server control message failed. ret=%d", ret);
-				return ret;
-			}
-		}
-		
-		// ignore when no messages.
-		int count = (int)msgs.size();
-		if (msgs.empty()) {
-			continue;
-		}
-
-		// reportable
-		if (pithy_print.can_print()) {
-			srs_trace("-> time=%"PRId64", msgs=%d, obytes=%"PRId64", ibytes=%"PRId64", okbps=%d, ikbps=%d", 
-				pithy_print.get_age(), count, client->get_send_bytes(), client->get_recv_bytes(), client->get_send_kbps(), client->get_recv_kbps());
-		}
-	
-		// all msgs to forward.
-		int i = 0;
-		for (i = 0; i < count; i++) {
-			SrsSharedPtrMessage* msg = msgs[i];
-			msgs[i] = NULL;
-
-			// we erased the sendout messages, the msg must not be NULL.
-			srs_assert(msg);
-			
-			ret = client->send_message(msg);
-			if (ret != ERROR_SUCCESS) {
-				srs_error("forwarder send message to server failed. ret=%d", ret);
-		
-				// convert the index to count when error.
-				i++;
-				
-				break;
-			}
-		}
-
-		// clear sendout mesages.
-		if (i < count) {
-			srs_warn("clear forwarded msg, total=%d, forwarded=%d, ret=%d", count, i, ret);
-		} else {
-			srs_info("clear forwarded msg, total=%d, forwarded=%d, ret=%d", count, i, ret);
-		}
-		msgs.erase(msgs.begin(), msgs.begin() + i);
-		
-		if (ret != ERROR_SUCCESS) {
-			break;
-		}
-	}
-	
-	return ret;
-}
-
-void SrsForwarder::forward_cycle()
-{
-	int ret = ERROR_SUCCESS;
-	
-	log_context->generate_id();
-	srs_trace("forward cycle start");
-	
-	while (loop) {
-		if ((ret = cycle()) != ERROR_SUCCESS) {
-			srs_warn("forward cycle failed, ignored and retry, ret=%d", ret);
-		} else {
-			srs_info("forward cycle success, retry");
-		}
-		
-		if (!loop) {
-			break;
-		}
-		
-		st_usleep(SRS_FORWARDER_SLEEP_MS * 1000);
-
-		if ((ret = open_socket()) != ERROR_SUCCESS) {
-			srs_warn("forward cycle reopen failed, ignored and retry, ret=%d", ret);
-		} else {
-			srs_info("forward cycle reopen success");
-		}
-	}
-	srs_trace("forward cycle finished");
-}
-
-void* SrsForwarder::forward_thread(void* arg)
-{
-	SrsForwarder* obj = (SrsForwarder*)arg;
-	srs_assert(obj != NULL);
-	
-	obj->loop = true;
-	obj->forward_cycle();
-	
-	return NULL;
-}
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_forward.hpp>
+
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <srs_core_error.hpp>
+#include <srs_core_rtmp.hpp>
+#include <srs_core_log.hpp>
+#include <srs_core_protocol.hpp>
+#include <srs_core_pithy_print.hpp>
+#include <srs_core_rtmp.hpp>
+#include <srs_core_config.hpp>
+
+#define SRS_PULSE_TIMEOUT_MS 100
+#define SRS_FORWARDER_SLEEP_MS 2000
+#define SRS_SEND_TIMEOUT_US 3000000L
+#define SRS_RECV_TIMEOUT_US SRS_SEND_TIMEOUT_US
+
+SrsForwarder::SrsForwarder()
+{
+	client = NULL;
+	stfd = NULL;
+	stream_id = 0;
+
+	pthread = new SrsThread(this, SRS_FORWARDER_SLEEP_MS);
+}
+
+SrsForwarder::~SrsForwarder()
+{
+	on_unpublish();
+	
+	std::vector<SrsSharedPtrMessage*>::iterator it;
+	for (it = msgs.begin(); it != msgs.end(); ++it) {
+		SrsSharedPtrMessage* msg = *it;
+		srs_freep(msg);
+	}
+	msgs.clear();
+	
+	srs_freep(pthread);
+}
+
+int SrsForwarder::on_publish(SrsRequest* req, std::string forward_server)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// forward app
+	app = req->app;
+	
+	stream_name = req->stream;
+	server = forward_server;
+	std::string s_port = RTMP_DEFAULT_PORTS;
+	port = RTMP_DEFAULT_PORT;
+	
+	size_t pos = forward_server.find(":");
+	if (pos != std::string::npos) {
+		s_port = forward_server.substr(pos + 1);
+		server = forward_server.substr(0, pos);
+	}
+	// discovery vhost
+	std::string vhost = req->vhost;
+	srs_vhost_resolve(vhost, s_port);
+	port = ::atoi(s_port.c_str());
+	
+	// generate tcUrl
+	tc_url = "rtmp://";
+	tc_url += vhost;
+	tc_url += "/";
+	tc_url += req->app;
+	
+	// dead loop check
+	std::string source_ep = req->vhost;
+	source_ep += ":";
+	source_ep += req->port;
+	
+	std::string dest_ep = vhost;
+	dest_ep += ":";
+	dest_ep += s_port;
+	
+	if (source_ep == dest_ep) {
+		ret = ERROR_SYSTEM_FORWARD_LOOP;
+		srs_warn("farder loop detected. src=%s, dest=%s, ret=%d", 
+			source_ep.c_str(), dest_ep.c_str(), ret);
+		return ret;
+	}
+	srs_trace("start forward %s to %s, stream: %s/%s", 
+		source_ep.c_str(), dest_ep.c_str(), tc_url.c_str(), 
+		stream_name.c_str());
+	
+	if ((ret = pthread->start()) != ERROR_SUCCESS) {
+        srs_error("start srs thread failed. ret=%d", ret);
+        return ret;
+	}
+	
+	return ret;
+}
+
+void SrsForwarder::on_unpublish()
+{
+	pthread->stop();
+	
+	close_underlayer_socket();
+	
+	srs_freep(client);
+}
+
+int SrsForwarder::on_meta_data(SrsSharedPtrMessage* metadata)
+{
+	int ret = ERROR_SUCCESS;
+	
+	msgs.push_back(metadata);
+	
+	return ret;
+}
+
+int SrsForwarder::on_audio(SrsSharedPtrMessage* msg)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// TODO: FIXME: must drop the msgs when server failed.
+	msgs.push_back(msg);
+	
+	return ret;
+}
+
+int SrsForwarder::on_video(SrsSharedPtrMessage* msg)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// TODO: FIXME: must drop the msgs when server failed.
+	msgs.push_back(msg);
+	
+	return ret;
+}
+
+int SrsForwarder::cycle()
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = connect_server()) != ERROR_SUCCESS) {
+		return ret;
+	}
+	srs_assert(client);
+
+	client->set_recv_timeout(SRS_RECV_TIMEOUT_US);
+	client->set_send_timeout(SRS_SEND_TIMEOUT_US);
+	
+	if ((ret = client->handshake()) != ERROR_SUCCESS) {
+		srs_error("handshake with server failed. ret=%d", ret);
+		return ret;
+	}
+	if ((ret = client->connect_app(app, tc_url)) != ERROR_SUCCESS) {
+		srs_error("connect with server failed, tcUrl=%s. ret=%d", tc_url.c_str(), ret);
+		return ret;
+	}
+	if ((ret = client->create_stream(stream_id)) != ERROR_SUCCESS) {
+		srs_error("connect with server failed, stream_id=%d. ret=%d", stream_id, ret);
+		return ret;
+	}
+	
+	// TODO: FIXME: need to cache the metadata and sequence header when reconnect.
+	
+	if ((ret = client->publish(stream_name, stream_id)) != ERROR_SUCCESS) {
+		srs_error("connect with server failed, stream_name=%s, stream_id=%d. ret=%d", 
+			stream_name.c_str(), stream_id, ret);
+		return ret;
+	}
+	
+	if ((ret = forward()) != ERROR_SUCCESS) {
+		return ret;
+	}
+	
+	return ret;
+}
+
+void SrsForwarder::close_underlayer_socket()
+{
+	srs_close_stfd(stfd);
+}
+
+int SrsForwarder::connect_server()
+{
+	int ret = ERROR_SUCCESS;
+	
+	// reopen
+	close_underlayer_socket();
+	
+	// open socket.
+	srs_trace("forward stream=%s, tcUrl=%s to server=%s, port=%d",
+		stream_name.c_str(), tc_url.c_str(), server.c_str(), port);
+
+    int sock = socket(AF_INET, SOCK_STREAM, 0);
+    if(sock == -1){
+        ret = ERROR_SOCKET_CREATE;
+        srs_error("create socket error. ret=%d", ret);
+        return ret;
+    }
+    
+    srs_assert(!stfd);
+    stfd = st_netfd_open_socket(sock);
+    if(stfd == NULL){
+        ret = ERROR_ST_OPEN_SOCKET;
+        srs_error("st_netfd_open_socket failed. ret=%d", ret);
+        return ret;
+    }
+
+	srs_freep(client);
+	client = new SrsRtmpClient(stfd);
+	
+	// connect to server.
+	std::string ip = srs_dns_resolve(server);
+	if (ip.empty()) {
+		ret = ERROR_SYSTEM_IP_INVALID;
+		srs_error("dns resolve server error, ip empty. ret=%d", ret);
+		return ret;
+	}
+	
+    sockaddr_in addr;
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = inet_addr(ip.c_str());
+    
+    if (st_connect(stfd, (const struct sockaddr*)&addr, sizeof(sockaddr_in), ST_UTIME_NO_TIMEOUT) == -1){
+        ret = ERROR_ST_CONNECT;
+        srs_error("connect to server error. ip=%s, port=%d, ret=%d", ip.c_str(), port, ret);
+        return ret;
+    }
+    srs_trace("connect to server success. server=%s, ip=%s, port=%d", server.c_str(), ip.c_str(), port);
+    
+	return ret;
+}
+
+int SrsForwarder::forward()
+{
+	int ret = ERROR_SUCCESS;
+	
+	client->set_recv_timeout(SRS_PULSE_TIMEOUT_MS * 1000);
+	
+	SrsPithyPrint pithy_print(SRS_STAGE_FORWARDER);
+
+	while (true) {
+		// switch to other st-threads.
+		st_usleep(0);
+
+		// read from client.
+		if (true) {
+			SrsCommonMessage* msg = NULL;
+			ret = client->recv_message(&msg);
+			
+			srs_verbose("play loop recv message. ret=%d", ret);
+			if (ret != ERROR_SUCCESS && ret != ERROR_SOCKET_TIMEOUT) {
+				srs_error("recv server control message failed. ret=%d", ret);
+				return ret;
+			}
+		}
+		
+		// ignore when no messages.
+		int count = (int)msgs.size();
+		if (msgs.empty()) {
+			continue;
+		}
+
+		// pithy print
+		pithy_print.elapse(SRS_PULSE_TIMEOUT_MS);
+		if (pithy_print.can_print()) {
+			srs_trace("-> time=%"PRId64", msgs=%d, obytes=%"PRId64", ibytes=%"PRId64", okbps=%d, ikbps=%d", 
+				pithy_print.get_age(), count, client->get_send_bytes(), client->get_recv_bytes(), client->get_send_kbps(), client->get_recv_kbps());
+		}
+	
+		// all msgs to forward.
+		int i = 0;
+		for (i = 0; i < count; i++) {
+			SrsSharedPtrMessage* msg = msgs[i];
+			msgs[i] = NULL;
+
+			// we erased the sendout messages, the msg must not be NULL.
+			srs_assert(msg);
+			
+			ret = client->send_message(msg);
+			if (ret != ERROR_SUCCESS) {
+				srs_error("forwarder send message to server failed. ret=%d", ret);
+		
+				// convert the index to count when error.
+				i++;
+				
+				break;
+			}
+		}
+
+		// clear sendout mesages.
+		if (i < count) {
+			srs_warn("clear forwarded msg, total=%d, forwarded=%d, ret=%d", count, i, ret);
+		} else {
+			srs_info("clear forwarded msg, total=%d, forwarded=%d, ret=%d", count, i, ret);
+		}
+		msgs.erase(msgs.begin(), msgs.begin() + i);
+		
+		if (ret != ERROR_SUCCESS) {
+			break;
+		}
+	}
+	
+	return ret;
+}
+

@@ -32,7 +32,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <string>
 #include <vector>
 
-#include <st.h>
+#include <srs_core_thread.hpp>
 
 class SrsSharedPtrMessage;
 class SrsOnMetaDataPacket;
@@ -42,7 +42,7 @@ class SrsRequest;
 /**
 * forward the stream to other servers.
 */
-class SrsForwarder
+class SrsForwarder : public ISrsThreadHandler
 {
 private:
 	std::string app;
@@ -53,8 +53,7 @@ private:
 	int port;
 private:
 	st_netfd_t stfd;
-	st_thread_t tid;
-	bool loop;
+	SrsThread* pthread;
 private:
 	SrsRtmpClient* client;
 	std::vector<SrsSharedPtrMessage*> msgs;
@@ -67,14 +66,13 @@ public:
 	virtual int on_meta_data(SrsSharedPtrMessage* metadata);
 	virtual int on_audio(SrsSharedPtrMessage* msg);
 	virtual int on_video(SrsSharedPtrMessage* msg);
+// interface ISrsThreadHandler.
+public:
+	virtual int cycle();
 private:
-	virtual int open_socket();
+	virtual void close_underlayer_socket();
 	virtual int connect_server();
-private:
-	virtual int cycle();
 	virtual int forward();
-	virtual void forward_cycle();
-	static void* forward_thread(void* arg);
 };
 
 #endif

@@ -184,15 +184,7 @@ void SrsHttpClient::disconnect()
 {
 	connected = false;
 	
-	if (stfd) {
-		int fd = st_netfd_fileno(stfd);
-		st_netfd_close(stfd);
-		stfd = NULL;
-		
-		// st does not close it sometimes, 
-		// close it manually.
-		::close(fd);
-	}
+	srs_close_stfd(stfd);
 }
 
 int SrsHttpClient::connect(SrsHttpUri* uri)

@@ -36,7 +36,6 @@ class SrsSocket;
 
 #include <string>
 
-#include <st.h>
 #include <http_parser.h>
 
 #define SRS_HTTP_HEADER_BUFFER		1024

@@ -29,8 +29,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <string>
 #include <map>
 
-#include <st.h>
-
 ILogContext::ILogContext()
 {
 }

@@ -33,8 +33,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <map>
 #include <string>
 
-#include <st.h>
-
 #include <srs_core_log.hpp>
 #include <srs_core_error.hpp>
 

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_rtmp.hpp>
-
-#include <srs_core_log.hpp>
-#include <srs_core_error.hpp>
-#include <srs_core_socket.hpp>
-#include <srs_core_protocol.hpp>
-#include <srs_core_autofree.hpp>
-#include <srs_core_amf0.hpp>
-#include <srs_core_handshake.hpp>
-#include <srs_core_config.hpp>
-
-/**
-* the signature for packets to client.
-*/
-#define RTMP_SIG_FMS_VER 					"3,5,3,888"
-#define RTMP_SIG_AMF0_VER 					0
-#define RTMP_SIG_CLIENT_ID 					"ASAICiss"
-
-/**
-* onStatus consts.
-*/
-#define StatusLevel 						"level"
-#define StatusCode 							"code"
-#define StatusDescription 					"description"
-#define StatusDetails 						"details"
-#define StatusClientId 						"clientid"
-// status value
-#define StatusLevelStatus 					"status"
-// code value
-#define StatusCodeConnectSuccess 			"NetConnection.Connect.Success"
-#define StatusCodeStreamReset 				"NetStream.Play.Reset"
-#define StatusCodeStreamStart 				"NetStream.Play.Start"
-#define StatusCodeStreamPause 				"NetStream.Pause.Notify"
-#define StatusCodeStreamUnpause 			"NetStream.Unpause.Notify"
-#define StatusCodePublishStart 				"NetStream.Publish.Start"
-#define StatusCodeDataStart 				"NetStream.Data.Start"
-#define StatusCodeUnpublishSuccess 			"NetStream.Unpublish.Success"
-
-// FMLE
-#define RTMP_AMF0_COMMAND_ON_FC_PUBLISH		"onFCPublish"
-#define RTMP_AMF0_COMMAND_ON_FC_UNPUBLISH	"onFCUnpublish"
-
-// default stream id for response the createStream request.
-#define SRS_DEFAULT_SID 					1
-
-SrsRequest::SrsRequest()
-{
-	objectEncoding = RTMP_SIG_AMF0_VER;
-}
-
-SrsRequest::~SrsRequest()
-{
-}
-
-int SrsRequest::discovery_app()
-{
-	int ret = ERROR_SUCCESS;
-	
-	size_t pos = std::string::npos;
-	std::string url = tcUrl;
-	
-	if ((pos = url.find("://")) != std::string::npos) {
-		schema = url.substr(0, pos);
-		url = url.substr(schema.length() + 3);
-		srs_verbose("discovery schema=%s", schema.c_str());
-	}
-	
-	if ((pos = url.find("/")) != std::string::npos) {
-		vhost = url.substr(0, pos);
-		url = url.substr(vhost.length() + 1);
-		srs_verbose("discovery vhost=%s", vhost.c_str());
-	}
-
-	port = RTMP_DEFAULT_PORTS;
-	if ((pos = vhost.find(":")) != std::string::npos) {
-		port = vhost.substr(pos + 1);
-		vhost = vhost.substr(0, pos);
-		srs_verbose("discovery vhost=%s, port=%s", vhost.c_str(), port.c_str());
-	}
-	
-	app = url;
-	srs_vhost_resolve(vhost, app);
-	
-	// resolve the vhost from config
-	SrsConfDirective* parsed_vhost = config->get_vhost(vhost);
-	if (parsed_vhost) {
-		vhost = parsed_vhost->arg0();
-	}
-
-	// TODO: discovery the params of vhost.
-	
-	srs_info("discovery app success. schema=%s, vhost=%s, port=%s, app=%s",
-		schema.c_str(), vhost.c_str(), port.c_str(), app.c_str());
-	
-	if (schema.empty() || vhost.empty() || port.empty() || app.empty()) {
-		ret = ERROR_RTMP_REQ_TCURL;
-		srs_error("discovery tcUrl failed. "
-			"tcUrl=%s, schema=%s, vhost=%s, port=%s, app=%s, ret=%d",
-			tcUrl.c_str(), schema.c_str(), vhost.c_str(), port.c_str(), app.c_str(), ret);
-		return ret;
-	}
-	
-	strip();
-	
-	return ret;
-}
-
-std::string SrsRequest::get_stream_url()
-{
-	std::string url = "";
-	
-	url += vhost;
-	url += "/";
-	url += app;
-	url += "/";
-	url += stream;
-
-	return url;
-}
-
-void SrsRequest::strip()
-{
-	trim(vhost, "/ \n\r\t");
-	trim(app, "/ \n\r\t");
-	trim(stream, "/ \n\r\t");
-}
-
-std::string& SrsRequest::trim(std::string& str, std::string chs)
-{
-	for (int i = 0; i < (int)chs.length(); i++) {
-		char ch = chs.at(i);
-		
-		for (std::string::iterator it = str.begin(); it != str.end();) {
-			if (ch == *it) {
-				it = str.erase(it);
-			} else {
-				++it;
-			}
-		}
-	}
-	
-	return str;
-}
-
-SrsResponse::SrsResponse()
-{
-	stream_id = SRS_DEFAULT_SID;
-}
-
-SrsResponse::~SrsResponse()
-{
-}
-
-SrsRtmpClient::SrsRtmpClient(st_netfd_t _stfd)
-{
-	stfd = _stfd;
-	protocol = new SrsProtocol(stfd);
-}
-
-SrsRtmpClient::~SrsRtmpClient()
-{
-	srs_freep(protocol);
-}
-
-void SrsRtmpClient::set_recv_timeout(int64_t timeout_us)
-{
-	protocol->set_recv_timeout(timeout_us);
-}
-
-void SrsRtmpClient::set_send_timeout(int64_t timeout_us)
-{
-	protocol->set_send_timeout(timeout_us);
-}
-
-int64_t SrsRtmpClient::get_recv_bytes()
-{
-	return protocol->get_recv_bytes();
-}
-
-int64_t SrsRtmpClient::get_send_bytes()
-{
-	return protocol->get_send_bytes();
-}
-
-int SrsRtmpClient::get_recv_kbps()
-{
-	return protocol->get_recv_kbps();
-}
-
-int SrsRtmpClient::get_send_kbps()
-{
-	return protocol->get_send_kbps();
-}
-
-int SrsRtmpClient::recv_message(SrsCommonMessage** pmsg)
-{
-	return protocol->recv_message(pmsg);
-}
-
-int SrsRtmpClient::send_message(ISrsMessage* msg)
-{
-	return protocol->send_message(msg);
-}
-
-int SrsRtmpClient::handshake()
-{
-	int ret = ERROR_SUCCESS;
-	
-    SrsSocket skt(stfd);
-    
-    SrsComplexHandshake complex_hs;
-    SrsSimpleHandshake simple_hs;
-    if ((ret = simple_hs.handshake_with_server(skt, complex_hs)) != ERROR_SUCCESS) {
-        return ret;
-    }
-    
-    return ret;
-}
-
-int SrsRtmpClient::connect_app(std::string app, std::string tc_url)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// Connect(vhost, app)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsConnectAppPacket* pkt = new SrsConnectAppPacket();
-		msg->set_packet(pkt, 0);
-		
-		pkt->command_object = new SrsAmf0Object();
-		pkt->command_object->set("app", new SrsAmf0String(app.c_str()));
-		pkt->command_object->set("swfUrl", new SrsAmf0String());
-		pkt->command_object->set("tcUrl", new SrsAmf0String(tc_url.c_str()));
-		pkt->command_object->set("fpad", new SrsAmf0Boolean(false));
-		pkt->command_object->set("capabilities", new SrsAmf0Number(239));
-		pkt->command_object->set("audioCodecs", new SrsAmf0Number(3575));
-		pkt->command_object->set("videoCodecs", new SrsAmf0Number(252));
-		pkt->command_object->set("videoFunction", new SrsAmf0Number(1));
-		pkt->command_object->set("pageUrl", new SrsAmf0String());
-		pkt->command_object->set("objectEncoding", new SrsAmf0Number(0));
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			return ret;
-		}
-	}
-	
-	// Set Window Acknowledgement size(2500000)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsSetWindowAckSizePacket* pkt = new SrsSetWindowAckSizePacket();
-	
-		pkt->ackowledgement_window_size = 2500000;
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			return ret;
-		}
-	}
-	
-	// expect connect _result
-	SrsCommonMessage* msg = NULL;
-	SrsConnectAppResPacket* pkt = NULL;
-	if ((ret = srs_rtmp_expect_message<SrsConnectAppResPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
-		srs_error("expect connect app response message failed. ret=%d", ret);
-		return ret;
-	}
-	SrsAutoFree(SrsCommonMessage, msg, false);
-	srs_info("get connect app response message");
-	
-    return ret;
-}
-
-int SrsRtmpClient::create_stream(int& stream_id)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// CreateStream
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsCreateStreamPacket* pkt = new SrsCreateStreamPacket();
-	
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			return ret;
-		}
-	}
-
-	// CreateStream _result.
-	if (true) {
-		SrsCommonMessage* msg = NULL;
-		SrsCreateStreamResPacket* pkt = NULL;
-		if ((ret = srs_rtmp_expect_message<SrsCreateStreamResPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
-			srs_error("expect create stream response message failed. ret=%d", ret);
-			return ret;
-		}
-		SrsAutoFree(SrsCommonMessage, msg, false);
-		srs_info("get create stream response message");
-
-		stream_id = (int)pkt->stream_id;
-	}
-	
-	return ret;
-}
-
-int SrsRtmpClient::play(std::string stream, int stream_id)
-{
-	int ret = ERROR_SUCCESS;
-
-	// Play(stream)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsPlayPacket* pkt = new SrsPlayPacket();
-	
-		pkt->stream_name = stream;
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send play stream failed. "
-				"stream=%s, stream_id=%d, ret=%d", 
-				stream.c_str(), stream_id, ret);
-			return ret;
-		}
-	}
-	
-	// SetBufferLength(1000ms)
-	int buffer_length_ms = 1000;
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsUserControlPacket* pkt = new SrsUserControlPacket();
-	
-		pkt->event_type = SrcPCUCSetBufferLength;
-		pkt->event_data = stream_id;
-		pkt->extra_data = buffer_length_ms;
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send set buffer length failed. "
-				"stream=%s, stream_id=%d, bufferLength=%d, ret=%d", 
-				stream.c_str(), stream_id, buffer_length_ms, ret);
-			return ret;
-		}
-	}
-	
-	return ret;
-}
-
-int SrsRtmpClient::publish(std::string stream, int stream_id)
-{
-	int ret = ERROR_SUCCESS;
-
-	// publish(stream)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsPublishPacket* pkt = new SrsPublishPacket();
-	
-		pkt->stream_name = stream;
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send publish message failed. "
-				"stream=%s, stream_id=%d, ret=%d", 
-				stream.c_str(), stream_id, ret);
-			return ret;
-		}
-	}
-	
-	return ret;
-}
-
-SrsRtmp::SrsRtmp(st_netfd_t client_stfd)
-{
-	protocol = new SrsProtocol(client_stfd);
-	stfd = client_stfd;
-}
-
-SrsRtmp::~SrsRtmp()
-{
-	srs_freep(protocol);
-}
-
-SrsProtocol* SrsRtmp::get_protocol()
-{
-	return protocol;
-}
-
-void SrsRtmp::set_recv_timeout(int64_t timeout_us)
-{
-	protocol->set_recv_timeout(timeout_us);
-}
-
-int64_t SrsRtmp::get_recv_timeout()
-{
-	return protocol->get_recv_timeout();
-}
-
-void SrsRtmp::set_send_timeout(int64_t timeout_us)
-{
-	protocol->set_send_timeout(timeout_us);
-}
-
-int64_t SrsRtmp::get_recv_bytes()
-{
-	return protocol->get_recv_bytes();
-}
-
-int64_t SrsRtmp::get_send_bytes()
-{
-	return protocol->get_send_bytes();
-}
-
-int SrsRtmp::get_recv_kbps()
-{
-	return protocol->get_recv_kbps();
-}
-
-int SrsRtmp::get_send_kbps()
-{
-	return protocol->get_send_kbps();
-}
-
-int SrsRtmp::recv_message(SrsCommonMessage** pmsg)
-{
-	return protocol->recv_message(pmsg);
-}
-
-int SrsRtmp::send_message(ISrsMessage* msg)
-{
-	return protocol->send_message(msg);
-}
-
-int SrsRtmp::handshake()
-{
-	int ret = ERROR_SUCCESS;
-	
-    SrsSocket skt(stfd);
-    
-    SrsComplexHandshake complex_hs;
-    SrsSimpleHandshake simple_hs;
-    if ((ret = simple_hs.handshake_with_client(skt, complex_hs)) != ERROR_SUCCESS) {
-        return ret;
-    }
-    
-    return ret;
-}
-
-int SrsRtmp::connect_app(SrsRequest* req)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsCommonMessage* msg = NULL;
-	SrsConnectAppPacket* pkt = NULL;
-	if ((ret = srs_rtmp_expect_message<SrsConnectAppPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
-		srs_error("expect connect app message failed. ret=%d", ret);
-		return ret;
-	}
-	SrsAutoFree(SrsCommonMessage, msg, false);
-	srs_info("get connect app message");
-	
-	SrsAmf0Any* prop = NULL;
-	
-	if ((prop = pkt->command_object->ensure_property_string("tcUrl")) == NULL) {
-		ret = ERROR_RTMP_REQ_CONNECT;
-		srs_error("invalid request, must specifies the tcUrl. ret=%d", ret);
-		return ret;
-	}
-	req->tcUrl = srs_amf0_convert<SrsAmf0String>(prop)->value;
-	
-	if ((prop = pkt->command_object->ensure_property_string("pageUrl")) != NULL) {
-		req->pageUrl = srs_amf0_convert<SrsAmf0String>(prop)->value;
-	}
-	
-	if ((prop = pkt->command_object->ensure_property_string("swfUrl")) != NULL) {
-		req->swfUrl = srs_amf0_convert<SrsAmf0String>(prop)->value;
-	}
-	
-	if ((prop = pkt->command_object->ensure_property_number("objectEncoding")) != NULL) {
-		req->objectEncoding = srs_amf0_convert<SrsAmf0Number>(prop)->value;
-	}
-	
-	srs_info("get connect app message params success.");
-	
-	return req->discovery_app();
-}
-
-int SrsRtmp::set_window_ack_size(int ack_size)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsCommonMessage* msg = new SrsCommonMessage();
-	SrsSetWindowAckSizePacket* pkt = new SrsSetWindowAckSizePacket();
-	
-	pkt->ackowledgement_window_size = ack_size;
-	msg->set_packet(pkt, 0);
-	
-	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-		srs_error("send ack size message failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("send ack size message success. ack_size=%d", ack_size);
-	
-	return ret;
-}
-
-int SrsRtmp::set_peer_bandwidth(int bandwidth, int type)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsCommonMessage* msg = new SrsCommonMessage();
-	SrsSetPeerBandwidthPacket* pkt = new SrsSetPeerBandwidthPacket();
-	
-	pkt->bandwidth = bandwidth;
-	pkt->type = type;
-	msg->set_packet(pkt, 0);
-	
-	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-		srs_error("send set bandwidth message failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("send set bandwidth message "
-		"success. bandwidth=%d, type=%d", bandwidth, type);
-	
-	return ret;
-}
-
-int SrsRtmp::response_connect_app(SrsRequest* req)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsCommonMessage* msg = new SrsCommonMessage();
-	SrsConnectAppResPacket* pkt = new SrsConnectAppResPacket();
-	
-	pkt->props->set("fmsVer", new SrsAmf0String("FMS/"RTMP_SIG_FMS_VER));
-	pkt->props->set("capabilities", new SrsAmf0Number(127));
-	pkt->props->set("mode", new SrsAmf0Number(1));
-	
-	pkt->info->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-	pkt->info->set(StatusCode, new SrsAmf0String(StatusCodeConnectSuccess));
-	pkt->info->set(StatusDescription, new SrsAmf0String("Connection succeeded"));
-	pkt->info->set("objectEncoding", new SrsAmf0Number(req->objectEncoding));
-	SrsASrsAmf0EcmaArray* data = new SrsASrsAmf0EcmaArray();
-	pkt->info->set("data", data);
-	
-	data->set("srs_version", new SrsAmf0String(RTMP_SIG_FMS_VER));
-	data->set("srs_server", new SrsAmf0String(RTMP_SIG_SRS_NAME));
-	data->set("srs_license", new SrsAmf0String(RTMP_SIG_SRS_LICENSE));
-	data->set("srs_role", new SrsAmf0String(RTMP_SIG_SRS_ROLE));
-	data->set("srs_url", new SrsAmf0String(RTMP_SIG_SRS_URL));
-	data->set("srs_version", new SrsAmf0String(RTMP_SIG_SRS_VERSION));
-	data->set("srs_site", new SrsAmf0String(RTMP_SIG_SRS_WEB));
-	data->set("srs_email", new SrsAmf0String(RTMP_SIG_SRS_EMAIL));
-	data->set("srs_copyright", new SrsAmf0String(RTMP_SIG_SRS_COPYRIGHT));
-	
-	msg->set_packet(pkt, 0);
-	
-	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-		srs_error("send connect app response message failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("send connect app response message success.");
-	
-	return ret;
-}
-
-int SrsRtmp::on_bw_done()
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsCommonMessage* msg = new SrsCommonMessage();
-	SrsOnBWDonePacket* pkt = new SrsOnBWDonePacket();
-	
-	msg->set_packet(pkt, 0);
-	
-	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-		srs_error("send onBWDone message failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("send onBWDone message success.");
-	
-	return ret;
-}
-
-int SrsRtmp::identify_client(int stream_id, SrsClientType& type, std::string& stream_name)
-{
-	type = SrsClientUnknown;
-	int ret = ERROR_SUCCESS;
-	
-	while (true) {
-		SrsCommonMessage* msg = NULL;
-		if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
-			srs_error("recv identify client message failed. ret=%d", ret);
-			return ret;
-		}
-
-		SrsAutoFree(SrsCommonMessage, msg, false);
-
-		if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
-			srs_trace("identify ignore messages except "
-				"AMF0/AMF3 command message. type=%#x", msg->header.message_type);
-			continue;
-		}
-		
-		if ((ret = msg->decode_packet(protocol)) != ERROR_SUCCESS) {
-			srs_error("identify decode message failed. ret=%d", ret);
-			return ret;
-		}
-		
-		SrsPacket* pkt = msg->get_packet();
-		if (dynamic_cast<SrsCreateStreamPacket*>(pkt)) {
-			srs_info("identify client by create stream, play or flash publish.");
-			return identify_create_stream_client(
-				dynamic_cast<SrsCreateStreamPacket*>(pkt), stream_id, type, stream_name);
-		}
-		if (dynamic_cast<SrsFMLEStartPacket*>(pkt)) {
-			srs_info("identify client by releaseStream, fmle publish.");
-			return identify_fmle_publish_client(
-				dynamic_cast<SrsFMLEStartPacket*>(pkt), type, stream_name);
-		}
-		
-		srs_trace("ignore AMF0/AMF3 command message.");
-	}
-	
-	return ret;
-}
-
-int SrsRtmp::set_chunk_size(int chunk_size)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsCommonMessage* msg = new SrsCommonMessage();
-	SrsSetChunkSizePacket* pkt = new SrsSetChunkSizePacket();
-	
-	pkt->chunk_size = chunk_size;
-	msg->set_packet(pkt, 0);
-	
-	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-		srs_error("send set chunk size message failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("send set chunk size message success. chunk_size=%d", chunk_size);
-	
-	return ret;
-}
-
-int SrsRtmp::start_play(int stream_id)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// StreamBegin
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsUserControlPacket* pkt = new SrsUserControlPacket();
-		
-		pkt->event_type = SrcPCUCStreamBegin;
-		pkt->event_data = stream_id;
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send PCUC(StreamBegin) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send PCUC(StreamBegin) message success.");
-	}
-	
-	// onStatus(NetStream.Play.Reset)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamReset));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Playing and resetting stream."));
-		pkt->data->set(StatusDetails, new SrsAmf0String("stream"));
-		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onStatus(NetStream.Play.Reset) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onStatus(NetStream.Play.Reset) message success.");
-	}
-	
-	// onStatus(NetStream.Play.Start)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamStart));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Started playing stream."));
-		pkt->data->set(StatusDetails, new SrsAmf0String("stream"));
-		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onStatus(NetStream.Play.Reset) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onStatus(NetStream.Play.Reset) message success.");
-	}
-	
-	// |RtmpSampleAccess(false, false)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsSampleAccessPacket* pkt = new SrsSampleAccessPacket();
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send |RtmpSampleAccess(false, false) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send |RtmpSampleAccess(false, false) message success.");
-	}
-	
-	// onStatus(NetStream.Data.Start)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusDataPacket* pkt = new SrsOnStatusDataPacket();
-		
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeDataStart));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onStatus(NetStream.Data.Start) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onStatus(NetStream.Data.Start) message success.");
-	}
-	
-	srs_info("start play success.");
-	
-	return ret;
-}
-
-int SrsRtmp::on_play_client_pause(int stream_id, bool is_pause)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if (is_pause) {
-		// onStatus(NetStream.Pause.Notify)
-		if (true) {
-			SrsCommonMessage* msg = new SrsCommonMessage();
-			SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-			
-			pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-			pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamPause));
-			pkt->data->set(StatusDescription, new SrsAmf0String("Paused stream."));
-			
-			msg->set_packet(pkt, stream_id);
-			
-			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-				srs_error("send onStatus(NetStream.Pause.Notify) message failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("send onStatus(NetStream.Pause.Notify) message success.");
-		}
-		// StreamEOF
-		if (true) {
-			SrsCommonMessage* msg = new SrsCommonMessage();
-			SrsUserControlPacket* pkt = new SrsUserControlPacket();
-			
-			pkt->event_type = SrcPCUCStreamEOF;
-			pkt->event_data = stream_id;
-			msg->set_packet(pkt, 0);
-			
-			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-				srs_error("send PCUC(StreamEOF) message failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("send PCUC(StreamEOF) message success.");
-		}
-	} else {
-		// onStatus(NetStream.Unpause.Notify)
-		if (true) {
-			SrsCommonMessage* msg = new SrsCommonMessage();
-			SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-			
-			pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-			pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamUnpause));
-			pkt->data->set(StatusDescription, new SrsAmf0String("Unpaused stream."));
-			
-			msg->set_packet(pkt, stream_id);
-			
-			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-				srs_error("send onStatus(NetStream.Unpause.Notify) message failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("send onStatus(NetStream.Unpause.Notify) message success.");
-		}
-		// StreanBegin
-		if (true) {
-			SrsCommonMessage* msg = new SrsCommonMessage();
-			SrsUserControlPacket* pkt = new SrsUserControlPacket();
-			
-			pkt->event_type = SrcPCUCStreamBegin;
-			pkt->event_data = stream_id;
-			msg->set_packet(pkt, 0);
-			
-			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-				srs_error("send PCUC(StreanBegin) message failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("send PCUC(StreanBegin) message success.");
-		}
-	}
-	
-	return ret;
-}
-
-int SrsRtmp::start_fmle_publish(int stream_id)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// FCPublish
-	double fc_publish_tid = 0;
-	if (true) {
-		SrsCommonMessage* msg = NULL;
-		SrsFMLEStartPacket* pkt = NULL;
-		if ((ret = srs_rtmp_expect_message<SrsFMLEStartPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
-			srs_error("recv FCPublish message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("recv FCPublish request message success.");
-		
-		SrsAutoFree(SrsCommonMessage, msg, false);
-		fc_publish_tid = pkt->transaction_id;
-	}
-	// FCPublish response
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsFMLEStartResPacket* pkt = new SrsFMLEStartResPacket(fc_publish_tid);
-		
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send FCPublish response message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send FCPublish response message success.");
-	}
-	
-	// createStream
-	double create_stream_tid = 0;
-	if (true) {
-		SrsCommonMessage* msg = NULL;
-		SrsCreateStreamPacket* pkt = NULL;
-		if ((ret = srs_rtmp_expect_message<SrsCreateStreamPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
-			srs_error("recv createStream message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("recv createStream request message success.");
-		
-		SrsAutoFree(SrsCommonMessage, msg, false);
-		create_stream_tid = pkt->transaction_id;
-	}
-	// createStream response
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsCreateStreamResPacket* pkt = new SrsCreateStreamResPacket(create_stream_tid, stream_id);
-		
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send createStream response message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send createStream response message success.");
-	}
-	
-	// publish
-	if (true) {
-		SrsCommonMessage* msg = NULL;
-		SrsPublishPacket* pkt = NULL;
-		if ((ret = srs_rtmp_expect_message<SrsPublishPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
-			srs_error("recv publish message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("recv publish request message success.");
-		
-		SrsAutoFree(SrsCommonMessage, msg, false);
-	}
-	// publish response onFCPublish(NetStream.Publish.Start)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->command_name = RTMP_AMF0_COMMAND_ON_FC_PUBLISH;
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodePublishStart));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Started publishing stream."));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onFCPublish(NetStream.Publish.Start) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onFCPublish(NetStream.Publish.Start) message success.");
-	}
-	// publish response onStatus(NetStream.Publish.Start)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodePublishStart));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Started publishing stream."));
-		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onStatus(NetStream.Publish.Start) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onStatus(NetStream.Publish.Start) message success.");
-	}
-	
-	srs_info("FMLE publish success.");
-	
-	return ret;
-}
-
-int SrsRtmp::fmle_unpublish(int stream_id, double unpublish_tid)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// publish response onFCUnpublish(NetStream.unpublish.Success)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->command_name = RTMP_AMF0_COMMAND_ON_FC_UNPUBLISH;
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeUnpublishSuccess));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Stop publishing stream."));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onFCUnpublish(NetStream.unpublish.Success) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onFCUnpublish(NetStream.unpublish.Success) message success.");
-	}
-	// FCUnpublish response
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsFMLEStartResPacket* pkt = new SrsFMLEStartResPacket(unpublish_tid);
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send FCUnpublish response message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send FCUnpublish response message success.");
-	}
-	// publish response onStatus(NetStream.Unpublish.Success)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeUnpublishSuccess));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Stream is now unpublished"));
-		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onStatus(NetStream.Unpublish.Success) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onStatus(NetStream.Unpublish.Success) message success.");
-	}
-	
-	srs_info("FMLE unpublish success.");
-	
-	return ret;
-}
-
-int SrsRtmp::start_flash_publish(int stream_id)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// publish response onStatus(NetStream.Publish.Start)
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
-		
-		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodePublishStart));
-		pkt->data->set(StatusDescription, new SrsAmf0String("Started publishing stream."));
-		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
-		
-		msg->set_packet(pkt, stream_id);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send onStatus(NetStream.Publish.Start) message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send onStatus(NetStream.Publish.Start) message success.");
-	}
-	
-	srs_info("flash publish success.");
-	
-	return ret;
-}
-
-int SrsRtmp::identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsCreateStreamResPacket* pkt = new SrsCreateStreamResPacket(req->transaction_id, stream_id);
-		
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send createStream response message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send createStream response message success.");
-	}
-	
-	while (true) {
-		SrsCommonMessage* msg = NULL;
-		if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
-			srs_error("recv identify client message failed. ret=%d", ret);
-			return ret;
-		}
-
-		SrsAutoFree(SrsCommonMessage, msg, false);
-
-		if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
-			srs_trace("identify ignore messages except "
-				"AMF0/AMF3 command message. type=%#x", msg->header.message_type);
-			continue;
-		}
-		
-		if ((ret = msg->decode_packet(protocol)) != ERROR_SUCCESS) {
-			srs_error("identify decode message failed. ret=%d", ret);
-			return ret;
-		}
-		
-		SrsPacket* pkt = msg->get_packet();
-		if (dynamic_cast<SrsPlayPacket*>(pkt)) {
-			SrsPlayPacket* play = dynamic_cast<SrsPlayPacket*>(pkt);
-			type = SrsClientPlay;
-			stream_name = play->stream_name;
-			srs_trace("identity client type=play, stream_name=%s", stream_name.c_str());
-			return ret;
-		}
-		if (dynamic_cast<SrsPublishPacket*>(pkt)) {
-			srs_info("identify client by publish, falsh publish.");
-			return identify_flash_publish_client(
-				dynamic_cast<SrsPublishPacket*>(pkt), type, stream_name);
-		}
-		
-		srs_trace("ignore AMF0/AMF3 command message.");
-	}
-	
-	return ret;
-}
-
-int SrsRtmp::identify_fmle_publish_client(SrsFMLEStartPacket* req, SrsClientType& type, std::string& stream_name)
-{
-	int ret = ERROR_SUCCESS;
-	
-	type = SrsClientFMLEPublish;
-	stream_name = req->stream_name;
-	
-	// releaseStream response
-	if (true) {
-		SrsCommonMessage* msg = new SrsCommonMessage();
-		SrsFMLEStartResPacket* pkt = new SrsFMLEStartResPacket(req->transaction_id);
-		
-		msg->set_packet(pkt, 0);
-		
-		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
-			srs_error("send releaseStream response message failed. ret=%d", ret);
-			return ret;
-		}
-		srs_info("send releaseStream response message success.");
-	}
-	
-	return ret;
-}
-
-int SrsRtmp::identify_flash_publish_client(SrsPublishPacket* req, SrsClientType& type, std::string& stream_name)
-{
-	int ret = ERROR_SUCCESS;
-	
-	type = SrsClientFlashPublish;
-	stream_name = req->stream_name;
-	
-	return ret;
-}
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_rtmp.hpp>
+
+#include <srs_core_log.hpp>
+#include <srs_core_error.hpp>
+#include <srs_core_socket.hpp>
+#include <srs_core_protocol.hpp>
+#include <srs_core_autofree.hpp>
+#include <srs_core_amf0.hpp>
+#include <srs_core_handshake.hpp>
+#include <srs_core_config.hpp>
+
+/**
+* the signature for packets to client.
+*/
+#define RTMP_SIG_FMS_VER 					"3,5,3,888"
+#define RTMP_SIG_AMF0_VER 					0
+#define RTMP_SIG_CLIENT_ID 					"ASAICiss"
+
+/**
+* onStatus consts.
+*/
+#define StatusLevel 						"level"
+#define StatusCode 							"code"
+#define StatusDescription 					"description"
+#define StatusDetails 						"details"
+#define StatusClientId 						"clientid"
+// status value
+#define StatusLevelStatus 					"status"
+// code value
+#define StatusCodeConnectSuccess 			"NetConnection.Connect.Success"
+#define StatusCodeStreamReset 				"NetStream.Play.Reset"
+#define StatusCodeStreamStart 				"NetStream.Play.Start"
+#define StatusCodeStreamPause 				"NetStream.Pause.Notify"
+#define StatusCodeStreamUnpause 			"NetStream.Unpause.Notify"
+#define StatusCodePublishStart 				"NetStream.Publish.Start"
+#define StatusCodeDataStart 				"NetStream.Data.Start"
+#define StatusCodeUnpublishSuccess 			"NetStream.Unpublish.Success"
+
+// FMLE
+#define RTMP_AMF0_COMMAND_ON_FC_PUBLISH		"onFCPublish"
+#define RTMP_AMF0_COMMAND_ON_FC_UNPUBLISH	"onFCUnpublish"
+
+// default stream id for response the createStream request.
+#define SRS_DEFAULT_SID 					1
+
+SrsRequest::SrsRequest()
+{
+	objectEncoding = RTMP_SIG_AMF0_VER;
+}
+
+SrsRequest::~SrsRequest()
+{
+}
+
+int SrsRequest::discovery_app()
+{
+	int ret = ERROR_SUCCESS;
+	
+	size_t pos = std::string::npos;
+	std::string url = tcUrl;
+	
+	if ((pos = url.find("://")) != std::string::npos) {
+		schema = url.substr(0, pos);
+		url = url.substr(schema.length() + 3);
+		srs_verbose("discovery schema=%s", schema.c_str());
+	}
+	
+	if ((pos = url.find("/")) != std::string::npos) {
+		vhost = url.substr(0, pos);
+		url = url.substr(vhost.length() + 1);
+		srs_verbose("discovery vhost=%s", vhost.c_str());
+	}
+
+	port = RTMP_DEFAULT_PORTS;
+	if ((pos = vhost.find(":")) != std::string::npos) {
+		port = vhost.substr(pos + 1);
+		vhost = vhost.substr(0, pos);
+		srs_verbose("discovery vhost=%s, port=%s", vhost.c_str(), port.c_str());
+	}
+	
+	app = url;
+	srs_vhost_resolve(vhost, app);
+	
+	// resolve the vhost from config
+	SrsConfDirective* parsed_vhost = config->get_vhost(vhost);
+	if (parsed_vhost) {
+		vhost = parsed_vhost->arg0();
+	}
+
+	// TODO: discovery the params of vhost.
+	
+	srs_info("discovery app success. schema=%s, vhost=%s, port=%s, app=%s",
+		schema.c_str(), vhost.c_str(), port.c_str(), app.c_str());
+	
+	if (schema.empty() || vhost.empty() || port.empty() || app.empty()) {
+		ret = ERROR_RTMP_REQ_TCURL;
+		srs_error("discovery tcUrl failed. "
+			"tcUrl=%s, schema=%s, vhost=%s, port=%s, app=%s, ret=%d",
+			tcUrl.c_str(), schema.c_str(), vhost.c_str(), port.c_str(), app.c_str(), ret);
+		return ret;
+	}
+	
+	strip();
+	
+	return ret;
+}
+
+std::string SrsRequest::get_stream_url()
+{
+	std::string url = "";
+	
+	url += vhost;
+	url += "/";
+	url += app;
+	url += "/";
+	url += stream;
+
+	return url;
+}
+
+void SrsRequest::strip()
+{
+	trim(vhost, "/ \n\r\t");
+	trim(app, "/ \n\r\t");
+	trim(stream, "/ \n\r\t");
+}
+
+std::string& SrsRequest::trim(std::string& str, std::string chs)
+{
+	for (int i = 0; i < (int)chs.length(); i++) {
+		char ch = chs.at(i);
+		
+		for (std::string::iterator it = str.begin(); it != str.end();) {
+			if (ch == *it) {
+				it = str.erase(it);
+			} else {
+				++it;
+			}
+		}
+	}
+	
+	return str;
+}
+
+SrsResponse::SrsResponse()
+{
+	stream_id = SRS_DEFAULT_SID;
+}
+
+SrsResponse::~SrsResponse()
+{
+}
+
+SrsRtmpClient::SrsRtmpClient(st_netfd_t _stfd)
+{
+	stfd = _stfd;
+	protocol = new SrsProtocol(stfd);
+}
+
+SrsRtmpClient::~SrsRtmpClient()
+{
+	srs_freep(protocol);
+}
+
+void SrsRtmpClient::set_recv_timeout(int64_t timeout_us)
+{
+	protocol->set_recv_timeout(timeout_us);
+}
+
+void SrsRtmpClient::set_send_timeout(int64_t timeout_us)
+{
+	protocol->set_send_timeout(timeout_us);
+}
+
+int64_t SrsRtmpClient::get_recv_bytes()
+{
+	return protocol->get_recv_bytes();
+}
+
+int64_t SrsRtmpClient::get_send_bytes()
+{
+	return protocol->get_send_bytes();
+}
+
+int SrsRtmpClient::get_recv_kbps()
+{
+	return protocol->get_recv_kbps();
+}
+
+int SrsRtmpClient::get_send_kbps()
+{
+	return protocol->get_send_kbps();
+}
+
+int SrsRtmpClient::recv_message(SrsCommonMessage** pmsg)
+{
+	return protocol->recv_message(pmsg);
+}
+
+int SrsRtmpClient::send_message(ISrsMessage* msg)
+{
+	return protocol->send_message(msg);
+}
+
+int SrsRtmpClient::handshake()
+{
+	int ret = ERROR_SUCCESS;
+	
+    SrsSocket skt(stfd);
+    
+    SrsComplexHandshake complex_hs;
+    SrsSimpleHandshake simple_hs;
+    if ((ret = simple_hs.handshake_with_server(skt, complex_hs)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    return ret;
+}
+
+int SrsRtmpClient::connect_app(std::string app, std::string tc_url)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// Connect(vhost, app)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsConnectAppPacket* pkt = new SrsConnectAppPacket();
+		msg->set_packet(pkt, 0);
+		
+		pkt->command_object = new SrsAmf0Object();
+		pkt->command_object->set("app", new SrsAmf0String(app.c_str()));
+		pkt->command_object->set("swfUrl", new SrsAmf0String());
+		pkt->command_object->set("tcUrl", new SrsAmf0String(tc_url.c_str()));
+		pkt->command_object->set("fpad", new SrsAmf0Boolean(false));
+		pkt->command_object->set("capabilities", new SrsAmf0Number(239));
+		pkt->command_object->set("audioCodecs", new SrsAmf0Number(3575));
+		pkt->command_object->set("videoCodecs", new SrsAmf0Number(252));
+		pkt->command_object->set("videoFunction", new SrsAmf0Number(1));
+		pkt->command_object->set("pageUrl", new SrsAmf0String());
+		pkt->command_object->set("objectEncoding", new SrsAmf0Number(0));
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			return ret;
+		}
+	}
+	
+	// Set Window Acknowledgement size(2500000)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsSetWindowAckSizePacket* pkt = new SrsSetWindowAckSizePacket();
+	
+		pkt->ackowledgement_window_size = 2500000;
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			return ret;
+		}
+	}
+	
+	// expect connect _result
+	SrsCommonMessage* msg = NULL;
+	SrsConnectAppResPacket* pkt = NULL;
+	if ((ret = srs_rtmp_expect_message<SrsConnectAppResPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
+		srs_error("expect connect app response message failed. ret=%d", ret);
+		return ret;
+	}
+	SrsAutoFree(SrsCommonMessage, msg, false);
+	srs_info("get connect app response message");
+	
+    return ret;
+}
+
+int SrsRtmpClient::create_stream(int& stream_id)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// CreateStream
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsCreateStreamPacket* pkt = new SrsCreateStreamPacket();
+	
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			return ret;
+		}
+	}
+
+	// CreateStream _result.
+	if (true) {
+		SrsCommonMessage* msg = NULL;
+		SrsCreateStreamResPacket* pkt = NULL;
+		if ((ret = srs_rtmp_expect_message<SrsCreateStreamResPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
+			srs_error("expect create stream response message failed. ret=%d", ret);
+			return ret;
+		}
+		SrsAutoFree(SrsCommonMessage, msg, false);
+		srs_info("get create stream response message");
+
+		stream_id = (int)pkt->stream_id;
+	}
+	
+	return ret;
+}
+
+int SrsRtmpClient::play(std::string stream, int stream_id)
+{
+	int ret = ERROR_SUCCESS;
+
+	// Play(stream)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsPlayPacket* pkt = new SrsPlayPacket();
+	
+		pkt->stream_name = stream;
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send play stream failed. "
+				"stream=%s, stream_id=%d, ret=%d", 
+				stream.c_str(), stream_id, ret);
+			return ret;
+		}
+	}
+	
+	// SetBufferLength(1000ms)
+	int buffer_length_ms = 1000;
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsUserControlPacket* pkt = new SrsUserControlPacket();
+	
+		pkt->event_type = SrcPCUCSetBufferLength;
+		pkt->event_data = stream_id;
+		pkt->extra_data = buffer_length_ms;
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send set buffer length failed. "
+				"stream=%s, stream_id=%d, bufferLength=%d, ret=%d", 
+				stream.c_str(), stream_id, buffer_length_ms, ret);
+			return ret;
+		}
+	}
+	
+	return ret;
+}
+
+int SrsRtmpClient::publish(std::string stream, int stream_id)
+{
+	int ret = ERROR_SUCCESS;
+
+	// publish(stream)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsPublishPacket* pkt = new SrsPublishPacket();
+	
+		pkt->stream_name = stream;
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send publish message failed. "
+				"stream=%s, stream_id=%d, ret=%d", 
+				stream.c_str(), stream_id, ret);
+			return ret;
+		}
+	}
+	
+	return ret;
+}
+
+SrsRtmp::SrsRtmp(st_netfd_t client_stfd)
+{
+	protocol = new SrsProtocol(client_stfd);
+	stfd = client_stfd;
+}
+
+SrsRtmp::~SrsRtmp()
+{
+	srs_freep(protocol);
+}
+
+SrsProtocol* SrsRtmp::get_protocol()
+{
+	return protocol;
+}
+
+void SrsRtmp::set_recv_timeout(int64_t timeout_us)
+{
+	protocol->set_recv_timeout(timeout_us);
+}
+
+int64_t SrsRtmp::get_recv_timeout()
+{
+	return protocol->get_recv_timeout();
+}
+
+void SrsRtmp::set_send_timeout(int64_t timeout_us)
+{
+	protocol->set_send_timeout(timeout_us);
+}
+
+int64_t SrsRtmp::get_recv_bytes()
+{
+	return protocol->get_recv_bytes();
+}
+
+int64_t SrsRtmp::get_send_bytes()
+{
+	return protocol->get_send_bytes();
+}
+
+int SrsRtmp::get_recv_kbps()
+{
+	return protocol->get_recv_kbps();
+}
+
+int SrsRtmp::get_send_kbps()
+{
+	return protocol->get_send_kbps();
+}
+
+int SrsRtmp::recv_message(SrsCommonMessage** pmsg)
+{
+	return protocol->recv_message(pmsg);
+}
+
+int SrsRtmp::send_message(ISrsMessage* msg)
+{
+	return protocol->send_message(msg);
+}
+
+int SrsRtmp::handshake()
+{
+	int ret = ERROR_SUCCESS;
+	
+    SrsSocket skt(stfd);
+    
+    SrsComplexHandshake complex_hs;
+    SrsSimpleHandshake simple_hs;
+    if ((ret = simple_hs.handshake_with_client(skt, complex_hs)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    return ret;
+}
+
+int SrsRtmp::connect_app(SrsRequest* req)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsCommonMessage* msg = NULL;
+	SrsConnectAppPacket* pkt = NULL;
+	if ((ret = srs_rtmp_expect_message<SrsConnectAppPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
+		srs_error("expect connect app message failed. ret=%d", ret);
+		return ret;
+	}
+	SrsAutoFree(SrsCommonMessage, msg, false);
+	srs_info("get connect app message");
+	
+	SrsAmf0Any* prop = NULL;
+	
+	if ((prop = pkt->command_object->ensure_property_string("tcUrl")) == NULL) {
+		ret = ERROR_RTMP_REQ_CONNECT;
+		srs_error("invalid request, must specifies the tcUrl. ret=%d", ret);
+		return ret;
+	}
+	req->tcUrl = srs_amf0_convert<SrsAmf0String>(prop)->value;
+	
+	if ((prop = pkt->command_object->ensure_property_string("pageUrl")) != NULL) {
+		req->pageUrl = srs_amf0_convert<SrsAmf0String>(prop)->value;
+	}
+	
+	if ((prop = pkt->command_object->ensure_property_string("swfUrl")) != NULL) {
+		req->swfUrl = srs_amf0_convert<SrsAmf0String>(prop)->value;
+	}
+	
+	if ((prop = pkt->command_object->ensure_property_number("objectEncoding")) != NULL) {
+		req->objectEncoding = srs_amf0_convert<SrsAmf0Number>(prop)->value;
+	}
+	
+	srs_info("get connect app message params success.");
+	
+	return req->discovery_app();
+}
+
+int SrsRtmp::set_window_ack_size(int ack_size)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsCommonMessage* msg = new SrsCommonMessage();
+	SrsSetWindowAckSizePacket* pkt = new SrsSetWindowAckSizePacket();
+	
+	pkt->ackowledgement_window_size = ack_size;
+	msg->set_packet(pkt, 0);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send ack size message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send ack size message success. ack_size=%d", ack_size);
+	
+	return ret;
+}
+
+int SrsRtmp::set_peer_bandwidth(int bandwidth, int type)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsCommonMessage* msg = new SrsCommonMessage();
+	SrsSetPeerBandwidthPacket* pkt = new SrsSetPeerBandwidthPacket();
+	
+	pkt->bandwidth = bandwidth;
+	pkt->type = type;
+	msg->set_packet(pkt, 0);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send set bandwidth message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send set bandwidth message "
+		"success. bandwidth=%d, type=%d", bandwidth, type);
+	
+	return ret;
+}
+
+int SrsRtmp::response_connect_app(SrsRequest* req)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsCommonMessage* msg = new SrsCommonMessage();
+	SrsConnectAppResPacket* pkt = new SrsConnectAppResPacket();
+	
+	pkt->props->set("fmsVer", new SrsAmf0String("FMS/"RTMP_SIG_FMS_VER));
+	pkt->props->set("capabilities", new SrsAmf0Number(127));
+	pkt->props->set("mode", new SrsAmf0Number(1));
+	
+	pkt->info->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+	pkt->info->set(StatusCode, new SrsAmf0String(StatusCodeConnectSuccess));
+	pkt->info->set(StatusDescription, new SrsAmf0String("Connection succeeded"));
+	pkt->info->set("objectEncoding", new SrsAmf0Number(req->objectEncoding));
+	SrsASrsAmf0EcmaArray* data = new SrsASrsAmf0EcmaArray();
+	pkt->info->set("data", data);
+	
+	data->set("srs_version", new SrsAmf0String(RTMP_SIG_FMS_VER));
+	data->set("srs_server", new SrsAmf0String(RTMP_SIG_SRS_NAME));
+	data->set("srs_license", new SrsAmf0String(RTMP_SIG_SRS_LICENSE));
+	data->set("srs_role", new SrsAmf0String(RTMP_SIG_SRS_ROLE));
+	data->set("srs_url", new SrsAmf0String(RTMP_SIG_SRS_URL));
+	data->set("srs_version", new SrsAmf0String(RTMP_SIG_SRS_VERSION));
+	data->set("srs_site", new SrsAmf0String(RTMP_SIG_SRS_WEB));
+	data->set("srs_email", new SrsAmf0String(RTMP_SIG_SRS_EMAIL));
+	data->set("srs_copyright", new SrsAmf0String(RTMP_SIG_SRS_COPYRIGHT));
+	
+	msg->set_packet(pkt, 0);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send connect app response message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send connect app response message success.");
+	
+	return ret;
+}
+
+int SrsRtmp::on_bw_done()
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsCommonMessage* msg = new SrsCommonMessage();
+	SrsOnBWDonePacket* pkt = new SrsOnBWDonePacket();
+	
+	msg->set_packet(pkt, 0);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send onBWDone message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send onBWDone message success.");
+	
+	return ret;
+}
+
+int SrsRtmp::identify_client(int stream_id, SrsClientType& type, std::string& stream_name)
+{
+	type = SrsClientUnknown;
+	int ret = ERROR_SUCCESS;
+	
+	while (true) {
+		SrsCommonMessage* msg = NULL;
+		if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
+			srs_error("recv identify client message failed. ret=%d", ret);
+			return ret;
+		}
+
+		SrsAutoFree(SrsCommonMessage, msg, false);
+
+		if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
+			srs_trace("identify ignore messages except "
+				"AMF0/AMF3 command message. type=%#x", msg->header.message_type);
+			continue;
+		}
+		
+		if ((ret = msg->decode_packet(protocol)) != ERROR_SUCCESS) {
+			srs_error("identify decode message failed. ret=%d", ret);
+			return ret;
+		}
+		
+		SrsPacket* pkt = msg->get_packet();
+		if (dynamic_cast<SrsCreateStreamPacket*>(pkt)) {
+			srs_info("identify client by create stream, play or flash publish.");
+			return identify_create_stream_client(
+				dynamic_cast<SrsCreateStreamPacket*>(pkt), stream_id, type, stream_name);
+		}
+		if (dynamic_cast<SrsFMLEStartPacket*>(pkt)) {
+			srs_info("identify client by releaseStream, fmle publish.");
+			return identify_fmle_publish_client(
+				dynamic_cast<SrsFMLEStartPacket*>(pkt), type, stream_name);
+		}
+		
+		srs_trace("ignore AMF0/AMF3 command message.");
+	}
+	
+	return ret;
+}
+
+int SrsRtmp::set_chunk_size(int chunk_size)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsCommonMessage* msg = new SrsCommonMessage();
+	SrsSetChunkSizePacket* pkt = new SrsSetChunkSizePacket();
+	
+	pkt->chunk_size = chunk_size;
+	msg->set_packet(pkt, 0);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send set chunk size message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send set chunk size message success. chunk_size=%d", chunk_size);
+	
+	return ret;
+}
+
+int SrsRtmp::start_play(int stream_id)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// StreamBegin
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsUserControlPacket* pkt = new SrsUserControlPacket();
+		
+		pkt->event_type = SrcPCUCStreamBegin;
+		pkt->event_data = stream_id;
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send PCUC(StreamBegin) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send PCUC(StreamBegin) message success.");
+	}
+	
+	// onStatus(NetStream.Play.Reset)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamReset));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Playing and resetting stream."));
+		pkt->data->set(StatusDetails, new SrsAmf0String("stream"));
+		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onStatus(NetStream.Play.Reset) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onStatus(NetStream.Play.Reset) message success.");
+	}
+	
+	// onStatus(NetStream.Play.Start)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamStart));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Started playing stream."));
+		pkt->data->set(StatusDetails, new SrsAmf0String("stream"));
+		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onStatus(NetStream.Play.Reset) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onStatus(NetStream.Play.Reset) message success.");
+	}
+	
+	// |RtmpSampleAccess(false, false)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsSampleAccessPacket* pkt = new SrsSampleAccessPacket();
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send |RtmpSampleAccess(false, false) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send |RtmpSampleAccess(false, false) message success.");
+	}
+	
+	// onStatus(NetStream.Data.Start)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusDataPacket* pkt = new SrsOnStatusDataPacket();
+		
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeDataStart));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onStatus(NetStream.Data.Start) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onStatus(NetStream.Data.Start) message success.");
+	}
+	
+	srs_info("start play success.");
+	
+	return ret;
+}
+
+int SrsRtmp::on_play_client_pause(int stream_id, bool is_pause)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (is_pause) {
+		// onStatus(NetStream.Pause.Notify)
+		if (true) {
+			SrsCommonMessage* msg = new SrsCommonMessage();
+			SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+			
+			pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+			pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamPause));
+			pkt->data->set(StatusDescription, new SrsAmf0String("Paused stream."));
+			
+			msg->set_packet(pkt, stream_id);
+			
+			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+				srs_error("send onStatus(NetStream.Pause.Notify) message failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("send onStatus(NetStream.Pause.Notify) message success.");
+		}
+		// StreamEOF
+		if (true) {
+			SrsCommonMessage* msg = new SrsCommonMessage();
+			SrsUserControlPacket* pkt = new SrsUserControlPacket();
+			
+			pkt->event_type = SrcPCUCStreamEOF;
+			pkt->event_data = stream_id;
+			msg->set_packet(pkt, 0);
+			
+			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+				srs_error("send PCUC(StreamEOF) message failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("send PCUC(StreamEOF) message success.");
+		}
+	} else {
+		// onStatus(NetStream.Unpause.Notify)
+		if (true) {
+			SrsCommonMessage* msg = new SrsCommonMessage();
+			SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+			
+			pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+			pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeStreamUnpause));
+			pkt->data->set(StatusDescription, new SrsAmf0String("Unpaused stream."));
+			
+			msg->set_packet(pkt, stream_id);
+			
+			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+				srs_error("send onStatus(NetStream.Unpause.Notify) message failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("send onStatus(NetStream.Unpause.Notify) message success.");
+		}
+		// StreanBegin
+		if (true) {
+			SrsCommonMessage* msg = new SrsCommonMessage();
+			SrsUserControlPacket* pkt = new SrsUserControlPacket();
+			
+			pkt->event_type = SrcPCUCStreamBegin;
+			pkt->event_data = stream_id;
+			msg->set_packet(pkt, 0);
+			
+			if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+				srs_error("send PCUC(StreanBegin) message failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("send PCUC(StreanBegin) message success.");
+		}
+	}
+	
+	return ret;
+}
+
+int SrsRtmp::start_fmle_publish(int stream_id)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// FCPublish
+	double fc_publish_tid = 0;
+	if (true) {
+		SrsCommonMessage* msg = NULL;
+		SrsFMLEStartPacket* pkt = NULL;
+		if ((ret = srs_rtmp_expect_message<SrsFMLEStartPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
+			srs_error("recv FCPublish message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("recv FCPublish request message success.");
+		
+		SrsAutoFree(SrsCommonMessage, msg, false);
+		fc_publish_tid = pkt->transaction_id;
+	}
+	// FCPublish response
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsFMLEStartResPacket* pkt = new SrsFMLEStartResPacket(fc_publish_tid);
+		
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send FCPublish response message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send FCPublish response message success.");
+	}
+	
+	// createStream
+	double create_stream_tid = 0;
+	if (true) {
+		SrsCommonMessage* msg = NULL;
+		SrsCreateStreamPacket* pkt = NULL;
+		if ((ret = srs_rtmp_expect_message<SrsCreateStreamPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
+			srs_error("recv createStream message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("recv createStream request message success.");
+		
+		SrsAutoFree(SrsCommonMessage, msg, false);
+		create_stream_tid = pkt->transaction_id;
+	}
+	// createStream response
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsCreateStreamResPacket* pkt = new SrsCreateStreamResPacket(create_stream_tid, stream_id);
+		
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send createStream response message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send createStream response message success.");
+	}
+	
+	// publish
+	if (true) {
+		SrsCommonMessage* msg = NULL;
+		SrsPublishPacket* pkt = NULL;
+		if ((ret = srs_rtmp_expect_message<SrsPublishPacket>(protocol, &msg, &pkt)) != ERROR_SUCCESS) {
+			srs_error("recv publish message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("recv publish request message success.");
+		
+		SrsAutoFree(SrsCommonMessage, msg, false);
+	}
+	// publish response onFCPublish(NetStream.Publish.Start)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->command_name = RTMP_AMF0_COMMAND_ON_FC_PUBLISH;
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodePublishStart));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Started publishing stream."));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onFCPublish(NetStream.Publish.Start) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onFCPublish(NetStream.Publish.Start) message success.");
+	}
+	// publish response onStatus(NetStream.Publish.Start)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodePublishStart));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Started publishing stream."));
+		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onStatus(NetStream.Publish.Start) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onStatus(NetStream.Publish.Start) message success.");
+	}
+	
+	srs_info("FMLE publish success.");
+	
+	return ret;
+}
+
+int SrsRtmp::fmle_unpublish(int stream_id, double unpublish_tid)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// publish response onFCUnpublish(NetStream.unpublish.Success)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->command_name = RTMP_AMF0_COMMAND_ON_FC_UNPUBLISH;
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeUnpublishSuccess));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Stop publishing stream."));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onFCUnpublish(NetStream.unpublish.Success) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onFCUnpublish(NetStream.unpublish.Success) message success.");
+	}
+	// FCUnpublish response
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsFMLEStartResPacket* pkt = new SrsFMLEStartResPacket(unpublish_tid);
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send FCUnpublish response message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send FCUnpublish response message success.");
+	}
+	// publish response onStatus(NetStream.Unpublish.Success)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodeUnpublishSuccess));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Stream is now unpublished"));
+		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onStatus(NetStream.Unpublish.Success) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onStatus(NetStream.Unpublish.Success) message success.");
+	}
+	
+	srs_info("FMLE unpublish success.");
+	
+	return ret;
+}
+
+int SrsRtmp::start_flash_publish(int stream_id)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// publish response onStatus(NetStream.Publish.Start)
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket();
+		
+		pkt->data->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
+		pkt->data->set(StatusCode, new SrsAmf0String(StatusCodePublishStart));
+		pkt->data->set(StatusDescription, new SrsAmf0String("Started publishing stream."));
+		pkt->data->set(StatusClientId, new SrsAmf0String(RTMP_SIG_CLIENT_ID));
+		
+		msg->set_packet(pkt, stream_id);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send onStatus(NetStream.Publish.Start) message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send onStatus(NetStream.Publish.Start) message success.");
+	}
+	
+	srs_info("flash publish success.");
+	
+	return ret;
+}
+
+int SrsRtmp::identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsCreateStreamResPacket* pkt = new SrsCreateStreamResPacket(req->transaction_id, stream_id);
+		
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send createStream response message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send createStream response message success.");
+	}
+	
+	while (true) {
+		SrsCommonMessage* msg = NULL;
+		if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
+			srs_error("recv identify client message failed. ret=%d", ret);
+			return ret;
+		}
+
+		SrsAutoFree(SrsCommonMessage, msg, false);
+
+		if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
+			srs_trace("identify ignore messages except "
+				"AMF0/AMF3 command message. type=%#x", msg->header.message_type);
+			continue;
+		}
+		
+		if ((ret = msg->decode_packet(protocol)) != ERROR_SUCCESS) {
+			srs_error("identify decode message failed. ret=%d", ret);
+			return ret;
+		}
+		
+		SrsPacket* pkt = msg->get_packet();
+		if (dynamic_cast<SrsPlayPacket*>(pkt)) {
+			SrsPlayPacket* play = dynamic_cast<SrsPlayPacket*>(pkt);
+			type = SrsClientPlay;
+			stream_name = play->stream_name;
+			srs_trace("identity client type=play, stream_name=%s", stream_name.c_str());
+			return ret;
+		}
+		if (dynamic_cast<SrsPublishPacket*>(pkt)) {
+			srs_info("identify client by publish, falsh publish.");
+			return identify_flash_publish_client(
+				dynamic_cast<SrsPublishPacket*>(pkt), type, stream_name);
+		}
+		
+		srs_trace("ignore AMF0/AMF3 command message.");
+	}
+	
+	return ret;
+}
+
+int SrsRtmp::identify_fmle_publish_client(SrsFMLEStartPacket* req, SrsClientType& type, std::string& stream_name)
+{
+	int ret = ERROR_SUCCESS;
+	
+	type = SrsClientFMLEPublish;
+	stream_name = req->stream_name;
+	
+	// releaseStream response
+	if (true) {
+		SrsCommonMessage* msg = new SrsCommonMessage();
+		SrsFMLEStartResPacket* pkt = new SrsFMLEStartResPacket(req->transaction_id);
+		
+		msg->set_packet(pkt, 0);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send releaseStream response message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send releaseStream response message success.");
+	}
+	
+	return ret;
+}
+
+int SrsRtmp::identify_flash_publish_client(SrsPublishPacket* req, SrsClientType& type, std::string& stream_name)
+{
+	int ret = ERROR_SUCCESS;
+	
+	type = SrsClientFlashPublish;
+	stream_name = req->stream_name;
+	
+	return ret;
+}
+

@@ -32,8 +32,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <string>
 
-#include <st.h>
-
 class SrsProtocol;
 class ISrsMessage;
 class SrsCommonMessage;

@@ -30,8 +30,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <algorithm>
 
-#include <st.h>
-
 #include <srs_core_log.hpp>
 #include <srs_core_error.hpp>
 #include <srs_core_client.hpp>
@@ -48,24 +46,16 @@ SrsListener::SrsListener(SrsServer* _server, SrsListenerType _type)
 	port = 0;
 	server = _server;
 	type = _type;
-	
-	tid = NULL;
-	loop = false;
+
+	pthread = new SrsThread(this, 0);
 }
 
 SrsListener::~SrsListener()
 {
-	if (stfd) {
-		st_netfd_close(stfd);
-		stfd = NULL;
-	}
+	srs_close_stfd(stfd);
 	
-	if (tid) {
-		loop = false;
-		st_thread_interrupt(tid);
-		st_thread_join(tid, NULL);
-		tid = NULL;
-	}
+	pthread->stop();
+	srs_freep(pthread);
 	
 	// st does not close it sometimes, 
 	// close it manually.
@@ -118,8 +108,7 @@ int SrsListener::listen(int _port)
     }
     srs_verbose("st open socket success. fd=%d", fd);
     
-    if ((tid = st_thread_create(listen_thread, this, 1, 0)) == NULL) {
-        ret = ERROR_ST_CREATE_LISTEN_THREAD;
+    if ((ret = pthread->start()) != ERROR_SUCCESS) {
         srs_error("st_thread_create listen thread error. ret=%d", ret);
         return ret;
     }
@@ -130,41 +119,32 @@ int SrsListener::listen(int _port)
 	return ret;
 }
 
-void SrsListener::listen_cycle()
+void SrsListener::on_enter_loop()
 {
-	int ret = ERROR_SUCCESS;
-	
-	log_context->generate_id();
 	srs_trace("listen cycle start, port=%d, type=%d, fd=%d", port, type, fd);
-	
-	while (loop) {
-	    st_netfd_t client_stfd = st_accept(stfd, NULL, NULL, ST_UTIME_NO_TIMEOUT);
-	    
-	    if(client_stfd == NULL){
-	        // ignore error.
-	        srs_warn("ignore accept thread stoppped for accept client error");
-	        continue;
-	    }
-	    srs_verbose("get a client. fd=%d", st_netfd_fileno(client_stfd));
-    	
-    	if ((ret = server->accept_client(type, client_stfd)) != ERROR_SUCCESS) {
-    		srs_warn("accept client error. ret=%d", ret);
-			continue;
-    	}
-    	
-    	srs_verbose("accept client finished. conns=%d, ret=%d", (int)conns.size(), ret);
-	}
 }
 
-void* SrsListener::listen_thread(void* arg)
+int SrsListener::cycle()
 {
-	SrsListener* obj = (SrsListener*)arg;
-	srs_assert(obj != NULL);
+	int ret = ERROR_SUCCESS;
 	
-	obj->loop = true;
-	obj->listen_cycle();
+    st_netfd_t client_stfd = st_accept(stfd, NULL, NULL, ST_UTIME_NO_TIMEOUT);
+    
+    if(client_stfd == NULL){
+        // ignore error.
+        srs_warn("ignore accept thread stoppped for accept client error");
+        return ret;
+    }
+    srs_verbose("get a client. fd=%d", st_netfd_fileno(client_stfd));
 	
-	return NULL;
+	if ((ret = server->accept_client(type, client_stfd)) != ERROR_SUCCESS) {
+		srs_warn("accept client error. ret=%d", ret);
+		return ret;
+	}
+	
+	srs_verbose("accept client finished. conns=%d, ret=%d", (int)conns.size(), ret);
+	
+	return ret;
 }
 
 SrsServer::SrsServer()
@@ -312,8 +292,7 @@ int SrsServer::accept_client(SrsListenerType type, st_netfd_t client_stfd)
 		srs_error("exceed the max connections, drop client: "
 			"clients=%d, max=%d, fd=%d", (int)conns.size(), max_connections, fd);
 			
-		st_netfd_close(client_stfd);
-		::close(fd);
+		srs_close_stfd(client_stfd);
 		
 		return ret;
 	}

@@ -32,9 +32,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <vector>
 
-#include <st.h>
-
 #include <srs_core_reload.hpp>
+#include <srs_core_thread.hpp>
 
 class SrsServer;
 class SrsConnection;
@@ -45,7 +44,7 @@ enum SrsListenerType
 	SrsListenerApi
 };
 
-class SrsListener
+class SrsListener : public ISrsThreadHandler
 {
 public:
 	SrsListenerType type;
@@ -54,16 +53,16 @@ private:
 	st_netfd_t stfd;
 	int port;
 	SrsServer* server;
-	st_thread_t tid;
-	bool loop;
+	SrsThread* pthread;
 public:
 	SrsListener(SrsServer* _server, SrsListenerType _type);
 	virtual ~SrsListener();
 public:
 	virtual int listen(int port);
-private:
-	virtual void listen_cycle();
-	static void* listen_thread(void* arg);
+// interface ISrsThreadHandler.
+public:
+	virtual void on_enter_loop();
+	virtual int cycle();
 };
 
 class SrsServer : public SrsReloadHandler

@@ -30,8 +30,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_core.hpp>
 
-#include <st.h>
-
 /**
 * the socket provides TCP socket over st,
 * that is, the sync socket mechanism.

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_source.hpp>
-
-#include <algorithm>
-
-#include <srs_core_log.hpp>
-#include <srs_core_protocol.hpp>
-#include <srs_core_autofree.hpp>
-#include <srs_core_amf0.hpp>
-#include <srs_core_codec.hpp>
-#include <srs_core_hls.hpp>
-#include <srs_core_forward.hpp>
-#include <srs_core_config.hpp>
-#include <srs_core_encoder.hpp>
-#include <srs_core_rtmp.hpp>
-
-#define CONST_MAX_JITTER_MS 		500
-#define DEFAULT_FRAME_TIME_MS 		10
-#define PAUSED_SHRINK_SIZE			250
-
-SrsRtmpJitter::SrsRtmpJitter()
-{
-	last_pkt_correct_time = last_pkt_time = 0;
-}
-
-SrsRtmpJitter::~SrsRtmpJitter()
-{
-}
-
-int SrsRtmpJitter::correct(SrsSharedPtrMessage* msg, int tba, int tbv, int64_t* corrected_time)
-{
-	int ret = ERROR_SUCCESS;
-	
-	int sample_rate = tba;
-	int frame_rate = tbv;
-	
-	/**
-	* we use a very simple time jitter detect/correct algorithm:
-	* 1. delta: ensure the delta is positive and valid,
-	* 	we set the delta to DEFAULT_FRAME_TIME_MS,
-	* 	if the delta of time is nagative or greater than CONST_MAX_JITTER_MS.
-	* 2. last_pkt_time: specifies the original packet time,
-	* 	is used to detect next jitter.
-	* 3. last_pkt_correct_time: simply add the positive delta, 
-	* 	and enforce the time monotonically.
-	*/
-	u_int32_t time = msg->header.timestamp;
-	int32_t delta = time - last_pkt_time;
-
-	// if jitter detected, reset the delta.
-	if (delta < 0 || delta > CONST_MAX_JITTER_MS) {
-		// calc the right diff by audio sample rate
-		if (msg->header.is_audio() && sample_rate > 0) {
-			delta = (int32_t)(delta * 1000.0 / sample_rate);
-		} else if (msg->header.is_video() && frame_rate > 0) {
-			delta = (int32_t)(delta * 1.0 / frame_rate);
-		} else {
-			delta = DEFAULT_FRAME_TIME_MS;
-		}
-
-		// sometimes, the time is absolute time, so correct it again.
-		if (delta < 0 || delta > CONST_MAX_JITTER_MS) {
-			delta = DEFAULT_FRAME_TIME_MS;
-		}
-		
-		srs_info("jitter detected, last_pts=%d, pts=%d, diff=%d, last_time=%d, time=%d, diff=%d",
-			last_pkt_time, time, time - last_pkt_time, last_pkt_correct_time, last_pkt_correct_time + delta, delta);
-	} else {
-		srs_verbose("timestamp no jitter. time=%d, last_pkt=%d, correct_to=%d", 
-			time, last_pkt_time, last_pkt_correct_time + delta);
-	}
-	
-	last_pkt_correct_time = srs_max(0, last_pkt_correct_time + delta);
-	
-	if (corrected_time) {
-		*corrected_time = last_pkt_correct_time;
-	}
-	msg->header.timestamp = last_pkt_correct_time;
-	
-	last_pkt_time = time;
-	
-	return ret;
-}
-
-int SrsRtmpJitter::get_time()
-{
-	return (int)last_pkt_correct_time;
-}
-
-SrsConsumer::SrsConsumer(SrsSource* _source)
-{
-	source = _source;
-	paused = false;
-	jitter = new SrsRtmpJitter();
-}
-
-SrsConsumer::~SrsConsumer()
-{
-	clear();
-	
-	source->on_consumer_destroy(this);
-	srs_freep(jitter);
-}
-
-int SrsConsumer::get_time()
-{
-	return jitter->get_time();
-}
-
-int SrsConsumer::enqueue(SrsSharedPtrMessage* msg, int tba, int tbv)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if ((ret = jitter->correct(msg, tba, tbv)) != ERROR_SUCCESS) {
-		srs_freep(msg);
-		return ret;
-	}
-	
-	// TODO: check the queue size and drop packets if overflow.
-	msgs.push_back(msg);
-	
-	return ret;
-}
-
-int SrsConsumer::get_packets(int max_count, SrsSharedPtrMessage**& pmsgs, int& count)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if (msgs.empty()) {
-		return ret;
-	}
-
-	if (paused) {
-		if ((int)msgs.size() >= PAUSED_SHRINK_SIZE) {
-			shrink();
-		}
-		return ret;
-	}
-	
-	if (max_count == 0) {
-		count = (int)msgs.size();
-	} else {
-		count = srs_min(max_count, (int)msgs.size());
-	}
-	
-	pmsgs = new SrsSharedPtrMessage*[count];
-	
-	for (int i = 0; i < count; i++) {
-		pmsgs[i] = msgs[i];
-	}
-	
-	if (count == (int)msgs.size()) {
-		msgs.clear();
-	} else {
-		msgs.erase(msgs.begin(), msgs.begin() + count);
-	}
-	
-	return ret;
-}
-
-int SrsConsumer::on_play_client_pause(bool is_pause)
-{
-	int ret = ERROR_SUCCESS;
-	
-	srs_trace("stream consumer change pause state %d=>%d", paused, is_pause);
-	paused = is_pause;
-	
-	return ret;
-}
-
-void SrsConsumer::shrink()
-{
-	int i = 0;
-	std::vector<SrsSharedPtrMessage*>::iterator it;
-	
-	// issue the last video iframe.
-	bool has_video = false;
-	int frame_to_remove = 0;
-	std::vector<SrsSharedPtrMessage*>::iterator iframe = msgs.end();
-	for (i = 0, it = msgs.begin(); it != msgs.end(); ++it, i++) {
-		SrsSharedPtrMessage* msg = *it;
-		if (msg->header.is_video()) {
-			has_video = true;
-			if (SrsCodec::video_is_keyframe(msg->payload, msg->size)) {
-				iframe = it;
-				frame_to_remove = i + 1;
-			}
-		}
-	}
-	
-	// last iframe is the first elem, ignore it.
-	if (iframe == msgs.begin()) {
-		return;
-	}
-	
-	// recalc the frame to remove
-	if (iframe == msgs.end()) {
-		frame_to_remove = 0;
-	}
-	if (!has_video) {
-		frame_to_remove = (int)msgs.size();
-	}
-	
-	srs_trace("shrink the cache queue, has_video=%d, has_iframe=%d, size=%d, removed=%d", 
-		has_video, iframe != msgs.end(), (int)msgs.size(), frame_to_remove);
-	
-	// if no video, remove all audio.
-	if (!has_video) {
-		clear();
-		return;
-	}
-	
-	// if exists video Iframe, remove the frames before it.
-	if (iframe != msgs.end()) {
-		for (it = msgs.begin(); it != iframe; ++it) {
-			SrsSharedPtrMessage* msg = *it;
-			srs_freep(msg);
-		}
-		msgs.erase(msgs.begin(), iframe);
-	}
-}
-
-void SrsConsumer::clear()
-{
-	std::vector<SrsSharedPtrMessage*>::iterator it;
-	for (it = msgs.begin(); it != msgs.end(); ++it) {
-		SrsSharedPtrMessage* msg = *it;
-		srs_freep(msg);
-	}
-	msgs.clear();
-}
-
-SrsGopCache::SrsGopCache()
-{
-	cached_video_count = 0;
-	enable_gop_cache = true;
-}
-
-SrsGopCache::~SrsGopCache()
-{
-	clear();
-}
-
-void SrsGopCache::set(bool enabled)
-{
-	enable_gop_cache = enabled;
-	
-	if (!enabled) {
-		srs_info("disable gop cache, clear %d packets.", (int)gop_cache.size());
-		clear();
-		return;
-	}
-	
-	srs_info("enable gop cache");
-}
-
-int SrsGopCache::cache(SrsSharedPtrMessage* msg)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if (!enable_gop_cache) {
-		srs_verbose("gop cache is disabled.");
-		return ret;
-	}
-	
-	// got video, update the video count if acceptable
-	if (msg->header.is_video()) {
-		cached_video_count++;
-	}
-	
-	// no acceptable video or pure audio, disable the cache.
-	if (cached_video_count == 0) {
-		srs_verbose("ignore any frame util got a h264 video frame.");
-		return ret;
-	}
-	
-	// clear gop cache when got key frame
-	if (msg->header.is_video() && SrsCodec::video_is_keyframe(msg->payload, msg->size)) {
-		srs_info("clear gop cache when got keyframe. vcount=%d, count=%d",
-			cached_video_count, (int)gop_cache.size());
-			
-		clear();
-		
-		// curent msg is video frame, so we set to 1.
-		cached_video_count = 1;
-	}
-	
-	// cache the frame.
-	gop_cache.push_back(msg->copy());
-	
-	return ret;
-}
-
-void SrsGopCache::clear()
-{
-	std::vector<SrsSharedPtrMessage*>::iterator it;
-	for (it = gop_cache.begin(); it != gop_cache.end(); ++it) {
-		SrsSharedPtrMessage* msg = *it;
-		srs_freep(msg);
-	}
-	gop_cache.clear();
-
-	cached_video_count = 0;
-}
-	
-int SrsGopCache::dump(SrsConsumer* consumer, int tba, int tbv)
-{
-	int ret = ERROR_SUCCESS;
-	
-	std::vector<SrsSharedPtrMessage*>::iterator it;
-	for (it = gop_cache.begin(); it != gop_cache.end(); ++it) {
-		SrsSharedPtrMessage* msg = *it;
-		if ((ret = consumer->enqueue(msg->copy(), tba, tbv)) != ERROR_SUCCESS) {
-			srs_error("dispatch cached gop failed. ret=%d", ret);
-			return ret;
-		}
-	}
-	srs_trace("dispatch cached gop success. count=%d, duration=%d", (int)gop_cache.size(), consumer->get_time());
-	
-	return ret;
-}
-
-std::map<std::string, SrsSource*> SrsSource::pool;
-
-SrsSource* SrsSource::find(std::string stream_url)
-{
-	if (pool.find(stream_url) == pool.end()) {
-		pool[stream_url] = new SrsSource(stream_url);
-		srs_verbose("create new source for url=%s", stream_url.c_str());
-	}
-	
-	return pool[stream_url];
-}
-
-SrsSource::SrsSource(std::string _stream_url)
-{
-	stream_url = _stream_url;
-	
-#ifdef SRS_HLS
-	hls = new SrsHls();
-#endif
-#ifdef SRS_FFMPEG
-	encoder = new SrsEncoder();
-#endif
-	
-	cache_metadata = cache_sh_video = cache_sh_audio = NULL;
-	
-	frame_rate = sample_rate = 0;
-	_can_publish = true;
-	
-	gop_cache = new SrsGopCache();
-}
-
-SrsSource::~SrsSource()
-{
-	if (true) {
-		std::vector<SrsConsumer*>::iterator it;
-		for (it = consumers.begin(); it != consumers.end(); ++it) {
-			SrsConsumer* consumer = *it;
-			srs_freep(consumer);
-		}
-		consumers.clear();
-	}
-
-	if (true) {
-		std::vector<SrsForwarder*>::iterator it;
-		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
-			SrsForwarder* forwarder = *it;
-			srs_freep(forwarder);
-		}
-		forwarders.clear();
-	}
-	
-	srs_freep(cache_metadata);
-	srs_freep(cache_sh_video);
-	srs_freep(cache_sh_audio);
-	
-	srs_freep(gop_cache);
-	
-#ifdef SRS_HLS
-	srs_freep(hls);
-#endif
-#ifdef SRS_FFMPEG
-	srs_freep(encoder);
-#endif
-}
-
-bool SrsSource::can_publish()
-{
-	return _can_publish;
-}
-
-int SrsSource::on_meta_data(SrsCommonMessage* msg, SrsOnMetaDataPacket* metadata)
-{
-	int ret = ERROR_SUCCESS;
-	
-#ifdef SRS_HLS
-	if ((ret = hls->on_meta_data(metadata)) != ERROR_SUCCESS) {
-		srs_error("hls process onMetaData message failed. ret=%d", ret);
-		return ret;
-	}
-#endif
-	
-	metadata->metadata->set("server", new SrsAmf0String(
-		RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
-	
-	SrsAmf0Any* prop = NULL;
-	if ((prop = metadata->metadata->get_property("audiosamplerate")) != NULL) {
-		if (prop->is_number()) {
-			sample_rate = (int)(srs_amf0_convert<SrsAmf0Number>(prop)->value);
-		}
-	}
-	if ((prop = metadata->metadata->get_property("framerate")) != NULL) {
-		if (prop->is_number()) {
-			frame_rate = (int)(srs_amf0_convert<SrsAmf0Number>(prop)->value);
-		}
-	}
-	
-	// encode the metadata to payload
-	int size = metadata->get_payload_length();
-	if (size <= 0) {
-		srs_warn("ignore the invalid metadata. size=%d", size);
-		return ret;
-	}
-	srs_verbose("get metadata size success.");
-	
-	char* payload = new char[size];
-	memset(payload, 0, size);
-	if ((ret = metadata->encode(size, payload)) != ERROR_SUCCESS) {
-		srs_error("encode metadata error. ret=%d", ret);
-		srs_freepa(payload);
-		return ret;
-	}
-	srs_verbose("encode metadata success.");
-	
-	// create a shared ptr message.
-	srs_freep(cache_metadata);
-	cache_metadata = new SrsSharedPtrMessage();
-	
-	// dump message to shared ptr message.
-	if ((ret = cache_metadata->initialize(msg, payload, size)) != ERROR_SUCCESS) {
-		srs_error("initialize the cache metadata failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("initialize shared ptr metadata success.");
-	
-	// copy to all consumer
-	if (true) {
-		std::vector<SrsConsumer*>::iterator it;
-		for (it = consumers.begin(); it != consumers.end(); ++it) {
-			SrsConsumer* consumer = *it;
-			if ((ret = consumer->enqueue(cache_metadata->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
-				srs_error("dispatch the metadata failed. ret=%d", ret);
-				return ret;
-			}
-		}
-		srs_trace("dispatch metadata success.");
-	}
-	
-	// copy to all forwarders
-	if (true) {
-		std::vector<SrsForwarder*>::iterator it;
-		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
-			SrsForwarder* forwarder = *it;
-			if ((ret = forwarder->on_meta_data(cache_metadata->copy())) != ERROR_SUCCESS) {
-				srs_error("forwarder process onMetaData message failed. ret=%d", ret);
-				return ret;
-			}
-		}
-	}
-	
-	return ret;
-}
-
-int SrsSource::on_audio(SrsCommonMessage* audio)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsSharedPtrMessage* msg = new SrsSharedPtrMessage();
-	SrsAutoFree(SrsSharedPtrMessage, msg, false);
-	if ((ret = msg->initialize(audio)) != ERROR_SUCCESS) {
-		srs_error("initialize the audio failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("initialize shared ptr audio success.");
-	
-#ifdef SRS_HLS
-	if ((ret = hls->on_audio(msg->copy())) != ERROR_SUCCESS) {
-		srs_warn("hls process audio message failed, ignore and disable hls. ret=%d", ret);
-		
-		// unpublish, ignore ret.
-		hls->on_unpublish();
-		
-		// ignore.
-		ret = ERROR_SUCCESS;
-	}
-#endif
-	
-	// copy to all consumer
-	if (true) {
-		std::vector<SrsConsumer*>::iterator it;
-		for (it = consumers.begin(); it != consumers.end(); ++it) {
-			SrsConsumer* consumer = *it;
-			if ((ret = consumer->enqueue(msg->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
-				srs_error("dispatch the audio failed. ret=%d", ret);
-				return ret;
-			}
-		}
-		srs_info("dispatch audio success.");
-	}
-
-	// copy to all forwarders.
-	if (true) {
-		std::vector<SrsForwarder*>::iterator it;
-		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
-			SrsForwarder* forwarder = *it;
-			if ((ret = forwarder->on_audio(msg->copy())) != ERROR_SUCCESS) {
-				srs_error("forwarder process audio message failed. ret=%d", ret);
-				return ret;
-			}
-		}
-	}
-
-	// cache the sequence header if h264
-	if (SrsCodec::audio_is_sequence_header(msg->payload, msg->size)) {
-		srs_freep(cache_sh_audio);
-		cache_sh_audio = msg->copy();
-		srs_trace("update audio sequence header success. size=%d", msg->header.payload_length);
-		return ret;
-	}
-	
-	// cache the last gop packets
-	if ((ret = gop_cache->cache(msg)) != ERROR_SUCCESS) {
-		srs_error("shrink gop cache failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("cache gop success.");
-	
-	return ret;
-}
-
-int SrsSource::on_video(SrsCommonMessage* video)
-{
-	int ret = ERROR_SUCCESS;
-	
-	SrsSharedPtrMessage* msg = new SrsSharedPtrMessage();
-	SrsAutoFree(SrsSharedPtrMessage, msg, false);
-	if ((ret = msg->initialize(video)) != ERROR_SUCCESS) {
-		srs_error("initialize the video failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("initialize shared ptr video success.");
-	
-#ifdef SRS_HLS
-	if ((ret = hls->on_video(msg->copy())) != ERROR_SUCCESS) {
-		srs_warn("hls process video message failed, ignore and disable hls. ret=%d", ret);
-		
-		// unpublish, ignore ret.
-		hls->on_unpublish();
-		
-		// ignore.
-		ret = ERROR_SUCCESS;
-	}
-#endif
-	
-	// copy to all consumer
-	if (true) {
-		std::vector<SrsConsumer*>::iterator it;
-		for (it = consumers.begin(); it != consumers.end(); ++it) {
-			SrsConsumer* consumer = *it;
-			if ((ret = consumer->enqueue(msg->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
-				srs_error("dispatch the video failed. ret=%d", ret);
-				return ret;
-			}
-		}
-		srs_info("dispatch video success.");
-	}
-
-	// copy to all forwarders.
-	if (true) {
-		std::vector<SrsForwarder*>::iterator it;
-		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
-			SrsForwarder* forwarder = *it;
-			if ((ret = forwarder->on_video(msg->copy())) != ERROR_SUCCESS) {
-				srs_error("forwarder process video message failed. ret=%d", ret);
-				return ret;
-			}
-		}
-	}
-
-	// cache the sequence header if h264
-	if (SrsCodec::video_is_sequence_header(msg->payload, msg->size)) {
-		srs_freep(cache_sh_video);
-		cache_sh_video = msg->copy();
-		srs_trace("update video sequence header success. size=%d", msg->header.payload_length);
-		return ret;
-	}
-
-	// cache the last gop packets
-	if ((ret = gop_cache->cache(msg)) != ERROR_SUCCESS) {
-		srs_error("shrink gop cache failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("cache gop success.");
-	
-	return ret;
-}
-
-int SrsSource::on_publish(SrsRequest* req)
-{
-	int ret = ERROR_SUCCESS;
-	
-	_can_publish = false;
-
-	// TODO: support reload.
-	
-	// create forwarders
-	SrsConfDirective* conf = config->get_forward(req->vhost);
-	for (int i = 0; conf && i < (int)conf->args.size(); i++) {
-		std::string forward_server = conf->args.at(i);
-		
-		SrsForwarder* forwarder = new SrsForwarder();
-		forwarders.push_back(forwarder);
-		
-		if ((ret = forwarder->on_publish(req, forward_server)) != ERROR_SUCCESS) {
-			srs_error("start forwarder failed. "
-				"vhost=%s, app=%s, stream=%s, forward-to=%s",
-				req->vhost.c_str(), req->app.c_str(), req->stream.c_str(),
-				forward_server.c_str());
-			return ret;
-		}
-	}
-
-#ifdef SRS_FFMPEG
-	if ((ret = encoder->on_publish(req)) != ERROR_SUCCESS) {
-		return ret;
-	}
-#endif
-	
-#ifdef SRS_HLS
-	if ((ret = hls->on_publish(req)) != ERROR_SUCCESS) {
-		return ret;
-	}
-#endif
-
-	return ret;
-}
-
-void SrsSource::on_unpublish()
-{
-	// close all forwarders
-	std::vector<SrsForwarder*>::iterator it;
-	for (it = forwarders.begin(); it != forwarders.end(); ++it) {
-		SrsForwarder* forwarder = *it;
-		forwarder->on_unpublish();
-		srs_freep(forwarder);
-	}
-	forwarders.clear();
-
-#ifdef SRS_FFMPEG
-	encoder->on_unpublish();
-#endif
-
-	// TODO: HLS should continue previous sequence and stream.
-#ifdef SRS_HLS
-	hls->on_unpublish();
-#endif
-
-	gop_cache->clear();
-
-	srs_freep(cache_metadata);
-	frame_rate = sample_rate = 0;
-	
-	srs_freep(cache_sh_video);
-	srs_freep(cache_sh_audio);
-	
-	srs_trace("clear cache/metadata/sequence-headers when unpublish.");
-	
-	_can_publish = true;
-}
-
- int SrsSource::create_consumer(SrsConsumer*& consumer)
-{
-	int ret = ERROR_SUCCESS;
-	
-	consumer = new SrsConsumer(this);
-	consumers.push_back(consumer);
-
-	if (cache_metadata && (ret = consumer->enqueue(cache_metadata->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
-		srs_error("dispatch metadata failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("dispatch metadata success");
-	
-	if (cache_sh_video && (ret = consumer->enqueue(cache_sh_video->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
-		srs_error("dispatch video sequence header failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("dispatch video sequence header success");
-	
-	if (cache_sh_audio && (ret = consumer->enqueue(cache_sh_audio->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
-		srs_error("dispatch audio sequence header failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("dispatch audio sequence header success");
-	
-	if ((ret = gop_cache->dump(consumer, sample_rate, frame_rate)) != ERROR_SUCCESS) {
-		return ret;
-	}
-	
-	return ret;
-}
-
-void SrsSource::on_consumer_destroy(SrsConsumer* consumer)
-{
-	std::vector<SrsConsumer*>::iterator it;
-	it = std::find(consumers.begin(), consumers.end(), consumer);
-	if (it != consumers.end()) {
-		consumers.erase(it);
-	}
-	srs_info("handle consumer destroy success.");
-}
-
-void SrsSource::set_cache(bool enabled)
-{
-	gop_cache->set(enabled);
-}
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_source.hpp>
+
+#include <algorithm>
+
+#include <srs_core_log.hpp>
+#include <srs_core_protocol.hpp>
+#include <srs_core_autofree.hpp>
+#include <srs_core_amf0.hpp>
+#include <srs_core_codec.hpp>
+#include <srs_core_hls.hpp>
+#include <srs_core_forward.hpp>
+#include <srs_core_config.hpp>
+#include <srs_core_encoder.hpp>
+#include <srs_core_rtmp.hpp>
+
+#define CONST_MAX_JITTER_MS 		500
+#define DEFAULT_FRAME_TIME_MS 		10
+#define PAUSED_SHRINK_SIZE			250
+
+SrsRtmpJitter::SrsRtmpJitter()
+{
+	last_pkt_correct_time = last_pkt_time = 0;
+}
+
+SrsRtmpJitter::~SrsRtmpJitter()
+{
+}
+
+int SrsRtmpJitter::correct(SrsSharedPtrMessage* msg, int tba, int tbv, int64_t* corrected_time)
+{
+	int ret = ERROR_SUCCESS;
+	
+	int sample_rate = tba;
+	int frame_rate = tbv;
+	
+	/**
+	* we use a very simple time jitter detect/correct algorithm:
+	* 1. delta: ensure the delta is positive and valid,
+	* 	we set the delta to DEFAULT_FRAME_TIME_MS,
+	* 	if the delta of time is nagative or greater than CONST_MAX_JITTER_MS.
+	* 2. last_pkt_time: specifies the original packet time,
+	* 	is used to detect next jitter.
+	* 3. last_pkt_correct_time: simply add the positive delta, 
+	* 	and enforce the time monotonically.
+	*/
+	u_int32_t time = msg->header.timestamp;
+	int32_t delta = time - last_pkt_time;
+
+	// if jitter detected, reset the delta.
+	if (delta < 0 || delta > CONST_MAX_JITTER_MS) {
+		// calc the right diff by audio sample rate
+		if (msg->header.is_audio() && sample_rate > 0) {
+			delta = (int32_t)(delta * 1000.0 / sample_rate);
+		} else if (msg->header.is_video() && frame_rate > 0) {
+			delta = (int32_t)(delta * 1.0 / frame_rate);
+		} else {
+			delta = DEFAULT_FRAME_TIME_MS;
+		}
+
+		// sometimes, the time is absolute time, so correct it again.
+		if (delta < 0 || delta > CONST_MAX_JITTER_MS) {
+			delta = DEFAULT_FRAME_TIME_MS;
+		}
+		
+		srs_info("jitter detected, last_pts=%d, pts=%d, diff=%d, last_time=%d, time=%d, diff=%d",
+			last_pkt_time, time, time - last_pkt_time, last_pkt_correct_time, last_pkt_correct_time + delta, delta);
+	} else {
+		srs_verbose("timestamp no jitter. time=%d, last_pkt=%d, correct_to=%d", 
+			time, last_pkt_time, last_pkt_correct_time + delta);
+	}
+	
+	last_pkt_correct_time = srs_max(0, last_pkt_correct_time + delta);
+	
+	if (corrected_time) {
+		*corrected_time = last_pkt_correct_time;
+	}
+	msg->header.timestamp = last_pkt_correct_time;
+	
+	last_pkt_time = time;
+	
+	return ret;
+}
+
+int SrsRtmpJitter::get_time()
+{
+	return (int)last_pkt_correct_time;
+}
+
+SrsConsumer::SrsConsumer(SrsSource* _source)
+{
+	source = _source;
+	paused = false;
+	jitter = new SrsRtmpJitter();
+}
+
+SrsConsumer::~SrsConsumer()
+{
+	clear();
+	
+	source->on_consumer_destroy(this);
+	srs_freep(jitter);
+}
+
+int SrsConsumer::get_time()
+{
+	return jitter->get_time();
+}
+
+int SrsConsumer::enqueue(SrsSharedPtrMessage* msg, int tba, int tbv)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = jitter->correct(msg, tba, tbv)) != ERROR_SUCCESS) {
+		srs_freep(msg);
+		return ret;
+	}
+	
+	// TODO: check the queue size and drop packets if overflow.
+	msgs.push_back(msg);
+	
+	return ret;
+}
+
+int SrsConsumer::get_packets(int max_count, SrsSharedPtrMessage**& pmsgs, int& count)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (msgs.empty()) {
+		return ret;
+	}
+
+	if (paused) {
+		if ((int)msgs.size() >= PAUSED_SHRINK_SIZE) {
+			shrink();
+		}
+		return ret;
+	}
+	
+	if (max_count == 0) {
+		count = (int)msgs.size();
+	} else {
+		count = srs_min(max_count, (int)msgs.size());
+	}
+	
+	pmsgs = new SrsSharedPtrMessage*[count];
+	
+	for (int i = 0; i < count; i++) {
+		pmsgs[i] = msgs[i];
+	}
+	
+	if (count == (int)msgs.size()) {
+		msgs.clear();
+	} else {
+		msgs.erase(msgs.begin(), msgs.begin() + count);
+	}
+	
+	return ret;
+}
+
+int SrsConsumer::on_play_client_pause(bool is_pause)
+{
+	int ret = ERROR_SUCCESS;
+	
+	srs_trace("stream consumer change pause state %d=>%d", paused, is_pause);
+	paused = is_pause;
+	
+	return ret;
+}
+
+void SrsConsumer::shrink()
+{
+	int i = 0;
+	std::vector<SrsSharedPtrMessage*>::iterator it;
+	
+	// issue the last video iframe.
+	bool has_video = false;
+	int frame_to_remove = 0;
+	std::vector<SrsSharedPtrMessage*>::iterator iframe = msgs.end();
+	for (i = 0, it = msgs.begin(); it != msgs.end(); ++it, i++) {
+		SrsSharedPtrMessage* msg = *it;
+		if (msg->header.is_video()) {
+			has_video = true;
+			if (SrsCodec::video_is_keyframe(msg->payload, msg->size)) {
+				iframe = it;
+				frame_to_remove = i + 1;
+			}
+		}
+	}
+	
+	// last iframe is the first elem, ignore it.
+	if (iframe == msgs.begin()) {
+		return;
+	}
+	
+	// recalc the frame to remove
+	if (iframe == msgs.end()) {
+		frame_to_remove = 0;
+	}
+	if (!has_video) {
+		frame_to_remove = (int)msgs.size();
+	}
+	
+	srs_trace("shrink the cache queue, has_video=%d, has_iframe=%d, size=%d, removed=%d", 
+		has_video, iframe != msgs.end(), (int)msgs.size(), frame_to_remove);
+	
+	// if no video, remove all audio.
+	if (!has_video) {
+		clear();
+		return;
+	}
+	
+	// if exists video Iframe, remove the frames before it.
+	if (iframe != msgs.end()) {
+		for (it = msgs.begin(); it != iframe; ++it) {
+			SrsSharedPtrMessage* msg = *it;
+			srs_freep(msg);
+		}
+		msgs.erase(msgs.begin(), iframe);
+	}
+}
+
+void SrsConsumer::clear()
+{
+	std::vector<SrsSharedPtrMessage*>::iterator it;
+	for (it = msgs.begin(); it != msgs.end(); ++it) {
+		SrsSharedPtrMessage* msg = *it;
+		srs_freep(msg);
+	}
+	msgs.clear();
+}
+
+SrsGopCache::SrsGopCache()
+{
+	cached_video_count = 0;
+	enable_gop_cache = true;
+}
+
+SrsGopCache::~SrsGopCache()
+{
+	clear();
+}
+
+void SrsGopCache::set(bool enabled)
+{
+	enable_gop_cache = enabled;
+	
+	if (!enabled) {
+		srs_info("disable gop cache, clear %d packets.", (int)gop_cache.size());
+		clear();
+		return;
+	}
+	
+	srs_info("enable gop cache");
+}
+
+int SrsGopCache::cache(SrsSharedPtrMessage* msg)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (!enable_gop_cache) {
+		srs_verbose("gop cache is disabled.");
+		return ret;
+	}
+	
+	// got video, update the video count if acceptable
+	if (msg->header.is_video()) {
+		cached_video_count++;
+	}
+	
+	// no acceptable video or pure audio, disable the cache.
+	if (cached_video_count == 0) {
+		srs_verbose("ignore any frame util got a h264 video frame.");
+		return ret;
+	}
+	
+	// clear gop cache when got key frame
+	if (msg->header.is_video() && SrsCodec::video_is_keyframe(msg->payload, msg->size)) {
+		srs_info("clear gop cache when got keyframe. vcount=%d, count=%d",
+			cached_video_count, (int)gop_cache.size());
+			
+		clear();
+		
+		// curent msg is video frame, so we set to 1.
+		cached_video_count = 1;
+	}
+	
+	// cache the frame.
+	gop_cache.push_back(msg->copy());
+	
+	return ret;
+}
+
+void SrsGopCache::clear()
+{
+	std::vector<SrsSharedPtrMessage*>::iterator it;
+	for (it = gop_cache.begin(); it != gop_cache.end(); ++it) {
+		SrsSharedPtrMessage* msg = *it;
+		srs_freep(msg);
+	}
+	gop_cache.clear();
+
+	cached_video_count = 0;
+}
+	
+int SrsGopCache::dump(SrsConsumer* consumer, int tba, int tbv)
+{
+	int ret = ERROR_SUCCESS;
+	
+	std::vector<SrsSharedPtrMessage*>::iterator it;
+	for (it = gop_cache.begin(); it != gop_cache.end(); ++it) {
+		SrsSharedPtrMessage* msg = *it;
+		if ((ret = consumer->enqueue(msg->copy(), tba, tbv)) != ERROR_SUCCESS) {
+			srs_error("dispatch cached gop failed. ret=%d", ret);
+			return ret;
+		}
+	}
+	srs_trace("dispatch cached gop success. count=%d, duration=%d", (int)gop_cache.size(), consumer->get_time());
+	
+	return ret;
+}
+
+std::map<std::string, SrsSource*> SrsSource::pool;
+
+SrsSource* SrsSource::find(std::string stream_url)
+{
+	if (pool.find(stream_url) == pool.end()) {
+		pool[stream_url] = new SrsSource(stream_url);
+		srs_verbose("create new source for url=%s", stream_url.c_str());
+	}
+	
+	return pool[stream_url];
+}
+
+SrsSource::SrsSource(std::string _stream_url)
+{
+	stream_url = _stream_url;
+	
+#ifdef SRS_HLS
+	hls = new SrsHls();
+#endif
+#ifdef SRS_FFMPEG
+	encoder = new SrsEncoder();
+#endif
+	
+	cache_metadata = cache_sh_video = cache_sh_audio = NULL;
+	
+	frame_rate = sample_rate = 0;
+	_can_publish = true;
+	
+	gop_cache = new SrsGopCache();
+}
+
+SrsSource::~SrsSource()
+{
+	if (true) {
+		std::vector<SrsConsumer*>::iterator it;
+		for (it = consumers.begin(); it != consumers.end(); ++it) {
+			SrsConsumer* consumer = *it;
+			srs_freep(consumer);
+		}
+		consumers.clear();
+	}
+
+	if (true) {
+		std::vector<SrsForwarder*>::iterator it;
+		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
+			SrsForwarder* forwarder = *it;
+			srs_freep(forwarder);
+		}
+		forwarders.clear();
+	}
+	
+	srs_freep(cache_metadata);
+	srs_freep(cache_sh_video);
+	srs_freep(cache_sh_audio);
+	
+	srs_freep(gop_cache);
+	
+#ifdef SRS_HLS
+	srs_freep(hls);
+#endif
+#ifdef SRS_FFMPEG
+	srs_freep(encoder);
+#endif
+}
+
+bool SrsSource::can_publish()
+{
+	return _can_publish;
+}
+
+int SrsSource::on_meta_data(SrsCommonMessage* msg, SrsOnMetaDataPacket* metadata)
+{
+	int ret = ERROR_SUCCESS;
+	
+#ifdef SRS_HLS
+	if ((ret = hls->on_meta_data(metadata)) != ERROR_SUCCESS) {
+		srs_error("hls process onMetaData message failed. ret=%d", ret);
+		return ret;
+	}
+#endif
+	
+	metadata->metadata->set("server", new SrsAmf0String(
+		RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
+	metadata->metadata->set("contributor", 
+		new SrsAmf0String(RTMP_SIG_SRS_CONTRIBUTOR));
+	
+	SrsAmf0Any* prop = NULL;
+	if ((prop = metadata->metadata->get_property("audiosamplerate")) != NULL) {
+		if (prop->is_number()) {
+			sample_rate = (int)(srs_amf0_convert<SrsAmf0Number>(prop)->value);
+		}
+	}
+	if ((prop = metadata->metadata->get_property("framerate")) != NULL) {
+		if (prop->is_number()) {
+			frame_rate = (int)(srs_amf0_convert<SrsAmf0Number>(prop)->value);
+		}
+	}
+	
+	// encode the metadata to payload
+	int size = metadata->get_payload_length();
+	if (size <= 0) {
+		srs_warn("ignore the invalid metadata. size=%d", size);
+		return ret;
+	}
+	srs_verbose("get metadata size success.");
+	
+	char* payload = new char[size];
+	memset(payload, 0, size);
+	if ((ret = metadata->encode(size, payload)) != ERROR_SUCCESS) {
+		srs_error("encode metadata error. ret=%d", ret);
+		srs_freepa(payload);
+		return ret;
+	}
+	srs_verbose("encode metadata success.");
+	
+	// create a shared ptr message.
+	srs_freep(cache_metadata);
+	cache_metadata = new SrsSharedPtrMessage();
+	
+	// dump message to shared ptr message.
+	if ((ret = cache_metadata->initialize(msg, payload, size)) != ERROR_SUCCESS) {
+		srs_error("initialize the cache metadata failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("initialize shared ptr metadata success.");
+	
+	// copy to all consumer
+	if (true) {
+		std::vector<SrsConsumer*>::iterator it;
+		for (it = consumers.begin(); it != consumers.end(); ++it) {
+			SrsConsumer* consumer = *it;
+			if ((ret = consumer->enqueue(cache_metadata->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
+				srs_error("dispatch the metadata failed. ret=%d", ret);
+				return ret;
+			}
+		}
+		srs_trace("dispatch metadata success.");
+	}
+	
+	// copy to all forwarders
+	if (true) {
+		std::vector<SrsForwarder*>::iterator it;
+		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
+			SrsForwarder* forwarder = *it;
+			if ((ret = forwarder->on_meta_data(cache_metadata->copy())) != ERROR_SUCCESS) {
+				srs_error("forwarder process onMetaData message failed. ret=%d", ret);
+				return ret;
+			}
+		}
+	}
+	
+	return ret;
+}
+
+int SrsSource::on_audio(SrsCommonMessage* audio)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsSharedPtrMessage* msg = new SrsSharedPtrMessage();
+	SrsAutoFree(SrsSharedPtrMessage, msg, false);
+	if ((ret = msg->initialize(audio)) != ERROR_SUCCESS) {
+		srs_error("initialize the audio failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("initialize shared ptr audio success.");
+	
+#ifdef SRS_HLS
+	if ((ret = hls->on_audio(msg->copy())) != ERROR_SUCCESS) {
+		srs_warn("hls process audio message failed, ignore and disable hls. ret=%d", ret);
+		
+		// unpublish, ignore ret.
+		hls->on_unpublish();
+		
+		// ignore.
+		ret = ERROR_SUCCESS;
+	}
+#endif
+	
+	// copy to all consumer
+	if (true) {
+		std::vector<SrsConsumer*>::iterator it;
+		for (it = consumers.begin(); it != consumers.end(); ++it) {
+			SrsConsumer* consumer = *it;
+			if ((ret = consumer->enqueue(msg->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
+				srs_error("dispatch the audio failed. ret=%d", ret);
+				return ret;
+			}
+		}
+		srs_info("dispatch audio success.");
+	}
+
+	// copy to all forwarders.
+	if (true) {
+		std::vector<SrsForwarder*>::iterator it;
+		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
+			SrsForwarder* forwarder = *it;
+			if ((ret = forwarder->on_audio(msg->copy())) != ERROR_SUCCESS) {
+				srs_error("forwarder process audio message failed. ret=%d", ret);
+				return ret;
+			}
+		}
+	}
+
+	// cache the sequence header if h264
+	if (SrsCodec::audio_is_sequence_header(msg->payload, msg->size)) {
+		srs_freep(cache_sh_audio);
+		cache_sh_audio = msg->copy();
+		srs_trace("update audio sequence header success. size=%d", msg->header.payload_length);
+		return ret;
+	}
+	
+	// cache the last gop packets
+	if ((ret = gop_cache->cache(msg)) != ERROR_SUCCESS) {
+		srs_error("shrink gop cache failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("cache gop success.");
+	
+	return ret;
+}
+
+int SrsSource::on_video(SrsCommonMessage* video)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsSharedPtrMessage* msg = new SrsSharedPtrMessage();
+	SrsAutoFree(SrsSharedPtrMessage, msg, false);
+	if ((ret = msg->initialize(video)) != ERROR_SUCCESS) {
+		srs_error("initialize the video failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("initialize shared ptr video success.");
+	
+#ifdef SRS_HLS
+	if ((ret = hls->on_video(msg->copy())) != ERROR_SUCCESS) {
+		srs_warn("hls process video message failed, ignore and disable hls. ret=%d", ret);
+		
+		// unpublish, ignore ret.
+		hls->on_unpublish();
+		
+		// ignore.
+		ret = ERROR_SUCCESS;
+	}
+#endif
+	
+	// copy to all consumer
+	if (true) {
+		std::vector<SrsConsumer*>::iterator it;
+		for (it = consumers.begin(); it != consumers.end(); ++it) {
+			SrsConsumer* consumer = *it;
+			if ((ret = consumer->enqueue(msg->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
+				srs_error("dispatch the video failed. ret=%d", ret);
+				return ret;
+			}
+		}
+		srs_info("dispatch video success.");
+	}
+
+	// copy to all forwarders.
+	if (true) {
+		std::vector<SrsForwarder*>::iterator it;
+		for (it = forwarders.begin(); it != forwarders.end(); ++it) {
+			SrsForwarder* forwarder = *it;
+			if ((ret = forwarder->on_video(msg->copy())) != ERROR_SUCCESS) {
+				srs_error("forwarder process video message failed. ret=%d", ret);
+				return ret;
+			}
+		}
+	}
+
+	// cache the sequence header if h264
+	if (SrsCodec::video_is_sequence_header(msg->payload, msg->size)) {
+		srs_freep(cache_sh_video);
+		cache_sh_video = msg->copy();
+		srs_trace("update video sequence header success. size=%d", msg->header.payload_length);
+		return ret;
+	}
+
+	// cache the last gop packets
+	if ((ret = gop_cache->cache(msg)) != ERROR_SUCCESS) {
+		srs_error("shrink gop cache failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("cache gop success.");
+	
+	return ret;
+}
+
+int SrsSource::on_publish(SrsRequest* req)
+{
+	int ret = ERROR_SUCCESS;
+	
+	_can_publish = false;
+
+	// TODO: support reload.
+	
+	// create forwarders
+	SrsConfDirective* conf = config->get_forward(req->vhost);
+	for (int i = 0; conf && i < (int)conf->args.size(); i++) {
+		std::string forward_server = conf->args.at(i);
+		
+		SrsForwarder* forwarder = new SrsForwarder();
+		forwarders.push_back(forwarder);
+		
+		if ((ret = forwarder->on_publish(req, forward_server)) != ERROR_SUCCESS) {
+			srs_error("start forwarder failed. "
+				"vhost=%s, app=%s, stream=%s, forward-to=%s",
+				req->vhost.c_str(), req->app.c_str(), req->stream.c_str(),
+				forward_server.c_str());
+			return ret;
+		}
+	}
+
+#ifdef SRS_FFMPEG
+	if ((ret = encoder->on_publish(req)) != ERROR_SUCCESS) {
+		return ret;
+	}
+#endif
+	
+#ifdef SRS_HLS
+	if ((ret = hls->on_publish(req)) != ERROR_SUCCESS) {
+		return ret;
+	}
+#endif
+
+	return ret;
+}
+
+void SrsSource::on_unpublish()
+{
+	// close all forwarders
+	std::vector<SrsForwarder*>::iterator it;
+	for (it = forwarders.begin(); it != forwarders.end(); ++it) {
+		SrsForwarder* forwarder = *it;
+		forwarder->on_unpublish();
+		srs_freep(forwarder);
+	}
+	forwarders.clear();
+
+#ifdef SRS_FFMPEG
+	encoder->on_unpublish();
+#endif
+
+	// TODO: HLS should continue previous sequence and stream.
+#ifdef SRS_HLS
+	hls->on_unpublish();
+#endif
+
+	gop_cache->clear();
+
+	srs_freep(cache_metadata);
+	frame_rate = sample_rate = 0;
+	
+	srs_freep(cache_sh_video);
+	srs_freep(cache_sh_audio);
+	
+	srs_trace("clear cache/metadata/sequence-headers when unpublish.");
+	
+	_can_publish = true;
+}
+
+ int SrsSource::create_consumer(SrsConsumer*& consumer)
+{
+	int ret = ERROR_SUCCESS;
+	
+	consumer = new SrsConsumer(this);
+	consumers.push_back(consumer);
+
+	if (cache_metadata && (ret = consumer->enqueue(cache_metadata->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
+		srs_error("dispatch metadata failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("dispatch metadata success");
+	
+	if (cache_sh_video && (ret = consumer->enqueue(cache_sh_video->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
+		srs_error("dispatch video sequence header failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("dispatch video sequence header success");
+	
+	if (cache_sh_audio && (ret = consumer->enqueue(cache_sh_audio->copy(), sample_rate, frame_rate)) != ERROR_SUCCESS) {
+		srs_error("dispatch audio sequence header failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("dispatch audio sequence header success");
+	
+	if ((ret = gop_cache->dump(consumer, sample_rate, frame_rate)) != ERROR_SUCCESS) {
+		return ret;
+	}
+	
+	return ret;
+}
+
+void SrsSource::on_consumer_destroy(SrsConsumer* consumer)
+{
+	std::vector<SrsConsumer*>::iterator it;
+	it = std::find(consumers.begin(), consumers.end(), consumer);
+	if (it != consumers.end()) {
+		consumers.erase(it);
+	}
+	srs_info("handle consumer destroy success.");
+}
+
+void SrsSource::set_cache(bool enabled)
+{
+	gop_cache->set(enabled);
+}
+

+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_thread.hpp>
+
+#include <srs_core_error.hpp>
+#include <srs_core_log.hpp>
+
+ISrsThreadHandler::ISrsThreadHandler()
+{
+}
+
+ISrsThreadHandler::~ISrsThreadHandler()
+{
+}
+
+void ISrsThreadHandler::on_enter_loop()
+{
+}
+
+int ISrsThreadHandler::on_before_cycle()
+{
+	int ret = ERROR_SUCCESS;
+	return ret;
+}
+
+int ISrsThreadHandler::on_end_cycle()
+{
+	int ret = ERROR_SUCCESS;
+	return ret;
+}
+
+void ISrsThreadHandler::on_leave_loop()
+{
+}
+
+SrsThread::SrsThread(ISrsThreadHandler* thread_handler, int64_t interval_ms)
+{
+	handler = thread_handler;
+	cycle_interval_milliseconds = interval_ms;
+	
+	tid = NULL;
+	loop = false;
+}
+
+SrsThread::~SrsThread()
+{
+	stop();
+}
+
+int SrsThread::start()
+{
+	int ret = ERROR_SUCCESS;
+	
+    if(tid) {
+        srs_info("thread already running.");
+        return ret;
+    }
+    
+    if((tid = st_thread_create(thread_fun, this, 1, 0)) == NULL){
+		ret = ERROR_ST_CREATE_CYCLE_THREAD;
+        srs_error("st_thread_create failed. ret=%d", ret);
+        return ret;
+    }
+    
+    return ret;
+}
+
+void SrsThread::stop()
+{
+	if (tid) {
+		loop = false;
+		
+		// the interrupt will cause the socket to read/write error,
+		// which will terminate the cycle thread.
+		st_thread_interrupt(tid);
+		
+		// wait the thread to exit.
+		st_thread_join(tid, NULL);
+		
+		tid = NULL;
+	}
+}
+
+void SrsThread::thread_cycle()
+{
+	int ret = ERROR_SUCCESS;
+	
+	srs_assert(handler);
+	
+	log_context->generate_id();
+	srs_trace("thread cycle start");
+
+	handler->on_end_cycle();
+	
+	loop = true;
+	while (loop) {
+		if ((ret = handler->on_before_cycle()) != ERROR_SUCCESS) {
+			srs_warn("thread on before cycle failed, ignored and retry, ret=%d", ret);
+			goto failed;
+		}
+		srs_info("thread on before cycle success");
+		
+		if ((ret = handler->cycle()) != ERROR_SUCCESS) {
+			srs_warn("thread cycle failed, ignored and retry, ret=%d", ret);
+			goto failed;
+		}
+		srs_info("thread cycle success");
+		
+		if ((ret = handler->on_end_cycle()) != ERROR_SUCCESS) {
+			srs_warn("thread on end cycle failed, ignored and retry, ret=%d", ret);
+			goto failed;
+		}
+		srs_info("thread on end cycle success");
+
+failed:
+		if (!loop) {
+			break;
+		}
+		
+		st_usleep(cycle_interval_milliseconds * 1000);
+	}
+	
+	handler->on_leave_loop();
+	srs_trace("thread cycle finished");
+}
+
+void* SrsThread::thread_fun(void* arg)
+{
+	SrsThread* obj = (SrsThread*)arg;
+	srs_assert(obj);
+	
+	obj->thread_cycle();
+	
+	return NULL;
+}
\ No newline at end of file

+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_THREAD_HPP
+#define SRS_CORE_THREAD_HPP
+
+/*
+#include <srs_core_thread.hpp>
+*/
+#include <srs_core.hpp>
+
+/**
+* the handler for the thread, callback interface.
+* the thread model defines as:
+* 	handler->on_enter_loop()
+* 	while loop:
+*		handler->on_before_cycle()
+*		handler->cycle()
+*		handler->on_end_cycle()
+*		if !loop then break for user stop thread.
+*		sleep(CycleIntervalMilliseconds)
+* 	handler->on_leave_loop()
+* when stop, the thread will interrupt the st_thread,
+* which will cause the socket to return error and 
+* terminate the cycle thread.
+*/
+class ISrsThreadHandler
+{
+public:
+	ISrsThreadHandler();
+	virtual ~ISrsThreadHandler();
+public:
+	virtual void on_enter_loop();
+	virtual int on_before_cycle();
+	virtual int cycle() = 0;
+	virtual int on_end_cycle();
+	virtual void on_leave_loop();
+};
+
+/**
+* provides servies from st_thread_t,
+* for common thread usage.
+*/
+class SrsThread
+{
+private:
+	st_thread_t tid;
+	bool loop;
+private:
+	ISrsThreadHandler* handler;
+	int64_t cycle_interval_milliseconds;
+public:
+	/**
+	* initialize the thread.
+	* @param thread_handler, the cycle handler for the thread.
+	* @param interval_ms, the sleep interval when cycle finished.
+	*/
+	SrsThread(ISrsThreadHandler* thread_handler, int64_t interval_ms);
+	virtual ~SrsThread();
+public:
+	/**
+	* start the thread, invoke the cycle of handler util
+	* user stop the thread.
+	* @remark ignore any error of cycle of handler.
+	* @remark user can start multiple times, ignore if already started.
+	*/
+	virtual int start();
+	/**
+	* stop the thread, wait for the thread to terminate.
+	* @remark user can stop multiple times, ignore if already stopped.
+	*/
+	virtual void stop();
+private:
+	virtual void thread_cycle();
+	static void* thread_fun(void* arg);
+};
+
+#endif

 file
-	main readonly separator,
-	..\main\srs_main_server.cpp,
-	auto readonly separator,
-	..\..\objs\srs_auto_headers.hpp,
-	core readonly separator,
-	..\core\srs_core.hpp,
-	..\core\srs_core.cpp,
-	..\core\srs_core_error.hpp,
-	..\core\srs_core_error.cpp,
-	..\core\srs_core_autofree.hpp,
-	..\core\srs_core_autofree.cpp,
-	..\core\srs_core_server.hpp,
-	..\core\srs_core_server.cpp,
-	..\core\srs_core_reload.hpp,
-	..\core\srs_core_reload.cpp,
-	..\core\srs_core_config.hpp,
-	..\core\srs_core_config.cpp,
-	..\core\srs_core_refer.hpp,
-	..\core\srs_core_refer.cpp,
-	..\core\srs_core_conn.hpp,
-	..\core\srs_core_conn.cpp,
-	..\core\srs_core_client.hpp,
-	..\core\srs_core_client.cpp,
-        ..\core\srs_core_http.hpp,
-        ..\core\srs_core_http.cpp,
-	..\core\srs_core_source.hpp,
-	..\core\srs_core_source.cpp,
-	..\core\srs_core_forward.hpp,
-	..\core\srs_core_forward.cpp,
-	..\core\srs_core_encoder.hpp,
-	..\core\srs_core_encoder.cpp,
-	..\core\srs_core_hls.hpp,
-	..\core\srs_core_hls.cpp,
-	..\core\srs_core_codec.hpp,
-	..\core\srs_core_codec.cpp,
-	..\core\srs_core_rtmp.hpp,
-	..\core\srs_core_rtmp.cpp,
-	..\core\srs_core_handshake.hpp,
-	..\core\srs_core_handshake.cpp,
-	..\core\srs_core_protocol.hpp,
-	..\core\srs_core_protocol.cpp,
-	..\core\srs_core_amf0.hpp,
-	..\core\srs_core_amf0.cpp,
-	..\core\srs_core_stream.hpp,
-	..\core\srs_core_stream.cpp,
-	..\core\srs_core_socket.hpp,
-	..\core\srs_core_socket.cpp,
-	..\core\srs_core_buffer.hpp,
-	..\core\srs_core_buffer.cpp,
-	..\core\srs_core_pithy_print.hpp,
-	..\core\srs_core_pithy_print.cpp,
-	..\core\srs_core_log.hpp,
-	..\core\srs_core_log.cpp,
-	research readonly separator,
-	..\..\research\ts_info.cc;
+    main readonly separator,
+    ..\main\srs_main_server.cpp,
+    auto readonly separator,
+    ..\..\objs\srs_auto_headers.hpp,
+    core readonly separator,
+    ..\core\srs_core.hpp,
+    ..\core\srs_core.cpp,
+    ..\core\srs_core_amf0.hpp,
+    ..\core\srs_core_amf0.cpp,
+    ..\core\srs_core_autofree.hpp,
+    ..\core\srs_core_autofree.cpp,
+    ..\core\srs_core_buffer.hpp,
+    ..\core\srs_core_buffer.cpp,
+    ..\core\srs_core_client.hpp,
+    ..\core\srs_core_client.cpp,
+    ..\core\srs_core_codec.hpp,
+    ..\core\srs_core_codec.cpp,
+    ..\core\srs_core_config.hpp,
+    ..\core\srs_core_config.cpp,
+    ..\core\srs_core_conn.hpp,
+    ..\core\srs_core_conn.cpp,
+    ..\core\srs_core_encoder.hpp,
+    ..\core\srs_core_encoder.cpp,
+    ..\core\srs_core_error.hpp,
+    ..\core\srs_core_error.cpp,
+    ..\core\srs_core_forward.hpp,
+    ..\core\srs_core_forward.cpp,
+    ..\core\srs_core_handshake.hpp,
+    ..\core\srs_core_handshake.cpp,
+    ..\core\srs_core_hls.hpp,
+    ..\core\srs_core_hls.cpp,
+    ..\core\srs_core_http.hpp,
+    ..\core\srs_core_http.cpp,
+    ..\core\srs_core_log.hpp,
+    ..\core\srs_core_log.cpp,
+    ..\core\srs_core_pithy_print.hpp,
+    ..\core\srs_core_pithy_print.cpp,
+    ..\core\srs_core_protocol.hpp,
+    ..\core\srs_core_protocol.cpp,
+    ..\core\srs_core_refer.hpp,
+    ..\core\srs_core_refer.cpp,
+    ..\core\srs_core_reload.hpp,
+    ..\core\srs_core_reload.cpp,
+    ..\core\srs_core_rtmp.hpp,
+    ..\core\srs_core_rtmp.cpp,
+    ..\core\srs_core_thread.hpp,
+    ..\core\srs_core_thread.cpp,
+    ..\core\srs_core_server.hpp,
+    ..\core\srs_core_server.cpp,
+    ..\core\srs_core_stream.hpp,
+    ..\core\srs_core_stream.cpp,
+    ..\core\srs_core_socket.hpp,
+    ..\core\srs_core_socket.cpp,
+    ..\core\srs_core_source.hpp,
+    ..\core\srs_core_source.cpp,
+    research readonly separator,
+    ..\..\research\ts_info.cc;
 
 mainconfig
-	"" = "MAIN";
+    "" = "MAIN";