add todo for memory increase when forwarder server failed.

-/*
-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;
-	
-	msgs.push_back(msg);
-	
-	return ret;
-}
-
-int SrsForwarder::on_video(SrsSharedPtrMessage* msg)
-{
-	int ret = ERROR_SUCCESS;
-	
-	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;
-	}
-	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;
+	
+	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;
+	
+	msgs.push_back(ms
+	// TODO: FIXME: must drop the msgs when server failed.g);
+	
+	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;
+	}
+	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;
+}
+