add socket rtmp and buffer. rename logs

@@ -84,7 +84,7 @@ MODULE_DEPENDS=()
 ModuleLibIncs=(${LibSTRoot})
 MODULE_FILES=("srs_core" "srs_core_log" "srs_core_server" 
         "srs_core_error" "srs_core_conn" "srs_core_client" 
-        "srs_core_rtmp")
+        "srs_core_rtmp" "srs_core_socket" "srs_core_buffer")
 MODULE_DIR="src/core" . auto/modules.sh
 CORE_OBJS="${MODULE_OBJS[@]}"
 

+/*
+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_buffer.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.
+*/
+
+#ifndef SRS_CORE_BUFFER_HPP
+#define SRS_CORE_BUFFER_HPP
+
+/*
+#include <srs_core_buffer.hpp>
+*/
+
+#include <srs_core.hpp>
+
+#endif
\ No newline at end of file

@@ -54,8 +54,16 @@ int SrsClient::do_cycle()
 	int ret = ERROR_SUCCESS;
 	
 	if ((ret = get_peer_ip()) != ERROR_SUCCESS) {
+		srs_error("get peer ip failed. ret=%d", ret);
 		return ret;
 	}
+	srs_verbose("get peer ip success. ip=%s", ip);
+	
+	if ((ret = rtmp->handshake()) != ERROR_SUCCESS) {
+		srs_error("rtmp handshake failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("rtmp handshake success");
 	
 	return ret;
 }
@@ -71,10 +79,10 @@ int SrsClient::get_peer_ip()
     socklen_t addrlen = sizeof(addr);
     if (getpeername(fd, (sockaddr*)&addr, &addrlen) == -1) {
         ret = ERROR_SOCKET_GET_PEER_NAME;
-        SrsError("discovery client information failed. ret=%d", ret);
+        srs_error("discovery client information failed. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("get peer name success.");
+    srs_verbose("get peer name success.");
 
     // ip v4 or v6
     char buf[INET6_ADDRSTRLEN];
@@ -82,15 +90,15 @@ int SrsClient::get_peer_ip()
     
     if ((inet_ntop(addr.sin_family, &addr.sin_addr, buf, sizeof(buf))) == NULL) {
         ret = ERROR_SOCKET_GET_PEER_IP;
-        SrsError("convert client information failed. ret=%d", ret);
+        srs_error("convert client information failed. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("get peer ip of client ip=%s, fd=%d", buf, fd);
+    srs_verbose("get peer ip of client ip=%s, fd=%d", buf, fd);
     
     ip = new char[strlen(buf) + 1];
     strcpy(ip, buf);
     
-    SrsInfo("get peer ip success. ip=%s, fd=%d", ip, fd);
+    srs_info("get peer ip success. ip=%s, fd=%d", ip, fd);
     
     return ret;
 }

@@ -47,10 +47,10 @@ int SrsConnection::start()
     
     if (st_thread_create(cycle_thread, this, 0, 0) == NULL) {
         ret = ERROR_ST_CREATE_CYCLE_THREAD;
-        SrsError("st_thread_create conn cycle thread error. ret=%d", ret);
+        srs_error("st_thread_create conn cycle thread error. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("create st conn cycle thread success.");
+    srs_verbose("create st conn cycle thread success.");
 	
 	return ret;
 }
@@ -59,16 +59,17 @@ void SrsConnection::cycle()
 {
 	int ret = ERROR_SUCCESS;
 	
+	log_context->generate_id();
 	ret = do_cycle();
     
 	// success.
 	if (ret == ERROR_SUCCESS) {
-		SrsTrace("client process normally finished. ret=%d", ret);
+		srs_trace("client process normally finished. ret=%d", ret);
 	}
 	
 	// client close peer.
 	if (ret == ERROR_SOCKET_CLOSED) {
-		SrsTrace("client disconnect peer. ret=%d", ret);
+		srs_trace("client disconnect peer. ret=%d", ret);
 	}
 	
 	server->remove(this);

@@ -45,5 +45,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_SOCKET_CLOSED 			204
 #define ERROR_SOCKET_GET_PEER_NAME		205
 #define ERROR_SOCKET_GET_PEER_IP		206
+#define ERROR_SOCKET_READ				207
+#define ERROR_SOCKET_READ_FULLY			208
+#define ERROR_SOCKET_WRITE				209
 
 #endif
\ No newline at end of file

@@ -52,7 +52,7 @@ private:
 	    DateTime();
 	    virtual ~DateTime();
 	public:
-	    virtual const char* FormatTime();
+	    virtual const char* format_time();
 	};
 private:
     DateTime time;
@@ -61,10 +61,10 @@ public:
     LogContext();
     virtual ~LogContext();
 public:
-    virtual void SetId();
-    virtual int GetId();
+    virtual void generate_id();
+    virtual int get_id();
 public:
-    virtual const char* FormatTime();
+    virtual const char* format_time();
 };
 
 ILogContext* log_context = new LogContext();
@@ -78,7 +78,7 @@ LogContext::DateTime::~DateTime()
 {
 }
 
-const char* LogContext::DateTime::FormatTime()
+const char* LogContext::DateTime::format_time()
 {
     // clock time
     timeval tv;
@@ -108,19 +108,19 @@ LogContext::~LogContext()
 {
 }
 
-void LogContext::SetId()
+void LogContext::generate_id()
 {
 	static int id = 1;
     cache[st_thread_self()] = id++;
 }
 
-int LogContext::GetId()
+int LogContext::get_id()
 {
     return cache[st_thread_self()];
 }
 
-const char* LogContext::FormatTime()
+const char* LogContext::format_time()
 {
-    return time.FormatTime();
+    return time.format_time();
 }
 

@@ -42,27 +42,27 @@ public:
     ILogContext();
     virtual ~ILogContext();
 public:
-    virtual void SetId() = 0;
-    virtual int GetId() = 0;
+    virtual void generate_id() = 0;
+    virtual int get_id() = 0;
 public:
-    virtual const char* FormatTime() = 0;
+    virtual const char* format_time() = 0;
 };
 
 // user must implements the LogContext and define a global instance.
 extern ILogContext* log_context;
 
 #if 0
-    #define SrsVerbose(msg, ...) printf("[%s][%d][verbs] ", log_context->FormatTime(), log_context->GetId());printf(msg, ##__VA_ARGS__);printf("\n")
-    #define SrsInfo(msg, ...)    printf("[%s][%d][infos] ", log_context->FormatTime(), log_context->GetId());printf(msg, ##__VA_ARGS__);printf("\n")
-    #define SrsTrace(msg, ...)   printf("[%s][%d][trace] ", log_context->FormatTime(), log_context->GetId());printf(msg, ##__VA_ARGS__);printf("\n")
-    #define SrsWarn(msg, ...)    printf("[%s][%d][warns] ", log_context->FormatTime(), log_context->GetId());printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
-    #define SrsError(msg, ...)   printf("[%s][%d][error] ", log_context->FormatTime(), log_context->GetId());printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
+    #define srs_verbose(msg, ...) printf("[%s][%d][verbs] ", log_context->format_time(), log_context->get_id());printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_info(msg, ...)    printf("[%s][%d][infos] ", log_context->format_time(), log_context->get_id());printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_trace(msg, ...)   printf("[%s][%d][trace] ", log_context->format_time(), log_context->get_id());printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_warn(msg, ...)    printf("[%s][%d][warns] ", log_context->format_time(), log_context->get_id());printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
+    #define srs_error(msg, ...)   printf("[%s][%d][error] ", log_context->format_time(), log_context->get_id());printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
 #else
-    #define SrsVerbose(msg, ...) printf("[%s][%d][verbs][%s] ", log_context->FormatTime(), log_context->GetId(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf("\n")
-    #define SrsInfo(msg, ...)    printf("[%s][%d][infos][%s] ", log_context->FormatTime(), log_context->GetId(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf("\n")
-    #define SrsTrace(msg, ...)   printf("[%s][%d][trace][%s] ", log_context->FormatTime(), log_context->GetId(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf("\n")
-    #define SrsWarn(msg, ...)    printf("[%s][%d][warns][%s] ", log_context->FormatTime(), log_context->GetId(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
-    #define SrsError(msg, ...)   printf("[%s][%d][error][%s] ", log_context->FormatTime(), log_context->GetId(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
+    #define srs_verbose(msg, ...) printf("[%s][%d][verbs][%s] ", log_context->format_time(), log_context->get_id(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_info(msg, ...)    printf("[%s][%d][infos][%s] ", log_context->format_time(), log_context->get_id(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_trace(msg, ...)   printf("[%s][%d][trace][%s] ", log_context->format_time(), log_context->get_id(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf("\n")
+    #define srs_warn(msg, ...)    printf("[%s][%d][warns][%s] ", log_context->format_time(), log_context->get_id(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
+    #define srs_error(msg, ...)   printf("[%s][%d][error][%s] ", log_context->format_time(), log_context->get_id(), __FUNCTION__);printf(msg, ##__VA_ARGS__);printf(" errno=%d(%s)", errno, strerror(errno));printf("\n")
 #endif
 
 #endif

@@ -23,6 +23,11 @@ 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_buffer.hpp>
+
 SrsRtmp::SrsRtmp(st_netfd_t client_stfd)
 {
 	stfd = client_stfd;
@@ -31,3 +36,23 @@ SrsRtmp::SrsRtmp(st_netfd_t client_stfd)
 SrsRtmp::~SrsRtmp()
 {
 }
+
+int SrsRtmp::handshake()
+{
+	int ret = ERROR_SUCCESS;
+	
+    ssize_t nsize;
+    Socket skt(stfd);
+    
+    char buf[1537];
+    buf[0] = 0x03; // plain text.
+    
+    char* c0c1 = buf;
+    if ((ret = skt.read_fully(c0c1, 1537, &nsize)) != ERROR_SUCCESS) {
+        srs_error("read c0c1 failed. ret=%d", ret);
+        return ret;
+    }
+    
+	return ret;
+}
+

@@ -39,6 +39,8 @@ private:
 public:
 	SrsRtmp(st_netfd_t client_stfd);
 	virtual ~SrsRtmp();
+public:
+	virtual int handshake();
 };
 
 #endif
\ No newline at end of file

@@ -57,21 +57,21 @@ int SrsServer::initialize()
     // use linux epoll.
     if (st_set_eventsys(ST_EVENTSYS_ALT) == -1) {
         ret = ERROR_ST_SET_EPOLL;
-        SrsError("st_set_eventsys use linux epoll failed. ret=%d", ret);
+        srs_error("st_set_eventsys use linux epoll failed. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("st_set_eventsys use linux epoll success");
+    srs_verbose("st_set_eventsys use linux epoll success");
     
     if(st_init() != 0){
         ret = ERROR_ST_INITIALIZE;
-        SrsError("st_init failed. ret=%d", ret);
+        srs_error("st_init failed. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("st_init success");
+    srs_verbose("st_init success");
 	
 	// set current log id.
-	log_context->SetId();
-	SrsInfo("log set id success");
+	log_context->generate_id();
+	srs_info("log set id success");
 	
 	return ret;
 }
@@ -82,18 +82,18 @@ int SrsServer::listen(int port)
 	
 	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
         ret = ERROR_SOCKET_CREATE;
-        SrsError("create linux socket error. ret=%d", ret);
+        srs_error("create linux socket error. ret=%d", ret);
         return ret;
 	}
-	SrsVerbose("create linux socket success. fd=%d", fd);
+	srs_verbose("create linux socket success. fd=%d", fd);
     
     int reuse_socket = 1;
     if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse_socket, sizeof(int)) == -1) {
         ret = ERROR_SOCKET_SETREUSE;
-        SrsError("setsockopt reuse-addr error. ret=%d", ret);
+        srs_error("setsockopt reuse-addr error. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("setsockopt reuse-addr success. fd=%d", fd);
+    srs_verbose("setsockopt reuse-addr success. fd=%d", fd);
     
     sockaddr_in addr;
     addr.sin_family = AF_INET;
@@ -101,33 +101,33 @@ int SrsServer::listen(int port)
     addr.sin_addr.s_addr = INADDR_ANY;
     if (bind(fd, (const sockaddr*)&addr, sizeof(sockaddr_in)) == -1) {
         ret = ERROR_SOCKET_BIND;
-        SrsError("bind socket error. ret=%d", ret);
+        srs_error("bind socket error. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("bind socket success. fd=%d", fd);
+    srs_verbose("bind socket success. fd=%d", fd);
     
     if (::listen(fd, SERVER_LISTEN_BACKLOG) == -1) {
         ret = ERROR_SOCKET_LISTEN;
-        SrsError("listen socket error. ret=%d", ret);
+        srs_error("listen socket error. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("listen socket success. fd=%d", fd);
+    srs_verbose("listen socket success. fd=%d", fd);
     
     if ((stfd = st_netfd_open_socket(fd)) == NULL){
         ret = ERROR_ST_OPEN_SOCKET;
-        SrsError("st_netfd_open_socket open socket failed. ret=%d", ret);
+        srs_error("st_netfd_open_socket open socket failed. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("st open socket success. fd=%d", fd);
+    srs_verbose("st open socket success. fd=%d", fd);
     
     if (st_thread_create(listen_thread, this, 0, 0) == NULL) {
         ret = ERROR_ST_CREATE_LISTEN_THREAD;
-        SrsError("st_thread_create listen thread error. ret=%d", ret);
+        srs_error("st_thread_create listen thread error. ret=%d", ret);
         return ret;
     }
-    SrsVerbose("create st listen thread success.");
+    srs_verbose("create st listen thread success.");
     
-    SrsTrace("server started, listen at port=%d, fd=%d", port, fd);
+    srs_trace("server started, listen at port=%d, fd=%d", port, fd);
 	
 	return ret;
 }
@@ -148,7 +148,7 @@ void SrsServer::remove(SrsConnection* conn)
 		conns.erase(it);
 	}
 	
-	SrsInfo("conn removed. conns=%d", (int)conns.size());
+	srs_info("conn removed. conns=%d", (int)conns.size());
 	
 	// all connections are created by server,
 	// so we delete it here.
@@ -163,13 +163,13 @@ int SrsServer::accept_client(st_netfd_t client_stfd)
 	
 	// directly enqueue, the cycle thread will remove the client.
 	conns.push_back(conn);
-	SrsVerbose("add conn to vector. conns=%d", (int)conns.size());
+	srs_verbose("add conn to vector. conns=%d", (int)conns.size());
 	
 	// cycle will start process thread and when finished remove the client.
 	if ((ret = conn->start()) != ERROR_SUCCESS) {
 		return ret;
 	}
-	SrsVerbose("conn start finished. ret=%d", ret);
+	srs_verbose("conn start finished. ret=%d", ret);
     
 	return ret;
 }
@@ -178,22 +178,25 @@ void SrsServer::listen_cycle()
 {
 	int ret = ERROR_SUCCESS;
 	
+	log_context->generate_id();
+	srs_trace("listen cycle start.");
+	
 	while (true) {
 	    st_netfd_t client_stfd = st_accept(stfd, NULL, NULL, ST_UTIME_NO_TIMEOUT);
 	    
 	    if(client_stfd == NULL){
 	        // ignore error.
-	        SrsWarn("ignore accept thread stoppped for accept client error");
+	        srs_warn("ignore accept thread stoppped for accept client error");
 	        continue;
 	    }
-	    SrsVerbose("get a client. fd=%d", st_netfd_fileno(client_stfd));
+	    srs_verbose("get a client. fd=%d", st_netfd_fileno(client_stfd));
     	
     	if ((ret = accept_client(client_stfd)) != ERROR_SUCCESS) {
-    		SrsWarn("accept client error. ret=%d", ret);
+    		srs_warn("accept client error. ret=%d", ret);
 			continue;
     	}
     	
-    	SrsVerbose("accept client finished. conns=%d, ret=%d", (int)conns.size(), ret);
+    	srs_verbose("accept client finished. conns=%d, ret=%d", (int)conns.size(), 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_socket.hpp>
+
+#include <srs_core_error.hpp>
+
+Socket::Socket(st_netfd_t client_stfd)
+{
+    stfd = client_stfd;
+}
+
+Socket::~Socket()
+{
+}
+
+int Socket::read(const void* buf, size_t size, ssize_t* nread)
+{
+    int ret = ERROR_SUCCESS;
+    
+    *nread = st_read(stfd, (void*)buf, size, ST_UTIME_NO_TIMEOUT);
+    
+    // On success a non-negative integer indicating the number of bytes actually read is returned 
+    // (a value of 0 means the network connection is closed or end of file is reached).
+    if (*nread <= 0) {
+        if (*nread == 0) {
+            errno = ECONNRESET;
+        }
+        
+        ret = ERROR_SOCKET_READ;
+    }
+        
+    return ret;
+}
+
+int Socket::read_fully(const void* buf, size_t size, ssize_t* nread)
+{
+    int ret = ERROR_SUCCESS;
+    
+    *nread = st_read_fully(stfd, (void*)buf, size, ST_UTIME_NO_TIMEOUT);
+    
+    // On success a non-negative integer indicating the number of bytes actually read is returned 
+    // (a value less than nbyte means the network connection is closed or end of file is reached)
+    if (*nread != (ssize_t)size) {
+        if (*nread >= 0) {
+            errno = ECONNRESET;
+        }
+        
+        ret = ERROR_SOCKET_READ_FULLY;
+    }
+    
+    return ret;
+}
+
+int Socket::write(const void* buf, size_t size, ssize_t* nwrite)
+{
+    int ret = ERROR_SUCCESS;
+    
+    *nwrite = st_write(stfd, (void*)buf, size, ST_UTIME_NO_TIMEOUT);
+    
+    if (*nwrite <= 0) {
+        ret = ERROR_SOCKET_WRITE;
+    }
+        
+    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.
+*/
+
+#ifndef SRS_CORE_SOCKET_HPP
+#define SRS_CORE_SOCKET_HPP
+
+/*
+#include <srs_core_socket.hpp>
+*/
+
+#include <srs_core.hpp>
+
+#include <st.h>
+
+// the socket base on st.
+class Socket
+{
+private:
+    st_netfd_t stfd;
+public:
+    Socket(st_netfd_t client_stfd);
+    virtual ~Socket();
+public:
+    virtual int read(const void* buf, size_t size, ssize_t* nread);
+    virtual int read_fully(const void* buf, size_t size, ssize_t* nread);
+    virtual int write(const void* buf, size_t size, ssize_t* nwrite);
+};
+
+#endif
\ No newline at end of file

@@ -14,6 +14,10 @@ file
     ..\core\srs_core_client.cpp,
     ..\core\srs_core_rtmp.hpp,
     ..\core\srs_core_rtmp.cpp,
+    ..\core\srs_core_socket.hpp,
+    ..\core\srs_core_socket.cpp,
+    ..\core\srs_core_buffer.hpp,
+    ..\core\srs_core_buffer.cpp,
     ..\core\srs_core_log.hpp,
     ..\core\srs_core_log.cpp;
 mainconfig