diff --git a/trunk/configure b/trunk/configure
index 9bd61ef95..18ffd732c 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -189,7 +189,7 @@ APP_OBJS="${MODULE_OBJS[@]}"
 MODULE_ID="LIBS" 
 MODULE_DEPENDS=("CORE" "KERNEL" "RTMP") 
 ModuleLibIncs=(${SRS_OBJS})
-MODULE_FILES=("srs_librtmp")
+MODULE_FILES=("srs_librtmp" "srs_lib_simple_socket")
 MODULE_DIR="src/libs" . auto/modules.sh
 LIBS_OBJS="${MODULE_OBJS[@]}"
 #
diff --git a/trunk/src/libs/srs_lib_simple_socket.cpp b/trunk/src/libs/srs_lib_simple_socket.cpp
new file mode 100644
index 000000000..9a0f03d05
--- /dev/null
+++ b/trunk/src/libs/srs_lib_simple_socket.cpp
@@ -0,0 +1,31 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 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_lib_simple_socket.hpp>
+
+SimpleSocketStream::SimpleSocketStream(int fd) {
+}
+
+SimpleSocketStream::~SimpleSocketStream() {
+}
+
diff --git a/trunk/src/libs/srs_lib_simple_socket.hpp b/trunk/src/libs/srs_lib_simple_socket.hpp
new file mode 100644
index 000000000..4da261ae0
--- /dev/null
+++ b/trunk/src/libs/srs_lib_simple_socket.hpp
@@ -0,0 +1,42 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 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_LIB_SIMPLE_SOCKET_HPP
+#define SRS_LIB_SIMPLE_SOCKET_HPP
+
+/*
+#include <srs_lib_simple_socket.hpp>
+*/
+    
+/**
+* the stream over epoll: never wait for data coming, that is async mode.
+*/
+class SimpleSocketStream
+{
+public:
+    SimpleSocketStream(int fd);
+    virtual ~SimpleSocketStream();
+public:
+};
+
+#endif
diff --git a/trunk/src/libs/srs_librtmp.cpp b/trunk/src/libs/srs_librtmp.cpp
index 4231ec79d..e72e8779d 100644
--- a/trunk/src/libs/srs_librtmp.cpp
+++ b/trunk/src/libs/srs_librtmp.cpp
@@ -30,23 +30,7 @@ using namespace std;
 
 #include <srs_kernel_error.hpp>
 #include <srs_protocol_rtmp.hpp>
-    
-/**
-* the stream over epoll: never wait for data coming, that is async mode.
-*/
-class SimpleSocketStream
-{
-private:
-    int sock;
-public:
-    SimpleSocketStream(int fd){
-        sock = fd;
-    }
-    virtual ~SimpleSocketStream() {
-        ::close(sock);
-    }
-public:
-};
+#include <srs_lib_simple_socket.hpp>
 
 /**
 * export runtime context.
diff --git a/trunk/src/srs/srs.upp b/trunk/src/srs/srs.upp
index 0ef3fced5..38465c180 100644
--- a/trunk/src/srs/srs.upp
+++ b/trunk/src/srs/srs.upp
@@ -7,6 +7,8 @@ file
     libs readonly separator,
     ..\libs\srs_librtmp.hpp,
     ..\libs\srs_librtmp.cpp,
+    ..\libs\srs_lib_simple_socket.hpp,
+    ..\libs\srs_lib_simple_socket.cpp,
     core readonly separator,
     ..\core\srs_core.hpp,
     ..\core\srs_core.cpp,