refine code for reload http api/stream

@@ -48,14 +48,14 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define SERVER_LISTEN_BACKLOG 512
 #define SRS_TIME_RESOLUTION_MS 500
 
-SrsListener::SrsListener(SrsServer* _server, SrsListenerType _type)
+SrsListener::SrsListener(SrsServer* server, SrsListenerType type)
 {
     fd = -1;
     stfd = NULL;
     
-    port = 0;
-    server = _server;
-    type = _type;
+    _port = 0;
+    _server = server;
+    _type = type;
 
     pthread = new SrsThread(this, 0);
 }
@@ -72,11 +72,16 @@ SrsListener::~SrsListener()
     close(fd);
 }
 
-int SrsListener::listen(int _port)
+SrsListenerType SrsListener::type()
+{
+    return _type;
+}
+
+int SrsListener::listen(int port)
 {
     int ret = ERROR_SUCCESS;
     
-    port = _port;
+    _port = port;
     
     if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
         ret = ERROR_SOCKET_CREATE;
@@ -95,7 +100,7 @@ int SrsListener::listen(int _port)
     
     sockaddr_in addr;
     addr.sin_family = AF_INET;
-    addr.sin_port = htons(port);
+    addr.sin_port = htons(_port);
     addr.sin_addr.s_addr = INADDR_ANY;
     if (bind(fd, (const sockaddr*)&addr, sizeof(sockaddr_in)) == -1) {
         ret = ERROR_SOCKET_BIND;
@@ -124,14 +129,14 @@ int SrsListener::listen(int _port)
     }
     srs_verbose("create st listen thread success.");
     
-    srs_trace("server started, listen at port=%d, type=%d, fd=%d", port, type, fd);
+    srs_trace("server started, listen at port=%d, type=%d, fd=%d", _port, _type, fd);
     
     return ret;
 }
 
 void SrsListener::on_thread_start()
 {
-    srs_trace("listen cycle start, port=%d, type=%d, fd=%d", port, type, fd);
+    srs_trace("listen cycle start, port=%d, type=%d, fd=%d", _port, _type, fd);
 }
 
 int SrsListener::cycle()
@@ -147,7 +152,7 @@ int SrsListener::cycle()
     }
     srs_verbose("get a client. fd=%d", st_netfd_fileno(client_stfd));
     
-    if ((ret = server->accept_client(type, client_stfd)) != ERROR_SUCCESS) {
+    if ((ret = _server->accept_client(_type, client_stfd)) != ERROR_SUCCESS) {
         srs_warn("accept client error. ret=%d", ret);
         return ret;
     }
@@ -188,7 +193,9 @@ SrsServer::~SrsServer()
         conns.clear();
     }
     
-    close_listeners();
+    close_listeners(SrsListenerRtmpStream);
+    close_listeners(SrsListenerHttpApi);
+    close_listeners(SrsListenerHttpStream);
     
     if (pid_fd > 0) {
         ::close(pid_fd);
@@ -351,50 +358,17 @@ int SrsServer::listen()
 {
     int ret = ERROR_SUCCESS;
     
-    SrsConfDirective* conf = NULL;
-    
-    // stream service port.
-    conf = _srs_config->get_listen();
-    srs_assert(conf);
-    
-    close_listeners();
-    
-    for (int i = 0; i < (int)conf->args.size(); i++) {
-        SrsListener* listener = new SrsListener(this, SrsListenerRtmpStream);
-        listeners.push_back(listener);
-        
-        int port = ::atoi(conf->args.at(i).c_str());
-        if ((ret = listener->listen(port)) != ERROR_SUCCESS) {
-            srs_error("RTMP stream listen at port %d failed. ret=%d", port, ret);
-            return ret;
-        }
+    if ((ret = listen_rtmp()) != ERROR_SUCCESS) {
+        return ret;
     }
-
-#ifdef SRS_HTTP_API
-    if (_srs_config->get_http_api_enabled()) {
-        SrsListener* listener = new SrsListener(this, SrsListenerHttpApi);
-        listeners.push_back(listener);
-        
-        int port = _srs_config->get_http_api_listen();
-        if ((ret = listener->listen(port)) != ERROR_SUCCESS) {
-            srs_error("HTTP api listen at port %d failed. ret=%d", port, ret);
-            return ret;
-        }
+    
+    if ((ret = listen_http_api()) != ERROR_SUCCESS) {
+        return ret;
     }
-#endif
     
-#ifdef SRS_HTTP_SERVER
-    if (_srs_config->get_http_stream_enabled()) {
-        SrsListener* listener = new SrsListener(this, SrsListenerHttpStream);
-        listeners.push_back(listener);
-        
-        int port = _srs_config->get_http_stream_listen();
-        if ((ret = listener->listen(port)) != ERROR_SUCCESS) {
-            srs_error("HTTP stream listen at port %d failed. ret=%d", port, ret);
-            return ret;
-        }
+    if ((ret = listen_http_stream()) != ERROR_SUCCESS) {
+        return ret;
     }
-#endif
     
     return ret;
 }
@@ -492,14 +466,86 @@ void SrsServer::on_signal(int signo)
     }
 }
 
-void SrsServer::close_listeners()
+int SrsServer::listen_rtmp()
+{
+    int ret = ERROR_SUCCESS;
+    
+    // stream service port.
+    SrsConfDirective* conf = _srs_config->get_listen();
+    srs_assert(conf);
+    
+    close_listeners(SrsListenerRtmpStream);
+    
+    for (int i = 0; i < (int)conf->args.size(); i++) {
+        SrsListener* listener = new SrsListener(this, SrsListenerRtmpStream);
+        listeners.push_back(listener);
+        
+        int port = ::atoi(conf->args.at(i).c_str());
+        if ((ret = listener->listen(port)) != ERROR_SUCCESS) {
+            srs_error("RTMP stream listen at port %d failed. ret=%d", port, ret);
+            return ret;
+        }
+    }
+    
+    return ret;
+}
+
+int SrsServer::listen_http_api()
+{
+    int ret = ERROR_SUCCESS;
+    
+#ifdef SRS_HTTP_API
+    close_listeners(SrsListenerHttpApi);
+    if (_srs_config->get_http_api_enabled()) {
+        SrsListener* listener = new SrsListener(this, SrsListenerHttpApi);
+        listeners.push_back(listener);
+        
+        int port = _srs_config->get_http_api_listen();
+        if ((ret = listener->listen(port)) != ERROR_SUCCESS) {
+            srs_error("HTTP api listen at port %d failed. ret=%d", port, ret);
+            return ret;
+        }
+    }
+#endif
+    
+    return ret;
+}
+
+int SrsServer::listen_http_stream()
+{
+    int ret = ERROR_SUCCESS;
+    
+#ifdef SRS_HTTP_SERVER
+    close_listeners(SrsListenerHttpStream);
+    if (_srs_config->get_http_stream_enabled()) {
+        SrsListener* listener = new SrsListener(this, SrsListenerHttpStream);
+        listeners.push_back(listener);
+        
+        int port = _srs_config->get_http_stream_listen();
+        if ((ret = listener->listen(port)) != ERROR_SUCCESS) {
+            srs_error("HTTP stream listen at port %d failed. ret=%d", port, ret);
+            return ret;
+        }
+    }
+#endif
+    
+    return ret;
+}
+
+void SrsServer::close_listeners(SrsListenerType type)
 {
     std::vector<SrsListener*>::iterator it;
-    for (it = listeners.begin(); it != listeners.end(); ++it) {
+    for (it = listeners.begin(); it != listeners.end();) {
         SrsListener* listener = *it;
+        
+        if (listener->type() != type) {
+            ++it;
+            continue;
+        }
+        
         srs_freep(listener);
+        it = listeners.erase(it);
     }
-    listeners.clear();
 }
 
 int SrsServer::accept_client(SrsListenerType type, st_netfd_t client_stfd)

@@ -56,17 +56,18 @@ enum SrsListenerType
 class SrsListener : public ISrsThreadHandler
 {
 public:
-    SrsListenerType type;
+    SrsListenerType _type;
 private:
     int fd;
     st_netfd_t stfd;
-    int port;
-    SrsServer* server;
+    int _port;
+    SrsServer* _server;
     SrsThread* pthread;
 public:
-    SrsListener(SrsServer* _server, SrsListenerType _type);
+    SrsListener(SrsServer* _server, SrsListenerType type);
     virtual ~SrsListener();
 public:
+    virtual SrsListenerType type();
     virtual int listen(int port);
 // interface ISrsThreadHandler.
 public:
@@ -106,7 +107,10 @@ public:
     virtual void remove(SrsConnection* conn);
     virtual void on_signal(int signo);
 private:
-    virtual void close_listeners();
+    virtual int listen_rtmp();
+    virtual int listen_http_api();
+    virtual int listen_http_stream();
+    virtual void close_listeners(SrsListenerType type);
     virtual int accept_client(SrsListenerType type, st_netfd_t client_stfd);
 // interface ISrsThreadHandler.
 public: