gst_plugins_base/gst/tcp/gsttcpserversink.c
branchRCL_3
changeset 30 7e817e7e631c
parent 29 567bb019e3e3
--- a/gst_plugins_base/gst/tcp/gsttcpserversink.c	Tue Aug 31 15:30:33 2010 +0300
+++ b/gst_plugins_base/gst/tcp/gsttcpserversink.c	Wed Sep 01 12:16:41 2010 +0100
@@ -19,24 +19,20 @@
  */
 
 /**
- * SECTION:element-tcpserversink
+ * SECTION:tcpserversink
+ * @short_description: a sink that acts as a TCP server and sends data to
+ *  multiple clients
  * @see_also: #multifdsink
- *
- * <refsect2>
- * <title>Example launch line</title>
- * |[
- * # server:
- * gst-launch fdsrc fd=1 ! tcpserversink protocol=none port=3000
- * # client:
- * gst-launch tcpclientsrc protocol=none port=3000 ! fdsink fd=2
- * ]| 
- * </refsect2>
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
+#ifdef __SYMBIAN32__
+#include "gst/gst-i18n-plugin.h"
+#else
 #include <gst/gst-i18n-plugin.h>
+#endif
 #include <string.h>             /* memset */
 
 #include <sys/ioctl.h>
@@ -109,11 +105,10 @@
 
   g_object_class_install_property (gobject_class, ARG_HOST,
       g_param_spec_string ("host", "host", "The host/IP to send the packets to",
-          TCP_DEFAULT_HOST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+          TCP_DEFAULT_HOST, G_PARAM_READWRITE));
   g_object_class_install_property (gobject_class, ARG_PORT,
       g_param_spec_int ("port", "port", "The port to send the packets to",
-          0, TCP_HIGHEST_PORT, TCP_DEFAULT_PORT,
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+          0, TCP_HIGHEST_PORT, TCP_DEFAULT_PORT, G_PARAM_READWRITE));
 
   gstmultifdsink_class->init = gst_tcp_server_sink_init_send;
   gstmultifdsink_class->wait = gst_tcp_server_sink_handle_wait;
@@ -163,8 +158,12 @@
   client_sock_fd =
       accept (sink->server_sock.fd, (struct sockaddr *) &client_address,
       &client_address_len);
-  if (client_sock_fd == -1)
-    goto accept_failed;
+  if (client_sock_fd == -1) {
+    GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL),
+        ("Could not accept client on server socket %d: %s (%d)",
+            sink->server_sock.fd, g_strerror (errno), errno));
+    return FALSE;
+  }
 
   gst_multi_fd_sink_add (GST_MULTI_FD_SINK (sink), client_sock_fd);
 
@@ -172,15 +171,6 @@
       inet_ntoa (client_address.sin_addr), client_sock_fd);
 
   return TRUE;
-
-  /* ERRORS */
-accept_failed:
-  {
-    GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL),
-        ("Could not accept client on server socket %d: %s (%d)",
-            sink->server_sock.fd, g_strerror (errno), errno));
-    return FALSE;
-  }
 }
 
 static void
@@ -204,18 +194,13 @@
 
   if (gst_poll_fd_can_read (set, &this->server_sock)) {
     /* handle new client connection on server socket */
-    if (!gst_tcp_server_sink_handle_server_read (this))
-      goto connection_failed;
+    if (!gst_tcp_server_sink_handle_server_read (this)) {
+      GST_ELEMENT_ERROR (this, RESOURCE, READ, (NULL),
+          ("client connection failed: %s", g_strerror (errno)));
+      return FALSE;
+    }
   }
   return TRUE;
-
-  /* ERRORS */
-connection_failed:
-  {
-    GST_ELEMENT_ERROR (this, RESOURCE, READ, (NULL),
-        ("client connection failed: %s", g_strerror (errno)));
-    return FALSE;
-  }
 }
 
 static void
@@ -278,23 +263,31 @@
   GstTCPServerSink *this = GST_TCP_SERVER_SINK (parent);
 
   /* create sending server socket */
-  if ((this->server_sock.fd = socket (AF_INET, SOCK_STREAM, 0)) == -1)
-    goto no_socket;
-
+  if ((this->server_sock.fd = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
+    GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE, (NULL), GST_ERROR_SYSTEM);
+    return FALSE;
+  }
   GST_DEBUG_OBJECT (this, "opened sending server socket with fd %d",
       this->server_sock.fd);
 
   /* make address reusable */
   ret = 1;
   if (setsockopt (this->server_sock.fd, SOL_SOCKET, SO_REUSEADDR,
-          (void *) &ret, sizeof (ret)) < 0)
-    goto reuse_failed;
-
+          (void *) &ret, sizeof (ret)) < 0) {
+    gst_tcp_socket_close (&this->server_sock);
+    GST_ELEMENT_ERROR (this, RESOURCE, SETTINGS, (NULL),
+        ("Could not setsockopt: %s", g_strerror (errno)));
+    return FALSE;
+  }
   /* keep connection alive; avoids SIGPIPE during write */
   ret = 1;
   if (setsockopt (this->server_sock.fd, SOL_SOCKET, SO_KEEPALIVE,
-          (void *) &ret, sizeof (ret)) < 0)
-    goto keepalive_failed;
+          (void *) &ret, sizeof (ret)) < 0) {
+    gst_tcp_socket_close (&this->server_sock);
+    GST_ELEMENT_ERROR (this, RESOURCE, SETTINGS, (NULL),
+        ("Could not setsockopt: %s", g_strerror (errno)));
+    return FALSE;
+  }
 
   /* name the socket */
   memset (&this->server_sin, 0, sizeof (this->server_sin));
@@ -306,17 +299,30 @@
   GST_DEBUG_OBJECT (this, "binding server socket to address");
   ret = bind (this->server_sock.fd, (struct sockaddr *) &this->server_sin,
       sizeof (this->server_sin));
-  if (ret)
-    goto bind_failed;
+
+  if (ret) {
+    gst_tcp_socket_close (&this->server_sock);
+    switch (errno) {
+      default:
+        GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
+            ("bind on port %d failed: %s", this->server_port,
+                g_strerror (errno)));
+        return FALSE;
+        break;
+    }
+  }
 
   /* set the server socket to nonblocking */
   fcntl (this->server_sock.fd, F_SETFL, O_NONBLOCK);
 
   GST_DEBUG_OBJECT (this, "listening on server socket %d with queue of %d",
       this->server_sock.fd, TCP_BACKLOG);
-  if (listen (this->server_sock.fd, TCP_BACKLOG) == -1)
-    goto listen_failed;
-
+  if (listen (this->server_sock.fd, TCP_BACKLOG) == -1) {
+    gst_tcp_socket_close (&this->server_sock);
+    GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
+        ("Could not listen on server socket: %s", g_strerror (errno)));
+    return FALSE;
+  }
   GST_DEBUG_OBJECT (this,
       "listened on server socket %d, returning from connection setup",
       this->server_sock.fd);
@@ -325,46 +331,6 @@
   gst_poll_fd_ctl_read (parent->fdset, &this->server_sock, TRUE);
 
   return TRUE;
-
-  /* ERRORS */
-no_socket:
-  {
-    GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE, (NULL), GST_ERROR_SYSTEM);
-    return FALSE;
-  }
-reuse_failed:
-  {
-    gst_tcp_socket_close (&this->server_sock);
-    GST_ELEMENT_ERROR (this, RESOURCE, SETTINGS, (NULL),
-        ("Could not setsockopt: %s", g_strerror (errno)));
-    return FALSE;
-  }
-keepalive_failed:
-  {
-    gst_tcp_socket_close (&this->server_sock);
-    GST_ELEMENT_ERROR (this, RESOURCE, SETTINGS, (NULL),
-        ("Could not setsockopt: %s", g_strerror (errno)));
-    return FALSE;
-  }
-listen_failed:
-  {
-    gst_tcp_socket_close (&this->server_sock);
-    GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
-        ("Could not listen on server socket: %s", g_strerror (errno)));
-    return FALSE;
-  }
-bind_failed:
-  {
-    gst_tcp_socket_close (&this->server_sock);
-    switch (errno) {
-      default:
-        GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
-            ("bind on port %d failed: %s", this->server_port,
-                g_strerror (errno)));
-        break;
-    }
-    return FALSE;
-  }
 }
 
 static gboolean