gst/udp/: Fix multiudpsink on OSX by passing the specific length of the socket, refactor that into a function shared ...

Original commit message from CVS:
* gst/udp/gstmultiudpsink.c:
* gst/udp/gstudpnetutils.c:
* gst/udp/gstudpnetutils.h:
* gst/udp/gstudpsrc.c:
Fix multiudpsink on OSX by passing the specific length of the socket,
refactor that into a function shared with the same thing in udpsrc.

ChangeLog

@@ -1,3 +1,12 @@
+2008-11-20  Michael Smith <msmith@songbirdnest.com>
+
+	* gst/udp/gstmultiudpsink.c:
+	* gst/udp/gstudpnetutils.c:
+	* gst/udp/gstudpnetutils.h:
+	* gst/udp/gstudpsrc.c:
+	  Fix multiudpsink on OSX by passing the specific length of the socket,
+	  refactor that into a function shared with the same thing in udpsrc.
+
 2008-11-20  Wim Taymans  <wim.taymans@collabora.co.uk>
 
 	* gst/wavparse/gstwavparse.c: (uint64_ceiling_scale_int),

common

@@ -1 +1 @@
-Subproject commit edfb4b44ea433b0b83b8a2f27a6e0bcbccdc3f2f
+Subproject commit e4b2fe44724e1c1a6e816ae4fbbae43d7f68f1ef

gst/udp/gstmultiudpsink.c

@@ -374,6 +374,7 @@ gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
   gint ret, size, num = 0;
   guint8 *data;
   GList *clients;
+  gint len;
 
   sink = GST_MULTIUDPSINK (bsink);
 
@@ -395,12 +396,13 @@ gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
     GST_LOG_OBJECT (sink, "sending %d bytes to client %p", size, client);
 
     while (TRUE) {
+      len = gst_udp_get_sockaddr_length (&client->theiraddr);
 #ifdef G_OS_WIN32
       ret = sendto (*client->sock, (char *) data, size, 0,
 #else
       ret = sendto (*client->sock, data, size, 0,
 #endif
-          (struct sockaddr *) &client->theiraddr, sizeof (client->theiraddr));
+          (struct sockaddr *) &client->theiraddr, len);
       if (ret < 0) {
         /* we get a non-posix EPERM on Linux when a firewall rule blocks this
          * destination. We will simply ignore this. */

gst/udp/gstudpnetutils.c

@@ -59,6 +59,23 @@ gst_udp_net_utils_win32_wsa_startup (GstObject * obj)
 
 #endif
 
+int
+gst_udp_get_sockaddr_length (struct sockaddr_storage *addr)
+{
+  /* MacOS is picky about passing precisely the correct length,
+   * so we calculate it here for the given socket type.
+   */
+  switch (addr->ss_family) {
+    case AF_INET:
+      return sizeof (struct sockaddr_in);
+    case AF_INET6:
+      return sizeof (struct sockaddr_in6);
+    default:
+      /* don't know, Screw MacOS and use the full length */
+      return sizeof (*addr);
+  }
+}
+
 int
 gst_udp_get_addr (const char *hostname, int port, struct sockaddr_storage *addr)
 {

gst/udp/gstudpnetutils.h

@@ -74,6 +74,8 @@ gboolean gst_udp_net_utils_win32_wsa_startup (GstObject * obj);
 
 #endif
 
+int gst_udp_get_sockaddr_length(struct sockaddr_storage *addr);
+
 int gst_udp_get_addr      (const char *hostname, int port, struct sockaddr_storage *addr);
 int gst_udp_is_multicast  (struct sockaddr_storage *addr);
 

gst/udp/gstudpsrc.c

@@ -777,19 +777,7 @@ gst_udpsrc_start (GstBaseSrc * bsrc)
 
     GST_DEBUG_OBJECT (src, "binding on port %d", src->port);
 
-    /* Mac OS is picky about the size for the bind so we switch on the family */
+    len = gst_udp_get_sockaddr_length (&src->myaddr);
-    switch (src->myaddr.ss_family) {
-      case AF_INET:
-        len = sizeof (struct sockaddr_in);
-        break;
-      case AF_INET6:
-        len = sizeof (struct sockaddr_in6);
-        break;
-      default:
-        /* don't know, Screw MacOS and use the full length */
-        len = sizeof (src->myaddr);
-        break;
-    }
     if ((ret = bind (src->sock.fd, (struct sockaddr *) &src->myaddr, len)) < 0)
       goto bind_error;