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.

4 files changed, 23 insertions, 14 deletions

diff --git a/gst/udp/gstmultiudpsink.c b/gst/udp/gstmultiudpsink.c
index d43f1ff9..95d15ab3 100644
--- a/gst/udp/gstmultiudpsink.c
+++ b/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. */
diff --git a/gst/udp/gstudpnetutils.c b/gst/udp/gstudpnetutils.c
index b3fa8870..07c80448 100644
--- a/gst/udp/gstudpnetutils.c
+++ b/gst/udp/gstudpnetutils.c
@@ -60,6 +60,23 @@ 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)
 {
   struct addrinfo hints, *res, *nres;
diff --git a/gst/udp/gstudpnetutils.h b/gst/udp/gstudpnetutils.h
index 6c3f740f..3e5b297a 100644
--- a/gst/udp/gstudpnetutils.h
+++ b/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);
 
diff --git a/gst/udp/gstudpsrc.c b/gst/udp/gstudpsrc.c
index 1139995f..b16a0521 100644
--- a/gst/udp/gstudpsrc.c
+++ b/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 */
-    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;
-    }
+    len = gst_udp_get_sockaddr_length (&src->myaddr);
     if ((ret = bind (src->sock.fd, (struct sockaddr *) &src->myaddr, len)) < 0)
       goto bind_error;