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udpsrc: Refactor address resolval into its own function

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This commit is contained in:
Sebastian Dröge 2013-09-02 16:02:37 +02:00
parent 966f848edb
commit edf6d28765
1 changed files with 45 additions and 31 deletions
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76
gst/udp/gstudpsrc.c
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@ -769,6 +769,48 @@ gst_udpsrc_get_property (GObject * object, guint prop_id, GValue * value,
}
}
static GInetAddress *
gst_udpsrc_resolve (GstUDPSrc * src, const gchar * address)
{
GInetAddress *addr;
GError *err = NULL;
GResolver *resolver;
addr = g_inet_address_new_from_string (address);
if (!addr) {
GList *results;
GST_DEBUG_OBJECT (src, "resolving IP address for host %s", address);
resolver = g_resolver_get_default ();
results =
g_resolver_lookup_by_name (resolver, address, src->cancellable, &err);
if (!results)
goto name_resolve;
addr = G_INET_ADDRESS (g_object_ref (results->data));
g_resolver_free_addresses (results);
g_object_unref (resolver);
}
#ifndef GST_DISABLE_GST_DEBUG
{
gchar *ip = g_inet_address_to_string (addr);
GST_DEBUG_OBJECT (src, "IP address for host %s is %s", address, ip);
g_free (ip);
}
#endif
return addr;
name_resolve:
{
GST_WARNING_OBJECT (src, "Failed to resolve %s: %s", address, err->message);
g_clear_error (&err);
g_object_unref (resolver);
return NULL;
}
}
/* create a socket for sending to remote machine */
static gboolean
gst_udpsrc_start (GstBaseSrc * bsrc)
@ -776,7 +818,6 @@ gst_udpsrc_start (GstBaseSrc * bsrc)
GstUDPSrc *src;
GInetAddress *addr, *bind_addr;
GSocketAddress *bind_saddr;
GResolver *resolver;
GError *err = NULL;
src = GST_UDPSRC (bsrc);
@ -786,32 +827,9 @@ gst_udpsrc_start (GstBaseSrc * bsrc)
GST_DEBUG_OBJECT (src, "allocating socket for %s:%d", src->multi_group,
src->port);
addr = g_inet_address_new_from_string (src->multi_group);
if (!addr) {
GList *results;
GST_DEBUG_OBJECT (src, "resolving IP address for host %s",
src->multi_group);
resolver = g_resolver_get_default ();
results =
g_resolver_lookup_by_name (resolver, src->multi_group,
src->cancellable, &err);
if (!results)
goto name_resolve;
addr = G_INET_ADDRESS (g_object_ref (results->data));
g_resolver_free_addresses (results);
g_object_unref (resolver);
}
#ifndef GST_DISABLE_GST_DEBUG
{
gchar *ip = g_inet_address_to_string (addr);
GST_DEBUG_OBJECT (src, "IP address for host %s is %s", src->multi_group,
ip);
g_free (ip);
}
#endif
addr = gst_udpsrc_resolve (src, src->multi_group);
if (!addr)
goto name_resolve;
if ((src->used_socket =
g_socket_new (g_inet_address_get_family (addr),
@ -971,10 +989,6 @@ gst_udpsrc_start (GstBaseSrc * bsrc)
/* ERRORS */
name_resolve:
{
GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS, (NULL),
("Name resolval failed: %s", err->message));
g_clear_error (&err);
g_object_unref (resolver);
return FALSE;
}
no_socket: