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GSocket: Add support for source-specific multicast (RFC 4604)
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@ -47,8 +47,6 @@
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#include <sys/uio.h>
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#endif
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#include <net/if.h>
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#include "gcancellable.h"
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#include "gioenumtypes.h"
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#include "ginetaddress.h"
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@ -1690,6 +1688,7 @@ g_socket_bind (GSocket *socket,
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static gboolean
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g_socket_multicast_group_operation (GSocket *socket,
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GInetAddress *group,
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gboolean source_specific,
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const gchar *interface,
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gboolean join_group,
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GError **error)
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@ -1725,7 +1724,10 @@ g_socket_multicast_group_operation (GSocket *socket,
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mc_req.imr_interface.s_addr = g_htonl (INADDR_ANY);
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#endif
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optname = join_group ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP;
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if (source_specific)
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optname = join_group ? IP_ADD_SOURCE_MEMBERSHIP : IP_DROP_SOURCE_MEMBERSHIP;
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else
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optname = join_group ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP;
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result = setsockopt (socket->priv->fd, IPPROTO_IP, optname,
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&mc_req, sizeof (mc_req));
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}
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@ -1766,6 +1768,7 @@ g_socket_multicast_group_operation (GSocket *socket,
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* @socket: a #GSocket.
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* @group: a #GInetAddress specifying the group address to join.
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* @interface: Interface to use
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* @source_specific: %TRUE if source-specific multicast should be used
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* @error: #GError for error reporting, or %NULL to ignore.
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*
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* Registers @socket to receive multicast messages sent to @group.
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@ -1773,6 +1776,9 @@ g_socket_multicast_group_operation (GSocket *socket,
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* been bound to an appropriate interface and port with
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* g_socket_bind().
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*
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* If @source_specific is %TRUE, source-specific multicast as defined
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* in RFC 4604 is used.
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*
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* Returns: %TRUE on success, %FALSE on error.
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*
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* Since: 2.32
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@ -1780,10 +1786,11 @@ g_socket_multicast_group_operation (GSocket *socket,
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gboolean
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g_socket_join_multicast_group (GSocket *socket,
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GInetAddress *group,
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gboolean source_specific,
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const gchar *interface,
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GError **error)
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{
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return g_socket_multicast_group_operation (socket, group, interface, TRUE, error);
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return g_socket_multicast_group_operation (socket, group, source_specific, interface, TRUE, error);
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}
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/**
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@ -1791,11 +1798,15 @@ g_socket_join_multicast_group (GSocket *socket,
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* @socket: a #GSocket.
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* @group: a #GInetAddress specifying the group address to leave.
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* @interface: Interface to use
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* @source_specific: %TRUE if source-specific multicast should be used
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* @error: #GError for error reporting, or %NULL to ignore.
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*
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* Removes @socket from the multicast group @group (while still
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* allowing it to receive unicast messages).
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*
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* If @source_specific is %TRUE, source-specific multicast as defined
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* in RFC 4604 is used.
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*
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* Returns: %TRUE on success, %FALSE on error.
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*
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* Since: 2.32
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@ -1803,10 +1814,11 @@ g_socket_join_multicast_group (GSocket *socket,
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gboolean
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g_socket_leave_multicast_group (GSocket *socket,
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GInetAddress *group,
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gboolean source_specific,
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const gchar *interface,
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GError **error)
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{
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return g_socket_multicast_group_operation (socket, group, interface, FALSE, error);
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return g_socket_multicast_group_operation (socket, group, source_specific, interface, FALSE, error);
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}
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/**
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@ -113,10 +113,12 @@ gboolean g_socket_bind (GSocket
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GError **error);
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gboolean g_socket_join_multicast_group (GSocket *socket,
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GInetAddress *group,
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gboolean source_specific,
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const gchar *interface,
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GError **error);
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gboolean g_socket_leave_multicast_group (GSocket *socket,
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GInetAddress *group,
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gboolean source_specific,
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const gchar *interface,
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GError **error);
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gboolean g_socket_connect (GSocket *socket,
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