gnet-mcast.html

GNet是一个简单的网络库。它是目标定向的

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>ia</I
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><H3
><A
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>gnet_mcast_socket_leave_group ()</H3
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><GTKDOCLINK
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>gint</GTKDOCLINK
>        gnet_mcast_socket_leave_group   (<A
HREF="gnet-mcast.html#GMCASTSOCKET"
>GMcastSocket</A
> *ms,
                                             const <A
HREF="gnet-inetaddr.html#GINETADDR"
>GInetAddr</A
> *ia);</PRE
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><P
>Leave the mulitcast group.</P
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><A
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><H3
><A
NAME="GNET-MCAST-SOCKET-SEND"
></A
>gnet_mcast_socket_send ()</H3
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><GTKDOCLINK
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>gint</GTKDOCLINK
>        gnet_mcast_socket_send          (<A
HREF="gnet-mcast.html#GMCASTSOCKET"
>GMcastSocket</A
> *ms,
                                             const <A
HREF="gnet-udp.html#GUDPPACKET"
>GUdpPacket</A
> *packet);</PRE
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><P
>Send the packet using the multicast socket.</P
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>ms</I
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>packet</I
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><H3
><A
NAME="GNET-MCAST-SOCKET-RECEIVE"
></A
>gnet_mcast_socket_receive ()</H3
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><GTKDOCLINK
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>gint</GTKDOCLINK
>        gnet_mcast_socket_receive       (<A
HREF="gnet-mcast.html#GMCASTSOCKET"
>GMcastSocket</A
> *ms,
                                             <A
HREF="gnet-udp.html#GUDPPACKET"
>GUdpPacket</A
> *packet);</PRE
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><P
>Receive a packet using the mcast socket.</P
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>packet</I
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>&#13;</P
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><H3
><A
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>gnet_mcast_socket_has_packet ()</H3
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>gboolean</GTKDOCLINK
>    gnet_mcast_socket_has_packet    (const <A
HREF="gnet-mcast.html#GMCASTSOCKET"
>GMcastSocket</A
> *s);</PRE
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><P
>Test if the socket has a receive packet.</P
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><H3
><A
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>gnet_mcast_socket_is_loopback ()</H3
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>gint</GTKDOCLINK
>        gnet_mcast_socket_is_loopback   (const <A
HREF="gnet-mcast.html#GMCASTSOCKET"
>GMcastSocket</A
> *ms);</PRE
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><P
>Check if the multicast socket has loopback enabled.  If loopback
 is enabled, you receive all the packets you send.  Most people
 don't want this.</P
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>&#13;</P
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><A
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><H3
><A
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>gnet_mcast_socket_set_loopback ()</H3
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><GTKDOCLINK
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>gint</GTKDOCLINK
>        gnet_mcast_socket_set_loopback  (<A
HREF="gnet-mcast.html#GMCASTSOCKET"
>GMcastSocket</A
> *ms,
                                             <GTKDOCLINK
HREF="GINT"
>gint</GTKDOCLINK
> b);</PRE
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><P
>Turn the loopback on or off.  If loopback is on, when the process
 sends a packet, it will automatically be looped back to the host.
 If it is off, not only will this the process not receive datagrams
 it sends, other processes on the host will not receive its
 packets.</P
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>&#13;</P
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><A
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></A
><H3
><A
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></A
>gnet_mcast_socket_to_udp_socket()</H3
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><PRE
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>#define     gnet_mcast_socket_to_udp_socket(MS)</PRE
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><P
>Convert a multicast socket to a UDP socket (since a multicast
 socket is just a UDP socket with some special features).</P
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