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previous request following request return
----------------- ----------------- -----------
MCAST_JOIN_GROUP MCAST_JOIN_GROUP EADDRINUSE
MCAST_JOIN_GROUP MCAST_LEAVE_GROUP 0
MCAST_JOIN_GROUP MCAST_JOIN_SOURCE_GROUP EINVAL
MCAST_JOIN_GROUP MCAST_LEAVE_SOURCE_GROUP EINVAL
MCAST_JOIN_GROUP MCAST_BLOCK_SOURCE 0
MCAST_JOIN_SOURCE_GROUP MCAST_JOIN_GROUP EADDRINUSE
MCAST_JOIN_SOURCE_GROUP MCAST_LEAVE_GROUP 0
MCAST_JOIN_SOURCE_GROUP MCAST_JOIN_SOURCE_GROUP (*1)
MCAST_JOIN_SOURCE_GROUP MCAST_LEAVE_SOURCE_GROUP (*2)
MCAST_JOIN_SOURCE_GROUP MCAST_BLOCK_SOURCE EINVAL
MCAST_JOIN_SOURCE_GROUP MCAST_UNBLOCK_SOURCE EINVAL
MCAST_BLOCK_SOURCE MCAST_JOIN_GROUP EADDRINUSE
MCAST_BLOCK_SOURCE MCAST_LEAVE_GROUP 0
MCAST_BLOCK_SOURCE MCAST_JOIN_SOURCE_GROUP EINVAL
MCAST_BLOCK_SOURCE MCAST_LEAVE_SOURCE_GROUP EINVAL
MCAST_BLOCK_SOURCE MCAST_BLOCK_SOURCE (*1)
MCAST_BLOCK_SOURCE MCAST_UNBLOCK_SOURCE (*2)
(*1) EADDRNOTAVAIL if source address is same of filtered one. Otherwise 0.
(*2) EADDRNOTAVAIL if source address is not same of filtered one. Otherwise 0.
http://planete.inria.fr/Hitoshi.Asaeda/mldv2/README.txt
The following steps apply for any-source applications:
Use MCAST_JOIN_GROUP to join a group.
Use MCAST_BLOCK_SOURCE to turn off a given source, if required.
Use MCAST_UNBLOCK_SOURCE to re-allow a blocked source, if required.
Use MCAST_LEAVE_GROUP to leave the group.
The following steps apply for controlled-source applications:
Use MCAST_JOIN_SOURCE_GROUP to join each group/source pair.
Use MCAST_LEAVE_SOURCE_GROUP to leave each group/source, or use MCAST_LEAVE_GROUP to leave all sources, if the same group address is used by all sources.
The following steps apply for any-source applications:
Use IP_ADD_MEMBERSHIP to join a group (IPV6_ADD_MEMBERSHIP for IPv6).
Use IP_BLOCK_SOURCE to turn off a given source, if required.
Use IP_UNBLOCK_SOURCE to re-allow a blocked source, if required.
Use IP_DROP_MEMBERSHIP to leave the group (IPV6_DROP_MEMBERSHIP for IPv6).
The following steps apply for controlled-source applications:
Use IP_ADD_SOURCE_MEMBERSHIP to join each group/source pair.
Use IP_DROP_SOURCE_MEMBERSHIP to leave each group/source, or use IP_DROP_MEMBERSHIP to leave all sources, if the same group address is used by all sources.
http://msdn.microsoft.com/en-us/library/ms738558(VS.85).aspx
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