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UDP: Add broadcast & multicast #73

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badeend opened this issue Nov 15, 2023 · 0 comments

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badeend commented Nov 15, 2023 •

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Relevant socket options:

SO_BROADCAST
MCAST_JOIN_GROUP (IP_ADD_MEMBERSHIP, IPV6_JOIN_GROUP, IPV6_ADD_MEMBERSHIP)
MCAST_LEAVE_GROUP (IP_DROP_MEMBERSHIP, IPV6_LEAVE_GROUP, IPV6_DROP_MEMBERSHIP)
MCAST_JOIN_SOURCE_GROUP (IP_ADD_SOURCE_MEMBERSHIP)
MCAST_LEAVE_SOURCE_GROUP (IP_DROP_SOURCE_MEMBERSHIP)
MCAST_BLOCK_SOURCE (IP_BLOCK_SOURCE)
MCAST_UNBLOCK_SOURCE (IP_UNBLOCK_SOURCE)
IP_MULTICAST_IF
IPV6_MULTICAST_IF
IP_MULTICAST_LOOP
IPV6_MULTICAST_LOOP
IP_MULTICAST_TTL
IPV6_MULTICAST_HOPS
IP_MULTICAST_ALL
IPV6_MULTICAST_ALL
IP_MULTICAST_IFINDEX
IP_MSFILTER
IPV6_MSFILTER

Relevant functions:

get/setsourcefilter
get/setipv4sourcefilter

TODO:

Interaction with SO_REUSEADDR & SO_REUSE_MULTICASTPORT

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