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Support UDP muxing for SRFLX candidates

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The original UDPMux only works for the HOST candidates.
UniversalUDPMux adds support for SRFLX candidates
and will later support Relay candidates.
UniversalUDPMux embeds UDPMuxDefault and
handles STUN server packets to discover XORMappedAddr
forwarding the remaining packets for muxing to UDPMuxDefault.
This commit is contained in:
Mikhail Bragin
2022-02-18 13:10:04 +01:00
committed by David Zhao
parent 7723b468a6
commit 2d70ec8e3c
7 changed files with 569 additions and 4 deletions
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4
errors.go
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@@ -135,4 +135,8 @@ var (
errICEWriteSTUNMessage = errors.New("the ICE conn can't write STUN messages")
errUDPMuxDisabled = errors.New("UDPMux is not enabled")
errCandidateIPNotFound = errors.New("could not determine local IP for Mux candidate")
errNoXorAddrMapping = errors.New("no address mapping")
errSendSTUNPacket = errors.New("failed to send STUN packet")
errXORMappedAddrTimeout = errors.New("timeout while waiting for XORMappedAddr")
errNotImplemented = errors.New("not implemented yet")
)