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ICE client supports IPv6 server reflexive candidates

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(cherry picked from commit 491d224f10)
This commit is contained in:
Fletcher Dunn
2026-05-21 21:57:27 -07:00
parent e76cc09fa3
commit bc31cc2c15
1 changed files with 14 additions and 3 deletions
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src/steamnetworkingsockets/clientlib/steamnetworkingsockets_ice_client.cpp
+14 -3
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@@ -1560,8 +1560,6 @@ void CSteamNetworkingICESession::Think_DiscoverServerReflexiveCandidates()
{
if ( c.m_type != kICECandidateType_Host )
continue;
if ( !c.m_base.IsIPv4() )
continue;
// Do we have a server-reflexive candidate for this host already?
bool bFound = false;
if ( !bFound )
@@ -1589,12 +1587,25 @@ void CSteamNetworkingICESession::Think_DiscoverServerReflexiveCandidates()
if ( bFound )
continue;
// Find first STUN server matching this candidate's address family
const SteamNetworkingIPAddr *pSTUNServer = nullptr;
for ( const SteamNetworkingIPAddr &srv : m_vecSTUNServers )
{
if ( srv.IsIPv4() == c.m_base.IsIPv4() )
{
pSTUNServer = &srv;
break;
}
}
if ( !pSTUNServer )
continue;
IRawUDPSocket * const pSocket = FindSocketForCandidate( c.m_base );
// No socket for this candidate?
if ( pSocket == nullptr )
continue;
CSteamNetworkingSocketsSTUNRequest *pNewRequest = CSteamNetworkingSocketsSTUNRequest::SendBindRequest( pSocket, m_vecSTUNServers[0], CRecvSTUNPktCallback( StaticSTUNRequestCallback_ServerReflexiveCandidate, this ), m_nEncoding | kSTUNPacketEncodingFlags_MappedAddress );
CSteamNetworkingSocketsSTUNRequest *pNewRequest = CSteamNetworkingSocketsSTUNRequest::SendBindRequest( pSocket, *pSTUNServer, CRecvSTUNPktCallback( StaticSTUNRequestCallback_ServerReflexiveCandidate, this ), m_nEncoding | kSTUNPacketEncodingFlags_MappedAddress );
if ( pNewRequest != nullptr )
{
m_vecPendingServerReflexiveRequests.push_back( pNewRequest );