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Merged in AngryPixelShader/tracy/listener-ipv4-fallback (pull request #46)

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ListenSocket: Fallback to ipv4
This commit is contained in:
Leander Beernaert 2020-04-09 10:34:52 +00:00 committed by Bartosz Taudul
commit 981f1e2e32
1 changed files with 9 additions and 0 deletions
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9
common/TracySocket.cpp
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@ -312,6 +312,15 @@ bool ListenSocket::Listen( int port, int backlog )
if( getaddrinfo( nullptr, portbuf, &hints, &res ) != 0 ) return false;
m_sock = socket( res->ai_family, res->ai_socktype, res->ai_protocol );
if (m_sock == -1)
{
// IPV6 protocol may not be available/is disabled. Try to create a socket
// with the IPV4 protocol
hints.ai_family = AF_INET;
if( getaddrinfo( nullptr, portbuf, &hints, &res ) != 0 ) return false;
m_sock = socket( res->ai_family, res->ai_socktype, res->ai_protocol );
if (m_sock == -1) return false;
}
#if defined _WIN32 || defined __CYGWIN__
unsigned long val = 0;
setsockopt( m_sock, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&val, sizeof( val ) );