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Log some recvfrom errors on linux (#885)
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parent
213c3c37b0
commit
1ed3af63b9
51
thirdparty/raknet/Source/SocketLayer.cpp
vendored
51
thirdparty/raknet/Source/SocketLayer.cpp
vendored
@ -417,8 +417,14 @@ int SocketLayer::RecvFrom( const SOCKET s, RakPeer *rakPeer, int *errorCode, uns
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assert( 0 );
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#endif
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*errorCode = -1;
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return -1;
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//*errorCode = -1;
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#ifdef __linux__
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char str[INET_ADDRSTRLEN];
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inet_ntop(AF_INET, &(sa.sin_addr), str, INET_ADDRSTRLEN);
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printf("[RakNet] SocketLayer::RecvFrom: empty datagram from %s", str);
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#endif
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//return -1;
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return 0;
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}
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if ( len > 0 )
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@ -479,6 +485,47 @@ int SocketLayer::RecvFrom( const SOCKET s, RakPeer *rakPeer, int *errorCode, uns
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}
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#endif
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}
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#elif defined(__linux__)
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if (len < -1)
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{
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printf("[RakNet] SocketLayer::RecvFrom: Unexpected return value.");
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return -1;
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}
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int local_errno = errno;
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if (local_errno == EAGAIN || local_errno == EWOULDBLOCK)
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{
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return 0; // no data
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}
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if (local_errno == EINTR)
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{
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printf("[RakNet] SocketLayer::RecvFrom: The receive was interrupted by delivery of a signal before any data were available.");
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return 0; // log, but ignore
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}
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char str[INET_ADDRSTRLEN];
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inet_ntop(AF_INET, &(sa.sin_addr), str, INET_ADDRSTRLEN);
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printf("[RakNet] SocketLayer::RecvFrom: Error receiving data from %s", str);
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switch (local_errno) {
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case EINVAL:
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printf("[RakNet] SocketLayer::RecvFrom: Invalid argument passed."); break;
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case ENOMEM:
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case ENOBUFS:
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printf("[RakNet] SocketLayer::RecvFrom: Could not allocate memory for recvmsg()."); break;
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case EFAULT:
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printf("[RakNet] SocketLayer::RecvFrom: The receive buffer pointer(s) point outside the process's address space."); break;
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case EBADF:
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printf("[RakNet] SocketLayer::RecvFrom: The argument sockfd is an invalid descriptor."); break;
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case ENOTSOCK:
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printf("[RakNet] SocketLayer::RecvFrom: The argument sockfd does not refer to a socket."); break;
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case EPIPE:
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printf("[RakNet] SocketLayer::RecvFrom: The connection was unexpectedly closed or shut down by the other end. "); break;
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default:
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printf("[RakNet] SocketLayer::RecvFrom: Unknown Error %d", local_errno); break;
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}
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return -1;
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#endif
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}
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