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Log some recvfrom errors on linux (#885)

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Daniel Seiler 2022-12-16 07:32:36 +01:00 committed by GitHub
parent 213c3c37b0
commit 1ed3af63b9
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1 changed files with 49 additions and 2 deletions
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51
thirdparty/raknet/Source/SocketLayer.cpp vendored
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@ -417,8 +417,14 @@ int SocketLayer::RecvFrom( const SOCKET s, RakPeer *rakPeer, int *errorCode, uns
assert( 0 );
#endif
*errorCode = -1;
return -1;
//*errorCode = -1;
#ifdef __linux__
char str[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &(sa.sin_addr), str, INET_ADDRSTRLEN);
printf("[RakNet] SocketLayer::RecvFrom: empty datagram from %s", str);
#endif
//return -1;
return 0;
}
if ( len > 0 )
@ -479,6 +485,47 @@ int SocketLayer::RecvFrom( const SOCKET s, RakPeer *rakPeer, int *errorCode, uns
}
#endif
}
#elif defined(__linux__)
if (len < -1)
{
printf("[RakNet] SocketLayer::RecvFrom: Unexpected return value.");
return -1;
}
int local_errno = errno;
if (local_errno == EAGAIN || local_errno == EWOULDBLOCK)
{
return 0; // no data
}
if (local_errno == EINTR)
{
printf("[RakNet] SocketLayer::RecvFrom: The receive was interrupted by delivery of a signal before any data were available.");
return 0; // log, but ignore
}
char str[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &(sa.sin_addr), str, INET_ADDRSTRLEN);
printf("[RakNet] SocketLayer::RecvFrom: Error receiving data from %s", str);
switch (local_errno) {
case EINVAL:
printf("[RakNet] SocketLayer::RecvFrom: Invalid argument passed."); break;
case ENOMEM:
case ENOBUFS:
printf("[RakNet] SocketLayer::RecvFrom: Could not allocate memory for recvmsg()."); break;
case EFAULT:
printf("[RakNet] SocketLayer::RecvFrom: The receive buffer pointer(s) point outside the process's address space."); break;
case EBADF:
printf("[RakNet] SocketLayer::RecvFrom: The argument sockfd is an invalid descriptor."); break;
case ENOTSOCK:
printf("[RakNet] SocketLayer::RecvFrom: The argument sockfd does not refer to a socket."); break;
case EPIPE:
printf("[RakNet] SocketLayer::RecvFrom: The connection was unexpectedly closed or shut down by the other end. "); break;
default:
printf("[RakNet] SocketLayer::RecvFrom: Unknown Error %d", local_errno); break;
}
return -1;
#endif
}