//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_OpenReliableSocket( int port ){
int newsocket;
struct sockaddr_in address;
qboolean _true = 0xFFFFFFFF;
//IPPROTO_TCP
//
if ( ( newsocket = socket( AF_INET, SOCK_STREAM, 0 ) ) == -1 ) {
WinPrint( "WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
memset( (char *) &address, 0, sizeof( address ) );
address.sin_family = AF_INET;
address.sin_addr.s_addr = htonl( INADDR_ANY );
address.sin_port = htons( (u_short)port );
if ( bind( newsocket, (void *)&address, sizeof( address ) ) == -1 ) {
WinPrint( "WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
closesocket( newsocket );
return -1;
} //end if
//
if ( setsockopt( newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof( int ) ) == -1 ) {
WinPrint( "WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
WinPrint( "setsockopt error\n" );
} //end if
return newsocket;
} //end of the function WINS_OpenReliableSocket
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_OpenSocket( int port ){
int newsocket;
struct sockaddr_in address;
u_long _true = 1;
if ( ( newsocket = socket( PF_INET, SOCK_DGRAM, IPPROTO_UDP ) ) == SOCKET_ERROR ) {
WinPrint( "WINS_OpenSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
if ( ioctlsocket( newsocket, FIONBIO, &_true ) == SOCKET_ERROR ) {
WinPrint( "WINS_OpenSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
closesocket( newsocket );
return -1;
} //end if
memset( (char *) &address, 0, sizeof( address ) );
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons( (u_short)port );
if ( bind( newsocket, (void *)&address, sizeof( address ) ) == -1 ) {
WinPrint( "WINS_OpenSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
closesocket( newsocket );
return -1;
} //end if
return newsocket;
} //end of the function WINS_OpenSocket
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_Listen( int socket ){
u_long _true = 1;
if ( ioctlsocket( socket, FIONBIO, &_true ) == -1 ) {
WinPrint( "WINS_Listen: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
if ( listen( socket, SOMAXCONN ) == SOCKET_ERROR ) {
WinPrint( "WINS_Listen: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
return 0;
} //end of the function WINS_Listen
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_Connect( int socket, struct sockaddr_s *addr ){
int ret;
u_long _true2 = 0xFFFFFFFF;
ret = connect( socket, (struct sockaddr *)addr, sizeof( struct sockaddr_s ) );
if ( ret == SOCKET_ERROR ) {
WinPrint( "WINS_Connect: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
if ( ioctlsocket( socket, FIONBIO, &_true2 ) == -1 ) {
WinPrint( "WINS_Connect: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
return 0;
} //end of the function WINS_Connect
//===========================================================================
// returns the number of bytes read
// 0 if no bytes available
// -1 on failure
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_Read(int socket, byte *buf, int len, struct sockaddr_s *addr)
{
int addrlen = sizeof (struct sockaddr_s);
int ret, errno;
if (addr)
{
ret = recvfrom(socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);
if (ret == -1)
{
errno = WSAGetLastError();
if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)
return 0;
} //end if
} //end if
else
{
ret = recv(socket, buf, len, 0);
if (ret == SOCKET_ERROR)
{
errno = WSAGetLastError();
if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)
return 0;
} //end if
} //end else
if (ret == SOCKET_ERROR)
{
WinPrint("WINS_Read: %s\n", WINS_ErrorMessage(WSAGetLastError()));
} //end if
return ret;
} //end of the function WINS_Read
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_Accept( int socket, struct sockaddr_s *addr ){
socklen_t addrlen = sizeof( struct sockaddr_s );
int newsocket;
qboolean _true = 1;
newsocket = accept( socket, (struct sockaddr *)addr, &addrlen );
if ( newsocket == INVALID_SOCKET ) {
if ( errno == EAGAIN ) {
return -1;
}
WinPrint( "WINS_Accept: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return -1;
} //end if
//
if ( setsockopt( newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof( int ) ) == SOCKET_ERROR ) {
WinPrint( "WINS_Accept: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
WinPrint( "setsockopt error\n" );
} //end if
return newsocket;
} //end of the function WINS_Accept
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_CloseSocket( int socket ){
/*
if (socket == net_broadcastsocket)
net_broadcastsocket = 0;
*/
// shutdown(socket, SD_SEND);
if ( closesocket( socket ) == SOCKET_ERROR ) {
WinPrint( "WINS_CloseSocket: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
return SOCKET_ERROR;
} //end if
return 0;
} //end of the function WINS_CloseSocket
//===========================================================================
// returns qtrue on success or qfalse on failure
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_Write( int socket, byte *buf, int len, struct sockaddr_s *addr ){
int ret, written;
ret = 0;
if ( addr ) {
written = 0;
while ( written < len )
{
ret = sendto( socket, &buf[written], len - written, 0, (struct sockaddr *)addr, sizeof( struct sockaddr_s ) );
if ( ret == SOCKET_ERROR ) {
if ( WSAGetLastError() != EAGAIN ) {
return qfalse;
}
//++timo FIXME: what is this used for?
// Sleep(1000);
} //end if
else
{
written += ret;
}
}
} //end if
else
{
written = 0;
while ( written < len )
{
ret = send( socket, buf, len, 0 );
if ( ret == SOCKET_ERROR ) {
if ( WSAGetLastError() != EAGAIN ) {
return qfalse;
}
//++timo FIXME: what is this used for?
// Sleep(1000);
} //end if
else
{
written += ret;
}
}
} //end else
if ( ret == SOCKET_ERROR ) {
WinPrint( "WINS_Write: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
} //end if
return ( ret == len );
} //end of the function WINS_Write
//===========================================================================
// returns the number of bytes read
// 0 if no bytes available
// -1 on failure
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int WINS_Read( int socket, byte *buf, int len, struct sockaddr_s *addr ){
socklen_t addrlen = sizeof( struct sockaddr_s );
int ret;
if ( addr ) {
ret = recvfrom( socket, buf, len, 0, (struct sockaddr *)addr, &addrlen );
if ( ret == -1 ) {
// errno = WSAGetLastError();
if ( errno == EAGAIN || errno == ENOTCONN ) {
return 0;
}
} //end if
} //end if
else
{
ret = recv( socket, buf, len, 0 );
// if there's no data on the socket ret == -1 and errno == EAGAIN
// MSDN states that if ret == 0 the socket has been closed
// man recv doesn't say anything
if ( ret == 0 ) {
return -1;
}
if ( ret == SOCKET_ERROR ) {
// errno = WSAGetLastError();
if ( errno == EAGAIN || errno == ENOTCONN ) {
return 0;
}
} //end if
} //end else
if ( ret == SOCKET_ERROR ) {
WinPrint( "WINS_Read: %s\n", WINS_ErrorMessage( WSAGetLastError() ) );
} //end if
return ret;
} //end of the function WINS_Read
