void MatchMaker_RequestConnection( char *_targetIp, int _targetPort, Directory *_myDetails )
{
#ifdef WAN_PLAY_ENABLED
AppDebugOut( "Requesting connection to %s:%d via matchmaker\n", _targetIp, _targetPort );
Directory request( _myDetails );
request.SetName ( NET_MATCHMAKER_MESSAGE );
request.CreateData ( NET_METASERVER_COMMAND, NET_MATCHMAKER_REQUEST_CONNECT );
request.CreateData ( NET_MATCHMAKER_TARGETIP, _targetIp );
request.CreateData ( NET_MATCHMAKER_TARGETPORT, _targetPort );
AppAssert( s_matchMakerIp );
NetSocket socket;
NetRetCode result = socket.Connect( s_matchMakerIp, s_matchMakerPort );
AppAssert( result == NetOk );
MetaServer_SendDirectory( &request, &socket );
#endif
}
void GetLocalHostIP( char *str, int len )
{
static bool retrievedAddress = false;
static char localHostIP[16];
if (!retrievedAddress)
{
// Try to find the IP address of the default route (without using name lookup)
NetSocket s;
// It doesn't actually matter whether the host is reachable
// Since UDP is a connectionless protocol, the only effect
// of connect is to see if there is a route to the specified
// host.
if (s.Connect( "80.175.29.66", 5000 ) == NetOk)
{
NetIpAddress localAddress = s.GetLocalAddress();
// On some systems (Win98) this can return 0.0.0.0
// which is not a valid IP to connect to.
if (* (unsigned long *) (&localAddress.sin_addr) != 0) {
IpAddressToStr( localAddress, localHostIP );
retrievedAddress = true;
}
// It seems that on some systems this can return 0.0.0.0, strange, strange!
if (strcmp( localHostIP, "0.0.0.0" ) != 0)
retrievedAddress = true;
}
if (!retrievedAddress) {
// Not connected to the internet (or 0.0.0.0 returned), revert to
// host name lookup method
// Default fallback
strcpy( localHostIP, "127.0.0.1" );
// Get our host name
char hostname[256];
int result = gethostname( hostname, sizeof(hostname) );
if (result >= 0) {
struct hostent *lpHostEnt = gethostbyname( hostname );
if (lpHostEnt) {
NetIpAddress addr;
memcpy( &addr.sin_addr, lpHostEnt->h_addr_list[0], sizeof(addr.sin_addr) );
addr.sin_port = 0;
IpAddressToStr( addr, localHostIP );
}
}
}
AppDebugOut("Local IP address is: %s\n", localHostIP );
retrievedAddress = true;
}
strncpy( str, localHostIP, len );
str[ len - 1 ] = '\0';
}