NETWORK_API void NetworkUtility::GetIPAndPortFromString( const rString& input, rString& outIP, unsigned short& outPort )
{
if ( input == "" )
return;
outIP = "";
outPort = INVALID_PORT;
size_t colonCount = std::count( input.begin(), input.end(), ':' );
if ( colonCount == 1 )
{
outIP = GetIPFromString( input );
size_t colonPosition = input.find( ':' );
rString portString = input.substr( colonPosition + 1 );
if ( StringUtility::IsDigitsOnly( portString ) )
{
outPort = GetPortFromString( portString );
}
}
else if ( StringUtility::IsDigitsOnly( input ) )
{
outPort = GetPortFromString( input );
}
else
{
outIP = GetIPFromString( input );
}
}
/* returns fd or <0 on error */
int ConnectToServer(struct net *n, char *server, int port)
{
int sock, err;
struct sockaddr_in s;
sock = socket(PF_INET, SOCK_STREAM, 0);
if (sock < 0) {
perror("couldn't get socket");
return -1;
}
s.sin_family = PF_INET;
s.sin_port = htons(port);
s.sin_addr.s_addr = GetIPFromString(server);
err = connect(sock, (struct sockaddr *) &s, sizeof(s));
if (err) {
perror("couldn't connect to server");
return -1;
}
fcntl(sock, F_SETFL, O_NDELAY);
n->sock = sock;
n->readfp = fdopen(sock, "r");
setlinebuf(n->readfp); /* line buffering makes for better parsing */
return sock;
}