/* connect to site/port */
int Connect (char *hostname, int port)
{
struct hostent *remote;
unsigned long addr;
if (strspn (hostname, " .0123456789") == strlen (hostname))
{
addr = inet_addr (hostname);
return ConnectIP (addr, port);
}
else
{
/* resolve hostname */
remote = gethostbyname (hostname);
if (remote == NULL)
{
/* warning1 ("cannot resolve %s\n", hostname); */
return -1;
}
return ConnectIP (*((unsigned long *)(remote->h_addr)), port);
}
}
bool TCPConnection::Connect(const char* irAddress, uint16 irPort, char* errbuf) {
if (errbuf)
errbuf[0] = 0;
uint32 tmpIP = ResolveIP(irAddress);
if (!tmpIP) {
if (errbuf) {
#ifdef _WINDOWS
snprintf(errbuf, TCPConnection_ErrorBufferSize, "TCPConnection::Connect(): Couldnt resolve hostname. Error: %i", WSAGetLastError());
#else
snprintf(errbuf, TCPConnection_ErrorBufferSize, "TCPConnection::Connect(): Couldnt resolve hostname. Error #%i: %s", errno, strerror(errno));
#endif
}
return false;
}
return ConnectIP(tmpIP, irPort, errbuf);
}
/* This is always called from an IO thread. Either the server socket's thread, or a
* special thread we create when we make an outbound connection. */
bool TCPConnection::Process() {
char errbuf[TCPConnection_ErrorBufferSize];
switch(GetState()) {
case TCPS_Ready:
case TCPS_Connecting:
if (ConnectionType == Outgoing) {
if (GetAsyncConnect()) {
if (charAsyncConnect)
rIP = ResolveIP(charAsyncConnect);
ConnectIP(rIP, rPort);
}
}
return(true);
case TCPS_Connected:
// only receive data in the connected state, no others...
if (!RecvData(errbuf)) {
struct in_addr in;
in.s_addr = GetrIP();
//cout << inet_ntoa(in) << ":" << GetrPort() << ": " << errbuf << endl;
return false;
}
/* we break to do the send */
break;
case TCPS_Disconnecting: {
//waiting for any sending data to go out...
MSendQueue.lock();
if(sendbuf) {
if(sendbuf_used > 0) {
//something left to send, keep processing...
MSendQueue.unlock();
break;
}
//else, send buffer is empty.
safe_delete_array(sendbuf);
} //else, no send buffer, we are done.
MSendQueue.unlock();
}
/* Fallthrough */
case TCPS_Disconnected:
FinishDisconnect();
MRunLoop.lock();
pRunLoop = false;
MRunLoop.unlock();
// SetState(TCPS_Ready); //reset the state in case they want to use it again...
return(false);
case TCPS_Closing:
//I dont understand this state...
case TCPS_Error:
MRunLoop.lock();
pRunLoop = false;
MRunLoop.unlock();
return(false);
}
/* we get here in connected or disconnecting with more data to send */
bool sent_something = false;
if (!SendData(sent_something, errbuf)) {
struct in_addr in;
in.s_addr = GetrIP();
std::cout << inet_ntoa(in) << ":" << GetrPort() << ": " << errbuf << std::endl;
return false;
}
return true;
}
