public static Socket ConnectTCPSocket(IPAddress addr, int port, int timeout)
{
Socket s = new Socket(addr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult ar = null;
bool timed_out = false;
AsyncConnectProcessor proc = new AsyncConnectProcessor(s);
try {
ar = s.BeginConnect(new IPEndPoint(addr, port), new AsyncCallback(proc.End), null);
timed_out = !ar.AsyncWaitHandle.WaitOne(timeout, false);
}
catch (Exception ex) { //ブロック中の例外はここで
proc.EndConnectRequired = false;
s.Close();
ProtocolsPlugin.Instance.NetLog(ex.Message);
return(null);
}
if (timed_out)
{
proc.EndConnectRequired = false;
s.Close();
ProtocolsPlugin.Instance.NetLog(String.Format("timed out connecting to {0}", addr.ToString()));
return(null);
}
if (!s.Connected)
{
ProtocolsPlugin.Instance.NetLog(proc.ErrorMessage);
return(null);
}
return(s);
}
public static Socket ConnectTCPSocket(IPAddress addr, int port, int timeout)
{
Socket s = new Socket(addr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
s.NoDelay = true;
IAsyncResult ar = null;
bool timed_out = false;
AsyncConnectProcessor proc = new AsyncConnectProcessor(s);
try {
ar = s.BeginConnect(new IPEndPoint(addr, port), new AsyncCallback(proc.End), null);
timed_out = !ar.AsyncWaitHandle.WaitOne(timeout, false);
}
catch (Exception ex) { //ブロック中の例外はここで
proc.EndConnectRequired = false;
s.Close();
ProtocolsPlugin.Instance.NetLog(ex.Message);
return null;
}
if (timed_out) {
proc.EndConnectRequired = false;
s.Close();
ProtocolsPlugin.Instance.NetLog(String.Format("timed out connecting to {0}", addr.ToString()));
return null;
}
if (!s.Connected) {
ProtocolsPlugin.Instance.NetLog(proc.ErrorMessage);
return null;
}
return s;
}
