// ----------------------------- Connect ---------------------------------
// connect to the remote socket.
public void Connect( )
{
mSocket = null;
// make sure server name and port have been spcfd.
if (Stringer.IsEmpty(mServerName) == true)
{
ThrowNetworkException("Connect error. Server name is empty.");
}
if (mServerPortNx == 0)
{
ThrowNetworkException("Connect error. Server port number is zero.");
}
// resolve and connect to the remote system.
try
{
// resolve to the host server.
IPHostEntry hostEntry = null;
hostEntry = Dns.GetHostEntry(mServerName);
// I guess Resolve returns a list of IP addresses. ( something to do with
// IPv6 ). This loop is standard stuff pulled from the MS documenation.
// Try to connect to each address until successful.
foreach (IPAddress address in hostEntry.AddressList)
{
IPEndPoint ep = new IPEndPoint(address, mServerPortNx);
Socket tempSocket = new Socket(
ep.AddressFamily,
SocketType.Stream,
ProtocolType.Tcp);
tempSocket.Connect(ep);
if (tempSocket.Connected == true)
{
ConnectedSocket = tempSocket;
break;
}
}
}
catch (Exception e)
{
ThrowNetworkException(
"Exception connecting to " + ServerPortCombo, e);
}
// throw exception if can't connect ...
if (mSocket == null)
{
ThrowNetworkException("Failed to connect to " + ServerPortCombo);
}
else
{
AddMessage(NetworkRole.Client, "Connected to " + ServerPortCombo);
}
}
// ------------------------ CalcServerRequiresAuthentication ----------------
// Server requires authentication if the property is explicitly set or if the
// Username and Password properties are set.
private bool CalcServerRequiresAuthentication( )
{
if (mServerRequiresAuthentication != null)
{
return((bool)mServerRequiresAuthentication);
}
else if ((Stringer.IsEmpty(Username) == false) &&
(Stringer.IsEmpty(Password) == false))
{
return(true);
}
else
{
return(false);
}
}
