private string TCPHostListen()
{
TCPStatus = 0; //Set to listening
string ReceivedData = "";
Byte[] bytes = new Byte[256];
TcpClient ClientListener;
if (ComActive == false)
{
DebugWrite("In TCPHostListen, ComActive is closed, exiting.");
TCPStatus = 2;
return("");
}
while (ComActive)
{
try
{
DebugWrite("In TCPHostListen, initializing listen setup.");
TcpListenerObject.Start();
DebugWrite("In TCPHostListen, start sequence OK.");
}
catch (SocketException e)
{
TCPStatus = 0; //Set to listening as we will exit the connection now
DebugWrite("Error while listening to data as host in TCPHostListen, error: " + e);
return("");
}
try
{
//TODO
ClientListener = TcpListenerObject.AcceptTcpClient();
DebugWrite("As host; Client has connected.");
ClientListener.ReceiveTimeout = 10000;
ClientListener.SendTimeout = 10000;
try
{
TCPStatus = 1; //Set to connected
TcpStreamObject = ClientListener.GetStream();
int i;
while ((i = TcpStreamObject.Read(bytes, 0, bytes.Length)) != 0 && ComActive)
{
ReceivedData = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
DebugWrite("As host; Received data: " + ReceivedData);
TCPStatus = 0; //Set to listening as we will exit the connection now
ClientListener.Close();
return(ReceivedData);
}
}
catch (System.IO.IOException e)
{
DebugWrite("Error reading data as host in TCPHostListen, error: " + e);
SetupCom();
}
}
catch (System.InvalidOperationException e)
{
DebugWrite("InvalidOperationException in TCPHostListen, error: " + e);
}
catch (SocketException e)
{
DebugWrite("SocketException in TCPHostListen, error: " + e);
}
catch (Exception e)
{
DebugWrite("Exception in TCPHostListen, error: " + e);
}
}
TCPStatus = 0; //Set to listening as we will exit the connection now
return("");
}
