internal bool Connect(IPAddress IP, int port, int readTimeout, int allowedFailedCount = 0)
{
_serverIP = new IPEndPoint(IP, port);
_readTimeout = readTimeout;
_allowedFailedCount = allowedFailedCount;
_currentFailedCount = 0;
try
{
_tcpClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_tcpClient.Connect(_serverIP);
_tcpClient.ReceiveTimeout = _readTimeout;
_tcpStream = new NetworkStream(_tcpClient);
Connected = true;
return(true);
}
catch
{
Action <TCPError> localEvent = TCPErrorEvent;
if (localEvent != null)
{
TCPError error = new TCPError();
error.Message = string.Format("Unable to connect to {0} on port {1}", _serverIP.Address, _serverIP.Port);
localEvent(error);
}
}
return(false);
}
internal void Write(string data)
{
try
{
if (_tcpStream.CanWrite && Connected)
{
byte[] message = System.Text.Encoding.UTF8.GetBytes(data + Environment.NewLine);
_tcpStream.Write(message, 0, message.Length);
}
}
catch (IOException)
{
/*
* _currentFailedCount++;
* Action<TCPError> localEvent = TCPErrorEvent;
* if (localEvent != null && _tcpStream.CanRead)
* {
* TCPError error = new TCPError();
* error.Message = string.Format("Read Timeout, No Response from Server in {0}ms", _readTimeout);
* localEvent(error);
* }
*/
}
catch (Exception ex)
{
Action <TCPError> localEvent = TCPErrorEvent;
if (localEvent != null)
{
TCPError error = new TCPError();
error.Message = ex.Message;
localEvent(error);
}
}
}
internal string Read()
{
try
{
if (_tcpStream.CanRead && Connected)
{
byte[] readBytes = new byte[100000];
_tcpStream.Read(readBytes, 0, readBytes.Length);
string result = Encoding.UTF8.GetString(readBytes, 0, readBytes.Length);
// Reset Failed Counter
_currentFailedCount = 0;
return(result.TrimEnd('\0'));
}
}
catch (IOException)
{
/*
* _currentFailedCount++;
* Action<TCPError> localEvent = TCPErrorEvent;
* if (localEvent != null && _tcpStream.CanRead)
* {
* TCPError error = new TCPError();
* error.Message = string.Format("Read Timeout, No Response from Server in {0}ms", _readTimeout);
* localEvent(error);
* }
*/
}
catch (Exception ex)
{
_currentFailedCount++;
Action <TCPError> localEvent = TCPErrorEvent;
if (localEvent != null)
{
TCPError error = new TCPError();
error.Message = ex.Message;
localEvent(error);
}
}
if (_currentFailedCount > _allowedFailedCount)
{
Action <int> localEvent = TCPConnectionEvent;
if (localEvent != null)
{
localEvent(_currentFailedCount);
}
Disconnect();
_currentFailedCount = 0;
}
return(null);
}