/// Block on the stream forever, reading data as soon as we can.
private void ReadStreamData()
{
using (var streamReader = new StreamReader(_stream))
{
try
{
while (!streamReader.EndOfStream)
{
var line = streamReader.ReadLine();
lock (this)
{
EventHandler.Trigger(new DataReceivedEvent(line));
}
}
}
catch (IOException)
{
}
}
lock (this)
{
_state = TcpTransportState.Idle;
_writer = null;
_stream = null;
EventHandler.Trigger(new ConnectionClosedEvent());
}
}
/// Open a connection to the remote host or dispatch an error event.
private void Connect()
{
lock (this)
{
_client = new TcpClient();
try
{
_client.Connect(_host, _port);
}
catch (Exception error)
{
EventHandler.Trigger(new ErrorEvent {
Exception = error
});
_state = TcpTransportState.Idle;
return;
}
_state = TcpTransportState.Connected;
EventHandler.Trigger(new ConnectionOpenedEvent());
}
_stream = _client.GetStream();
_writer = new StreamWriter(_stream);
ReadStreamData();
}
public void Connect(string host, int port)
{
lock (this)
{
if (_state != TcpTransportState.Idle)
{
throw new TcpTransportException(TcpTransportErrors.ConnectionBusy, "A connection is already in progress");
}
_host = host;
_port = port;
_state = TcpTransportState.Connecting;
_thread = new Thread(Connect);
_thread.Start();
}
}
public void Close()
{
lock (this)
{
if (_state != TcpTransportState.Connected)
{
throw new TcpTransportException(TcpTransportErrors.NotConencted, "No active connection");
}
lock (this)
{
_stream.Close();
_client.Close();
_client = null;
_state = TcpTransportState.Idle;
}
}
}
