private void writeCallback(IAsyncResult asyncResult)
{
try
{
AsyncClientState cs = (AsyncClientState)asyncResult.AsyncState;
cs.NetStream.EndWrite(asyncResult);
}
catch (Exception ex)
{
this.logger.Log(LoggerThreshold.Error, ex.ToString());
}
}
public string Process(IPEndPoint localEndPoint, ILogger logger, string text)
{
this.logger = logger;
TcpClient client = new TcpClient();
AsyncClientState cs = null;
try
{
client.Connect(localEndPoint);
logger.Cache(LoggerThreshold.Debug, "Client connected to server");
cs = new AsyncClientState(client.GetStream(), text);
IAsyncResult writeResult = cs.NetStream.BeginWrite(cs.WriteBuffer, 0, cs.WriteBuffer.Length, new AsyncCallback(this.writeCallback), cs);
writeResult.AsyncWaitHandle.WaitOne();
this.logger.Cache(LoggerThreshold.Debug, $"Client wrote [{cs.Input}]");
IAsyncResult readResult = cs.NetStream.BeginRead(cs.ReadBuffer, 0, cs.ReadBuffer.Length, new AsyncCallback(this.readCallback), cs);
this.ReadDone.WaitOne();
}
catch (Exception ex)
{
logger.Cache(LoggerThreshold.Error, ex.ToString());
}
if ((cs != null) && (cs.NetStream != null))
{
cs.NetStream.Close();
}
if (client.Connected)
{
client.Close();
}
logger.Cache(LoggerThreshold.Debug, "Client disconected from server");
logger.Flush();
return((cs != null) ? cs.Response.ToString() : string.Empty);
}
private void readCallback(IAsyncResult asyncResult)
{
try
{
AsyncClientState cs = (AsyncClientState)asyncResult.AsyncState;
int bytesRead = cs.NetStream.EndRead(asyncResult);
cs.AppendResponse(bytesRead);
if (cs.NetStream.DataAvailable)
{
cs.NetStream.BeginRead(cs.ReadBuffer, 0, cs.ReadBuffer.Length, new AsyncCallback(this.readCallback), cs);
}
else
{
this.logger.Cache(LoggerThreshold.Debug, $"Client has read [{cs.Response}]");
this.ReadDone.Set();
}
}
catch (Exception ex)
{
logger.Log(LoggerThreshold.Error, ex.ToString());
}
}