internal virtual void DataArrival(IAsyncResult asyncResult)
{
var bytesRecived = 0;
try { bytesRecived = ConnectionSocket.EndReceive(asyncResult); }
catch (Exception)
{
//Client quit unexpectantly
}
if (bytesRecived != 0)
{
var data = new byte[bytesRecived];
Array.Copy(DataBuffer, data, bytesRecived);
OnPacket(data);
try
{
ConnectionSocket.BeginReceive(DataBuffer, 0, DataBuffer.Length, SocketFlags.None, new AsyncCallback(DataArrival), null);
}
catch (Exception e)
{
Console.WriteLine("Error occured recieving packet!");
}
}
else
{
Disconnect();
}
}
internal virtual void DataArrival(IAsyncResult asyncResult)
{
var bytesRecived = 0;
try
{
// TODO: Foi Forçado o cancelamento de uma conexão pelo host remoto.
bytesRecived = ConnectionSocket.EndReceive(asyncResult);
}
catch (Exception e)
{
var trace = new StackTrace(e, true);
Log.Print(LogType.Error,
$"{e.Message}: {e.Source}" +
$"{trace.GetFrame(trace.FrameCount - 1).GetFileName()}:{trace.GetFrame(trace.FrameCount - 1).GetFileLineNumber()}");
}
if (bytesRecived != 0)
{
var data = new byte[bytesRecived];
Array.Copy(DataBuffer, data, bytesRecived);
OnPacket(data);
try
{
// TODO: Cannot access a disposed object.
ConnectionSocket.BeginReceive(DataBuffer, 0, DataBuffer.Length, SocketFlags.None, DataArrival,
null);
}
catch (SocketException e)
{
var trace = new StackTrace(e, true);
Log.Print(LogType.Error,
$"{e.Message}: {e.Source}" +
$"{trace.GetFrame(trace.FrameCount - 1).GetFileName()}:{trace.GetFrame(trace.FrameCount - 1).GetFileLineNumber()}");
ConnectionSocket.Close();
}
catch (Exception e)
{
var trace = new StackTrace(e, true);
Log.Print(LogType.Error,
$"{e.Message}: {e.Source}" +
$"{trace.GetFrame(trace.FrameCount - 1).GetFileName()}:{trace.GetFrame(trace.FrameCount - 1).GetFileLineNumber()}");
}
}
else
{
Disconnect();
}
}
public virtual void DataArrival(IAsyncResult asyncResult)
{
var bytesRecived = 0;
try
{
bytesRecived = ConnectionSocket.EndReceive(asyncResult);
}
catch (Exception e)
{
var trace = new StackTrace(e, true);
Log.Print(LogType.Error,
$"{e.Message}: {e.Source}" +
$"{trace.GetFrame(trace.FrameCount - 1).GetFileName()}:{trace.GetFrame(trace.FrameCount - 1).GetFileLineNumber()}");
}
if (bytesRecived != 0)
{
var data = new byte[bytesRecived];
Array.Copy(DataBuffer, data, bytesRecived);
OnPacket(data);
try
{
ConnectionSocket.BeginReceive(DataBuffer, 0, DataBuffer.Length, SocketFlags.None, DataArrival,
null);
}
catch (SocketException e)
{
var trace = new StackTrace(e, true);
Log.Print(LogType.Error,
$"{e.Message}: {e.Source}" +
$"{trace.GetFrame(trace.FrameCount - 1).GetFileName()}:{trace.GetFrame(trace.FrameCount - 1).GetFileLineNumber()}");
ConnectionSocket.Close();
}
catch (Exception e)
{
var trace = new StackTrace(e, true);
Log.Print(LogType.Error,
$"{e.Message}: {e.Source}" +
$"{trace.GetFrame(trace.FrameCount - 1).GetFileName()}:{trace.GetFrame(trace.FrameCount - 1).GetFileLineNumber()}");
}
}
else
{
Disconnect();
}
}
public AbstractSession(int connectionID, Socket connectionSocket)
{
this.ConnectionID = connectionID;
this.ConnectionSocket = connectionSocket;
this.DataBuffer = new byte[BufferSize];
try
{
ConnectionSocket.BeginReceive(DataBuffer, 0, DataBuffer.Length, SocketFlags.None, DataArrival, null);
}
catch (SocketException)
{
Disconnect();
}
}
private void ReadCallback(IAsyncResult ar)
{
try
{
int bytesRead = ConnectionSocket.EndReceive(ar);
if (bytesRead > 0)
{
streamParser.Push(buffer, 0, bytesRead);
ConnectionSocket.BeginReceive(buffer, 0, BUFFERSIZE, 0, new AsyncCallback(ReadCallback), null);
}
}
catch (Exception ex)
{
LogTools.Write(this.SessionId, ex, "Connection.ReadCallback");
}
}
/// <summary>
///
/// </summary>
/// <param name="reintentos"></param>
protected void Listen(int reintentos)
{
if (ConnectionSocket == null)
{
return;
}
try
{
ConnectionSocket.BeginReceive(dataBuffer, 0, dataBuffer.Length, 0, Read, null);
}
catch
{
if (reintentos < 3)
{
Listen(reintentos + 1);
}
else
{
Dispose();
}
}
}
private int AsyncReceive(out byte[] data, int timeout)
{
data = new byte[ReceiveBufferSize];
IAsyncResult receiveResult = ConnectionSocket.BeginReceive(data, 0, ReceiveBufferSize, SocketFlags.None, null, null);
bool success = false;
if (timeout > 0)
{
success = receiveResult.AsyncWaitHandle.WaitOne(timeout, true);
}
else if (timeout == 0)
{
success = receiveResult.AsyncWaitHandle.WaitOne();
}
if (!success)
{
data = null;
ConnectionSocket.Dispose();
return(-1);
}
int size = ConnectionSocket.EndReceive(receiveResult);
if (size > 0)
{
TrimData(ref data, size);
}
else
{
data = null;
}
return(size);
}
private void Listen()
{
ConnectionSocket.BeginReceive(dataBuffer, 0, dataBuffer.Length, 0, Read, null);
}
/// <summary> /// Listens for incoming data /// </summary> private void Listen() => ConnectionSocket.BeginReceive(_dataBuffer, _dataBufferOffset, _dataBuffer.Length - _dataBufferOffset, 0, Read, null);