public override void AfterReceive(Buffer buffer, int length)
{
if (rxTransformReady)
{
BufferTransform.InverseTransform(buffer, length);
}
}
public override bool BeforeSend(Buffer buffer, int length)
{
if (txTransformReady)
{
BufferTransform.Transform(buffer, length);
return true;
}
return false;
}
public override void Release()
{
if (ReferenceEquals(BufferTransform, null))
{
return;
}
BufferTransform.Dispose();
BufferTransform = null;
}
public override bool Process(Event e)
{
switch (e.GetTypeId())
{
case (int)LinkEventType.HandshakeReq:
{
var req = (HandshakeReq)e;
var resp = new HandshakeResp { _Transform = false };
byte[] response = null;
try
{
ManualResetEvent waitHandle =
SignalPool.Acquire(Session.InternalHandle);
waitHandle.WaitOne(new TimeSpan(0, 0, 30));
SignalPool.Release(Session.InternalHandle);
response = BufferTransform.Handshake(req.Data);
}
catch (Exception ex)
{
Trace.Error("{0} {1} error handshaking : {2}",
Session.Link.Name, Session.InternalHandle, ex.ToString());
}
if (response != null)
{
resp.Data = response;
}
Session.Send(resp);
}
break;
case (int)LinkEventType.HandshakeResp:
{
var ack = new HandshakeAck { _Transform = false };
var resp = (HandshakeResp)e;
try
{
if (BufferTransform.FinalizeHandshake(resp.Data))
{
rxTransformReady = true;
ack.Result = true;
}
}
catch (Exception ex)
{
Trace.Error("{0} {1} error finishing handshake : {2}",
Session.Link.Name, Session.InternalHandle, ex.ToString());
}
Session.Send(ack);
}
break;
case (int)LinkEventType.HandshakeAck:
{
var ack = (HandshakeAck)e;
bool result = ack.Result;
if (result)
{
txTransformReady = true;
}
Session.Link.OnLinkSessionConnectedInternal(result, (result ? Session: null));
}
break;
default:
return false;
}
return true;
}