protected override bool Process(Event e)
{
switch (e.GetTypeId())
{
case BuiltinEventType.HeartbeatEvent:
// Do nothing
break;
default:
return base.Process(e);
}
return true;
}
protected override bool Process(Event e)
{
switch (e.GetTypeId())
{
case (int)SocketLinkEventType.KeepaliveEvent:
break;
default:
return base.Process(e);
}
return true;
}
protected override void OnEventSent(Event e)
{
hasSent = true;
if (e.GetTypeId() != BuiltinEventType.HeartbeatEvent)
{
Log.Debug("{0} {1} sent event {2}",
link.Name, InternalHandle, e);
}
else
{
Log.Trace("{0} {1} sent event {2}",
link.Name, InternalHandle, e);
}
base.OnEventSent(e);
}
protected override void LogEventSent(Event e)
{
hasSent = true;
if (e.GetTypeId() != SocketLinkEventType.KeepaliveEvent)
{
Log.Debug("{0} {1} sent event {2}", link.Name, Handle, e);
}
else
{
Log.Trace("{0} {1} sent event {2}", link.Name, Handle, e);
}
base.LogEventSent(e);
}
protected virtual 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 =
LinkWaitHandlePool.Acquire(InternalHandle);
waitHandle.WaitOne(new TimeSpan(0, 0, 30));
LinkWaitHandlePool.Release(InternalHandle);
response = BufferTransform.Handshake(req.Data);
}
catch (Exception ex)
{
Log.Error("{0} {1} error handshaking : {2}",
link.Name, InternalHandle, ex.ToString());
}
if (response != null)
{
resp.Data = response;
}
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)
{
Log.Error("{0} {1} error finishing handshake : {2}",
link.Name, InternalHandle, ex.ToString());
}
Send(ack);
}
break;
case (int)LinkEventType.HandshakeAck:
{
var ack = (HandshakeAck)e;
bool result = ack.Result;
if (result)
{
txTransformReady = true;
}
link.OnLinkSessionConnectedInternal(result, (result ? this : null));
}
break;
case (int)LinkEventType.SessionReq:
if (link.SessionRecoveryEnabled && polarity == false)
{
var server = (ServerLink)link;
server.OnSessionReq(this, (SessionReq)e);
}
break;
case (int)LinkEventType.SessionResp:
if (link.SessionRecoveryEnabled && polarity == true)
{
var client = (ClientLink)link;
client.OnSessionResp(this, (SessionResp)e);
}
break;
case (int)LinkEventType.SessionAck:
if (link.SessionRecoveryEnabled && polarity == false)
{
var server = (ServerLink)link;
server.OnSessionAck(this, (SessionAck)e);
}
break;
case (int)LinkEventType.SessionEnd:
if (link.SessionRecoveryEnabled)
{
closing = true;
}
break;
default:
return false;
}
return true;
}
/// <summary>
/// Sends out the specified event through this link session.
/// </summary>
public void Send(Event e)
{
if (disposed && !link.SessionRecoveryEnabled)
{
Log.Warn("{0} {1} dropped {2}", link.Name, InternalHandle, e);
return;
}
lock (syncRoot)
{
if (link.SessionRecoveryEnabled && !disposed &&
!connected && e.GetTypeId() > 0) // not builtin events
{
Log.Info("{0} {1} pre-establishment buffered {2}",
link.Name, InternalHandle, e);
preConnectionQueue.Add(e);
return;
}
eventsToSend.Add(e);
if (txFlag || disposed)
{
//Log.Debug("{0} {1} buffered {2}", link.Name, InternalHandle, e);
return;
}
txFlag = true;
}
BeginSend();
}
protected virtual 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
{
response = BufferTransform.Handshake(req.Data);
}
catch (Exception ex)
{
Log.Error("{0} {1} error handshaking : {2}",
link.Name, Handle, ex.ToString());
}
if (response != null)
{
resp.Data = response;
}
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)
{
Log.Error("{0} {1} error finishing handshake : {2}",
link.Name, Handle, ex.ToString());
}
Send(ack);
}
break;
case (int)LinkEventType.HandshakeAck:
{
var ack = (HandshakeAck)e;
bool result = ack.Result;
if (result)
{
txTransformReady = true;
}
Link.NotifySessionConnected(result, (result ? this : null));
}
break;
default:
return false;
}
return true;
}
private void BeginSendTo(Event e)
{
int handle = e._Handle;
EndPoint endPoint;
using (new ReadLock(rwlock))
{
int count = map.Count;
if (count == 0)
{
Log.Error("{0} no known peers - dropped event {1}", Name, e);
goto next;
}
if (count == 1 && handle == 0)
{
endPoint = map.Values[0];
}
else
{
if (!map.TryGetValue(handle, out endPoint))
{
Log.Error("{0} unknown handle {1} - dropped event {2}",
Name, handle, e);
goto next;
}
}
}
// Apply the datagram length limit.
int length = e.GetLength();
if (length > txBuffer.BlockSize)
{
Log.Error("{0} dropped big event {1}", Name, e);
goto next;
}
txBuffer.Reset();
Serializer serializer = new Serializer(txBuffer);
serializer.Write(e.GetTypeId());
e.Serialize(serializer);
if (BufferTransform != null)
{
BufferTransform.Transform(txBuffer, (int)txBuffer.Length);
}
try
{
SendToInternal(endPoint);
Diag.IncrementEventsSent();
Log.Debug("{0} {1} sent event {2}", Name, handle, e);
return;
}
catch (ObjectDisposedException)
{
return;
}
catch (Exception ex)
{
Log.Info("{0} send error {1}", Name, ex);
}
next:
OnSendToInternal(0);
}
