/// <summary>
/// Handler for the read event
/// </summary>
/// <param name="ar">Result information</param>
private void ReadCallbackHandler(IAsyncResult ar)
{
try
{
// Read data from the client socket.
int bytesRead = sock_.EndReceive(ar);
if (bytesRead > 0)
{
// Bump used size.
usedSize_ += bytesRead;
// Notify the handlers
ReadEventArgs readEv = new ReadEventArgs(this, data_, usedSize_, DefaultReceiveSize);
if (OnReceiveData != null)
{
try
{
OnReceiveData(this, readEv);
}
catch { }
}
if (readEv.NextReadSize > 0)
{
this.PostReceive(readEv.NextReadSize, !readEv.AppendToBuffer);
}
}
else // socket closed
{
this.Close(true);
if (OnEndSession != null)
{
DisconnectEventArgs discEv = new DisconnectEventArgs(this, null);
try
{
OnEndSession(this, discEv);
}
catch { }
}
}
}
catch (SocketException ex)
{
if (sock_.Connected == false && !isClosed_)
{
this.Close(true);
if (OnEndSession != null)
{
DisconnectEventArgs discEv = new DisconnectEventArgs(this, null);
try
{
OnEndSession(this, discEv);
}
catch { }
}
}
else if (isClosed_ == false && OnFailure != null)
{
ErrorEventArgs errEv = new ErrorEventArgs(this, ErrorEventArgs.SocketOperation.Receive, ex);
try
{
OnFailure(this, errEv);
}
catch { }
}
}
}
/// <summary>
/// Handler for the connect operation
/// </summary>
/// <param name="ar">Result information</param>
private void AcceptCallbackHandler(IAsyncResult ar)
{
// Signal the main thread to continue.
listenInfo_.acceptingEvent_.Set();
try
{
// Get the socket that handles the client request.
Socket handler = sock_.EndAccept(ar);
// Create the state object.
SocketClient scNew = new SocketClient(handler);
// Notify the client application
ConnectEventArgs connEv = new ConnectEventArgs(scNew, listenInfo_.ReadSize);
if (OnStartSession != null)
{
try
{
OnStartSession(this, connEv);
}
catch { }
}
if (scNew.IsConnected)
{
// If we are auto-wireup events then do so.
if (connEv.AutoConnect == true)
{
if (this.OnEndSession != null)
{
foreach (Delegate d in this.OnEndSession.GetInvocationList())
{
scNew.OnEndSession += (EventHandler <SocketEventArgs>)d;
}
}
if (this.OnFailure != null)
{
foreach (Delegate d in this.OnFailure.GetInvocationList())
{
scNew.OnFailure += (EventHandler <SocketEventArgs>)d;
}
}
if (this.OnReceiveData != null)
{
foreach (Delegate d in this.OnReceiveData.GetInvocationList())
{
scNew.OnReceiveData += (EventHandler <SocketEventArgs>)d;
}
}
if (this.OnSendDataComplete != null)
{
foreach (Delegate d in this.OnSendDataComplete.GetInvocationList())
{
scNew.OnSendDataComplete += (EventHandler <SocketEventArgs>)d;
}
}
}
if (connEv.NextReadSize > 0)
{
scNew.PostReceive(connEv.NextReadSize, true);
}
}
}
catch (ObjectDisposedException)
{
// Ignore and exit.
}
catch (SocketException ex)
{
if (OnFailure != null)
{
ErrorEventArgs errEv = new ErrorEventArgs(this, ErrorEventArgs.SocketOperation.Accept, ex);
try
{
OnFailure(this, errEv);
}
catch { }
}
}
}