private void ProcessConnect(SocketAsyncEventArgs e)
{
AsyncToken token = (AsyncToken)e.UserToken;
if (!token.Socket.ConnectAsync(e))
{
NetworkOnConnect(null, e);
}
}
private void ProcessAccept(SocketAsyncEventArgs e)
{
AsyncToken token = (AsyncToken)e.UserToken;
e.AcceptSocket = null;
if (!token.Socket.AcceptAsync(e))
{
ThreadPool.QueueUserWorkItem(DispatchAccept, e);
}
}
private void NetworkOnAccept(object sender, SocketAsyncEventArgs e)
{
AsyncToken token = (AsyncToken)e.UserToken;
Socket socket = e.AcceptSocket;
ProcessAccept(e); // Start the next accept asap.
if (socket == null)
{
return; // Ignore errors because there is nothing to do
}
AsyncState state = new AsyncState(this, socket, AsyncOperation.Accept, token.Interface, token.User); // Now handle the current connection.
bool result = false;
try
{
result = state.Context.Interface.OnConnect(state.Context);
}
catch (Exception) { }
if (!result)
{
try
{
state.Context.Interface.OnError(state.Context, token.User); // Ensure the user can cleanup anything before the object dies
}
catch (Exception) { }
state.Cleanup(); // Cleanup the socket
return;
}
try
{
state.Read(); // Begin receiving data on the socket
}
catch (Exception)
{
state.Cleanup(); // Cleanup the object
return;
}
AddState(state); // Store the state to keep it alive
}
private void NetworkOnConnect(object sender, SocketAsyncEventArgs e)
{
AsyncToken token = (AsyncToken)e.UserToken;
Socket socket = e.ConnectSocket;
if (socket == null) // The connection failed
{
token.Interface.OnError(null, token.User); // There is no state object yet, so pass the user object
return;
}
AsyncState state = new AsyncState(this, socket, AsyncOperation.Connect, token.Interface, token.User); // Now handle the current connection.
bool result = false;
try
{
result = state.Context.Interface.OnConnect(state.Context);
}
catch (Exception) { }
if (!result)
{
try
{
state.Context.Interface.OnError(state.Context, token.User); // Ensure the user can cleanup anything before the object dies
}
catch (Exception) { }
state.Cleanup(); // Cleanup the object
return;
}
try
{
state.Read(); // Begin receiving data on the socket
}
catch (Exception)
{
state.Cleanup(); // Cleanup the object
return;
}
AddState(state); // Store the state to keep it alive
}