private void ProcessSend(AsyncClientArgs client)
{
if (client.SocketError != SocketError.Success)
{
Log.Error("{0}: {1}", client.RemoteEndPoint, client.SocketError);
}
_clientPool.Release(client);
}
private void ProcessSend(AsyncClientArgs args)
{
if (args.SocketError == SocketError.Success)
{
Log.Debug("{0} < {1}", args.AcceptSocket.RemoteEndPoint, args.UTF8Message);
}
else
{
Log.Error("{0} < {1}", args.AcceptSocket.RemoteEndPoint, args.SocketError);
}
CloseClientConnection(args);
}
private void CloseClientConnection(AsyncClientArgs args)
{
try
{
args.AcceptSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Log.Debug(ex.Message);
}
args.AcceptSocket.Close();
// освобождаем ресурс для следующего клиента
_clientPool.Release(args);
}
private void ProcessReceive(AsyncClientArgs args)
{
// если данные получены
if (args.SocketError == SocketError.Success)
{
if (args.BytesTransferred > 0)
{
var message = args.UTF8Message;
Log.Debug("{0} > {1}", args.AcceptSocket.RemoteEndPoint, message);
// передаем сообщение логическому серверу и получаем ответ
message = LogicServer.GetResponse(message);
if (message == null)
{
CloseClientConnection(args);
return;
}
args.UTF8Message = message;
// посылаем сообщение обратно клиенту
if (!args.AcceptSocket.SendAsync(args))
{
ProcessSend(args);
}
}
else
{
// клиент закончил передачу сообщения
CloseClientConnection(args);
}
}
else
{
Log.Error("{0} > {1}", args.AcceptSocket.RemoteEndPoint, args.SocketError);
CloseClientConnection(args);
}
}
private void ProcessReceive(AsyncClientArgs client)
{
switch (client.SocketError)
{
case SocketError.Success:
if (client.BytesTransferred > 0)
{
var request = client.UTF8Message;
// send request to logic server and get the response
var response = LogicServer.GetResponse(request);
// send response to client, if it is not empty
if (response != null)
{
client.UTF8Message = response;
if (!client.AcceptSocket.SendToAsync(client))
{
ProcessSend(client);
}
}
Log.Debug("{0}: {1} -> {2}", client.RemoteEndPoint, request, response);
}
break;
case SocketError.OperationAborted:
_clientPool.Release(client);
return;
default:
Log.Error("{0}: {1}", client.RemoteEndPoint, client.SocketError);
_clientPool.Release(client);
break;
}
StartReceiving();
}