void OnAcceptAsync(object _obj, SocketAsyncEventArgs _acceptArgs)
{
Console.WriteLine("New Client connect");
identity++;
//---------------------------------------
//신규접속 유저 신규소켓 > Pool에서 하나 꺼내서 달아주기.
//신규유저 받는 전용 소켓은 재등록 해주고...
//---------------------------------------
Socket _clientSocket = _acceptArgs.AcceptSocket;
Socket _acceptSocket = acceptSocket;
_acceptArgs.AcceptSocket = null;
bool _bAccept = _acceptSocket.AcceptAsync(_acceptArgs);
if (Protocol.DEBUG)
{
Console.WriteLine((_acceptSocket == acceptSocket) + ":" + (acceptArgs == _acceptArgs));
}
if (_bAccept == false)
{
//접속대기 등록하자마자 -> 신규유저 바로 접속은 없다
//
//50 대기중 발생안함
//100 대기중 발생안함
//120 대기중 발생안함.
Console.WriteLine("[{0}] >>> #### OnAcceptAsync2 > _acceptSocket.AcceptAsync 신규유저받기 후 다시 신규유저 들어옴...", identity);
OnAcceptAsync(_acceptSocket, _acceptArgs);
}
//---------------------------------------
// pool -> client setting infomation
//---------------------------------------
CUserToken _token = listFreeUser.Dequeue();
//if (_token.bProblemData)
//{
// //_token 문제가 있는놈이다
// // > 뎅글링 클래스로 나둬버림...
// // > GC가 호출해감....
// //새것으로 다시 뺴오자..~~~
// _token = listFreeUser.Dequeue();
//}
_token.socket = _clientSocket;
listConnectUser.Add(_token);
_token.identityID = identity;
//-------------------------------------------------------------------
// 이중으로 ReceiveAsync 등록시 오류
//_bReceive = _clientSocket.ReceiveAsync(_token.receiveArgs);
//_bReceive = _clientSocket.ReceiveAsync(_token.receiveArgs); < -이놈이 발생...
//System.InvalidOperationException: '"이 SocketAsyncEventArgs 인스턴스를 사용하여 비동기 소켓 작업이 이미 진행되고 있습니다.";'
//
// 서버가 오류발생....
//
// 클라에 오류가 발생 전달... 클라를 닫으면 아래의 메세지가 그제서야 들어옴...
//System.InvalidOperationException: "이 SocketAsyncEventArgs인스턴스를 사용하여 비동기 소켓 작업이 이미 진행되고 있습니다.";
//System.Net.Sockets.SocketAsyncEventArgs.StartOperationCommon(Socket socket)
//System.Net.Sockets.Socket.ReceiveAsync(SocketAsyncEventArgs e)
//TimeServer10.Program.OnAcceptAsync(Object _obj, SocketAsyncEventArgs _acceptArgs) 파일 D:\devtool\study\study\_Lesson_NetStep1\20_TcpAsyncSample\FreeNetTest2\TimeServer10\TimeServer10\Program.cs:줄 123
//System.Net.Sockets.SocketAsyncEventArgs.OnCompleted(SocketAsyncEventArgs e)
//System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
//System.Net.Sockets.SocketAsyncEventArgs.FinishOperationSuccess(SocketError socketError, Int32 bytesTransferred, SocketFlags flags)
//System.Net.Sockets.SocketAsyncEventArgs.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped * nativeOverlapped)
//System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped * pOVERLAP)
//-------------------------------------------------------------------
bool _bReceive = _clientSocket.ReceiveAsync(_token.receiveArgs);
//_bReceive = _clientSocket.ReceiveAsync(_token.receiveArgs);
if (_bReceive == false)
{
//50 대기중 발생안함
//100 대기중 발생안함
//120 대기중 발생안함.
//등록하자마자 바로 데이타 받음...
//
//서버가 과부하 상태에서 신규 유저 접속하자 마자 바로 종료하는 경우...
//100% 발생함...데이타 대량으로 오고 가는중에 발생....
// > 접속 종료에 대한 메세지를 받은 것임.. ㅎㅎㅎ
// 접속 -> 대기중... 음... 바로 -> 바로 종료.... 발생....(종료 메세지)
Console.WriteLine("[{0}] #### OnAcceptAsync1 > _clientSocket.ReceiveAsync 메세지 받기(1) 등록하자마사 바로 받음.", _token.identityID);
OnReceiveAsync(_clientSocket, _token.receiveArgs);
}
Console.WriteLine("[{0}]connect free:{1} use:{2}", _token.identityID, listFreeUser.Count, listConnectUser.Count);
}
void OnReceiveAsync(object _obj, SocketAsyncEventArgs _receiveArgs)
{
CUserToken _token = _receiveArgs.UserToken as CUserToken;
if (Protocol.DEBUG)
{
Console.WriteLine("[{0}] OnReceiveAsync >> socket:{1} BytesTransferred:{2} LastOperation:{3} SocketError:{4}",
_token.identityID,
_token.socket.Connected,
_receiveArgs.BytesTransferred,
_receiveArgs.LastOperation,
_receiveArgs.SocketError);
}
if (_receiveArgs.LastOperation == SocketAsyncOperation.Receive &&
_receiveArgs.SocketError == SocketError.Success &&
_receiveArgs.BytesTransferred > 0)
{
SocketAsyncEventArgs _sendArgs = _token.sendArgs;
Socket _socket = _token.socket;
//---------------------------------------
// Client -> Socket -> Receive
//---------------------------------------
//int _transferred = _receiveArgs.BytesTransferred;
//Array.Copy(_receiveArgs.Buffer, _receiveArgs.Offset, _token.receiveBuffer2, 0, _transferred);
_token.ReceiveRead(_receiveArgs.Buffer, _receiveArgs.Offset, _receiveArgs.BytesTransferred);
bool _bReceive = _socket.ReceiveAsync(_receiveArgs);
if (Protocol.DEBUG)
{
Console.WriteLine("[{0}] _bReceive {1} {2}", _token.identityID, _bReceive, _socket.Connected);
}
if (_socket.Connected == false)
{
//갑자기 종료하면 발생함....
//20개에서도 발생함...
Disconnect(" >>>> OnReceiveAsync 받을때 소켓꺼짐", _token);
return;
}
else if (_bReceive == false)
{
//등록하자마사 바로 데이타 받음...
Console.WriteLine("[{0}] #### OnReceiveAsync > _socket.ReceiveAsync 메세지 받기(2) 등록하자마사 바로 받음.{1}", _token.identityID, _socket.Connected);
OnReceiveAsync(null, _receiveArgs);
}
////Data Parse and Send...
//string _text = Encoding.ASCII.GetString(_token.receiveBuffer2, 0, _transferred);
//if (Protocol.DEBUG_PACKET_SHOW) Console.WriteLine("message:{0}", _text);
//string _response = string.Empty;
//if (Protocol.DEBUG_PACKET) Console.WriteLine(_token.identityID + ":" + _text);
//if (_text.ToLower().Equals("get time"))
//{
// _response = "[C <- S] OK Time Server9";
//}
//else
//{
// _response = "[C <- S] Fail";
//}
//byte[] _sendBuffer2 = Encoding.ASCII.GetBytes(_response);
//int _sendSize = _sendBuffer2.Length;
//Array.Copy(_sendBuffer2, 0, _sendArgs.Buffer, _sendArgs.Offset, _sendSize);
//_sendArgs.SetBuffer(_sendArgs.Offset, _sendSize);
//=======================================================
//이부분에서 130개를 넘어가면 오류가 메모리 오류...
//그 근처에서 메모리 오류가 먼저 발생해준다. (메모리는 충분한데... win7내 컴에서 종종 나타난다...)
//2G까지만 (Person win7)
//bool _bSend = true;
//try
//{
// _bSend = _socket.SendAsync(_sendArgs);
//}
//catch (Exception _e)
//{
// Console.WriteLine(" >>> OnReceiveAsync _socket.SendAsync _e:{0}", _e);
// Disconnect(" <<<< ***보낼려고 하는데 어 아직 안보낸것이 있네...***", _token, true);
// return;
//}
//if (Protocol.DEBUG) Console.WriteLine("[{0}] _bSend {1} {2}", _token.identityID, _bSend, _socket.Connected);
//
//
//if (_socket.Connected == false)
//{
// Disconnect(" <<<< 보낼때1", _token);
// return;
//}
//if (_bSend == false)
//{
// Console.WriteLine("[{0}] #### OnReceiveAsync _socket.SendAsync -> 보내기(1) 등록하자마사 바로 받음.{1}", _token.identityID, _socket.Connected);
// OnSendAsync(_socket, _sendArgs);
//}
}
else
{
Console.WriteLine("OnReceiveAsync [종료인듯] >>> :{0} :{1} :{2} :{3} :{4}",
_token.identityID,
_token.socket.Connected,
_receiveArgs.BytesTransferred,
_receiveArgs.LastOperation,
_receiveArgs.SocketError
);
Disconnect("정상", _token);
}
}
