// int loopZero = 3;
private void recvLoop()
{
int id = _threadId;
UdpClient conn = _clients[id];
Console.WriteLine("server ready...");
Console.WriteLine("accept client!");
//_sh.setStream(_client.GetStream(),_client.Client);
BeginAClient();
int errCount = 0;
while (id == _threadId)
{
funcRunningInServerLoopForClient();
if (_callBackFunc != null)
{
_callBackFunc();
}
int size = 0;
try
{
size = conn.Client.Receive(_tempRecvBuffer, SocketFlags.None);
_totalSize = size;
_recvPos = RecvPositions.AfterRecved;
}
catch {
break;
}
if (size <= 0)
{
errCount++;
if (errCount > 3)
{
if (conn.Client == null || conn.Client.Blocking == false || conn.Client.Connected == false)
{
//루프에서 나간다.
break;
}
else
{
try
{
conn.Client.Close();
}
catch { }
conn.Client = null;
break;
}
}
}
else
{
errCount = 0;
}
TransferEventArgs args = new TransferEventArgs(_id, _tempRecvBuffer, TransferEventArgs.TransferMode.Receive, size, size, "");
if (E_OnCanReceive != null)
{
E_OnCanReceive(this, args);
}
if (args.IsHandled == false && E_OnReceivedInQueue != null)
{
Byte[] buff = new byte[size];
Buffer.BlockCopy(_tempRecvBuffer, 0, buff, 0, size);
_queue.enqueueFrom(buff);
_recvPos = RecvPositions.AfterQueueEntered;
args = new TransferEventArgs(_id, _tempRecvBuffer, TransferEventArgs.TransferMode.Receive, size, _queue.Size, "");
if (E_OnReceivedInQueue != null)
{
E_OnReceivedInQueue(this, args);
}
}
/*
* if (available > 0)
* {
* //buff = new Byte[available];
*
* }
* else
* {
* //buff = new byte[_headerSize]; //available이 0일때는 다음에 도착할 header를 기다린다.
* size = this.Client.Receive(buff, 0, _headerSize, SocketFlags.None);
* }
* if (size > 0)
* {
* if (size == buff.Length) _queue.Enqueue(buff);
* else _queue.enqueueFrom(buff, 0, size);
*
* if (E_OnReceived != null) E_OnReceived(this, new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size));
* loopZero = 3;
* }
* else loopZero--;
*
* if (loopZero == 0 || size < 0)
* {
* if (E_NetError != null) E_NetError(this, new NetworkErrorEventArgs(_id, NetworkErrorEventArgs.NetErrorMsg.READ_TIMEOUT));
* break;
* }
* if (size == 0) continue;
*/
}
FinishAClient();
ConnectionEvent(ConnType.Disconnected);
//close();
//OnConnectionFailed("Connection closed..");
}
/// <summary>
/// 루프내부구문이다.
/// </summary>
/// <returns>true를 리턴하면 루프에서 빠져나가는 것이고, false를 리턴하면 continue하는 것이며, null을 리턴하면 그냥 진행한다.</returns>
protected bool?InRecvLoop(Byte[] buffer, Socket socket, int id, ref int totalSize, ref int errorCount, BufferQueue queue)
{
if (_callBackFunc != null)
{
return(_callBackFunc(buffer, socket, id, this));
}
int size = 0;
try
{
if (_recvMode == ReceiveModes.Header)
{
size = socket.Receive(buffer, 0, _headerSize, SocketFlags.None);
}
else if (_recvMode == ReceiveModes.Data)
{
size = socket.Receive(buffer, 0, _dataSizeToGet, SocketFlags.None);
}
else //all
{
size = socket.Receive(buffer, totalSize, 1, SocketFlags.None);//일단 1개를 받음..
if (socket.Available > 0)
{
size += socket.Receive(buffer, totalSize + 1, socket.Available, SocketFlags.None);//나머지를 받음.
}
}
_recvPos = RecvPositions.AfterRecved;
#region when size <= 0
if (size <= 0)
{
errorCount++; //접속된 직후 이 경우가 있을 수 있으므로..
if (errorCount > 3)
{
if (socket == null || socket.Blocking == false || socket.Connected == false)
{
//루프에서 나간다.
return(true);
}
else
{
try
{
socket.Close();
}
catch { }
RunConnectionEvent(ConnType.Disconnected, "error count==3", id);
socket = null;
}
errorCount = 0;
return(true);
}
return(false);
}
else
{
errorCount = 0;
}
#endregion
}
catch
{
if (E_NetError != null)
{
E_NetError(this, new NetworkErrorEventArgs(id, NetworkErrorEventArgs.NetErrorMsg.FAIL_WHEN_RECV_MSG));
}
return(true);
}
TransferEventArgs args;
if (_recvMode == ReceiveModes.Header || _recvMode == ReceiveModes.Data)
{
args = new TransferEventArgs(id, buffer, TransferEventArgs.TransferMode.Receive, size, size, "");
args.ReceiveMode = _recvMode;
}
else
//if (_recvMode == ReceiveModes.All)
{
totalSize += size;
args = new TransferEventArgs(id, buffer, TransferEventArgs.TransferMode.Receive, size, totalSize, "");
args.ReceiveMode = _recvMode;
}
if (E_OnCanReceive != null)
{
E_OnCanReceive(this, args);
}
if (_recvMode == ReceiveModes.All)
{
_recvMode = args.ReceiveMode;
_dataSizeToGet = args.DataSizeToGet;
if (args.IsHandled)
{
if (args.UsedSize > 0 &&
totalSize > args.UsedSize)
//직접처리했는데 버퍼에 있는 내용을 다 소비하지 않았다면..
{
//남은 부분을 앞으로 가져옴..
Buffer.BlockCopy(buffer, args.UsedSize, buffer, 0, totalSize - args.UsedSize);
totalSize -= args.UsedSize;
}
else//이 경우 모든 받은 내용을 처리했다고 가정한다.
{
totalSize = 0;//버퍼를 초기화한다. 제일 처음부터 받게 된다.
}
}
else if (E_OnReceivedInQueue != null) //직접처리하지 않았으므로, queue에 넣어줌..
{
queue.enqueueFrom(buffer, 0, totalSize);
_recvPos = RecvPositions.AfterQueueEntered;
totalSize = 0;
args = new TransferEventArgs(id, buffer, TransferEventArgs.TransferMode.Receive, size, queue.Size, "");
if (E_OnReceivedInQueue != null)
{
E_OnReceivedInQueue(this, args);
}
}
}
else if (_recvMode == ReceiveModes.Header)
{
_recvMode = args.ReceiveMode;
_dataSizeToGet = args.DataSizeToGet;
}
else if (_recvMode == ReceiveModes.Data)
{
_recvMode = args.ReceiveMode;
_dataSizeToGet = args.DataSizeToGet;
}
return(null);
}
// int loopZero = 3;
private void recvLoop()
{
Console.WriteLine("server ready...");
_isEndConnection = false;
Console.WriteLine("accept client!");
//_sh.setStream(_client.GetStream(),_client.Client);
BeginAClient();
int errCount = 0;
while (!_isEndConnection)
{
funcRunningInServerLoopForClient();
if (_callBackFunc != null)
{
_callBackFunc();
}
int size = 0;
try
{
size = _uSocket.ReceiveFrom(_tempRecvBuffer, ref _remoteEP);// 0, available, SocketFlags.None); ;
_totalSize = size;
}
catch
{
break;
}
_recvPos = RecvPositions.AfterRecved;
if (size <= 0)
{
errCount++;
if (errCount > 1)
{
if (_uSocket == null || _uSocket.Blocking == false || _uSocket.Connected == false)
{
//루프에서 나간다.
break;
}
else
{
try
{
_uSocket.Close();
}
catch { }
_uSocket = null;
break;
}
}
}
else
{
errCount = 0;
}
TransferEventArgs args = new TransferEventArgs(_id, _tempRecvBuffer, TransferEventArgs.TransferMode.Receive, size, _totalSize, "");
if (E_OnCanReceive != null)
{
E_OnCanReceive(this, args);
}
if (args.IsHandled == false && E_OnReceivedInQueue != null)
{
Byte[] buff = new byte[size];
Buffer.BlockCopy(_tempRecvBuffer, 0, buff, 0, size);
_queue.enqueueFrom(buff);
_recvPos = RecvPositions.AfterQueueEntered;
args = new TransferEventArgs(_id, _tempRecvBuffer, TransferEventArgs.TransferMode.Receive, size, _queue.Size, "");
if (E_OnReceivedInQueue != null)
{
E_OnReceivedInQueue(this, args);
}
}
/*
* if (_callBackFunc != null) _callBackFunc();
*
* int available = _uSocket.Available;
* Byte[] buff;
* int size;
* if (available > 0)
* {
* buff = new Byte[available];
* size = _uSocket.ReceiveFrom(buff, 0, available, SocketFlags.None, ref _remoteEP);
* }
* else
* {
* buff = _tempBuff; //available이 0일때는 다음에 도착할 header를 기다린다.
* _uSocket.Blocking = true;
* size = _uSocket.ReceiveFrom(buff, ref _remoteEP);
* totalCount++;
* }
* if (size > 0)
* {
* if (size == buff.Length) _queue.Enqueue(buff);
* else _queue.enqueueFrom(buff, 0, size);
* totalSize += (ulong)size;
* if (_queue.Size != (int)totalSize)
* {
* Console.Write("total size is not match to queueSize");
* }
* if (E_OnReceived != null) E_OnReceived(this, new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size));
*
* loopZero = 3;
* totalDataCount++;
*
*
* }
* else loopZero--;
*
* if (loopZero == 0 || size < 0)
* {
* if (E_NetError != null) E_NetError(this, new NetworkErrorEventArgs(_id, NetworkErrorEventArgs.NetErrorMsg.READ_TIMEOUT));
* break;
* }
* if (size == 0) continue;
*/
}
FinishAClient();
ConnectionEvent(ConnType.Disconnected);
//close();
//OnConnectionFailed("Connection closed..");
}
