private void ProcessAccept(SocketAsyncEventArgs acceptEventArgs)
{
Debug.WriteLog.Log(eLogLevel.ell_Debug,
"Client connection accepted. Local Address: " + acceptEventArgs.AcceptSocket.LocalEndPoint + ", Remote Address: " + acceptEventArgs.AcceptSocket.RemoteEndPoint);
AsyncSocketUserToken userToken = m_asyncSocketUserTokenPool.Pop();
m_asyncSocketUserTokenList.Add(userToken); //添加到正在连接列表
userToken.ConnectSocket = acceptEventArgs.AcceptSocket;
userToken.ConnectDateTime = DateTime.Now;
try
{
bool willRaiseEvent = userToken.ConnectSocket.ReceiveAsync(userToken.ReceiveEventArgs); //投递接收请求
if (!willRaiseEvent)
{
lock (userToken)
{
ProcessReceive(userToken.ReceiveEventArgs);
}
}
}
catch (Exception E)
{
Debug.WriteLog.Log(eLogLevel.ell_Error, E.StackTrace);
}
StartAccept(acceptEventArgs); //把当前异步事件释放，等待下次连接
}
/// <summary>
/// 接收链接后的处理过程
/// </summary>
/// <param name="e"></param>
private void ProcessAccept(SocketAsyncEventArgs e)
{
//从连接池中分配一个连接赋给当前连接
AsyncSocketUserToken userToken = m_asyncSocketUserTokenPool.Pop();
AsyncSocketUserTokenList.Add(userToken); //添加到正在连接列表
userToken.ConnectSocket = e.AcceptSocket;
userToken.ConnectDateTime = DateTime.Now;
try
{
// As soon as the client is connected, post a receive to the connection
bool willRaiseEvent = userToken.ConnectSocket.ReceiveAsync(userToken.ReceiveEventArgs);
if (!willRaiseEvent)
{
lock (userToken)
{
ProcessReceive(userToken.ReceiveEventArgs);
}
}
}
catch (Exception E)
{
Program.Logger.ErrorFormat("Accept client {0} error, message: {1}, trace:{2}", userToken.ConnectSocket, E.Message, E.StackTrace);
//Program.Logger.Error(E.StackTrace);
}
// Accept the next connection request
StartAccept(e);
}
/// <summary>
/// 监听Socket接受处理
/// </summary>
/// <param name="e">SocketAsyncEventArg associated with the completed accept operation.</param>
private void ProcessAccept(SocketAsyncEventArgs e)
{
if (!IsRunning)
{
return;
}
if (e.SocketError == SocketError.Success)
{
Socket s = e.AcceptSocket;//和客户端关联的socket
if (s.Connected)
{
try
{
_stopWaitSem.WaitOne(); // 服务器是否正在停止
if (!IsRunning)
{
_stopWaitSem.Release();
return;
}
Interlocked.Increment(ref _clientCount);//原子操作加1
Log4Debug(String.Format("客户端 {0} 连入, 当前 {1} 个连接。", s.RemoteEndPoint.ToString(), _clientCount));
AsyncSocketUserToken userToken = _userTokenPool.Pop();
userToken.ConnectSocket = s;
userToken.RemoteEndPoint = userToken.ConnectSocket.RemoteEndPoint;
userToken.ConnectTime = DateTime.Now;
ConnectedClients.Add(userToken);
_stopWaitSem.Release();
if (userToken.ConnectSocket != null)
{
if (!userToken.ConnectSocket.ReceiveAsync(userToken.RecvEventArgs))//投递接收请求
{
ProcessReceive(userToken.RecvEventArgs);
}
}
}
catch (SocketException ex)
{
Log4Debug(DateTime.Now.ToString("yyyyMMdd hhMMss.fff") + " ProcessAccept Error:" + ex.Message + "\r\n" + ex.StackTrace);
Error2File("ProcessAccept Error:" + ex.Message + "\r\n" + ex.StackTrace);
//TODO 异常处理
}
//投递下一个接受请求
StartAccept(e);
}
}
}