protected ClientContext AddNewClient(Socket newClient)
{
ClientContext context = null;
if (_clientContextPool == null)
{
context = new ClientContext();
context.SockAsyncArgs = new SocketAsyncEventArgs();
byte[] asyncBuffer = new byte[_tcpConfig.SocketAsyncBufferSize];
context.SockAsyncArgs.SetBuffer(asyncBuffer, 0, asyncBuffer.Length);
}
else
{
context = _clientContextPool.Pop();
}
context.ClientSocket = newClient;
context.ClientID = (long)newClient.Handle;
context.Status = ClientStatus.Connected;
if (_tcpConfig.ReceiveDataMaxSpeed != TcpConfig.NotLimited)
{
context.RecvSpeedController.LimitSpeed = _tcpConfig.ReceiveDataMaxSpeed;
context.RecvSpeedController.Enabled = true;
}
if (_tcpConfig.SendDataMaxSpeed != TcpConfig.NotLimited)
{
context.SendController.LimitSpeed = _tcpConfig.SendDataMaxSpeed;
context.SendController.Enabled = true;
}
context.SockAsyncArgs.Completed += SockAsyncArgs_Completed;
IPEndPoint remoteIPEnd = (IPEndPoint)newClient.RemoteEndPoint;
//save original ip end point, so we can always get the remote ip end point even the socket is closed.
context.IPEndPoint = new IPEndPoint(remoteIPEnd.Address, remoteIPEnd.Port);
bool bOK = _clients.TryAdd((long)newClient.Handle, context);
if (this is TcpClientEx)
{
System.Diagnostics.Trace.Assert(bOK, $"client:add new client failed:{this.GetHashCode()} {newClient.Handle}");
}
else
{
System.Diagnostics.Trace.Assert(bOK, $"server:add new client failed:{this.GetHashCode()} {newClient.Handle}");
}
context.SockAsyncArgs.UserToken = (long)newClient.Handle;
ClientStatusChangedEventArgs eventArgs = new ClientStatusChangedEventArgs()
{
ClientID = context.ClientID,
IPEndPoint = newClient.RemoteEndPoint as IPEndPoint,
Status = ClientStatus.Connected
};
OnClientStatusChanged(false, eventArgs, null);
if (!newClient.ReceiveAsync(context.SockAsyncArgs))
{
ProcessReceive(context.SockAsyncArgs);
}
return(context);
}
protected override void OnClientStatusChanged(bool isInThread, ClientStatusChangedEventArgs args, HashSet <string> clientGroups)
{
if (args.Status == ClientStatus.Closed)
{
RemoveClientFromGroup(args.ClientID, clientGroups);
}
ClientStatusChanged?.Invoke(this, args);
}
protected override void OnClientStatusChanged(bool isInThread, ClientStatusChangedEventArgs args, HashSet <string> groups)
{
ClientStatus status = args.Status;
if (status == ClientStatus.Connected)
{
SetStatusAndNotify(status);
}
else if (status == ClientStatus.Closed)
{
if (!_autoReconnect)
{
_isRunning = false;
//if (isInThread)
//{
// _syncContext.Post((state) =>
// {
// SetStatusAndNotify(ClientStatus.Closed);
// }, null);
//}
//else
//{
// SetStatusAndNotify(ClientStatus.Closed);
//}
SetStatusAndNotify(ClientStatus.Closed);
}
else
{
if (!_isRunning)
{
SetStatusAndNotify(ClientStatus.Closed);
//_syncContext.Post((state) =>
//{
// SetStatusAndNotify(ClientStatus.Closed);
//}, null);
return;
}
SetStatusAndNotify(ClientStatus.Connecting);
//_syncContext.Post((state) =>
//{
// AfterConnect(false);
//SetStatusAndNotify(ClientStatus.Connecting);
ThreadEx.Start(() =>
{
//reconnect to server 2 seconds later
_reconnectWaitEvent.WaitOne(2000);
if (_isRunning)
{
InitClientSocket();
ConnectAsyncInner(null);
}
});
//}, null);
}
}
}
private void SetStatusAndNotify(ClientStatus status)
{
if (status == _clientStatus)
{
return;
}
_clientStatus = status;
var args = new ClientStatusChangedEventArgs()
{
ClientID = _clientID,
IPEndPoint = (IPEndPoint)_serverEndPoint,
Status = _clientStatus
};
Task.Factory.StartNew((obj) =>
{
ClientStatusChanged?.Invoke(this, (ClientStatusChangedEventArgs)obj);
}, args);
}
protected void CloseClient(bool isInThread, long clientID)
{
if (_clients.TryRemove(clientID, out ClientContext clientContext))
{
IPEndPoint ipEndPt = clientContext.IPEndPoint;
clientContext.Status = ClientStatus.Closed;
clientContext.ClientSocket.Close();
clientContext.ClientSocket.Dispose();
clientContext.SockAsyncArgs.Completed -= SockAsyncArgs_Completed;
ClientStatusChangedEventArgs eventArgs = new ClientStatusChangedEventArgs()
{
ClientID = clientID,
IPEndPoint = ipEndPt,
Status = ClientStatus.Closed
};
OnClientStatusChanged(isInThread, eventArgs, clientContext.Groups);
if (_clientContextPool != null)
{
clientContext.Reset();
_clientContextPool.Push(clientContext);
}
}
}
protected virtual void OnClientStatusChanged(bool isInThread, ClientStatusChangedEventArgs args, HashSet <string> clientGroups)
{
}