protected void ConnectToServer(Boolean isReconnect)
{
if (!isReconnect)
{
LogManager.LogStatus("{0} starting", name);
}
if (tcpClientSocket != null)
{
if (tcpClientSocket.Connected)
{
return;
}
try
{
tcpClientSocket.Close();
}
catch (Exception)
{
}
finally
{
tcpClientSocket = null;
}
}
if (isReconnect && AutoReconnectWhenConnectionIsLost)
{
LogManager.LogStatus("Connection lost to server {0}. Reconnecting", RemoteIPEndPoint.ToString());
}
if ((!isReconnect || (isReconnect && AutoReconnectWhenConnectionIsLost)) && listenerState != ListenerStates.Stopped && listenerState != ListenerStates.Stopping)
{
listenerState = ListenerStates.Connecting;
tcpClientSocket = new Socket(LocalIPEndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
tcpClientSocket.Blocking = false;
tcpClientSocket.BeginConnect(RemoteIPEndPoint, new AsyncCallback(OnConnectedToServer), tcpClientSocket);
}
}
protected void OnConnectedToServer(IAsyncResult asyncResult)
{
if (tcpClientSocket == null)
{
return;
}
try
{
tcpClientSocket.EndConnect(asyncResult);
LogManager.LogStatus("{0} connected to {1}{2} ", name, address, (port == null ? String.Empty : ":" + port.Value.ToString()));
if (tcpClientSocket.Connected)
{
listenerState = ListenerStates.Running;
if (listenerState == ListenerStates.Running)
{
OnConnectedToServer(tcpClientSocket);
}
}
else
{
ConnectToServer(true);
}
}
catch (SocketException se)
{
if (se.SocketErrorCode == SocketError.TimedOut && (listenerState != ListenerStates.Stopping || listenerState != ListenerStates.Stopped))
{
int retryInterval = ConfigurationAppSettingsWrapper <int> .GetValue("Tcp Connection retry interval");
LogManager.LogError("Timed out connecting to {0}. Retrying", RemoteIPEndPoint.ToString());
connectWaitEvent.Reset();
connectWaitEvent.WaitOne(new TimeSpan(0, 0, 0, 0, retryInterval));
try
{
if (tcpClientSocket != null)
{
tcpClientSocket.BeginConnect(RemoteIPEndPoint, new AsyncCallback(OnConnectedToServer), tcpClientSocket);
}
}
catch (Exception)
{
if (listenerState != ListenerStates.Stopping || listenerState != ListenerStates.Stopped)
{
throw;
}
}
}
else if (se.SocketErrorCode == SocketError.ConnectionRefused && (listenerState != ListenerStates.Stopping || listenerState != ListenerStates.Stopped))
{
int retryInterval = ConfigurationAppSettingsWrapper <int> .GetValue("Tcp Connection retry interval");
LogManager.LogError("Unable to connect to {0}. Retrying", RemoteIPEndPoint.ToString());
connectWaitEvent.Reset();
connectWaitEvent.WaitOne(new TimeSpan(0, 0, 0, 0, retryInterval));
try
{
if (tcpClientSocket != null)
{
tcpClientSocket.BeginConnect(RemoteIPEndPoint, new AsyncCallback(OnConnectedToServer), tcpClientSocket);
}
}
catch (Exception)
{
if (listenerState != ListenerStates.Stopping || listenerState != ListenerStates.Stopped)
{
throw;
}
}
}
else
{
LogManager.LogError(se);
}
}
}
/// <summary>
/// 处理连接
/// </summary>
/// <param name="ct">信号量</param>
public void ProcessConnect(System.Threading.CancellationToken ct)
{
int count = 60;
Logger.Debug("定时处理客户端连接服务开始运行");
while (IsProcessRun)
{
try
{
if (ct.IsCancellationRequested)
{
break;
}
if (!easyClient.IsConnected)
{
Logger.Debug($"客户端状态不正常: {easyClient.IsConnected} 即将重启启动 服务地址:【{RemoteIPEndPoint.ToString()}】"); AckMessageQueue.Clear();
var t = easyClient.ConnectAsync(RemoteIPEndPoint);
Task.WaitAll(t);
if (t.Result)
{
string str = Newtonsoft.Json.JsonConvert.SerializeObject(TopicMode);
System.Threading.Interlocked.Increment(ref _instanceNumber);
AckMessageQueue.Enqueue(Common.MQTools.GetMQDataInfoMessage((byte)Common.CommanCode.CreateTopic, str, _instanceNumber, mqType: 1));
Logger.Info($"客户端重新启动:【成功】添加主题消息队列【{AckMessageQueue.Count}】,编号:【{_instanceNumber}】内容:【{str}】");
count = 60;
continue;
}
Logger.Debug($"客户端状态不正常:【重启失败】 服务地址:【{RemoteIPEndPoint.ToString()}】");
}
else if (count == 60)
{
if (ct.IsCancellationRequested)
{
break;
}
AckFlag = true;
//Logger.Debug("开始定时处理客户端确认消息队列");
//if (AckMessageQueue.Count > 0)
//{
// var model = AckMessageQueue.Peek();
// Logger.Info($"定时处理:【{easyClient.LocalEndPoint}】确认消息:【{model.ToString()}】");
// easyClient.Send(Common.MQTools.GetSendMessageByte(model));
//}
//Logger.Debug("结束定时处理客户端确认消息队列");
}
count--;
if (count % 20 == 0 && easyClient.IsConnected)//心跳
{
Logger.Debug($"客户端:【{easyClient.LocalEndPoint}】开始推送心跳消息");
easyClient.Send(Common.MQTools.GetSendMessage((byte)Common.CommanCode.Heartbeat, "", 0));
Logger.Debug("结束推送心跳消息");
}
if (count <= 0)
{
count = 60;
}
}
catch (Exception e)
{
Logger.Error("处理确认消息失败", e);
}
if (ct.IsCancellationRequested)
{
break;
}
System.Threading.Thread.Sleep(this.Interval);
}
Logger.Debug("定时处理客户端连接服务结束运行");
}
