Example #1
0
        private void ConnectCB(IAsyncResult rez)
        {
            var _tcp = rez.AsyncState as TcpClient;

            try {
                _tcp.EndConnect(rez);
                _stream = new MqStreamer(_tcp, Received, SendIdle);
                var id       = string.Format("{0}_{1:X4}", Environment.MachineName, System.Diagnostics.Process.GetCurrentProcess().Id);
                var ConnInfo = new MqConnect();
                ConnInfo.keepAlive    = (ushort)(KEEP_ALIVE / 900);
                ConnInfo.cleanSession = true;
                ConnInfo.clientId     = id;
                if (_uName != null)
                {
                    ConnInfo.userName = _uName;
                    if (_uPass != null)
                    {
                        ConnInfo.userPassword = _uPass;
                    }
                }
                this.Send(ConnInfo);
                _tOut.Change(3000, KEEP_ALIVE); // better often than never
            }
            catch (Exception ex) {
                var se = ex as SocketException;
                if (se != null && (se.SocketErrorCode == SocketError.ConnectionRefused || se.SocketErrorCode == SocketError.TryAgain || se.SocketErrorCode == SocketError.TimedOut))
                {
                    status = Status.Disconnected;
                    _tOut.Change((new Random()).Next(KEEP_ALIVE * 3, KEEP_ALIVE * 6), Timeout.Infinite);
                }
                else
                {
                    status = Status.NotAccepted;
                    _tOut.Change(Timeout.Infinite, Timeout.Infinite);
                }
                Log.Warning("{0} Connection FAILED - {1}", this.Signature, ex.Message);
            }
        }
Example #2
0
 public void Stop() {
   if(_stream!=null) {
     if(_connected) {
       _connected=false;
       _owner.Unsubscribe("/#", OwnerChanged);
       _owner.Remove();
       _tOut.Change(Timeout.Infinite, Timeout.Infinite);
       if(StatusChg!=null) {
         StatusChg(_connected);
       }
       _stream.Close();
       _stream=null;
       Log.Info("{0} Disconnected", BrokerName);
     }
   }
 }
Example #3
0
    private void ConnectCB(IAsyncResult rez) {
      var _tcp=rez.AsyncState as TcpClient;
      try {
        _tcp.EndConnect(rez);
        _stream=new MqStreamer(_tcp, Received, SendIdle);
        _stream.isSndPaused=true;
        var re=((IPEndPoint)_stream.Socket.Client.RemoteEndPoint);
        try {
          BrokerName=Dns.GetHostEntry(re.Address).HostName;
        }
        catch(SocketException) {
          BrokerName=re.Address.ToString();
        }
        _owner=_mq.Get<MqClient>(BrokerName);
        _owner.value=this;
        _connected=false;
        string id=Topic.root.Get<string>("/local/cfg/id").value;
        if(string.IsNullOrEmpty(id)) {
          id=string.Format("{0}@{1}_{2:X4}", Environment.UserName, Environment.MachineName, System.Diagnostics.Process.GetCurrentProcess().Id);
        }
        ConnInfo.clientId=id;
        ConnInfo.userName=_settings.Get<string>("_username");
        _settings.Get<string>("_username").saved=true;
        ConnInfo.userPassword=_settings.Get<string>("_password");
        _settings.Get<string>("_password").saved=true;
        if(string.IsNullOrEmpty(ConnInfo.userName) && addr=="localhost") {
          ConnInfo.userName="******";
          ConnInfo.userPassword=string.Empty;
        }

        this.Send(ConnInfo);
        _owner.Subscribe("/#", OwnerChanged);
        _tOut.Change(3000, _keepAliveMS);       // more often than not
      }
      catch(Exception ex) {
        Log.Error("Connect to {0}:{1} failed, {2}", addr, port, ex.Message);
        if(StatusChg!=null) {
          StatusChg(false);
        }
        _tOut.Change(_keepAliveMS*5, Timeout.Infinite);
      }
    }
Example #4
0
    public bool Reconnect(bool slow=false) {
      if(_stream!=null) {
        if(_connected) {
          _connected=false;
          if(StatusChg!=null) {
            StatusChg(_connected);
          }
          _tOut.Change(_keepAliveMS*2, Timeout.Infinite);
        } else {
          _tOut.Change(_keepAliveMS*(slow?10:5), Timeout.Infinite);
        }
        _stream.Close();
        _stream=null;
        return false;
      }
      if(slow) {
        _tOut.Change(_keepAliveMS*5, Timeout.Infinite);
        return false;
      }
      string connectionstring=_settings.Get<string>("_URL").value;
      _settings.Get<string>("_URL").saved=true;
      _settings.Get<string>("_username").saved=true;
      _settings.Get<string>("_password").saved=true;
      if(string.IsNullOrEmpty(connectionstring)) {
        return false;
      }
      if(connectionstring=="#local") {
        connectionstring="localhost";
      }

      if(connectionstring.IndexOf(':')>0) {
        addr=connectionstring.Substring(0, connectionstring.IndexOf(':'));
        port=int.Parse(connectionstring.Substring(connectionstring.IndexOf(':')+1));
      } else {
        addr=connectionstring;
        port=1883;
      }
      TcpClient _tcp=new TcpClient();
      _tcp.SendTimeout=900;
      _tcp.ReceiveTimeout=0;
      _tcp.BeginConnect(addr, port, new AsyncCallback(ConnectCB), _tcp);
      return true;
    }