public static MqMessage Parse(byte header, uint len, MemoryStream stream)
{
MqMessage msg = null;
switch ((MessageType)((header & 0xf0) >> 4))
{
case MessageType.CONNECT:
msg = new MqConnect(header, len, stream);
break;
case MessageType.CONNACK:
msg = new MqConnack(header, len, stream);
break;
case MessageType.DISCONNECT:
msg = new MqDisconnect(header, len, stream);
break;
case MessageType.PINGREQ:
msg = new MqPingReq(header, len, stream);
break;
case MessageType.PINGRESP:
msg = new MqPingResp(header, len, stream);
break;
case MessageType.PUBLISH:
msg = new MqPublish(header, len, stream);
break;
case MessageType.SUBSCRIBE:
msg = new MqSubscribe(header, len, stream);
break;
case MessageType.SUBACK:
msg = new MqSuback(header, len, stream);
break;
case MessageType.UNSUBSCRIBE:
msg = new MqUnsubscribe(header, len, stream);
break;
case MessageType.UNSUBACK:
msg = new MqUnsuback(header, len, stream);
break;
case MessageType.PUBACK:
case MessageType.PUBCOMP:
case MessageType.PUBREC:
case MessageType.PUBREL:
msg = new MqMsgAck(header, len, stream);
break;
}
return(msg);
}
public MqClient() {
_waitPingResp=false;
_mq=Topic.root.Get("/local/MQ");
ConnInfo=new MqConnect();
ConnInfo.cleanSession=true;
ConnInfo.keepAlive=this.KeepAlive;
_tOut=new Timer(new TimerCallback(TimeOut));
_settings=Topic.root.Get("/local/cfg/Client");
_subs=new List<Topic.Subscription>();
_now=Topic.root.Get<DateTime>("/var/now");
_nowOffset=_settings.Get<long>("TimeOffset");
}
public static MqMessage Parse(byte header, uint len, MemoryStream stream) {
MqMessage msg=null;
switch((MessageType)((header & 0xf0) >> 4)) {
case MessageType.CONNECT:
msg=new MqConnect(header, len, stream);
break;
case MessageType.CONNACK:
msg=new MqConnack(header, len, stream);
break;
case MessageType.DISCONNECT:
msg=new MqDisconnect(header, len, stream);
break;
case MessageType.PINGREQ:
msg=new MqPingReq(header, len, stream);
break;
case MessageType.PINGRESP:
msg=new MqPingResp(header, len, stream);
break;
case MessageType.PUBLISH:
msg=new MqPublish(header, len, stream);
break;
case MessageType.SUBSCRIBE:
msg=new MqSubscribe(header, len, stream);
break;
case MessageType.SUBACK:
msg=new MqSuback(header, len, stream);
break;
case MessageType.UNSUBSCRIBE:
msg=new MqUnsubscribe(header, len, stream);
break;
case MessageType.UNSUBACK:
msg=new MqUnsuback(header, len, stream);
break;
case MessageType.PUBACK:
case MessageType.PUBCOMP:
case MessageType.PUBREC:
case MessageType.PUBREL:
msg=new MqMsgAck(header, len, stream);
break;
}
return msg;
}
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);
}
}