private void ParseInPacket(byte[] addr, byte[] buf) {
if(addr[0]==0) {
Log.Warning("Packet with broadcast address via {0}:{1:X2}:{2}", _port.PortName, BitConverter.ToString(addr), BitConverter.ToString(buf));
return;
}
Topic devR=Topic.root.Get("/dev");
var msgTyp=(MsMessageType)(buf[0]>1?buf[1]:buf[3]);
if(msgTyp==MsMessageType.SEARCHGW) {
PrintPacket(null, new MsSearchGW(buf) { Addr=addr }, buf);
this.Send(new MsGwInfo(_gwAddr) { Addr=new byte[] { 0 } });
} else if(msgTyp==MsMessageType.CONNECT) {
var msg=new MsConnect(buf) { Addr=addr };
if(addr[0]==_gwAddr) {
_advTick=DateTime.Now.AddSeconds(2.6); // Send Advertise in 2.6 sec.
}
if(addr[0]==0xFF) {
PrintPacket(null, msg, buf);
Send(new MsConnack(MsReturnCode.Accepted) { Addr=msg.Addr });
byte[] nAddr=new byte[1];
var r=new Random(DateTime.Now.Millisecond);
do {
nAddr[0]=(byte)(8+r.Next(0xF6)); //0x08 .. 0xFE
} while(devR.children.Select(z => z.GetValue() as MsDevice).Any(z => z!=null && nAddr.SequenceEqual(z.Addr)));
Log.Info("{0} new addr={1}", msg.ClientId, BitConverter.ToString(nAddr));
var pm=new MsPublish(null, PredefinedTopics[".cfg/XD_DeviceAddr"], QoS.AtLeastOnce) { Addr=msg.Addr, MessageId=1, Data=nAddr };
Send(pm);
} else { // msg.Addr!=0xFF
DVar<MsDevice> dev=devR.Get<MsDevice>(msg.ClientId); //
if(!msg.CleanSession && (dev.value==null || !dev.value.Addr.SequenceEqual(msg.Addr) || dev.value.state==State.Disconnected || dev.value.state==State.Lost)) {
PrintPacket(dev, msg, buf);
Send(new MsConnack(MsReturnCode.InvalidTopicId) { Addr=msg.Addr });
return;
}
if(dev.value==null) {
dev.value=new MsDevice();
}
dev.value._gate=this;
if(dev.value.Addr==null || !msg.Addr.SequenceEqual(dev.value.Addr)) {
dev.value.Addr=msg.Addr;
}
PrintPacket(dev, msg, buf);
Thread.Sleep(0);
dev.value.Connect(msg);
if(msg.Addr[0]==_gwAddr) {
dev.value.via=_port.PortName;
_gwTopic=dev;
} else {
dev.value.via= _gwTopic==null?string.Empty:_gwTopic.name;
}
} // msg.Addr!=0xFF
} else { // msgType==Connect
MsDevice dev=devR.children.Select(z => z.GetValue() as MsDevice).FirstOrDefault(z => z!=null && z.Addr!=null && addr.SequenceEqual(z.Addr) && z._gate==this);
if(dev!=null && dev.state!=State.Disconnected && dev.state!=State.Lost) {
dev.ParseInPacket(buf);
} else {
if(dev==null || dev.Owner==null) {
Log.Debug("unknown device: [{0:X2}:{1}]", addr[0], BitConverter.ToString(buf));
} else {
Log.Debug("inactive device: [{0}:{1}]", dev.Owner.name, BitConverter.ToString(buf));
}
Send(new MsDisconnect() { Addr=addr });
}
}
}
private void Connect(MsConnect msg) {
Addr=msg.Addr;
if(msg.CleanSession) {
foreach(var s in _subsscriptions) {
Owner.Unsubscribe(s.path, s.func);
}
_subsscriptions.Clear();
_topics.Clear();
lock(_sendQueue) {
_sendQueue.Clear();
}
_waitAck=false;
}
_duration=msg.Duration*1100;
ResetTimer();
if(msg.Will) {
_willPath=string.Empty;
_wilMsg=null;
if(state!=State.ASleep) {
Log.Info("{0}.state {1} => WILLTOPICREQ", Owner.path, state);
}
state=State.WillTopic;
Send(new MsMessage(MsMessageType.WILLTOPICREQ));
} else {
if(state!=State.ASleep) {
Log.Info("{0}.state {1} => PreConnect", Owner.path, state);
state=State.PreConnect;
} else {
state=State.Connected;
}
Send(new MsConnack(MsReturnCode.Accepted));
}
Stat(false, MsMessageType.CONNECT, msg.CleanSession);
}
private void ParseInPacket(byte[] buf, byte[] addr) {
Topic devR=Topic.root.Get("/dev");
var msgTyp=(MsMessageType)(buf[0]>1?buf[1]:buf[3]);
if(msgTyp==MsMessageType.GWINFO || msgTyp==MsMessageType.ADVERTISE) {
return;
} else if(msgTyp==MsMessageType.SEARCHGW) {
PrintPacket(null, new MsSearchGW(buf) { Addr=addr }, buf);
this.Send(new MsGwInfo(gwIdx) { Addr=IPAddress.Broadcast.GetAddressBytes() });
} else if(msgTyp==MsMessageType.CONNECT) {
var msg=new MsConnect(buf) { Addr=addr };
DVar<MsDevice> dev=devR.Get<MsDevice>(msg.ClientId);
if(!msg.CleanSession && (dev.value==null || dev.value.Addr!=msg.Addr || dev.value.state==State.Disconnected || dev.value.state==State.Lost)) {
PrintPacket(dev, msg, buf);
Send(new MsConnack(MsReturnCode.NotSupportes) { Addr=msg.Addr });
return;
}
if(dev.value==null) {
dev.value=new MsDevice();
}
dev.value._gate=this;
if(dev.value.Addr==null || !msg.Addr.SequenceEqual(dev.value.Addr)) {
dev.value.Addr=msg.Addr;
}
PrintPacket(dev, msg, buf);
Thread.Sleep(0);
dev.value.Connect(msg);
dev.value.via="UDP";
} else { // msgType==Connect
MsDevice dev=devR.children.Select(z => z.GetValue() as MsDevice).FirstOrDefault(z => z!=null && z.Addr!=null && addr.SequenceEqual(z.Addr) && z._gate==this);
if(dev!=null && dev.state!=State.Disconnected && dev.state!=State.Lost) {
dev.ParseInPacket(buf);
} else {
if(_verbose.value) {
if(dev==null || dev.Owner==null) {
Log.Debug("unknown device: {0}:{1}", BitConverter.ToString(addr), BitConverter.ToString(buf));
} else {
Log.Debug("inactive device: [{0}] {1}:{2}", dev.Owner.name, BitConverter.ToString(addr), BitConverter.ToString(buf));
}
}
Send(new MsDisconnect() { Addr=addr });
}
}
}