java - azure iothub device status -


getconnectionstate() connected /disconnected depending on device .if sending message should see connected , if not sending should disconnected .but each time run below java program getting status disconnected irrespective of device sending messages or not 

registrymanager registrymanager = registrymanager.createfromconnectionstring(connectionstring);     system.out.println(registrymanager.getdevices(new integer(1000)));     while(true){     arraylist<device> deviceslist=registrymanager.getdevices(new integer(1000));     for(device device:deviceslist)     {         /*system.out.println(device.getdeviceid());         system.out.println(device.getprimarykey());         system.out.println(device.getsecondarykey());*/         system.out.println(device.getdeviceid());         system.out.println(device.getconnectionstate());         /*system.out.println(device.getconnectionstateupdatedtime());         system.out.println(device.getlastactivitytime());         system.out.println(device.getstatusreason());         system.out.println(device.getstatusupdatedtime());         system.out.println(device.getsymmetrickey());         system.out.println(device.getetag()); */  }     }

i seeing otherwise.

i'm creating simple c# console application using code below,

    static async void querydevices()     {         registrymanager manager = registrymanager.createfromconnectionstring(connectionstring);         while (true)         {             var devices = await manager.getdevicesasync(100);             {                 foreach (var item in devices)                 {                     console.writeline(datetime.now + ": " + item.id + ", " + item.connectionstate);                      system.threading.thread.sleep(100);                 }             }         }     }

the git here query whole device list, because connectionstate property somehow looks "static" memebers of single device client instance, not apt-to change when actual state changes.

and output below, "connected" state when i'm using java client sample send message iot hub.

enter image description here


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