/// <summary>
 /// Remove a Service server from this connection
 /// </summary>
 /// <param name="srv"></param>
 public void Unadvertise(ROSBridgeServiceProvider srv)
 {
     if (connected)
     {
         _ws.Send(ROSBridgeMsg.UnadvertiseService(srv.topic));
     }
     _serviceServers.Remove(srv);
 }
 public ServiceTask(ROSBridgeServiceProvider service, ServiceArgs request, string id)
 {
     _service = service;
     _request = request;
     _id      = id;
 }