SDK: wait for devices to be in running

fairmq/sdk/DDSSession.cxx

@@ -170,7 +170,7 @@ auto DDSSession::SubmitAgents(Quantity agents) -> void
     fImpl->fSession.sendRequest<dds::tools_api::SSubmitRequest>(submitRequest);
     blocker.Wait();
 
-    // Not perfect, but best we can do 
+    // perfect
     WaitForIdleAgents(agents);
 }
 

fairmq/sdk/DDSSession.h

@@ -80,6 +80,7 @@ class DDSSession
     };
     auto RequestCommanderInfo() -> CommanderInfo;
     auto WaitForIdleAgents(Quantity) -> void;
+    auto WaitForOnlyIdleAgents() -> void;
     auto WaitForExecutingAgents(Quantity) -> void;
     auto ActivateTopology(const Path& topoFile) -> void;
     auto ActivateTopology(DDSTopology) -> void;

fairmq/sdk/Topology.cxx

@@ -94,6 +94,8 @@ Topology::Topology(DDSTopology topo, DDSSession session)
             if (parts[2] != "OK") {
                 LOG(error) << "state-changes-unsubscription failed with return code: " << parts[2];
             }
+        } else if (parts[1] == "could not queue") {
+            LOG(warn) << "Could not queue " << parts[2] << " transition on " << senderId;
         }
     });
     fDDSSession.StartDDSService();