evcloudsvc: response to /record request with error message when terminal offline

opencv-motion-detect/evcloudsvc.cpp

@@ -1456,6 +1456,8 @@ public:
                 // find slicer id by camera sn
                 if(this->peerData["ipcStatus"].count(sn) != 0) {
                     auto dsn = this->peerData["ipcStatus"][sn]["mgrTerminal"]["sn"].get<string>();
+                    if(this->peerData["ipcStatus"][sn]["mgrTerminal"]["online"].get<bool>()){
+                        // online
                         json j = getConfigForDevice(dsn);
                         if(j["code"] == 0) {
                             for(auto &[k,v]:j["data"].items()){
@@ -1468,8 +1470,6 @@ public:
                                 }
                             }
                         }
-                }
-
                         if(evslicer.size() > 0) {
                             auto target = evslicer["sn"].get<string>() + ":evslicer:" + to_string(evslicer["iid"].get<int>());
                             json payload = json();
@@ -1481,6 +1481,15 @@ public:
                             payload["data"]["start"] = start;
                             payload["data"]["end"] = end;
                             ret = this->handleCmd(payload);
+                        }else{
+                            ret["code"] = 3;
+                            ret["msg"] = dsn + " invalid config for slicer";
+                        }
+                    }else{
+                        // offline
+                        ret["code"] = 2;
+                        ret["msg"] = dsn + " terminal off line";
+                    }
                 }
             }
             catch(exception &e) {