feat(ping): implement scoped request handling and cancellation for ping requests to improve performance and resource management

.cursor/debug-378b5f.log

@@ -1 +1 @@
-{"sessionId":"378b5f","runId":"baseline","hypothesisId":"H1_H2","location":"frontend/src/lib/api.js:request","message":"API request started","data":{"method":"GET","url":"/alerts"},"timestamp":1771911695277}
+{"sessionId":"378b5f","runId":"baseline","hypothesisId":"H1_H2","location":"frontend/src/lib/api.js:request","message":"API request started","data":{"method":"GET","url":"/alerts"},"timestamp":1771911955281}

frontend/src/EasySwitchManager.jsx

@@ -53,7 +53,7 @@ function EasySwitchManager() {
   const [expandedServers, setExpandedServers] = useState(new Set()); // Развернутые серверы
   const [groupByTags, setGroupByTags] = useState(true); // Группировка по тегам
   // Единый источник пингов (кеш + API) — общий с страницей фильтров
-  const { pingMap, requestPings } = usePing();
+  const { pingMap, requestPings, cancelScope } = usePing();
   const location = useLocation();
 
   useEffect(() => {
@@ -115,9 +115,20 @@ function EasySwitchManager() {
         if (gw.ip) pingTasks.push({ routerId, gatewayIp: gw.ip });
       });
     });
-    requestPings(pingTasks);
+    requestPings(pingTasks, { scope: 'easy-switch' });
   }, [location.pathname, servers, inventoryServers, requestPings]);
 
+  useEffect(() => {
+    if (location.pathname === '/easy-switch') return;
+    cancelScope('easy-switch');
+  }, [location.pathname, cancelScope]);
+
+  useEffect(() => {
+    return () => {
+      cancelScope('easy-switch');
+    };
+  }, [cancelScope]);
+
   const loadDataWithParams = async (communities, inventory, ncGatewaysParam, signal) => {
     setLoading(true);
     setError('');
@@ -258,7 +269,7 @@ function EasySwitchManager() {
           if (gw.ip) pingTasks.push({ routerId, gatewayIp: gw.ip });
         });
       });
-      requestPings(pingTasks);
+      requestPings(pingTasks, { scope: 'easy-switch' });
 
       // Отладочная информация
       try {

frontend/src/contexts/PingContext.jsx

@@ -16,6 +16,8 @@ const PING_CACHE_TTL_MS = 2 * 60 * 1000; // 2 минуты
 export function PingProvider({ children }) {
   const [pingMap, setPingMap] = useState({});
   const inFlightRef = useRef(new Set());
+  const controllersRef = useRef(new Map()); // key -> AbortController
+  const keyScopesRef = useRef(new Map()); // key -> scope
   const pingMapRef = useRef(pingMap);
   const timestampsRef = useRef({}); // key → Date.now() когда запись установлена
   pingMapRef.current = pingMap;
@@ -44,8 +46,10 @@ export function PingProvider({ children }) {
    * Пропускаются ключи с валидным кешем (не истёк TTL) и уже запрашиваемые.
    * @param tasks Array<{ routerId, gatewayIp }>
    */
-  const requestPings = useCallback((tasks) => {
+  const requestPings = useCallback((tasks, options = {}) => {
     if (!Array.isArray(tasks) || tasks.length === 0) return;
+    const scope = String(options?.scope || 'default');
+    const force = Boolean(options?.force);
 
     const toRequest = [];
     tasks.forEach(({ routerId, gatewayIp }) => {
@@ -53,40 +57,71 @@ export function PingProvider({ children }) {
       if (!routerId || !ip) return;
       const key = getKey(routerId, ip);
       if (!key) return;
-      if (isCacheValid(key)) return;
+      if (!force && isCacheValid(key)) return;
       if (inFlightRef.current.has(key)) return;
       inFlightRef.current.add(key);
       toRequest.push({ routerId, ip, key });
     });
 
+    // #region agent log
+    fetch('http://192.168.10.2:7343/ingest/aa002dd6-6968-4a35-b09d-f05302d83266',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'378b5f'},body:JSON.stringify({sessionId:'378b5f',runId:'post-fix',hypothesisId:'H6',location:'frontend/src/contexts/PingContext.jsx:requestPings',message:'Ping batch scheduled',data:{scope,count:toRequest.length,force},timestamp:Date.now()})}).catch(()=>{});
+    // #endregion
+
     toRequest.forEach(({ routerId, ip, key }) => {
+      const controller = new AbortController();
+      controllersRef.current.set(key, controller);
+      keyScopesRef.current.set(key, scope);
       api
         .post('/mikrotik/ping', {
           serverId: routerId,
           gatewayIp: ip,
           count: PING_COUNT,
-        })
+        }, { signal: controller.signal })
         .then(({ data }) => {
           const value = typeof data?.avgMs === 'number' ? Math.round(data.avgMs) : null;
           timestampsRef.current[key] = Date.now();
           setPingMap((prev) => ({ ...prev, [key]: value }));
         })
         .catch((e) => {
+          if (e?.code === 'ERR_CANCELED' || e?.name === 'CanceledError' || e?.name === 'AbortError') {
+            // #region agent log
+            fetch('http://192.168.10.2:7343/ingest/aa002dd6-6968-4a35-b09d-f05302d83266',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'378b5f'},body:JSON.stringify({sessionId:'378b5f',runId:'post-fix',hypothesisId:'H6',location:'frontend/src/contexts/PingContext.jsx:ping-canceled',message:'Ping request canceled',data:{routerId:String(routerId||''),gatewayIp:String(ip||''),scope:String(keyScopesRef.current.get(key)||'')},timestamp:Date.now()})}).catch(()=>{});
+            // #endregion
+            return;
+          }
           console.warn('PingContext: failed to fetch ping for', routerId, ip, e?.message || e);
           timestampsRef.current[key] = Date.now();
           setPingMap((prev) => ({ ...prev, [key]: null }));
         })
         .finally(() => {
           inFlightRef.current.delete(key);
+          controllersRef.current.delete(key);
+          keyScopesRef.current.delete(key);
         });
     });
   }, [isCacheValid]);
 
+  const cancelScope = useCallback((scope) => {
+    const scopeName = String(scope || '');
+    if (!scopeName) return;
+    let canceled = 0;
+    controllersRef.current.forEach((controller, key) => {
+      if (keyScopesRef.current.get(key) === scopeName) {
+        controller.abort();
+        canceled += 1;
+      }
+    });
+    // #region agent log
+    fetch('http://192.168.10.2:7343/ingest/aa002dd6-6968-4a35-b09d-f05302d83266',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'378b5f'},body:JSON.stringify({sessionId:'378b5f',runId:'post-fix',hypothesisId:'H6',location:'frontend/src/contexts/PingContext.jsx:cancelScope',message:'Canceled ping scope',data:{scope:scopeName,canceled},timestamp:Date.now()})}).catch(()=>{});
+    // #endregion
+  }, []);
+
   const value = {
     pingMap,
     getPing,
     requestPings,
     getKey,
+    cancelScope,
   };
 
   return (