HPCC-32603 prevent Grid network races

esp/src/package.json

@@ -44,7 +44,7 @@
     "@hpcc-js/chart": "2.84.1",
     "@hpcc-js/codemirror": "2.63.0",
     "@hpcc-js/common": "2.72.0",
-    "@hpcc-js/comms": "2.95.0",
+    "@hpcc-js/comms": "2.96.0",
     "@hpcc-js/dataflow": "8.1.7",
     "@hpcc-js/eclwatch": "2.75.3",
     "@hpcc-js/graph": "2.86.0",

esp/src/src-react/components/controls/Grid.tsx

@@ -237,12 +237,21 @@ const FluentStoreGrid: React.FunctionComponent<FluentStoreGridProps> = ({
         });
     });
 
+    const abortController = React.useRef<AbortController>();
+
+    React.useEffect(() => {
+        if (abortController.current) {
+            abortController.current.abort({ message: "Grid aborting stale request" });
+        }
+        abortController.current = new AbortController();
+    }, [query]);
+
     const refreshTable = useDeepCallback((clearSelection = false) => {
         if (isNaN(start) || isNaN(count)) return;
         if (clearSelection) {
             selectionHandler.setItems([], true);
         }
-        const storeQuery = store.query({ ...query }, { start, count, sort: sorted ? [sorted] : undefined });
+        const storeQuery = store.query({ ...query }, { start, count, sort: sorted ? [sorted] : undefined }, abortController.current.signal);
         storeQuery.total.then(total => {
             setTotal(total);
         });

esp/src/src/ESPWorkunit.ts

@@ -1082,11 +1082,11 @@ export function CreateWUQueryStore(): BaseStore<WsWorkunitsNS.WUQuery, typeof Wo
         count: "PageSize",
         sortBy: "Sortby",
         descending: "Descending"
-    }, "Wuid", request => {
+    }, "Wuid", (request, abortSignal) => {
         if (request.Sortby && request.Sortby === "TotalClusterTime") {
             request.Sortby = "ClusterTime";
         }
-        return service.WUQuery(request).then(response => {
+        return service.WUQuery(request, abortSignal).then(response => {
             const page = {
                 start: undefined,
                 end: undefined

esp/src/src/store/Deferred.ts

@@ -68,7 +68,7 @@ export class Deferred<T> implements Thenable<T> {
     }
 }
 
-export class DeferredResponse<T> extends Deferred<T[]>  {
+export class DeferredResponse<T> extends Deferred<T[]> {
 
     //  --- Legacy Dojo Support (fake QeuryResults) ---
     forEach(callback) {

esp/src/src/store/Paged.ts

@@ -16,7 +16,7 @@ function dataPage<T>(array: T[], start: number, size: number, total: number): Pa
     return retVal;
 }
 
-type FetchData<R, T> = (query: QueryRequest<R>) => Thenable<{ data: T[], total: number }>;
+type FetchData<R, T> = (query: QueryRequest<R>, abortSignal?: AbortSignal) => Thenable<{ data: T[], total: number }>;
 
 export interface RequestFields<T extends BaseRow> {
     start: keyof T;
@@ -43,7 +43,7 @@ export class Paged<R extends BaseRow = BaseRow, T extends BaseRow = BaseRow> ext
         this._fetchData = fetchData;
     }
 
-    fetchData(request: QueryRequest<R>, options: QueryOptions<T>): ThenableResponse<T> {
+    fetchData(request: QueryRequest<R>, options: QueryOptions<T>, abortSignal?: AbortSignal): ThenableResponse<T> {
         if (options.start !== undefined && options.count !== undefined) {
             request[this._requestFields.start] = options.start as any;
             request[this._requestFields.count] = options.count as any;
@@ -52,7 +52,7 @@ export class Paged<R extends BaseRow = BaseRow, T extends BaseRow = BaseRow> ext
             request[this._requestFields.sortBy] = options.sort[0].attribute as any;
             request[this._requestFields.descending] = options.sort[0].descending as any;
         }
-        return this._fetchData(request).then(response => {
+        return this._fetchData(request, abortSignal).then(response => {
             response.data.forEach(row => {
                 this.index[this.getIdentity(row)] = row;
             });

esp/src/src/store/Store.ts

@@ -1,5 +1,8 @@
 import * as QueryResults from "dojo/store/util/QueryResults";
 import { DeferredResponse, Thenable } from "./Deferred";
+import { scopedLogger } from "@hpcc-js/util";
+
+const logger = scopedLogger("src/store/Store.ts");
 
 //  Query  ---
 export type Key = string | number | symbol;
@@ -32,19 +35,21 @@ export abstract class BaseStore<R extends BaseRow, T extends BaseRow> {
         this.responseIDField = responseIDField;
     }
 
-    protected abstract fetchData(request: QueryRequest<R>, options: QueryOptions<T>): ThenableResponse<T>;
+    protected abstract fetchData(request: QueryRequest<R>, options: QueryOptions<T>, abortSignal?: AbortSignal): ThenableResponse<T>;
 
     abstract get(id: string | number): T;
 
     getIdentity(object): string | number {
         return object[this.responseIDField];
     }
 
-    protected query(request: QueryRequest<R>, options: QueryOptions<T>): DeferredResponse<T> {
+    protected query(request: QueryRequest<R>, options: QueryOptions<T>, abortSignal?: AbortSignal): DeferredResponse<T> {
         const retVal = new DeferredResponse<T>();
-        this.fetchData(request, options).then((data: QueryResponse<T>) => {
+        this.fetchData(request, options, abortSignal).then((data: QueryResponse<T>) => {
             retVal.total.resolve(data.total);
             retVal.resolve(data);
+        }, (err) => {
+            logger.debug(err);
         });
         return QueryResults(retVal);
     }