[Endpoint] use rbush to only render to DOM resolver nodes that are in view (#68957)

* [Endpoint] use rbush to only render resolver nodes that are in view in the DOM

* Add related events code back

* Change processNodePositionsAndEdgeLineSegments selector to return a function that takes optional bounding box

* Refactor selectors to not break original, and not run as often

* Memoize rtree search selector, fix tests

* Update node styles to use style hook, update jest tests

* Fix type change issue in jest test

x-pack/plugins/security_solution/package.json

@@ -16,9 +16,11 @@
     "@types/lodash": "^4.14.110"
   },
   "dependencies": {
+    "@types/rbush": "^3.0.0",
+    "@types/seedrandom": ">=2.0.0 <4.0.0",
     "lodash": "^4.17.15",
     "querystring": "^0.2.0",
-    "redux-devtools-extension": "^2.13.8",
+    "rbush": "^3.0.1",
-    "@types/seedrandom": ">=2.0.0 <4.0.0"
+    "redux-devtools-extension": "^2.13.8"
   }
 }

x-pack/plugins/security_solution/public/resolver/lib/aabb.ts

@@ -0,0 +1,14 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+import * as vector2 from './vector2';
+import { AABB } from '../types';
+
+/**
+ * Return a boolean indicating if 2 vector objects are equal.
+ */
+export function isEqual(a: AABB, b: AABB): boolean {
+  return vector2.isEqual(a.minimum, b.minimum) && vector2.isEqual(a.maximum, b.maximum);
+}

x-pack/plugins/security_solution/public/resolver/lib/vector2.ts

@@ -40,6 +40,13 @@ export function applyMatrix3([x, y]: Vector2, [m11, m12, m13, m21, m22, m23]: Ma
   return [x * m11 + y * m12 + m13, x * m21 + y * m22 + m23];
 }
 
+/**
+ * Returns a boolean indicating equality of two vectors.
+ */
+export function isEqual([x1, y1]: Vector2, [x2, y2]: Vector2): boolean {
+  return x1 === x2 && y1 === y2;
+}
+
 /**
  * Returns the distance between two vectors
  */

x-pack/plugins/security_solution/public/resolver/models/process_event.ts

@@ -24,6 +24,10 @@ function isValue(field: string | string[], value: string) {
   }
 }
 
+export function isTerminatedProcess(passedEvent: ResolverEvent) {
+  return eventType(passedEvent) === 'processTerminated';
+}
+
 /**
  * Returns a custom event type for a process event based on the event's metadata.
  */

x-pack/plugins/security_solution/public/resolver/store/data/__snapshots__/graphing.test.ts.snap

@@ -36,6 +36,9 @@ exports[`resolver graph layout when rendering two forks, and one fork has an ext
 Object {
   "edgeLineSegments": Array [
     Object {
+      "metadata": Object {
+        "uniqueId": "parentToMid",
+      },
       "points": Array [
         Array [
           0,
@@ -48,6 +51,9 @@ Object {
       ],
     },
     Object {
+      "metadata": Object {
+        "uniqueId": "midway",
+      },
       "points": Array [
         Array [
           0,
@@ -60,7 +66,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "",
+      },
       "points": Array [
         Array [
           0,
@@ -73,7 +81,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "",
+      },
       "points": Array [
         Array [
           395.9797974644666,
@@ -86,6 +96,9 @@ Object {
       ],
     },
     Object {
+      "metadata": Object {
+        "uniqueId": "parentToMid13",
+      },
       "points": Array [
         Array [
           197.9898987322333,
@@ -98,6 +111,9 @@ Object {
       ],
     },
     Object {
+      "metadata": Object {
+        "uniqueId": "midway13",
+      },
       "points": Array [
         Array [
           296.98484809834997,
@@ -110,7 +126,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "13",
+      },
       "points": Array [
         Array [
           296.98484809834997,
@@ -123,7 +141,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "14",
+      },
       "points": Array [
         Array [
           494.9747468305833,
@@ -136,6 +156,9 @@ Object {
       ],
     },
     Object {
+      "metadata": Object {
+        "uniqueId": "parentToMid25",
+      },
       "points": Array [
         Array [
           593.9696961966999,
@@ -148,6 +171,9 @@ Object {
       ],
     },
     Object {
+      "metadata": Object {
+        "uniqueId": "midway25",
+      },
       "points": Array [
         Array [
           692.9646455628166,
@@ -160,7 +186,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "25",
+      },
       "points": Array [
         Array [
           692.9646455628166,
@@ -173,7 +201,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "26",
+      },
       "points": Array [
         Array [
           890.9545442950499,
@@ -186,7 +216,9 @@ Object {
       ],
     },
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "67",
+      },
       "points": Array [
         Array [
           1088.9444430272833,
@@ -344,7 +376,9 @@ exports[`resolver graph layout when rendering two nodes, one being the parent of
 Object {
   "edgeLineSegments": Array [
     Object {
-      "metadata": Object {},
+      "metadata": Object {
+        "uniqueId": "",
+      },
       "points": Array [
         Array [
           0,

x-pack/plugins/security_solution/public/resolver/store/data/selectors.ts

@@ -4,6 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import rbush from 'rbush';
 import { createSelector } from 'reselect';
 import {
   DataState,
@@ -16,11 +17,20 @@ import {
   AdjacentProcessMap,
   Vector2,
   EdgeLineMetadata,
+  IndexedEntity,
+  IndexedEdgeLineSegment,
+  IndexedProcessNode,
+  AABB,
+  VisibleEntites,
 } from '../../types';
 import { ResolverEvent } from '../../../../common/endpoint/types';
-import { eventTimestamp } from '../../../../common/endpoint/models/event';
+import * as event from '../../../../common/endpoint/models/event';
 import { add as vector2Add, applyMatrix3 } from '../../lib/vector2';
-import { isGraphableProcess, uniquePidForProcess } from '../../models/process_event';
+import {
+  isGraphableProcess,
+  isTerminatedProcess,
+  uniquePidForProcess,
+} from '../../models/process_event';
 import {
   factory as indexedProcessTreeFactory,
   children as indexedProcessTreeChildren,
@@ -29,6 +39,7 @@ import {
   levelOrder,
 } from '../../models/indexed_process_tree';
 import { getFriendlyElapsedTime } from '../../lib/date';
+import { isEqual } from '../../lib/aabb';
 
 const unit = 140;
 const distanceBetweenNodesInUnits = 2;
@@ -81,6 +92,20 @@ export const graphableProcesses = createSelector(
   }
 );
 
+/**
+ * Process events that will be displayed as terminated.
+ */
+export const terminatedProcesses = createSelector(
+  ({ results }: DataState) => results,
+  function (results: DataState['results']) {
+    return new Set(
+      results.filter(isTerminatedProcess).map((terminatedEvent) => {
+        return uniquePidForProcess(terminatedEvent);
+      })
+    );
+  }
+);
+
 /**
  * In laying out the graph, we precalculate the 'width' of each subtree. The 'width' of the subtree is determined by its
  * descedants and the rule that each process node must be at least 1 unit apart. Enforcing that all nodes are at least
@@ -157,7 +182,7 @@ function processEdgeLineSegments(
 ): EdgeLineSegment[] {
   const edgeLineSegments: EdgeLineSegment[] = [];
   for (const metadata of levelOrderWithWidths(indexedProcessTree, widths)) {
-    const edgeLineMetadata: EdgeLineMetadata = {};
+    const edgeLineMetadata: EdgeLineMetadata = { uniqueId: '' };
     /**
      * We only handle children, drawing lines back to their parents. The root has no parent, so we skip it
      */
@@ -168,6 +193,9 @@ function processEdgeLineSegments(
     const { process, parent, parentWidth } = metadata;
     const position = positions.get(process);
     const parentPosition = positions.get(parent);
+    const parentId = event.entityId(parent);
+    const processEntityId = event.entityId(process);
+    const edgeLineId = parentId ? parentId + processEntityId : parentId;
 
     if (position === undefined || parentPosition === undefined) {
       /**
@@ -176,12 +204,13 @@ function processEdgeLineSegments(
       throw new Error();
     }
 
-    const parentTime = eventTimestamp(parent);
+    const parentTime = event.eventTimestamp(parent);
-    const processTime = eventTimestamp(process);
+    const processTime = event.eventTimestamp(process);
     if (parentTime && processTime) {
       const elapsedTime = getFriendlyElapsedTime(parentTime, processTime);
       if (elapsedTime) edgeLineMetadata.elapsedTime = elapsedTime;
     }
+    edgeLineMetadata.uniqueId = edgeLineId;
 
     /**
      * The point halfway between the parent and child on the y axis, we sometimes have a hard angle here in the edge line
@@ -226,6 +255,7 @@ function processEdgeLineSegments(
 
       const lineFromParentToMidwayLine: EdgeLineSegment = {
         points: [parentPosition, [parentPosition[0], midwayY]],
+        metadata: { uniqueId: `parentToMid${edgeLineId}` },
       };
 
       const widthOfMidline = parentWidth - firstChildWidth / 2 - lastChildWidth / 2;
@@ -246,6 +276,7 @@ function processEdgeLineSegments(
             midwayY,
           ],
         ],
+        metadata: { uniqueId: `midway${edgeLineId}` },
       };
 
       edgeLineSegments.push(
@@ -508,18 +539,16 @@ export const processNodePositionsAndEdgeLineSegments = createSelector(
     for (const edgeLineSegment of edgeLineSegments) {
       const {
         points: [startPoint, endPoint],
-        metadata,
       } = edgeLineSegment;
 
       const transformedSegment: EdgeLineSegment = {
+        ...edgeLineSegment,
         points: [
           applyMatrix3(startPoint, isometricTransformMatrix),
           applyMatrix3(endPoint, isometricTransformMatrix),
         ],
       };
 
-      if (metadata) transformedSegment.metadata = metadata;
-
       transformedEdgeLineSegments.push(transformedSegment);
     }
 
@@ -530,6 +559,96 @@ export const processNodePositionsAndEdgeLineSegments = createSelector(
   }
 );
 
+const indexedProcessNodePositionsAndEdgeLineSegments = createSelector(
+  processNodePositionsAndEdgeLineSegments,
+  function visibleProcessNodePositionsAndEdgeLineSegments({
+    /* eslint-disable no-shadow */
+    processNodePositions,
+    edgeLineSegments,
+    /* eslint-enable no-shadow */
+  }) {
+    const tree: rbush<IndexedEntity> = new rbush();
+    const processesToIndex: IndexedProcessNode[] = [];
+    const edgeLineSegmentsToIndex: IndexedEdgeLineSegment[] = [];
+
+    // Make sure these numbers are big enough to cover the process nodes at all zoom levels.
+    // The process nodes don't extend equally in all directions from their center point.
+    const processNodeViewWidth = 720;
+    const processNodeViewHeight = 240;
+    const lineSegmentPadding = 30;
+    for (const [processEvent, position] of processNodePositions) {
+      const [nodeX, nodeY] = position;
+      const indexedEvent: IndexedProcessNode = {
+        minX: nodeX - 0.5 * processNodeViewWidth,
+        minY: nodeY - 0.5 * processNodeViewHeight,
+        maxX: nodeX + 0.5 * processNodeViewWidth,
+        maxY: nodeY + 0.5 * processNodeViewHeight,
+        position,
+        entity: processEvent,
+        type: 'processNode',
+      };
+      processesToIndex.push(indexedEvent);
+    }
+    for (const edgeLineSegment of edgeLineSegments) {
+      const {
+        points: [[x1, y1], [x2, y2]],
+      } = edgeLineSegment;
+      const indexedLineSegment: IndexedEdgeLineSegment = {
+        minX: Math.min(x1, x2) - lineSegmentPadding,
+        minY: Math.min(y1, y2) - lineSegmentPadding,
+        maxX: Math.max(x1, x2) + lineSegmentPadding,
+        maxY: Math.max(y1, y2) + lineSegmentPadding,
+        entity: edgeLineSegment,
+        type: 'edgeLine',
+      };
+      edgeLineSegmentsToIndex.push(indexedLineSegment);
+    }
+    tree.load([...processesToIndex, ...edgeLineSegmentsToIndex]);
+    return tree;
+  }
+);
+
+export const visibleProcessNodePositionsAndEdgeLineSegments = createSelector(
+  indexedProcessNodePositionsAndEdgeLineSegments,
+  function visibleProcessNodePositionsAndEdgeLineSegments(tree) {
+    // memoize the results of this call to avoid unnecessarily rerunning
+    let lastBoundingBox: AABB | null = null;
+    let currentlyVisible: VisibleEntites = {
+      processNodePositions: new Map<ResolverEvent, Vector2>(),
+      connectingEdgeLineSegments: [],
+    };
+    return (boundingBox: AABB) => {
+      if (lastBoundingBox !== null && isEqual(lastBoundingBox, boundingBox)) {
+        return currentlyVisible;
+      } else {
+        const {
+          minimum: [minX, minY],
+          maximum: [maxX, maxY],
+        } = boundingBox;
+        const entities = tree.search({
+          minX,
+          minY,
+          maxX,
+          maxY,
+        });
+        const visibleProcessNodePositions = new Map<ResolverEvent, Vector2>(
+          entities
+            .filter((entity): entity is IndexedProcessNode => entity.type === 'processNode')
+            .map((node) => [node.entity, node.position])
+        );
+        const connectingEdgeLineSegments = entities
+          .filter((entity): entity is IndexedEdgeLineSegment => entity.type === 'edgeLine')
+          .map((node) => node.entity);
+        currentlyVisible = {
+          processNodePositions: visibleProcessNodePositions,
+          connectingEdgeLineSegments,
+        };
+        lastBoundingBox = boundingBox;
+        return currentlyVisible;
+      }
+    };
+  }
+);
 /**
  * Returns the `children` and `ancestors` limits for the current graph, if any.
  *

x-pack/plugins/security_solution/public/resolver/store/data/visible_entities.test.ts

@@ -0,0 +1,165 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { Store, createStore } from 'redux';
+import { ResolverAction } from '../actions';
+import { resolverReducer } from '../reducer';
+import { ResolverState } from '../../types';
+import { LegacyEndpointEvent, ResolverEvent } from '../../../../common/endpoint/types';
+import { visibleProcessNodePositionsAndEdgeLineSegments } from '../selectors';
+import { mockProcessEvent } from '../../models/process_event_test_helpers';
+
+describe('resolver visible entities', () => {
+  let processA: LegacyEndpointEvent;
+  let processB: LegacyEndpointEvent;
+  let processC: LegacyEndpointEvent;
+  let processD: LegacyEndpointEvent;
+  let processE: LegacyEndpointEvent;
+  let processF: LegacyEndpointEvent;
+  let processG: LegacyEndpointEvent;
+  let store: Store<ResolverState, ResolverAction>;
+
+  beforeEach(() => {
+    /*
+     *          A
+     *          |
+     *          B
+     *          |
+     *          C
+     *          |
+     *          D etc
+     */
+    processA = mockProcessEvent({
+      endgame: {
+        process_name: '',
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 0,
+      },
+    });
+    processB = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'already_running',
+        unique_pid: 1,
+        unique_ppid: 0,
+      },
+    });
+    processC = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 2,
+        unique_ppid: 1,
+      },
+    });
+    processD = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 3,
+        unique_ppid: 2,
+      },
+    });
+    processE = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 4,
+        unique_ppid: 3,
+      },
+    });
+    processF = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 5,
+        unique_ppid: 4,
+      },
+    });
+    processF = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 6,
+        unique_ppid: 5,
+      },
+    });
+    processG = mockProcessEvent({
+      endgame: {
+        event_type_full: 'process_event',
+        event_subtype_full: 'creation_event',
+        unique_pid: 7,
+        unique_ppid: 6,
+      },
+    });
+    store = createStore(resolverReducer, undefined);
+  });
+  describe('when rendering a large tree with a small viewport', () => {
+    beforeEach(() => {
+      const events: ResolverEvent[] = [
+        processA,
+        processB,
+        processC,
+        processD,
+        processE,
+        processF,
+        processG,
+      ];
+      const action: ResolverAction = {
+        type: 'serverReturnedResolverData',
+        payload: { events, stats: new Map(), lineageLimits: { children: '', ancestors: '' } },
+      };
+      const cameraAction: ResolverAction = { type: 'userSetRasterSize', payload: [300, 200] };
+      store.dispatch(action);
+      store.dispatch(cameraAction);
+    });
+    it('the visibleProcessNodePositions list should only include 2 nodes', () => {
+      const { processNodePositions } = visibleProcessNodePositionsAndEdgeLineSegments(
+        store.getState()
+      )(0);
+      expect([...processNodePositions.keys()].length).toEqual(2);
+    });
+    it('the visibleEdgeLineSegments list should only include one edge line', () => {
+      const { connectingEdgeLineSegments } = visibleProcessNodePositionsAndEdgeLineSegments(
+        store.getState()
+      )(0);
+      expect(connectingEdgeLineSegments.length).toEqual(1);
+    });
+  });
+  describe('when rendering a large tree with a large viewport', () => {
+    beforeEach(() => {
+      const events: ResolverEvent[] = [
+        processA,
+        processB,
+        processC,
+        processD,
+        processE,
+        processF,
+        processG,
+      ];
+      const action: ResolverAction = {
+        type: 'serverReturnedResolverData',
+        payload: { events, stats: new Map(), lineageLimits: { children: '', ancestors: '' } },
+      };
+      const cameraAction: ResolverAction = { type: 'userSetRasterSize', payload: [2000, 2000] };
+      store.dispatch(action);
+      store.dispatch(cameraAction);
+    });
+    it('the visibleProcessNodePositions list should include all process nodes', () => {
+      const { processNodePositions } = visibleProcessNodePositionsAndEdgeLineSegments(
+        store.getState()
+      )(0);
+      expect([...processNodePositions.keys()].length).toEqual(5);
+    });
+    it('the visibleEdgeLineSegments list include all lines', () => {
+      const { connectingEdgeLineSegments } = visibleProcessNodePositionsAndEdgeLineSegments(
+        store.getState()
+      )(0);
+      expect(connectingEdgeLineSegments.length).toEqual(4);
+    });
+  });
+});

x-pack/plugins/security_solution/public/resolver/store/middleware.ts

@@ -112,7 +112,6 @@ export const resolverMiddlewareFactory: MiddlewareFactory = (context) => {
             query: { events: 100 },
           }
         );
-
         api.dispatch({
           type: 'serverReturnedRelatedEventData',
           payload: result,

x-pack/plugins/security_solution/public/resolver/store/selectors.ts

@@ -4,6 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import { createSelector } from 'reselect';
 import * as cameraSelectors from './camera/selectors';
 import * as dataSelectors from './data/selectors';
 import * as uiSelectors from './ui/selectors';
@@ -60,6 +61,11 @@ export const processAdjacencies = composeSelectors(
   dataSelectors.processAdjacencies
 );
 
+export const terminatedProcesses = composeSelectors(
+  dataStateSelector,
+  dataSelectors.terminatedProcesses
+);
+
 /**
  * Returns a map of `ResolverEvent` entity_id to their related event and alert statistics
  */
@@ -171,3 +177,27 @@ function composeSelectors<OuterState, InnerState, ReturnValue>(
 ): (state: OuterState) => ReturnValue {
   return (state) => secondSelector(selector(state));
 }
+
+const boundingBox = composeSelectors(cameraStateSelector, cameraSelectors.viewableBoundingBox);
+const indexedProcessNodesAndEdgeLineSegments = composeSelectors(
+  dataStateSelector,
+  dataSelectors.visibleProcessNodePositionsAndEdgeLineSegments
+);
+
+/**
+ * Return the visible edge lines and process nodes based on the camera position at `time`.
+ * The bounding box represents what the camera can see. The camera position is a function of time because it can be
+ * animated. So in order to get the currently visible entities, we need to pass in time.
+ */
+export const visibleProcessNodePositionsAndEdgeLineSegments = createSelector(
+  indexedProcessNodesAndEdgeLineSegments,
+  boundingBox,
+  function (
+    /* eslint-disable no-shadow */
+    indexedProcessNodesAndEdgeLineSegments,
+    boundingBox
+    /* eslint-enable no-shadow */
+  ) {
+    return (time: number) => indexedProcessNodesAndEdgeLineSegments(boundingBox(time));
+  }
+);

x-pack/plugins/security_solution/public/resolver/types.ts

@@ -5,7 +5,7 @@
  */
 
 import { Store } from 'redux';
-
+import { BBox } from 'rbush';
 import { ResolverAction } from './store/actions';
 export { ResolverAction } from './store/actions';
 import {
@@ -142,6 +142,36 @@ export type CameraState = {
     }
 );
 
+/**
+ * Wrappers around our internal types that make them compatible with `rbush`.
+ */
+export type IndexedEntity = IndexedEdgeLineSegment | IndexedProcessNode;
+
+/**
+ * The entity stored in rbush for resolver edge lines.
+ */
+export interface IndexedEdgeLineSegment extends BBox {
+  type: 'edgeLine';
+  entity: EdgeLineSegment;
+}
+
+/**
+ * The entity store in rbush for resolver process nodes.
+ */
+export interface IndexedProcessNode extends BBox {
+  type: 'processNode';
+  entity: ResolverEvent;
+  position: Vector2;
+}
+
+/**
+ * A type containing all things to actually be rendered to the DOM.
+ */
+export interface VisibleEntites {
+  processNodePositions: ProcessPositions;
+  connectingEdgeLineSegments: EdgeLineSegment[];
+}
+
 /**
  * State for `data` reducer which handles receiving Resolver data from the backend.
  */
@@ -287,6 +317,8 @@ export interface DurationDetails {
  */
 export interface EdgeLineMetadata {
   elapsedTime?: DurationDetails;
+  // A string of the two joined process nodes concatted together.
+  uniqueId: string;
 }
 /**
  * A tuple of 2 vector2 points forming a polyline. Used to connect process nodes in the graph.
@@ -298,7 +330,7 @@ export type EdgeLinePoints = Vector2[];
  */
 export interface EdgeLineSegment {
   points: EdgeLinePoints;
-  metadata?: EdgeLineMetadata;
+  metadata: EdgeLineMetadata;
 }
 
 /**

x-pack/plugins/security_solution/public/resolver/view/assets.tsx

@@ -12,8 +12,6 @@ import styled from 'styled-components';
 import { i18n } from '@kbn/i18n';
 import { useUiSetting } from '../../common/lib/kibana';
 import { DEFAULT_DARK_MODE } from '../../../common/constants';
-import { ResolverEvent } from '../../../common/endpoint/types';
-import * as processModel from '../models/process_event';
 import { ResolverProcessType } from '../types';
 
 type ResolverColorNames =
@@ -417,27 +415,13 @@ const processTypeToCube: Record<ResolverProcessType, keyof NodeStyleMap> = {
   unknownEvent: 'runningProcessCube',
 };
 
-/**
- * This will return which type the ResolverEvent will display as in the Node component
- * it will be something like 'runningProcessCube' or 'terminatedProcessCube'
- *
- * @param processEvent {ResolverEvent} the event to get the Resolver Component Node type of
- */
-export function nodeType(processEvent: ResolverEvent): keyof NodeStyleMap {
-  const processType = processModel.eventType(processEvent);
-  if (processType in processTypeToCube) {
-    return processTypeToCube[processType];
-  }
-  return 'runningProcessCube';
-}
-
 /**
  * A hook to bring Resolver theming information into components.
  */
 export const useResolverTheme = (): {
   colorMap: ColorMap;
   nodeAssets: NodeStyleMap;
-  cubeAssetsForNode: (arg0: ResolverEvent) => NodeStyleConfig;
+  cubeAssetsForNode: (isProcessTerimnated: boolean, isProcessOrigin: boolean) => NodeStyleConfig;
 } => {
   const isDarkMode = useUiSetting<boolean>(DEFAULT_DARK_MODE);
   const theme = isDarkMode ? euiThemeAmsterdamDark : euiThemeAmsterdamLight;
@@ -511,12 +495,14 @@ export const useResolverTheme = (): {
     },
   };
 
-  /**
+  function cubeAssetsForNode(isProcessTerminated: boolean, isProcessOrigin: boolean) {
-   * Export assets to reuse symbols/icons in other places in the app (e.g. tables, etc.)
+    if (isProcessTerminated) {
-   * @param processEvent : The process event to fetch node assets for
+      return nodeAssets[processTypeToCube.processTerminated];
-   */
+    } else if (isProcessOrigin) {
-  function cubeAssetsForNode(processEvent: ResolverEvent) {
+      return nodeAssets[processTypeToCube.processCausedAlert];
-    return nodeAssets[nodeType(processEvent)];
+    } else {
+      return nodeAssets[processTypeToCube.processRan];
+    }
   }
 
   return { colorMap, nodeAssets, cubeAssetsForNode };

x-pack/plugins/security_solution/public/resolver/view/index.tsx

@@ -4,7 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import React, { useLayoutEffect } from 'react';
+import React, { useLayoutEffect, useContext } from 'react';
 import { useSelector, useDispatch } from 'react-redux';
 import styled from 'styled-components';
 import { EuiLoadingSpinner } from '@elastic/eui';
@@ -16,9 +16,10 @@ import { GraphControls } from './graph_controls';
 import { ProcessEventDot } from './process_event_dot';
 import { useCamera } from './use_camera';
 import { SymbolDefinitions, useResolverTheme } from './assets';
+import { entityId } from '../../../common/endpoint/models/event';
 import { ResolverAction } from '../types';
 import { ResolverEvent } from '../../../common/endpoint/types';
-import * as eventModel from '../../../common/endpoint/models/event';
+import { SideEffectContext } from './side_effect_context';
 
 interface StyledResolver {
   backgroundColor: string;
@@ -74,17 +75,20 @@ export const Resolver = React.memo(function Resolver({
   className?: string;
   selectedEvent?: ResolverEvent;
 }) {
-  const { processNodePositions, edgeLineSegments } = useSelector(
+  const { timestamp } = useContext(SideEffectContext);
-    selectors.processNodePositionsAndEdgeLineSegments
+
-  );
+  const { processNodePositions, connectingEdgeLineSegments } = useSelector(
+    selectors.visibleProcessNodePositionsAndEdgeLineSegments
+  )(timestamp());
 
   const dispatch: (action: ResolverAction) => unknown = useDispatch();
   const { processToAdjacencyMap } = useSelector(selectors.processAdjacencies);
-  const relatedEventsStats = useSelector(selectors.relatedEventsStats);
   const { projectionMatrix, ref, onMouseDown } = useCamera();
   const isLoading = useSelector(selectors.isLoading);
   const hasError = useSelector(selectors.hasError);
+  const relatedEventsStats = useSelector(selectors.relatedEventsStats);
   const activeDescendantId = useSelector(selectors.uiActiveDescendantId);
+  const terminatedProcesses = useSelector(selectors.terminatedProcesses);
   const { colorMap } = useResolverTheme();
 
   useLayoutEffect(() => {
@@ -123,10 +127,10 @@ export const Resolver = React.memo(function Resolver({
           tabIndex={0}
           aria-activedescendant={activeDescendantId || undefined}
         >
-          {edgeLineSegments.map(({ points: [startPosition, endPosition], metadata }, index) => (
+          {connectingEdgeLineSegments.map(({ points: [startPosition, endPosition], metadata }) => (
             <EdgeLine
               edgeLineMetadata={metadata}
-              key={index}
+              key={metadata.uniqueId}
               startPosition={startPosition}
               endPosition={endPosition}
               projectionMatrix={projectionMatrix}
@@ -134,6 +138,7 @@ export const Resolver = React.memo(function Resolver({
           ))}
           {[...processNodePositions].map(([processEvent, position], index) => {
             const adjacentNodeMap = processToAdjacencyMap.get(processEvent);
+            const processEntityId = entityId(processEvent);
             if (!adjacentNodeMap) {
               // This should never happen
               throw new Error('Issue calculating adjacency node map.');
@@ -145,7 +150,9 @@ export const Resolver = React.memo(function Resolver({
                 projectionMatrix={projectionMatrix}
                 event={processEvent}
                 adjacentNodeMap={adjacentNodeMap}
-                relatedEventsStats={relatedEventsStats.get(eventModel.entityId(processEvent))}
+                relatedEventsStats={relatedEventsStats.get(entityId(processEvent))}
+                isProcessTerminated={terminatedProcesses.has(processEntityId)}
+                isProcessOrigin={false}
               />
             );
           })}

x-pack/plugins/security_solution/public/resolver/view/panel.tsx

@@ -51,6 +51,7 @@ const PanelContent = memo(function PanelContent() {
   const urlSearch = history.location.search;
   const dispatch = useResolverDispatch();
 
+  const { timestamp } = useContext(SideEffectContext);
   const queryParams: CrumbInfo = useMemo(() => {
     return { crumbId: '', crumbEvent: '', ...querystring.parse(urlSearch.slice(1)) };
   }, [urlSearch]);
@@ -84,7 +85,7 @@ const PanelContent = memo(function PanelContent() {
   const paramsSelectedEvent = useMemo(() => {
     return graphableProcesses.find((evt) => event.entityId(evt) === idFromParams);
   }, [graphableProcesses, idFromParams]);
-  const { timestamp } = useContext(SideEffectContext);
+
   const [lastUpdatedProcess, setLastUpdatedProcess] = useState<null | ResolverEvent>(null);
 
   /**
@@ -218,11 +219,19 @@ const PanelContent = memo(function PanelContent() {
   }, [panelToShow, dispatch]);
 
   const currentPanelView = useSelector(selectors.currentPanelView);
+  const terminatedProcesses = useSelector(selectors.terminatedProcesses);
+  const processEntityId = uiSelectedEvent ? event.entityId(uiSelectedEvent) : undefined;
+  const isProcessTerminated = processEntityId ? terminatedProcesses.has(processEntityId) : false;
 
   const panelInstance = useMemo(() => {
     if (currentPanelView === 'processDetails') {
       return (
-        <ProcessDetails processEvent={uiSelectedEvent!} pushToQueryParams={pushToQueryParams} />
+        <ProcessDetails
+          processEvent={uiSelectedEvent!}
+          pushToQueryParams={pushToQueryParams}
+          isProcessTerminated={isProcessTerminated}
+          isProcessOrigin={false}
+        />
       );
     }
 
@@ -261,7 +270,13 @@ const PanelContent = memo(function PanelContent() {
       );
     }
     // The default 'Event List' / 'List of all processes' view
-    return <ProcessListWithCounts pushToQueryParams={pushToQueryParams} />;
+    return (
+      <ProcessListWithCounts
+        pushToQueryParams={pushToQueryParams}
+        isProcessTerminated={isProcessTerminated}
+        isProcessOrigin={false}
+      />
+    );
   }, [
     uiSelectedEvent,
     crumbEvent,
@@ -269,6 +284,7 @@ const PanelContent = memo(function PanelContent() {
     pushToQueryParams,
     relatedStatsForIdFromParams,
     currentPanelView,
+    isProcessTerminated,
   ]);
 
   return <>{panelInstance}</>;

x-pack/plugins/security_solution/public/resolver/view/panels/panel_content_process_detail.tsx

@@ -41,10 +41,14 @@ const StyledDescriptionList = styled(EuiDescriptionList)`
  */
 export const ProcessDetails = memo(function ProcessDetails({
   processEvent,
+  isProcessTerminated,
+  isProcessOrigin,
   pushToQueryParams,
 }: {
   processEvent: ResolverEvent;
-  pushToQueryParams: (arg0: CrumbInfo) => unknown;
+  isProcessTerminated: boolean;
+  isProcessOrigin: boolean;
+  pushToQueryParams: (queryStringKeyValuePair: CrumbInfo) => unknown;
 }) {
   const processName = event.eventName(processEvent);
   const processInfoEntry = useMemo(() => {
@@ -178,8 +182,8 @@ export const ProcessDetails = memo(function ProcessDetails({
     if (!processEvent) {
       return { descriptionText: '' };
     }
-    return cubeAssetsForNode(processEvent);
+    return cubeAssetsForNode(isProcessTerminated, isProcessOrigin);
-  }, [processEvent, cubeAssetsForNode]);
+  }, [processEvent, cubeAssetsForNode, isProcessTerminated, isProcessOrigin]);
 
   const titleId = useMemo(() => htmlIdGenerator('resolverTable')(), []);
   return (
@@ -188,7 +192,10 @@ export const ProcessDetails = memo(function ProcessDetails({
       <EuiSpacer size="l" />
       <EuiTitle size="xs">
         <h4 aria-describedby={titleId}>
-          <CubeForProcess processEvent={processEvent} />
+          <CubeForProcess
+            isProcessTerminated={isProcessTerminated}
+            isProcessOrigin={isProcessOrigin}
+          />
           {processName}
         </h4>
       </EuiTitle>

x-pack/plugins/security_solution/public/resolver/view/panels/panel_content_process_list.tsx

@@ -28,8 +28,12 @@ import { ResolverEvent } from '../../../../common/endpoint/types';
  */
 export const ProcessListWithCounts = memo(function ProcessListWithCounts({
   pushToQueryParams,
+  isProcessTerminated,
+  isProcessOrigin,
 }: {
-  pushToQueryParams: (arg0: CrumbInfo) => unknown;
+  pushToQueryParams: (queryStringKeyValuePair: CrumbInfo) => unknown;
+  isProcessTerminated: boolean;
+  isProcessOrigin: boolean;
 }) {
   interface ProcessTableView {
     name: string;
@@ -82,7 +86,10 @@ export const ProcessListWithCounts = memo(function ProcessListWithCounts({
                 pushToQueryParams({ crumbId: event.entityId(item.event), crumbEvent: '' });
               }}
             >
-              <CubeForProcess processEvent={item.event} />
+              <CubeForProcess
+                isProcessTerminated={isProcessTerminated}
+                isProcessOrigin={isProcessOrigin}
+              />
               {name}
             </EuiButtonEmpty>
           );
@@ -114,7 +121,7 @@ export const ProcessListWithCounts = memo(function ProcessListWithCounts({
         },
       },
     ],
-    [pushToQueryParams, handleBringIntoViewClick]
+    [pushToQueryParams, handleBringIntoViewClick, isProcessOrigin, isProcessTerminated]
   );
 
   const { processNodePositions } = useSelector(selectors.processNodePositionsAndEdgeLineSegments);

x-pack/plugins/security_solution/public/resolver/view/panels/panel_content_related_counts.tsx

@@ -30,7 +30,7 @@ export const EventCountsForProcess = memo(function EventCountsForProcess({
   relatedStats,
 }: {
   processEvent: ResolverEvent;
-  pushToQueryParams: (arg0: CrumbInfo) => unknown;
+  pushToQueryParams: (queryStringKeyValuePair: CrumbInfo) => unknown;
   relatedStats: ResolverNodeStats;
 }) {
   interface EventCountsTableView {

x-pack/plugins/security_solution/public/resolver/view/panels/panel_content_related_detail.tsx

@@ -96,7 +96,7 @@ export const RelatedEventDetail = memo(function RelatedEventDetail({
 }: {
   relatedEventId: string;
   parentEvent: ResolverEvent;
-  pushToQueryParams: (arg0: CrumbInfo) => unknown;
+  pushToQueryParams: (queryStringKeyValuePair: CrumbInfo) => unknown;
   countForParent: number | undefined;
 }) {
   const processName = (parentEvent && event.eventName(parentEvent)) || '*';

x-pack/plugins/security_solution/public/resolver/view/panels/process_cube_icon.tsx

@@ -5,7 +5,6 @@
  */
 
 import React, { memo } from 'react';
-import { ResolverEvent } from '../../../../common/endpoint/types';
 import { useResolverTheme } from '../assets';
 
 /**
@@ -13,12 +12,14 @@ import { useResolverTheme } from '../assets';
  * Nodes on the graph and what's in the table. Using the same symbol in both places (as below) could help with that.
  */
 export const CubeForProcess = memo(function CubeForProcess({
-  processEvent,
+  isProcessTerminated,
+  isProcessOrigin,
 }: {
-  processEvent: ResolverEvent;
+  isProcessTerminated: boolean;
+  isProcessOrigin: boolean;
 }) {
   const { cubeAssetsForNode } = useResolverTheme();
-  const { cubeSymbol, descriptionText } = cubeAssetsForNode(processEvent);
+  const { cubeSymbol, descriptionText } = cubeAssetsForNode(isProcessTerminated, isProcessOrigin);
 
   return (
     <>

x-pack/plugins/security_solution/public/resolver/view/process_event_dot.tsx

@@ -15,7 +15,7 @@ import querystring from 'querystring';
 import { NodeSubMenu, subMenuAssets } from './submenu';
 import { applyMatrix3 } from '../lib/vector2';
 import { Vector2, Matrix3, AdjacentProcessMap } from '../types';
-import { SymbolIds, useResolverTheme, calculateResolverFontSize, nodeType } from './assets';
+import { SymbolIds, useResolverTheme, calculateResolverFontSize } from './assets';
 import { ResolverEvent, ResolverNodeStats } from '../../../common/endpoint/types';
 import { useResolverDispatch } from './use_resolver_dispatch';
 import * as eventModel from '../../../common/endpoint/models/event';
@@ -239,6 +239,8 @@ const ProcessEventDotComponents = React.memo(
     event,
     projectionMatrix,
     adjacentNodeMap,
+    isProcessTerminated,
+    isProcessOrigin,
     relatedEventsStats,
   }: {
     /**
@@ -262,6 +264,16 @@ const ProcessEventDotComponents = React.memo(
      */
     adjacentNodeMap: AdjacentProcessMap;
     /**
+     * Whether or not to show the process as terminated.
+     */
+    isProcessTerminated: boolean;
+    /**
+     * Whether or not to show the process as the originating event.
+     */
+    isProcessOrigin: boolean;
+    /**
+     * A collection of events related to the current node and statistics (e.g. counts indexed by event type)
+     * to provide the user some visibility regarding the contents thereof.
      * Statistics for the number of related events and alerts for this process node
      */
     relatedEventsStats?: ResolverNodeStats;
@@ -363,7 +375,7 @@ const ProcessEventDotComponents = React.memo(
           })
         | null;
     } = React.createRef();
-    const { colorMap, nodeAssets } = useResolverTheme();
+    const { colorMap, cubeAssetsForNode } = useResolverTheme();
     const {
       backingFill,
       cubeSymbol,
@@ -371,7 +383,8 @@ const ProcessEventDotComponents = React.memo(
       isLabelFilled,
       labelButtonFill,
       strokeColor,
-    } = nodeAssets[nodeType(event)];
+    } = cubeAssetsForNode(isProcessTerminated, isProcessOrigin);
+
     const resolverNodeIdGenerator = useMemo(() => htmlIdGenerator('resolverNode'), []);
 
     const nodeId = useMemo(() => resolverNodeIdGenerator(selfId), [

yarn.lock

@@ -5616,6 +5616,11 @@
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"
   integrity sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==
 
+"@types/rbush@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/rbush/-/rbush-3.0.0.tgz#b6887d99b159e87ae23cd14eceff34f139842aa6"
+  integrity sha512-W3ue/GYWXBOpkRm0VSoifrP3HV0Ni47aVJWvXyWMcbtpBy/l/K/smBRiJ+fI8f7shXRjZBiux+iJzYbh7VmcZg==
+
 "@types/reach__router@^1.2.3", "@types/reach__router@^1.2.6":
   version "1.2.6"
   resolved "https://registry.yarnpkg.com/@types/reach__router/-/reach__router-1.2.6.tgz#b14cf1adbd1a365d204bbf6605cd9dd7b8816c87"
@@ -25291,6 +25296,13 @@ raw-loader@~0.5.1:
   resolved "https://registry.yarnpkg.com/raw-loader/-/raw-loader-0.5.1.tgz#0c3d0beaed8a01c966d9787bf778281252a979aa"
   integrity sha1-DD0L6u2KAclm2Xh793goElKpeao=
 
+rbush@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/rbush/-/rbush-3.0.1.tgz#5fafa8a79b3b9afdfe5008403a720cc1de882ecf"
+  integrity sha512-XRaVO0YecOpEuIvbhbpTrZgoiI6xBlz6hnlr6EHhd+0x9ase6EmeN+hdwwUaJvLcsFFQ8iWVF1GAK1yB0BWi0w==
+  dependencies:
+    quickselect "^2.0.0"
+
 rc@^1.0.1, rc@^1.1.6, rc@^1.2.7, rc@^1.2.8:
   version "1.2.8"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"