192 lines
8.8 KiB
JavaScript
192 lines
8.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ClusterAppLoader = void 0;
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const tslib_1 = require("tslib");
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const lodash_1 = require("oak-domain/lib/utils/lodash");
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const filter_1 = require("oak-domain/lib/store/filter");
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const types_1 = require("oak-domain/lib/types");
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const env_1 = require("./cluster/env");
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const AppLoader_1 = require("./AppLoader");
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const assert_1 = tslib_1.__importDefault(require("assert"));
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const socket_io_client_1 = require("socket.io-client");
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class ClusterAppLoader extends AppLoader_1.AppLoader {
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commitTriggers;
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static VolatileTriggerEvent = 'vtEvent';
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socket;
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connectServerSocket() {
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const { instanceId } = (0, env_1.getClusterInfo)();
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this.socket.on('connect', () => {
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const csTriggerNames = Object.keys(this.commitTriggers).filter(ele => this.commitTriggers[ele]).map(ele => `${ele}-${instanceId}`);
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if (csTriggerNames.length > 0) {
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this.socket.emit('sub', csTriggerNames);
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}
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});
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this.socket.on(ClusterAppLoader.VolatileTriggerEvent, async (entity, name, ids, cxtStr, option) => {
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const context = await this.makeContext(cxtStr);
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if (process.env.NODE_ENV === 'development') {
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console.log(`「${(0, env_1.getClusterInfo)().instanceId}」号实例接收到来自其它进程的volatileTrigger请求， name是「${name}」， ids是「${ids.join(',')}」`);
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}
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// await context.begin();
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try {
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await this.dbStore.execVolatileTrigger(entity, name, ids, context, option);
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await context.commit();
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}
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catch (err) {
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await context.rollback();
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console.error('在集群环境下，处理来自其它实例的trigger数据，execVolatileTrigger异常', entity, name, ids, option, err);
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}
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});
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}
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sub(name) {
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const { instanceId } = (0, env_1.getClusterInfo)();
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if (this.socket.connected) {
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this.socket.emit('sub', [`${name}-${instanceId}`]);
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}
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else {
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this.socket.connect();
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}
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}
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constructor(path, nsDs, nsSocket, nsServer, socketPath) {
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super(path, nsDs, nsSocket, nsServer);
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this.dbStore.setOnVolatileTrigger(async (entity, trigger, ids, cxtStr, option) => {
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const execLocal = async (ids2) => {
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const context = await this.makeContext(cxtStr);
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// await context.begin();
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try {
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await this.dbStore.execVolatileTrigger(entity, trigger.name, ids2, context, option);
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await context.commit();
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}
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catch (err) {
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if (err instanceof types_1.OakPartialSuccess) {
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await context.commit();
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console.error('execVolatileTrigger异常', entity, trigger.name, ids2, option, err);
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}
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else {
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await context.rollback();
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console.error('execVolatileTrigger异常', entity, trigger.name, ids2, option, err);
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}
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}
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};
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if (trigger.cs) {
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// 如果是cluster sensative的触发器，需要发送到相应的instance上被处理
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const context = await this.makeContext();
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const rows = !!(ids.length) ? await context.select(entity, {
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data: {
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id: 1,
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$$seq$$: 1,
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},
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filter: {
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id: { $in: ids },
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}
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}, { dontCollect: true }) : [];
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await context.commit();
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const { instanceCount, instanceId } = (0, env_1.getClusterInfo)();
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const grouped = (0, lodash_1.groupBy)(rows, (ele) => ele.$$seq$$ % instanceCount);
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for (const seqMod in grouped) {
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const ids2 = grouped[seqMod].map(ele => ele.id);
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if (parseInt(seqMod) === instanceId) {
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await execLocal(ids2);
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}
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else {
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if (process.env.NODE_ENV === 'development') {
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console.log(`在trigger「${trigger.name}」上，因为cs原因，数据「${ids2.join(',')}」将被推送到「${seqMod}」号进程操作（当前进程号是「${instanceId}」）。`);
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}
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this.dataSubscriber.publishServerEvent(`${trigger.name}-${seqMod}`, ClusterAppLoader.VolatileTriggerEvent, entity, trigger.name, ids2, cxtStr, option);
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}
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}
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}
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else if (trigger.singleton) {
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if ((0, env_1.getClusterInfo)().instanceId === 0) {
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await execLocal(ids);
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}
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else if (ids.length) {
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if (process.env.NODE_ENV === 'development') {
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console.log(`在trigger「${trigger.name}」上，因为singleton原因，数据「${ids.join(',')}」将被推送到「0」号进程操作（当前进程号是「${(0, env_1.getClusterInfo)().instanceId}」）`);
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}
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this.dataSubscriber.publishServerEvent(`${trigger.name}-0`, ClusterAppLoader.VolatileTriggerEvent, entity, trigger.name, ids, cxtStr, option);
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}
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}
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else {
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await execLocal(ids);
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}
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});
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this.commitTriggers = {};
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const { name } = nsServer;
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// 本机pm2的socketio连接，在cli中连接到adaptor之后，会被自然推到redis，这边继续保持pm2的socketio连接即可
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const socketUrl = `http://localhost:${process.env.PM2_PORT || 8080}${name}`;
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this.socket = (0, socket_io_client_1.io)(socketUrl, {
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path: socketPath,
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});
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this.connectServerSocket();
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}
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registerTrigger(trigger) {
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// 如果是cluster sensative的trigger，注册到socket事件上
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// 如果是singletone的trigger，只有0号实例注册
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const { when, cs, singleton, name } = trigger;
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(0, assert_1.default)(!(cs && singleton));
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if (when === 'commit') {
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(0, assert_1.default)(!this.commitTriggers[name], `命名为${name}的trigger出现了多次，请检查`);
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const needSub = !!(cs || singleton && (0, env_1.getClusterInfo)().instanceId === 0);
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this.commitTriggers[name] = needSub;
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if (needSub) {
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this.sub(name);
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}
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}
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this.dbStore.registerTrigger(trigger);
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}
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operateInWatcher(entity, operation, context, singleton) {
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const { instanceCount, instanceId } = (0, env_1.getClusterInfo)();
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(0, assert_1.default)(instanceCount && typeof instanceId === 'number');
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const { filter } = operation;
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const filter2 = singleton ? filter : (0, filter_1.combineFilters)(entity, this.dbStore.getSchema(), [filter, {
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$$seq$$: {
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$mod: [instanceCount, instanceId]
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}
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}]);
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return super.operateInWatcher(entity, {
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...operation,
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filter: filter2,
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}, context);
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}
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selectInWatcher(entity, selection, context, forUpdate, singleton) {
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const { instanceCount, instanceId } = (0, env_1.getClusterInfo)();
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(0, assert_1.default)(instanceCount && typeof instanceId === 'number');
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const { filter } = selection;
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const filter2 = singleton ? filter : (0, filter_1.combineFilters)(entity, this.dbStore.getSchema(), [filter, {
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$$seq$$: {
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$mod: [instanceCount, instanceId]
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}
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}]);
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return super.selectInWatcher(entity, {
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...selection,
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filter: filter2,
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}, context, forUpdate);
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}
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async execWatcher(watcher) {
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if (watcher.singleton && (0, env_1.getClusterInfo)().instanceId !== 0) {
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return;
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}
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return super.execWatcher(watcher);
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}
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execFreeTimer(timer, context) {
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if (timer.singleton && (0, env_1.getClusterInfo)().instanceId !== 0) {
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return;
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}
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return super.execFreeTimer(timer, context);
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}
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async checkpoint() {
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const { instanceCount, instanceId } = (0, env_1.getClusterInfo)();
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let count = 0;
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for (const name in this.commitTriggers) {
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if (this.commitTriggers[name]) {
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count += await this.dbStore.independentCheckPoint(name, this.getCheckpointTs(), instanceCount, instanceId);
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}
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else {
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count += await this.dbStore.independentCheckPoint(name, this.getCheckpointTs());
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}
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}
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return count;
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}
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}
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exports.ClusterAppLoader = ClusterAppLoader;
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