105 lines
2.5 KiB
TypeScript
105 lines
2.5 KiB
TypeScript
import * as plugins from './smartipc.plugins';
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import { EventEmitter } from 'events';
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export interface ISmartIpcConstructorOptions {
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type: 'server' | 'client';
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/**
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* the name of the message string
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*/
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ipcSpace: string;
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}
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export interface ISmartIpcHandlerPackage {
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keyword: string;
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handlerFunc: (dataArg: string) => void;
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}
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export class SmartIpc {
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public ipc = new plugins.nodeIpc.IPC();
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public handlers: ISmartIpcHandlerPackage[] = [];
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public options: ISmartIpcConstructorOptions;
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constructor(optionsArg: ISmartIpcConstructorOptions) {
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this.options = optionsArg;
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}
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/**
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* connect to the channel
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*/
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public async start() {
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const done = plugins.smartpromise.defer();
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let ipcEventEmitter;
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switch (this.options.type) {
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case 'server':
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this.ipc.config.id = this.options.ipcSpace;
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this.ipc.serve(() => {
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ipcEventEmitter = this.ipc.server;
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done.resolve();
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});
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this.ipc.server.start();
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await plugins.smartdelay.delayFor(1000);
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await done.promise;
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break;
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case 'client':
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this.ipc.connectTo(this.options.ipcSpace, () => {
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ipcEventEmitter = this.ipc.of[this.options.ipcSpace];
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done.resolve();
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});
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await done.promise;
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break;
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default:
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throw new Error('type of ipc is not valid. Must be "server" or "client"');
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}
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for (const handler of this.handlers) {
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ipcEventEmitter.on(handler.keyword, (dataArg) => {
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handler.handlerFunc(dataArg);
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});
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}
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}
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/**
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* should stop the server
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*/
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public async stop() {
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switch (this.options.type) {
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case 'server':
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this.ipc.server.stop();
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break;
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case 'client':
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break;
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}
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plugins.smartdelay.delayFor(2000).then(() => {
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process.exit(0);
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});
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}
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/**
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* regsiters a handler
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*/
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public registerHandler(handlerPackage: ISmartIpcHandlerPackage) {
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this.handlers.push(handlerPackage);
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}
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/**
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* sends a message
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* @param payloadArg
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*/
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public sendMessage(messageIdentifierArg: string, payloadArg: string | any) {
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let payload: string = null;
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if (typeof payloadArg === 'string') {
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payload = payloadArg;
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} else {
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payload = JSON.stringify(payloadArg);
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}
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switch (this.options.type) {
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case 'server':
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this.ipc.server.emit(messageIdentifierArg, payload);
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break;
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case 'client':
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this.ipc.of[this.options.ipcSpace].emit(messageIdentifierArg, payload);
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}
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}
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}
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