import { ensureDir } from 'fs-extra' import { Server as NetIPC } from 'net-ipc' import { pick } from '@shared/core-utils' import { RunnerServer } from '../../server' import { ConfigManager } from '../config-manager' import { logger } from '../logger' import { IPCReponse, IPCReponseData, IPCRequest } from './shared' export class IPCServer { private netIPC: NetIPC private runnerServer: RunnerServer async run (runnerServer: RunnerServer) { this.runnerServer = runnerServer await ensureDir(ConfigManager.Instance.getSocketDirectory()) const socketPath = ConfigManager.Instance.getSocketPath() this.netIPC = new NetIPC({ path: socketPath }) await this.netIPC.start() logger.info(`IPC socket created on ${socketPath}`) this.netIPC.on('request', async (req: IPCRequest, res) => { try { const data = await this.process(req) this.sendReponse(res, { success: true, data }) } catch (err) { logger.error('Cannot execute RPC call', err) this.sendReponse(res, { success: false, error: err.message }) } }) } private async process (req: IPCRequest) { switch (req.type) { case 'register': await this.runnerServer.registerRunner(pick(req, [ 'url', 'registrationToken', 'runnerName', 'runnerDescription' ])) return undefined case 'unregister': await this.runnerServer.unregisterRunner({ url: req.url }) return undefined case 'list-registered': return Promise.resolve(this.runnerServer.listRegistered()) default: throw new Error('Unknown RPC call ' + (req as any).type) } } private sendReponse ( response: (data: any) => Promise, body: IPCReponse ) { response(body) .catch(err => logger.error('Cannot send response after IPC request', err)) } }