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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 <T extends IPCReponseData> (
response: (data: any) => Promise<void>,
body: IPCReponse<T>
) {
response(body)
.catch(err => logger.error('Cannot send response after IPC request', err))
}
}
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