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'use strict'; |
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2
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3
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let |
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4
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execFile = require('child_process').execFile, |
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5
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Bluebird = require('bluebird'), |
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6
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retry = require('p-retry'), |
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Log = require('./../../../core/log').Log, |
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Request = require('./../../../core/request').Request, |
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ProcessBase = require('./../../../core/process').Process |
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let log = new Log('Platforms.Core.Tunnel.Process') |
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class Process extends ProcessBase { |
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constructor(pid, tunnelId) { |
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super(pid) |
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this.tunnelId = tunnelId |
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} |
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create(command, args, callbacks, argsParser, stdoutFnCreator, exitFn) { |
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argsParser(args) |
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callbacks = callbacks || { } |
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if(!callbacks.onstderr) { |
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callbacks.onstderr = (err) => { |
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log.warn('unexpected stderr', err, this) |
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} |
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} |
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return new Bluebird((resolve, reject) => { |
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this.proc = execFile(command, args) |
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this.pid = this.proc.pid |
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log.debug('execFile %s %s, created %d', command, args.join(' '), this.pid) |
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this.proc.stdout.on('data', stdoutFnCreator(this, command, args, resolve, reject)) |
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this.proc.stderr.on('data', callbacks.onstderr) |
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this.proc.on('error', reject) |
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this.proc.on('exit', code => { |
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exitFn(this, command, args, code, reject) |
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}) |
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}) |
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} |
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41
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stop(isStopped, getStatus, auth) { |
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this.stopping = true |
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return apiReq(this.endpoint, 'DELETE', auth) |
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.then(() => { |
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return waitForServerExit(this, isStopped, getStatus, auth) |
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}) |
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.then(() => { |
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return ProcessBase.prototype.stop.call(this) |
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}) |
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.then(() => { |
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return waitForExit(this) |
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}) |
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.catch(err => { |
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if(err.message.match(/already stopped/)) { |
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return Promise.resolve(true) |
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} |
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throw err |
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}) |
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} |
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61
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} |
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63
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function waitForServerExit(proc, isStopped, getStatus, auth) { |
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let max = 60, factor = 1, minTimeout = 2000 |
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const check = () => { |
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return apiReq(proc.endpoint, 'GET', auth) |
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.then(response => { |
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if(isStopped(response)) { |
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log.debug('server tunnel instance (serverId %s) corresponding to tunnel with pid %d is stopped', proc.serverId, proc.pid) |
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return true |
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} |
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log.debug('serverId %s not terminated yet on server, status is %s', proc.pid, proc.serverId, getStatus(response)) |
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throw new Error('Platforms.Core.Tunnel.Process: not terminated on server side yet') |
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}) |
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} |
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return retry(check, { retries: max, minTimeout: minTimeout, factor: factor }) |
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} |
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function waitForExit(proc) { |
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let max = 60, factor = 1, minTimeout = 2000 |
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const check = () => { |
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if('stopped' === proc.status()) { |
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log.debug('killed') |
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delete proc.stopping |
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return true |
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} |
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log.debug('still alive...') |
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throw new Error('waiting for process to die') |
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} |
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return retry(check, { retries: max, minTimeout: minTimeout, factor: factor }) |
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} |
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93
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function apiReq(url, method, auth) { |
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let options = { |
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json: true, |
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auth: auth |
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97
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} |
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let req = new Request() |
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return req.request(url, method, options) |
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} |
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101
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102
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exports.Process = Process |
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103
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cross-browser-tests-runner /
cross-browser-tests-runner
