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<!doctype html>

<html lang="en">

<head>

    <title>Code coverage report for src/broker.coffee</title>

    <meta charset="utf-8" />

    <link rel="stylesheet" href="../prettify.css" />

    <link rel="stylesheet" href="../base.css" />

    <meta name="viewport" content="width=device-width, initial-scale=1">

    <style type='text/css'>

        .coverage-summary .sorter {

            background-image: url(../sort-arrow-sprite.png);

        }

    </style>

</head>

<body>

<div class='wrapper'>

  <div class='pad1'>

    <h1>

      <a href="../index.html">all files</a> / <a href="index.html">src/</a> broker.coffee

    </h1>

    <div class='clearfix'>

      <div class='fl pad1y space-right2'>

        <span class="strong">60.33% </span>

        <span class="quiet">Statements</span>

        <span class='fraction'>111/184</span>

      </div>

      <div class='fl pad1y space-right2'>

        <span class="strong">61.54% </span>

        <span class="quiet">Branches</span>

        <span class='fraction'>32/52</span>

      </div>

      <div class='fl pad1y space-right2'>

        <span class="strong">56% </span>

        <span class="quiet">Functions</span>

        <span class='fraction'>14/25</span>

      </div>

      <div class='fl pad1y space-right2'>

        <span class="strong">61.18% </span>

        <span class="quiet">Lines</span>

        <span class='fraction'>93/152</span>

      </div>

    </div>

  </div>

  <div class='status-line medium'></div>

<pre><table class="coverage">

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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">_ = require 'lodash'

&nbsp;

express = require 'express'

q = require 'q'

Slaputils = require 'slaputils'

&nbsp;

class Broker

&nbsp;

  WORKER_ACTIONS = ['REGISTER', 'UNREGISTER']

&nbsp;

  constructor: () -&gt;

    @logger.info 'Broker:constructor'

    

    @workerPool = []

    @jobPool = []

&nbsp;

    @router = express.Router()

    @router.get '/ping', @ping

    @router.get '/info', @getInfo

    @router.get '/', @getJobs

    @router.get '/workers', @getWorkers

    @router.delete '/', @cancelJob

    @router.put '/', @createJob

&nbsp;

<span class="fstat-no" title="function not covered" >  createJob: (req, res, next) =&gt;</span>

<span class="cstat-no" title="statement not covered" >    @logger.info "Broker:onHttpRequest PUT/jobexec"</span>

    # Validate the job is valid

<span class="cstat-no" title="statement not covered" >    job = {}</span>

&nbsp;

<span class="cstat-no" title="statement not covered" >    if req?.body?.job</span>

<span class="cstat-no" title="statement not covered" >      job = req.body.job</span>

<span class="cstat-no" title="statement not covered" >      @logger.info <span class="cstat-no" title="statement not covered" >"Broker:onHttpRequest request.body.job=#{<span class="cstat-no" title="statement not covered" >JSON.stringify job</span>}</span>"</span>

&nbsp;

<span class="cstat-no" title="statement not covered" >    if req?.body?</span>

<span class="cstat-no" title="statement not covered" >      job = req.body</span>

<span class="cstat-no" title="statement not covered" >      @logger.info <span class="cstat-no" title="statement not covered" >"Broker:onHttpRequest request.body=#{<span class="cstat-no" title="statement not covered" >JSON.stringify req.body</span>}</span>"</span>

&nbsp;

<span class="cstat-no" title="statement not covered" >    if not @_isValidJob job</span>

<span class="cstat-no" title="statement not covered" >      msg =</span>

        message: 'Invalid job request'

<span class="cstat-no" title="statement not covered" >      @sendResponse res, 400, msg</span>

<span class="cstat-no" title="statement not covered" >      return</span>

&nbsp;

<span class="cstat-no" title="statement not covered" >    worker = @onJobRequest job</span>

<span class="cstat-no" title="statement not covered" >    if _.isEmpty worker</span>

<span class="cstat-no" title="statement not covered" >      msg =</span>

        message: 'Could not process job. Reason: unavailable workers to perform operation'

<span class="cstat-no" title="statement not covered" >      @sendResponse res, 500, msg</span>

<span class="cstat-no" title="statement not covered" >      return</span>

&nbsp;

<span class="cstat-no" title="statement not covered" >    @logger.info <span class="cstat-no" title="statement not covered" >"Broker:onHttpRequest worker found=#{<span class="cstat-no" title="statement not covered" >worker</span>.id}</span>"</span>

<span class="cstat-no" title="statement not covered" >    worker.channel.send [JSON.stringify(job)]</span>

    .then <span class="fstat-no" title="function not covered" >(value) =&gt;</span>

<span class="cstat-no" title="statement not covered" >      @logger.info "Broker:onHttpRequest PUT/jobexec job finished"</span>

<span class="cstat-no" title="statement not covered" >      @onJobCompleted job</span>

      #todo extract job from response/value

      #   Value[0]     contains response:

      #   Value[0][0]  status object

      #   Value[0][1]  reply data (buffer)

<span class="cstat-no" title="statement not covered" >      if not value[0]? and not value[0][0]?</span>

<span class="cstat-no" title="statement not covered" >        status = value[0][0]</span>

      else <span class="cstat-no" title="statement not covered" >status = 'FAIL'</span>

&nbsp;

<span class="cstat-no" title="statement not covered" >      if status.status is 'OK'</span>

<span class="cstat-no" title="statement not covered" >        result = JSON.parse(value[0][1].toString())</span>

<span class="cstat-no" title="statement not covered" >        @logger.info <span class="cstat-no" title="statement not covered" >"Broker:onHttpRequest result: #{<span class="cstat-no" title="statement not covered" >JSON.stringify result</span>}</span>"</span>

<span class="cstat-no" title="statement not covered" >        @sendResponse res, 200, result</span>

      else

<span class="cstat-no" title="statement not covered" >        result = JSON.parse(value[0][1].toString())</span>

<span class="cstat-no" title="statement not covered" >        @logger.info <span class="cstat-no" title="statement not covered" >"Broker:onHttpRequest error: #{<span class="cstat-no" title="statement not covered" >JSON.stringify result</span>}</span>"</span>

<span class="cstat-no" title="statement not covered" >        @sendResponse res, 500, result</span>

&nbsp;

    .fail <span class="fstat-no" title="function not covered" >(err) =&gt;</span>

<span class="cstat-no" title="statement not covered" >      @logger.error <span class="cstat-no" title="statement not covered" >"Broker:onHttpRequest PUT/jobexec error = #{<span class="cstat-no" title="statement not covered" >err</span>.message}</span>"</span>

<span class="cstat-no" title="statement not covered" >      @onJobCompleted job</span>

      #todo extract job from response/value

<span class="cstat-no" title="statement not covered" >      result =</span>

        error: err.message

<span class="cstat-no" title="statement not covered" >      @sendResponse res, 500, result</span>

&nbsp;

<span class="fstat-no" title="function not covered" >  getWorkers: (req, res, next) =&gt;</span>

<span class="cstat-no" title="statement not covered" >    @logger.info "Broker:onHttpRequest GET/jobexec/workers"</span>

<span class="cstat-no" title="statement not covered" >    filtered = []</span>

<span class="cstat-no" title="statement not covered" >    _.forEach @workerPool, <span class="fstat-no" title="function not covered" >(value) -&gt;</span></span>

<span class="cstat-no" title="statement not covered" >      filtered.push _.omit(value, ['channel'])</span>

<span class="cstat-no" title="statement not covered" >    @sendResponse res, 200, filtered</span>

&nbsp;

<span class="fstat-no" title="function not covered" >  cancelJob: (req, res, next) =&gt;</span>

<span class="cstat-no" title="statement not covered" >    @logger.info "Broker:onHttpRequest GET/jobexec"</span>

<span class="cstat-no" title="statement not covered" >    result =</span>

      info: 'will be able to cancel job execution'

      error: 'to be done'

<span class="cstat-no" title="statement not covered" >    @sendResponse res, 500, result</span>

&nbsp;

<span class="fstat-no" title="function not covered" >  getJobs: (req, res, next) =&gt;</span>

<span class="cstat-no" title="statement not covered" >    @logger.info "Broker:onHttpRequest GET/jobexec"</span>

<span class="cstat-no" title="statement not covered" >    result =</span>

      info: 'will return job execution status'

      error: 'to be done'

<span class="cstat-no" title="statement not covered" >    @sendResponse res, 500, result</span>

&nbsp;

<span class="fstat-no" title="function not covered" >  ping: (req, res, next) =&gt;</span>

<span class="cstat-no" title="statement not covered" >    @logger.info "Broker:onHttpRequest GET/jobexec/echo"</span>

<span class="cstat-no" title="statement not covered" >    result =</span>

      message: 'cfe up and running'

<span class="cstat-no" title="statement not covered" >    @sendResponse res, 200, result</span>

&nbsp;

<span class="fstat-no" title="function not covered" >  getInfo: (req, res, next) =&gt;</span>

<span class="cstat-no" title="statement not covered" >    @logger.info "Broker:onHttpRequest GET/jobexec/info"</span>

<span class="cstat-no" title="statement not covered" >    result =</span>

      message: 'GET/jobexec/ping\tto check if is alive\n

                  PUT/jobexec\tcreate job\n

                  GET/jobexec/workers\tfetches worker pool\n

                  GET/jobexec\tgets current job execution\n

                  DELETE/jobexec\tdeletes job execution\n'

<span class="cstat-no" title="statement not covered" >    @sendResponse res, 200, result</span>

&nbsp;

<span class="fstat-no" title="function not covered" >  getRouter: ()</span> -&gt;

<span class="cstat-no" title="statement not covered" >    @router</span>

&nbsp;

  onWorkerMessage: (request, channels) =&gt;

    @logger.info "Broker:_onWorkerMessage message: #{JSON.stringify request}"

&nbsp;

    if @_isValidRequest(request, channels)

      action = request.action

      switch action

        when 'REGISTER'

          worker =

            id: request.id

            role: request.role

            idle: true

            channel: channels[0]

            type: request.type

            jobid: null

          @_addWorkerToPool worker

          break

&nbsp;

        when 'UNREGISTER'

          @_removeWorkerFromPool request.id

          break

        else

<span class="cstat-no" title="statement not covered" ><span class="branch-2 cbranch-no" title="branch not covered" >          @logger.error <span class="cstat-no" title="statement not covered" >"Broker:_onWorkerMessage unknown action #{<span class="cstat-no" title="statement not covered" >request</span>.action}</span>"</span></span>

    else

      @logger.error "Broker:_onWorkerMessage unknown message #{request}"

&nbsp;

  onJobRequest: (job) =&gt;

    worker = null

    @logger.info "Broker:onJobRequest job: #{JSON.stringify job}"

    <span class="missing-if-branch" title="else path not taken" >E</span>if @_isValidJob(job)

      # Select a worker

      worker = @_selectWorkerByType job.type, true

      <span class="missing-if-branch" title="else path not taken" >E</span>if worker? and worker.type == job.type

        # Update worker

        worker.idle = false

        worker.jobid = job.id

    return worker

&nbsp;

  onJobCompleted: (job) =&gt;

    worker = null

    <span class="missing-if-branch" title="else path not taken" >E</span>if job?.id?

      # Select the worker

      workers = _.filter @workerPool, {'jobid': job.id}

      <span class="missing-if-branch" title="else path not taken" >E</span>if workers?.length &gt; 0

        worker = workers[0]

        worker.idle = true

        worker.jobid = null

        @logger.info "Broker:onJobCompleted job: #{worker.id}"

    worker

&nbsp;

  _selectWorkerByType: (type, idle) =&gt;

    idleWorkers = _.filter @workerPool, {'idle', idle}

    avaliableWorkers = _.filter idleWorkers, {'type': type}

    @logger.info "Broker:_selectWorkerByType avaliableWorkers #{avaliableWorkers.length}"

    _.sample avaliableWorkers

&nbsp;

  _isValidAction: (request) -&gt;

    unless request?.action?

      @logger.warn "Broker:_isValidAction null ACTION"

      return false

    unless request.action in WORKER_ACTIONS

      @logger.warn "Broker:_isValidAction invalid ACTION command #{request.action}"

      return false

    true

&nbsp;

  _isValidRegister: (request) -&gt;

    unless request?.id? and request?.type?

      @logger.warn "Broker:_isValidRequest invalid PARAMETERS"

      return false

    true

&nbsp;

  _isValidUnRegister: (request) -&gt;

    unless request?.id?

      @logger.warn "Broker:_isValidUnRegister invalid PARAMETERS"

      return false

    true

&nbsp;

  _isValidChannel: (channels) -&gt;

    unless channels? and channels.length &gt; 0

      @logger.warn "Broker:_isValidChannel invalid channels"

      return false

    true

&nbsp;

  _isValidJob: (job) -&gt;

    unless job?.type? and job.id?

      @logger.warn "Broker:_isValidJob invalid job"

      return false

    true

&nbsp;

  _isValidRequest: (request, channels) -&gt;

    unless request? and @_isValidAction(request)

      @logger.warn "Broker:_isValidJob invalid request"

      return false

    action = request.action

    switch action

      when 'REGISTER'

        unless @_isValidRegister(request) and @_isValidChannel(channels)

          return false

        break

      when 'UNREGISTER'

        unless @_isValidUnRegister(request)

          return false

        break

      else

<span class="cstat-no" title="statement not covered" ><span class="branch-2 cbranch-no" title="branch not covered" >        return false</span></span>

    true

&nbsp;

  _addWorkerToPool: (worker) =&gt;

    <span class="missing-if-branch" title="if path not taken" >I</span>if not @workerPool?.length &gt; 1

<span class="cstat-no" title="statement not covered" >      @workerPool = []</span>

    found = _.find(@workerPool, {id: worker.id})

    if not found?

      @workerPool.push worker

      @logger.info "Broker:_addWorkerToPool REGISTER Worker #{worker.id}"

    else

      @logger.info "Worker:_addWorkerToPool worker already in WorkerPool:#{found.id}"

&nbsp;

  _removeWorkerFromPool: (id) =&gt;

    unregisteredWorker = _.remove(@workerPool, {'id': id})

    <span class="missing-if-branch" title="else path not taken" >E</span>if unregisteredWorker?

      @logger.info "Broker:_removeWorkerFromPool UNREGISTER Worker #{id}"

&nbsp;

<span class="fstat-no" title="function not covered" >  sendResponse: (response, code, msg) -&gt;</span>

<span class="cstat-no" title="statement not covered" >    response.writeHead code, {"Content-type": "text/json"}</span>

<span class="cstat-no" title="statement not covered" >    response.write JSON.stringify msg</span>

<span class="cstat-no" title="statement not covered" >    response.end()</span>

&nbsp;

Slaputils.setLogger [Broker]

module.exports = Broker

&nbsp;</pre></td></tr>

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