computes-vm/dist/function.js

Computes virtual machine

// Generated by CoffeeScript 1.11.1
(function() {
  var CallbackComponent, Function, path,
    bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
    hasProp = {}.hasOwnProperty;

  CallbackComponent = require('computes-component-callback');

  path = require('path');

  Function = (function(superClass) {
    extend(Function, superClass);

    function Function(options, dependencies) {
      if (dependencies == null) {
        dependencies = {};
      }
      this.onEnvelope = bind(this.onEnvelope, this);
      this.child_process = dependencies.child_process;
      if (this.child_process == null) {
        this.child_process = require('child_process');
      }
      Function.__super__.constructor.apply(this, arguments);
    }

    Function.prototype.onEnvelope = function(envelope, callback) {
      var child;
      child = this.child_process.fork(path.join(__dirname, './function-worker-runner.js'));
      child.send(envelope);
      child.on('message', (function(_this) {
        return function(message) {
          if (_this.childDone) {
            return;
          }
          if (message.type === 'error') {
            _this.childDone = true;
            child.kill('SIGKILL');
            callback(new Error(message.error));
            return;
          }
          if (message.type === 'ready') {
            setTimeout(function() {
              if (_this.childDone) {
                return;
              }
              _this.childDone = true;
              child.kill('SIGKILL');
              return callback(new Error('Function took too long'));
            }, 60000);
            return;
          }
          if (message.type === 'envelope') {
            _this.childDone = true;
            child.kill('SIGKILL');
            envelope = message.envelope;
            callback(null, envelope.message);
          }
        };
      })(this));
      return child;
    };

    return Function;

  })(CallbackComponent);

  module.exports = Function;

}).call(this);

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