teeworlds-econ/lib/transaction.js

Teeworlds external console

var EconError, EventEmitter, Transaction, generateTransactionId,
  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;

generateTransactionId = require('./utils').generateTransactionId;

EventEmitter = require('events').EventEmitter;

EconError = require('./errors').EconError;

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

  function Transaction(command, arg) {
    var timeout;
    timeout = arg.timeout;
    this.command = command;
    this.data = [];
    this.started = false;
    this.done = false;
    this.id = generateTransactionId();
    this.beginRe = new RegExp("^\\[Console\\]: begin " + this.id + "$");
    this.endRe = new RegExp("^\\[Console\\]: end " + this.id + "$");
    this.timeoutTimer = setTimeout(((function(_this) {
      return function() {
        return _this.emit('error', new EconError('Transaction timeout'));
      };
    })(this)), timeout);
  }

  Transaction.prototype.getCommand = function() {
    return "echo \"begin " + this.id + "\"; " + this.command + "; echo \"end " + this.id + "\"";
  };

  Transaction.prototype.handleMessage = function(message) {
    if (this.beginRe.test(message)) {
      this.started = true;
      this.emit('begin', {
        id: this.id
      });
      return;
    }
    if (this.endRe.test(message)) {
      clearTimeout(this.timeoutTimer);
      this.done = true;
      this.emit('end', {
        id: this.id,
        result: this.data.join('\n')
      });
      return;
    }
    if (this.started) {
      return this.data.push(message);
    }
  };

  return Transaction;

})(EventEmitter);

module.exports = Transaction;