83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
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'use strict';
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var util = require('util');
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var base = require('./base');
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/**
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* @constructor
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* @param {string} addr - Hostname or ip addres
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* @param {PingConfig} config - Config object in probe()
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*/
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function MacParser(addr, config) {
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base.call(this, addr, config);
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}
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util.inherits(MacParser, base);
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/**
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* Process output's header
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* @param {string} line - A line from system ping
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*/
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MacParser.prototype._processHeader = function (line) {
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// Get host and numeric_host
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var tokens = line.split(' ');
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this._response.host = tokens[1];
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this._response.numeric_host = tokens[2].slice(1, -2);
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this._changeState(this.STATES.BODY);
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};
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/**
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* Process output's body
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* @param {string} line - A line from system ping
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*/
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MacParser.prototype._processBody = function (line) {
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// XXX: Assume there is at least 3 '=' can be found
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var count = (line.match(/=/g) || []).length;
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if (count >= 3) {
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var regExp = /([0-9.]+)[ ]*ms/;
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var match = regExp.exec(line);
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this._times.push(parseFloat(match[1], 10));
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}
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// Change state if it see a '---'
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if (line.indexOf('---') >= 0) {
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this._changeState(this.STATES.FOOTER);
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}
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};
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/**
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* Process output's footer
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* @param {string} line - A line from system ping
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*/
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MacParser.prototype._processFooter = function (line) {
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var packetLoss = line.match(/ ([\d.]+)%/);
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if (packetLoss) {
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this._response.packetLoss = parseFloat(packetLoss[1], 10);
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}
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// XXX: Assume number of keywords '/' more than 3
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var count = (line.match(/[/]/g) || []).length;
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if (count >= 3) {
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var regExp = /([0-9.]+)/g;
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// XXX: Assume min avg max stddev
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var m1 = regExp.exec(line);
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var m2 = regExp.exec(line);
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var m3 = regExp.exec(line);
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var m4 = regExp.exec(line);
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if (m1 && m2 && m3 && m4) {
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this._response.min = parseFloat(m1[1], 10);
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this._response.avg = parseFloat(m2[1], 10);
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this._response.max = parseFloat(m3[1], 10);
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this._response.stddev = parseFloat(m4[1], 10);
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this._changeState(this.STATES.END);
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}
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this._changeState(this.STATES.END);
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}
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};
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module.exports = MacParser;
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