Initial commit

node_modules/ping/lib/parser/mac.js

@@ -0,0 +1,85 @@
+'use strict';
+
+var util = require('util');
+var __ = require('underscore');
+
+var base = require('./base');
+
+/**
+ * @constructor
+ *
+ * @param {string} addr - Hostname or ip addres
+ * @param {PingConfig} config - Config object in probe()
+ */
+function MacParser(addr, config) {
+    base.call(this, addr, config);
+}
+
+util.inherits(MacParser, base);
+
+/**
+ * Process output's header
+ * @param {string} line - A line from system ping
+ */
+MacParser.prototype._processHeader = function (line) {
+    // Get host and numeric_host
+    var tokens = line.split(' ');
+
+    this._response.host = tokens[1];
+    this._response.numeric_host = tokens[2].slice(1, -2);
+
+    this._changeState(this.STATES.BODY);
+};
+
+/**
+ * Process output's body
+ * @param {string} line - A line from system ping
+ */
+MacParser.prototype._processBody = function (line) {
+    // XXX: Assume there is at least 3 '=' can be found
+    var count = (line.match(/=/g) || []).length;
+    if (count >= 3) {
+        var regExp = /([0-9.]+)[ ]*ms/;
+        var match = regExp.exec(line);
+        this._times.push(parseFloat(match[1], 10));
+    }
+
+    // Change state if it see a '---'
+    if (line.indexOf('---') >= 0) {
+        this._changeState(this.STATES.FOOTER);
+    }
+};
+
+/**
+ * Process output's footer
+ * @param {string} line - A line from system ping
+ */
+MacParser.prototype._processFooter = function (line) {
+    var packetLoss = line.match(/ ([\d.]+)%/);
+    if (packetLoss) {
+        this._response.packetLoss = parseFloat(packetLoss[1], 10);
+    }
+
+    // XXX: Assume number of keywords '/' more than 3
+    var count = (line.match(/[/]/g) || []).length;
+    if (count >= 3) {
+        var regExp = /([0-9.]+)/g;
+        // XXX: Assume min avg max stddev
+        var m1 = regExp.exec(line);
+        var m2 = regExp.exec(line);
+        var m3 = regExp.exec(line);
+        var m4 = regExp.exec(line);
+
+        if (__.all([m1, m2, m3, m4])) {
+            this._response.min = parseFloat(m1[1], 10);
+            this._response.avg = parseFloat(m2[1], 10);
+            this._response.max = parseFloat(m3[1], 10);
+            this._response.stddev = parseFloat(m4[1], 10);
+            this._changeState(this.STATES.END);
+        }
+
+        this._changeState(this.STATES.END);
+    }
+};
+
+module.exports = MacParser;