38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
var util = require('util');
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var EventEmitter = require('events').EventEmitter;
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var exec = require('child_process').exec;
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var IpPoll = function(target) {
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var self = this;
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var regexp = /([0-9]+)% packet loss/m;
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var command = "LANG=C ping -c 2";
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this.pollState = function() {
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try {
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exec(command + " " + target, function (error, stdout, stderr) {
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// console.log(stdout);
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var matches = regexp.exec(stdout);
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if (matches != null) {
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// console.log("matches " + JSON.stringify(matches));
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// console.log("length: " + matches.length);
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// console.log("matches 1: " + matches[1]);
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if (matches.length === 2) {
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self.emit('doneState', matches[1] === "0");
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}
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}
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});
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} catch(err) {
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self.emit('doneState', "unknown");
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}
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};
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};
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util.inherits(IpPoll, EventEmitter);
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module.exports = IpPoll;
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