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This commit is contained in:
Adam Stachowicz
2021-07-27 19:47:13 +02:00
parent 8331e795e7
commit 9648d700d7
29 changed files with 1182 additions and 1089 deletions
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83
server/ping-lite.js
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@@ -1,9 +1,9 @@
// https://github.com/ben-bradley/ping-lite/blob/master/ping-lite.js
// Fixed on Windows
var spawn = require('child_process').spawn,
events = require('events'),
fs = require('fs'),
let spawn = require("child_process").spawn,
events = require("events"),
fs = require("fs"),
WIN = /^win/.test(process.platform),
LIN = /^linux/.test(process.platform),
MAC = /^darwin/.test(process.platform);
@@ -11,8 +11,9 @@ var spawn = require('child_process').spawn,
module.exports = Ping;
function Ping(host, options) {
if (!host)
throw new Error('You must specify a host to ping!');
if (!host) {
throw new Error("You must specify a host to ping!");
}
this._host = host;
this._options = options = (options || {});
@@ -20,26 +21,24 @@ function Ping(host, options) {
events.EventEmitter.call(this);
if (WIN) {
this._bin = 'c:/windows/system32/ping.exe';
this._args = (options.args) ? options.args : [ '-n', '1', '-w', '5000', host ];
this._bin = "c:/windows/system32/ping.exe";
this._args = (options.args) ? options.args : [ "-n", "1", "-w", "5000", host ];
this._regmatch = /[><=]([0-9.]+?)ms/;
}
else if (LIN) {
this._bin = '/bin/ping';
this._args = (options.args) ? options.args : [ '-n', '-w', '2', '-c', '1', host ];
} else if (LIN) {
this._bin = "/bin/ping";
this._args = (options.args) ? options.args : [ "-n", "-w", "2", "-c", "1", host ];
this._regmatch = /=([0-9.]+?) ms/; // need to verify this
}
else if (MAC) {
this._bin = '/sbin/ping';
this._args = (options.args) ? options.args : [ '-n', '-t', '2', '-c', '1', host ];
} else if (MAC) {
this._bin = "/sbin/ping";
this._args = (options.args) ? options.args : [ "-n", "-t", "2", "-c", "1", host ];
this._regmatch = /=([0-9.]+?) ms/;
}
else {
throw new Error('Could not detect your ping binary.');
} else {
throw new Error("Could not detect your ping binary.");
}
if (!fs.existsSync(this._bin))
throw new Error('Could not detect '+this._bin+' on your system');
if (!fs.existsSync(this._bin)) {
throw new Error("Could not detect " + this._bin + " on your system");
}
this._i = 0;
@@ -51,48 +50,56 @@ Ping.prototype.__proto__ = events.EventEmitter.prototype;
// SEND A PING
// ===========
Ping.prototype.send = function(callback) {
var self = this;
let self = this;
callback = callback || function(err, ms) {
if (err) return self.emit('error', err);
else return self.emit('result', ms);
if (err) {
return self.emit("error", err);
}
return self.emit("result", ms);
};
var _ended, _exited, _errored;
let _ended, _exited, _errored;
this._ping = spawn(this._bin, this._args); // spawn the binary
this._ping.on('error', function(err) { // handle binary errors
this._ping.on("error", function(err) { // handle binary errors
_errored = true;
callback(err);
});
this._ping.stdout.on('data', function(data) { // log stdout
this._stdout = (this._stdout || '') + data;
this._ping.stdout.on("data", function(data) { // log stdout
this._stdout = (this._stdout || "") + data;
});
this._ping.stdout.on('end', function() {
this._ping.stdout.on("end", function() {
_ended = true;
if (_exited && !_errored) onEnd.call(self._ping);
if (_exited && !_errored) {
onEnd.call(self._ping);
}
});
this._ping.stderr.on('data', function(data) { // log stderr
this._stderr = (this._stderr || '') + data;
this._ping.stderr.on("data", function(data) { // log stderr
this._stderr = (this._stderr || "") + data;
});
this._ping.on('exit', function(code) { // handle complete
this._ping.on("exit", function(code) { // handle complete
_exited = true;
if (_ended && !_errored) onEnd.call(self._ping);
if (_ended && !_errored) {
onEnd.call(self._ping);
}
});
function onEnd() {
var stdout = this.stdout._stdout,
let stdout = this.stdout._stdout,
stderr = this.stderr._stderr,
ms;
if (stderr)
if (stderr) {
return callback(new Error(stderr));
else if (!stdout)
return callback(new Error('No stdout detected'));
}
if (!stdout) {
return callback(new Error("No stdout detected"));
}
ms = stdout.match(self._regmatch); // parse out the ##ms response
ms = (ms && ms[1]) ? Number(ms[1]) : ms;
@@ -104,7 +111,7 @@ Ping.prototype.send = function(callback) {
// CALL Ping#send(callback) ON A TIMER
// ===================================
Ping.prototype.start = function(callback) {
var self = this;
let self = this;
this._i = setInterval(function() {
self.send(callback);
}, (self._options.interval || 5000));