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log undefined ping

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LouisLam 2021-08-10 21:47:14 +08:00
parent 764160f38c
commit 3227a2660b
1 changed files with 17 additions and 12 deletions
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29
server/ping-lite.js
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@ -7,10 +7,11 @@ const spawn = require("child_process").spawn,
WIN = /^win/.test(process.platform),
LIN = /^linux/.test(process.platform),
MAC = /^darwin/.test(process.platform);
const { debug } = require("../src/util");
module.exports = Ping;
function Ping(host, options) {
function Ping (host, options) {
if (!host) {
throw new Error("You must specify a host to ping!");
}
@ -65,9 +66,9 @@ Ping.prototype.__proto__ = events.EventEmitter.prototype;
// SEND A PING
// ===========
Ping.prototype.send = function(callback) {
Ping.prototype.send = function (callback) {
let self = this;
callback = callback || function(err, ms) {
callback = callback || function (err, ms) {
if (err) {
return self.emit("error", err);
}
@ -78,34 +79,34 @@ Ping.prototype.send = function(callback) {
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._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);
}
});
this._ping.stderr.on("data", function(data) { // log stderr
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);
}
});
function onEnd() {
function onEnd () {
let stdout = this.stdout._stdout,
stderr = this.stderr._stderr,
ms;
@ -121,15 +122,19 @@ Ping.prototype.send = function(callback) {
ms = stdout.match(self._regmatch); // parse out the ##ms response
ms = (ms && ms[1]) ? Number(ms[1]) : ms;
if (! ms) {
debug(stdout)
}
callback(null, ms, stdout);
}
};
// CALL Ping#send(callback) ON A TIMER
// ===================================
Ping.prototype.start = function(callback) {
Ping.prototype.start = function (callback) {
let self = this;
this._i = setInterval(function() {
this._i = setInterval(function () {
self.send(callback);
}, (self._options.interval || 5000));
self.send(callback);
@ -137,6 +142,6 @@ Ping.prototype.start = function(callback) {
// STOP SENDING PINGS
// ==================
Ping.prototype.stop = function() {
Ping.prototype.stop = function () {
clearInterval(this._i);
};