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log undefined ping

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This commit is contained in:
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), WIN = /^win/.test(process.platform),
LIN = /^linux/.test(process.platform), LIN = /^linux/.test(process.platform),
MAC = /^darwin/.test(process.platform); MAC = /^darwin/.test(process.platform);
const { debug } = require("../src/util");
module.exports = Ping; module.exports = Ping;
function Ping(host, options) { function Ping (host, options) {
if (!host) { if (!host) {
throw new Error("You must specify a host to ping!"); throw new Error("You must specify a host to ping!");
} }
@ -65,9 +66,9 @@ Ping.prototype.__proto__ = events.EventEmitter.prototype;
// SEND A PING // SEND A PING
// =========== // ===========
Ping.prototype.send = function(callback) { Ping.prototype.send = function (callback) {
let self = this; let self = this;
callback = callback || function(err, ms) { callback = callback || function (err, ms) {
if (err) { if (err) {
return self.emit("error", 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 = 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; _errored = true;
callback(err); 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._stdout = (this._stdout || "") + data;
}); });
this._ping.stdout.on("end", function() { this._ping.stdout.on("end", function () {
_ended = true; _ended = true;
if (_exited && !_errored) { if (_exited && !_errored) {
onEnd.call(self._ping); 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._stderr = (this._stderr || "") + data;
}); });
this._ping.on("exit", function(code) { // handle complete this._ping.on("exit", function (code) { // handle complete
_exited = true; _exited = true;
if (_ended && !_errored) { if (_ended && !_errored) {
onEnd.call(self._ping); onEnd.call(self._ping);
} }
}); });
function onEnd() { function onEnd () {
let stdout = this.stdout._stdout, let stdout = this.stdout._stdout,
stderr = this.stderr._stderr, stderr = this.stderr._stderr,
ms; ms;
@ -121,15 +122,19 @@ Ping.prototype.send = function(callback) {
ms = stdout.match(self._regmatch); // parse out the ##ms response ms = stdout.match(self._regmatch); // parse out the ##ms response
ms = (ms && ms[1]) ? Number(ms[1]) : ms; ms = (ms && ms[1]) ? Number(ms[1]) : ms;
if (! ms) {
debug(stdout)
}
callback(null, ms, stdout); callback(null, ms, stdout);
} }
}; };
// CALL Ping#send(callback) ON A TIMER // CALL Ping#send(callback) ON A TIMER
// =================================== // ===================================
Ping.prototype.start = function(callback) { Ping.prototype.start = function (callback) {
let self = this; let self = this;
this._i = setInterval(function() { this._i = setInterval(function () {
self.send(callback); self.send(callback);
}, (self._options.interval || 5000)); }, (self._options.interval || 5000));
self.send(callback); self.send(callback);
@ -137,6 +142,6 @@ Ping.prototype.start = function(callback) {
// STOP SENDING PINGS // STOP SENDING PINGS
// ================== // ==================
Ping.prototype.stop = function() { Ping.prototype.stop = function () {
clearInterval(this._i); clearInterval(this._i);
}; };