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core to Pi node-red-nodes info updates

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to be more consistent style
This commit is contained in:
Dave Conway-Jones
2016-02-12 13:14:12 +00:00
parent 5a95e9c404
commit dd250a77bc
12 changed files with 46 additions and 49 deletions
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47
io/ping/88-ping.js
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@@ -1,5 +1,5 @@
/**
* Copyright 2013 IBM Corp.
* Copyright 2013,2016 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -16,46 +16,35 @@
module.exports = function(RED) {
"use strict";
var spawn = require('child_process').spawn;
var plat = require('os').platform();
var dns = require("dns")
var ping = require ("net-ping");
function PingNode(n) {
RED.nodes.createNode(this,n);
this.host = n.host;
this.timer = n.timer * 1000;
this.session = ping.createSession();
var node = this;
node.tout = setInterval(function() {
var ex;
if (plat == "linux") { ex = spawn('ping', ['-n', '-w', '5', '-c', '1', node.host]); }
else if (plat.match(/^win/)) { ex = spawn('ping', ['-n', '1', '-w', '5000', node.host]); }
else if (plat == "darwin") { ex = spawn('ping', ['-n', '-t', '5', '-c', '1', node.host]); }
else { node.error("Sorry - your platform - "+plat+" - is not recognised."); }
var res = false;
var line = "";
//var regex = /from.*time.(.*)ms/;
var regex = /=.*[<|=]([0-9]*).*TTL|ttl..*=([0-9\.]*)/;
ex.stdout.on('data', function (data) {
line += data.toString();
});
//ex.stderr.on('data', function (data) {
//console.log('[ping] stderr: ' + data);
//});
ex.on('close', function (code) {
var m = regex.exec(line)||"";
if (m !== '') {
if (m[1]) { res = Number(m[1]); }
if (m[2]) { res = Number(m[2]); }
}
var msg = { payload:false, topic:node.host };
if (code === 0) { msg = { payload:res, topic:node.host }; }
try { node.send(msg); }
catch(e) {}
dns.lookup(node.host, function(err, address, family) {
if (typeof address === 'undefined') { address = node.host; }
node.session.pingHost(address, function(error, target, sent, rcvd) {
var msg = { payload:false, topic:target };
if (error) {
msg.error = error.toString();
} else {
msg.payload = rcvd - sent;
}
node.send(msg);
node.session.close();
});
});
}, node.timer);
this.on("close", function() {
if (this.tout) { clearInterval(this.tout); }
if (node.tout) { clearInterval(this.tout); }
if (node.session) { node.session.close(); }
});
}
RED.nodes.registerType("ping",PingNode);