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controller.js
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controller.js
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var blessed = require('blessed');
var ping = require('ping');
var config = require('./config.json');
//const beeper = require('beeper');
// beeper();
// console.log("hi:2");
// return ;
//Config
const timeOut = 15*1000 ;
const bestTime = 5000 ;
const itemPerLine = 4 ;
const lineHeight = 3 ;
const avgSpeed = 10 ;
//Params
var maxWidth = 100/itemPerLine ;
//Screen configuration
var screen = blessed.screen({
smartCSR: true
});
screen.title = 'Server and domain checker';
// Quit on Escape, q, or Control-C.
screen.key(['escape', 'q', 'C-c'], function(ch, key) {
return process.exit(0);
});
var myDomains = config.hosts ;
var diagrams = [{name:'',box:blessed.box(),avg:0}];
diagrams=[];
for(var i = 0 ; i <myDomains.length; i++)
{
diagrams.push({avg:0,name:myDomains[i],box:blessed.box({
top: Math.floor(i/itemPerLine)*lineHeight,
left: ((i%itemPerLine)*maxWidth)+'%',
width: maxWidth+'%',
height: lineHeight,
content: myDomains[i],
style:{
bg: '#e0e0e0',
fg: 'black'
}
})});
loopMyPing(diagrams[i]);
}
function loopMyPing(data=diagrams[0])
{
var requestTime = new Date().getTime();
ping.promise.probe(data.name, {
timeout: timeOut/1000,
}).then(function (res) {
var respondTime = res.alive?new Date().getTime()-requestTime:timeOut ;
data.avg += (respondTime-data.avg)/avgSpeed;
var redString = Math.floor(Math.min((data.avg/bestTime)*0xe,0xe)).toString(16);
//if(redString.length==1)redString=redString+'0';
var greenString = Math.floor((Math.max(0,bestTime-data.avg)/bestTime)*0xe).toString(16);
//if(greenString.length==1)greenString=greenString+'0'
data.box.style.bg = '#'+redString+'0'+greenString+'000';
data.box.content = data.name+((data.name!=res.numeric_host)?('('+res.numeric_host+')>'):'>')+(res.alive?respondTime:' ! ')+'avg:'+Math.round(data.avg);
//data.box.style.bg = '#fff'
screen.append(data.box);
screen.render();
setTimeout(loopMyPing,2000,data);
});
}
//Screen rendering
render();
function render()
{
for(var i=0;i<diagrams.length ; i++)
{
screen.append(diagrams[i].box);
}
screen.render();
}