160 lines
4.1 KiB
JavaScript
160 lines
4.1 KiB
JavaScript
const index = require('./index.js');
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const fs=require("fs");
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let uptimeObject={};
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if(fs.existsSync("./uptime.json")){
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try{
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uptimeObject=JSON.parse(fs.readFileSync('./uptime.json', 'utf8'));
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}catch{
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uptimeObject={};
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}
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}
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if(uptimeObject["undefined"]){
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delete uptimeObject["undefined"];
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updatejson();
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}
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async function observe(instances){
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const active=new Set();
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async function resolveinstance(instance){
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try{calcStats(instance)}catch(e){console.error(e)}
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let api;
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if(instance.urls){
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api=instance.urls.api;
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}else if(instance.url){
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const urls=await index.getapiurls(instance.url);
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if(urls){
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api=urls.api;
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}
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}
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if(!api||api===""){
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setStatus(instance,false);
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console.warn(instance.name+" does not resolve api URL");
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setTimeout(_=>{resolveinstance(instance)},1000*60*30,);
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return
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}
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active.add(instance.name);
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api+=api.endsWith("/")?"":"/"
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function check(){
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fetch(api+"ping",{method:"HEAD"}).then(_=>{
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setStatus(instance,_.ok);
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})
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}
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setTimeout(
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_=>{
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check();
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setInterval(_=>{
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check();
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},1000*60*30)
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},Math.random()*1000*60*10
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)
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}
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const promlist=[];
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for(const instance of instances){
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promlist.push(resolveinstance(instance));
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}
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await Promise.allSettled(promlist);
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for(const key of Object.keys(uptimeObject)){
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if(!active.has(key)){
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setStatus(key,false);
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}
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}
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}
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function calcStats(instance){
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let obj=uptimeObject[instance.name];
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if(!obj) return;
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const day=Date.now()-1000*60*60*24;
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const week=Date.now()-1000*60*60*24*7;
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let alltime=-1;
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let totalTimePassed=0;
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let daytime=-1;
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let weektime=-1;
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let online=false;
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let i=0;
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for(const thing of obj){
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online=thing.online;
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const stamp=thing.time;
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if(alltime===-1){
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alltime=0;
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}
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let timepassed;
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if(obj[i+1]){
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timepassed=obj[i+1].time-stamp;
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}else{
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timepassed=Date.now()-stamp;
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}
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totalTimePassed+=timepassed;
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alltime+=online*timepassed;
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if(stamp>week){
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if(weektime===-1){
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weektime=online*(stamp-week);
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}else{
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weektime+=online*timepassed;
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}
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if(stamp>day){
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if(daytime===-1){
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daytime=online*(stamp-day);
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}else{
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daytime+=online*timepassed;
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}
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}
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}
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i++;
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}
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console.log(daytime);
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instance.online=online;
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alltime/=totalTimePassed;
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if(totalTimePassed>1000*60*60*24){
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if(daytime===-1){
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daytime=online*1000*60*60*24;
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}
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daytime/=1000*60*60*24;
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if(totalTimePassed>1000*60*60*24*7){
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if(weektime===-1){
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weektime=online*1000*60*60*24*7;
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}
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weektime/=1000*60*60*24*7;
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}else{
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weektime=alltime;
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}
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}else{
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weektime=alltime
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daytime=alltime;
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}
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instance.uptime={daytime,weektime,alltime}
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}
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/**
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* @param {string|Object} instance
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* @param {boolean} status
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*/
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function setStatus(instance,status){
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let name=instance.name;
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if(typeof instance==="string" ){
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name=instance;
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}
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let obj=uptimeObject[name];
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let needSetting=false;
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if(!obj){
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obj=[];
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uptimeObject[name]=obj;
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needSetting=true;
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}else{
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if(obj[obj.length-1].online!==status){
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needSetting=true;
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}
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}
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if(needSetting){
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obj.push({time:Date.now(),online:status});
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updatejson();
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}
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if(typeof instance!=="string" ){
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calcStats(instance);
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}
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}
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function updatejson(){
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fs.writeFile('./uptime.json',JSON.stringify(uptimeObject),_=>{});
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}
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exports.observe=observe;
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exports.uptime=uptimeObject;
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