Add downtime counter

This commit is contained in:
Aelita4 2022-08-17 12:13:29 +02:00
parent 7e25c2162e
commit aa84456054
Signed by: Aelita4
GPG Key ID: F8EC95519509D1D5
1 changed files with 23 additions and 8 deletions

View File

@ -12,12 +12,15 @@ const ping = async host => {
const app = new express();
const pings = new Map();
if(!fs.existsSync("data.json")) fs.writeFileSync("data.json", "[]");
let addresses = JSON.parse(fs.readFileSync("./data.json", {encoding:'utf8', flag:'r'}))
addresses.forEach(a => pings.set(a, -1));
const timeoutDelay = 60000;
app.get("/", async (req, res) => {
if(!fs.existsSync("data.json")) fs.writeFileSync("data.json", "[]");
const addresses = JSON.parse(fs.readFileSync("./data.json", {encoding:'utf8', flag:'r'}))
const timeoutDelay = 60000;
addresses = JSON.parse(fs.readFileSync("./data.json", {encoding:'utf8', flag:'r'}))
let out = `<html><head><script>const addresses = ["${addresses.join('", "')}"];
function clock() {
@ -61,8 +64,8 @@ app.get("/", async (req, res) => {
b.innerHTML = '<span style="color:blue;">PINGING...</span>'
await fetch('http://localhost:8080/ping/' + a)
.then((response) => response.json())
.then((data) => {
b.innerHTML = data.alive ? '<span style="color:green;">UP (' + data.numeric_host + ") " + data.time + 'ms</span>' : '<span style="color:red;">DOWN' + ((data.host == "unknown") ? " (UNKNOWN HOST)" : (" (" + data.numeric_host + ")")) + '</span>'
.then(async (data) => {
b.innerHTML = data.alive ? '<span style="color:green;">UP (' + data.numeric_host + ") " + data.time + 'ms</span>' : '<span style="color:red;">DOWN' + ((data.host == "unknown") ? " (UNKNOWN HOST)" : (" (" + data.numeric_host + ")")) + " since " + new Date((await (await fetch('http://localhost:8080/downtime/' + a)).json()).downSince) + '</span>'
});
})
@ -96,11 +99,23 @@ app.get("/", async (req, res) => {
});
app.get("/ping/:ip", async (req, res) => {
const r = await ping(req.params.ip);
const ip = req.params.ip;
const r = await ping(ip);
if(!r.alive && pings.get(ip) === -1) pings.set(ip, Date.now());
else if(r.alive) pings.set(ip, -1);
res.setHeader('Content-Type', 'application/json');
res.end(JSON.stringify(r));
});
app.get("/downtime/:ip", async (req, res) => {
const ip = req.params.ip;
const json = { downSince: pings.get(ip) };
res.setHeader('Content-Type', 'application/json');
res.end(JSON.stringify(json));
});
app.get("/addIP/:ip", async (req, res) => {
if(!fs.existsSync("data.json")) fs.writeFileSync("data.json", "[]");
const json = JSON.parse(fs.readFileSync("./data.json", {encoding:'utf8', flag:'r'}));