2021-06-25 14:55:49 +01:00
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const dayjs = require("dayjs");
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2021-06-27 09:10:55 +01:00
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const utc = require('dayjs/plugin/utc')
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var timezone = require('dayjs/plugin/timezone')
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dayjs.extend(utc)
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dayjs.extend(timezone)
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const axios = require("axios");
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const {R} = require("redbean-node");
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2021-06-25 14:55:49 +01:00
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const {BeanModel} = require("redbean-node/dist/bean-model");
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2021-06-27 09:10:55 +01:00
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/**
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* status:
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* 0 = DOWN
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* 1 = UP
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*/
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2021-06-25 14:55:49 +01:00
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class Monitor extends BeanModel {
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toJSON() {
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return {
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id: this.id,
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name: this.name,
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url: this.url,
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upRate: this.upRate,
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active: this.active,
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type: this.type,
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interval: this.interval,
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};
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}
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start(io) {
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2021-06-29 09:06:20 +01:00
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let previousBeat = null;
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2021-06-27 09:10:55 +01:00
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const beat = async () => {
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2021-06-25 14:55:49 +01:00
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console.log(`Monitor ${this.id}: Heartbeat`)
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2021-06-27 09:10:55 +01:00
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2021-06-29 09:06:20 +01:00
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if (! previousBeat) {
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previousBeat = await R.findOne("heartbeat", " monitor_id = ? ORDER BY time DESC", [
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this.id
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])
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}
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2021-06-27 09:10:55 +01:00
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let bean = R.dispense("heartbeat")
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bean.monitor_id = this.id;
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bean.time = R.isoDateTime(dayjs.utc());
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bean.status = 0;
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try {
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if (this.type === "http") {
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let startTime = dayjs().valueOf();
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let res = await axios.get(this.url)
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bean.msg = `${res.status} - ${res.statusText}`
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bean.ping = dayjs().valueOf() - startTime;
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bean.status = 1;
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}
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} catch (error) {
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bean.msg = error.message;
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}
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2021-06-29 09:06:20 +01:00
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// Mark as important if status changed
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if (! previousBeat || previousBeat.status !== bean.status) {
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bean.important = true;
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} else {
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bean.important = false;
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}
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io.to(this.user_id).emit("heartbeat", bean.toJSON());
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2021-06-27 09:10:55 +01:00
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2021-06-30 14:04:58 +01:00
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Monitor.sendStats(io, this.id, this.user_id)
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2021-06-27 09:10:55 +01:00
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await R.store(bean)
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2021-06-29 09:06:20 +01:00
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previousBeat = bean;
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2021-06-25 14:55:49 +01:00
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}
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beat();
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this.heartbeatInterval = setInterval(beat, this.interval * 1000);
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}
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stop() {
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clearInterval(this.heartbeatInterval)
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}
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2021-06-30 14:04:58 +01:00
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static async sendStats(io, monitorID, userID) {
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Monitor.sendAvgPing(24, io, monitorID, userID);
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//Monitor.sendUptime(24, io, this.id);
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//Monitor.sendUptime(24 * 30, io, this.id);
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}
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static async sendAvgPing(duration, io, monitorID, userID) {
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let avgPing = parseInt(await R.getCell(`
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SELECT AVG(ping)
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FROM heartbeat
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WHERE time > DATE('now', ? || ' hours')
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AND monitor_id = ? `, [
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-duration,
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monitorID
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]));
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io.to(userID).emit("avgPing", monitorID, avgPing);
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}
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sendUptime(duration) {
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}
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2021-06-25 14:55:49 +01:00
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}
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module.exports = Monitor;
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