Revert "cache last heartbeat list in memory"

This reverts commit 87678ea92d.

server/client.js

@@ -33,14 +33,13 @@ async function sendNotificationList(socket) {
 async function sendHeartbeatList(socket, monitorID, toUser = false, overwrite = false) {
     const timeLogger = new TimeLogger();
 
-    let monitor = userMonitorList.getMonitor(socket.userID, monitorID);
-
-    if (! monitor) {
-        console.error("No this monitor??");
-        return;
-    }
-
-    let list = monitor.getCachedHeartbeatList().array;
+    let list = await R.find("heartbeat", `
+        monitor_id = ?
+        ORDER BY time DESC
+        LIMIT 100
+    `, [
+        monitorID,
+    ])
 
     let result = [];
 

server/limit-array.js

@@ -1,13 +0,0 @@
-class LimitArray {
-    limit = 100;
-    array = [];
-
-    add(item) {
-        this.array.push(item);
-        if (this.array.length > this.limit) {
-            this.array.shift();
-        }
-    }
-}
-
-module.exports = LimitArray;

server/model/monitor.js

@@ -6,20 +6,14 @@ dayjs.extend(utc)
 dayjs.extend(timezone)
 const axios = require("axios");
 const { Prometheus } = require("../prometheus");
-const { debug, UP, DOWN, PENDING, flipStatus, TimeLogger, getRandomInt } = require("../../src/util");
+const { debug, UP, DOWN, PENDING, flipStatus, TimeLogger } = require("../../src/util");
 const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom } = require("../util-server");
 const { R } = require("redbean-node");
 const { BeanModel } = require("redbean-node/dist/bean-model");
 const { Notification } = require("../notification")
 const { userMonitorList } = require("../user-monitor-list");
-const LimitArray = require("../limit-array");
 const version = require("../../package.json").version;
 
-/**
- * Master List
- */
-const cachedHeartbeatList = {};
-
 /**
  * status:
  *      0 = DOWN
@@ -27,29 +21,6 @@ const cachedHeartbeatList = {};
  *      2 = PENDING
  */
 class Monitor extends BeanModel {
-
-    /**
-     * Cache Last 100 Heartbeat list
-     * @returns {LimitArray}
-     */
-    getCachedHeartbeatList() {
-        return cachedHeartbeatList[this.id];
-    }
-
-    async onOpen() {
-        this.beanMeta.extraData = {};
-
-        cachedHeartbeatList[this.id] = new LimitArray();
-
-        cachedHeartbeatList[this.id].array = await R.find("heartbeat", `
-            monitor_id = ?
-            ORDER BY time DESC
-            LIMIT 100
-        `, [
-            this.id,
-        ]);
-    }
-
     async toJSON() {
 
         let notificationIDList = {};
@@ -112,6 +83,7 @@ class Monitor extends BeanModel {
         let prometheus = new Prometheus(this);
 
         const beat = async () => {
+
             // Expose here for prometheus update
             // undefined if not https
             let tlsInfo = undefined;
@@ -330,37 +302,22 @@ class Monitor extends BeanModel {
                 console.warn(`Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Type: ${this.type}`)
             }
 
-            if (! this.beanMeta.extraData.uniqueNumber) {
-                this.beanMeta.extraData.uniqueNumber = getRandomInt(0, 9999999999);
-            }
-
-            debug(this.beanMeta.extraData.uniqueNumber);
-
             io.to(this.user_id).emit("heartbeat", bean.toJSON());
             Monitor.sendStats(io, this.id, this.user_id)
 
             await R.store(bean);
-
-            // Also add to cache
-            this.getCachedHeartbeatList().add(bean);
-
             prometheus.update(bean, tlsInfo);
 
             previousBeat = bean;
 
-            if (this.beanMeta.extraData.stop !== true) {
             this.heartbeatInterval = setTimeout(beat, this.interval * 1000);
         }
-        }
 
         beat();
     }
 
     stop() {
-        console.log(`[Monitor: ${this.id}] Stop`);
-        debug("Stop " + this.beanMeta.extraData.uniqueNumber)
         clearTimeout(this.heartbeatInterval);
-        this.beanMeta.extraData.stop = true;
     }
 
     /**

server/server.js

@@ -283,7 +283,8 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
 
                 bean.import(monitor)
                 bean.user_id = socket.userID
-                await R.store(bean);
+                await R.store(bean)
+
                 await updateMonitorNotification(bean.id, notificationIDList)
 
                 await startMonitor(socket.userID, bean.id);
@@ -426,6 +427,7 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
                 let monitor = userMonitorList.getMonitor(socket.userID, monitorID);
 
                 if (monitor) {
+                    monitor.stop();
                     userMonitorList.delete(socket.userID, monitorID);
                 }
 
@@ -676,7 +678,7 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
     });
 
     console.log("Starting All Monitors");
-    await initMonitors();
+    await startMonitors();
 
     console.log("Init the server");
 
@@ -816,18 +818,24 @@ async function startMonitor(userID, monitorID) {
 
     let monitor = await R.findOne("monitor", " id = ? ", [
         monitorID,
-    ]);
+    ])
+
+    let oldMonitor = userMonitorList.getMonitor(userID, monitorID);
+
+    if (oldMonitor) {
+        oldMonitor.stop();
+    }
 
     userMonitorList.add(userID, monitor);
     monitor.start(io)
 }
 
 async function restartMonitor(userID, monitorID) {
-    return await startMonitor(userID, monitorID);
+    return await startMonitor(userID, monitorID)
 }
 
 async function pauseMonitor(userID, monitorID) {
-    await checkOwner(userID, monitorID);
+    await checkOwner(userID, monitorID)
 
     console.log(`Pause Monitor: ${monitorID} User ID: ${userID}`)
 
@@ -839,7 +847,6 @@ async function pauseMonitor(userID, monitorID) {
     let monitor = userMonitorList.getMonitor(userID, monitorID);
 
     if (monitor) {
-        monitor.active = 0;
         monitor.stop();
     }
 }
@@ -847,21 +854,14 @@ async function pauseMonitor(userID, monitorID) {
 /**
  * Resume active monitors
  */
-async function initMonitors() {
-    // Init all monitors
-    let list = await R.find("monitor");
-    let activeList = [];
+async function startMonitors() {
+    let list = await R.find("monitor", " active = 1 ");
 
     for (let monitor of list) {
         userMonitorList.add(monitor.user_id, monitor);
-
-        if (monitor.active) {
-            activeList.push(monitor);
-        }
     }
 
-    // Start active monitors only
-    delayStartMonitors(activeList);
+    delayStartMonitors(list);
 }
 
 /**

server/user-monitor-list.js

@@ -4,36 +4,14 @@
 class UserMonitorList {
     list = {};
 
-    /**
-     * Add or update
-     * @param userID
-     * @param monitor
-     */
     add(userID, monitor) {
         if (! this.list[userID]) {
             this.list[userID] = {};
         }
-
-        // Stopped the old monitor if same id
-        this.stop(userID, monitor.id);
-
         this.list[userID][monitor.id] = monitor;
     }
 
-    stop(userID, monitorID) {
-        if (this.list[userID][monitorID]) {
-            let oldMonitor = this.list[userID][monitorID];
-
-            if (oldMonitor) {
-                oldMonitor.stop();
-            } else {
-                console.log("No old monitor: " + monitorID);
-            }
-        }
-    }
-
     delete(userID, monitorID) {
-        this.stop(userID, monitorID);
         let monitorList = this.getMonitorList(userID);
         delete monitorList[monitorID];
     }