From 4ef7abb2958085e3872ed5f7c433c5ddbd10d79a Mon Sep 17 00:00:00 2001
From: Udo Walter
Date: Tue, 26 Feb 2019 10:31:45 +0100
Subject: table.html: (hopefully) fix crashes; keep offline servers greyed out
 for the timespan;

add ability to display ports (url query parameter 'ports'); fix display bug with ipv6 addresses;
---
 static/table.html | 144 ++++++++++++++++++++++++++++++++++--------------------
 1 file changed, 91 insertions(+), 53 deletions(-)

diff --git a/static/table.html b/static/table.html
index eb4ca4c..060c6c7 100644
--- a/static/table.html
+++ b/static/table.html
@@ -21,7 +21,7 @@
     justify-content: center;
     overflow-y: auto;
   }
-  
+
   .server {
     border-spacing: 2px 4px;
     background-color: #eee;
@@ -30,6 +30,10 @@
     max-width: 360px;
     margin: 3px;
   }
+
+  .server-offline {
+    filter: brightness(50%);
+  }
   
   .first-row {
     font-weight: bold;
@@ -56,7 +60,7 @@
 
   <div id="app">
     <div class="server-container">
-      <table v-for="(server, index) in servers" class="server" :style="{ border: '4px solid ' + GRAPH_COLORS[index] }">
+      <table v-for="server in servers" class="server" :class="{ 'server-offline': server.offline }" :style="{ border: '4px solid ' + server.graphColor }">
         <tbody>
           <tr class="first-row"><td colspan="2" class="server-ip">{{ server.address }}</td></tr>
           <tr><td>Uptime:</td><td class="expand">{{ formatSeconds(server.uptime) }}</td></tr>
@@ -77,7 +81,7 @@
           <tr><td>Client count:</td><td>{{ server.clientCount }}</td></tr>
           <tr><td>Server count:</td><td>{{ server.serverCount }}</td></tr>
           <tr v-for="client in server.clients">
-            <td class="client-label">{{ client.address.split( ":" )[0] }}</td>
+            <td class="client-label">{{ formatIpAddress(client.address) }}</td>
             <td class="client-speed" :style="calcBackgroundStyle(peak ? client.peakUploadSpeed : client.avgUploadSpeed)">
               <span>{{ formatBytes(peak ? client.peakUploadSpeed : client.avgUploadSpeed) }}/s</span>
             </td>
@@ -88,7 +92,7 @@
     <canvas ref="chart" :width="this.canvasWidth"></canvas>
   </div>
   
-<script src="vue.min.js"></script>
+<script src="vue.js"></script>
 <script src="smoothie.js"></script>
 
 <script>
@@ -97,45 +101,83 @@ var app = new Vue({
   el: '#app',
   data: {
     rawData: {},
-    servers: [],
-    logs: {},
+    serverMap: {},
     timespan: 120,
     peak: false,
+    ports: false,
     canvasWidth: 0,
     smoothie: null,
-    graphLines: {},
-    GRAPH_COLORS: ["#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00", "#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707", "#651067", "#329262", "#5574a6", "#3b3eac"]
+    graphColors: ["#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00", "#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707", "#651067", "#329262", "#5574a6", "#3b3eac"]
+  },
+  computed: {
+    servers () {
+      const servers = Object.values(this.serverMap)
+      servers.sort(this.compareObjectIps)
+      servers.forEach(server => {
+        if (this.rawData.timestamp - server.timestamp > 6000) server.offline = true
+        const clients = Object.values(server.clientMap)
+        if (this.peak) {
+          server.clients = clients.filter(client => client.peakUploadSpeed > 0)
+          server.clients.sort((a, b) => b.peakUploadSpeed - a.peakUploadSpeed)
+        } else {
+          server.clients = clients.filter(client => client.avgUploadSpeed > 0)
+          server.clients.sort((a, b) => b.avgUploadSpeed - a.avgUploadSpeed)
+        }
+      })
+      return servers
+    }
   },
   watch: {
     rawData () {
       if (this.rawData.servers) {
-        const servers = this.rawData.servers.slice(0)
-        servers.sort(this.compareObjectIps)
-        const currentTime = new Date().getTime()
-        servers.forEach((server, index) => {
-          this.calcSpeed(server)
-
-          // Update the graph
-          if (!this.graphLines[server.address]) {
-            Vue.set(this.graphLines, server.address, new TimeSeries({ logarithmicScale: true }))
-            this.smoothie.addTimeSeries(this.graphLines[server.address], { lineWidth: 2, strokeStyle: this.GRAPH_COLORS[index] })
+        this.rawData.servers.forEach(serverData => {
+          // Update server
+          var server = this.serverMap[serverData.address]
+          if (server) {
+            Object.assign(server, serverData)
+          } else {
+            server = {
+              ...serverData,
+              log: [],
+              clientMap: {},
+              graphColor: this.graphColors.shift(),
+              graphLine: new TimeSeries({ logarithmicScale: true })
+            }
+            Vue.set(this.serverMap, serverData.address, server)
+            this.smoothie.addTimeSeries(server.graphLine, { lineWidth: 2, strokeStyle: server.graphColor })
           }
-          this.graphLines[server.address].append(currentTime, server.uploadSpeed)
+          server.log.push(serverData)
+          this.calcSpeed(server)
+          server.graphLine.append(server.timestamp, server.uploadSpeed)
 
           // Update clients
-          server.clients.forEach(client => {
-            client.timestamp = server.timestamp
+          serverData.clients.forEach(clientData => {
+            clientData.timestamp = server.timestamp
+            var client = server.clientMap[clientData.address]
+            if (client) server.clientMap[clientData.address] = { ...client, ...clientData }
+            else Vue.set(server.clientMap, clientData.address, { ...clientData, log: [] })
+            client = server.clientMap[clientData.address]
+            client.log.push(clientData)
             this.calcSpeed(client)
           })
-          if (this.peak) {
-            server.clients = server.clients.filter(client => client.peakUploadSpeed > 0)
-            server.clients.sort((a, b) => b.peakUploadSpeed - a.peakUploadSpeed)
-          } else {
-            server.clients = server.clients.filter(client => client.avgUploadSpeed > 0)
-            server.clients.sort((a, b) => b.avgUploadSpeed - a.avgUploadSpeed)
-          }
         })
-        this.servers = servers
+      }
+
+      // Remove outdated values
+      for (let serverIp in this.serverMap) {
+        const server = this.serverMap[serverIp]
+        server.log = server.log.filter(x => x.timestamp > this.rawData.timestamp - this.timespan * 1000)
+        if (server.log.length === 0) {
+          this.smoothie.removeTimeSeries(server.graphLine)
+          this.graphColors.unshift(server.graphColor)
+          Vue.delete(this.serverMap, serverIp)
+        } else {
+          for (let clientIp in server.clientMap) {
+            const client = server.clientMap[clientIp]
+            client.log = client.log.filter(x => x.timestamp > this.rawData.timestamp - this.timespan * 1000)
+            if (client.log.length === 0) Vue.delete(server.clientMap, clientIp)
+          }
+        }
       }
     }
   },
@@ -146,33 +188,25 @@ var app = new Vue({
       setTimeout(this.updateData, 2000)
     },
     calcSpeed (obj) {
-      // Create a log for this ip if it doesn't exist already
-      if(!this.logs[obj.address]) Vue.set(this.logs, obj.address, [])
-      // Remove outdated values
-      this.logs[obj.address] = this.logs[obj.address].filter(x => x.timestamp > this.rawData.timestamp - this.timespan * 1000)
-      // Get the all the old values accumulated over the timespan
-      const log = this.logs[obj.address]
-      // Add new values to the log
-      if (log.length === 0 || obj.timestamp > log[log.length - 1].timestamp) log.push(obj)
+      // Need a minimum of two values to calculate the speed
+      if (obj.log.length <= 1) return 
 
-      if (log.length > 1) {
-        // Calculate current speeds
-        var a = log[log.length - 2]
-        const b = log[log.length - 1]
-        var time = (b.timestamp - a.timestamp) / 1000
-        obj.uploadSpeed = (b.bytesSent - a.bytesSent) / time
-        obj.downloadSpeed = (b.bytesReceived - a.bytesReceived) / time
+      // Calculate current speeds
+      var a = obj.log[obj.log.length - 2]
+      const b = obj.log[obj.log.length - 1]
+      var time = (b.timestamp - a.timestamp) / 1000
+      obj.uploadSpeed = (b.bytesSent - a.bytesSent) / time
+      obj.downloadSpeed = (b.bytesReceived - a.bytesReceived) / time
 
-        // Calculate peak speeds
-        obj.peakUploadSpeed = Math.max(...log.map(x => x.uploadSpeed || 0))
-        obj.peakDownloadSpeed = Math.max(...log.map(x => x.downloadSpeed || 0))
+      // Calculate peak speeds
+      obj.peakUploadSpeed = Math.max(...obj.log.map(x => x.uploadSpeed || 0))
+      obj.peakDownloadSpeed = Math.max(...obj.log.map(x => x.downloadSpeed || 0))
 
-        // Calculate average speeds
-        a = log[0]
-        time = (b.timestamp - a.timestamp) / 1000
-        obj.avgUploadSpeed = (b.bytesSent - a.bytesSent) / time
-        obj.avgDownloadSpeed = (b.bytesReceived - a.bytesReceived) / time
-      }
+      // Calculate average speeds
+      a = obj.log[0]
+      time = (b.timestamp - a.timestamp) / 1000
+      obj.avgUploadSpeed = (b.bytesSent - a.bytesSent) / time
+      obj.avgDownloadSpeed = (b.bytesReceived - a.bytesReceived) / time
     },
     formatBytes (bytes) {
       if (bytes < 1024) return bytes.toFixed(2) + ' B'
@@ -206,12 +240,16 @@ var app = new Vue({
     },
     logScale (value) {
       return Math.log(value/100000 + 1)
+    },
+    formatIpAddress (ip) {
+      return this.ports ? ip : ip.substring(0, ip.lastIndexOf(':')) 
     }
   },
   created () {
     const urlParams = new URLSearchParams(window.location.search)
     this.timespan = parseInt(urlParams.get('timespan')) || 120
     this.peak = urlParams.get('peak') === 'true' || urlParams.get('peak') === ''
+    this.ports = urlParams.get('ports') === 'true' || urlParams.get('ports') === ''
     this.updateData()
   },
   mounted () {
-- 
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