128 lines
3.4 KiB
Vue
128 lines
3.4 KiB
Vue
<template>
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<div class="cpu-memory">
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<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`" preserveAspectRatio="none">
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<defs>
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<linearGradient :id="cpuGradientId" x1="0" x2="0" y1="1" y2="0">
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<stop offset="0%" stop-color="hsl(180, 80%, 70%)"></stop>
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<stop offset="100%" stop-color="hsl(0, 80%, 70%)"></stop>
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</linearGradient>
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<mask :id="cpuMaskId" x="0" y="0" :width="viewBoxX" :height="viewBoxY">
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<polygon
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:points="cpuPolygonPoints"
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fill="#fff"
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fill-opacity="0.5"/>
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<polyline
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:points="cpuPolylinePoints"
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fill="none"
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stroke="#fff"
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stroke-width="1"/>
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</mask>
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</defs>
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<rect
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x="-1" y="-1"
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:width="viewBoxX + 2" :height="viewBoxY + 2"
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:style="`stroke: none; fill: url(#${ cpuGradientId }); mask: url(#${ cpuMaskId })`"/>
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<text x="1" y="5">CPU <tspan>{{ cpuP }}%</tspan></text>
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</svg>
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<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`" preserveAspectRatio="none">
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<defs>
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<linearGradient :id="memGradientId" x1="0" x2="0" y1="1" y2="0">
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<stop offset="0%" stop-color="hsl(180, 80%, 70%)"></stop>
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<stop offset="100%" stop-color="hsl(0, 80%, 70%)"></stop>
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</linearGradient>
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<mask :id="memMaskId" x="0" y="0" :width="viewBoxX" :height="viewBoxY">
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<polygon
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:points="memPolygonPoints"
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fill="#fff"
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fill-opacity="0.5"/>
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<polyline
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:points="memPolylinePoints"
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fill="none"
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stroke="#fff"
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stroke-width="1"/>
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</mask>
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</defs>
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<rect
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x="-1" y="-1"
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:width="viewBoxX + 2" :height="viewBoxY + 2"
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:style="`stroke: none; fill: url(#${ memGradientId }); mask: url(#${ memMaskId })`"/>
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<text x="1" y="5">MEM <tspan>{{ memP }}%</tspan></text>
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</svg>
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</div>
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</template>
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<script lang="ts">
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import Vue from 'vue';
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import * as uuid from 'uuid';
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export default Vue.extend({
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props: ['connection'],
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data() {
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return {
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viewBoxX: 50,
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viewBoxY: 30,
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stats: [],
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cpuGradientId: uuid(),
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cpuMaskId: uuid(),
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memGradientId: uuid(),
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memMaskId: uuid(),
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cpuPolylinePoints: '',
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memPolylinePoints: '',
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cpuPolygonPoints: '',
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memPolygonPoints: '',
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cpuP: '',
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memP: ''
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};
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},
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mounted() {
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this.connection.on('stats', this.onStats);
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},
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beforeDestroy() {
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this.connection.off('stats', this.onStats);
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},
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methods: {
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onStats(stats) {
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stats.mem.used = stats.mem.total - stats.mem.free;
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this.stats.push(stats);
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if (this.stats.length > 50) this.stats.shift();
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this.cpuPolylinePoints = this.stats.map((s, i) => `${this.viewBoxX - ((this.stats.length - 1) - i)},${(1 - s.cpu_usage) * this.viewBoxY}`).join(' ');
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this.memPolylinePoints = this.stats.map((s, i) => `${this.viewBoxX - ((this.stats.length - 1) - i)},${(1 - (s.mem.used / s.mem.total)) * this.viewBoxY}`).join(' ');
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this.cpuPolygonPoints = `${this.viewBoxX - (this.stats.length - 1)},${ this.viewBoxY } ${ this.cpuPolylinePoints } ${ this.viewBoxX },${ this.viewBoxY }`;
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this.memPolygonPoints = `${this.viewBoxX - (this.stats.length - 1)},${ this.viewBoxY } ${ this.memPolylinePoints } ${ this.viewBoxX },${ this.viewBoxY }`;
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this.cpuP = (stats.cpu_usage * 100).toFixed(0);
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this.memP = (stats.mem.used / stats.mem.total * 100).toFixed(0);
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}
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}
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});
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</script>
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<style lang="stylus" scoped>
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.cpu-memory
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> svg
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display block
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padding 10px
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width 50%
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float left
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&:first-child
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padding-right 5px
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&:last-child
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padding-left 5px
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> text
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font-size 5px
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fill rgba(0, 0, 0, 0.55)
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> tspan
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opacity 0.5
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&:after
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content ""
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display block
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clear both
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</style>
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