154 lines
No EOL
3.7 KiB
JavaScript
154 lines
No EOL
3.7 KiB
JavaScript
/* js/chart.js - Visualization Logic for Experiment 31 */
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/**
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* @fileoverview Modul zur Darstellung interaktiver Diagramme für Bandbreite und Reaktionszeit.
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* @module chart
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* @requires Chart.js (muss im HTML global eingebunden werden)
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*/
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/**
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* Rendert das Diagramm für Bandbreite.
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* @param {Array<Object>} data - Ergebnisdaten aus /results.
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* @returns {Chart | null} - Das erzeugte Chart.js-Objekt oder null bei Fehler.
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*/
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export function renderBandwidthChart(data) {
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try {
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const canvas = document.getElementById('bandwidthChart');
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if (!canvas) return null;
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const ctx = canvas.getContext('2d');
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const labels = data.map(item => new Date(item.timestamp).toLocaleTimeString());
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const values = data.map(item => item.band_width);
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if (canvas._chartInstance) {
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canvas._chartInstance.destroy();
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}
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const chart = new Chart(ctx, {
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type: 'line',
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data: {
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labels,
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datasets: [
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{
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label: 'Bandbreite (MB/s)',
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data: values,
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backgroundColor: 'rgba(54, 162, 235, 0.2)',
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borderColor: 'rgba(54, 162, 235, 1)',
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borderWidth: 2,
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tension: 0.25,
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fill: true
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}
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]
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},
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options: {
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responsive: true,
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maintainAspectRatio: false,
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scales: {
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x: {
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title: {
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display: true,
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text: 'Zeitstempel'
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}
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},
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y: {
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title: {
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display: true,
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text: 'Bandbreite (MB/s)'
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},
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beginAtZero: true
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}
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},
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plugins: {
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legend: {
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display: true,
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labels: {
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boxWidth: 20
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}
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}
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}
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}
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});
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canvas._chartInstance = chart;
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return chart;
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} catch (error) {
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console.error('Fehler beim Rendern des Bandbreiten-Diagramms:', error);
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return null;
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}
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}
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/**
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* Rendert das Diagramm für Reaktionszeit (retry_tail_p99).
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* @param {Array<Object>} data - Ergebnisdaten aus /results.
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* @returns {Chart | null} - Das erzeugte Chart.js-Objekt oder null bei Fehler.
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*/
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export function renderLatencyChart(data) {
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try {
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const canvas = document.getElementById('latencyChart');
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if (!canvas) return null;
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const ctx = canvas.getContext('2d');
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const labels = data.map(item => item.parallelism);
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const values = data.map(item => item.retry_tail_p99);
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if (canvas._chartInstance) {
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canvas._chartInstance.destroy();
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}
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const chart = new Chart(ctx, {
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type: 'bar',
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data: {
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labels,
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datasets: [
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{
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label: 'retry_tail_p99 (ms)',
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data: values,
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backgroundColor: 'rgba(255, 99, 132, 0.2)',
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borderColor: 'rgba(255, 99, 132, 1)',
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borderWidth: 1
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}
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]
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},
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options: {
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responsive: true,
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maintainAspectRatio: false,
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scales: {
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x: {
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title: {
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display: true,
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text: 'Parallelisierung'
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}
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},
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y: {
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title: {
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display: true,
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text: 'retry_tail_p99 (ms)'
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},
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beginAtZero: true
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}
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},
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plugins: {
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legend: {
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display: true
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},
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tooltip: {
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enabled: true,
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callbacks: {
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label: context => `${context.parsed.y} ms`
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}
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}
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}
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}
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});
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canvas._chartInstance = chart;
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return chart;
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} catch (error) {
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console.error('Fehler beim Rendern des Latenz-Diagramms:', error);
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return null;
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}
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}
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// Ende Datei js/chart.js
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