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BREAKING CHANGE(serviceworker): Move serviceworker speedtest to time-based chunked transfers and update dashboard/server contract

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Jürgen Kunz
2025-12-04 13:42:19 +00:00
parent 5f015380be
commit 43a335ab3a
6 changed files with 83 additions and 53 deletions
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62
ts_web_serviceworker/classes.dashboard.ts
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@@ -43,13 +43,18 @@ export class DashboardGenerator {
});
}
// Speedtest configuration
private static readonly TEST_DURATION_MS = 5000; // 5 seconds per test
private static readonly CHUNK_SIZE_KB = 64; // 64KB chunks
/**
* Runs a speedtest and returns the results
* Runs a time-based speedtest and returns the results
* Each test (download/upload) runs for TEST_DURATION_MS, transferring chunks continuously
*/
public async runSpeedtest(): Promise<Response> {
const metrics = getMetricsCollector();
const results: {
latency?: { durationMs: number; speedMbps: number };
latency?: { durationMs: number };
download?: { durationMs: number; speedMbps: number; bytesTransferred: number };
upload?: { durationMs: number; speedMbps: number; bytesTransferred: number };
error?: string;
@@ -75,32 +80,49 @@ export class DashboardGenerator {
interfaces.serviceworker.IRequest_Serviceworker_Speedtest
>('serviceworker_speedtest');
// Latency test
// Latency test - simple ping
const latencyStart = Date.now();
await speedtestRequest.fire({ type: 'latency' });
const latencyDuration = Date.now() - latencyStart;
results.latency = { durationMs: latencyDuration, speedMbps: 0 };
results.latency = { durationMs: latencyDuration };
metrics.recordSpeedtest('latency', latencyDuration);
results.isOnline = true;
metrics.setOnlineStatus(true);
// Download test (100KB)
const downloadStart = Date.now();
const downloadResult = await speedtestRequest.fire({ type: 'download', payloadSizeKB: 100 });
const downloadDuration = Date.now() - downloadStart;
const bytesTransferred = downloadResult.payload?.length || 0;
const downloadSpeedMbps = downloadDuration > 0 ? (bytesTransferred * 8) / (downloadDuration * 1000) : 0;
results.download = { durationMs: downloadDuration, speedMbps: downloadSpeedMbps, bytesTransferred };
metrics.recordSpeedtest('download', downloadSpeedMbps);
// Download test - request chunks for TEST_DURATION_MS
{
const downloadStart = Date.now();
let totalBytes = 0;
while (Date.now() - downloadStart < DashboardGenerator.TEST_DURATION_MS) {
const chunkResult = await speedtestRequest.fire({
type: 'download_chunk',
chunkSizeKB: DashboardGenerator.CHUNK_SIZE_KB,
});
totalBytes += chunkResult.bytesTransferred;
}
const downloadDuration = Date.now() - downloadStart;
const downloadSpeedMbps = downloadDuration > 0 ? (totalBytes * 8) / (downloadDuration * 1000) : 0;
results.download = { durationMs: downloadDuration, speedMbps: downloadSpeedMbps, bytesTransferred: totalBytes };
metrics.recordSpeedtest('download', downloadSpeedMbps);
}
// Upload test (100KB)
const uploadPayload = 'x'.repeat(100 * 1024);
const uploadStart = Date.now();
await speedtestRequest.fire({ type: 'upload', payload: uploadPayload });
const uploadDuration = Date.now() - uploadStart;
const uploadSpeedMbps = uploadDuration > 0 ? (uploadPayload.length * 8) / (uploadDuration * 1000) : 0;
results.upload = { durationMs: uploadDuration, speedMbps: uploadSpeedMbps, bytesTransferred: uploadPayload.length };
metrics.recordSpeedtest('upload', uploadSpeedMbps);
// Upload test - send chunks for TEST_DURATION_MS
{
const uploadPayload = 'x'.repeat(DashboardGenerator.CHUNK_SIZE_KB * 1024);
const uploadStart = Date.now();
let totalBytes = 0;
while (Date.now() - uploadStart < DashboardGenerator.TEST_DURATION_MS) {
const chunkResult = await speedtestRequest.fire({
type: 'upload_chunk',
payload: uploadPayload,
});
totalBytes += chunkResult.bytesTransferred;
}
const uploadDuration = Date.now() - uploadStart;
const uploadSpeedMbps = uploadDuration > 0 ? (totalBytes * 8) / (uploadDuration * 1000) : 0;
results.upload = { durationMs: uploadDuration, speedMbps: uploadSpeedMbps, bytesTransferred: totalBytes };
metrics.recordSpeedtest('upload', uploadSpeedMbps);
}
} catch (error) {
results.error = error instanceof Error ? error.message : String(error);