Files
electric-cherry/src/lib/ui/components/TelemetryDiagnostics.svelte
T

197 lines
9.0 KiB
Svelte

<script lang="ts">
import { timeFormat } from '$ui/stores/time-zone.js';
import { onMount } from 'svelte';
import { TELEMETRY_REQUEST_RETENTION, type TelemetryRequestLogEntry } from '$lib/telemetry-diagnostics.js';
import { pollVisible } from '$ui/poll.js';
import Card from './primitives/Card.svelte';
import Badge from './primitives/Badge.svelte';
import Button from './primitives/Button.svelte';
import EmptyState from './primitives/EmptyState.svelte';
import ListFooter from './primitives/ListFooter.svelte';
let { server }: { server: string } = $props();
let requests = $state<TelemetryRequestLogEntry[]>([]);
let retention = $state<{ maxPerServer: number; maxAgeDays: number }>({ ...TELEMETRY_REQUEST_RETENTION });
let refreshing = $state(false);
let loaded = $state(false);
let error = $state('');
let refreshedAt = $state<string | null>(null);
let limit = $state(25);
let active = false;
let controller: AbortController | null = null;
async function refresh(): Promise<void> {
if (!active || refreshing) return;
const currentServer = server;
const requestController = new AbortController();
controller = requestController;
refreshing = true;
try {
const response = await fetch(`/api/servers/${encodeURIComponent(currentServer)}/telemetry-requests`, {
cache: 'no-store',
signal: requestController.signal
});
const body = await response.json().catch(() => null);
if (!response.ok || !body?.ok || !Array.isArray(body.requests)) {
throw new Error(body?.error || `Could not load telemetry requests (HTTP ${response.status}).`);
}
if (!active || server !== currentServer) return;
requests = body.requests;
retention = body.retention;
loaded = true;
error = '';
refreshedAt = new Date().toISOString();
} catch (cause) {
if (active && server === currentServer && !requestController.signal.aborted) {
error = cause instanceof Error ? cause.message : 'Could not load telemetry requests.';
}
} finally {
if (active && server === currentServer) refreshing = false;
if (controller === requestController) controller = null;
}
}
onMount(() => {
active = true;
const stopPolling = pollVisible(refresh, 5000);
return () => {
active = false;
stopPolling();
controller?.abort();
};
});
function timestamp(value: string): string {
return $timeFormat.dateTime(value);
}
function outcome(status: number): string {
return status >= 500 ? 'Failed' : status >= 400 ? 'Rejected' : 'Accepted';
}
</script>
<Card padding="lg" as="section" ariaLabel="Telemetry API requests">
<div class="panel-head">
<div>
<h2>Telemetry API requests</h2>
<p class="server-name"><code>{server}</code></p>
</div>
<Button size="sm" onclick={refresh} disabled={refreshing} loading={refreshing}>Refresh</Button>
</div>
<p class="intro">
Incoming <code>POST /api/telemetry</code> requests with this exact server name.
The scoreboard uses telemetry; the fleet player count comes from RCON separately.
</p>
<p class="retention">
Newest first · up to {retention.maxPerServer} requests from the last {retention.maxAgeDays} days.
Refreshes every 5 seconds while visible.
{#if refreshedAt}<span>Last refreshed <time datetime={refreshedAt}>{timestamp(refreshedAt)}</time>.</span>{/if}
</p>
{#if error}
<p class="load-error" role="alert">
{error}{#if loaded} Previously loaded requests are shown below.{/if}
</p>
{/if}
{#if !loaded && !error}
<EmptyState title="Loading telemetry requests…" />
{:else if loaded && requests.length === 0}
<EmptyState
title="No telemetry requests recorded"
description="No matching requests are retained for this server. An empty log alone does not establish a network problem."
/>
{:else if requests.length > 0}
<ol class="request-list" aria-label="Recent telemetry requests">
{#each requests.slice(0, limit) as request (request.id)}
<li class="request">
<div class="request-head">
<div class="request-result">
<Badge variant={request.status >= 500 ? 'danger' : request.status >= 400 ? 'warning' : 'online'}>
{outcome(request.status)} · HTTP {request.status}
</Badge>
<code class="event">{request.event ?? 'Event not provided'}</code>
</div>
<time class="received" datetime={request.receivedAt}>{timestamp(request.receivedAt)}</time>
</div>
<dl class="request-meta">
<div><dt>Map</dt><dd><code>{request.map ?? 'Not provided'}</code></dd></div>
<div><dt>Round</dt><dd>{request.round ?? 'Not provided'}</dd></div>
<div><dt>Players</dt><dd>{request.playerCount ?? 'Not provided'}</dd></div>
</dl>
{#if request.error}<p class="request-error">{request.error}</p>{/if}
<details class="payload">
<summary>Request payload{#if request.payloadTruncated} (truncated){/if}</summary>
<p class="content-type">Content type: <code>{request.contentType ?? 'Not provided'}</code></p>
<pre>{request.payload}</pre>
{#if request.payloadTruncated}<p class="truncation">Only the beginning of this payload was retained.</p>{/if}
</details>
</li>
{/each}
</ol>
<ListFooter total={requests.length} bind:limit label="requests" />
{/if}
<p class="attribution">
Logging starts after this update is installed.
Requests can be linked here only when readable JSON contains a matching top-level <code>server</code> field.
Calls that never reach Electric Cherry, malformed JSON, and different server names will not appear here.
</p>
</Card>
<style>
.panel-head, .request-head, .request-result {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-3);
flex-wrap: wrap;
}
.panel-head { margin-bottom: var(--space-4); }
h2 { margin: 0; font-size: var(--text-md); font-weight: var(--weight-semibold); }
p { margin: 0; }
code, pre { font-family: var(--font-mono); }
.server-name { margin-top: var(--space-2); overflow-wrap: anywhere; color: var(--text-secondary); font-size: var(--text-xs); }
.intro { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; }
.retention, .attribution, .content-type, .truncation {
font-size: var(--text-xs);
color: var(--text-tertiary);
line-height: 1.6;
overflow-wrap: anywhere;
}
.retention { margin-top: var(--space-2); }
.retention span { display: block; }
.attribution { margin-top: var(--space-4); }
.request-list { list-style: none; padding: 0; margin: var(--space-5) 0 0; }
.request { padding: var(--space-4) 0; border-top: 1px solid var(--border-subtle); }
.request-result { justify-content: flex-start; min-width: 0; }
.event { font-size: var(--text-sm); overflow-wrap: anywhere; }
.received { color: var(--text-tertiary); font-size: var(--text-xs); font-variant-numeric: tabular-nums; }
.request-meta { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); margin: var(--space-3) 0; font-size: var(--text-xs); }
.request-meta div { display: flex; gap: var(--space-2); min-width: 0; }
dt { color: var(--text-tertiary); }
dd { margin: 0; color: var(--text-secondary); overflow-wrap: anywhere; }
.load-error, .request-error { color: var(--state-danger); font-size: var(--text-sm); overflow-wrap: anywhere; }
.load-error { margin-top: var(--space-4); }
.request-error { margin-bottom: var(--space-3); }
.payload { font-size: var(--text-xs); }
summary { color: var(--text-secondary); cursor: pointer; width: fit-content; }
summary:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
.content-type { margin-top: var(--space-3); }
pre {
margin: var(--space-2) 0 0;
padding: var(--space-3);
max-height: 24rem;
overflow: auto;
white-space: pre-wrap;
overflow-wrap: anywhere;
background: var(--surface-sunken);
border: 1px solid var(--border-subtle);
border-radius: var(--radius-sm);
color: var(--text-secondary);
line-height: 1.6;
}
.truncation { margin-top: var(--space-2); }
</style>