v2.1.24 - Reactive caching service start/stop via LISTEN/NOTIFY, per-relay progress display, re-run/refresh caching controls

This commit is contained in:
Laan Tungir
2026-07-31 10:08:45 -04:00
parent a766f08738
commit 75d983b2df
56 changed files with 31563 additions and 1358 deletions
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<?php
/**
* admin2/api/stats.php — Statistics page data.
* Returns DB size, event counts, kind distribution, top pubkeys,
* time-based stats, and event-rate delta (for the chart).
*/
require_once __DIR__ . '/../lib/helpers.php';
$pdo = db();
// Database size
$db_size = '-';
try {
$bytes = $pdo->query("SELECT pg_database_size(current_database())")->fetchColumn();
$db_size = format_bytes(intval($bytes));
} catch (PDOException $e) {}
// Total events
$total_events = intval($pdo->query("SELECT COUNT(*) FROM events")->fetchColumn());
// Event rate: events with first_seen in last 10 seconds
$events_delta = 0;
try {
$events_delta = intval($pdo->query("SELECT COUNT(*) FROM events WHERE first_seen >= EXTRACT(EPOCH FROM NOW())::BIGINT - 10")->fetchColumn());
} catch (PDOException $e) {}
// Process info (from pg_stat_activity)
$process_id = '-';
$ws_connections = '-';
try {
$pid = $pdo->query("SELECT pg_backend_pid()")->fetchColumn();
$process_id = strval($pid);
$ws_connections = intval($pdo->query("SELECT count(*) FROM pg_stat_activity WHERE state = 'active' AND pid != pg_backend_pid()")->fetchColumn());
} catch (PDOException $e) {}
// Active subscriptions
$active_subscriptions = 0;
try {
$active_subscriptions = intval($pdo->query("SELECT count(*) FROM subscriptions WHERE active = true")->fetchColumn());
} catch (PDOException $e) {}
// Memory/CPU (from /proc on Linux)
$memory_usage = '-';
$cpu_usage = '-';
$cpu_core = '-';
if (is_readable('/proc/meminfo')) {
$mem = parse_ini_file('/proc/meminfo');
$total = intval($mem['MemTotal'] ?? 0) * 1024;
$avail = intval($mem['MemAvailable'] ?? 0) * 1024;
if ($total > 0) $memory_usage = format_bytes($total - $avail) . ' / ' . format_bytes($total);
}
if (is_readable('/proc/cpuinfo')) {
$cores = intval(shell_exec('nproc 2>/dev/null') ?: 1);
$cpu_core = strval($cores) . ' cores';
}
$cpu_usage = @file_get_contents('/proc/loadavg');
if ($cpu_usage !== false) $cpu_usage = trim(explode(' ', $cpu_usage)[0] ?? '-');
// Oldest / newest event
$oldest_event = '-';
$newest_event = '-';
try {
$oldest = $pdo->query("SELECT to_timestamp(MIN(created_at)) FROM events")->fetchColumn();
$newest = $pdo->query("SELECT to_timestamp(MAX(created_at)) FROM events")->fetchColumn();
if ($oldest) $oldest_event = substr($oldest, 0, 19);
if ($newest) $newest_event = substr($newest, 0, 19);
} catch (PDOException $e) {}
// Time-based stats
$now = time();
$events_24h = 0; $events_7d = 0; $events_30d = 0;
try {
$events_24h = intval($pdo->query("SELECT COUNT(*) FROM events WHERE created_at >= $now - 86400")->fetchColumn());
$events_7d = intval($pdo->query("SELECT COUNT(*) FROM events WHERE created_at >= $now - 604800")->fetchColumn());
$events_30d = intval($pdo->query("SELECT COUNT(*) FROM events WHERE created_at >= $now - 2592000")->fetchColumn());
} catch (PDOException $e) {}
// Kind distribution
$kinds = [];
try {
$rows = $pdo->query("SELECT kind, COUNT(*) AS cnt FROM events GROUP BY kind ORDER BY cnt DESC LIMIT 20")->fetchAll();
foreach ($rows as $r) {
$kinds[] = ['kind' => intval($r['kind']), 'count' => intval($r['cnt']), 'pct' => $total_events > 0 ? round(intval($r['cnt']) / $total_events * 100, 1) : 0];
}
} catch (PDOException $e) {}
// Top pubkeys (with names from profiles cache)
$top_pubkeys = [];
try {
$rows = $pdo->query("
SELECT pubkey, COUNT(*) AS cnt
FROM events
GROUP BY pubkey
ORDER BY cnt DESC LIMIT 20
")->fetchAll();
// Batch-resolve profile names from the profiles cache table.
$pubkeys = array_column($rows, 'pubkey');
$pmap = profile_map($pubkeys);
foreach ($rows as $r) {
$pk = $r['pubkey'];
$prof = $pmap[$pk] ?? null;
$top_pubkeys[] = [
'pubkey' => $pk,
'name' => $prof ? $prof['best_name'] : '',
'count' => intval($r['cnt']),
'pct' => $total_events > 0 ? round(intval($r['cnt']) / $total_events * 100, 1) : 0,
];
}
} catch (PDOException $e) {}
// Name-field usage stats (from profiles cache)
$name_field_usage = ['both' => 0, 'name_only' => 0, 'display_only' => 0, 'neither' => 0, 'both_differ' => 0, 'total' => 0];
try {
$row = $pdo->query("
SELECT count(*) FILTER (WHERE name <> '' AND display_name <> '') AS both,
count(*) FILTER (WHERE name <> '' AND display_name = '') AS name_only,
count(*) FILTER (WHERE name = '' AND display_name <> '') AS display_only,
count(*) FILTER (WHERE name = '' AND display_name = '') AS neither,
count(*) FILTER (WHERE name <> '' AND display_name <> '' AND name <> display_name) AS both_differ,
count(*) AS total
FROM profiles
")->fetch();
if ($row) {
$name_field_usage = array_map('intval', $row);
}
} catch (PDOException $e) {}
json_response([
'db_size' => $db_size,
'total_events' => $total_events,
'events_delta' => $events_delta,
'process_id' => $process_id,
'ws_connections' => $ws_connections,
'active_subscriptions' => $active_subscriptions,
'memory_usage' => $memory_usage,
'cpu_usage' => $cpu_usage,
'cpu_core' => $cpu_core,
'oldest_event' => $oldest_event,
'newest_event' => $newest_event,
'events_24h' => $events_24h,
'events_7d' => $events_7d,
'events_30d' => $events_30d,
'kinds' => $kinds,
'top_pubkeys' => $top_pubkeys,
'name_field_usage' => $name_field_usage,
]);
/** Format bytes as human-readable. */
function format_bytes(int $bytes): string {
if ($bytes < 1024) return $bytes . ' B';
if ($bytes < 1048576) return round($bytes / 1024, 1) . ' KB';
if ($bytes < 1073741824) return round($bytes / 1048576, 1) . ' MB';
return round($bytes / 1073741824, 2) . ' GB';
}