config.php

<?php
/**
 * DNS Sync Validator — Configuration
 *
 * Adjust these values to tune scanner behavior without touching core logic.
 *
 * Copyright (c) 2026 Brad Boegler <bradthx@gmail.com>
 * GNU General Public License v3.0
 */

// DNS servers and CSV path are defined in config.local.php (not committed to git).
// Copy config.local.php.example to config.local.php and fill in your values.
$localConfig = __DIR__ . '/config.local.php';
if (!file_exists($localConfig)) {
    die('config.local.php not found. Copy config.local.php.example and fill in your server details.');
}
require_once $localConfig;

// Path to the comma-separated input file (domain,host,type,ttl,value)
// File must be sorted by domain+host+type for correct grouping
define('CSV_FILE',          __DIR__ . '/domain_list.csv');

// Microseconds to sleep between each record group (2 dig calls per group).
// 10000 = 10ms  → ~100 groups/sec (excluding actual query time)
// 50000 = 50ms  → ~20 groups/sec
//     0 = no throttle (maximum speed)
define('THROTTLE_USEC',     10000);

// dig timeout per query (seconds) and retry count
define('DIG_TIMEOUT_SEC',   5);
define('DIG_TRIES',         2);

// How often the dashboard polls for new data (seconds)
define('REFRESH_INTERVAL',  10);

// How often the scanner flushes results to disk (every N groups)
define('FLUSH_EVERY',       100);

// Runtime data directory
define('DATA_DIR',          __DIR__ . '/data');
define('RESULTS_FILE',      DATA_DIR . '/results.json');
define('PID_FILE',          DATA_DIR . '/scan.pid');
define('STOP_SIGNAL_FILE',  DATA_DIR . '/stop_signal');