492 lines
14 KiB
PHP
492 lines
14 KiB
PHP
<?php
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declare(strict_types=1);
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$carSecretFile = '/home/seo/secret/car.php';
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if (!is_file($carSecretFile)) {
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throw new RuntimeException('Missing car secret config: ' . $carSecretFile);
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}
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$carSecretConfig = require $carSecretFile;
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$carTcpConfig = is_array($carSecretConfig['tcp'] ?? null) ? $carSecretConfig['tcp'] : [];
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$carIdentityConfig = is_array($carSecretConfig['identity'] ?? null) ? $carSecretConfig['identity'] : [];
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$carDbConfig = is_array($carSecretConfig['db'] ?? null) ? $carSecretConfig['db'] : [];
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define('TCP_HOST', (string)($carTcpConfig['host'] ?? ''));
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define('TCP_PORT', (int)($carTcpConfig['port'] ?? 3400));
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define('TCP_TOTAL_TIMEOUT', (float)($carTcpConfig['total_timeout'] ?? 4.95));
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define('MODEM', (string)($carIdentityConfig['modem'] ?? ''));
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define('USER', (string)($carIdentityConfig['user'] ?? ''));
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define('UID', (string)($carIdentityConfig['uid'] ?? ''));
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define('TYPE', (string)($carIdentityConfig['type'] ?? ''));
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define('DB_HOST', (string)($carDbConfig['host'] ?? '127.0.0.1'));
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define('DB_NAME', (string)($carDbConfig['name'] ?? 'car'));
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define('DB_USER', (string)($carDbConfig['user'] ?? 'car'));
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define('DB_PASS', (string)($carDbConfig['pass'] ?? ''));
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define('DB_CHARSET', (string)($carDbConfig['charset'] ?? 'utf8mb4'));
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define('AUTH_TOKEN', (string)($carSecretConfig['auth_token'] ?? ''));
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define('ALLOWED_IPS', array_values(array_filter(
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(array)($carSecretConfig['allowed_ips'] ?? []),
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static fn($ip): bool => is_string($ip) && $ip !== ''
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)));
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const ALLOWED_CMD = ['se', 'ef', 'en', 'hn', 'hf', 'dl', 'du', 'tu'];
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const CONTROL_CMD = ['ef', 'en', 'hn', 'hf', 'dl', 'du', 'tu'];
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const RAW_FULL_REGEX = '/(?<modem>\d{11})\/R:(?<r>[a-z])\/E:(?<E0>[io]{5}\d{3}[io])\/D:(?<D0>[oi]{7})\/L:(?<L0>o{5})\/F:(?<F0>[ots][oi]\d{4}[oi]{4})\/S:(?<S0>[^\/]+)/';
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function db(): PDO
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{
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static $pdo = null;
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if ($pdo instanceof PDO) {
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return $pdo;
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}
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$dsn = "mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=" . DB_CHARSET;
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$pdo = new PDO($dsn, DB_USER, DB_PASS, [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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]);
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return $pdo;
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}
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function b(string $ch): int
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{
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return ($ch === 'i') ? 1 : 0;
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}
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function at(string $s, int $i): string
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{
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return $s[$i] ?? '';
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}
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function get_client_ip(): string
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{
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$ip =
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$_SERVER['HTTP_CF_CONNECTING_IP'] ??
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$_SERVER['HTTP_X_FORWARDED_FOR'] ??
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$_SERVER['REMOTE_ADDR'] ??
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'';
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if (strpos($ip, ',') !== false) {
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$ip = trim(explode(',', $ip)[0]);
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}
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return trim($ip);
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}
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function normalize_cmd(?string $cmd): string
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{
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$cmd = strtolower(trim((string)$cmd));
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return in_array($cmd, ALLOWED_CMD, true) ? $cmd : 'se';
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}
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function json_exit(array $payload, int $status = 200): void
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{
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http_response_code($status);
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header('Content-Type: application/json; charset=utf-8');
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header('Cache-Control: no-store');
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echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
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exit;
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}
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function db_insert_data_usage(
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PDO $pdo,
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string $source,
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string $cmd,
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int $sentBytes,
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int $receivedBytes,
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bool $tcpOk,
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string $tcpError = '',
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?string $requestId = null
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): void {
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try {
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$stmt = $pdo->prepare("INSERT INTO car_data_usage (
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id, ts, source, cmd, sent_bytes, received_bytes, total_bytes,
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tcp_ok, tcp_error, request_id
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) VALUES (
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'car', :ts, :source, :cmd, :sent_bytes, :received_bytes, :total_bytes,
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:tcp_ok, :tcp_error, :request_id
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)");
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$stmt->execute([
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':ts' => date('Y-m-d H:i:s'),
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':source' => substr($source, 0, 20),
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':cmd' => substr($cmd, 0, 10),
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':sent_bytes' => max(0, $sentBytes),
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':received_bytes' => max(0, $receivedBytes),
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':total_bytes' => max(0, $sentBytes + $receivedBytes),
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':tcp_ok' => $tcpOk ? 1 : 0,
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':tcp_error' => $tcpError !== '' ? substr($tcpError, 0, 100) : null,
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':request_id' => $requestId,
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]);
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} catch (Throwable $e) {
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// 사용량 기록 실패가 차량 제어/조회 자체를 막으면 안 된다.
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}
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}
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function record_tcp_usage(
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string $source,
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string $cmd,
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int $sentBytes,
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int $receivedBytes,
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bool $tcpOk,
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string $tcpError = '',
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?string $requestId = null
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): void {
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db_insert_data_usage(
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db(),
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$source,
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$cmd,
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$sentBytes,
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$receivedBytes,
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$tcpOk,
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$tcpError,
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$requestId
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);
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}
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function tcp_request(
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string $cmd,
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int &$tcpMs,
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int &$connectMs,
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int &$readMs,
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string &$tcpError,
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string $usageSource = 'api_control',
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?string $requestId = null,
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int &$sentBytes = 0,
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int &$receivedBytes = 0
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): string
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{
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$tcpMs = 0;
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$connectMs = 0;
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$readMs = 0;
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$tcpError = '';
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$sentBytes = 0;
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$receivedBytes = 0;
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$request = json_encode([
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'type' => 'R',
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'type_sub' => 'car_controll',
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'data' => [
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'command' => '+SCMD=' . MODEM . '/C:' . $cmd,
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'modem' => MODEM,
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'user' => USER,
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'uid' => UID,
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'type' => TYPE,
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],
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], JSON_UNESCAPED_SLASHES);
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$t0 = microtime(true);
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$deadline = $t0 + TCP_TOTAL_TIMEOUT;
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$remain = $deadline - microtime(true);
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if ($remain <= 0) {
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record_tcp_usage($usageSource, $cmd, 0, 0, false, 'deadline_expired_before_connect', $requestId);
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return '';
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}
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$fp = @stream_socket_client(
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"tcp://" . TCP_HOST . ":" . TCP_PORT,
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$errno,
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$errstr,
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$remain
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);
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$connectMs = (int)round((microtime(true) - $t0) * 1000);
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if (!$fp) {
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$tcpError = "connect_error: $errno $errstr";
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$tcpMs = $connectMs;
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record_tcp_usage($usageSource, $cmd, 0, 0, false, $tcpError, $requestId);
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return '';
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}
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stream_set_blocking($fp, false);
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$written = @fwrite($fp, $request);
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if ($written === false || $written < strlen($request)) {
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$sentBytes = ($written === false) ? 0 : (int)$written;
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fclose($fp);
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$tcpError = 'write_failed';
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record_tcp_usage($usageSource, $cmd, $sentBytes, 0, false, $tcpError, $requestId);
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return '';
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}
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$sentBytes = (int)$written;
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$r0 = microtime(true);
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$response = '';
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while (microtime(true) < $deadline) {
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$read = [$fp];
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$w = null;
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$e = null;
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$remain = $deadline - microtime(true);
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if ($remain <= 0) break;
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$sec = (int)$remain;
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$usec = (int)(($remain - $sec) * 1000000);
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$sel = @stream_select($read, $w, $e, $sec, $usec);
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if ($sel === false) {
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$tcpError = 'stream_select_failed';
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break;
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}
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if ($sel > 0) {
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$chunk = @fread($fp, 4096);
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if ($chunk === false) {
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$tcpError = 'read_failed';
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break;
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}
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if ($chunk !== '') {
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$response .= $chunk;
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if (preg_match(RAW_FULL_REGEX, trim($response))) {
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break;
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}
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}
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}
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if (feof($fp)) {
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break;
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}
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}
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$readMs = (int)round((microtime(true) - $r0) * 1000);
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fclose($fp);
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$tcpMs = $connectMs + $readMs;
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$receivedBytes = strlen($response);
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if (trim($response) === '') {
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if ($tcpError === '') {
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$tcpError = 'total_timeout_4_95s';
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}
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record_tcp_usage($usageSource, $cmd, $sentBytes, $receivedBytes, false, $tcpError, $requestId);
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return '';
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}
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if (!preg_match(RAW_FULL_REGEX, trim($response))) {
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$tcpError = 'invalid_or_partial_response';
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record_tcp_usage($usageSource, $cmd, $sentBytes, $receivedBytes, false, $tcpError, $requestId);
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return '';
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}
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record_tcp_usage($usageSource, $cmd, $sentBytes, $receivedBytes, true, $tcpError, $requestId);
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return $response;
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}
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function make_trim(string $rawFull, string &$trimError = ''): string
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{
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$trimError = '';
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$rawFull = trim($rawFull);
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if (!preg_match(RAW_FULL_REGEX, $rawFull, $m)) {
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$trimError = 'invalid_format_regex';
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return '';
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}
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if (($m['modem'] ?? '') !== MODEM) {
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$trimError = 'invalid_modem';
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return '';
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}
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$E0 = $m['E0'] ?? '';
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$D0 = $m['D0'] ?? '';
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$F0 = $m['F0'] ?? '';
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$E = substr($E0, 0, -1);
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$D = substr($D0, 0, -2);
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$F = substr($F0, 0, -2);
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if ($E === '' || $D === '' || $F === '') {
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$trimError = 'trim_empty_after_cut';
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return '';
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}
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if (strlen("E:$E") < 10) { $trimError = 'E_too_short'; return ''; }
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if (strlen("D:$D") < 7) { $trimError = 'D_too_short'; return ''; }
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if (strlen("F:$F") < 10) { $trimError = 'F_too_short'; return ''; }
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return "E:$E/D:$D/F:$F";
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}
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function parse_trim(string $rawTrim): array
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{
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$p = explode('/', $rawTrim);
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$E = $p[0] ?? '';
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$D = $p[1] ?? '';
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$F = $p[2] ?? '';
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$boundary = b(at($E, 2));
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$engine = b(at($E, 3));
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$driving = (
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$boundary === 0 &&
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b(at($E, 3)) === 1 &&
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b(at($E, 4)) === 1 &&
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b(at($E, 5)) === 1 &&
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b(at($E, 6)) === 1
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) ? 1 : 0;
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$volt10 = (int)substr($E, 7, 3);
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$batteryVoltage = (float)number_format($volt10 / 10, 1, '.', '');
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$doorFl = b(at($D, 2));
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$doorFr = b(at($D, 3));
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$doorRl = b(at($D, 4));
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$doorRr = b(at($D, 5));
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$doorTrunk = b(at($D, 6));
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$rsCode = substr($F, 2, 2);
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$remoteStartPreparing = ($rsCode === 'to') ? 1 : 0;
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$remoteStartRunning = ($rsCode === 'si') ? 1 : 0;
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$mmss = substr($F, 4, 4);
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$remoteStartRemaining = substr($mmss, 0, 2) . ":" . substr($mmss, 2, 2);
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$hazard = b(at($F, 9));
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return [
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'boundary' => $boundary,
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'engine' => $engine,
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'driving' => $driving,
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'battery_voltage' => $batteryVoltage,
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'door_fl' => $doorFl,
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'door_fr' => $doorFr,
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'door_rl' => $doorRl,
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'door_rr' => $doorRr,
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'door_trunk' => $doorTrunk,
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'remote_start_preparing' => $remoteStartPreparing,
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'remote_start_running' => $remoteStartRunning,
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'remote_start_remaining' => $remoteStartRemaining,
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'hazard' => $hazard,
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];
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}
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function is_valid_status_data(array $data): bool
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{
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$v = (float)($data['battery_voltage'] ?? 0);
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// 1V는 실제 배터리값이 아니라 통신/파싱 이상값으로 보고 저장 차단
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if ($v <= 1.0) {
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return false;
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}
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// 완전히 말이 안 되는 값만 차단
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// 시동 ON 중 15V대는 정상일 수 있으므로 여기서 15.0으로 자르면 안 됨
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if ($v < 9.0 || $v > 16.5) {
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return false;
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}
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return true;
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}
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function db_insert_status(
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PDO $pdo,
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string $cmd,
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string $rawFull,
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string $rawTrim,
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array $data
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): void {
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$v = (float)($data['battery_voltage'] ?? 0);
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// 1V는 저장 금지
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if ($v <= 1.0) {
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return;
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}
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// 시동 OFF 상태에서만 말도 안 되는 고전압 튐 차단
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// 평소 OFF 전압이 12.5~13.4V라 했으므로 14.2V 이상은 튐으로 판단
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$engineOn =
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(int)$data['engine'] === 1 ||
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(int)$data['driving'] === 1 ||
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(int)$data['remote_start_preparing'] === 1 ||
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(int)$data['remote_start_running'] === 1;
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if (!$engineOn && $v >= 14.2) {
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return;
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}
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$sql = "INSERT INTO car_status (
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id, ts, cmd,
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boundary, engine, driving, battery_voltage,
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door_fl, door_fr, door_rl, door_rr, door_trunk,
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remote_start_preparing, remote_start_running, remote_start_remaining,
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hazard, raw_full, raw_trim
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) VALUES (
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'car', :ts, :cmd,
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:boundary, :engine, :driving, :battery_voltage,
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:door_fl, :door_fr, :door_rl, :door_rr, :door_trunk,
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:remote_start_preparing, :remote_start_running, :remote_start_remaining,
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:hazard, :raw_full, :raw_trim
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)";
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$stmt = $pdo->prepare($sql);
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$stmt->execute([
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':ts' => date('Y-m-d H:i:s'),
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':cmd' => $cmd,
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':boundary' => $data['boundary'],
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':engine' => $data['engine'],
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':driving' => $data['driving'],
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':battery_voltage' => $data['battery_voltage'],
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':door_fl' => $data['door_fl'],
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':door_fr' => $data['door_fr'],
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':door_rl' => $data['door_rl'],
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':door_rr' => $data['door_rr'],
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':door_trunk' => $data['door_trunk'],
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':remote_start_preparing' => $data['remote_start_preparing'],
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':remote_start_running' => $data['remote_start_running'],
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':remote_start_remaining' => $data['remote_start_remaining'],
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':hazard' => $data['hazard'],
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':raw_full' => $rawFull,
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':raw_trim' => $rawTrim,
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]);
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}
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function db_latest(PDO $pdo): ?array
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{
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$stmt = $pdo->query("SELECT * FROM car_status WHERE id='car' ORDER BY ts DESC LIMIT 1");
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$row = $stmt->fetch();
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return $row ?: null;
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}
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function db_latest_usage(PDO $pdo): ?array
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{
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$stmt = $pdo->query("
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SELECT ts, source, cmd, sent_bytes, received_bytes, total_bytes, tcp_ok, tcp_error
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FROM car_data_usage
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WHERE id='car'
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ORDER BY ts DESC
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LIMIT 1
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");
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$row = $stmt->fetch();
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return $row ?: null;
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}
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function db_logs(PDO $pdo, int $limit): array
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{
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$limit = max(1, min(500, $limit));
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$stmt = $pdo->prepare("SELECT ts, cmd, raw_full, raw_trim FROM car_status WHERE id='car' ORDER BY ts DESC LIMIT $limit");
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$stmt->execute();
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return $stmt->fetchAll();
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}
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