Initial car project import

2026-06-07 00:33:58 +09:00
commit 36588b93f1
14 changed files with 2883 additions and 0 deletions
@@ -0,0 +1,108 @@
+<?php
+declare(strict_types=1);
+
+require __DIR__ . '/common.php';
+
+const NON_DRIVING_INTERVAL_SEC = 10;
+const LAST_ATTEMPT_FILE = '/tmp/car_poll_se.last_attempt';
+
+$lockFp = fopen('/tmp/car_poll_se.lock', 'c');
+if ($lockFp === false) {
+    exit(0);
+}
+
+if (!flock($lockFp, LOCK_EX | LOCK_NB)) {
+    exit(0);
+}
+
+register_shutdown_function(function () use ($lockFp): void {
+    @flock($lockFp, LOCK_UN);
+    @fclose($lockFp);
+});
+
+function is_fast_poll_state(): bool
+{
+    $latest = db_latest(db());
+
+    if (!$latest) {
+        return true;
+    }
+
+    return
+        (int)($latest['driving'] ?? 0) === 1 ||
+        (int)($latest['engine'] ?? 0) === 1 ||
+        (int)($latest['remote_start_preparing'] ?? 0) === 1 ||
+        (int)($latest['remote_start_running'] ?? 0) === 1;
+}
+
+function should_skip_non_driving(): bool
+{
+    if (!is_file(LAST_ATTEMPT_FILE)) {
+        return false;
+    }
+
+    $last = (float)trim((string)@file_get_contents(LAST_ATTEMPT_FILE));
+    if ($last <= 0) {
+        return false;
+    }
+
+    return (microtime(true) - $last) < NON_DRIVING_INTERVAL_SEC;
+}
+
+function mark_attempt(): void
+{
+    @file_put_contents(LAST_ATTEMPT_FILE, (string)microtime(true), LOCK_EX);
+}
+
+function collect_once(): bool
+{
+    $tcpMs = 0;
+    $connectMs = 0;
+    $readMs = 0;
+    $tcpError = '';
+    $trimError = '';
+
+    $sentBytes = 0;
+    $receivedBytes = 0;
+    $rawFull = tcp_request(
+        'se',
+        $tcpMs,
+        $connectMs,
+        $readMs,
+        $tcpError,
+        'collector_se',
+        null,
+        $sentBytes,
+        $receivedBytes
+    );
+    if ($rawFull === '') {
+        return false;
+    }
+
+    $rawTrim = make_trim($rawFull, $trimError);
+    if ($rawTrim === '') {
+        return false;
+    }
+
+    $data = parse_trim($rawTrim);
+    if (!is_valid_status_data($data)) {
+        return false;
+    }
+
+    db_insert_status(
+        db(),
+        'se',
+        $rawFull,
+        $rawTrim,
+        $data
+    );
+
+    return true;
+}
+
+if (!is_fast_poll_state() && should_skip_non_driving()) {
+    exit(0);
+}
+
+mark_attempt();
+collect_once();