Initial commit: Flutter 无书应用项目

server_monitor_api.php

@@ -0,0 +1,80 @@
+<?php
+header('Content-Type: application/json; charset=utf-8');
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
+header('Access-Control-Allow-Headers: Content-Type');
+
+if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+    http_response_code(200);
+    exit;
+}
+
+function getServerLoad() {
+    $load = sys_getloadavg();
+    return [
+        '1min' => round($load[0], 2),
+        '5min' => round($load[1], 2),
+        '15min' => round($load[2], 2)
+    ];
+}
+
+function getNetworkLatency() {
+    $hosts = [
+        '8.8.8.8' => 'Google DNS',
+        '1.1.1.1' => 'Cloudflare DNS',
+        '114.114.114.114' => '114 DNS'
+    ];
+
+    $results = [];
+    foreach ($hosts as $ip => $name) {
+        $start = microtime(true);
+        $socket = @fsockopen($ip, 53, $errno, $errstr, 2);
+        $end = microtime(true);
+
+        if ($socket) {
+            fclose($socket);
+            $latency = round(($end - $start) * 1000, 2);
+            $results[] = [
+                'host' => $name,
+                'ip' => $ip,
+                'latency' => $latency,
+                'status' => 'online'
+            ];
+        } else {
+            $results[] = [
+                'host' => $name,
+                'ip' => $ip,
+                'latency' => null,
+                'status' => 'offline'
+            ];
+        }
+    }
+
+    return $results;
+}
+
+function getTimestamp() {
+    return [
+        'unix' => time(),
+        'datetime' => date('Y-m-d H:i:s'),
+        'timezone' => date_default_timezone_get()
+    ];
+}
+
+// 记录请求开始时间
+$start_time = microtime(true);
+
+$response = [
+    'status' => 'success',
+    'timestamp' => getTimestamp(),
+    'server' => [
+        'load' => getServerLoad()
+    ],
+    'network' => [
+        'latency' => getNetworkLatency(),
+        'server_response_time' => round((microtime(true) - $start_time) * 1000, 2) // 服务器响应时间（毫秒）
+    ]
+];
+
+echo json_encode($response, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+?>