13

2026-02-28 16:18:52 +08:00
parent d75fea32f7
commit 73f67b4143
10 changed files with 712 additions and 2 deletions
@@ -0,0 +1,76 @@
+<?php
+
+namespace app\middleware;
+
+use app\controller\MetricsController;
+use support\Request;
+use support\Response;
+
+/**
+ * 指标收集中间件
+ * 自动记录HTTP请求指标
+ */
+class MetricsMiddleware
+{
+    /**
+     * 请求开始时间
+     */
+    protected $startTime;
+
+    /**
+     * 处理请求
+     *
+     * @param Request $request
+     * @param callable $handler
+     * @return Response
+     */
+    public function process(Request $request, callable $handler): Response
+    {
+        // 记录请求开始时间
+        $this->startTime = microtime(true);
+        
+        // 处理请求
+        $response = $handler($request);
+        
+        // 计算请求处理时间
+        $duration = microtime(true) - $this->startTime;
+        
+        // 记录指标
+        $this->recordMetrics($request, $response, $duration);
+        
+        return $response;
+    }
+
+    /**
+     * 记录指标
+     *
+     * @param Request $request
+     * @param Response $response
+     * @param float $duration
+     */
+    protected function recordMetrics(Request $request, Response $response, float $duration): void
+    {
+        try {
+            $method = $request->method();
+            $path = $request->path();
+            $status = $response->getStatusCode();
+            
+            // 获取响应大小
+            $responseSize = strlen($response->rawBody());
+            
+            // 记录HTTP请求指标
+            MetricsController::recordHttpRequest($method, $path, $status, $duration, $responseSize);
+            
+            // 记录请求处理时间
+            MetricsController::setGauge('webman_http_request_duration_seconds', $duration, [
+                'method' => $method,
+                'path' => $path,
+                'status' => (string)$status
+            ]);
+            
+        } catch (\Exception $e) {
+            // 记录指标失败不应影响正常请求
+            error_log('Metrics recording failed: ' . $e->getMessage());
+        }
+    }
+}