修复服务器收到数据后提示400的错误

agent/agent.json

@@ -3,8 +3,8 @@
   "id": "yunc",
   "name": "cloud",
   "device_id": "yunc",
-  "token": "0b1f00e76e28beaed3be71d13e25aceb",
+  "token": "bedb47554f06ebabc075b52d8320428f",
   "interval": "10s",
   "debug": true,
-  "api_port": 8082
+  "api_port": 8081
 }

backend/internal/handler/handler.go

@@ -108,15 +108,6 @@ func HandleMetricsPost(c *gin.Context) {
 		agentName = device.Name
 	}
 
-	// 解析请求体
-	var req MetricsRequest
-	if err := c.ShouldBindJSON(&req); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"error": "Invalid request body",
-		})
-		return
-	}
-
 	// 更新设备状态为active
 	if err := deviceStorage.UpdateDeviceStatus(deviceID, "active"); err != nil {
 		// 只记录警告，不影响指标处理
@@ -128,6 +119,25 @@ func HandleMetricsPost(c *gin.Context) {
 		"agent_name": agentName,
 	}
 
+	// 处理请求体，支持单指标对象和指标数组
+	var metricsList []MetricsRequest
+
+	// 首先尝试解析为数组
+	if err := c.ShouldBindJSON(&metricsList); err != nil {
+		// 如果解析数组失败，尝试解析为单个对象
+		var singleMetric MetricsRequest
+		if err := c.ShouldBindJSON(&singleMetric); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{
+				"error": "Invalid request body",
+			})
+			return
+		}
+		// 将单个对象添加到列表中
+		metricsList = append(metricsList, singleMetric)
+	}
+
+	// 处理所有指标
+	for i, req := range metricsList {
 		// 写入CPU指标
 		if err := globalStorage.WriteMetric(c.Request.Context(), deviceID, "cpu", req.CPU, baseTags); err != nil {
 			// 只记录警告，不影响后续指标处理
@@ -170,7 +180,8 @@ func HandleMetricsPost(c *gin.Context) {
 			log.Printf("Warning: Failed to write network received metrics: %v", err)
 		}
 
-	// 广播指标更新消息
+		// 广播指标更新消息，只广播最后一个指标
+		if i == len(metricsList)-1 {
 			metrics := map[string]interface{}{
 				"cpu":    req.CPU,
 				"memory": req.Memory,
@@ -181,10 +192,13 @@ func HandleMetricsPost(c *gin.Context) {
 				},
 			}
 			broadcastMetricsUpdate(deviceID, metrics)
+		}
+	}
 
 	// 返回成功响应
 	c.JSON(http.StatusOK, gin.H{
 		"message": "Metrics received successfully",
+		"count":   len(metricsList),
 	})
 }