修复流量统计问题

go-gost/traffic_reporter.go

@@ -0,0 +1,192 @@
+package main
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/go-gost/x/traffic"
+)
+
+// 全局变量存储HTTP地址
+var httpReportURL string
+
+// TrafficReportItem 流量报告项（压缩格式）
+type TrafficReportItem struct {
+	N string `json:"n"` // 服务名（name缩写）
+	T string `json:"t"` // 连接类型：conn, cc（type缩写）
+	U int64  `json:"u"` // 上行流量（up缩写）
+	D int64  `json:"d"` // 下行流量（down缩写）
+}
+
+// SetHTTPReportURL 设置HTTP报告地址
+func SetHTTPReportURL(addr string, secret string) {
+	httpReportURL = "http://" + addr + "/flow/upload?secret=" + secret
+}
+
+// StartTrafficReporter 启动流量报告任务
+func StartTrafficReporter(trafficMgr traffic.Manager) {
+	// 检查是否设置了HTTP地址
+	if httpReportURL == "" {
+		fmt.Println("❌ HTTP报告地址未设置，无法启动流量报告任务")
+		return
+	}
+
+	ticker := time.NewTicker(1 * time.Second)
+
+	go func() {
+		defer ticker.Stop()
+
+		for range ticker.C {
+			ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+
+			// 先获取流量统计（不清零）
+			stats, err := trafficMgr.GetAllServicesStats(ctx)
+			if err != nil {
+				fmt.Printf("获取流量统计失败: %v\n", err)
+				cancel()
+				continue
+			}
+
+			if len(stats) == 0 {
+				cancel()
+				continue
+			}
+
+			// 构建报告数据为数组格式，分别处理不同类型的流量
+			var reportItems []TrafficReportItem
+			totalServices := 0
+			totalTraffic := int64(0)
+
+			// 解析服务和类型，分组处理
+			serviceGroups := make(map[string]map[string]map[string]int64) // service -> type -> direction -> bytes
+
+			for serviceKey, serviceStats := range stats {
+				upload := serviceStats["upload"]
+				download := serviceStats["download"]
+
+				// 解析服务名和类型 (format: service:type)
+				var serviceName, serviceType string
+				parts := strings.Split(serviceKey, ":")
+				if len(parts) >= 2 {
+					serviceName = parts[0]
+					serviceType = parts[1]
+				} else {
+					serviceName = serviceKey
+					serviceType = "unknown"
+				}
+
+				if serviceGroups[serviceName] == nil {
+					serviceGroups[serviceName] = make(map[string]map[string]int64)
+				}
+				if serviceGroups[serviceName][serviceType] == nil {
+					serviceGroups[serviceName][serviceType] = make(map[string]int64)
+				}
+
+				serviceGroups[serviceName][serviceType]["upload"] = upload
+				serviceGroups[serviceName][serviceType]["download"] = download
+
+				totalTraffic += upload + download
+			}
+
+			// 为每个服务的每种类型创建报告项
+			for serviceName, types := range serviceGroups {
+				for serviceType, trafficData := range types {
+					// 过滤掉total类型，只保留conn和cc
+					if serviceType == "total" {
+						continue
+					}
+
+					upload := trafficData["upload"]
+					download := trafficData["download"]
+
+					// 只有当有流量时才报告
+					if upload > 0 || download > 0 {
+						reportItems = append(reportItems, TrafficReportItem{
+							N: serviceName,
+							T: serviceType,
+							U: upload,
+							D: download,
+						})
+						totalServices++
+					}
+				}
+			}
+
+			// 只有当有流量数据时才发送
+			if len(reportItems) > 0 && totalTraffic > 0 {
+				// 发送到HTTP接口
+				success, err := sendTrafficReport(ctx, reportItems)
+				if err != nil {
+					fmt.Printf("发送流量报告失败: %v\n", err)
+				} else if success {
+					// 只有收到"ok"响应才清零流量
+					err = trafficMgr.ClearAllTrafficStats(ctx)
+					if err != nil {
+						fmt.Printf("清零流量统计失败: %v\n", err)
+					} else {
+						fmt.Printf("✅ 流量报告已发送并清零: %d个记录, 总流量: %d bytes\n",
+							totalServices, totalTraffic)
+					}
+				} else {
+					fmt.Printf("⚠️  服务器未确认(非ok响应)，保留流量数据: %d个记录, 总流量: %d bytes\n",
+						totalServices, totalTraffic)
+				}
+			}
+
+			cancel()
+		}
+	}()
+
+	fmt.Printf("🚀 流量报告任务已启动 (5秒间隔)，目标地址: %s\n", httpReportURL)
+}
+
+// sendTrafficReport 发送流量报告到HTTP接口
+func sendTrafficReport(ctx context.Context, reportItems []TrafficReportItem) (bool, error) {
+	jsonData, err := json.Marshal(reportItems)
+	if err != nil {
+		return false, fmt.Errorf("序列化报告数据失败: %v", err)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, "POST", httpReportURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return false, fmt.Errorf("创建HTTP请求失败: %v", err)
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("User-Agent", "GOST-Traffic-Reporter/1.0")
+
+	client := &http.Client{
+		Timeout: 5 * time.Second,
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return false, fmt.Errorf("发送HTTP请求失败: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return false, fmt.Errorf("HTTP响应错误: %d %s", resp.StatusCode, resp.Status)
+	}
+
+	// 读取响应内容
+	var responseBytes bytes.Buffer
+	_, err = responseBytes.ReadFrom(resp.Body)
+	if err != nil {
+		return false, fmt.Errorf("读取响应内容失败: %v", err)
+	}
+
+	responseText := strings.TrimSpace(responseBytes.String())
+
+	// 检查响应是否为"ok"
+	if responseText == "ok" {
+		return true, nil
+	} else {
+		return false, fmt.Errorf("服务器响应: %s (期望: ok)", responseText)
+	}
+}