mirror of
https://github.com/Sagit-chu/flvx.git
synced 2026-10-05 17:46:37 +08:00
289 lines
7.5 KiB
Go
289 lines
7.5 KiB
Go
package service
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/go-gost/core/observer/stats"
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"github.com/go-gost/x/config"
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"github.com/go-gost/x/internal/util/crypto"
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"github.com/go-gost/x/registry"
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)
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var httpReportURL string
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var configReportURL string
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var httpAESCrypto *crypto.AESCrypto // 新增:HTTP上报加密器
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// TrafficReportItem 流量报告项(压缩格式)
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type TrafficReportItem struct {
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N string `json:"n"` // 服务名(name缩写)
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U int64 `json:"u"` // 上行流量(up缩写)
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D int64 `json:"d"` // 下行流量(down缩写)
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}
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func SetHTTPReportURL(addr string, secret string) {
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httpReportURL = "http://" + addr + "/flow/upload?secret=" + secret
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configReportURL = "http://" + addr + "/flow/config?secret=" + secret
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// 创建 AES 加密器
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var err error
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httpAESCrypto, err = crypto.NewAESCrypto(secret)
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if err != nil {
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fmt.Printf("❌ 创建 HTTP AES 加密器失败: %v\n", err)
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httpAESCrypto = nil
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} else {
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fmt.Printf("🔐 HTTP AES 加密器创建成功\n")
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}
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}
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// sendBatchTrafficReport 批量发送多个服务的流量报告到HTTP接口
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func sendBatchTrafficReport(ctx context.Context, reportItems []TrafficReportItem) (bool, error) {
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jsonData, err := json.Marshal(reportItems)
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if err != nil {
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return false, fmt.Errorf("序列化报告数据失败: %v", err)
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}
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var requestBody []byte
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// 如果有加密器,则加密数据
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if httpAESCrypto != nil {
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encryptedData, err := httpAESCrypto.Encrypt(jsonData)
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if err != nil {
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fmt.Printf("⚠️ 加密流量报告失败,发送原始数据: %v\n", err)
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requestBody = jsonData
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} else {
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// 创建加密消息包装器
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encryptedMessage := map[string]interface{}{
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"encrypted": true,
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"data": encryptedData,
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"timestamp": time.Now().Unix(),
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}
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requestBody, err = json.Marshal(encryptedMessage)
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if err != nil {
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fmt.Printf("⚠️ 序列化加密流量报告失败,发送原始数据: %v\n", err)
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requestBody = jsonData
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}
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}
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} else {
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requestBody = jsonData
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}
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req, err := http.NewRequestWithContext(ctx, "POST", httpReportURL, bytes.NewBuffer(requestBody))
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if err != nil {
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return false, fmt.Errorf("创建HTTP请求失败: %v", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("User-Agent", "GOST-Traffic-Reporter/1.0")
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client := &http.Client{
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Timeout: 5 * time.Second,
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}
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resp, err := client.Do(req)
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if err != nil {
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return false, fmt.Errorf("发送HTTP请求失败: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return false, fmt.Errorf("HTTP响应错误: %d %s", resp.StatusCode, resp.Status)
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}
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// 读取响应内容
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var responseBytes bytes.Buffer
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_, err = responseBytes.ReadFrom(resp.Body)
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if err != nil {
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return false, fmt.Errorf("读取响应内容失败: %v", err)
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}
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responseText := strings.TrimSpace(responseBytes.String())
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// 检查响应是否为"ok"
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if responseText == "ok" {
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return true, nil
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} else {
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return false, fmt.Errorf("服务器响应: %s (期望: ok)", responseText)
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}
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}
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// sendConfigReport 发送配置报告到HTTP接口
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func sendConfigReport(ctx context.Context) (bool, error) {
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if configReportURL == "" {
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return false, fmt.Errorf("配置上报URL未设置")
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}
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// 获取配置数据
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configData, err := getConfigData()
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if err != nil {
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return false, fmt.Errorf("获取配置数据失败: %v", err)
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}
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var requestBody []byte
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// 如果有加密器,则加密数据
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if httpAESCrypto != nil {
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encryptedData, err := httpAESCrypto.Encrypt(configData)
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if err != nil {
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fmt.Printf("⚠️ 加密配置报告失败,发送原始数据: %v\n", err)
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requestBody = configData
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} else {
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// 创建加密消息包装器
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encryptedMessage := map[string]interface{}{
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"encrypted": true,
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"data": encryptedData,
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"timestamp": time.Now().Unix(),
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}
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requestBody, err = json.Marshal(encryptedMessage)
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if err != nil {
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fmt.Printf("⚠️ 序列化加密配置报告失败,发送原始数据: %v\n", err)
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requestBody = configData
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}
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}
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} else {
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requestBody = configData
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}
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req, err := http.NewRequestWithContext(ctx, "POST", configReportURL, bytes.NewBuffer(requestBody))
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if err != nil {
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return false, fmt.Errorf("创建HTTP请求失败: %v", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("User-Agent", "Config-Reporter/1.0")
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client := &http.Client{
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Timeout: 10 * time.Second, // 配置上报可以稍长一些
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}
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resp, err := client.Do(req)
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if err != nil {
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return false, fmt.Errorf("发送HTTP请求失败: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return false, fmt.Errorf("HTTP响应错误: %d %s", resp.StatusCode, resp.Status)
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}
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// 读取响应内容
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var responseBytes bytes.Buffer
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_, err = responseBytes.ReadFrom(resp.Body)
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if err != nil {
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return false, fmt.Errorf("读取响应内容失败: %v", err)
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}
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responseText := strings.TrimSpace(responseBytes.String())
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// 检查响应是否为"ok"
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if responseText == "ok" {
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return true, nil
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} else {
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return false, fmt.Errorf("服务器响应: %s (期望: ok)", responseText)
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}
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}
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// StartConfigReporter 启动配置定时上报器(每10分钟上报一次)
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func StartConfigReporter(ctx context.Context) {
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if configReportURL == "" {
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fmt.Printf("⚠️ 配置上报URL未设置,跳过定时上报\n")
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return
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}
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fmt.Printf("🚀 配置定时上报器已启动,每10分钟上报一次(WebSocket连接稳定后启动)\n")
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// 创建10分钟定时器
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ticker := time.NewTicker(10 * time.Minute)
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defer ticker.Stop()
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// 立即执行一次配置上报
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go func() {
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success, err := sendConfigReport(ctx)
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if err != nil {
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fmt.Printf("❌ 初始配置上报失败: %v\n", err)
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} else if success {
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fmt.Printf("✅ 初始配置上报成功\n")
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}
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}()
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// 定时上报循环
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for {
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select {
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case <-ticker.C:
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go func() {
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success, err := sendConfigReport(ctx)
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if err != nil {
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fmt.Printf("❌ 定时配置上报失败: %v\n", err)
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} else if success {
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fmt.Printf("✅ 定时配置上报成功\n")
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}
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}()
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case <-ctx.Done():
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fmt.Printf("⏹️ 配置定时上报器已停止\n")
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return
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}
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}
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}
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// serviceStatus 接口定义
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type serviceStatus interface {
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Status() *Status
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}
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// getConfigResponse 配置响应结构
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type getConfigResponse struct {
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Config *config.Config `json:"config"`
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}
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// getConfigData 获取配置数据(避免循环依赖)
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func getConfigData() ([]byte, error) {
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config.OnUpdate(func(c *config.Config) error {
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for _, svc := range c.Services {
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if svc == nil {
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continue
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}
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s := registry.ServiceRegistry().Get(svc.Name)
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ss, ok := s.(serviceStatus)
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if ok && ss != nil {
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status := ss.Status()
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svc.Status = &config.ServiceStatus{
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CreateTime: status.CreateTime().Unix(),
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State: string(status.State()),
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}
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if st := status.Stats(); st != nil {
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svc.Status.Stats = &config.ServiceStats{
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TotalConns: st.Get(stats.KindTotalConns),
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CurrentConns: st.Get(stats.KindCurrentConns),
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TotalErrs: st.Get(stats.KindTotalErrs),
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InputBytes: st.Get(stats.KindInputBytes),
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OutputBytes: st.Get(stats.KindOutputBytes),
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}
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}
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for _, ev := range status.Events() {
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if !ev.Time.IsZero() {
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svc.Status.Events = append(svc.Status.Events, config.ServiceEvent{
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Time: ev.Time.Unix(),
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Msg: ev.Message,
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})
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}
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}
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}
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}
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return nil
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})
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var resp getConfigResponse
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resp.Config = config.Global()
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buf := &bytes.Buffer{}
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resp.Config.Write(buf, "json")
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return buf.Bytes(), nil
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}
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