feat(app): 添加流量统计功能和服务器配置管理

- 在WebServer中添加TrafficStore存储接口
- 将Web配置从根级别移动到Server.Web子结构下
- 移除Web配置中的BindAddr字段并调整默认值逻辑
- 在前端HomeView中替换模拟流量数据显示真实统计数据
- 添加流量统计API接口(/traffic/stats和/traffic/hourly)
- 实现SQLite数据库流量统计表创建和CRUD操作
- 在Relay包中添加带流量统计的数据转发功能
- 在设置页面添加服务器配置编辑和保存功能
- 创建流量统计处理器和相关数据模型定义

internal/server/app/app.go

@@ -21,16 +21,18 @@ type WebServer struct {
 	Config        *config.ServerConfig
 	ConfigPath    string
 	JSPluginStore db.JSPluginStore
+	TrafficStore  db.TrafficStore
 }
 
 // NewWebServer 创建Web服务
-func NewWebServer(cs db.ClientStore, srv router.ServerInterface, cfg *config.ServerConfig, cfgPath string, jsStore db.JSPluginStore) *WebServer {
+func NewWebServer(cs db.ClientStore, srv router.ServerInterface, cfg *config.ServerConfig, cfgPath string, store db.Store) *WebServer {
 	return &WebServer{
 		ClientStore:   cs,
 		Server:        srv,
 		Config:        cfg,
 		ConfigPath:    cfgPath,
-		JSPluginStore: jsStore,
+		JSPluginStore: store,
+		TrafficStore:  store,
 	}
 }
 
@@ -109,3 +111,8 @@ func (w *WebServer) SaveConfig() error {
 func (w *WebServer) GetJSPluginStore() db.JSPluginStore {
 	return w.JSPluginStore
 }
+
+// GetTrafficStore 获取流量存储
+func (w *WebServer) GetTrafficStore() db.TrafficStore {
+	return w.TrafficStore
+}

internal/server/config/config.go

@@ -11,7 +11,6 @@ import (
 // ServerConfig 服务端配置
 type ServerConfig struct {
 	Server      ServerSettings      `yaml:"server"`
-	Web         WebSettings         `yaml:"web"`
 	PluginStore PluginStoreSettings `yaml:"plugin_store"`
 	JSPlugins   []JSPluginConfig    `yaml:"js_plugins,omitempty"`
 }
@@ -44,19 +43,19 @@ func (s *PluginStoreSettings) GetPluginStoreURL() string {
 
 // ServerSettings 服务端设置
 type ServerSettings struct {
-	BindAddr         string `yaml:"bind_addr"`
-	BindPort         int    `yaml:"bind_port"`
-	Token            string `yaml:"token"`
-	HeartbeatSec     int    `yaml:"heartbeat_sec"`
-	HeartbeatTimeout int    `yaml:"heartbeat_timeout"`
-	DBPath           string `yaml:"db_path"`
-	TLSDisabled      bool   `yaml:"tls_disabled"` // 默认启用 TLS，设置为 true 禁用
+	BindAddr         string      `yaml:"bind_addr"`
+	BindPort         int         `yaml:"bind_port"`
+	Token            string      `yaml:"token"`
+	HeartbeatSec     int         `yaml:"heartbeat_sec"`
+	HeartbeatTimeout int         `yaml:"heartbeat_timeout"`
+	DBPath           string      `yaml:"db_path"`
+	TLSDisabled      bool        `yaml:"tls_disabled"`
+	Web              WebSettings `yaml:"web"`
 }
 
 // WebSettings Web控制台设置
 type WebSettings struct {
 	Enabled  bool   `yaml:"enabled"`
-	BindAddr string `yaml:"bind_addr"`
 	BindPort int    `yaml:"bind_port"`
 	Username string `yaml:"username"`
 	Password string `yaml:"password"`
@@ -99,12 +98,9 @@ func setDefaults(cfg *ServerConfig) {
 	}
 
 	// Web 默认启用
-	if cfg.Web.BindAddr == "" {
-		cfg.Web.BindAddr = "0.0.0.0"
-	}
-	if cfg.Web.BindPort == 0 {
-		cfg.Web.BindPort = 7500
-		cfg.Web.Enabled = true
+	if cfg.Server.Web.BindPort == 0 {
+		cfg.Server.Web.BindPort = 7500
+		cfg.Server.Web.Enabled = true
 	}
 
 	// Token 未配置时自动生成 32 位
@@ -126,11 +122,11 @@ func generateToken(length int) string {
 
 // GenerateWebCredentials 生成 Web 控制台凭据
 func GenerateWebCredentials(cfg *ServerConfig) bool {
-	if cfg.Web.Username == "" {
-		cfg.Web.Username = "admin"
+	if cfg.Server.Web.Username == "" {
+		cfg.Server.Web.Username = "admin"
 	}
-	if cfg.Web.Password == "" {
-		cfg.Web.Password = generateToken(16)
+	if cfg.Server.Web.Password == "" {
+		cfg.Server.Web.Password = generateToken(16)
 		return true // 表示生成了新密码
 	}
 	return false

internal/server/db/interface.go

@@ -76,5 +76,21 @@ type JSPluginStore interface {
 type Store interface {
 	ClientStore
 	JSPluginStore
+	TrafficStore
 	Close() error
 }
+
+// TrafficRecord 流量记录
+type TrafficRecord struct {
+	Timestamp int64 `json:"timestamp"` // Unix 时间戳（小时级别）
+	Inbound   int64 `json:"inbound"`   // 入站流量（字节）
+	Outbound  int64 `json:"outbound"`  // 出站流量（字节）
+}
+
+// TrafficStore 流量存储接口
+type TrafficStore interface {
+	AddTraffic(inbound, outbound int64) error
+	GetTotalTraffic() (inbound, outbound int64, err error)
+	Get24HourTraffic() (inbound, outbound int64, err error)
+	GetHourlyTraffic(hours int) ([]TrafficRecord, error)
+}

internal/server/db/sqlite.go

@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"encoding/json"
 	"sync"
+	"time"
 
 	_ "modernc.org/sqlite"
 
@@ -80,6 +81,33 @@ func (s *SQLiteStore) init() error {
 	// 迁移：添加 updated_at 列
 	s.db.Exec(`ALTER TABLE js_plugins ADD COLUMN updated_at DATETIME DEFAULT CURRENT_TIMESTAMP`)
 
+	// 创建流量统计表
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS traffic_stats (
+			hour_ts INTEGER PRIMARY KEY,
+			inbound INTEGER NOT NULL DEFAULT 0,
+			outbound INTEGER NOT NULL DEFAULT 0
+		)
+	`)
+	if err != nil {
+		return err
+	}
+
+	// 创建总流量表
+	_, err = s.db.Exec(`
+		CREATE TABLE IF NOT EXISTS traffic_total (
+			id INTEGER PRIMARY KEY CHECK (id = 1),
+			inbound INTEGER NOT NULL DEFAULT 0,
+			outbound INTEGER NOT NULL DEFAULT 0
+		)
+	`)
+	if err != nil {
+		return err
+	}
+
+	// 初始化总流量记录
+	s.db.Exec(`INSERT OR IGNORE INTO traffic_total (id, inbound, outbound) VALUES (1, 0, 0)`)
+
 	return nil
 }
 
@@ -315,3 +343,82 @@ func (s *SQLiteStore) UpdateJSPluginConfig(name string, config map[string]string
 	_, err := s.db.Exec(`UPDATE js_plugins SET config = ?, updated_at = CURRENT_TIMESTAMP WHERE name = ?`, string(configJSON), name)
 	return err
 }
+
+// ========== 流量统计方法 ==========
+
+// getHourTimestamp 获取当前小时的时间戳
+func getHourTimestamp() int64 {
+	now := time.Now()
+	return time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location()).Unix()
+}
+
+// AddTraffic 添加流量记录
+func (s *SQLiteStore) AddTraffic(inbound, outbound int64) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	hourTs := getHourTimestamp()
+
+	// 更新小时统计
+	_, err := s.db.Exec(`
+		INSERT INTO traffic_stats (hour_ts, inbound, outbound) VALUES (?, ?, ?)
+		ON CONFLICT(hour_ts) DO UPDATE SET inbound = inbound + ?, outbound = outbound + ?
+	`, hourTs, inbound, outbound, inbound, outbound)
+	if err != nil {
+		return err
+	}
+
+	// 更新总流量
+	_, err = s.db.Exec(`
+		UPDATE traffic_total SET inbound = inbound + ?, outbound = outbound + ? WHERE id = 1
+	`, inbound, outbound)
+	return err
+}
+
+// GetTotalTraffic 获取总流量
+func (s *SQLiteStore) GetTotalTraffic() (inbound, outbound int64, err error) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	err = s.db.QueryRow(`SELECT inbound, outbound FROM traffic_total WHERE id = 1`).Scan(&inbound, &outbound)
+	return
+}
+
+// Get24HourTraffic 获取24小时流量
+func (s *SQLiteStore) Get24HourTraffic() (inbound, outbound int64, err error) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	cutoff := time.Now().Add(-24 * time.Hour).Unix()
+	err = s.db.QueryRow(`
+		SELECT COALESCE(SUM(inbound), 0), COALESCE(SUM(outbound), 0) 
+		FROM traffic_stats WHERE hour_ts >= ?
+	`, cutoff).Scan(&inbound, &outbound)
+	return
+}
+
+// GetHourlyTraffic 获取每小时流量记录
+func (s *SQLiteStore) GetHourlyTraffic(hours int) ([]TrafficRecord, error) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	cutoff := time.Now().Add(-time.Duration(hours) * time.Hour).Unix()
+	rows, err := s.db.Query(`
+		SELECT hour_ts, inbound, outbound FROM traffic_stats 
+		WHERE hour_ts >= ? ORDER BY hour_ts ASC
+	`, cutoff)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var records []TrafficRecord
+	for rows.Next() {
+		var r TrafficRecord
+		if err := rows.Scan(&r.Timestamp, &r.Inbound, &r.Outbound); err != nil {
+			return nil, err
+		}
+		records = append(records, r)
+	}
+	return records, nil
+}

internal/server/router/dto/config.go

@@ -21,7 +21,6 @@ type ServerConfigPart struct {
 // @Description Web 控制台配置
 type WebConfigPart struct {
 	Enabled  bool   `json:"enabled"`
-	BindAddr string `json:"bind_addr" binding:"omitempty"`
 	BindPort int    `json:"bind_port" binding:"omitempty,min=1,max=65535"`
 	Username string `json:"username" binding:"omitempty,min=3,max=32"`
 	Password string `json:"password" binding:"omitempty,min=6,max=64"`
@@ -46,7 +45,6 @@ type ServerConfigInfo struct {
 // WebConfigInfo Web 配置信息
 type WebConfigInfo struct {
 	Enabled  bool   `json:"enabled"`
-	BindAddr string `json:"bind_addr"`
 	BindPort int    `json:"bind_port"`
 	Username string `json:"username"`
 	Password string `json:"password"` // 显示为 ****

internal/server/router/handler/config.go

@@ -42,10 +42,9 @@ func (h *ConfigHandler) Get(c *gin.Context) {
 			HeartbeatTimeout: cfg.Server.HeartbeatTimeout,
 		},
 		Web: dto.WebConfigInfo{
-			Enabled:  cfg.Web.Enabled,
-			BindAddr: cfg.Web.BindAddr,
-			BindPort: cfg.Web.BindPort,
-			Username: cfg.Web.Username,
+			Enabled:  cfg.Server.Web.Enabled,
+			BindPort: cfg.Server.Web.BindPort,
+			Username: cfg.Server.Web.Username,
 			Password: "****",
 		},
 	}
@@ -93,15 +92,12 @@ func (h *ConfigHandler) Update(c *gin.Context) {
 
 	// 更新 Web 配置
 	if req.Web != nil {
-		cfg.Web.Enabled = req.Web.Enabled
-		if req.Web.BindAddr != "" {
-			cfg.Web.BindAddr = req.Web.BindAddr
-		}
+		cfg.Server.Web.Enabled = req.Web.Enabled
 		if req.Web.BindPort > 0 {
-			cfg.Web.BindPort = req.Web.BindPort
+			cfg.Server.Web.BindPort = req.Web.BindPort
 		}
-		cfg.Web.Username = req.Web.Username
-		cfg.Web.Password = req.Web.Password
+		cfg.Server.Web.Username = req.Web.Username
+		cfg.Server.Web.Password = req.Web.Password
 	}
 
 	if err := h.app.SaveConfig(); err != nil {

internal/server/router/handler/interfaces.go

@@ -14,6 +14,7 @@ type AppInterface interface {
 	GetConfigPath() string
 	SaveConfig() error
 	GetJSPluginStore() db.JSPluginStore
+	GetTrafficStore() db.TrafficStore
 }
 
 // ServerInterface 服务端接口

internal/server/router/handler/traffic.go

@@ -0,0 +1,76 @@
+package handler
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+// TrafficHandler 流量统计处理器
+type TrafficHandler struct {
+	app AppInterface
+}
+
+// NewTrafficHandler 创建流量统计处理器
+func NewTrafficHandler(app AppInterface) *TrafficHandler {
+	return &TrafficHandler{app: app}
+}
+
+// GetStats 获取流量统计
+// @Summary 获取流量统计
+// @Description 获取24小时和总流量统计
+// @Tags 流量
+// @Produce json
+// @Security Bearer
+// @Success 200 {object} Response
+// @Router /api/traffic/stats [get]
+func (h *TrafficHandler) GetStats(c *gin.Context) {
+	store := h.app.GetTrafficStore()
+
+	// 获取24小时流量
+	in24h, out24h, err := store.Get24HourTraffic()
+	if err != nil {
+		InternalError(c, err.Error())
+		return
+	}
+
+	// 获取总流量
+	inTotal, outTotal, err := store.GetTotalTraffic()
+	if err != nil {
+		InternalError(c, err.Error())
+		return
+	}
+
+	Success(c, gin.H{
+		"traffic_24h": gin.H{
+			"inbound":  in24h,
+			"outbound": out24h,
+		},
+		"traffic_total": gin.H{
+			"inbound":  inTotal,
+			"outbound": outTotal,
+		},
+	})
+}
+
+// GetHourly 获取每小时流量
+// @Summary 获取每小时流量
+// @Description 获取最近N小时的流量记录
+// @Tags 流量
+// @Produce json
+// @Security Bearer
+// @Param hours query int false "小时数" default(24)
+// @Success 200 {object} Response
+// @Router /api/traffic/hourly [get]
+func (h *TrafficHandler) GetHourly(c *gin.Context) {
+	hours := 24
+
+	store := h.app.GetTrafficStore()
+	records, err := store.GetHourlyTraffic(hours)
+	if err != nil {
+		InternalError(c, err.Error())
+		return
+	}
+
+	Success(c, gin.H{
+		"records": records,
+	})
+}

internal/server/router/router.go

@@ -110,6 +110,11 @@ func (r *GinRouter) SetupRoutes(app handler.AppInterface, jwtAuth *auth.JWTAuth,
 		logHandler := handler.NewLogHandler(app)
 		api.GET("/client/:id/logs", logHandler.StreamLogs)
 
+		// 流量统计
+		trafficHandler := handler.NewTrafficHandler(app)
+		api.GET("/traffic/stats", trafficHandler.GetStats)
+		api.GET("/traffic/hourly", trafficHandler.GetHourly)
+
 		// 插件 API 代理 (通过 Web API 访问客户端插件)
 		pluginAPIHandler := handler.NewPluginAPIHandler(app)
 		api.Any("/client/:id/plugin-api/:pluginID/*route", pluginAPIHandler.ProxyRequest)