实现代理网关管理接口

Dockerfile

@@ -19,7 +19,7 @@ WORKDIR /app
 
 ENV TZ=Asia/Shanghai
 
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 RUN apk add --no-cache ca-certificates tzdata
 
 COPY --from=builder /build/bin/platform_linux_amd64 /app/platform

README.md

@@ -1,8 +1,10 @@
 ## TODO
 
-交易信息持久化
+proxy 的删除和更新，锁粒度应该有问题
 
-用户请求需要检查数据权限
+最低价格 0.01
+
+交易信息持久化
 
 用反射实现环境变量解析，以简化函数签名
 
@@ -10,12 +12,8 @@
 
 分离 task 的客户端，支持多进程（prefork 必要！）
 
-jsonb 类型转换问题，考虑一个高效的 any 到 struct 转换工具
-
 慢速请求底层调用埋点监控
 
-数据库转模型文件
-
 冷数据迁移方案
 
 ## 开发环境
@@ -49,13 +47,6 @@ jsonb 类型转换问题，考虑一个高效的 any 到 struct 转换工具
 3. 异步回调事件，收到支付成功事件后自动完成订单
 4. 用户退出支付界面，客户端主动发起关闭订单
 
-### 产品字典表
-
-| 代码  | 产品         |
-| ----- | ------------ |
-| short | 短效动态代理 |
-| long  | 长效动态代理 |
-
 ### 节点分配与存储逻辑
 
 提取：

docker-compose.yaml

@@ -31,6 +31,15 @@ services:
     ports:
       - "5433:5432"
 
+  asynqmon:
+    image: hibiken/asynqmon:latest
+    environment:
+      - REDIS_ADDR=redis:6379
+    ports:
+      - "9800:8080"
+    depends_on:
+      - redis
+
 volumes:
   postgres_data:
   redis_data:

scripts/sql/fill.sql

@@ -126,7 +126,8 @@ insert into permission (name, description, sort) values
     ('channel',          'IP',        11),
     ('trade',            '交易',      12),
     ('bill',             '账单',      13),
-    ('balance_activity', '余额变动',  14);
+    ('balance_activity', '余额变动',  14),
+    ('proxy',            '代理',      15);
 
 -- --------------------------
 -- level 2
@@ -189,6 +190,11 @@ insert into permission (parent_id, name, description, sort) values
     ((select id from permission where name = 'channel'           and deleted_at is null), 'channel:read',           '读取 IP 列表',       1),
     ((select id from permission where name = 'channel'           and deleted_at is null), 'channel:write',          '写入 IP',            2);
 
+-- proxy 子权限
+insert into permission (parent_id, name, description, sort) values
+    ((select id from permission where name = 'proxy'             and deleted_at is null), 'proxy:read',             '读取代理列表',       1),
+    ((select id from permission where name = 'proxy'             and deleted_at is null), 'proxy:write',            '写入代理',           2);
+
 -- trade 子权限
 insert into permission (parent_id, name, description, sort) values
     ((select id from permission where name = 'trade'             and deleted_at is null), 'trade:read',             '读取交易列表',       1),
@@ -211,6 +217,10 @@ insert into permission (parent_id, name, description, sort) values
 insert into permission (parent_id, name, description, sort) values
     ((select id from permission where name = 'product_sku:write'  and deleted_at is null), 'product_sku:write:status', '更改产品套餐状态', 1);
 
+-- proxy:write 子权限
+insert into permission (parent_id, name, description, sort) values
+    ((select id from permission where name = 'proxy:write'        and deleted_at is null), 'proxy:write:status',       '更改代理状态',       1);
+
 -- resource:short 子权限
 insert into permission (parent_id, name, description, sort) values
     ((select id from permission where name = 'resource:short'     and deleted_at is null), 'resource:short:read',      '读取用户短效动态套餐列表', 1);

web/core/scopes.go

@@ -62,6 +62,11 @@ const (
 	ScopeChannelReadOfUser = string("channel:read:of_user") // 读取指定用户的 IP 列表
 	ScopeChannelWrite      = string("channel:write")        // 写入 IP
 
+	ScopeProxy            = string("proxy")              // 代理
+	ScopeProxyRead        = string("proxy:read")         // 读取代理列表
+	ScopeProxyWrite       = string("proxy:write")        // 写入代理
+	ScopeProxyWriteStatus = string("proxy:write:status") // 更改代理状态
+
 	ScopeTrade              = string("trade")                // 交易
 	ScopeTradeRead          = string("trade:read")           // 读取交易列表
 	ScopeTradeReadOfUser    = string("trade:read:of_user")   // 读取指定用户的交易列表

web/handlers/admin.go

@@ -15,12 +15,12 @@ func PageAdminByAdmin(c *fiber.Ctx) error {
 		return err
 	}
 
-	var req PageAdminsReq
+	var req core.PageReq
 	if err := g.Validator.ParseBody(c, &req); err != nil {
 		return err
 	}
 
-	list, total, err := s.Admin.Page(req.PageReq)
+	list, total, err := s.Admin.Page(req)
 	if err != nil {
 		return err
 	}
@@ -33,10 +33,6 @@ func PageAdminByAdmin(c *fiber.Ctx) error {
 	})
 }
 
-type PageAdminsReq struct {
-	core.PageReq
-}
-
 func AllAdminByAdmin(c *fiber.Ctx) error {
 	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeAdminRead)
 	if err != nil {

web/handlers/channel.go

@@ -201,7 +201,7 @@ func CreateChannel(c *fiber.Ctx) error {
 		req.AuthType == s.ChannelAuthTypeIp,
 		req.AuthType == s.ChannelAuthTypePass,
 		req.Count,
-		s.EdgeFilter{
+		&s.EdgeFilter{
 			Isp:  isp,
 			Prov: req.Prov,
 			City: req.City,

web/handlers/proxy.go

@@ -1,61 +1,123 @@
 package handlers
 
 import (
-	"net/netip"
-	"platform/pkg/env"
 	"platform/web/auth"
 	"platform/web/core"
-	"platform/web/globals"
+	g "platform/web/globals"
 	s "platform/web/services"
 	"time"
 
 	"github.com/gofiber/fiber/v2"
 )
 
-func DebugRegisterProxyBaiYin(c *fiber.Ctx) error {
-	if env.RunMode != env.RunModeDev {
-		return fiber.ErrNotFound
-	}
-
-	err := s.Proxy.RegisterBaiyin("1a:2b:3c:4d:5e:6f", netip.AddrFrom4([4]byte{127, 0, 0, 1}), "test", "test")
-	if err != nil {
-		return core.NewServErr("注册失败", err)
-	}
-
-	return nil
-}
-
-// 注册白银代理网关
-func ProxyRegisterBaiYin(c *fiber.Ctx) error {
-	_, err := auth.GetAuthCtx(c).PermitOfficialClient()
+func PageProxyByAdmin(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeProxyRead)
 	if err != nil {
 		return err
 	}
 
-	req := new(RegisterProxyBaiyinReq)
-	err = globals.Validator.ParseBody(c, req)
+	var req core.PageReq
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	list, total, err := s.Proxy.Page(req)
 	if err != nil {
 		return err
 	}
 
-	addr, err := netip.ParseAddr(req.IP)
-	if err != nil {
-		return core.NewServErr("IP地址格式错误", err)
-	}
-
-	err = s.Proxy.RegisterBaiyin(req.Name, addr, req.Username, req.Password)
-	if err != nil {
-		return core.NewServErr("注册失败", err)
-	}
-
-	return nil
+	return c.JSON(core.PageResp{
+		List:  list,
+		Total: int(total),
+		Page:  req.GetPage(),
+		Size:  req.GetSize(),
+	})
 }
 
-type RegisterProxyBaiyinReq struct {
-	Name     string `json:"name" validate:"required"`
-	IP       string `json:"ip" validate:"required"`
-	Username string `json:"username" validate:"required"`
-	Password string `json:"password" validate:"required"`
+func AllProxyByAdmin(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeProxyRead)
+	if err != nil {
+		return err
+	}
+
+	list, err := s.Proxy.All()
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(list)
+}
+
+func CreateProxy(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeProxyWrite)
+	if err != nil {
+		return err
+	}
+
+	var req s.CreateProxy
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	if err := s.Proxy.Create(&req); err != nil {
+		return err
+	}
+
+	return c.JSON(nil)
+}
+
+func UpdateProxy(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeProxyWrite)
+	if err != nil {
+		return err
+	}
+
+	var req s.UpdateProxy
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	if err := s.Proxy.Update(&req); err != nil {
+		return err
+	}
+
+	return c.JSON(nil)
+}
+
+func UpdateProxyStatus(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeProxyWriteStatus)
+	if err != nil {
+		return err
+	}
+
+	var req s.UpdateProxyStatus
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	if err := s.Proxy.UpdateStatus(&req); err != nil {
+		return err
+	}
+
+	return c.JSON(nil)
+}
+
+func RemoveProxy(c *fiber.Ctx) error {
+	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeProxyWrite)
+	if err != nil {
+		return err
+	}
+
+	var req core.IdReq
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	if err := s.Proxy.Remove(req.Id); err != nil {
+		return err
+	}
+
+	return c.JSON(nil)
 }
 
 // region 报告上线

web/handlers/resource.go

@@ -797,10 +797,7 @@ type CreateResourceReq struct {
 // ResourcePrice 套餐价格
 func ResourcePrice(c *fiber.Ctx) error {
 	// 检查权限
-	_, err := auth.GetAuthCtx(c).PermitSecretClient()
-	if err != nil {
-		return err
-	}
+	ac := auth.GetAuthCtx(c)
 
 	// 解析请求参数
 	var req = new(CreateResourceReq)
@@ -809,7 +806,7 @@ func ResourcePrice(c *fiber.Ctx) error {
 	}
 
 	// 获取套餐价格
-	detail, err := req.TradeDetail(nil)
+	detail, err := req.TradeDetail(ac.User)
 	if err != nil {
 		return err
 	}

web/routes.go

@@ -25,7 +25,6 @@ func ApplyRouters(app *fiber.App) {
 	if env.RunMode == env.RunModeDev {
 		debug := app.Group("/debug")
 		debug.Get("/sms/:phone", handlers.DebugGetSmsCode)
-		debug.Get("/proxy/register", handlers.DebugRegisterProxyBaiYin)
 		debug.Get("/iden/clear/:phone", handlers.DebugIdentifyClear)
 		debug.Get("/session/now", func(ctx *fiber.Ctx) error {
 			rs, err := q.Session.Where(q.Session.AccessTokenExpires.Gt(time.Now())).Find()
@@ -134,9 +133,6 @@ func clientRouter(api fiber.Router) {
 	channel := client.Group("/channel")
 	channel.Post("/remove", handlers.RemoveChannels)
 
-	// 代理网关注册
-	proxy := client.Group("/proxy")
-	proxy.Post("/register/baidyin", handlers.ProxyRegisterBaiYin)
 }
 
 // 管理员接口路由
@@ -196,6 +192,15 @@ func adminRouter(api fiber.Router) {
 	channel.Post("/page", handlers.PageChannelByAdmin)
 	channel.Post("/page/of-user", handlers.PageChannelOfUserByAdmin)
 
+	// proxy 代理
+	var proxy = api.Group("/proxy")
+	proxy.Post("/all", handlers.AllProxyByAdmin)
+	proxy.Post("/page", handlers.PageProxyByAdmin)
+	proxy.Post("/create", handlers.CreateProxy)
+	proxy.Post("/update", handlers.UpdateProxy)
+	proxy.Post("/update/status", handlers.UpdateProxyStatus)
+	proxy.Post("/remove", handlers.RemoveProxy)
+
 	// trade 交易
 	var trade = api.Group("/trade")
 	trade.Post("/page", handlers.PageTradeByAdmin)

web/services/channel.go

@@ -24,7 +24,7 @@ var Channel = &channelServer{
 }
 
 type ChannelServiceProvider interface {
-	CreateChannels(source netip.Addr, resourceId int32, authWhitelist bool, authPassword bool, count int, edgeFilter ...EdgeFilter) ([]*m.Channel, error)
+	CreateChannels(source netip.Addr, resourceId int32, authWhitelist bool, authPassword bool, count int, edgeFilter *EdgeFilter) ([]*m.Channel, error)
 	RemoveChannels(batch string) error
 }
 
@@ -32,8 +32,8 @@ type channelServer struct {
 	provider ChannelServiceProvider
 }
 
-func (s *channelServer) CreateChannels(source netip.Addr, resourceId int32, authWhitelist bool, authPassword bool, count int, edgeFilter ...EdgeFilter) ([]*m.Channel, error) {
-	return s.provider.CreateChannels(source, resourceId, authWhitelist, authPassword, count, edgeFilter...)
+func (s *channelServer) CreateChannels(source netip.Addr, resourceId int32, authWhitelist bool, authPassword bool, count int, edgeFilter *EdgeFilter) ([]*m.Channel, error) {
+	return s.provider.CreateChannels(source, resourceId, authWhitelist, authPassword, count, edgeFilter)
 }
 
 func (s *channelServer) RemoveChannels(batch string) error {
@@ -232,7 +232,7 @@ func regChans(proxy int32, chans []netip.AddrPort) error {
 // 缩容通道
 func remChans(proxy int32) error {
 	key := freeChansKey + ":" + strconv.Itoa(int(proxy))
-	err := g.Redis.SRem(context.Background(), key).Err()
+	err := g.Redis.Del(context.Background(), key).Err()
 	if err != nil {
 		return fmt.Errorf("缩容通道失败: %w", err)
 	}
@@ -268,11 +268,12 @@ func lockChans(proxy int32, batch string, count int) ([]netip.AddrPort, error) {
 }
 
 var RedisScriptLockChans = redis.NewScript(`
-local free_key = KEYS[1]
+local free_key  = KEYS[1]
 local batch_key = KEYS[2]
 local count     = tonumber(ARGV[1])
 
-if redis.call("SCARD", free_key) < count then
+local free_count = redis.call("SCARD", free_key)
+if count <= 0 or free_count < count then
     return nil
 end
 
@@ -301,16 +302,17 @@ func freeChans(proxy int32, batch string) error {
 }
 
 var RedisScriptFreeChans = redis.NewScript(`
-local free_key = KEYS[1]
+local free_key  = KEYS[1]
 local batch_key = KEYS[2]
 
 local chans = redis.call("LRANGE", batch_key, 0, -1)
-redis.call("DEL", batch_key)
-
-if redis.call("EXISTS", free_key) == 1 then
-	redis.call("SADD", free_key, unpack(chans))
+if #chans == 0 then
+    return 1
 end
 
+redis.call("SADD", free_key, unpack(chans))
+redis.call("DEL", batch_key)
+
 return 1
 `)
 

web/services/channel_baiyin.go

@@ -23,10 +23,9 @@ import (
 
 type channelBaiyinProvider struct{}
 
-func (s *channelBaiyinProvider) CreateChannels(source netip.Addr, resourceId int32, authWhitelist bool, authPassword bool, count int, edgeFilter ...EdgeFilter) ([]*m.Channel, error) {
-	var filter *EdgeFilter = nil
-	if len(edgeFilter) > 0 {
-		filter = &edgeFilter[0]
+func (s *channelBaiyinProvider) CreateChannels(source netip.Addr, resourceId int32, authWhitelist bool, authPassword bool, count int, filter *EdgeFilter) ([]*m.Channel, error) {
+	if filter == nil {
+		return nil, core.NewBizErr("缺少节点过滤条件")
 	}
 
 	now := time.Now()
@@ -64,10 +63,27 @@ func (s *channelBaiyinProvider) CreateChannels(source netip.Addr, resourceId int
 	}
 	proxy := proxyResult.Proxy
 
-	// 获取可用通道
-	chans, err := lockChans(proxy.ID, batch, count)
+	// 锁内确认状态并锁定端口，避免与状态切换并发穿透
+	var chans []netip.AddrPort
+	err = g.Redsync.WithLock(proxyStatusLockKey(proxy.ID), func() error {
+		lockedProxy, err := q.Proxy.Where(q.Proxy.ID.Eq(proxy.ID)).Take()
+		if err != nil {
+			return err
+		}
+		if lockedProxy.Status != m.ProxyStatusOnline {
+			return core.NewBizErr("无可用主机，请稍后再试")
+		}
+
+		chans, err = lockChans(proxy.ID, batch, count)
+		if err != nil {
+			return core.NewBizErr("无可用通道，请稍后再试", err)
+		}
+
+		proxy = *lockedProxy
+		return nil
+	})
 	if err != nil {
-		return nil, core.NewBizErr("无可用通道，请稍后再试", err)
+		return nil, err
 	}
 
 	// 获取可用节点
@@ -86,7 +102,7 @@ func (s *channelBaiyinProvider) CreateChannels(source netip.Addr, resourceId int
 		return nil, core.NewBizErr("获取可用节点失败", err)
 	}
 	if edgesResp.Total != count && len(edgesResp.Edges) != count {
-		return nil, core.NewBizErr("地区可用节点数量不足 [%s, %s] [%s]")
+		return nil, core.NewBizErr("地区可用节点数量不足")
 	}
 	edges := edgesResp.Edges
 
@@ -98,10 +114,6 @@ func (s *channelBaiyinProvider) CreateChannels(source netip.Addr, resourceId int
 		ch := chans[i]
 		edge := edges[i]
 
-		if err != nil {
-			return nil, core.NewBizErr("解析通道地址失败", err)
-		}
-
 		// 通道数据
 		channels[i] = &m.Channel{
 			UserID:     user.ID,
@@ -301,7 +313,7 @@ func (s *channelBaiyinProvider) RemoveChannels(batch string) error {
 		})
 
 		// 清空通道配置
-		secret := strings.Split(*proxy.Secret, ":")
+		secret := strings.Split(u.Z(proxy.Secret), ":")
 		gateway := g.NewGateway(proxy.IP.String(), secret[0], secret[1])
 		err := gateway.GatewayPortConfigs(configs)
 		if err != nil {
@@ -321,6 +333,6 @@ func (s *channelBaiyinProvider) RemoveChannels(batch string) error {
 		return err
 	}
 
-	slog.Debug("清除代理端口配置", "time", time.Since(start).String())
+	slog.Debug("清除代理端口配置", "duration", time.Since(start).String())
 	return nil
 }

web/services/proxy.go

@@ -1,65 +1,216 @@
 package services
 
 import (
+	"context"
 	"fmt"
 	"net/netip"
 	"platform/pkg/u"
 	"platform/web/core"
+	g "platform/web/globals"
 	"platform/web/globals/orm"
 	m "platform/web/models"
 	q "platform/web/queries"
+	"strconv"
 	"time"
+
+	"gorm.io/gen/field"
 )
 
 var Proxy = &proxyService{}
 
 type proxyService struct{}
 
-// AllProxies 获取所有代理
-func (s *proxyService) AllProxies(proxyType m.ProxyType, channels bool) ([]*m.Proxy, error) {
-	proxies, err := q.Proxy.Where(
-		q.Proxy.Type.Eq(int(proxyType)),
-		q.Proxy.Status.Eq(int(m.ProxyStatusOnline)),
-	).Preload(
-		q.Proxy.Channels.On(q.Channel.ExpiredAt.Gte(time.Now())),
-	).Find()
-	if err != nil {
-		return nil, err
-	}
-
-	return proxies, nil
+func proxyStatusLockKey(id int32) string {
+	return fmt.Sprintf("platform:proxy:status:%d", id)
 }
 
-// RegisterBaiyin 注册新代理服务
-func (s *proxyService) RegisterBaiyin(Name string, IP netip.Addr, username, password string) error {
-
-	// 保存代理信息
-	proxy := &m.Proxy{
-		Version: 0,
-		Mac:     Name,
-		IP:      orm.Inet{Addr: IP},
-		Secret:  u.P(fmt.Sprintf("%s:%s", username, password)),
-		Type:    m.ProxyTypeBaiYin,
-		Status:  m.ProxyStatusOnline,
+func hasUsedChans(proxyID int32) (bool, error) {
+	ctx := context.Background()
+	pattern := usedChansKey + ":" + strconv.Itoa(int(proxyID)) + ":*"
+	keys, _, err := g.Redis.Scan(ctx, 0, pattern, 1).Result()
+	if err != nil {
+		return false, err
 	}
-	if err := q.Proxy.Create(proxy); err != nil {
-		return core.NewServErr("保存通道数据失败")
+	return len(keys) > 0, nil
+}
+
+func rebuildFreeChans(proxyID int32, addr netip.Addr) error {
+	if err := remChans(proxyID); err != nil {
+		return err
 	}
 
-	// 添加可用通道到 redis
 	chans := make([]netip.AddrPort, 10000)
 	for i := range 10000 {
-		chans[i] = netip.AddrPortFrom(IP, uint16(i+10000))
+		chans[i] = netip.AddrPortFrom(addr, uint16(i+10000))
 	}
-	err := regChans(proxy.ID, chans)
+
+	if err := regChans(proxyID, chans); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (s *proxyService) Page(req core.PageReq) (result []*m.Proxy, count int64, err error) {
+	return q.Proxy.
+		Omit(q.Proxy.Version, q.Proxy.Meta).
+		Order(q.Proxy.CreatedAt.Desc()).
+		FindByPage(req.GetOffset(), req.GetLimit())
+}
+
+func (s *proxyService) All() (result []*m.Proxy, err error) {
+	return q.Proxy.
+		Omit(q.Proxy.Version, q.Proxy.Meta).
+		Order(q.Proxy.CreatedAt.Desc()).
+		Find()
+}
+
+type CreateProxy struct {
+	Mac    string         `json:"mac" validate:"required"`
+	IP     string         `json:"ip" validate:"required"`
+	Host   *string        `json:"host"`
+	Secret *string        `json:"secret"`
+	Type   *m.ProxyType   `json:"type"`
+	Status *m.ProxyStatus `json:"status"`
+}
+
+func (s *proxyService) Create(create *CreateProxy) error {
+	addr, err := netip.ParseAddr(create.IP)
 	if err != nil {
-		return core.NewServErr("添加通道失败", err)
+		return core.NewServErr("IP地址格式错误", err)
 	}
 
+	return q.Q.Transaction(func(tx *q.Query) error {
+		proxy := &m.Proxy{
+			Mac:    create.Mac,
+			IP:     orm.Inet{Addr: addr},
+			Host:   create.Host,
+			Secret: create.Secret,
+			Type:   u.Else(create.Type, m.ProxyTypeSelfHosted),
+			Status: u.Else(create.Status, m.ProxyStatusOffline),
+		}
+		if err := tx.Proxy.Create(proxy); err != nil {
+			return core.NewServErr("保存代理数据失败", err)
+		}
+		if err := rebuildFreeChans(proxy.ID, addr); err != nil {
+			return core.NewServErr("初始化代理通道失败", err)
+		}
+		return nil
+	})
+}
+
+type UpdateProxy struct {
+	ID     int32   `json:"id" validate:"required"`
+	Mac    *string `json:"mac"`
+	IP     *string `json:"ip"`
+	Host   *string `json:"host"`
+	Secret *string `json:"secret"`
+}
+
+func (s *proxyService) Update(update *UpdateProxy) error {
+	simples := make([]field.AssignExpr, 0)
+	hasSideEffect := false
+
+	if update.Mac != nil {
+		hasSideEffect = true
+		simples = append(simples, q.Proxy.Mac.Value(*update.Mac))
+	}
+	if update.IP != nil {
+		addr, err := netip.ParseAddr(*update.IP)
+		if err != nil {
+			return core.NewServErr("IP地址格式错误", err)
+		}
+		hasSideEffect = true
+		simples = append(simples, q.Proxy.IP.Value(orm.Inet{Addr: addr}))
+	}
+	if update.Host != nil {
+		simples = append(simples, q.Proxy.Host.Value(*update.Host))
+	}
+	if update.Secret != nil {
+		hasSideEffect = true
+		simples = append(simples, q.Proxy.Secret.Value(*update.Secret))
+	}
+
+	if len(simples) == 0 {
+		return nil
+	}
+
+	if hasSideEffect {
+		used, err := hasUsedChans(update.ID)
+		if err != nil {
+			return core.NewServErr("检查代理通道状态失败", err)
+		}
+		if used {
+			return core.NewBizErr("代理存在未关闭通道，禁止修改")
+		}
+	}
+
+	rs, err := q.Proxy.
+		Where(
+			q.Proxy.ID.Eq(update.ID),
+			q.Proxy.Status.Eq(int(m.ProxyStatusOffline)),
+		).
+		UpdateSimple(simples...)
+	if err != nil {
+		return err
+	}
+	if rs.RowsAffected == 0 {
+		return core.NewBizErr("代理未下线，禁止修改")
+	}
 	return nil
 }
 
-// UnregisterBaiyin 注销代理服务
-func (s *proxyService) UnregisterBaiyin(id int) error {
+func (s *proxyService) Remove(id int32) error {
+	used, err := hasUsedChans(id)
+	if err != nil {
+		return core.NewServErr("检查代理通道状态失败", err)
+	}
+	if used {
+		return core.NewBizErr("代理存在未关闭通道，禁止删除")
+	}
+
+	rs, err := q.Proxy.
+		Where(
+			q.Proxy.ID.Eq(id),
+			q.Proxy.Status.Eq(int(m.ProxyStatusOffline)),
+		).
+		UpdateColumn(q.Proxy.DeletedAt, time.Now())
+	if err != nil {
+		return err
+	}
+	if rs.RowsAffected == 0 {
+		return core.NewBizErr("代理未下线，禁止删除")
+	}
+	if err := remChans(id); err != nil {
+		return core.NewServErr("注销代理通道失败", err)
+	}
 	return nil
 }
+
+type UpdateProxyStatus struct {
+	ID     int32         `json:"id" validate:"required"`
+	Status m.ProxyStatus `json:"status" validate:"required"`
+}
+
+func (s *proxyService) UpdateStatus(update *UpdateProxyStatus) error {
+	return g.Redsync.WithLock(proxyStatusLockKey(update.ID), func() error {
+		proxy, err := q.Proxy.Where(q.Proxy.ID.Eq(update.ID)).Take()
+		if err != nil {
+			return err
+		}
+
+		if proxy.Status == update.Status {
+			return nil
+		}
+
+		if update.Status == m.ProxyStatusOnline {
+			if err := rebuildFreeChans(proxy.ID, proxy.IP.Addr); err != nil {
+				return core.NewServErr("初始化代理通道失败", err)
+			}
+		}
+
+		_, err = q.Proxy.
+			Where(q.Proxy.ID.Eq(update.ID)).
+			UpdateSimple(q.Proxy.Status.Value(int(update.Status)))
+		return err
+	})
+}

web/services/resource.go

@@ -2,6 +2,7 @@ package services
 
 import (
 	"fmt"
+	"log/slog"
 	"platform/pkg/u"
 	"platform/web/core"
 	m "platform/web/models"
@@ -151,7 +152,8 @@ func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, c
 		Where(q.ProductSku.Code.Eq(skuCode), q.ProductSku.Status.Eq(int32(m.SkuStatusEnabled))).
 		Take()
 	if err != nil {
-		return nil, nil, nil, decimal.Zero, decimal.Zero, decimal.Zero, core.NewServErr(fmt.Sprintf("产品不可用 %s", skuCode), err)
+		slog.Debug("查询产品失败", "skuCode", skuCode)
+		return nil, nil, nil, decimal.Zero, decimal.Zero, decimal.Zero, core.NewBizErr(fmt.Sprintf("产品不可用", skuCode), err)
 	}
 
 	// 原价
@@ -172,7 +174,7 @@ func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, c
 		}
 
 		uDiscountRate := uDiscount.Rate()
-		if uDiscountRate.Cmp(discountRate) > 0 {
+		if uDiscountRate.Cmp(discountRate) < 0 {
 			discountRate = uDiscountRate
 			discount = uDiscount
 		}