refactor(backend): 拆分 Wire ProviderSet

backend/internal/server/http.go

@@ -0,0 +1,45 @@
+package server
+
+import (
+	"net/http"
+	"sub2api/internal/config"
+	"sub2api/internal/handler"
+	"sub2api/internal/repository"
+	"sub2api/internal/service"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/wire"
+)
+
+// ProviderSet 提供服务器层的依赖
+var ProviderSet = wire.NewSet(
+	ProvideRouter,
+	ProvideHTTPServer,
+)
+
+// ProvideRouter 提供路由器
+func ProvideRouter(cfg *config.Config, handlers *handler.Handlers, services *service.Services, repos *repository.Repositories) *gin.Engine {
+	if cfg.Server.Mode == "release" {
+		gin.SetMode(gin.ReleaseMode)
+	}
+
+	r := gin.New()
+	r.Use(gin.Recovery())
+
+	return SetupRouter(r, cfg, handlers, services, repos)
+}
+
+// ProvideHTTPServer 提供 HTTP 服务器
+func ProvideHTTPServer(cfg *config.Config, router *gin.Engine) *http.Server {
+	return &http.Server{
+		Addr:    cfg.Server.Address(),
+		Handler: router,
+		// ReadHeaderTimeout: 读取请求头的超时时间，防止慢速请求头攻击
+		ReadHeaderTimeout: time.Duration(cfg.Server.ReadHeaderTimeout) * time.Second,
+		// IdleTimeout: 空闲连接超时时间，释放不活跃的连接资源
+		IdleTimeout: time.Duration(cfg.Server.IdleTimeout) * time.Second,
+		// 注意：不设置 WriteTimeout，因为流式响应可能持续十几分钟
+		// 不设置 ReadTimeout，因为大请求体可能需要较长时间读取
+	}
+}