exegroup/HTTPListenAndServe移动到eghttp并增加HTTPServer；

exegroup/eghttp/actor.go

@@ -0,0 +1,73 @@
+package eghttp
+
+import (
+	"context"
+	"net"
+	"net/http"
+	"strconv"
+	"sync/atomic"
+	"time"
+)
+
+const (
+	DefaultAddr              = ":8080"
+	DefaultReadHeaderTimeout = time.Second
+)
+
+type Option interface {
+	apply(server *http.Server)
+}
+
+func WithPort(port int) Option {
+	return optionFunc(func(server *http.Server) {
+		server.Addr = net.JoinHostPort("", strconv.Itoa(port))
+	})
+}
+
+func WithHandler(handler http.Handler) Option {
+	return optionFunc(func(server *http.Server) {
+		server.Handler = handler
+	})
+}
+
+// WithServerOption 使用 fn 配置 [http.Server];
+func WithServerOption(fn func(server *http.Server)) Option {
+	return optionFunc(fn)
+}
+
+type optionFunc func(server *http.Server)
+
+func (fn optionFunc) apply(server *http.Server) {
+	fn(server)
+}
+
+// HTTPListenAndServe 创建 [http.Server] 并提供启动和停止函数;
+// opts 按照顺序应用到 [http.Server] 上.
+func HTTPListenAndServe(opts ...Option) (func(ctx context.Context) error, func(ctx context.Context)) {
+	server := &http.Server{
+		Addr:              DefaultAddr,
+		ReadHeaderTimeout: DefaultReadHeaderTimeout,
+	}
+	for _, opt := range opts {
+		opt.apply(server)
+	}
+	return HTTPServer(server)
+}
+
+// HTTPServer 提供 [http.Server] 的启动和停止函数;
+func HTTPServer(server *http.Server) (func(ctx context.Context) error, func(ctx context.Context)) {
+	inShutdown := &atomic.Bool{}
+	c := make(chan error, 1)
+	goFunc := func(_ context.Context) error {
+		err := server.ListenAndServe()
+		if inShutdown.Load() {
+			err = <-c
+		}
+		return err
+	}
+	stopFunc := func(ctx context.Context) {
+		inShutdown.Store(true)
+		c <- server.Shutdown(ctx)
+	}
+	return goFunc, stopFunc
+}

exegroup/httpserver.go

@@ -1,33 +0,0 @@
-package exegroup
-
-import (
-	"context"
-	"net"
-	"net/http"
-	"strconv"
-	"sync/atomic"
-	"time"
-)
-
-// HTTPListenAndServe 提供 [http.Server] 的启动和停止函数;
-func HTTPListenAndServe(port int, handler http.Handler) (func(ctx context.Context) error, func(ctx context.Context)) {
-	server := &http.Server{
-		Addr:              net.JoinHostPort("", strconv.Itoa(port)),
-		Handler:           handler,
-		ReadHeaderTimeout: time.Second,
-	}
-	inShutdown := &atomic.Bool{}
-	c := make(chan error, 1)
-	goFunc := func(_ context.Context) error {
-		err := server.ListenAndServe()
-		if inShutdown.Load() {
-			err = <-c
-		}
-		return err
-	}
-	stopFunc := func(ctx context.Context) {
-		inShutdown.Store(true)
-		c <- server.Shutdown(ctx)
-	}
-	return goFunc, stopFunc
-}