🎨 Improve http server

Signed-off-by: Daniel <845765@qq.com>

kernel/model/conf.go

@@ -745,6 +745,9 @@ func Close(force, setCurrentWorkspace bool, execInstallPkg int) (exitCode int) {
 		if nil != util.WebSocketServer {
 			util.WebSocketServer.Close()
 		}
+		if nil != util.HttpServer {
+			util.HttpServer.Close()
+		}
 		util.HttpServing = false
 
 		if util.ContainerAndroid == util.Container {

kernel/server/serve.go

@@ -217,7 +217,11 @@ func Serve(fastMode bool) {
 		// 反代服务器启动失败不影响核心服务器启动
 	}()
 
-	if err = http.Serve(ln, ginServer.Handler()); err != nil {
+	util.HttpServer = &http.Server{
+		Handler: ginServer,
+	}
+
+	if err = util.HttpServer.Serve(ln); err != nil {
 		if !fastMode {
 			logging.LogErrorf("boot kernel failed: %s", err)
 			os.Exit(logging.ExitCodeUnavailablePort)

kernel/util/working.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"math/rand"
 	"mime"
+	"net/http"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -72,6 +73,7 @@ func initEnvVars() {
 var (
 	bootProgress = atomic.Int32{} // 启动进度，从 0 到 100
 	bootDetails  string           // 启动细节描述
+	HttpServer   *http.Server     // HTTP 伺服器实例
 	HttpServing  = false          // 是否 HTTP 伺服已经可用
 )