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/*
* GodoOS - A lightweight cloud desktop
* Copyright (C) 2024 https://godoos.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"context"
"fmt"
"godo/libs"
"godo/store"
"log"
"net/http"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/gorilla/mux"
)
func OsStop() {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
err := store.StopAllHandler()
if err != nil {
log.Fatalf("Servers forced to shutdown error: %v", err)
}
if err := srv.Shutdown(ctx); err != nil {
log.Fatalf("Server forced to shutdown: %v", err)
}
log.Println("Server stopped.")
}
func OsRestart() {
// 停止当前服务
OsStop()
// 重新启动服务
OsStart()
}
func Serve(srv *http.Server) {
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("Error starting server: %v\n", err)
}
}()
// 监听退出信号
ctx, cancel := context.WithCancel(context.Background())
go func() {
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
<-c
log.Println("Received signal, gracefully shutting down...")
cancel()
}()
<-ctx.Done()
shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 5*time.Second)
defer shutdownCancel()
if err := srv.Shutdown(shutdownCtx); err != nil {
log.Printf("Error during server shutdown: %v\n", err)
}
wg.Wait()
}
type loggingMiddleware struct {
}
func (l loggingMiddleware) Middleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
defer func() {
log.Printf(
"%s %s %s %v",
r.Method,
r.URL.Path,
r.Proto,
time.Since(startTime),
)
}()
next.ServeHTTP(w, r)
})
}
func recoverMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
defer func() {
if err := recover(); err != nil {
// log.Printf("Recovered from panic: %v", err)
// http.Error(w, "Internal Server Error", http.StatusInternalServerError)
libs.ErrorMsg(w, "Internal Server Error:"+fmt.Sprintf("%v", err))
}
}()
next.ServeHTTP(w, r)
})
}
// CORS 中间件
func corsMiddleware() mux.MiddlewareFunc {
allowHeaders := "Content-Type, Accept, Authorization, Origin, Pwd, sysuser"
allowMethods := "GET, POST, PUT, DELETE, OPTIONS"
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", allowMethods)
w.Header().Set("Access-Control-Allow-Headers", allowHeaders)
// 如果是预检请求(OPTIONS),直接返回 200 OK
if r.Method == http.MethodOptions {
w.WriteHeader(http.StatusOK)
return
}
next.ServeHTTP(w, r)
})
}
}