84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package cmd
|
||
|
||
import (
|
||
"context"
|
||
"log"
|
||
"net/http"
|
||
"os"
|
||
"os/signal"
|
||
"sync"
|
||
"syscall"
|
||
"time"
|
||
|
||
"github.com/gorilla/mux"
|
||
)
|
||
|
||
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)
|
||
})
|
||
}
|
||
|
||
// CORS 中间件
|
||
func corsMiddleware() mux.MiddlewareFunc {
|
||
allowHeaders := "Content-Type, Accept, Authorization, Origin"
|
||
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)
|
||
})
|
||
}
|
||
}
|