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justguestbook/pkg/server/http.go

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2022-10-19 03:25:43 +04:00
package server
import (
"context"
"log"
"net"
"net/http"
"os"
"time"
"github.com/julienschmidt/httprouter"
)
type HttpServer struct {
server *http.Server
router *httprouter.Router
}
func NewHttpServer() *HttpServer {
r := httprouter.New()
return &HttpServer{
server: &http.Server{
ReadTimeout: 3 * time.Second,
WriteTimeout: 3 * time.Second,
Handler: r,
},
router: r,
}
}
func (s *HttpServer) GET(path string, handler http.HandlerFunc) {
s.router.Handler(http.MethodGet, path, handler)
}
func (s *HttpServer) POST(path string, handler http.HandlerFunc) {
s.router.Handler(http.MethodPost, path, handler)
}
func (s *HttpServer) PATCH(path string, handler http.HandlerFunc) {
s.router.Handler(http.MethodPatch, path, handler)
}
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func (s *HttpServer) PUT(path string, handler http.HandlerFunc) {
s.router.Handler(http.MethodPut, path, handler)
}
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func (s *HttpServer) DELETE(path string, handler http.HandlerFunc) {
s.router.Handler(http.MethodDelete, path, handler)
}
func (s *HttpServer) SetNotFoundHandler(handler http.HandlerFunc) {
s.router.NotFound = handler
}
// GetURLParam wrapper around underlying router for getting URL parameters.
func GetURLParam(r *http.Request, param string) string {
return httprouter.ParamsFromContext(r.Context()).ByName(param)
}
func (s *HttpServer) Start(network, address string) error {
listener, err := net.Listen(network, address)
if err != nil {
return err
}
if listener.Addr().Network() == "unix" {
os.Chmod(address, 0777)
}
go func() {
if err = s.server.Serve(listener); err != nil && err != http.ErrServerClosed {
log.Fatalln(err)
}
}()
return nil
}
func (s *HttpServer) Stop() error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if err := s.server.Shutdown(ctx); err != nil {
return err
}
return nil
}