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) ServeStatic(path string, fsys http.FileSystem) { s.router.ServeFiles(path, fsys) } 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 }