add reload for web api

api/service/service.go

@@ -0,0 +1,96 @@
+package service
+
+import (
+	"net"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-gost/core/auth"
+	"github.com/go-gost/core/service"
+	"github.com/go-gost/x/api"
+)
+
+type options struct {
+	accessLog  bool
+	pathPrefix string
+	auther     auth.Authenticator
+}
+
+type Option func(*options)
+
+func PathPrefixOption(pathPrefix string) Option {
+	return func(o *options) {
+		o.pathPrefix = pathPrefix
+	}
+}
+
+func AccessLogOption(enable bool) Option {
+	return func(o *options) {
+		o.accessLog = enable
+	}
+}
+
+func AutherOption(auther auth.Authenticator) Option {
+	return func(o *options) {
+		o.auther = auther
+	}
+}
+
+type server struct {
+	s      *http.Server
+	ln     net.Listener
+	cclose chan struct{}
+}
+
+func NewService(network, addr string, opts ...Option) (service.Service, error) {
+	if network == "" {
+		network = "tcp"
+	}
+	ln, err := net.Listen(network, addr)
+	if err != nil {
+		return nil, err
+	}
+
+	var options options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	gin.SetMode(gin.ReleaseMode)
+
+	r := gin.New()
+	api.Register(r, &api.Options{
+		AccessLog:  options.accessLog,
+		PathPrefix: options.pathPrefix,
+		Auther:     options.auther,
+	})
+
+	return &server{
+		s: &http.Server{
+			Handler: r,
+		},
+		ln:     ln,
+		cclose: make(chan struct{}),
+	}, nil
+}
+
+func (s *server) Serve() error {
+	return s.s.Serve(s.ln)
+}
+
+func (s *server) Addr() net.Addr {
+	return s.ln.Addr()
+}
+
+func (s *server) Close() error {
+	return s.s.Close()
+}
+
+func (s *server) IsClosed() bool {
+	select {
+	case <-s.cclose:
+		return true
+	default:
+		return false
+	}
+}