initial commit

listener/http3/listener.go

@@ -0,0 +1,81 @@
+package http3
+
+import (
+	"net"
+
+	"github.com/go-gost/gost/v3/pkg/common/metrics"
+	"github.com/go-gost/gost/v3/pkg/listener"
+	"github.com/go-gost/gost/v3/pkg/logger"
+	md "github.com/go-gost/gost/v3/pkg/metadata"
+	"github.com/go-gost/gost/v3/pkg/registry"
+	pht_util "github.com/go-gost/x/internal/util/pht"
+	"github.com/lucas-clemente/quic-go"
+)
+
+func init() {
+	registry.ListenerRegistry().Register("http3", NewListener)
+	registry.ListenerRegistry().Register("h3", NewListener)
+}
+
+type http3Listener struct {
+	addr    net.Addr
+	server  *pht_util.Server
+	logger  logger.Logger
+	md      metadata
+	options listener.Options
+}
+
+func NewListener(opts ...listener.Option) listener.Listener {
+	options := listener.Options{}
+	for _, opt := range opts {
+		opt(&options)
+	}
+	return &http3Listener{
+		logger:  options.Logger,
+		options: options,
+	}
+}
+
+func (l *http3Listener) Init(md md.Metadata) (err error) {
+	if err = l.parseMetadata(md); err != nil {
+		return
+	}
+
+	l.addr, err = net.ResolveUDPAddr("udp", l.options.Addr)
+	if err != nil {
+		return
+	}
+
+	l.server = pht_util.NewHTTP3Server(
+		l.options.Addr,
+		&quic.Config{},
+		pht_util.TLSConfigServerOption(l.options.TLSConfig),
+		pht_util.BacklogServerOption(l.md.backlog),
+		pht_util.PathServerOption(l.md.authorizePath, l.md.pushPath, l.md.pullPath),
+		pht_util.LoggerServerOption(l.options.Logger),
+	)
+
+	go func() {
+		if err := l.server.ListenAndServe(); err != nil {
+			l.logger.Error(err)
+		}
+	}()
+
+	return
+}
+
+func (l *http3Listener) Accept() (conn net.Conn, err error) {
+	conn, err = l.server.Accept()
+	if err != nil {
+		return
+	}
+	return metrics.WrapConn(l.options.Service, conn), nil
+}
+
+func (l *http3Listener) Addr() net.Addr {
+	return l.addr
+}
+
+func (l *http3Listener) Close() (err error) {
+	return l.server.Close()
+}