mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-29 20:11:28 +00:00
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
package v2rayquic
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"os"
|
|
|
|
"github.com/sagernet/quic-go"
|
|
"github.com/sagernet/sing-box/adapter"
|
|
"github.com/sagernet/sing-box/common/tls"
|
|
C "github.com/sagernet/sing-box/constant"
|
|
"github.com/sagernet/sing-box/option"
|
|
"github.com/sagernet/sing-box/transport/hysteria"
|
|
"github.com/sagernet/sing/common"
|
|
E "github.com/sagernet/sing/common/exceptions"
|
|
M "github.com/sagernet/sing/common/metadata"
|
|
N "github.com/sagernet/sing/common/network"
|
|
)
|
|
|
|
var _ adapter.V2RayServerTransport = (*Server)(nil)
|
|
|
|
type Server struct {
|
|
ctx context.Context
|
|
tlsConfig *tls.STDConfig
|
|
quicConfig *quic.Config
|
|
handler N.TCPConnectionHandler
|
|
errorHandler E.Handler
|
|
udpListener net.PacketConn
|
|
quicListener quic.Listener
|
|
}
|
|
|
|
func NewServer(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
|
|
quicConfig := &quic.Config{
|
|
DisablePathMTUDiscovery: !C.IsLinux && !C.IsWindows,
|
|
}
|
|
stdConfig, err := tlsConfig.Config()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(stdConfig.NextProtos) == 0 {
|
|
stdConfig.NextProtos = []string{"h2", "http/1.1"}
|
|
}
|
|
server := &Server{
|
|
ctx: ctx,
|
|
tlsConfig: stdConfig,
|
|
quicConfig: quicConfig,
|
|
handler: handler,
|
|
errorHandler: errorHandler,
|
|
}
|
|
return server, nil
|
|
}
|
|
|
|
func (s *Server) Network() []string {
|
|
return []string{N.NetworkUDP}
|
|
}
|
|
|
|
func (s *Server) Serve(listener net.Listener) error {
|
|
return os.ErrInvalid
|
|
}
|
|
|
|
func (s *Server) ServePacket(listener net.PacketConn) error {
|
|
quicListener, err := quic.Listen(listener, s.tlsConfig, s.quicConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
s.udpListener = listener
|
|
s.quicListener = quicListener
|
|
go s.acceptLoop()
|
|
return nil
|
|
}
|
|
|
|
func (s *Server) acceptLoop() {
|
|
for {
|
|
conn, err := s.quicListener.Accept(s.ctx)
|
|
if err != nil {
|
|
return
|
|
}
|
|
go func() {
|
|
hErr := s.streamAcceptLoop(conn)
|
|
if hErr != nil {
|
|
s.errorHandler.NewError(conn.Context(), hErr)
|
|
}
|
|
}()
|
|
}
|
|
}
|
|
|
|
func (s *Server) streamAcceptLoop(conn quic.Connection) error {
|
|
for {
|
|
stream, err := conn.AcceptStream(s.ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
go s.handler.NewConnection(conn.Context(), &hysteria.StreamWrapper{Conn: conn, Stream: stream}, M.Metadata{})
|
|
}
|
|
}
|
|
|
|
func (s *Server) Close() error {
|
|
return common.Close(s.udpListener, s.quicListener)
|
|
}
|