package singbridge import ( "context" "os" M "github.com/sagernet/sing/common/metadata" N "github.com/sagernet/sing/common/network" "github.com/xtls/xray-core/common/net" "github.com/xtls/xray-core/common/net/cnc" "github.com/xtls/xray-core/common/session" "github.com/xtls/xray-core/proxy" "github.com/xtls/xray-core/transport" "github.com/xtls/xray-core/transport/internet" "github.com/xtls/xray-core/transport/pipe" ) var _ N.Dialer = (*XrayDialer)(nil) type XrayDialer struct { internet.Dialer } func NewDialer(dialer internet.Dialer) *XrayDialer { return &XrayDialer{dialer} } func (d *XrayDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) { return d.Dialer.Dial(ctx, ToDestination(destination, ToNetwork(network))) } func (d *XrayDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) { return nil, os.ErrInvalid } type XrayOutboundDialer struct { outbound proxy.Outbound dialer internet.Dialer } func NewOutboundDialer(outbound proxy.Outbound, dialer internet.Dialer) *XrayOutboundDialer { return &XrayOutboundDialer{outbound, dialer} } func (d *XrayOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) { outbounds := session.OutboundsFromContext(ctx) if len(outbounds) == 0 { outbounds = []*session.Outbound{{}} ctx = session.ContextWithOutbounds(ctx, outbounds) } ob := outbounds[len(outbounds) - 1] ob.Target = ToDestination(destination, ToNetwork(network)) opts := []pipe.Option{pipe.WithSizeLimit(64 * 1024)} uplinkReader, uplinkWriter := pipe.New(opts...) downlinkReader, downlinkWriter := pipe.New(opts...) conn := cnc.NewConnection(cnc.ConnectionInputMulti(downlinkWriter), cnc.ConnectionOutputMulti(uplinkReader)) go d.outbound.Process(ctx, &transport.Link{Reader: downlinkReader, Writer: uplinkWriter}, d.dialer) return conn, nil } func (d *XrayOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) { return nil, os.ErrInvalid }