Xray-core/common/singbridge/handler.go

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2023-04-23 11:31:41 +00:00
package singbridge
import (
"context"
"io"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/features/routing"
"github.com/xtls/xray-core/transport"
)
var (
_ N.TCPConnectionHandler = (*Dispatcher)(nil)
_ N.UDPConnectionHandler = (*Dispatcher)(nil)
)
type Dispatcher struct {
upstream routing.Dispatcher
newErrorFunc func(values ...any) *errors.Error
}
func NewDispatcher(dispatcher routing.Dispatcher, newErrorFunc func(values ...any) *errors.Error) *Dispatcher {
return &Dispatcher{
upstream: dispatcher,
newErrorFunc: newErrorFunc,
}
}
func (d *Dispatcher) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
xConn := NewConn(conn)
return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_TCP), &transport.Link{
Reader: xConn,
Writer: xConn,
})
}
func (d *Dispatcher) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_UDP), &transport.Link{
Reader: buf.NewPacketReader(conn.(io.Reader)),
Writer: buf.NewWriter(conn.(io.Writer)),
})
}
func (d *Dispatcher) NewError(ctx context.Context, err error) {
errors.LogInfo(ctx, err.Error())
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}