mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-26 17:03:02 +00:00
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
package tun
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import (
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sing_common "github.com/sagernet/sing/common"
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sing_buf "github.com/sagernet/sing/common/buf"
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N "github.com/sagernet/sing/common/network"
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"github.com/xtls/xray-core/common/buf"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/singbridge"
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)
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type PacketConn struct {
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N.PacketConn
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}
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func (p *PacketConn) ReadMultiBuffer() (buf.MultiBuffer, error) {
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packet := buf.New()
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packet.Extend(buf.Size)
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sPacket := sing_buf.With(packet.Bytes())
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destination, err := p.ReadPacket(sPacket)
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if err != nil {
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packet.Release()
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return nil, err
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}
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packet.Clear()
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packet.Resize(int32(sPacket.Start()), int32(sPacket.Start()+sPacket.Len()))
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destinationX := singbridge.ToDestination(destination, net.Network_UDP)
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packet.UDP = &destinationX
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return buf.MultiBuffer{packet}, nil
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}
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func (p *PacketConn) WriteMultiBuffer(mb buf.MultiBuffer) error {
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defer buf.ReleaseMulti(mb)
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for _, buffer := range mb {
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destination := sing_common.PtrValueOrDefault(buffer.UDP)
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err := p.PacketConn.WritePacket(sing_buf.As(buffer.Bytes()), singbridge.ToSocksaddr(destination))
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if err != nil {
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return err
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}
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}
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return nil
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}
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