93 lines
2.1 KiB
Go
93 lines
2.1 KiB
Go
package inbound
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import (
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"fmt"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/listener/tunnel"
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"github.com/Dreamacro/clash/log"
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)
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type TunnelOption struct {
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BaseOption
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Network []string `inbound:"network"`
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Target string `inbound:"target"`
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Proxy string `inbound:"proxy,omitempty"`
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}
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func (o TunnelOption) Equal(config C.InboundConfig) bool {
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return optionToString(o) == optionToString(config)
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}
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type Tunnel struct {
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*Base
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config *TunnelOption
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ttl *tunnel.Listener
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tul *tunnel.PacketConn
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}
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func NewTunnel(options *TunnelOption) (*Tunnel, error) {
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base, err := NewBase(&options.BaseOption)
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if err != nil {
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return nil, err
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}
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return &Tunnel{
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Base: base,
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config: options,
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}, nil
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}
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// Config implements constant.InboundListener
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func (t *Tunnel) Config() C.InboundConfig {
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return t.config
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}
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// Close implements constant.InboundListener
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func (t *Tunnel) Close() error {
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var err error
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if t.ttl != nil {
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if tcpErr := t.ttl.Close(); tcpErr != nil {
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err = tcpErr
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}
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}
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if t.tul != nil {
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if udpErr := t.tul.Close(); udpErr != nil {
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if err == nil {
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err = udpErr
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} else {
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return fmt.Errorf("close tcp err: %s, close udp err: %s", err.Error(), udpErr.Error())
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}
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}
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}
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return err
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}
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// Address implements constant.InboundListener
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func (t *Tunnel) Address() string {
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return t.ttl.Address()
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}
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// Listen implements constant.InboundListener
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func (t *Tunnel) Listen(tcpIn chan<- C.ConnContext, udpIn chan<- C.PacketAdapter) error {
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var err error
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for _, network := range t.config.Network {
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switch network {
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case "tcp":
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if t.ttl, err = tunnel.New(t.RawAddress(), t.config.Target, t.config.Proxy, tcpIn, t.Additions()...); err != nil {
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return err
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}
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case "udp":
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if t.tul, err = tunnel.NewUDP(t.RawAddress(), t.config.Target, t.config.Proxy, udpIn, t.Additions()...); err != nil {
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return err
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}
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default:
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log.Warnln("unknown network type: %s, passed", network)
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continue
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}
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log.Infoln("Tunnel[%s](%s/%s)proxy listening at: %s", t.Name(), network, t.config.Target, t.Address())
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}
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return nil
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}
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var _ C.InboundListener = (*Tunnel)(nil)
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