clash/adapter/outbound/direct.go

61 lines
1.4 KiB
Go

package outbound
import (
"context"
"net"
"github.com/Dreamacro/clash/component/dialer"
"github.com/Dreamacro/clash/component/resolver"
C "github.com/Dreamacro/clash/constant"
)
type Direct struct {
*Base
}
// DialContext implements C.ProxyAdapter
func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
opts = append(opts, dialer.WithResolver(resolver.DefaultResolver))
c, err := dialer.DialContext(ctx, "tcp", metadata.RemoteAddress(), d.Base.DialOptions(opts...)...)
if err != nil {
return nil, err
}
tcpKeepAlive(c)
return NewConn(c, d), nil
}
// ListenPacketContext implements C.ProxyAdapter
func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
opts = append(opts, dialer.WithResolver(resolver.DefaultResolver))
pc, err := dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", metadata.DstIP), "", d.Base.DialOptions(opts...)...)
if err != nil {
return nil, err
}
return newPacketConn(&directPacketConn{pc}, d), nil
}
type directPacketConn struct {
net.PacketConn
}
func NewDirect() *Direct {
return &Direct{
Base: &Base{
name: "DIRECT",
tp: C.Direct,
udp: true,
prefer: C.DualStack,
},
}
}
func NewCompatible() *Direct {
return &Direct{
Base: &Base{
name: "COMPATIBLE",
tp: C.Compatible,
udp: true,
prefer: C.DualStack,
},
}
}