clash/adapters/outbound/direct.go
2019-12-08 12:17:24 +08:00

49 lines
941 B
Go

package outbound
import (
"context"
"net"
C "github.com/Dreamacro/clash/constant"
)
type Direct struct {
*Base
}
func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
address := net.JoinHostPort(metadata.Host, metadata.DstPort)
if metadata.DstIP != nil {
address = net.JoinHostPort(metadata.DstIP.String(), metadata.DstPort)
}
c, err := dialContext(ctx, "tcp", address)
if err != nil {
return nil, err
}
tcpKeepAlive(c)
return newConn(c, d), nil
}
func (d *Direct) DialUDP(metadata *C.Metadata) (C.PacketConn, net.Addr, error) {
pc, err := net.ListenPacket("udp", "")
if err != nil {
return nil, nil, err
}
addr, err := resolveUDPAddr("udp", metadata.RemoteAddress())
if err != nil {
return nil, nil, err
}
return newPacketConn(pc, d), addr, nil
}
func NewDirect() *Direct {
return &Direct{
Base: &Base{
name: "DIRECT",
tp: C.Direct,
udp: true,
},
}
}