mihomo/adapter/outbound/base.go
2021-10-15 21:44:53 +08:00

101 lines
2 KiB
Go

package outbound
import (
"context"
"encoding/json"
"errors"
"net"
C "github.com/Dreamacro/clash/constant"
)
type Base struct {
name string
addr string
tp C.AdapterType
udp bool
}
// Name implements C.ProxyAdapter
func (b *Base) Name() string {
return b.name
}
// Type implements C.ProxyAdapter
func (b *Base) Type() C.AdapterType {
return b.tp
}
// StreamConn implements C.ProxyAdapter
func (b *Base) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
return c, errors.New("no support")
}
// ListenPacketContext implements C.ProxyAdapter
func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
return nil, errors.New("no support")
}
// SupportUDP implements C.ProxyAdapter
func (b *Base) SupportUDP() bool {
return b.udp
}
// MarshalJSON implements C.ProxyAdapter
func (b *Base) MarshalJSON() ([]byte, error) {
return json.Marshal(map[string]string{
"type": b.Type().String(),
})
}
// Addr implements C.ProxyAdapter
func (b *Base) Addr() string {
return b.addr
}
// Unwrap implements C.ProxyAdapter
func (b *Base) Unwrap(metadata *C.Metadata) C.Proxy {
return nil
}
func NewBase(name string, addr string, tp C.AdapterType, udp bool) *Base {
return &Base{name, addr, tp, udp}
}
type conn struct {
net.Conn
chain C.Chain
}
// Chains implements C.Connection
func (c *conn) Chains() C.Chain {
return c.chain
}
// AppendToChains implements C.Connection
func (c *conn) AppendToChains(a C.ProxyAdapter) {
c.chain = append(c.chain, a.Name())
}
func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
return &conn{c, []string{a.Name()}}
}
type packetConn struct {
net.PacketConn
chain C.Chain
}
// Chains implements C.Connection
func (c *packetConn) Chains() C.Chain {
return c.chain
}
// AppendToChains implements C.Connection
func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
c.chain = append(c.chain, a.Name())
}
func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
return &packetConn{pc, []string{a.Name()}}
}