mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-11-05 11:24:00 +00:00
129 lines
2.3 KiB
Go
129 lines
2.3 KiB
Go
package constant
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net"
|
|
"time"
|
|
)
|
|
|
|
// Adapter Type
|
|
const (
|
|
Direct AdapterType = iota
|
|
Fallback
|
|
Reject
|
|
Selector
|
|
Shadowsocks
|
|
Snell
|
|
Socks5
|
|
Http
|
|
URLTest
|
|
Vmess
|
|
LoadBalance
|
|
)
|
|
|
|
type ServerAdapter interface {
|
|
net.Conn
|
|
Metadata() *Metadata
|
|
}
|
|
|
|
type Connection interface {
|
|
Chains() Chain
|
|
AppendToChains(adapter ProxyAdapter)
|
|
}
|
|
|
|
type Chain []string
|
|
|
|
func (c Chain) String() string {
|
|
switch len(c) {
|
|
case 0:
|
|
return ""
|
|
case 1:
|
|
return c[0]
|
|
default:
|
|
return fmt.Sprintf("%s[%s]", c[len(c)-1], c[0])
|
|
}
|
|
}
|
|
|
|
type Conn interface {
|
|
net.Conn
|
|
Connection
|
|
}
|
|
|
|
type PacketConn interface {
|
|
net.PacketConn
|
|
Connection
|
|
}
|
|
|
|
type ProxyAdapter interface {
|
|
Name() string
|
|
Type() AdapterType
|
|
DialContext(ctx context.Context, metadata *Metadata) (Conn, error)
|
|
DialUDP(metadata *Metadata) (PacketConn, error)
|
|
SupportUDP() bool
|
|
MarshalJSON() ([]byte, error)
|
|
}
|
|
|
|
type DelayHistory struct {
|
|
Time time.Time `json:"time"`
|
|
Delay uint16 `json:"delay"`
|
|
}
|
|
|
|
type Proxy interface {
|
|
ProxyAdapter
|
|
Alive() bool
|
|
DelayHistory() []DelayHistory
|
|
Dial(metadata *Metadata) (Conn, error)
|
|
LastDelay() uint16
|
|
URLTest(ctx context.Context, url string) (uint16, error)
|
|
}
|
|
|
|
// AdapterType is enum of adapter type
|
|
type AdapterType int
|
|
|
|
func (at AdapterType) String() string {
|
|
switch at {
|
|
case Direct:
|
|
return "Direct"
|
|
case Fallback:
|
|
return "Fallback"
|
|
case Reject:
|
|
return "Reject"
|
|
case Selector:
|
|
return "Selector"
|
|
case Shadowsocks:
|
|
return "Shadowsocks"
|
|
case Snell:
|
|
return "Snell"
|
|
case Socks5:
|
|
return "Socks5"
|
|
case Http:
|
|
return "Http"
|
|
case URLTest:
|
|
return "URLTest"
|
|
case Vmess:
|
|
return "Vmess"
|
|
case LoadBalance:
|
|
return "LoadBalance"
|
|
default:
|
|
return "Unknown"
|
|
}
|
|
}
|
|
|
|
// UDPPacket contains the data of UDP packet, and offers control/info of UDP packet's source
|
|
type UDPPacket interface {
|
|
// Data get the payload of UDP Packet
|
|
Data() []byte
|
|
|
|
// WriteBack writes the payload with source IP/Port equals addr
|
|
// - variable source IP/Port is important to STUN
|
|
// - if addr is not provided, WriteBack will wirte out UDP packet with SourceIP/Prot equals to origional Target,
|
|
// this is important when using Fake-IP.
|
|
WriteBack(b []byte, addr net.Addr) (n int, err error)
|
|
|
|
// Close closes the underlaying connection.
|
|
Close() error
|
|
|
|
// LocalAddr returns the source IP/Port of packet
|
|
LocalAddr() net.Addr
|
|
}
|