Add: selector and proxys & rules router

constant/adapters.go

@@ -5,6 +5,15 @@ import (
 	"net"
 )
 
+// Adapter Type
+const (
+	Direct AdapterType = iota
+	Reject
+	Selector
+	Shadowsocks
+	URLTest
+)
+
 type ProxyAdapter interface {
 	ReadWriter() io.ReadWriter
 	Conn() net.Conn
@@ -19,5 +28,26 @@ type ServerAdapter interface {
 
 type Proxy interface {
 	Name() string
+	Type() AdapterType
 	Generator(addr *Addr) (ProxyAdapter, error)
 }
+
+// AdapterType is enum of adapter type
+type AdapterType int
+
+func (at AdapterType) String() string {
+	switch at {
+	case Direct:
+		return "Direct"
+	case Reject:
+		return "Reject"
+	case Selector:
+		return "Selector"
+	case Shadowsocks:
+		return "Shadowsocks"
+	case URLTest:
+		return "URLTest"
+	default:
+		return "Unknow"
+	}
+}