chore: adjust sniffer constant

constant/sniffer/sniffer.go

@@ -0,0 +1,31 @@
+package sniffer
+
+import "github.com/Dreamacro/clash/constant"
+
+type Sniffer interface {
+	SupportNetwork() constant.NetWork
+	SniffTCP(bytes []byte) (string, error)
+	Protocol() string
+}
+
+const (
+	TLS Type = iota
+	HTTP
+)
+
+var (
+	List = []Type{TLS, HTTP}
+)
+
+type Type int
+
+func (rt Type) String() string {
+	switch rt {
+	case TLS:
+		return "TLS"
+	case HTTP:
+		return "HTTP"
+	default:
+		return "Unknown"
+	}
+}