make tun config compatible with premium

constant/metadata.go

@@ -2,6 +2,7 @@ package constant
 
 import (
 	"encoding/json"
+	"fmt"
 	"net"
 	"strconv"
 )
@@ -89,6 +90,14 @@ func (m *Metadata) SourceAddress() string {
 	return net.JoinHostPort(m.SrcIP.String(), m.SrcPort)
 }
 
+func (m *Metadata) SourceDetail() string {
+	if m.Process != "" {
+		return fmt.Sprintf("%s(%s)", m.SourceAddress(), m.Process)
+	} else {
+		return fmt.Sprintf("%s", m.SourceAddress())
+	}
+}
+
 func (m *Metadata) Resolved() bool {
 	return m.DstIP != nil
 }