Files
ice/mdns.go
2019-06-21 20:22:21 +08:00

33 lines
893 B
Go

package ice
import (
"crypto/rand"
"fmt"
)
// MulticastDNSMode represents the different Multicast modes ICE can run in
type MulticastDNSMode byte
// MulticastDNSMode enum
const (
// MulticastDNSModeDisabled means remote mDNS candidates will be discarded, and local host candidates will use IPs
MulticastDNSModeDisabled MulticastDNSMode = iota + 1
// MulticastDNSModeQueryOnly means remote mDNS candidates will be accepted, and local host candidates will use IPs
MulticastDNSModeQueryOnly
// MulticastDNSModeQueryAndGather means remote mDNS candidates will be accepted, and local host candidates will use mDNS
MulticastDNSModeQueryAndGather
)
func generateMulticastDNSName() (string, error) {
b := make([]byte, 16)
_, err := rand.Read(b) //nolint
if err != nil {
return "", err
}
return fmt.Sprintf("%X-%X-%X-%X-%X.local", b[0:4], b[4:6], b[6:8], b[8:10], b[10:]), nil
}