From 43dbf9870500399dd7d45015b01a0ed2e25672f0 Mon Sep 17 00:00:00 2001 From: Zack Scholl Date: Fri, 14 Dec 2018 06:32:44 -0800 Subject: [PATCH] rotate multicast based on current time --- src/croc/sending.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/croc/sending.go b/src/croc/sending.go index 3cda7eb..250de26 100644 --- a/src/croc/sending.go +++ b/src/croc/sending.go @@ -54,7 +54,7 @@ func (c *Croc) Send(fname, codephrase string) (err error) { TimeLimit: 600 * time.Second, Delay: 50 * time.Millisecond, Payload: []byte(c.RelayWebsocketPort + "- " + strings.Join(c.RelayTCPPorts, ",")), - MulticastAddress: "239.255.255.252", + MulticastAddress: fmt.Sprintf("239.255.255.%d", 230+int64(time.Now().Minute()/5)), }) log.Debug(discovered, err) }() @@ -91,7 +91,7 @@ func (c *Croc) Receive(codephrase string) (err error) { Payload: []byte("checking"), AllowSelf: true, DisableBroadcast: true, - MulticastAddress: "239.255.255.252", + MulticastAddress: fmt.Sprintf("239.255.255.%d", 230+int64(time.Now().Minute()/5)), }) log.Debug("finished") log.Debug(discovered)