add delay in initial relay advertisement to allow the dht time to bootstrap

p2p/host/relay/autorelay_test.go

@@ -26,9 +26,10 @@ import (
 
 // test specific parameters
 func init() {
-	autonat.AutoNATIdentifyDelay = 100 * time.Millisecond
+	autonat.AutoNATIdentifyDelay = 500 * time.Millisecond
 	autonat.AutoNATBootDelay = 1 * time.Second
 	relay.BootDelay = 1 * time.Second
+	relay.AdvertiseBootDelay = 1 * time.Millisecond
 	manet.Private4 = []*net.IPNet{}
 }
 

p2p/host/relay/relay.go

@@ -2,6 +2,7 @@ package relay
 
 import (
 	"context"
+	"time"
 
 	basic "github.com/libp2p/go-libp2p/p2p/host/basic"
 
@@ -10,6 +11,10 @@ import (
 	ma "github.com/multiformats/go-multiaddr"
 )
 
+var (
+	AdvertiseBootDelay = 5 * time.Second
+)
+
 // RelayHost is a Host that provides Relay services.
 type RelayHost struct {
 	*basic.BasicHost
@@ -25,7 +30,10 @@ func NewRelayHost(ctx context.Context, bhost *basic.BasicHost, advertise discove
 		advertise: advertise,
 	}
 	bhost.AddrsFactory = h.hostAddrs
-	discovery.Advertise(ctx, advertise, RelayRendezvous)
+	go func() {
+		time.Sleep(AdvertiseBootDelay)
+		discovery.Advertise(ctx, advertise, RelayRendezvous)
+	}()
 	return h
 }