parallel identify push

p2p/protocol/identify/id.go

@@ -149,15 +149,17 @@ func (ids *IDService) pushHandler(s inet.Stream) {
 
 func (ids *IDService) Push() {
 	for _, p := range ids.Host.Network().Peers() {
+		go func(p peer.ID) {
 			ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+			defer cancel()
 			s, err := ids.Host.NewStream(ctx, p, IDPush)
-		cancel()
 			if err != nil {
 				log.Debugf("error opening push stream: %s", err.Error())
-			continue
+				return
 			}
 
 			ids.requestHandler(s)
+		}(p)
 	}
 }