examples: call NewStream from only one side (#2677)

* refactor: call NewStream from only one side * Update examples/chat-with-mdns/main.go Co-authored-by: Sukun <[email protected]> * Update examples/chat-with-mdns/main.go Co-authored-by: Sukun <[email protected]> --------- Co-authored-by: Sukun <[email protected]>
libp2p · Dec 29, 2023 · 43be145 · 43be145
1 parent 317c9ff
commit 43be145
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/examples/chat-with-mdns/main.go b/examples/chat-with-mdns/main.go
@@ -116,6 +116,11 @@ func main() {
 	peerChan := initMDNS(host, cfg.RendezvousString)
 	for { // allows multiple peers to join
 		peer := <-peerChan // will block until we discover a peer
+		if peer.ID > host.ID() {
+			// if other end peer id greater than us, don't connect to it, just wait for it to connect us
+			fmt.Println("Found peer:", peer, " id is greater than us, wait for it to connect to us")
+			continue
+		}
 		fmt.Println("Found peer:", peer, ", connecting")
 
 		if err := host.Connect(ctx, peer); err != nil {