Add more startup logging

cmd/rqlited/main.go

@@ -297,6 +297,7 @@ func main() {
 	if err := waitForConsensus(str); err != nil {
 		log.Fatalf(err.Error())
 	}
+	log.Println("store has reached consensus")
 
 	// Create cluster service, so nodes can learn information about each other.
 	clstr, err := clusterService(mux.Listen(cluster.MuxClusterHeader))

tcp/mux.go

@@ -254,6 +254,7 @@ func (mux *Mux) Listen(header byte) *Layer {
 	if _, ok := mux.m[header]; ok {
 		panic(fmt.Sprintf("listener already registered under header byte: %d", header))
 	}
+	mux.Logger.Printf("received handler registration request for header %d", header)
 
 	// Create a new listener and assign it.
 	ln := &listener{