feat(messagequeue): Send changes on startup

If wantlist changes are present, send them immediately on startup, rather than as a seperate message

messagequeue/messagequeue.go

@@ -77,7 +77,7 @@ func (mq *MessageQueue) AddMessage(entries []*bsmsg.Entry, ses uint64) {
 
 // Startup starts the processing of messages, and creates an initial message
 // based on the given initial wantlist.
-func (mq *MessageQueue) Startup(ctx context.Context, initialEntries []*wantlist.Entry) {
+func (mq *MessageQueue) Startup(ctx context.Context, initialEntries []*wantlist.Entry, entries []*bsmsg.Entry, ses uint64) {
 
 	// new peer, we will want to give them our full wantlist
 	if len(initialEntries) > 0 {
@@ -89,8 +89,16 @@ func (mq *MessageQueue) Startup(ctx context.Context, initialEntries []*wantlist.
 			fullwantlist.AddEntry(e.Cid, e.Priority)
 		}
 		mq.out = fullwantlist
-		mq.work <- struct{}{}
 	}
+
+	if len(initialEntries) > 0 || mq.addEntries(entries, ses) {
+		select {
+		case <-ctx.Done():
+			return
+		case mq.work <- struct{}{}:
+		}
+	}
+
 	go mq.runQueue(ctx)
 
 }

messagequeue/messagequeue_test.go

@@ -25,9 +25,9 @@ func (fmn *fakeMessageNetwork) ConnectTo(context.Context, peer.ID) error {
 func (fmn *fakeMessageNetwork) NewMessageSender(context.Context, peer.ID) (bsnet.MessageSender, error) {
 	if fmn.messageSenderError == nil {
 		return fmn.messageSender, nil
-	} else {
-		return nil, fmn.messageSenderError
 	}
+	return nil, fmn.messageSenderError
+
 }
 
 type fakeMessageSender struct {
@@ -81,7 +81,7 @@ func TestStartupAndShutdown(t *testing.T) {
 	ses := testutil.GenerateSessionID()
 	wl := testutil.GenerateWantlist(10, ses)
 
-	messageQueue.Startup(ctx, wl.Entries())
+	messageQueue.Startup(ctx, wl.Entries(), nil, 0)
 
 	messages := collectMessages(ctx, t, messagesSent, 10*time.Millisecond)
 	if len(messages) != 1 {
@@ -123,9 +123,8 @@ func TestSendingMessagesDeduped(t *testing.T) {
 	ses1 := testutil.GenerateSessionID()
 	ses2 := testutil.GenerateSessionID()
 	entries := testutil.GenerateMessageEntries(10, false)
-	messageQueue.Startup(ctx, nil)
+	messageQueue.Startup(ctx, nil, entries, ses1)
 
-	messageQueue.AddMessage(entries, ses1)
 	messageQueue.AddMessage(entries, ses2)
 	messages := collectMessages(ctx, t, messagesSent, 10*time.Millisecond)
 
@@ -148,9 +147,8 @@ func TestSendingMessagesPartialDupe(t *testing.T) {
 	entries := testutil.GenerateMessageEntries(10, false)
 	moreEntries := testutil.GenerateMessageEntries(5, false)
 	secondEntries := append(entries[5:], moreEntries...)
-	messageQueue.Startup(ctx, nil)
+	messageQueue.Startup(ctx, nil, entries, ses1)
 
-	messageQueue.AddMessage(entries, ses1)
 	messageQueue.AddMessage(secondEntries, ses2)
 	messages := collectMessages(ctx, t, messagesSent, 20*time.Millisecond)
 

peermanager/peermanager.go

@@ -22,7 +22,7 @@ type PeerQueue interface {
 	RefIncrement()
 	RefDecrement() bool
 	AddMessage(entries []*bsmsg.Entry, ses uint64)
-	Startup(ctx context.Context, initialEntries []*wantlist.Entry)
+	Startup(ctx context.Context, initialEntries []*wantlist.Entry, entries []*bsmsg.Entry, ses uint64)
 	Shutdown()
 }
 
@@ -77,7 +77,7 @@ func (pm *PeerManager) Connected(p peer.ID, initialEntries []*wantlist.Entry) {
 
 	mq = pm.createPeerQueue(p)
 	pm.peerQueues[p] = mq
-	mq.Startup(pm.ctx, initialEntries)
+	mq.Startup(pm.ctx, initialEntries, nil, 0)
 }
 
 // Disconnected is called to remove a peer from the pool.
@@ -115,12 +115,13 @@ func (pm *PeerManager) SendMessage(initialEntries []*wantlist.Entry, entries []*
 			if !ok {
 				p = pm.createPeerQueue(t)
 				pm.peerQueues[t] = p
-				p.Startup(pm.ctx, initialEntries)
+				p.Startup(pm.ctx, initialEntries, entries, from)
 				// this is a "0 reference" queue because we haven't actually connected to it
 				// sending the first message will cause it to connect
 				p.RefDecrement()
-			}
+			} else {
 				p.AddMessage(entries, from)
 			}
 		}
+	}
 }

peermanager/peermanager_test.go

@@ -25,7 +25,11 @@ type fakePeer struct {
 	messagesSent chan messageSent
 }
 
-func (fp *fakePeer) Startup(ctx context.Context, initialEntries []*wantlist.Entry) {}
+func (fp *fakePeer) Startup(ctx context.Context, initialEntries []*wantlist.Entry, entries []*bsmsg.Entry, ses uint64) {
+	if entries != nil {
+		fp.AddMessage(entries, ses)
+	}
+}
 func (fp *fakePeer) Shutdown()     {}
 func (fp *fakePeer) RefIncrement() { fp.refcnt++ }
 func (fp *fakePeer) RefDecrement() bool {