Eliminate the GossipSender Start method

router/gossip.go

@@ -44,12 +44,11 @@ type GossipSender struct {
 }
 
 func NewGossipSender(send func(GossipData)) *GossipSender {
-	return &GossipSender{send: send}
-}
-
-func (sender *GossipSender) Start() {
-	sender.cell = make(chan GossipData, 1)
+	sender := &GossipSender{
+		send: send,
+		cell: make(chan GossipData, 1)}
 	go sender.run()
+	return sender
 }
 
 func (sender *GossipSender) run() {
@@ -239,7 +238,6 @@ func (c *GossipChannel) sendDown(conn Connection, data GossipData) {
 			conn.(ProtocolSender).SendProtocolMsg(protocolMsg)
 		})
 		c.senders[conn] = sender
-		sender.Start()
 	}
 	sender.Send(data)
 }
@@ -290,7 +288,6 @@ func (c *GossipChannel) relayBroadcast(srcName PeerName, update GossipData) erro
 	if !found {
 		broadcaster = NewGossipSender(func(pending GossipData) { c.sendBroadcast(srcName, pending) })
 		c.broadcasters[srcName] = broadcaster
-		broadcaster.Start()
 	}
 	broadcaster.Send(update)
 	return nil