refactor: tweak GossipChannel API

mesh/gossip.go

@@ -133,7 +133,7 @@ func (router *Router) gossipChannelSet() map[*GossipChannel]struct{} {
 func (router *Router) SendAllGossip() {
 	for channel := range router.gossipChannelSet() {
 		if gossip := channel.gossiper.Gossip(); gossip != nil {
-			channel.Send(router.Ourself.Name, gossip)
+			channel.Send(gossip)
 		}
 	}
 }

mesh/gossip_channel.go

@@ -94,7 +94,7 @@ func (c *GossipChannel) deliver(srcName PeerName, _ []byte, dec *gob.Decoder) er
 	if err != nil || update == nil {
 		return err
 	}
-	c.Send(srcName, update)
+	c.relay(srcName, update)
 	return nil
 }
 
@@ -165,7 +165,7 @@ func (c *GossipChannel) sendBroadcast(srcName PeerName, update GossipData) {
 	}
 }
 
-func (c *GossipChannel) Send(srcName PeerName, data GossipData) {
+func (c *GossipChannel) relay(srcName PeerName, data GossipData) {
 	c.routes.EnsureRecalculated()
 	destinations := c.routes.RandomNeighbours(srcName)
 	if len(destinations) == 0 {
@@ -174,6 +174,15 @@ func (c *GossipChannel) Send(srcName PeerName, data GossipData) {
 	c.sendDown(c.ourself.ConnectionsTo(destinations), data)
 }
 
+func (c *GossipChannel) Send(data GossipData) {
+	c.routes.EnsureRecalculated()
+	destinations := c.routes.RandomNeighbours(c.ourself.Name)
+	if len(destinations) == 0 {
+		return
+	}
+	c.sendDown(c.ourself.ConnectionsTo(destinations), data)
+}
+
 func (c *GossipChannel) SendDown(conn Connection, data GossipData) {
 	c.sendDown([]Connection{conn}, data)
 }