Bump version, add RTT to StatsZ

Signed-off-by: Derek Collison <derek@nats.io>

server/const.go

@@ -40,7 +40,7 @@ var (
 
 const (
 	// VERSION is the current version for the server.
-	VERSION = "2.0.0-alpha"
+	VERSION = "2.0.0-beta.1"
 
 	// PROTO is the currently supported protocol.
 	// 0 was the original

server/events.go

@@ -115,6 +115,7 @@ type ClientInfo struct {
 	Name    string     `json:"name,omitempty"`
 	Lang    string     `json:"lang,omitempty"`
 	Version string     `json:"ver,omitempty"`
+	RTT     string     `json:"rtt,omitempty"`
 	Stop    *time.Time `json:"stop,omitempty"`
 }
 
@@ -187,10 +188,7 @@ func (s *Server) internalSendLoop(wg *sync.WaitGroup) {
 	seqp := &s.sys.seq
 	var cluster string
 	if s.gateway.enabled {
-		gw := s.gateway
-		gw.RLock()
-		cluster = gw.name
-		gw.RUnlock()
+		cluster = s.getGatewayName()
 	}
 	s.mu.Unlock()
 
@@ -728,6 +726,7 @@ func (s *Server) accountDisconnectEvent(c *client, now time.Time, reason string)
 			Name:    c.opts.Name,
 			Lang:    c.opts.Lang,
 			Version: c.opts.Version,
+			RTT:     c.getRTT(),
 		},
 		Sent: DataStats{
 			Msgs:  c.inMsgs,