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consul: type safe event handlers

This commit is contained in:
Armon Dadgar 2013-12-09 15:29:44 -08:00
parent 15a1cf589b
commit c4a4b9df34
1 changed files with 62 additions and 2 deletions
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64
consul/serf.go
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@ -1,11 +1,27 @@
package consul
import (
"github.com/hashicorp/serf/serf"
)
// lanEventHandler is used to handle events from the lan Serf cluster
func (s *Server) lanEventHandler() {
for {
select {
case e := <-s.eventChLAN:
s.logger.Printf("[INFO] LAN Event: %v", e)
switch e.EventType() {
case serf.EventMemberJoin:
s.localJoin(e.(serf.MemberEvent))
case serf.EventMemberLeave:
s.localLeave(e.(serf.MemberEvent))
case serf.EventMemberFailed:
s.localFailed(e.(serf.MemberEvent))
case serf.EventUser:
s.localEvent(e.(serf.UserEvent))
default:
s.logger.Printf("[WARN] Unhandled LAN Serf Event: %#v", e)
}
case <-s.shutdownCh:
return
}
@ -17,9 +33,53 @@ func (s *Server) wanEventHandler() {
for {
select {
case e := <-s.eventChWAN:
s.logger.Printf("[INFO] WAN Event: %v", e)
switch e.EventType() {
case serf.EventMemberJoin:
s.remoteJoin(e.(serf.MemberEvent))
case serf.EventMemberLeave:
s.remoteLeave(e.(serf.MemberEvent))
case serf.EventMemberFailed:
s.remoteFailed(e.(serf.MemberEvent))
case serf.EventUser:
s.remoteEvent(e.(serf.UserEvent))
default:
s.logger.Printf("[WARN] Unhandled LAN Serf Event: %#v", e)
}
case <-s.shutdownCh:
return
}
}
}
// localJoin is used to handle join events on the lan serf cluster
func (s *Server) localJoin(me serf.MemberEvent) {
}
// localLeave is used to handle leave events on the lan serf cluster
func (s *Server) localLeave(me serf.MemberEvent) {
}
// localFailed is used to handle fail events on the lan serf cluster
func (s *Server) localFailed(me serf.MemberEvent) {
}
// localEvent is used to handle events on the lan serf cluster
func (s *Server) localEvent(ue serf.UserEvent) {
}
// remoteJoin is used to handle join events on the wan serf cluster
func (s *Server) remoteJoin(me serf.MemberEvent) {
}
// remoteLeave is used to handle leave events on the wan serf cluster
func (s *Server) remoteLeave(me serf.MemberEvent) {
}
// remoteFailed is used to handle fail events on the wan serf cluster
func (s *Server) remoteFailed(me serf.MemberEvent) {
}
// remoteEvent is used to handle events on the wan serf cluster
func (s *Server) remoteEvent(ue serf.UserEvent) {
}