// runFollower runs the follower FSM loop
func (d *MasterDaemon) runFollower() {
router := mux.NewRouter()
router.PathPrefix("/").HandlerFunc(slaveProxyHandler)
// acquire listener mutex
d.listenerMutex.Lock()
defer d.listenerMutex.Unlock()
// start server
server := &http.Server{Handler: router}
server.SetKeepAlivesEnabled(false)
listener, err := net.Listen("tcp", d.ListenURL)
if nil != err {
log.Fatalln(err)
}
listener = utils.ListenWrapper(listener)
// start server
go server.Serve(listener)
// Register netmaster service
d.registerService()
// just wait on stop channel
log.Infof("Listening in follower mode")
<-d.stopFollowerChan
// Close the listener and exit
listener.Close()
log.Info("Exiting follower mode")
}
// runLeader runs leader loop
func (d *daemon) runLeader() {
router := mux.NewRouter()
// acquire listener mutex
d.listenerMutex.Lock()
defer d.listenerMutex.Unlock()
// Create a new api controller
d.apiController = objApi.NewAPIController(router, d.clusterStore)
//Restore state from clusterStore
d.restoreCache()
// Register netmaster service
d.registerService()
// initialize policy manager
mastercfg.InitPolicyMgr(d.stateDriver, d.ofnetMaster)
// setup HTTP routes
d.registerRoutes(router)
// Create HTTP server and listener
server := &http.Server{Handler: router}
server.SetKeepAlivesEnabled(false)
listener, err := net.Listen("tcp", d.listenURL)
if nil != err {
log.Fatalln(err)
}
log.Infof("Netmaster listening on %s", d.listenURL)
listener = utils.ListenWrapper(listener)
// start server
go server.Serve(listener)
// Wait till we are asked to stop
<-d.stopLeaderChan
// Close the listener and exit
listener.Close()
log.Infof("Exiting Leader mode")
}