func RegisterCacheInvalidator() {
if CacheInvalidationProcessor != nil {
return
}
CacheInvalidationProcessor = NewInvalidationProcessor()
CacheInvalidationProcessor.states = estats.NewStates("", []string{
"Disabled",
"Enabled",
}, time.Now(), DISABLED)
expvar.Publish("CacheInvalidationProcessor", estats.StrFunc(func() string { return CacheInvalidationProcessor.statsJSON() }))
}
func RegisterUpdateStreamService(mycnf *Mycnf) {
if UpdateStreamRpcService != nil {
//relog.Warning("Update Stream service already initialized")
return
}
UpdateStreamRpcService = &UpdateStream{mycnf: mycnf}
UpdateStreamRpcService.states = estats.NewStates("", []string{
"Disabled",
"Enabled",
}, time.Now(), DISABLED)
rpcwrap.RegisterAuthenticated(UpdateStreamRpcService)
expvar.Publish("UpdateStreamRpcService", estats.StrFunc(func() string { return UpdateStreamRpcService.statsJSON() }))
}
func NewSqlQuery(config Config) *SqlQuery {
sq := &SqlQuery{}
sq.qe = NewQueryEngine(config)
sq.states = stats.NewStates("", []string{
stateName[NOT_SERVING],
stateName[CLOSED],
stateName[CONNECTING],
stateName[ABORT],
stateName[INITIALIZING],
stateName[OPEN],
stateName[SHUTTING_DOWN],
}, time.Now(), NOT_SERVING)
expvar.Publish("Voltron", stats.StrFunc(func() string { return sq.statsJSON() }))
return sq
}
func NewZkReader(resolveLocal bool, preload []string) *ZkReader {
zkr := &ZkReader{zcell: make(map[string]*zkCell), resolveLocal: resolveLocal}
if resolveLocal {
zkr.localCell = zk.GuessLocalCell()
}
// register to expvar
expvar.Publish("ZkReader", stats.StrFunc(func() string { return zkr.statsJSON() }))
// start some cells
for _, cellName := range preload {
_, path, err := zkr.getCell("/zk/" + cellName)
if err != nil {
relog.Error("Cell " + cellName + " could not be preloaded: " + err.Error())
} else {
relog.Info("Cell " + cellName + " preloaded for: " + path)
}
}
return zkr
}