quorum

Documentation

Index

• Constants
• Variables
• func AlwaysMaster()
• func BecomeMaster(uri string, db string) error
• func IsMaster() bool
• func UseElectionObjectId(electionId bson.ObjectId)
• type ElectionEntry

Constants

const (
	HeartBeatPeriodInSeconds  = 5
	HeartBeatTimeoutInSeconds = HeartBeatPeriodInSeconds * 3
	HeartBeatPeriod           = time.Second * HeartBeatPeriodInSeconds
)

const (
	PromoteMaster = 0
	DescendMaster = 1
)

const (
	STATUS_LOOKASIDE int = iota
	STATUS_COMPETE_MASTER
	STATUS_MASTER
	STATUS_FOLLOW
	STATUS_SESSION_CLOSE
)

const (
	QUORUM_COLLECTION string = "election"
)

Variables

var MasterPromotionNotifier chan bool

become or lost master status notifier

Functions

func AlwaysMaster

func AlwaysMaster()

func BecomeMaster

func BecomeMaster(uri string, db string) error

func IsMaster

func IsMaster() bool

func UseElectionObjectId

func UseElectionObjectId(electionId bson.ObjectId)

Types

type ElectionEntry

type ElectionEntry struct {
	ObjectId  bson.ObjectId `bson:"_id"`
	PID       int           `bson:"pid"`
	Host      string        `bson:"host"`
	Heartbeat int64         `bson:"heartbeat"`
}