/* Return true */ func ReadElectionMsg(id int, msg multicaster.ElectionMsg, caster multicaster.Multicaster, m map[int]int, masterId *int) bool { fmt.Println("Read Message") if value, ok := msg.MasterSelectSet[id]; ok { if value == true { fmt.Println("Election finished") return true // Everyone knew who the master is, stop election. } else { msg.MasterSelectSet[id] = true if msg.NewMasterId == -1 { for key, _ := range msg.MasterSelectSet { if msg.NewMasterId < key { msg.NewMasterId = key } } } *masterId = msg.NewMasterId caster.SendElectionMessage(strconv.Itoa(m[id]), msg) return true } } else { // First round election msg.MasterSelectSet[id] = false caster.SendElectionMessage(strconv.Itoa(m[id]), msg) } return false }
/* If the slave is qalified to raise an election, call this function This function will initiallize the election message, and pass through the ring */ func RaiseElection(id int, caster multicaster.Multicaster, m map[int]int) { msg := multicaster.ElectionMsg{} msg.MasterSelectSet = make(map[int]bool) msg.NewMasterId = -1 msg.MasterSelectSet[id] = false // TODO: pass message to the next element in the link caster.SendElectionMessage(strconv.Itoa(m[id]), msg) for key, value := range m { fmt.Println("key: " + strconv.Itoa(key) + ", value: " + strconv.Itoa(value)) } //fmt.Println("Message sent to: " + strconv.Itoa(m[id])) }