globalstate

type ButtonStatusUpdate struct {
	Floor      uint
	Dir        string
	Status     string
	AssignedTo string
}

type Config struct {
	// Port for raft RCP communication. The port above will also be binded, and is used for user-initiated communication over HTTP.
	RaftPort int

	// If supplied the raft will attempt to connect to any cluster the supplied peer is connected to.
	// If left blank the FSM instantiate a brand new raft and elect itself leader.
	InitalPeer string

	// OwnIP may be manually be set. If not supplied it will be inferred by the package if needed.
	OwnIP string

	// Number of floors on the lifts in the cluster. Only used for calculating timeouts.
	Floors int

	// Called once whenever the node win or loose the raft-leadership.
	OnPromotion func()
	OnDemotion  func()

	// Called once whenever the two leader elections in a row fail to elect a leader.
	OnAquiredConsensus func()

	// Called once whenever the consensus is regained and a leader is elected.
	OnLostConsensus func()

	// Called once whenever the leader have assigned an order to the node.
	OnIncomingCommand func(floor int, dir string)

	// Used by the leader to assign orders.
	CostFunction func(s State, floor int, dir string) string

	Logger *log.Logger

	// Raft may produce a considerable amount of logging, especially whenever a node
	// fail to respond. Logging from the globalstate package itself is still active.
	DisableRaftLogging bool
}

type FSM struct {
	// contains filtered or unexported fields
}

type LiftStatus struct {
	ID                         string
	LastFloor                  uint
	Direction                  string
	DestinationFloor           uint
	DestinationButtonDirection string
	LastUpdate                 time.Time
}

type LiftStatusUpdate struct {
	CurrentFloor uint
	CurrentDir   string
	DstFloor     uint
	DstBtnDir    string
}

type State struct {
	// Number of floors for all lifts.
	Floors uint
	// Nodes is the IP:port of all nodes in the system
	Nodes map[string]LiftStatus
	// HallUpButtons, true of they are lit. Equivalent with an order there
	HallUpButtons   map[string]Status
	HallDownButtons map[string]Status
}

type Status struct {
	AssignedTo string    // on the form "ip:port"
	LastStatus string    // "UNASSIGNED", "ASSIGNED", "DONE"
	LastChange time.Time // Automatically set by the sender when publishing a statusupdate.
}