handler

Documentation

Index

• type Handler
  • func New(ctx *snow.ConsensusContext, validators validators.Set, ...) (Handler, error)
• type MessageQueue
  • func NewMessageQueue(log logging.Logger, vdrs validators.Set, cpuTracker tracker.Tracker, ...) (MessageQueue, error)

Types

type Handler

type Handler interface {
	common.Timer
	health.Checker

	Context() *snow.ConsensusContext
	IsValidator(nodeID ids.NodeID) bool

	SetStateSyncer(engine common.StateSyncer)
	StateSyncer() common.StateSyncer
	SetBootstrapper(engine common.BootstrapableEngine)
	Bootstrapper() common.BootstrapableEngine
	SetConsensus(engine common.Engine)
	Consensus() common.Engine

	SetOnStopped(onStopped func())
	Start(ctx context.Context, recoverPanic bool)
	Push(ctx context.Context, msg message.InboundMessage)
	Len() int
	Stop()
	StopWithError(err error)
	Stopped() chan struct{}
}

func New

func New(
	ctx *snow.ConsensusContext,
	validators validators.Set,
	msgFromVMChan <-chan common.Message,
	preemptTimeouts chan struct{},
	gossipFrequency time.Duration,
	resourceTracker tracker.ResourceTracker,
) (Handler, error)

Initialize this consensus handler [engine] must be initialized before initializing this handler

type MessageQueue

type MessageQueue interface {
	// Add a message.
	//
	// If called after [Shutdown], the message will immediately be marked as
	// having been handled.
	Push(context.Context, message.InboundMessage)

	// Remove and return a message and its context.
	//
	// If there are no available messages, this function will block until a
	// message becomes available or the queue is [Shutdown].
	Pop() (context.Context, message.InboundMessage, bool)

	// Returns the number of messages currently on the queue
	Len() int

	// Shutdown and empty the queue.
	Shutdown()
}

func NewMessageQueue

func NewMessageQueue(
	log logging.Logger,
	vdrs validators.Set,
	cpuTracker tracker.Tracker,
	metricsNamespace string,
	metricsRegisterer prometheus.Registerer,
	ops []message.Op,
) (MessageQueue, error)