timeout

package
v1.7.17 Latest Latest
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Published: Aug 10, 2022 License: BSD-3-Clause Imports: 12 Imported by: 0

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type Manager

type Manager interface {
	// Start the manager. Must be called before any other method.
	// Should be called in a goroutine.
	Dispatch()
	// TimeoutDuration returns the current timeout duration.
	TimeoutDuration() time.Duration
	// IsBenched returns true if messages to [nodeID] regarding [chainID]
	// should not be sent over the network and should immediately fail.
	IsBenched(nodeID ids.NodeID, chainID ids.ID) bool
	// Register the existence of the given chain.
	// Must be called before any method calls that use the
	// ID of the chain.
	RegisterChain(ctx *snow.ConsensusContext) error
	// RegisterRequest notes that we expect a response of type [op] from
	// [nodeID] for chain [chainID]. If we don't receive a response in
	// time, [timeoutHandler] is executed.
	RegisterRequest(
		nodeID ids.NodeID,
		chainID ids.ID,
		op message.Op,
		requestID ids.ID,
		timeoutHandler func(),
	)
	// Registers that we would have sent a request to a validator but they
	// are unreachable because they are benched or because of network conditions
	// (e.g. we're not connected), so we didn't send the query. For the sake
	// of calculating the average latency and network timeout, we act as
	// though we sent the validator a request and it timed out.
	RegisterRequestToUnreachableValidator()
	// Registers that [nodeID] sent us a response of type [op]
	// for the given chain. The response corresponds to the given
	// requestID we sent them. [latency] is the time between us
	// sending them the request and receiving their response.
	RegisterResponse(
		nodeID ids.NodeID,
		chainID ids.ID,
		requestID ids.ID,
		op message.Op,
		latency time.Duration,
	)
	// Mark that we no longer expect a response to this request we sent.
	// Does not modify the timeout.
	RemoveRequest(requestID ids.ID)
}

Manages timeouts for requests sent to peers.

func NewManager added in v1.7.16

func NewManager(
	timeoutConfig *timer.AdaptiveTimeoutConfig,
	benchlistMgr benchlist.Manager,
	metricsNamespace string,
	metricsRegister prometheus.Registerer,
) (Manager, error)

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