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timeout_aggregation_violation_consumer.go
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/
timeout_aggregation_violation_consumer.go
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package pubsub
import (
"sync"
"github.com/onflow/flow-go/consensus/hotstuff"
"github.com/onflow/flow-go/consensus/hotstuff/model"
)
// TimeoutAggregationViolationDistributor ingests notifications about timeout aggregation violations and
// distributes them to consumers. Such notifications are produced by the timeout aggregation logic.
// Concurrently safe.
type TimeoutAggregationViolationDistributor struct {
consumers []hotstuff.TimeoutAggregationViolationConsumer
lock sync.RWMutex
}
var _ hotstuff.TimeoutAggregationViolationConsumer = (*TimeoutAggregationViolationDistributor)(nil)
func NewTimeoutAggregationViolationDistributor() *TimeoutAggregationViolationDistributor {
return &TimeoutAggregationViolationDistributor{}
}
func (d *TimeoutAggregationViolationDistributor) AddTimeoutAggregationViolationConsumer(consumer hotstuff.TimeoutAggregationViolationConsumer) {
d.lock.Lock()
defer d.lock.Unlock()
d.consumers = append(d.consumers, consumer)
}
func (d *TimeoutAggregationViolationDistributor) OnDoubleTimeoutDetected(timeout *model.TimeoutObject, altTimeout *model.TimeoutObject) {
d.lock.RLock()
defer d.lock.RUnlock()
for _, subscriber := range d.consumers {
subscriber.OnDoubleTimeoutDetected(timeout, altTimeout)
}
}
func (d *TimeoutAggregationViolationDistributor) OnInvalidTimeoutDetected(err model.InvalidTimeoutError) {
d.lock.RLock()
defer d.lock.RUnlock()
for _, subscriber := range d.consumers {
subscriber.OnInvalidTimeoutDetected(err)
}
}