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62 lines
1.4 KiB
62 lines
1.4 KiB
// Copyright 2017 Tendermint. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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package trust
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import (
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"time"
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)
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// MetricTicker provides a single ticker interface for the trust metric
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type MetricTicker interface {
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// GetChannel returns the receive only channel that fires at each time interval
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GetChannel() <-chan time.Time
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// Stop will halt further activity on the ticker channel
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Stop()
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}
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// The ticker used during testing that provides manual control over time intervals
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type TestTicker struct {
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C chan time.Time
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stopped bool
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}
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// NewTestTicker returns our ticker used within test routines
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func NewTestTicker() *TestTicker {
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c := make(chan time.Time, 1)
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return &TestTicker{
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C: c,
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}
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}
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func (t *TestTicker) GetChannel() <-chan time.Time {
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return t.C
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}
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func (t *TestTicker) Stop() {
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t.stopped = true
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}
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// NextInterval manually sends Time on the ticker channel
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func (t *TestTicker) NextTick() {
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if t.stopped {
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return
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}
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t.C <- time.Now()
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}
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// Ticker is just a wrap around time.Ticker that allows it
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// to meet the requirements of our interface
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type Ticker struct {
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*time.Ticker
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}
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// NewTicker returns a normal time.Ticker wrapped to meet our interface
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func NewTicker(d time.Duration) *Ticker {
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return &Ticker{time.NewTicker(d)}
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}
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func (t *Ticker) GetChannel() <-chan time.Time {
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return t.C
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}
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