statsd_exporter/pkg/clock/clock.go

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// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package clock
import (
"time"
)
var ClockInstance *Clock
type Clock struct {
Instant time.Time
TickerCh chan time.Time
}
func Now() time.Time {
if ClockInstance == nil {
return time.Now()
}
return ClockInstance.Instant
}
func NewTicker(d time.Duration) *time.Ticker {
if ClockInstance == nil || ClockInstance.TickerCh == nil {
return time.NewTicker(d)
}
return &time.Ticker{
C: ClockInstance.TickerCh,
}
}