Files
windows_exporter/internal/utils/counter.go
Jan-Otto Kröpke bf56e99ad2 chore: Update Copyright (#1981)
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
2025-04-06 11:26:56 +02:00

42 lines
1.2 KiB
Go

// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2025 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.
//go:build windows
package utils
type Counter struct {
lastValue uint32
totalValue float64
}
// NewCounter creates a new Counter that accepts uint32 values and returns float64 values.
// It resolve the overflow issue of uint32 by using the difference between the last value and the current value.
func NewCounter(lastValue uint32) Counter {
return Counter{
lastValue: lastValue,
totalValue: 0,
}
}
func (c *Counter) AddValue(value uint32) {
c.totalValue += float64(value - c.lastValue)
c.lastValue = value
}
func (c *Counter) Value() float64 {
return c.totalValue
}