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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package metrics
import (
"sync/atomic"
"github.com/algorand/go-deadlock"
)
// Counter represent a single counter variable.
type Counter struct {
// Collects value for special fast-path with no labels through Inc(nil) AddUint64(x, nil)
intValue atomic.Uint64
deadlock.Mutex
name string
description string
values []*counterValues
labels map[string]int // map each label ( i.e. httpErrorCode ) to an index.
valuesIndices map[int]int
}
type counterValues struct {
counter uint64
labels map[string]string
formattedLabels string
}
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