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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 (
"strings"
"github.com/algorand/go-deadlock"
)
var defaultRegistry *Registry
// MakeRegistry create a new metric registry
func MakeRegistry() *Registry {
c := &Registry{
metricsMu: deadlock.Mutex{},
}
return c
}
// DefaultRegistry retrieves the default registry
func DefaultRegistry() *Registry {
return defaultRegistry
}
func init() {
defaultRegistry = MakeRegistry()
}
// Register add the given metric to the registry
func (r *Registry) Register(metric Metric) {
r.metricsMu.Lock()
defer r.metricsMu.Unlock()
r.metrics = append(r.metrics, metric)
}
// Deregister removes the given metric to the registry
func (r *Registry) Deregister(metric Metric) {
r.metricsMu.Lock()
defer r.metricsMu.Unlock()
for i, m := range r.metrics {
if m == metric {
r.metrics = append(r.metrics[:i], r.metrics[i+1:]...)
return
}
}
}
// WriteMetrics will write all the metrics that were registered to this registry
func (r *Registry) WriteMetrics(buf *strings.Builder, parentLabels string) {
r.metricsMu.Lock()
defer r.metricsMu.Unlock()
for _, m := range r.metrics {
m.WriteMetric(buf, parentLabels)
}
}
// AddMetrics will add all the metrics that were registered to this registry
func (r *Registry) AddMetrics(values map[string]float64) {
r.metricsMu.Lock()
defer r.metricsMu.Unlock()
for _, m := range r.metrics {
m.AddMetric(values)
}
}
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