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// Copyright 2020 The Swarm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pingpong
import (
m "github.com/ethersphere/bee/pkg/metrics"
"github.com/prometheus/client_golang/prometheus"
)
type metrics struct {
// all metrics fields must be exported
// to be able to return them by Metrics()
// using reflection
PingSentCount prometheus.Counter
PongSentCount prometheus.Counter
PingReceivedCount prometheus.Counter
PongReceivedCount prometheus.Counter
}
func newMetrics() metrics {
subsystem := "pingpong"
return metrics{
PingSentCount: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: m.Namespace,
Subsystem: subsystem,
Name: "ping_sent_count",
Help: "Number ping requests sent.",
}),
PongSentCount: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: m.Namespace,
Subsystem: subsystem,
Name: "pong_sent_count",
Help: "Number of pong responses sent.",
}),
PingReceivedCount: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: m.Namespace,
Subsystem: subsystem,
Name: "ping_received_count",
Help: "Number ping requests received.",
}),
PongReceivedCount: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: m.Namespace,
Subsystem: subsystem,
Name: "pong_received_count",
Help: "Number of pong responses received.",
}),
}
}
func (s *Service) Metrics() []prometheus.Collector {
return m.PrometheusCollectorsFromFields(s.metrics)
}