influxdb/tsdb/ingress_metrics.go

69 lines
1.6 KiB
Go

package tsdb
import (
"sort"
"sync"
"sync/atomic"
)
type MetricKey struct {
measurement string
db string
rp string
login string
}
type MetricValue struct {
points int64
values int64
series int64
}
type IngressMetrics struct {
m sync.Map
length int64
}
func (i *IngressMetrics) AddMetric(measurement, db, rp, login string, points, values, series int64) {
key := MetricKey{measurement, db, rp, login}
val, ok := i.m.Load(key)
if !ok {
var loaded bool
val, loaded = i.m.LoadOrStore(key, &MetricValue{})
if !loaded {
atomic.AddInt64(&i.length, 1)
}
}
metricVal := val.(*MetricValue)
atomic.AddInt64(&metricVal.points, points)
atomic.AddInt64(&metricVal.values, values)
atomic.AddInt64(&metricVal.series, series)
}
func (i *IngressMetrics) ForEach(f func(m MetricKey, points, values, series int64)) {
keys := make([]MetricKey, 0, atomic.LoadInt64(&i.length))
i.m.Range(func(key, value interface{}) bool {
keys = append(keys, key.(MetricKey))
return true
})
sort.Slice(keys, func(i, j int) bool {
if keys[i].db != keys[j].db {
return keys[i].db < keys[j].db
}
if keys[i].rp != keys[j].rp {
return keys[i].rp < keys[j].rp
}
if keys[i].measurement != keys[j].measurement {
return keys[i].measurement < keys[j].measurement
}
return keys[i].login < keys[j].login
})
for _, key := range keys {
val, ok := i.m.Load(key)
// ok should always be true - we don't delete keys. But if we did we would ignore keys concurrently deleted.
if ok {
f(key, val.(*MetricValue).points, val.(*MetricValue).values, val.(*MetricValue).series)
}
}
}