forked from cerc-io/plugeth
c1213bd00c
* swarm/shed: remove metrics fields from DB struct * swarm/schunk: add String methods to modes * swarm/storage/localstore: add metrics and traces * swarm/chunk: unknown modes without spaces in String methods * swarm/storage/localstore: remove bin number from pull subscription metrics * swarm/storage/localstore: add resetting time metrics and code improvements
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
// Copyright 2019 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package localstore
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/metrics"
|
|
"github.com/ethereum/go-ethereum/swarm/chunk"
|
|
"github.com/ethereum/go-ethereum/swarm/spancontext"
|
|
olog "github.com/opentracing/opentracing-go/log"
|
|
)
|
|
|
|
// Has returns true if the chunk is stored in database.
|
|
func (db *DB) Has(ctx context.Context, addr chunk.Address) (bool, error) {
|
|
metricName := "localstore.Has"
|
|
|
|
ctx, sp := spancontext.StartSpan(ctx, metricName)
|
|
defer sp.Finish()
|
|
sp.LogFields(olog.String("ref", addr.String()))
|
|
|
|
metrics.GetOrRegisterCounter(metricName, nil).Inc(1)
|
|
defer totalTimeMetric(metricName, time.Now())
|
|
|
|
has, err := db.retrievalDataIndex.Has(addressToItem(addr))
|
|
if err != nil {
|
|
metrics.GetOrRegisterCounter(metricName+".error", nil).Inc(1)
|
|
}
|
|
return has, err
|
|
}
|