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log.go
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log.go
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// Copyright 2019 Hcnet Development Foundation and contributors. Licensed
// under the Apache License, Version 2.0. See the COPYING file at the root
// of this distribution or at http://www.apache.org/licenses/LICENSE-2.0
package historyarchive
import (
log "github.com/sirupsen/logrus"
"github.com/shantanu-hashcash/go/xdr"
"io"
"time"
)
func (has *HistoryArchiveState) GetChangedBuckets(arch *Archive, prevHas *HistoryArchiveState) (string, int, int64) {
var (
nChangedBytes int64
nChangedBuckets int
changedBuckets string
)
for i, b := range has.CurrentBuckets {
if prevHas.CurrentBuckets[i].Curr != b.Curr {
nChangedBuckets += 1
changedBuckets += "#"
nChangedBytes += arch.MustGetBucketSize(MustDecodeHash(b.Curr))
} else {
changedBuckets += "_"
}
if prevHas.CurrentBuckets[i].Snap != b.Snap {
nChangedBuckets += 1
changedBuckets += "#"
nChangedBytes += arch.MustGetBucketSize(MustDecodeHash(b.Snap))
} else {
changedBuckets += "_"
}
}
return changedBuckets, nChangedBuckets, nChangedBytes
}
func (arch *Archive) MustGetBucketSize(hash Hash) int64 {
sz, err := arch.backend.Size(arch.GetBucketPathForHash(hash))
if err != nil {
panic(err)
}
return sz
}
func (arch *Archive) MustGetLedgerHeaderHistoryEntries(chk uint32) []xdr.LedgerHeaderHistoryEntry {
path := CategoryCheckpointPath("ledger", chk)
rdr, err := arch.GetXdrStream(path)
if err != nil {
panic(err)
}
defer rdr.Close()
var lhes []xdr.LedgerHeaderHistoryEntry
for {
lhe := xdr.LedgerHeaderHistoryEntry{}
if err = rdr.ReadOne(&lhe); err != nil {
if err == io.EOF {
break
} else {
panic(err)
}
}
lhes = append(lhes, lhe)
}
return lhes
}
func (arch *Archive) MustGetTransactionHistoryEntries(chk uint32) []xdr.TransactionHistoryEntry {
path := CategoryCheckpointPath("transactions", chk)
rdr, err := arch.GetXdrStream(path)
if err != nil {
panic(err)
}
defer rdr.Close()
var thes []xdr.TransactionHistoryEntry
for {
the := xdr.TransactionHistoryEntry{}
if err = rdr.ReadOne(&the); err != nil {
if err == io.EOF {
break
} else {
panic(err)
}
}
thes = append(thes, the)
}
return thes
}
func (arch *Archive) Log(opts *CommandOptions) error {
state, e := arch.GetRootHAS()
if e != nil {
return e
}
opts.Range = opts.Range.clamp(state.Range(), arch.checkpointManager)
log.Printf("Log of checkpoint files in range: %s", opts.Range)
log.Printf("\n")
log.Printf("%10s | %10s | %20s | %5s | %s",
"ledger", "hex", "close time", "txs", "buckets changed")
prevHas, err := arch.GetCheckpointHAS(arch.checkpointManager.PrevCheckpoint(opts.Range.Low))
if err != nil {
return err
}
for chk := range opts.Range.GenerateCheckpoints(arch.checkpointManager) {
has, err := arch.GetCheckpointHAS(chk)
if err != nil {
return err
}
changedBuckets, nChangedBuckets, nChangedBytes := has.GetChangedBuckets(arch, &prevHas)
prevHas = has
lhes := arch.MustGetLedgerHeaderHistoryEntries(chk)
lastlhe := lhes[len(lhes)-1]
closeTime := time.Unix(int64(lastlhe.Header.ScpValue.CloseTime), 0)
nTxs := 0
thes := arch.MustGetTransactionHistoryEntries(chk)
for _, tx := range thes {
nTxs += len(tx.TxSet.Txs)
}
log.Printf("%10d | 0x%08x | %20s | %5d | %2d buckets, %10d bytes, %s",
has.CurrentLedger, has.CurrentLedger,
closeTime.UTC().Format(time.RFC3339),
nTxs, nChangedBuckets, nChangedBytes, changedBuckets)
}
return nil
}