77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
|
// Copyright (c) 2016 The btcsuite developers
|
||
|
|
// Use of this source code is governed by an ISC
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package indexers
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sync"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/btcsuite/btclog"
|
||
|
|
"github.com/btcsuite/btcutil"
|
||
|
|
)
|
||
|
|
|
||
|
|
// blockProgressLogger provides periodic logging for other services in order
|
||
|
|
// to show users progress of certain "actions" involving some or all current
|
||
|
|
// blocks. Ex: syncing to best chain, indexing all blocks, etc.
|
||
|
|
type blockProgressLogger struct {
|
||
|
|
receivedLogBlocks int64
|
||
|
|
receivedLogTx int64
|
||
|
|
lastBlockLogTime time.Time
|
||
|
|
|
||
|
|
subsystemLogger btclog.Logger
|
||
|
|
progressAction string
|
||
|
|
sync.Mutex
|
||
|
|
}
|
||
|
|
|
||
|
|
// newBlockProgressLogger returns a new block progress logger.
|
||
|
|
// The progress message is templated as follows:
|
||
|
|
// {progressAction} {numProcessed} {blocks|block} in the last {timePeriod}
|
||
|
|
// ({numTxs}, height {lastBlockHeight}, {lastBlockTimeStamp})
|
||
|
|
func newBlockProgressLogger(progressMessage string, logger btclog.Logger) *blockProgressLogger {
|
||
|
|
return &blockProgressLogger{
|
||
|
|
lastBlockLogTime: time.Now(),
|
||
|
|
progressAction: progressMessage,
|
||
|
|
subsystemLogger: logger,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// LogBlockHeight logs a new block height as an information message to show
|
||
|
|
// progress to the user. In order to prevent spam, it limits logging to one
|
||
|
|
// message every 10 seconds with duration and totals included.
|
||
|
|
func (b *blockProgressLogger) LogBlockHeight(block *btcutil.Block) {
|
||
|
|
b.Lock()
|
||
|
|
defer b.Unlock()
|
||
|
|
|
||
|
|
b.receivedLogBlocks++
|
||
|
|
b.receivedLogTx += int64(len(block.MsgBlock().Transactions))
|
||
|
|
|
||
|
|
now := time.Now()
|
||
|
|
duration := now.Sub(b.lastBlockLogTime)
|
||
|
|
if duration < time.Second*10 {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Truncate the duration to 10s of milliseconds.
|
||
|
|
durationMillis := int64(duration / time.Millisecond)
|
||
|
|
tDuration := 10 * time.Millisecond * time.Duration(durationMillis/10)
|
||
|
|
|
||
|
|
// Log information about new block height.
|
||
|
|
blockStr := "blocks"
|
||
|
|
if b.receivedLogBlocks == 1 {
|
||
|
|
blockStr = "block"
|
||
|
|
}
|
||
|
|
txStr := "transactions"
|
||
|
|
if b.receivedLogTx == 1 {
|
||
|
|
txStr = "transaction"
|
||
|
|
}
|
||
|
|
b.subsystemLogger.Infof("%s %d %s in the last %s (%d %s, height %d, %s)",
|
||
|
|
b.progressAction, b.receivedLogBlocks, blockStr, tDuration, b.receivedLogTx,
|
||
|
|
txStr, block.Height(), block.MsgBlock().Header.Timestamp)
|
||
|
|
|
||
|
|
b.receivedLogBlocks = 0
|
||
|
|
b.receivedLogTx = 0
|
||
|
|
b.lastBlockLogTime = now
|
||
|
|
}
|