74 lines
2 KiB
Go
74 lines
2 KiB
Go
// Copyright (c) 2015-2017 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package claimtrie
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import (
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"sync"
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"time"
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"github.com/btcsuite/btclog"
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)
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// claimProgressLogger provides periodic logging for other services in order
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// to show users progress of certain "actions" involving some or all current
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// claim names. Ex: rebuilding claimtrie.
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type claimProgressLogger struct {
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totalLogName int64
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recentLogName int64
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lastLogNameTime time.Time
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subsystemLogger btclog.Logger
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progressAction string
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sync.Mutex
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}
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// newClaimProgressLogger returns a new name progress logger.
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// The progress message is templated as follows:
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//
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// {progressAction} {numProcessed} {names|name} in the last {timePeriod} (total {totalProcessed})
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func newClaimProgressLogger(progressMessage string, logger btclog.Logger) *claimProgressLogger {
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return &claimProgressLogger{
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lastLogNameTime: time.Now(),
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progressAction: progressMessage,
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subsystemLogger: logger,
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}
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}
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// LogName logs a new claim name as an information message to show progress
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// to the user. In order to prevent spam, it limits logging to one message
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// every 10 seconds with duration and totals included.
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func (n *claimProgressLogger) LogName(name []byte) {
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n.Lock()
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defer n.Unlock()
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n.totalLogName++
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n.recentLogName++
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now := time.Now()
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duration := now.Sub(n.lastLogNameTime)
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if duration < time.Second*10 {
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return
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}
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// Truncate the duration to 10s of milliseconds.
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durationMillis := int64(duration / time.Millisecond)
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tDuration := 10 * time.Millisecond * time.Duration(durationMillis/10)
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// Log information about progress.
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nameStr := "names"
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if n.recentLogName == 1 {
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nameStr = "name"
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}
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n.subsystemLogger.Infof("%s %d claim %s in the last %s (total %d)",
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n.progressAction, n.recentLogName, nameStr, tDuration, n.totalLogName)
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n.recentLogName = 0
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n.lastLogNameTime = now
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}
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func (n *claimProgressLogger) SetLastLogTime(time time.Time) {
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n.lastLogNameTime = time
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}
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