ada1bc701c
This addresses issues related to the mobile lnd builds, where calling `stopDaemon` and subsequently calling LndMobile's `Start` results in crash.
44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
package build
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import (
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"github.com/btcsuite/btclog"
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)
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// ShutdownLogger wraps an existing logger with a shutdown function which will
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// be called on Critical/Criticalf to prompt shutdown.
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type ShutdownLogger struct {
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btclog.Logger
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shutdown func()
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}
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// NewShutdownLogger creates a shutdown logger for the log provided which will
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// use the signal package to request shutdown on critical errors.
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func NewShutdownLogger(logger btclog.Logger, shutdown func()) *ShutdownLogger {
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return &ShutdownLogger{
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Logger: logger,
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shutdown: shutdown,
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}
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}
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// Criticalf formats message according to format specifier and writes to
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// log with LevelCritical. It will then call the shutdown logger's shutdown
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// function to prompt safe shutdown.
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//
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// Note: it is part of the btclog.Logger interface.
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func (s *ShutdownLogger) Criticalf(format string, params ...interface{}) {
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s.Logger.Criticalf(format, params...)
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s.Logger.Info("Sending request for shutdown")
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s.shutdown()
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}
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// Critical formats message using the default formats for its operands
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// and writes to log with LevelCritical. It will then call the shutdown
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// logger's shutdown function to prompt safe shutdown.
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//
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// Note: it is part of the btclog.Logger interface.
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func (s *ShutdownLogger) Critical(v ...interface{}) {
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s.Logger.Critical(v)
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s.Logger.Info("Sending request for shutdown")
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s.shutdown()
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}
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