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https://github.com/lightningnetwork/lnd.git
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cd697913ef
Start using the new slog handlers. With this commit we also remove the need for the LogWriter since we let our LogRotator implement io.Writer and pass that in to our log file handler.
43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
package build
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import (
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"github.com/btcsuite/btclog/v2"
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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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