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115 lines
2.7 KiB
115 lines
2.7 KiB
package log
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import (
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"log/slog"
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"os"
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"sync/atomic"
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)
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var root atomic.Value
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func init() {
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root.Store(&logger{slog.New(DiscardHandler())})
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}
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// SetDefault sets the default global logger
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func SetDefault(l Logger) {
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root.Store(l)
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if lg, ok := l.(*logger); ok {
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slog.SetDefault(lg.inner)
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}
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}
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// Root returns the root logger
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func Root() Logger {
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return root.Load().(Logger)
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}
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// The following functions bypass the exported logger methods (logger.Debug,
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// etc.) to keep the call depth the same for all paths to logger.Write so
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// runtime.Caller(2) always refers to the call site in client code.
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// Trace is a convenient alias for Root().Trace
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//
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// Log a message at the trace level with context key/value pairs
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//
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// # Usage
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//
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// log.Trace("msg")
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// log.Trace("msg", "key1", val1)
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// log.Trace("msg", "key1", val1, "key2", val2)
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func Trace(msg string, ctx ...interface{}) {
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Root().Write(LevelTrace, msg, ctx...)
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}
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// Debug is a convenient alias for Root().Debug
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//
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// Log a message at the debug level with context key/value pairs
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//
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// # Usage Examples
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//
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// log.Debug("msg")
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// log.Debug("msg", "key1", val1)
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// log.Debug("msg", "key1", val1, "key2", val2)
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func Debug(msg string, ctx ...interface{}) {
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Root().Write(slog.LevelDebug, msg, ctx...)
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}
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// Info is a convenient alias for Root().Info
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//
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// Log a message at the info level with context key/value pairs
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//
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// # Usage Examples
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//
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// log.Info("msg")
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// log.Info("msg", "key1", val1)
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// log.Info("msg", "key1", val1, "key2", val2)
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func Info(msg string, ctx ...interface{}) {
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Root().Write(slog.LevelInfo, msg, ctx...)
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}
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// Warn is a convenient alias for Root().Warn
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//
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// Log a message at the warn level with context key/value pairs
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//
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// # Usage Examples
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//
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// log.Warn("msg")
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// log.Warn("msg", "key1", val1)
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// log.Warn("msg", "key1", val1, "key2", val2)
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func Warn(msg string, ctx ...interface{}) {
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Root().Write(slog.LevelWarn, msg, ctx...)
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}
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// Error is a convenient alias for Root().Error
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//
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// Log a message at the error level with context key/value pairs
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//
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// # Usage Examples
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//
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// log.Error("msg")
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// log.Error("msg", "key1", val1)
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// log.Error("msg", "key1", val1, "key2", val2)
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func Error(msg string, ctx ...interface{}) {
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Root().Write(slog.LevelError, msg, ctx...)
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}
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// Crit is a convenient alias for Root().Crit
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//
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// Log a message at the crit level with context key/value pairs, and then exit.
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//
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// # Usage Examples
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//
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// log.Crit("msg")
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// log.Crit("msg", "key1", val1)
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// log.Crit("msg", "key1", val1, "key2", val2)
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func Crit(msg string, ctx ...interface{}) {
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Root().Write(LevelCrit, msg, ctx...)
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os.Exit(1)
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}
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// New returns a new logger with the given context.
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// New is a convenient alias for Root().New
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func New(ctx ...interface{}) Logger {
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return Root().With(ctx...)
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}
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