Official Go implementation of the Ethereum protocol
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go-ethereum/log/root.go

117 lines
2.8 KiB

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