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package logger
import (
"io"
"log"
"sync/atomic"
)
// NewStdLogSystem creates a LogSystem that prints to the given writer.
// The flag values are defined package log.
func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
logger := log.New(writer, "", flags)
return &stdLogSystem{logger, uint32(level)}
}
type stdLogSystem struct {
logger *log.Logger
level uint32
}
func (t *stdLogSystem) LogPrint(level LogLevel, msg string) {
t.logger.Print(msg)
}
func (t *stdLogSystem) SetLogLevel(i LogLevel) {
atomic.StoreUint32(&t.level, uint32(i))
}
func (t *stdLogSystem) GetLogLevel() LogLevel {
return LogLevel(atomic.LoadUint32(&t.level))
}
// NewRawLogSystem creates a LogSystem that prints to the given writer without
// adding extra information. Suitable for preformatted output
func NewRawLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
logger := log.New(writer, "", 0)
return &rawLogSystem{logger, uint32(level)}
}
type rawLogSystem struct {
logger *log.Logger
level uint32
}
func (t *rawLogSystem) LogPrint(level LogLevel, msg string) {
t.logger.Print(msg)
}
func (t *rawLogSystem) SetLogLevel(i LogLevel) {
atomic.StoreUint32(&t.level, uint32(i))
}
func (t *rawLogSystem) GetLogLevel() LogLevel {
return LogLevel(atomic.LoadUint32(&t.level))
}
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