forked from quic-go/quic-go
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package utils
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import (
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"fmt"
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"io"
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"os"
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"sync"
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)
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var out io.Writer = os.Stdout
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// LogLevel of quic-go
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type LogLevel uint8
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const (
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// LogLevelDebug enables debug logs (e.g. packet contents)
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LogLevelDebug LogLevel = iota
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// LogLevelInfo enables info logs (e.g. packets)
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LogLevelInfo
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// LogLevelError enables err logs
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LogLevelError
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// LogLevelNothing disables
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LogLevelNothing
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)
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var logLevel = LogLevelNothing
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var mutex sync.Mutex
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// SetLogLevel sets the log level
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func SetLogLevel(level LogLevel) {
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logLevel = level
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}
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// Debugf logs something
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func Debugf(format string, args ...interface{}) {
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if logLevel == LogLevelDebug {
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mutex.Lock()
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fmt.Fprintf(out, format+"\n", args...)
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mutex.Unlock()
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}
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}
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// Infof logs something
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func Infof(format string, args ...interface{}) {
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if logLevel <= LogLevelInfo {
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mutex.Lock()
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fmt.Fprintf(out, format+"\n", args...)
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mutex.Unlock()
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}
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}
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// Errorf logs something
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func Errorf(format string, args ...interface{}) {
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if logLevel <= LogLevelError {
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mutex.Lock()
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fmt.Fprintf(out, format+"\n", args...)
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mutex.Unlock()
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}
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}
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