clash/log/log.go

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package log
import (
"fmt"
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"os"
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"github.com/Dreamacro/clash/common/observable"
log "github.com/sirupsen/logrus"
)
var (
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logCh = make(chan any)
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source = observable.NewObservable(logCh)
level = INFO
)
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func init() {
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log.SetOutput(os.Stdout)
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log.SetLevel(log.DebugLevel)
}
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type Event struct {
LogLevel LogLevel
Payload string
}
func (e *Event) Type() string {
return e.LogLevel.String()
}
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func Infoln(format string, v ...any) {
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event := newLog(INFO, format, v...)
logCh <- event
print(event)
}
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func Warnln(format string, v ...any) {
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event := newLog(WARNING, format, v...)
logCh <- event
print(event)
}
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func Errorln(format string, v ...any) {
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event := newLog(ERROR, format, v...)
logCh <- event
print(event)
}
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func Debugln(format string, v ...any) {
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event := newLog(DEBUG, format, v...)
logCh <- event
print(event)
}
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func Fatalln(format string, v ...any) {
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log.Fatalf(format, v...)
}
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func Subscribe() observable.Subscription {
sub, _ := source.Subscribe()
return sub
}
func UnSubscribe(sub observable.Subscription) {
source.UnSubscribe(sub)
}
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func Level() LogLevel {
return level
}
func SetLevel(newLevel LogLevel) {
level = newLevel
}
func print(data *Event) {
if data.LogLevel < level {
return
}
switch data.LogLevel {
case INFO:
log.Infoln(data.Payload)
case WARNING:
log.Warnln(data.Payload)
case ERROR:
log.Errorln(data.Payload)
case DEBUG:
log.Debugln(data.Payload)
}
}
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func newLog(logLevel LogLevel, format string, v ...any) *Event {
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return &Event{
LogLevel: logLevel,
Payload: fmt.Sprintf(format, v...),
}
}
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func PrintLog(logLevel LogLevel, format string, v ...interface{}) {
event := newLog(logLevel, format, v...)
logCh <- event
print(event)
}