frp/pkg/util/xlog/xlog.go
2023-11-22 14:35:37 +08:00

115 lines
2.7 KiB
Go

// Copyright 2019 fatedier, fatedier@gmail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package xlog
import (
"sort"
"github.com/fatedier/frp/pkg/util/log"
)
type LogPrefix struct {
// Name is the name of the prefix, it won't be displayed in log but used to identify the prefix.
Name string
// Value is the value of the prefix, it will be displayed in log.
Value string
// The prefix with higher priority will be displayed first, default is 10.
Priority int
}
// Logger is not thread safety for operations on prefix
type Logger struct {
prefixes []LogPrefix
prefixString string
}
func New() *Logger {
return &Logger{
prefixes: make([]LogPrefix, 0),
}
}
func (l *Logger) ResetPrefixes() (old []LogPrefix) {
old = l.prefixes
l.prefixes = make([]LogPrefix, 0)
l.prefixString = ""
return
}
func (l *Logger) AppendPrefix(prefix string) *Logger {
return l.AddPrefix(LogPrefix{
Name: prefix,
Value: prefix,
Priority: 10,
})
}
func (l *Logger) AddPrefix(prefix LogPrefix) *Logger {
found := false
if prefix.Priority <= 0 {
prefix.Priority = 10
}
for _, p := range l.prefixes {
if p.Name == prefix.Name {
found = true
p.Value = prefix.Value
p.Priority = prefix.Priority
}
}
if !found {
l.prefixes = append(l.prefixes, prefix)
}
l.renderPrefixString()
return l
}
func (l *Logger) renderPrefixString() {
sort.SliceStable(l.prefixes, func(i, j int) bool {
return l.prefixes[i].Priority < l.prefixes[j].Priority
})
l.prefixString = ""
for _, v := range l.prefixes {
l.prefixString += "[" + v.Value + "] "
}
}
func (l *Logger) Spawn() *Logger {
nl := New()
nl.prefixes = append(nl.prefixes, l.prefixes...)
nl.renderPrefixString()
return nl
}
func (l *Logger) Error(format string, v ...interface{}) {
log.Log.Error(l.prefixString+format, v...)
}
func (l *Logger) Warn(format string, v ...interface{}) {
log.Log.Warn(l.prefixString+format, v...)
}
func (l *Logger) Info(format string, v ...interface{}) {
log.Log.Info(l.prefixString+format, v...)
}
func (l *Logger) Debug(format string, v ...interface{}) {
log.Log.Debug(l.prefixString+format, v...)
}
func (l *Logger) Trace(format string, v ...interface{}) {
log.Log.Trace(l.prefixString+format, v...)
}