A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package log
import (
"fmt"
"os"
"runtime"
"strings"
"sync"
)
type loggerMap struct {
sync.Map
}
func (m *loggerMap) Load(k string) (*MultiChannelledLogger, bool) {
v, ok := m.Map.Load(k)
if !ok {
return nil, false
}
l, ok := v.(*MultiChannelledLogger)
return l, ok
}
func (m *loggerMap) Store(k string, v *MultiChannelledLogger) {
m.Map.Store(k, v)
}
func (m *loggerMap) Delete(k string) {
m.Map.Delete(k)
}
var (
// DEFAULT is the name of the default logger
DEFAULT = "default"
// NamedLoggers map of named loggers
NamedLoggers loggerMap
prefix string
)
// NewLogger create a logger for the default logger
func NewLogger(bufLen int64, name, provider, config string) *MultiChannelledLogger {
err := NewNamedLogger(DEFAULT, bufLen, name, provider, config)
if err != nil {
CriticalWithSkip(1, "Unable to create default logger: %v", err)
panic(err)
}
l, _ := NamedLoggers.Load(DEFAULT)
return l
}
// NewNamedLogger creates a new named logger for a given configuration
func NewNamedLogger(name string, bufLen int64, subname, provider, config string) error {
logger, ok := NamedLoggers.Load(name)
if !ok {
logger = newLogger(name, bufLen)
NamedLoggers.Store(name, logger)
}
return logger.SetLogger(subname, provider, config)
}
// DelNamedLogger closes and deletes the named logger
func DelNamedLogger(name string) {
l, ok := NamedLoggers.Load(name)
if ok {
NamedLoggers.Delete(name)
l.Close()
}
}
// DelLogger removes the named sublogger from the default logger
func DelLogger(name string) error {
logger, _ := NamedLoggers.Load(DEFAULT)
found, err := logger.DelLogger(name)
if !found {
Trace("Log %s not found, no need to delete", name)
}
return err
}
// GetLogger returns either a named logger or the default logger
func GetLogger(name string) *MultiChannelledLogger {
logger, ok := NamedLoggers.Load(name)
if ok {
return logger
}
logger, _ = NamedLoggers.Load(DEFAULT)
return logger
}
// GetLevel returns the minimum logger level
func GetLevel() Level {
l, _ := NamedLoggers.Load(DEFAULT)
return l.GetLevel()
}
// GetStacktraceLevel returns the minimum logger level
func GetStacktraceLevel() Level {
l, _ := NamedLoggers.Load(DEFAULT)
return l.GetStacktraceLevel()
}
// Trace records trace log
func Trace(format string, v ...interface{}) {
Log(1, TRACE, format, v...)
}
// IsTrace returns true if at least one logger is TRACE
func IsTrace() bool {
return GetLevel() <= TRACE
}
// Debug records debug log
func Debug(format string, v ...interface{}) {
Log(1, DEBUG, format, v...)
}
// IsDebug returns true if at least one logger is DEBUG
func IsDebug() bool {
return GetLevel() <= DEBUG
}
// Info records info log
func Info(format string, v ...interface{}) {
Log(1, INFO, format, v...)
}
// IsInfo returns true if at least one logger is INFO
func IsInfo() bool {
return GetLevel() <= INFO
}
// Warn records warning log
func Warn(format string, v ...interface{}) {
Log(1, WARN, format, v...)
}
// IsWarn returns true if at least one logger is WARN
func IsWarn() bool {
return GetLevel() <= WARN
}
// Error records error log
func Error(format string, v ...interface{}) {
Log(1, ERROR, format, v...)
}
// ErrorWithSkip records error log from "skip" calls back from this function
func ErrorWithSkip(skip int, format string, v ...interface{}) {
Log(skip+1, ERROR, format, v...)
}
// IsError returns true if at least one logger is ERROR
func IsError() bool {
return GetLevel() <= ERROR
}
// Critical records critical log
func Critical(format string, v ...interface{}) {
Log(1, CRITICAL, format, v...)
}
// CriticalWithSkip records critical log from "skip" calls back from this function
func CriticalWithSkip(skip int, format string, v ...interface{}) {
Log(skip+1, CRITICAL, format, v...)
}
// IsCritical returns true if at least one logger is CRITICAL
func IsCritical() bool {
return GetLevel() <= CRITICAL
}
// Fatal records fatal log and exit process
func Fatal(format string, v ...interface{}) {
Log(1, FATAL, format, v...)
Close()
os.Exit(1)
}
// FatalWithSkip records fatal log from "skip" calls back from this function
func FatalWithSkip(skip int, format string, v ...interface{}) {
Log(skip+1, FATAL, format, v...)
Close()
os.Exit(1)
}
// IsFatal returns true if at least one logger is FATAL
func IsFatal() bool {
return GetLevel() <= FATAL
}
// Pause pauses all the loggers
func Pause() {
NamedLoggers.Range(func(key, value interface{}) bool {
logger := value.(*MultiChannelledLogger)
logger.Pause()
logger.Flush()
return true
})
}
// Resume resumes all the loggers
func Resume() {
NamedLoggers.Range(func(key, value interface{}) bool {
logger := value.(*MultiChannelledLogger)
logger.Resume()
return true
})
}
// ReleaseReopen releases and reopens logging files
func ReleaseReopen() error {
var accumulatedErr error
NamedLoggers.Range(func(key, value interface{}) bool {
logger := value.(*MultiChannelledLogger)
if err := logger.ReleaseReopen(); err != nil {
if accumulatedErr == nil {
accumulatedErr = fmt.Errorf("Error reopening %s: %v", key.(string), err)
} else {
accumulatedErr = fmt.Errorf("Error reopening %s: %v & %v", key.(string), err, accumulatedErr)
}
}
return true
})
return accumulatedErr
}
// Close closes all the loggers
func Close() {
l, ok := NamedLoggers.Load(DEFAULT)
if !ok {
return
}
NamedLoggers.Delete(DEFAULT)
l.Close()
}
// Log a message with defined skip and at logging level
// A skip of 0 refers to the caller of this command
func Log(skip int, level Level, format string, v ...interface{}) {
l, ok := NamedLoggers.Load(DEFAULT)
if ok {
l.Log(skip+1, level, format, v...)
}
}
// LoggerAsWriter is a io.Writer shim around the gitea log
type LoggerAsWriter struct {
ourLoggers []*MultiChannelledLogger
level Level
}
// NewLoggerAsWriter creates a Writer representation of the logger with setable log level
func NewLoggerAsWriter(level string, ourLoggers ...*MultiChannelledLogger) *LoggerAsWriter {
if len(ourLoggers) == 0 {
l, _ := NamedLoggers.Load(DEFAULT)
ourLoggers = []*MultiChannelledLogger{l}
}
l := &LoggerAsWriter{
ourLoggers: ourLoggers,
level: FromString(level),
}
return l
}
// Write implements the io.Writer interface to allow spoofing of chi
func (l *LoggerAsWriter) Write(p []byte) (int, error) {
for _, logger := range l.ourLoggers {
// Skip = 3 because this presumes that we have been called by log.Println()
// If the caller has used log.Output or the like this will be wrong
logger.Log(3, l.level, string(p))
}
return len(p), nil
}
// Log takes a given string and logs it at the set log-level
func (l *LoggerAsWriter) Log(msg string) {
for _, logger := range l.ourLoggers {
// Set the skip to reference the call just above this
_ = logger.Log(1, l.level, msg)
}
}
func init() {
_, filename, _, _ := runtime.Caller(0)
prefix = strings.TrimSuffix(filename, "modules/log/log.go")
}