mirror of
https://github.com/go-gitea/gitea
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* Make LogDescriptions race safe * Add manager commands for pausing, resuming, adding and removing loggers Signed-off-by: Andrew Thornton <art27@cantab.net> * Placate lint * Ensure that file logger is run! * Add support for smtp and conn Signed-off-by: Andrew Thornton <art27@cantab.net> * Add release-and-reopen Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
292 lines
6.8 KiB
Go
292 lines
6.8 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package log
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import (
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"fmt"
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"os"
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"runtime"
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"strings"
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"sync"
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)
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type loggerMap struct {
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sync.Map
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}
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func (m *loggerMap) Load(k string) (*Logger, bool) {
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v, ok := m.Map.Load(k)
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if !ok {
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return nil, false
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}
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l, ok := v.(*Logger)
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return l, ok
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}
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func (m *loggerMap) Store(k string, v *Logger) {
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m.Map.Store(k, v)
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}
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func (m *loggerMap) Delete(k string) {
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m.Map.Delete(k)
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}
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var (
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// DEFAULT is the name of the default logger
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DEFAULT = "default"
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// NamedLoggers map of named loggers
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NamedLoggers loggerMap
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prefix string
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)
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// NewLogger create a logger for the default logger
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func NewLogger(bufLen int64, name, provider, config string) *Logger {
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err := NewNamedLogger(DEFAULT, bufLen, name, provider, config)
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if err != nil {
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CriticalWithSkip(1, "Unable to create default logger: %v", err)
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panic(err)
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}
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l, _ := NamedLoggers.Load(DEFAULT)
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return l
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}
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// NewNamedLogger creates a new named logger for a given configuration
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func NewNamedLogger(name string, bufLen int64, subname, provider, config string) error {
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logger, ok := NamedLoggers.Load(name)
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if !ok {
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logger = newLogger(name, bufLen)
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NamedLoggers.Store(name, logger)
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}
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return logger.SetLogger(subname, provider, config)
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}
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// DelNamedLogger closes and deletes the named logger
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func DelNamedLogger(name string) {
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l, ok := NamedLoggers.Load(name)
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if ok {
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NamedLoggers.Delete(name)
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l.Close()
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}
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}
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// DelLogger removes the named sublogger from the default logger
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func DelLogger(name string) error {
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logger, _ := NamedLoggers.Load(DEFAULT)
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found, err := logger.DelLogger(name)
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if !found {
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Trace("Log %s not found, no need to delete", name)
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}
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return err
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}
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// GetLogger returns either a named logger or the default logger
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func GetLogger(name string) *Logger {
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logger, ok := NamedLoggers.Load(name)
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if ok {
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return logger
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}
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logger, _ = NamedLoggers.Load(DEFAULT)
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return logger
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}
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// GetLevel returns the minimum logger level
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func GetLevel() Level {
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l, _ := NamedLoggers.Load(DEFAULT)
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return l.GetLevel()
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}
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// GetStacktraceLevel returns the minimum logger level
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func GetStacktraceLevel() Level {
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l, _ := NamedLoggers.Load(DEFAULT)
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return l.GetStacktraceLevel()
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}
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// Trace records trace log
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func Trace(format string, v ...interface{}) {
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Log(1, TRACE, format, v...)
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}
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// IsTrace returns true if at least one logger is TRACE
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func IsTrace() bool {
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return GetLevel() <= TRACE
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}
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// Debug records debug log
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func Debug(format string, v ...interface{}) {
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Log(1, DEBUG, format, v...)
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}
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// IsDebug returns true if at least one logger is DEBUG
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func IsDebug() bool {
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return GetLevel() <= DEBUG
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}
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// Info records info log
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func Info(format string, v ...interface{}) {
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Log(1, INFO, format, v...)
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}
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// IsInfo returns true if at least one logger is INFO
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func IsInfo() bool {
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return GetLevel() <= INFO
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}
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// Warn records warning log
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func Warn(format string, v ...interface{}) {
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Log(1, WARN, format, v...)
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}
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// IsWarn returns true if at least one logger is WARN
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func IsWarn() bool {
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return GetLevel() <= WARN
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}
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// Error records error log
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func Error(format string, v ...interface{}) {
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Log(1, ERROR, format, v...)
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}
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// ErrorWithSkip records error log from "skip" calls back from this function
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func ErrorWithSkip(skip int, format string, v ...interface{}) {
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Log(skip+1, ERROR, format, v...)
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}
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// IsError returns true if at least one logger is ERROR
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func IsError() bool {
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return GetLevel() <= ERROR
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}
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// Critical records critical log
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func Critical(format string, v ...interface{}) {
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Log(1, CRITICAL, format, v...)
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}
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// CriticalWithSkip records critical log from "skip" calls back from this function
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func CriticalWithSkip(skip int, format string, v ...interface{}) {
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Log(skip+1, CRITICAL, format, v...)
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}
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// IsCritical returns true if at least one logger is CRITICAL
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func IsCritical() bool {
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return GetLevel() <= CRITICAL
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}
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// Fatal records fatal log and exit process
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func Fatal(format string, v ...interface{}) {
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Log(1, FATAL, format, v...)
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Close()
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os.Exit(1)
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}
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// FatalWithSkip records fatal log from "skip" calls back from this function
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func FatalWithSkip(skip int, format string, v ...interface{}) {
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Log(skip+1, FATAL, format, v...)
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Close()
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os.Exit(1)
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}
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// IsFatal returns true if at least one logger is FATAL
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func IsFatal() bool {
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return GetLevel() <= FATAL
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}
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// Pause pauses all the loggers
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func Pause() {
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NamedLoggers.Range(func(key, value interface{}) bool {
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logger := value.(*Logger)
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logger.Pause()
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logger.Flush()
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return true
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})
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}
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// Resume resumes all the loggers
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func Resume() {
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NamedLoggers.Range(func(key, value interface{}) bool {
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logger := value.(*Logger)
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logger.Resume()
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return true
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})
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}
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// ReleaseReopen releases and reopens logging files
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func ReleaseReopen() error {
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var accumulatedErr error
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NamedLoggers.Range(func(key, value interface{}) bool {
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logger := value.(*Logger)
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if err := logger.ReleaseReopen(); err != nil {
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if accumulatedErr == nil {
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accumulatedErr = fmt.Errorf("Error reopening %s: %v", key.(string), err)
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} else {
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accumulatedErr = fmt.Errorf("Error reopening %s: %v & %v", key.(string), err, accumulatedErr)
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}
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}
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return true
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})
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return accumulatedErr
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}
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// Close closes all the loggers
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func Close() {
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l, ok := NamedLoggers.Load(DEFAULT)
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if !ok {
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return
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}
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NamedLoggers.Delete(DEFAULT)
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l.Close()
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}
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// Log a message with defined skip and at logging level
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// A skip of 0 refers to the caller of this command
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func Log(skip int, level Level, format string, v ...interface{}) {
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l, ok := NamedLoggers.Load(DEFAULT)
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if ok {
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l.Log(skip+1, level, format, v...)
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}
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}
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// LoggerAsWriter is a io.Writer shim around the gitea log
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type LoggerAsWriter struct {
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ourLoggers []*Logger
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level Level
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}
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// NewLoggerAsWriter creates a Writer representation of the logger with setable log level
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func NewLoggerAsWriter(level string, ourLoggers ...*Logger) *LoggerAsWriter {
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if len(ourLoggers) == 0 {
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l, _ := NamedLoggers.Load(DEFAULT)
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ourLoggers = []*Logger{l}
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}
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l := &LoggerAsWriter{
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ourLoggers: ourLoggers,
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level: FromString(level),
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}
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return l
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}
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// Write implements the io.Writer interface to allow spoofing of macaron
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func (l *LoggerAsWriter) Write(p []byte) (int, error) {
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for _, logger := range l.ourLoggers {
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// Skip = 3 because this presumes that we have been called by log.Println()
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// If the caller has used log.Output or the like this will be wrong
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logger.Log(3, l.level, string(p))
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}
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return len(p), nil
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}
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// Log takes a given string and logs it at the set log-level
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func (l *LoggerAsWriter) Log(msg string) {
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for _, logger := range l.ourLoggers {
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// Set the skip to reference the call just above this
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_ = logger.Log(1, l.level, msg)
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}
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}
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func init() {
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_, filename, _, _ := runtime.Caller(0)
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prefix = strings.TrimSuffix(filename, "modules/log/log.go")
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}
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