373 lines
8.6 KiB
Go
373 lines
8.6 KiB
Go
package logging
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import (
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"errors"
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"fmt"
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"sync"
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"r00t2.io/goutils/multierr"
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)
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// Setup sets up/configures a MultiLogger (and all its MultiLogger.Loggers) and prepares it for use.
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func (m *MultiLogger) Setup() (err error) {
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var wg sync.WaitGroup
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var errs *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logger Logger, lName string) {
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var err2 error
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defer wg.Done()
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if err2 = logger.Setup(); err2 != nil {
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errs.AddError(errors.New(fmt.Sprintf("error on Setup for logger %v; follows (may be out of order):", lName)))
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errs.AddError(err2)
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err2 = nil
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}
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}(l, logName)
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}
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wg.Wait()
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if errs.Count() > 0 {
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err = errs
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return
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}
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return
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}
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// Shutdown cleanly shuts down a MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Shutdown() (err error) {
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var wg sync.WaitGroup
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var errs *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logger Logger, lName string) {
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var err2 error
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defer wg.Done()
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if err2 = logger.Shutdown(); err2 != nil {
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errs.AddError(errors.New(fmt.Sprintf("error on Shutdown for logger %v; follows (may be out of order):", lName)))
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errs.AddError(err2)
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err2 = nil
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}
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}(l, logName)
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}
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wg.Wait()
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if errs.Count() > 0 {
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err = errs
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return
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}
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return
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}
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/*
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GetPrefix returns the prefix used by this MultiLogger (and all its MultiLogger.Loggers).
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err will always be nil; it's there for interface-compat.
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*/
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func (m *MultiLogger) GetPrefix() (prefix string, err error) {
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prefix = m.Prefix
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return
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}
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/*
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DoDebug sets the debug state of this MultiLogger (and all its MultiLogger.Loggers).
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Note that this merely acts as a *safety filter* for debug messages to avoid sensitive information being written to the log.
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If you had a logger-specific EnableDebug set, you will need to re-set it to your desired state after running this method.
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*/
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func (m *MultiLogger) DoDebug(d bool) (err error) {
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var wg sync.WaitGroup
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var errs *multierr.MultiError = multierr.NewMultiError(nil)
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m.EnableDebug = d
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logger Logger, lName string) {
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var err2 error
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defer wg.Done()
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if err2 = l.DoDebug(d); err2 != nil {
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errs.AddError(errors.New(fmt.Sprintf("error on DoDebug for logger %v; follows (may be out of order):", lName)))
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errs.AddError(err2)
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err2 = nil
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}
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}(l, logName)
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}
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wg.Wait()
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if errs.Count() > 0 {
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err = errs
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return
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}
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return
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}
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// GetDebug returns the debug status of this MultiLogger.
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func (m *MultiLogger) GetDebug() (d bool) {
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d = m.EnableDebug
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return
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}
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/*
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SetPrefix sets the prefix for this MultiLogger (and all its MultiLogger.Loggers).
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If you had a logger-specific Prefix set, you will need to re-set it to your desired prefix after running this method.
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*/
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func (m *MultiLogger) SetPrefix(prefix string) (err error) {
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var wg sync.WaitGroup
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var errs *multierr.MultiError = multierr.NewMultiError(nil)
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m.Prefix = prefix
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logger Logger, lName string) {
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var err2 error
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defer wg.Done()
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if err2 = l.SetPrefix(prefix); err != nil {
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errs.AddError(errors.New(fmt.Sprintf("error on SetPrefix for logger %v; follows (may be out of order):", lName)))
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errs.AddError(err2)
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err2 = nil
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}
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}(l, logName)
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}
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wg.Wait()
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if errs.Count() > 0 {
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err = errs
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return
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}
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return
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}
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// Alert writes an ALERT-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Alert(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Alert(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Alert for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Crit writes an CRITICAL-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Crit(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Crit(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Crit for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Debug writes a DEBUG-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Debug(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Debug(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Debug for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Emerg writes an EMERGENCY-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Emerg(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Emerg(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Emerg for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Err writes an ERROR-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Err(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Err(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Err for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Info writes an INFO-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Info(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Info(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Info for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Notice writes a NOTICE-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Notice(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Notice(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Notice for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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// Warning writes a WARNING/WARN-level message to this MultiLogger (and all its MultiLogger.Loggers).
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func (m *MultiLogger) Warning(s string, v ...interface{}) (err error) {
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var wg sync.WaitGroup
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var e *multierr.MultiError = multierr.NewMultiError(nil)
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for logName, l := range m.Loggers {
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wg.Add(1)
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go func(logObj Logger, msg, lName string, rplc ...interface{}) {
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defer wg.Done()
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if err = logObj.Warning(msg, rplc...); err != nil {
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e.AddError(errors.New(fmt.Sprintf("error on Warning for logger %v; follows (may be out of order):", lName)))
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e.AddError(err)
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err = nil
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}
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}(l, s, logName, v...)
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}
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wg.Wait()
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if !e.IsEmpty() {
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err = e
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}
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return
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}
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