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* Vendor nats-io/nats * Use NATS for shortcut reports. * Review feedback. * Rejig shortcut subscriptions, so they work. * Review feedback
105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
// Copyright 2012-2015 Apcera Inc. All rights reserved.
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package server
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import (
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"sync"
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"sync/atomic"
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)
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// Package globals for performance checks
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var trace int32
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var debug int32
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var log = struct {
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sync.Mutex
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logger Logger
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}{}
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// Logger interface of the NATS Server
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type Logger interface {
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// Log a notice statement
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Noticef(format string, v ...interface{})
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// Log a fatal error
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Fatalf(format string, v ...interface{})
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// Log an error
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Errorf(format string, v ...interface{})
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// Log a debug statement
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Debugf(format string, v ...interface{})
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// Log a trace statement
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Tracef(format string, v ...interface{})
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}
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// SetLogger sets the logger of the server
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func (s *Server) SetLogger(logger Logger, debugFlag, traceFlag bool) {
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if debugFlag {
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atomic.StoreInt32(&debug, 1)
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}
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if traceFlag {
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atomic.StoreInt32(&trace, 1)
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}
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log.Lock()
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log.logger = logger
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log.Unlock()
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}
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// Noticef logs a notice statement
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func Noticef(format string, v ...interface{}) {
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executeLogCall(func(logger Logger, format string, v ...interface{}) {
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logger.Noticef(format, v...)
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}, format, v...)
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}
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// Errorf logs an error
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func Errorf(format string, v ...interface{}) {
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executeLogCall(func(logger Logger, format string, v ...interface{}) {
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logger.Errorf(format, v...)
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}, format, v...)
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}
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// Fatalf logs a fatal error
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func Fatalf(format string, v ...interface{}) {
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executeLogCall(func(logger Logger, format string, v ...interface{}) {
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logger.Fatalf(format, v...)
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}, format, v...)
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}
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// Debugf logs a debug statement
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func Debugf(format string, v ...interface{}) {
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if atomic.LoadInt32(&debug) == 0 {
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return
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}
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executeLogCall(func(logger Logger, format string, v ...interface{}) {
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logger.Debugf(format, v...)
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}, format, v...)
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}
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// Tracef logs a trace statement
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func Tracef(format string, v ...interface{}) {
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if atomic.LoadInt32(&trace) == 0 {
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return
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}
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executeLogCall(func(logger Logger, format string, v ...interface{}) {
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logger.Tracef(format, v...)
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}, format, v...)
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}
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func executeLogCall(f func(logger Logger, format string, v ...interface{}), format string, args ...interface{}) {
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log.Lock()
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defer log.Unlock()
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if log.logger == nil {
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return
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}
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f(log.logger, format, args...)
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}
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