// If the logger is a file based logger, close and re-open the file.
// This allows for file rotation by 'mv'ing the file then signalling
// the process to trigger this function.
func (s *Server) ReOpenLogFile() {
// Check to make sure this is a file logger.
log.Lock()
ll := log.logger
log.Unlock()
if ll == nil {
Noticef("File log re-open ignored, no logger")
return
}
if s.opts.LogFile == "" {
Noticef("File log re-open ignored, not a file logger")
} else {
fileLog := logger.NewFileLogger(s.opts.LogFile,
s.opts.Logtime, s.opts.Debug, s.opts.Trace, true)
s.SetLogger(fileLog, s.opts.Debug, s.opts.Trace)
Noticef("File log re-opened")
}
}
func GetLogger(logfile, rsyslog string, syslog, debug, trace bool) (log server.Logger) {
if logfile != "" {
log = logger.NewFileLogger(logfile, true, debug, trace, true)
} else if rsyslog != "" {
log = logger.NewRemoteSysLogger(rsyslog, debug, trace)
} else if syslog {
log = logger.NewSysLogger(debug, trace)
} else {
colors := true
// Check to see if stderr is being redirected and if so turn off color
// Also turn off colors if we're running on Windows where os.Stderr.Stat() returns an invalid handle-error
stat, err := os.Stderr.Stat()
if err != nil || (stat.Mode()&os.ModeCharDevice) == 0 {
colors = false
}
log = logger.NewStdLogger(true, debug, trace, colors, true)
}
return
}
func configureLogger(s *server.Server, opts *server.Options) {
var log server.Logger
if opts.LogFile != "" {
log = logger.NewFileLogger(opts.LogFile, opts.Logtime, opts.Debug, opts.Trace, true)
} else if opts.RemoteSyslog != "" {
log = logger.NewRemoteSysLogger(opts.RemoteSyslog, opts.Debug, opts.Trace)
} else if opts.Syslog {
log = logger.NewSysLogger(opts.Debug, opts.Trace)
} else {
colors := true
// Check to see if stderr is being redirected and if so turn off color
// Also turn off colors if we're running on Windows where os.Stderr.Stat() returns an invalid handle-error
stat, err := os.Stderr.Stat()
if err != nil || (stat.Mode()&os.ModeCharDevice) == 0 {
colors = false
}
log = logger.NewStdLogger(opts.Logtime, opts.Debug, opts.Trace, colors, true)
}
s.SetLogger(log, opts.Debug, opts.Trace)
}
