Method OutPut

zlog/logger_core.go:197–240

OutPut outputs log file, the original method

(level int, s string)

// OutPut outputs log file, the original method
func (log *ZinxLoggerCore) OutPut(level int, s string) error {
	now := time.Now() // get current time
	var file string   // file name of the current caller of the log interface
	var line int      // line number of the executed code
	log.mu.Lock()
	defer log.mu.Unlock()

	if log.flag&(BitShortFile|BitLongFile) != 0 {
		log.mu.Unlock()
		var ok bool
		// get the file name and line number of the current caller
		_, file, line, ok = runtime.Caller(log.calldDepth)
		if !ok {
			file = "unknown-file"
			line = 0
		}
		log.mu.Lock()
	}

	// reset buffer
	log.buf.Reset()
	// write log header
	log.formatHeader(now, file, line, level)
	// write log content
	log.buf.WriteString(s)
	// add line break
	if len(s) > 0 && s[len(s)-1] != '\n' {
		log.buf.WriteByte('\n')
	}

	var err error
	if log.fw == nil {
		// if log file is not set, output to console
		_, _ = os.Stderr.Write(log.buf.Bytes())
	} else {
		// write the filled buffer to IO output
		_, err = log.fw.Write(log.buf.Bytes())
	}

	if log.onLogHook != nil {
		log.onLogHook(log.buf.Bytes())
	}
	return err
}

func (log *ZinxLoggerCore) verifyLogIsolation(logLevel int) bool {
	return log.isolationLevel > logLevel