log.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package holmes

import (
	mlog "mosn.io/pkg/log"
)

func (h *Holmes) getLogger() mlog.ErrorLogger {
	h.opts.L.RLock()
	defer h.opts.L.RUnlock()
	return h.opts.logger
}

func (h *Holmes) Debugf(format string, args ...interface{}) {
	logger := h.getLogger()
	if logger == nil {
		return
	}
	logger.Debugf(format, args...)
}

func (h *Holmes) Infof(format string, args ...interface{}) {
	logger := h.getLogger()
	if logger == nil {
		return
	}
	logger.Infof(format, args...)
}

func (h *Holmes) Warnf(format string, args ...interface{}) {
	logger := h.getLogger()
	if logger == nil {
		return
	}
	logger.Warnf(format, args...)
}

func (h *Holmes) Errorf(format string, args ...interface{}) {
	logger := h.getLogger()
	if logger == nil {
		return
	}
	logger.Errorf(format, args...)
}

func (h *Holmes) Alertf(alert string, format string, args ...interface{}) {
	logger := h.getLogger()
	if logger == nil {
		return
	}
	logger.Alertf(alert, format, args...)
}

// NewStdLogger create an ErrorLogger interface value that writing to os.Stdout
func NewStdLogger() mlog.ErrorLogger {
	logger, _ := mlog.GetOrCreateLogger("stdout", nil)
	return &mlog.SimpleErrorLog{
		Logger: logger,
		Level:  mlog.DEBUG,
	}
}

func NewFileLog(path string, level mlog.Level) mlog.ErrorLogger {
	logger, _ := mlog.GetOrCreateLogger(path, nil)
	return &mlog.SimpleErrorLog{
		Logger: logger,
		Level:  level,
	}
}