mirror of
https://github.com/etcd-io/etcd.git
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63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
// Copyright 2013, Cong Ding. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// author: Cong Ding <dinggnu@gmail.com>
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//
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package logging
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import (
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"errors"
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"fmt"
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"strings"
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)
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// pre-defined formats
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const (
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BasicFormat = "%s [%6s] %30s - %s\n name,levelname,time,message"
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RichFormat = "%s [%6s] %d %30s - %d - %s:%s:%d - %s\n name, levelname, seqid, time, thread, filename, funcname, lineno, message"
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)
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// genLog generates log string from the format setting.
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func (logger *Logger) genLog(level Level, message string) string {
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fs := make([]interface{}, len(logger.recordArgs))
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r := new(record)
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r.message = message
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r.level = level
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for k, v := range logger.recordArgs {
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fs[k] = fields[v](logger, r)
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}
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return fmt.Sprintf(logger.recordFormat, fs...)
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}
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// parseFormat checks the legality of format and parses it to recordFormat and recordArgs
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func (logger *Logger) parseFormat(format string) error {
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logger.runtime = false
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fts := strings.Split(format, "\n")
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if len(fts) != 2 {
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return errors.New("logging format error")
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}
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logger.recordFormat = fts[0]
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logger.recordArgs = strings.Split(fts[1], ",")
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for k, v := range logger.recordArgs {
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tv := strings.TrimSpace(v)
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_, ok := fields[tv]
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if ok == false {
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return errors.New("logging format error")
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}
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logger.recordArgs[k] = tv
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logger.runtime = logger.runtime || runtimeFields[tv]
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}
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return nil
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}
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