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133 lines
3.5 KiB
133 lines
3.5 KiB
// Copyright 2014 beego Author. 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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package logs
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import (
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"encoding/json"
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)
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// A filesLogWriter manages several fileLogWriter
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// filesLogWriter will write logs to the file in json configuration and write the same level log to correspond file
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// means if the file name in configuration is project.log filesLogWriter will create project.error.log/project.debug.log
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// and write the error-level logs to project.error.log and write the debug-level logs to project.debug.log
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// the rotate attribute also acts like fileLogWriter
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type multiFileLogWriter struct {
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writers [LevelDebug + 1 + 1]*fileLogWriter // the last one for fullLogWriter
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fullLogWriter *fileLogWriter
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Separate []string `json:"separate"`
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}
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var levelNames = [...]string{"emergency", "alert", "critical", "error", "warning", "notice", "info", "debug"}
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// Init file logger with json config.
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// jsonConfig like:
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// {
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// "filename":"logs/beego.log",
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// "maxLines":0,
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// "maxsize":0,
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// "daily":true,
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// "maxDays":15,
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// "rotate":true,
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// "perm":0600,
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// "separate":["emergency", "alert", "critical", "error", "warning", "notice", "info", "debug"],
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// }
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func (f *multiFileLogWriter) Init(config string) error {
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writer := newFileWriter().(*fileLogWriter)
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err := writer.Init(config)
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if err != nil {
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return err
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}
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f.fullLogWriter = writer
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f.writers[LevelDebug+1] = writer
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// unmarshal "separate" field to f.Separate
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err = json.Unmarshal([]byte(config), f)
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if err != nil {
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return err
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}
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jsonMap := map[string]interface{}{}
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err = json.Unmarshal([]byte(config), &jsonMap)
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if err != nil {
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return err
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}
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for i := LevelEmergency; i < LevelDebug+1; i++ {
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for _, v := range f.Separate {
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if v == levelNames[i] {
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jsonMap["filename"] = f.fullLogWriter.fileNameOnly + "." + levelNames[i] + f.fullLogWriter.suffix
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jsonMap["level"] = i
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bs, _ := json.Marshal(jsonMap)
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writer = newFileWriter().(*fileLogWriter)
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err := writer.Init(string(bs))
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if err != nil {
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return err
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}
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f.writers[i] = writer
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}
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}
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}
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return nil
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}
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func (*multiFileLogWriter) Format(lm *LogMsg) string {
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return lm.OldStyleFormat()
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}
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func (f *multiFileLogWriter) SetFormatter(fmt LogFormatter) {
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f.fullLogWriter.SetFormatter(fmt)
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}
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func (f *multiFileLogWriter) Destroy() {
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for i := 0; i < len(f.writers); i++ {
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if f.writers[i] != nil {
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f.writers[i].Destroy()
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}
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}
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}
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func (f *multiFileLogWriter) WriteMsg(lm *LogMsg) error {
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if f.fullLogWriter != nil {
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f.fullLogWriter.WriteMsg(lm)
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}
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for i := 0; i < len(f.writers)-1; i++ {
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if f.writers[i] != nil {
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if lm.Level == f.writers[i].Level {
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f.writers[i].WriteMsg(lm)
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}
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}
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}
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return nil
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}
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func (f *multiFileLogWriter) Flush() {
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for i := 0; i < len(f.writers); i++ {
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if f.writers[i] != nil {
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f.writers[i].Flush()
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}
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}
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}
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// newFilesWriter create a FileLogWriter returning as LoggerInterface.
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func newFilesWriter() Logger {
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res := &multiFileLogWriter{}
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return res
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}
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func init() {
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Register(AdapterMultiFile, newFilesWriter)
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}
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