125 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2014 The Gogs Authors. All rights reserved.
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| // Copyright 2019 The Gitea Authors. All rights reserved.
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| // Use of this source code is governed by a MIT-style
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| // license that can be found in the LICENSE file.
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| 
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| package log
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| 
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| import (
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| 	"encoding/json"
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| 	"io"
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| 	"net"
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| )
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| 
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| type connWriter struct {
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| 	innerWriter    io.WriteCloser
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| 	ReconnectOnMsg bool   `json:"reconnectOnMsg"`
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| 	Reconnect      bool   `json:"reconnect"`
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| 	Net            string `json:"net"`
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| 	Addr           string `json:"addr"`
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| }
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| 
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| // Close the inner writer
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| func (i *connWriter) Close() error {
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| 	if i.innerWriter != nil {
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| 		return i.innerWriter.Close()
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| 	}
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| 	return nil
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| }
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| 
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| // Write the data to the connection
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| func (i *connWriter) Write(p []byte) (int, error) {
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| 	if i.neededConnectOnMsg() {
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| 		if err := i.connect(); err != nil {
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| 			return 0, err
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| 		}
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| 	}
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| 
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| 	if i.ReconnectOnMsg {
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| 		defer i.innerWriter.Close()
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| 	}
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| 
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| 	return i.innerWriter.Write(p)
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| }
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| 
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| func (i *connWriter) neededConnectOnMsg() bool {
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| 	if i.Reconnect {
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| 		i.Reconnect = false
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| 		return true
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| 	}
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| 
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| 	if i.innerWriter == nil {
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| 		return true
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| 	}
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| 
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| 	return i.ReconnectOnMsg
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| }
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| 
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| func (i *connWriter) connect() error {
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| 	if i.innerWriter != nil {
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| 		i.innerWriter.Close()
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| 		i.innerWriter = nil
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| 	}
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| 
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| 	conn, err := net.Dial(i.Net, i.Addr)
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| 	if err != nil {
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| 		return err
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| 	}
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| 
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| 	if tcpConn, ok := conn.(*net.TCPConn); ok {
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| 		err = tcpConn.SetKeepAlive(true)
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| 		if err != nil {
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| 			return err
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| 		}
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| 	}
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| 
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| 	i.innerWriter = conn
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| 	return nil
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| }
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| 
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| // ConnLogger implements LoggerProvider.
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| // it writes messages in keep-live tcp connection.
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| type ConnLogger struct {
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| 	WriterLogger
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| 	ReconnectOnMsg bool   `json:"reconnectOnMsg"`
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| 	Reconnect      bool   `json:"reconnect"`
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| 	Net            string `json:"net"`
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| 	Addr           string `json:"addr"`
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| }
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| 
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| // NewConn creates new ConnLogger returning as LoggerProvider.
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| func NewConn() LoggerProvider {
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| 	conn := new(ConnLogger)
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| 	conn.Level = TRACE
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| 	return conn
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| }
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| 
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| // Init inits connection writer with json config.
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| // json config only need key "level".
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| func (log *ConnLogger) Init(jsonconfig string) error {
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| 	err := json.Unmarshal([]byte(jsonconfig), log)
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| 	if err != nil {
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| 		return err
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| 	}
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| 	log.NewWriterLogger(&connWriter{
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| 		ReconnectOnMsg: log.ReconnectOnMsg,
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| 		Reconnect:      log.Reconnect,
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| 		Net:            log.Net,
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| 		Addr:           log.Addr,
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| 	}, log.Level)
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| 	return nil
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| }
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| 
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| // Flush does nothing for this implementation
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| func (log *ConnLogger) Flush() {
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| }
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| 
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| // GetName returns the default name for this implementation
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| func (log *ConnLogger) GetName() string {
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| 	return "conn"
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| }
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| 
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| func init() {
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| 	Register("conn", NewConn)
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| }
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