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- // Copyright 2023 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package log
-
- import (
- "io"
- "net"
- )
-
- type WriterConnOption struct {
- Addr string
- Protocol string
- Reconnect bool
- ReconnectOnMsg bool
- }
-
- type eventWriterConn struct {
- *EventWriterBaseImpl
- connWriter connWriter
- }
-
- var _ EventWriter = (*eventWriterConn)(nil)
-
- func NewEventWriterConn(writerName string, writerMode WriterMode) EventWriter {
- w := &eventWriterConn{EventWriterBaseImpl: NewEventWriterBase(writerName, "conn", writerMode)}
- opt := writerMode.WriterOption.(WriterConnOption)
- w.connWriter = connWriter{
- ReconnectOnMsg: opt.ReconnectOnMsg,
- Reconnect: opt.Reconnect,
- Net: opt.Protocol,
- Addr: opt.Addr,
- }
- w.OutputWriteCloser = &w.connWriter
- return w
- }
-
- func init() {
- RegisterEventWriter("conn", NewEventWriterConn)
- }
-
- // below is copied from old code
-
- type connWriter struct {
- innerWriter io.WriteCloser
-
- ReconnectOnMsg bool
- Reconnect bool
- Net string `json:"net"`
- Addr string `json:"addr"`
- }
-
- var _ io.WriteCloser = (*connWriter)(nil)
-
- // Close the inner writer
- func (i *connWriter) Close() error {
- if i.innerWriter != nil {
- return i.innerWriter.Close()
- }
- return nil
- }
-
- // Write the data to the connection
- func (i *connWriter) Write(p []byte) (int, error) {
- if i.neededConnectOnMsg() {
- if err := i.connect(); err != nil {
- return 0, err
- }
- }
-
- if i.ReconnectOnMsg {
- defer i.innerWriter.Close()
- }
-
- return i.innerWriter.Write(p)
- }
-
- func (i *connWriter) neededConnectOnMsg() bool {
- if i.Reconnect {
- i.Reconnect = false
- return true
- }
-
- if i.innerWriter == nil {
- return true
- }
-
- return i.ReconnectOnMsg
- }
-
- func (i *connWriter) connect() error {
- if i.innerWriter != nil {
- _ = i.innerWriter.Close()
- i.innerWriter = nil
- }
-
- conn, err := net.Dial(i.Net, i.Addr)
- if err != nil {
- return err
- }
-
- if tcpConn, ok := conn.(*net.TCPConn); ok {
- err = tcpConn.SetKeepAlive(true)
- if err != nil {
- return err
- }
- }
-
- i.innerWriter = conn
- return nil
- }
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