mirror of https://github.com/go-gitea/gitea.git
112 lines
2.0 KiB
Go
112 lines
2.0 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package log
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import (
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"io"
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"net"
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)
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type WriterConnOption struct {
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Addr string
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Protocol string
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Reconnect bool
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ReconnectOnMsg bool
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}
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type eventWriterConn struct {
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*EventWriterBaseImpl
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connWriter connWriter
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}
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var _ EventWriter = (*eventWriterConn)(nil)
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func NewEventWriterConn(writerName string, writerMode WriterMode) EventWriter {
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w := &eventWriterConn{EventWriterBaseImpl: NewEventWriterBase(writerName, "conn", writerMode)}
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opt := writerMode.WriterOption.(WriterConnOption)
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w.connWriter = connWriter{
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ReconnectOnMsg: opt.ReconnectOnMsg,
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Reconnect: opt.Reconnect,
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Net: opt.Protocol,
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Addr: opt.Addr,
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}
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w.OutputWriteCloser = &w.connWriter
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return w
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}
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func init() {
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RegisterEventWriter("conn", NewEventWriterConn)
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}
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// below is copied from old code
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type connWriter struct {
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innerWriter io.WriteCloser
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ReconnectOnMsg bool
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Reconnect bool
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Net string `json:"net"`
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Addr string `json:"addr"`
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}
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var _ io.WriteCloser = (*connWriter)(nil)
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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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// 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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if i.ReconnectOnMsg {
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defer i.innerWriter.Close()
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}
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return i.innerWriter.Write(p)
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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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if i.innerWriter == nil {
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return true
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}
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return i.ReconnectOnMsg
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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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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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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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i.innerWriter = conn
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return nil
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}
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