121 lines
3.0 KiB
Go
121 lines
3.0 KiB
Go
/*
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goircd -- minimalistic simple Internet Relay Chat (IRC) server
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Copyright (C) 2014-2017 Sergey Matveev <stargrave@stargrave.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path"
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"time"
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)
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const (
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EventNew = iota
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EventDel = iota
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EventMsg = iota
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EventTopic = iota
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EventWho = iota
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EventMode = iota
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EventTerm = iota
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EventTick = iota
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FormatMsg = "[%s] <%s> %s\n"
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FormatMeta = "[%s] * %s %s\n"
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)
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var (
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logSink chan LogEvent = make(chan LogEvent)
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stateSink chan StateEvent = make(chan StateEvent)
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)
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// Client events going from each of client
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// They can be either NEW, DEL or unparsed MSG
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type ClientEvent struct {
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client *Client
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eventType int
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text string
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}
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func (m ClientEvent) String() string {
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return string(m.eventType) + ": " + m.client.String() + ": " + m.text
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}
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// Logging in-room events
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// Intended to tell when, where and who send a message or meta command
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type LogEvent struct {
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where string
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who string
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what string
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meta bool
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}
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// Logging events logger itself
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// Each room's events are written to separate file in logdir
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// Events include messages, topic and keys changes, joining and leaving
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func Logger(logdir string, events <-chan LogEvent) {
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mode := os.O_CREATE | os.O_WRONLY | os.O_APPEND
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perm := os.FileMode(0660)
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var format string
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var logfile string
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var fd *os.File
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var err error
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for event := range events {
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logfile = path.Join(logdir, event.where+".log")
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fd, err = os.OpenFile(logfile, mode, perm)
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if err != nil {
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log.Println("Can not open logfile", logfile, err)
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continue
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}
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if event.meta {
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format = FormatMeta
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} else {
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format = FormatMsg
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}
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_, err = fd.WriteString(fmt.Sprintf(format, time.Now(), event.who, event.what))
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fd.Close()
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if err != nil {
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log.Println("Error writing to logfile", logfile, err)
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}
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}
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}
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type StateEvent struct {
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where string
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topic string
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key string
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}
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// Room state events saver
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// Room states shows that either topic or key has been changed
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// Each room's state is written to separate file in statedir
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func StateKeeper(statedir string, events <-chan StateEvent) {
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var fn string
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var data string
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var err error
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for event := range events {
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fn = path.Join(statedir, event.where)
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data = event.topic + "\n" + event.key + "\n"
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err = ioutil.WriteFile(fn, []byte(data), os.FileMode(0660))
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if err != nil {
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log.Printf("Can not write statefile %s: %v", fn, err)
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}
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}
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}
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