goircd/log.go

73 lines
1.6 KiB
Go

/*
goircd -- minimalistic simple Internet Relay Chat (IRC) server
Copyright (C) 2014-2020 Sergey Matveev <stargrave@stargrave.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"fmt"
"log"
"os"
"path"
"time"
)
const (
FormatMsg = "[%s] <%s> %s\n"
FormatMeta = "[%s] * %s %s\n"
)
var logSink chan LogEvent = make(chan LogEvent)
type LogEvent struct {
where string
who string
what string
meta bool
}
func Logger(logdir string, events <-chan LogEvent) {
mode := os.O_CREATE | os.O_WRONLY | os.O_APPEND
perm := os.FileMode(permLogFile)
var format string
var logfile string
var fd *os.File
var err error
for event := range events {
logfile = path.Join(logdir, event.where+".log")
fd, err = os.OpenFile(logfile, mode, perm)
if err != nil {
log.Println("can not open logfile", logfile, err)
continue
}
if event.meta {
format = FormatMeta
} else {
format = FormatMsg
}
_, err = fd.WriteString(fmt.Sprintf(
format,
time.Now().Format(time.RFC3339),
event.who,
event.what,
))
fd.Close()
if err != nil {
log.Println("error writing to logfile", logfile, err)
}
}
}