goircd/goircd.go

122 lines
3.0 KiB
Go

/*
goircd -- minimalistic simple Internet Relay Chat (IRC) server
Copyright (C) 2014 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, either version 3 of the License, or
(at your option) any later version.
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 (
"bytes"
"flag"
"log"
"net"
"os"
"path"
"path/filepath"
"strings"
)
var (
hostname = flag.String("hostname", "localhost", "Hostname")
bind = flag.String("bind", ":6667", "Address to bind to")
motd = flag.String("motd", "", "Path to MOTD file")
logdir = flag.String("logdir", "", "Absolute path to directory for logs")
statedir = flag.String("statedir", "", "Absolute path to directory for states")
)
func Run() {
var client *Client
events := make(chan ClientEvent)
log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile)
log_sink := make(chan LogEvent)
if *logdir == "" {
// Dummy logger
go func() {
for {
<-log_sink
}
}()
} else {
if !path.IsAbs(*logdir) {
log.Fatalln("Need absolute path for logdir")
return
}
go Logger(*logdir, log_sink)
log.Println(*logdir, "logger initialized")
}
state_sink := make(chan StateEvent)
daemon := NewDaemon(*hostname, *motd, log_sink, state_sink)
if *statedir == "" {
// Dummy statekeeper
go func() {
for {
<-state_sink
}
}()
} else {
if !path.IsAbs(*statedir) {
log.Fatalln("Need absolute path for statedir")
}
states, err := filepath.Glob(*statedir + "/#*")
if err != nil {
log.Fatalln("Can not read statedir", err)
}
for _, state := range states {
fd, err := os.Open(state)
if err != nil {
log.Fatalln("Can not open state", state, err)
}
buf := make([]byte, 1024)
_, err = fd.Read(buf)
fd.Close()
if err != nil {
log.Fatalln("Can not read state", state, err)
}
room, _ := daemon.RoomRegister(path.Base(state))
buf = bytes.TrimRight(buf, "\x00")
contents := strings.Split(string(buf), "\n")
room.topic = contents[0]
room.key = contents[1]
log.Println("Loaded state for room", room.name)
}
go StateKeeper(*statedir, state_sink)
log.Println(*statedir, "statekeeper initialized")
}
listener, err := net.Listen("tcp", *bind)
if err != nil {
log.Fatalln("Can not listen on ", *bind)
}
log.Println("Listening on", *bind)
go daemon.Processor(events)
for {
conn, err := listener.Accept()
if err != nil {
log.Println("Error during accepting connection", err)
continue
}
client = NewClient(*hostname, conn)
go client.Processor(events)
}
}
func main() {
flag.Parse()
Run()
}