"regexp"
"sort"
"strings"
+ "sync"
)
var (
RERoom = regexp.MustCompile("^#[^\x00\x07\x0a\x0d ,:/]{1,200}$")
-
- rooms map[string]*Room = make(map[string]*Room)
-
- roomSinks map[*Room]chan ClientEvent = make(map[*Room]chan ClientEvent)
)
// Sanitize room's name. It can consist of 1 to 50 ASCII symbols
topic *string
key *string
members map[*Client]struct{}
+ sync.RWMutex
}
-func (room Room) String() string {
- return *room.name
+func (room *Room) String() (name string) {
+ room.RLock()
+ name = *room.name
+ room.RUnlock()
+ return
}
func NewRoom(name string) *Room {
}
func (room *Room) SendTopic(client *Client) {
+ room.RLock()
if *room.topic == "" {
- client.ReplyNicknamed("331", *room.name, "No topic is set")
+ client.ReplyNicknamed("331", room.String(), "No topic is set")
} else {
- client.ReplyNicknamed("332", *room.name, *room.topic)
+ client.ReplyNicknamed("332", room.String(), *room.topic)
}
+ room.RUnlock()
}
// Send message to all room's subscribers, possibly excluding someone.
func (room *Room) Broadcast(msg string, clientToIgnore ...*Client) {
+ room.RLock()
for member := range room.members {
if (len(clientToIgnore) > 0) && member == clientToIgnore[0] {
continue
}
member.Msg(msg)
}
+ room.RUnlock()
}
func (room *Room) StateSave() {
- stateSink <- StateEvent{*room.name, *room.topic, *room.key}
+ room.RLock()
+ stateSink <- StateEvent{room.String(), *room.topic, *room.key}
+ room.RUnlock()
}
func (room *Room) Processor(events <-chan ClientEvent) {
roomsGroup.Done()
return
case EventNew:
+ room.Lock()
room.members[client] = struct{}{}
if *verbose {
log.Println(client, "joined", room.name)
}
+ room.Unlock()
room.SendTopic(client)
- room.Broadcast(fmt.Sprintf(":%s JOIN %s", client, *room.name))
- logSink <- LogEvent{*room.name, *client.nickname, "joined", true}
+ room.Broadcast(fmt.Sprintf(":%s JOIN %s", client, room.String()))
+ logSink <- LogEvent{room.String(), *client.nickname, "joined", true}
nicknames := make([]string, 0)
+ room.RLock()
for member := range room.members {
nicknames = append(nicknames, *member.nickname)
}
+ room.RUnlock()
sort.Strings(nicknames)
- client.ReplyNicknamed("353", "=", *room.name, strings.Join(nicknames, " "))
- client.ReplyNicknamed("366", *room.name, "End of NAMES list")
+ client.ReplyNicknamed("353", "=", room.String(), strings.Join(nicknames, " "))
+ client.ReplyNicknamed("366", room.String(), "End of NAMES list")
case EventDel:
+ room.RLock()
if _, subscribed := room.members[client]; !subscribed {
- client.ReplyNicknamed("442", *room.name, "You are not on that channel")
+ client.ReplyNicknamed("442", room.String(), "You are not on that channel")
+ room.RUnlock()
continue
}
+ room.RUnlock()
+ room.Lock()
delete(room.members, client)
- msg := fmt.Sprintf(":%s PART %s :%s", client, *room.name, *client.nickname)
+ room.Unlock()
+ room.RLock()
+ msg := fmt.Sprintf(":%s PART %s :%s", client, room.String(), *client.nickname)
room.Broadcast(msg)
- logSink <- LogEvent{*room.name, *client.nickname, "left", true}
+ logSink <- LogEvent{room.String(), *client.nickname, "left", true}
+ room.RUnlock()
case EventTopic:
+ room.RLock()
if _, subscribed := room.members[client]; !subscribed {
- client.ReplyParts("442", *room.name, "You are not on that channel")
+ client.ReplyParts("442", room.String(), "You are not on that channel")
+ room.RUnlock()
continue
}
if event.text == "" {
room.SendTopic(client)
+ room.RUnlock()
continue
}
+ room.RUnlock()
topic := strings.TrimLeft(event.text, ":")
+ room.Lock()
room.topic = &topic
- msg := fmt.Sprintf(":%s TOPIC %s :%s", client, *room.name, *room.topic)
+ room.Unlock()
+ room.RLock()
+ msg := fmt.Sprintf(":%s TOPIC %s :%s", client, room.String(), *room.topic)
room.Broadcast(msg)
logSink <- LogEvent{
- *room.name,
+ room.String(),
*client.nickname,
"set topic to " + *room.topic,
true,
}
+ room.RUnlock()
room.StateSave()
case EventWho:
+ room.RLock()
for m := range room.members {
client.ReplyNicknamed(
"352",
- *room.name,
+ room.String(),
*m.username,
m.Host(),
*hostname,
"0 "+*m.realname,
)
}
- client.ReplyNicknamed("315", *room.name, "End of /WHO list")
+ client.ReplyNicknamed("315", room.String(), "End of /WHO list")
+ room.RUnlock()
case EventMode:
+ room.RLock()
if event.text == "" {
mode := "+"
if *room.key != "" {
mode = mode + "k"
}
- client.Msg(fmt.Sprintf("324 %s %s %s", *client.nickname, *room.name, mode))
+ client.Msg(fmt.Sprintf("324 %s %s %s", *client.nickname, room.String(), mode))
+ room.RUnlock()
continue
}
if strings.HasPrefix(event.text, "b") {
- client.ReplyNicknamed("368", *room.name, "End of channel ban list")
+ client.ReplyNicknamed("368", room.String(), "End of channel ban list")
+ room.RUnlock()
continue
}
if strings.HasPrefix(event.text, "-k") || strings.HasPrefix(event.text, "+k") {
if _, subscribed := room.members[client]; !subscribed {
- client.ReplyParts("442", *room.name, "You are not on that channel")
+ client.ReplyParts("442", room.String(), "You are not on that channel")
+ room.RUnlock()
continue
}
} else {
client.ReplyNicknamed("472", event.text, "Unknown MODE flag")
+ room.RUnlock()
continue
}
+ room.RUnlock()
var msg string
var msgLog string
if strings.HasPrefix(event.text, "+k") {
client.ReplyNotEnoughParameters("MODE")
continue
}
+ room.Lock()
room.key = &cols[1]
msg = fmt.Sprintf(":%s MODE %s +k %s", client, *room.name, *room.key)
msgLog = "set channel key to " + *room.key
+ room.Unlock()
} else {
key := ""
+ room.Lock()
room.key = &key
msg = fmt.Sprintf(":%s MODE %s -k", client, *room.name)
+ room.Unlock()
msgLog = "removed channel key"
}
room.Broadcast(msg)
- logSink <- LogEvent{*room.name, *client.nickname, msgLog, true}
+ logSink <- LogEvent{room.String(), *client.nickname, msgLog, true}
room.StateSave()
case EventMsg:
sep := strings.Index(event.text, " ")
":%s %s %s :%s",
client,
event.text[:sep],
- *room.name,
+ room.String(),
event.text[sep+1:]),
client,
)
logSink <- LogEvent{
- *room.name,
+ room.String(),
*client.nickname,
event.text[sep+1:],
false,