//serverListener listens for messages from the IRC server.
//When one is receives, it sends the message into the msg channel.
func serverListener(ircConn irc.Conn, msgChan chan<- irc.Message, errChan chan<- error, quitChan <-chan bool) {
for {
select {
case <-quitChan:
return
default:
msg, err := ircConn.Read()
if err != nil {
errChan <- err
return
}
msgChan <- msg
}
}
}
//Join adds a webclient to the list of active clients. It blocks until webclient socket closes or chat ends
func (c ircchat) Join(sessionID string, webclient irc.Conn) error {
if !c.Active() {
return errors.New("The chat session is not active or enabled. Check settings")
}
webclient.Write(irc.NickMessage(c.settings.Login.Nick))
//Send open channels to client
for _, ch := range c.client.ChannelNames() {
webclient.Write(irc.JoinMessage(ch))
//Send users in the rooms as a names reply commands (353 to indicate start, 366 to indicate end)
//Webclient doesn't care about length, but a traditional IRC client will
//TODO: Indicate if channel is public, private or secret ( "=" / "*" / "@" ), current sends as pub
//:tepper.freenode.net 353 goirctest @ #gotest :goirctest @Oooska
//:tepper.freenode.net 366 goirctest #gotest :End of /NAMES list.
users, _ := c.client.Users(ch)
namesRepl := fmt.Sprintf("353 %s = %s :%s", c.settings.Login.Nick, ch, strings.Join(users, " "))
namesEndRepl := fmt.Sprintf("366 %s %s", c.settings.Login.Nick, ch)
webclient.Write(irc.NewMessage(namesRepl))
webclient.Write(irc.NewMessage(namesEndRepl))
messages, err := persistenceInstance.messages(c.account, ch, time.Now(), 200)
if err != nil {
log.Printf("Error retrieving message logs: %s", err.Error())
}
for _, msg := range messages {
webclient.Write(msg)
}
}
//Register as a listener
c.registerClient(sessionID, webclient)
for {
select {
case <-c.quit:
fmt.Println("Exiting ircClientListener")
return errors.New("IRC Session has ended")
default:
msg, err := webclient.Read()
if err != nil {
c.unregisterClient(sessionID)
return err
}
c.toServer <- clientMessage{SessionID: sessionID, Message: msg}
}
}
}