1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
package main
import (
"log/slog"
)
func init() {
commandHandlers["NICK"] = handleClientNick
}
func handleClientNick(msg RMsg, client *Client) bool {
if len(msg.Params) < 1 {
client.Send(MakeMsg(self, ERR_NEEDMOREPARAMS, "NICK", "Not enough parameters"))
return true
}
already, exists := nickToClient.LoadOrStore(msg.Params[0], client)
if exists {
if already != client {
client.Send(MakeMsg(self, ERR_NICKNAMEINUSE, client.Nick, msg.Params[0], "Nickname is already in use"))
}
} else {
if client.State == ClientStateRegistered {
if !nickToClient.CompareAndDelete(client.Nick, client) {
slog.Error("nick inconsistent", "nick", client.Nick, "client", client)
return false
}
client.Send(MakeMsg(client, "NICK", msg.Params[0]))
}
client.Nick = msg.Params[0]
}
if client.State == ClientStatePreRegistration {
client.checkRegistration()
}
return true
}
|
