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channels: Help prevent issues when join/parting

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This commit is contained in:
Daniel Oaks 2017-04-18 17:19:44 +10:00
parent 4a66771c39
commit f665ebac16
2 changed files with 11 additions and 0 deletions
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2
irc/client.go
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@ -483,9 +483,11 @@ func (client *Client) destroy() {
client.clearMonitorList() client.clearMonitorList()
// clean up channels // clean up channels
client.server.channelJoinPartMutex.Lock()
for channel := range client.channels { for channel := range client.channels {
channel.Quit(client, &friends) channel.Quit(client, &friends)
} }
client.server.channelJoinPartMutex.Unlock()
// clean up server // clean up server
client.server.clients.Remove(client) client.server.clients.Remove(client)

9
irc/server.go
View File

@ -86,6 +86,7 @@ type Server struct {
accounts map[string]*ClientAccount accounts map[string]*ClientAccount
channelRegistrationEnabled bool channelRegistrationEnabled bool
channels ChannelNameMap channels ChannelNameMap
channelJoinPartMutex sync.Mutex // used when joining/parting channels to prevent stomping over each others' access and all
checkIdent bool checkIdent bool
clients *ClientLookupSet clients *ClientLookupSet
commands chan Command commands chan Command
@ -802,6 +803,10 @@ func joinHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
keys = strings.Split(msg.Params[1], ",") keys = strings.Split(msg.Params[1], ",")
} }
// get lock
server.channelJoinPartMutex.Lock()
defer server.channelJoinPartMutex.Unlock()
for i, name := range channels { for i, name := range channels {
casefoldedName, err := CasefoldChannel(name) casefoldedName, err := CasefoldChannel(name)
if err != nil { if err != nil {
@ -838,6 +843,10 @@ func partHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
reason = msg.Params[1] reason = msg.Params[1]
} }
// get lock
server.channelJoinPartMutex.Lock()
defer server.channelJoinPartMutex.Unlock()
for _, chname := range channels { for _, chname := range channels {
casefoldedChannelName, err := CasefoldChannel(chname) casefoldedChannelName, err := CasefoldChannel(chname)
channel := server.channels.Get(casefoldedChannelName) channel := server.channels.Get(casefoldedChannelName)