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Maybe handle syncing after repeated dis/connections better

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Tulir Asokan 2021-02-10 12:13:18 +02:00
parent 394da69a69
commit db2793c5e1
1 changed files with 16 additions and 2 deletions
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18
user.go
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@ -176,8 +176,8 @@ func (bridge *Bridge) NewUser(dbUser *database.User) *User {
IsRelaybot: false,
chatListReceived: make(chan struct{}, 1),
syncPortalsDone: make(chan struct{}, 1),
chatListReceived: make(chan struct{}),
syncPortalsDone: make(chan struct{}),
syncStart: make(chan struct{}, 1),
messageInput: make(chan PortalMessage),
messageOutput: make(chan PortalMessage, bridge.Config.Bridge.UserMessageBuffer),
@ -451,6 +451,10 @@ func (user *User) PostLogin() {
user.bridge.Metrics.TrackLoginState(user.JID, true)
user.bridge.Metrics.TrackBufferLength(user.MXID, 0)
user.log.Debugln("Locking processing of incoming messages and starting post-login sync")
// TODO can an old sync still be ongoing when PostLogin is called again?
// TODO 2: can the new sync happen before this happens?
user.chatListReceived = make(chan struct{})
user.syncPortalsDone = make(chan struct{})
user.syncWait.Add(1)
user.syncStart <- struct{}{}
go user.intPostLogin(user.Conn)
@ -593,6 +597,8 @@ func (user *User) HandleChatList(chats []whatsapp.Chat) {
}
func (user *User) syncPortals(chatMap map[string]whatsapp.Chat, createAll bool) {
// TODO use contexts instead of checking if user.Conn is the same?
connAtStart := user.Conn
if chatMap == nil {
chatMap = user.Conn.Store.Chats
}
@ -633,6 +639,10 @@ func (user *User) syncPortals(chatMap map[string]whatsapp.Chat, createAll bool)
if limit < 0 {
limit = len(chats)
}
if user.Conn != connAtStart {
user.log.Debugln("Connection seems to have changed before sync, cancelling")
return
}
now := uint64(time.Now().Unix())
user.log.Infoln("Syncing portals")
for i, chat := range chats {
@ -651,6 +661,10 @@ func (user *User) syncPortals(chatMap map[string]whatsapp.Chat, createAll bool)
}
}
}
if user.Conn != connAtStart {
user.log.Debugln("Connection seems to have changed during sync, cancelling")
return
}
user.UpdateDirectChats(nil)
user.log.Infoln("Finished syncing portals")
select {