3 KiB
Reconnecting
HomeServerApi notifies Reconnector of network call failure
Reconnector listens for online/offline event
Reconnector polls /versions with a RetryDelay (implemented as ExponentialRetryDelay, also used by SendScheduler if no retry_after_ms is given)
Reconnector emits an event when sync and message sending should retry
Sync listen to Reconnector
Sync notifies when the catchup sync has happened
Reconnector has state:
- disconnected (and retrying at x seconds from timestamp)
- reconnecting (call /versions, and if successful /sync)
- connected
Reconnector has a method to try to connect now
SessionStatus can be:
- disconnected (and retrying at x seconds from timestamp)
- reconnecting
- connected (and syncing)
- doing catchup sync
- sending x / y messages
rooms should report how many messages they have queued up, and each time they sent one?
SendReporter (passed from Session to Room, passed down to SendQueue), with:
- setPendingEventCount(roomId, count). This should probably use the generic Room updating mechanism, e.g. a pendingMessageCount on Room that is updated. Then session listens for this in
_roomUpdateCallback.
Session listens to Reconnector to update it's status, but perhaps we wait to send messages until catchup sync is done
TODO
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DONE: finish (Base)ObservableValue
- put in own file
- add waitFor (won't this leak if the promise never resolves?)
- decide whether we want to inherit (no?)
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cleanup Reconnector with recent changes, move generic code, make imports work
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add SyncStatus as ObservableValue of enum in Sync
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show load progress in LoginView/SessionPickView and do away with loading screen
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change main.js to pass in a creation function of a SessionContainer instead of everything it is replacing
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adjust BrawlViewModel, SessionPickViewModel and LoginViewModel to use a SessionContainer
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rename SessionsStore to SessionInfoStorage
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make sure we've renamed all *State enums and fields to *Status
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add pendingMessageCount prop to SendQueue and Room, aggregate this in Session
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add completedFirstSync to Sync, so we can check if the catchup or initial sync is still in progress
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update SyncStatusViewModel to use reconnector.connectionStatus, sync.completedFirstSync, session.syncToken (is initial sync?) and session.pendingMessageCount to show these messages:
- disconnected, retrying in x seconds. [try now].
- reconnecting...
- doing catchup sync
- syncing, sending x messages
- syncing
perhaps we will want to put this as an ObservableValue on the SessionContainer ?
NO: When connected, syncing and not sending anything, just hide the thing for now? although when you send messages it will just pop in and out all the time.
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see if it makes sense for SendScheduler to use the same RetryDelay as Reconnector
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finally adjust all file names to their class names? e.g. camel case
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see if we want more dependency injection
- for classes from outside sdk
- for internal sdk classes? probably not yet