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Mitigation for gappy/limited sync responses in SPA mode

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This commit is contained in:
Hugh Nimmo-Smith 2024-11-12 13:29:31 +00:00
parent 83fa9661cf
commit aac8fa1059
2 changed files with 22 additions and 1 deletions
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6
src/useReactions.tsx
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@ -184,6 +184,10 @@ export const ReactionsProvider = ({
// This effect handles any *live* reaction/redactions in the room.
useEffect(() => {
const reactionTimeouts = new Set<number>();
// TODO: this should be somewhere more sensible
const handleTimelineReset = (): void => {
logger.warn("Received TimelineReset indicating limited sync response");
};
const handleReactionEvent = (event: MatrixEvent): void => {
// Decrypted events might come from a different room
if (event.getRoomId() !== room.roomId) return;
@ -297,6 +301,7 @@ export const ReactionsProvider = ({
}
};
room.on(MatrixRoomEvent.TimelineReset, handleTimelineReset);
room.on(MatrixRoomEvent.Timeline, handleReactionEvent);
room.on(MatrixRoomEvent.Redaction, handleReactionEvent);
room.client.on(MatrixEventEvent.Decrypted, handleReactionEvent);
@ -306,6 +311,7 @@ export const ReactionsProvider = ({
room.on(MatrixRoomEvent.LocalEchoUpdated, handleReactionEvent);
return (): void => {
room.off(MatrixRoomEvent.TimelineReset, handleTimelineReset);
room.off(MatrixRoomEvent.Timeline, handleReactionEvent);
room.off(MatrixRoomEvent.Redaction, handleReactionEvent);
room.client.off(MatrixEventEvent.Decrypted, handleReactionEvent);

17
src/utils/matrix.ts
View File

@ -9,8 +9,10 @@ import { IndexedDBStore } from "matrix-js-sdk/src/store/indexeddb";
import { MemoryStore } from "matrix-js-sdk/src/store/memory";
import {
createClient,
Filter,
ICreateClientOpts,
Preset,
RoomEvent,
Visibility,
} from "matrix-js-sdk/src/matrix";
import { ClientEvent } from "matrix-js-sdk/src/client";
@ -165,7 +167,20 @@ export async function initClient(
// Otherwise, a sync may complete before the listener gets applied,
// and we will miss it.
const syncPromise = waitForSync(client);
await client.startClient({ clientWellKnownPollPeriod: 60 * 10 });
await client.startClient({
clientWellKnownPollPeriod: 60 * 10,
// ask for a high limit to try and avoid gappy syncs
filter: Filter.fromJson(undefined, "element-call", {
room: {
timeline: {
limit: 1000,
},
},
}),
// we ask for 20 past message to try and get some recent context
// n.b. past reactions are not guaranteed to be visible
initialSyncLimit: 20,
});
await syncPromise;
return client;