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Wait for a full sync on startup (#2372)

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This avoids missing any state not included in the latest cached sync.
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Andrew Ferrazzutti 2024-05-23 01:00:17 +09:00 committed by GitHub
parent ebc33e003d
commit c405b61c66
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1 changed files with 20 additions and 4 deletions
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20
src/matrix-utils.ts
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@ -55,7 +55,13 @@ const SYNC_STORE_NAME = "element-call-sync";
// (It's a good opportunity to make the database names consistent.)
const CRYPTO_STORE_NAME = "element-call-crypto";
function waitForSync(client: MatrixClient): Promise<void> {
async function waitForSync(client: MatrixClient): Promise<void> {
// If there is a saved sync, the client will fire an additional sync event
// for restoring it before it runs the first network sync.
// However, the sync we want to wait for is the network sync,
// as the saved sync may be missing some state.
// Thus, don't resolve on the first sync when we know it's for the saved sync.
let waitForSavedSync = !!(await client.store.getSavedSyncToken());
return new Promise<void>((resolve, reject) => {
const onSync = (
state: SyncState,
@ -63,8 +69,12 @@ function waitForSync(client: MatrixClient): Promise<void> {
data?: ISyncStateData,
): void => {
if (state === "PREPARED") {
if (waitForSavedSync) {
waitForSavedSync = false;
} else {
client.removeListener(ClientEvent.Sync, onSync);
resolve();
}
} else if (state === "ERROR") {
client.removeListener(ClientEvent.Sync, onSync);
reject(data?.error);
@ -190,8 +200,14 @@ export async function initClient(
await client.initCrypto();
client.setGlobalErrorOnUnknownDevices(false);
// Once startClient is called, syncs are run asynchronously.
// Also, sync completion is communicated only via events.
// So, apply the event listener *before* starting the client.
// Otherwise, a sync may complete before the listener gets applied,
// and we will miss it.
const syncPromise = waitForSync(client);
await client.startClient();
await waitForSync(client);
await syncPromise;
return client;
}