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Handle M_MAX_DELAY_EXCEEDED errors (#4511)

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* Handle M_MAX_DELAY_EXCEEDED errors

Use a lower delay time if the server rejects a delay as too long.

* Add test

* Lint test

* Update src/matrixrtc/MatrixRTCSession.ts

Co-authored-by: Robin <robin@robin.town>

* Test computed expiry timeout value

---------

Co-authored-by: Robin <robin@robin.town>
This commit is contained in:
Andrew Ferrazzutti
2024-11-11 15:48:53 -05:00
committed by GitHub
parent 581b3209ab
commit 35d862ebd3
2 changed files with 46 additions and 2 deletions
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26
src/matrixrtc/MatrixRTCSession.ts
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@@ -184,8 +184,18 @@ export class MatrixRTCSession extends TypedEventEmitter<MatrixRTCSessionEvent, M
return this.joinConfig?.useKeyDelay ?? 5_000;
}
/**
* If the server disallows the configured {@link membershipServerSideExpiryTimeout},
* this stores a delay that the server does allow.
*/
private membershipServerSideExpiryTimeoutOverride?: number;
private get membershipServerSideExpiryTimeout(): number {
return this.joinConfig?.membershipServerSideExpiryTimeout ?? 8_000;
return (
this.membershipServerSideExpiryTimeoutOverride ??
this.joinConfig?.membershipServerSideExpiryTimeout ??
8_000
);
}
private get membershipKeepAlivePeriod(): number {
@@ -1141,6 +1151,20 @@ export class MatrixRTCSession extends TypedEventEmitter<MatrixRTCSessionEvent, M
);
this.disconnectDelayId = res.delay_id;
} catch (e) {
if (
e instanceof MatrixError &&
e.errcode === "M_UNKNOWN" &&
e.data["org.matrix.msc4140.errcode"] === "M_MAX_DELAY_EXCEEDED"
) {
const maxDelayAllowed = e.data["org.matrix.msc4140.max_delay"];
if (
typeof maxDelayAllowed === "number" &&
this.membershipServerSideExpiryTimeout > maxDelayAllowed
) {
this.membershipServerSideExpiryTimeoutOverride = maxDelayAllowed;
return prepareDelayedDisconnection();
}
}
logger.error("Failed to prepare delayed disconnection event:", e);
}
};