taler/wallet-core
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adding a max timeout since retry counter can be very high

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Sebastian 2022-01-13 01:33:03 -03:00
parent f6ec105b72
commit 4b289cde5d
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1 changed files with 7 additions and 2 deletions
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packages/taler-wallet-core/src/util/retries.ts
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@ -32,11 +32,13 @@ export interface RetryInfo {
export interface RetryPolicy {
readonly backoffDelta: Duration;
readonly backoffBase: number;
readonly maxTimeout: Duration;
}
const defaultRetryPolicy: RetryPolicy = {
backoffBase: 1.5,
backoffDelta: { d_ms: 200 },
maxTimeout: { d_ms: 6000 },
};
export function updateRetryInfoTimeout(
@ -51,8 +53,11 @@ export function updateRetryInfoTimeout(
r.nextRetry = { t_ms: "never" };
return;
}
const nextIncrement = p.backoffDelta.d_ms * Math.pow(p.backoffBase, r.retryCounter)
const t =
now.t_ms + p.backoffDelta.d_ms * Math.pow(p.backoffBase, r.retryCounter);
now.t_ms + (p.maxTimeout.d_ms === "forever" ? nextIncrement : Math.min(p.maxTimeout.d_ms, nextIncrement));
r.nextRetry = { t_ms: t };
}
@ -68,7 +73,7 @@ export function getRetryDuration(
return { d_ms: "forever" };
}
const t = p.backoffDelta.d_ms * Math.pow(p.backoffBase, r.retryCounter);
return { d_ms: t };
return { d_ms: p.maxTimeout.d_ms === "forever" ? t : Math.min(p.maxTimeout.d_ms, t) };
}
export function initRetryInfo(