Raven Scott
f8a0dad897
- protocol/booter: bits4 handshake, proc surfaces, boot policy v4, telemetry v4 - coreutils: nohup + ensure-man-pages; seed-man-pages fixes for extra pages - kernel-runner: no static node:module (Pear); bare-module createRequire - docs: handbook, reference, ADR, compatibility matrix, verify scripts
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
/** @type {Map<string, number>} */
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const delegateBuckets = new Map()
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/**
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* @param {string} kind
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* @param {Record<string, string | undefined> | null | undefined} env
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*/
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function delegateMaxPerMinute(kind, env) {
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if (!env) return 0
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const spec = env[`BARE_OS_DELEGATE_${String(kind).toUpperCase()}_MAX_PER_MIN`]
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if (spec != null && String(spec).trim() !== '') {
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const n = Number.parseInt(String(spec), 10)
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if (Number.isFinite(n) && n > 0) return n
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}
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const g = env.BARE_OS_DELEGATE_MAX_PER_MIN
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if (g != null && String(g).trim() !== '') {
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const n = Number.parseInt(String(g), 10)
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if (Number.isFinite(n) && n > 0) return n
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}
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return 0
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}
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/**
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* @param {string} kind
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* @param {Record<string, string | undefined> | null | undefined} env
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* @returns {boolean}
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*/
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export function bareOsDelegateRateAllow(kind, env) {
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const max = delegateMaxPerMinute(kind, env)
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if (!max) return true
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const minute = Math.floor(Date.now() / 60000)
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const key = `${kind}:${minute}`
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const cur = delegateBuckets.get(key) || 0
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if (cur >= max) return false
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delegateBuckets.set(key, cur + 1)
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if (delegateBuckets.size > 128) {
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const drop = [...delegateBuckets.keys()].slice(0, 64)
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for (const k of drop) delegateBuckets.delete(k)
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}
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return true
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}
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/** Sample of per-minute counters (keys `kind:minuteEpoch`). */
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export function bareOsDelegateRateBucketsSnapshot() {
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return Object.fromEntries(delegateBuckets)
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}
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