Raven ScottandCursor
96f5893aad
Add adaptive poll helpers, discovery frame dedupe, poll DB read budget, view integrity (draft prune, pin fallback, cross-ref audit, prefs checksum), mesh quiet mode, topic merge counters, and discovery local-only guard. Co-authored-by: Cursor <[email protected]>
34 lines
943 B
JavaScript
34 lines
943 B
JavaScript
'use strict'
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const crypto = require('hypercore-crypto')
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const b4a = require('b4a')
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/**
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* Per-guild jitter for mesh retries (Phase 409 P409-14).
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*/
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function guildMeshJitterMs (guildId, attempt = 0, baseMs = 1000) {
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const gid = String(guildId || '')
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const seed = crypto.hash(b4a.from(`pearcord:mesh-jitter:${gid}`)).readUInt32BE(0)
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const spread = Math.min(4000, Math.max(200, baseMs * 0.35))
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const jitter = (seed % spread) + ((attempt * 137) % 200)
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return Math.floor(baseMs + jitter)
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}
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/**
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* Quiet mode: reduce sync churn when mesh has zero peers (P409-15).
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*/
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function shouldUseMeshQuietMode ({ peerCount = 0, meshBounded = false } = {}) {
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if (meshBounded) return false
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return Number(peerCount) <= 0
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}
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function meshQuietModePollMultiplier () {
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return Math.max(2, Number(process.env.PEARCORD_MESH_QUIET_POLL_MULT) || 3)
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}
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module.exports = {
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guildMeshJitterMs,
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shouldUseMeshQuietMode,
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meshQuietModePollMultiplier
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}
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