mirror of
https://github.com/MeshCore-Beacon/beacon-server.git
synced 2026-09-02 09:03:45 +00:00
33 lines
1.0 KiB
Go
33 lines
1.0 KiB
Go
// Copyright 2026 Beacon Contributors
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// SPDX-License-Identifier: AGPL-3.0-or-later
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package ingest
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import (
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"context"
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"github.com/google/uuid"
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)
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// runCapabilityDetection checks hash sizes and flips firmware capability flags.
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// Called only when the observation INSERT succeeded (no dedup conflict).
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//
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// Rules (from design doc):
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// - hash_size == 1: do nothing (proves nothing about firmware)
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// - duplicate hash prefixes within the path: skip entirely
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// - non-trace + hash_size 2 or 3 → supports_multibyte_paths = TRUE
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// - trace (0x09) + hash_size 2 or 4 → supports_multibyte_traces = TRUE
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func (w *Worker) runCapabilityDetection(ctx context.Context, payloadType uint8, hashSize uint8, resolvedNodeIDs []uuid.UUID) {
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if hashSize < 2 {
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return
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}
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for _, nodeID := range resolvedNodeIDs {
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switch {
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case payloadType != 0x09 && (hashSize == 2 || hashSize == 3):
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_ = w.db.SetNodeCapability(ctx, nodeID, true, false)
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case payloadType == 0x09 && (hashSize == 2 || hashSize == 4):
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_ = w.db.SetNodeCapability(ctx, nodeID, false, true)
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}
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}
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}
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