60 lines
2.7 KiB
Plaintext
60 lines
2.7 KiB
Plaintext
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sequenceDiagram
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title Native Indexer — Boucles background (offload, DHT refresh, GC streams)
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participant IndexerA as Indexer A (enregistré)
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participant IndexerB as Indexer B (enregistré)
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participant Native as Native Indexer
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participant DHT as DHT Kademlia
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participant NodeA as Node A (responsible peer)
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Note over Native: runOffloadLoop — toutes les 30s
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loop Toutes les 30s
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Native->>Native: len(responsiblePeers) > 0 ?
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Note over Native: responsiblePeers = peers pour lesquels<br/>le native a fait selfDelegate (aucun indexer dispo)
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alt Des responsible peers existent (ex: Node A)
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Native->>Native: reachableLiveIndexers()
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Note over Native: Filtre liveIndexers par TTL<br/>ping PeerIsAlive pour chaque candidat
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alt Indexers A et B maintenant joignables
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Native->>Native: responsiblePeers = {} (libère Node A et autres)
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Note over Native: Node A se reconnectera<br/>au prochain ConnectToNatives
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else Toujours aucun indexer
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Note over Native: Node A reste sous la responsabilité du native
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end
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end
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end
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Note over Native: refreshIndexersFromDHT — toutes les 30s
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loop Toutes les 30s
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Native->>Native: Collecter tous les knownPeerIDs<br/>= {PeerID_A, PeerID_B, ...}
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loop Pour chaque PeerID connu
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Native->>Native: liveIndexers[PeerID] encore frais ?
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alt Entrée manquante ou expirée
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Native->>DHT: SearchValue(ctx 5s, "/indexer/"+PeerID)
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DHT-->>Native: channel de bytes
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loop Pour chaque résultat DHT
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Native->>Native: Unmarshal → liveIndexerEntry
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Native->>Native: Garder le meilleur (ExpiresAt le plus récent, valide)
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end
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Native->>Native: liveIndexers[PeerID] = best entry
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Note over Native: "native: refreshed indexer from DHT"
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end
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end
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end
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Note over Native: LongLivedStreamRecordedService GC — toutes les 30s
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loop Toutes les 30s
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Native->>Native: gc() — lock StreamRecords[Heartbeat]
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loop Pour chaque StreamRecord (Indexer A, B, ...)
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Native->>Native: now > rec.Expiry ?<br/>OU timeSince(LastSeen) > 2×TTL restant ?
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alt Pair périmé (ex: Indexer B disparu)
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Native->>Native: Supprimer Indexer B de TOUS les maps de protocoles
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Note over Native: Stream heartbeat fermé<br/>liveIndexers[PeerID_B] expirera naturellement
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end
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end
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end
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Note over IndexerA: Indexer A continue à heartbeater normalement<br/>et reste dans StreamRecords + liveIndexers
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