50 lines
1.9 KiB
Plaintext
50 lines
1.9 KiB
Plaintext
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sequenceDiagram
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title Indexer — Pair A résout Pair B (GetPeerRecord + handleNodeGet)
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participant NATSA as NATS A
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participant DBA as DB Pair A (oc-lib)
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participant NodeA as Node A
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participant Indexer as IndexerService (partagé)
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participant DHT as DHT Kademlia
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participant NATSA2 as NATS A (retour)
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Note over NodeA: Déclenché par : NATS PB_SEARCH PEER<br/>ou callback SubscribeToSearch
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NodeA->>DBA: NewRequestAdmin(PEER).Search(DID_B ou PeerID_B)
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DBA-->>NodeA: Peer B local (si connu) → résout DID_B + PeerID_B<br/>sinon utilise la valeur brute
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loop Pour chaque StaticIndexer
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NodeA->>Indexer: TempStream /opencloud/record/get/1.0
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NodeA->>Indexer: json.Encode(GetValue{Key: DID_B, PeerID: PeerID_B})
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Indexer->>Indexer: key = "/node/" + DID_B
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Indexer->>DHT: SearchValue(ctx 10s, "/node/"+DID_B)
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DHT-->>Indexer: channel de bytes (PeerRecord B)
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loop Pour chaque résultat DHT
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Indexer->>Indexer: Unmarshal → PeerRecord B
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alt PeerRecord.PeerID == PeerID_B
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Indexer->>Indexer: resp.Found=true, resp.Records[PeerID_B]=PeerRecord B
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Indexer->>Indexer: StreamRecord B.LastSeen = now (si heartbeat actif)
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end
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end
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Indexer->>NodeA: json.Encode(GetResponse{Found:true, Records:{PeerID_B: PeerRecord B}})
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end
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loop Pour chaque PeerRecord retourné
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NodeA->>NodeA: rec.Verify() → valide signature de B
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NodeA->>NodeA: rec.ExtractPeer(ourDID_A, DID_B, pubKey_B)
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alt ourDID_A == DID_B (c'est notre propre entrée)
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Note over NodeA: Republier pour rafraîchir le TTL
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NodeA->>Indexer: publishPeerRecord(rec) [refresh 2 min]
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end
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NodeA->>NATSA2: SetNATSPub(CREATE_RESOURCE, {PEER, Peer B JSON,<br/>SearchAttr:"peer_id"})
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NATSA2->>DBA: Upsert Peer B dans DB A
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DBA-->>NATSA2: ok
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end
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NodeA-->>NodeA: []*peer.Peer → [Peer B]
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