50 lines
2.1 KiB
Plaintext
50 lines
2.1 KiB
Plaintext
sequenceDiagram
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title NATS — CREATE_RESOURCE : Pair A découvre Pair B et établit le stream
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participant AppA as App Pair A (oc-api)
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participant NATSA as NATS A
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participant NodeA as Node A
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participant StreamA as StreamService A
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participant NodeB as Node B
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participant StreamB as StreamService B
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participant DBA as DB Pair A (oc-lib)
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Note over AppA: Pair B vient d'être découvert<br/>(via indexeur ou manuel)
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AppA->>NATSA: Publish(CREATE_RESOURCE, {<br/> FromApp:"oc-api",<br/> Datatype:PEER,<br/> Payload: Peer B {StreamAddress_B, Relation:PARTNER}<br/>})
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NATSA->>NodeA: ListenNATS callback → CREATE_RESOURCE
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NodeA->>NodeA: resp.FromApp == "oc-discovery" ? → Non, continuer
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NodeA->>NodeA: json.Unmarshal(payload) → peer.Peer B
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NodeA->>NodeA: pp.AddrInfoFromString(B.StreamAddress)
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Note over NodeA: ad_B = {ID: PeerID_B, Addrs: [...]}
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NodeA->>StreamA: Mu.Lock()
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alt peer B.Relation == PARTNER
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NodeA->>StreamA: ConnectToPartner(B.StreamAddress)
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StreamA->>StreamA: AddrInfoFromString(B.StreamAddress) → ad_B
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StreamA->>NodeB: Connect (libp2p)
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StreamA->>NodeB: NewStream /opencloud/resource/heartbeat/partner/1.0
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StreamA->>NodeB: json.Encode(Heartbeat{Name_A, DID_A, PeerID_A})
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NodeB->>StreamB: HandlePartnerHeartbeat(stream)
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StreamB->>StreamB: CheckHeartbeat → bandwidth challenge
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StreamB->>StreamA: Echo(payload)
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StreamB->>StreamB: streams[ProtocolHeartbeatPartner][PeerID_A] = {DID_A, Expiry=now+10s}
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StreamA->>StreamA: streams[ProtocolHeartbeatPartner][PeerID_B] = {DID_B, Expiry=now+10s}
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Note over StreamA,StreamB: Stream partner long-lived établi<br/>dans les deux sens
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else peer B.Relation != PARTNER (révocation / blacklist)
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Note over NodeA: Supprimer tous les streams vers Pair B
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loop Pour chaque protocole dans Streams
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NodeA->>StreamA: streams[proto][PeerID_B].Stream.Close()
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NodeA->>StreamA: delete(streams[proto], PeerID_B)
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end
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end
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NodeA->>StreamA: Mu.Unlock()
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NodeA->>DBA: (pas de write direct ici — géré par l'app source)
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