51 lines
2.0 KiB
Plaintext
51 lines
2.0 KiB
Plaintext
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@startuml
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title NATS — CREATE_RESOURCE : Pair A découvre Pair B et établit le stream
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participant "App Pair A (oc-api)" as AppA
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participant "NATS A" as NATSA
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participant "Node A" as NodeA
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participant "StreamService A" as StreamA
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participant "Node B" as NodeB
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participant "StreamService B" as StreamB
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participant "DB Pair A (oc-lib)" as DBA
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note over AppA: Pair B vient d'être découvert\n(via indexeur ou manuel)
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AppA -> NATSA: Publish(CREATE_RESOURCE, {\n FromApp:"oc-api",\n Datatype:PEER,\n Payload: Peer B {StreamAddress_B, Relation:PARTNER}\n})
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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\ndans 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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@enduml
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