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oc-discovery/docs/diagrams/11_stream_search.puml
2026-03-09 14:57:41 +01:00

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@startuml
title Stream — Direct search (type "known"/"partner") : Peer A → Peer B
participant "App UI A" as UIA
participant "App Pair A" as AppA
participant "NATS A" as NATSA
participant "Node A" as NodeA
participant "PubSubService A" as PubSubA
participant "StreamService A" as StreamA
participant "DB Pair A (oc-lib)" as DBA
participant "Node B" as NodeB
participant "StreamService B" as StreamB
participant "DB Pair B (oc-lib)" as DBB
UIA -> AppA: websocket subscription, sending {type:"all", search:"search"} in query
AppA -> NATSA: Publish(PROPALGATION_EVENT, {PB_SEARCH, type:"partner", search:"gpu"})
NATSA -> NodeA: ListenNATS → PB_SEARCH (type "partner")
NodeA -> PubSubA: SearchPublishEvent(ctx, dt, "partner", user, "gpu")
PubSubA -> StreamA: SearchPartnersPublishEvent(dt, user, "gpu")
StreamA -> DBA: Search(PEER, PARTNER) + PeerIDS config
DBA --> StreamA: [Peer B, ...]
loop Pour chaque pair partenaire (Pair B)
StreamA -> StreamA: write(PeerID_B, addr_B, dt, user, payload, ProtocolSearchResource)
StreamA -> NodeB: TempStream /opencloud/resource/search/1.0
StreamA -> NodeB: stream.Encode(Event{Type:search, From:DID_A, DataType, Payload:{search:"gpu"}})
NodeB -> StreamB: HandleResponse(stream) → readLoop
StreamB -> StreamB: handleEvent(ProtocolSearchResource, evt)
StreamB -> StreamB: handleEventFromPartner(evt, ProtocolSearchResource)
alt evt.DataType == -1 (toutes ressources)
StreamB -> DBA: Search(PEER, evt.From=DID_A)
note over StreamB: Local Resolving (DB) or GetPeerRecord (Indexer Way)
StreamB -> StreamB: SendResponse(Peer A, evt)
StreamB -> DBB: Search(ALL_RESOURCES, filter{creator=B + public OR partner A + search:"gpu"})
DBB --> StreamB: [Resource1, Resource2, ...]
else evt.DataType specified
StreamB -> DBB: Search(DataType, filter{creator=B + access + search:"gpu"})
DBB --> StreamB: [Resource1, ...]
end
loop Pour chaque ressource
StreamB -> StreamA: write(PeerID_A, addr_A, dt, resource JSON, ProtocolSearchResource)
StreamA -> StreamA: readLoop → handleEvent(ProtocolSearchResource, evt)
StreamA -> StreamA: retrieveResponse(evt)
StreamA -> NATSA: SetNATSPub(SEARCH_EVENT, {DataType, resource JSON})
NATSA -> AppA: Peer B results
AppA -> UIA: emit on websocket
end
end
@enduml