59 lines
2.3 KiB
Plaintext
59 lines
2.3 KiB
Plaintext
@startuml
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title PubSub — Gossip Global search (type "all") : Peer A searching, Peer B answering
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participant "App UI A" as UIA
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participant "App Peer A" 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 "PubSubService A" as PubSubA
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participant "GossipSub libp2p (mesh)" as GossipSub
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participant "Node B" as NodeB
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participant "PubSubService B" as PubSubB
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participant "DB Peer B (oc-lib)" as DBB
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participant "StreamService B" as StreamB
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UIA -> AppA: websocket subscription, sending {type:"all", search:"search"} in query
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AppA -> NATSA: Publish(PROPALGATION_EVENT, {PB_SEARCH, type:"all", search:"search"})
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NATSA -> NodeA: ListenNATS → PB_SEARCH (type "all")
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NodeA -> PubSubA: SearchPublishEvent(ctx, dt, "all", user, "search")
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PubSubA -> PubSubA: publishEvent(PB_SEARCH, user, {search:"search"})
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PubSubA -> PubSubA: priv_A.Sign(event body) → sig
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PubSubA -> PubSubA: Build Event{Type:"search", From:DID_A, Payload:{search:"search"}, Sig}
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PubSubA -> GossipSub: topic.Join("search")
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PubSubA -> GossipSub: topic.Publish(ctx, json(Event))
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GossipSub --> NodeB: Propalgate message (gossip mesh)
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NodeB -> PubSubB: subscribeEvents listen to topic "search#"
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PubSubB -> PubSubB: read → Event{From: DID_A}
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PubSubB -> NodeB: GetPeerRecord(ctx, DID_A)
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note over NodeB: Resolve Peer A per DB B or ask to Indexer
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NodeB --> PubSubB: Peer A {PublicKey_A, Relation, ...}
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PubSubB -> PubSubB: event.Verify(Peer A) → valid sig_A
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PubSubB -> PubSubB: handleEventSearch(ctx, evt, PB_SEARCH)
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PubSubB -> StreamB: SendResponse(Peer A, evt)
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StreamB -> DBB: Search(COMPUTE + STORAGE + ..., filters{creator=self, access=PUBLIC OR partnerships[PeerID_A]}, search="search")
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DBB --> StreamB: [Resource1, Resource2, ...]
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loop For every matching resource, only match our own resource creator_id=self_did
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StreamB -> StreamB: write(PeerID_A, addr_A, dt, resource JSON, ProtocolSearchResource)
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StreamB -> StreamA: NewStream /opencloud/resource/search/1.0
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StreamB -> StreamA: stream.Encode(Event{Type:search, From:DID_B, DataType, Payload:resource})
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end
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StreamA -> StreamA: readLoop → handleEvent(ProtocolSearchResource, evt)
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StreamA -> StreamA: retrieveResponse(evt)
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StreamA -> NATSA: SetNATSPub(SEARCH_EVENT, {DataType, resource JSON})
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NATSA -> AppA: Search results from Peer B
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AppA -> UIA: emit on websocket
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@enduml
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