bundles/remote_services/discovery_zeroconf/diagrams/service_discovery_seq.puml

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@startuml

box client process
participant Watcher
control WatcherThread
participant Fw
participant mDNS_daemon
end box
Watcher->Fw:Register endpoint listener service tracker.\n(filter:"(!(DISCOVERY=true))")
create WatcherThread
Watcher ->WatcherThread:
==setup==
loop
    alt mDNS server disconnect
        WatcherThread->mDNS_daemon:DNSServiceCreateConnection
        return DNSServiceRef
    end alt
    alt browser is null
        WatcherThread->mDNS_daemon:DNSServiceBrowse(DNSServiceRef,anyInterface, "_celix-rpc._udp", "local"...)
    end alt
    mDNS_daemon-->WatcherThread:Service instances browsed
    alt Have new service instance \n or resolve service timeout
        WatcherThread->mDNS_daemon:DNSServiceResolve
    end
    mDNS_daemon-->WatcherThread:txt records
    WatcherThread->WatcherThread:Converting txt records to endpoint properties
    alt resolve completed
        WatcherThread->WatcherThread:Inform new endpoints to tpm (use endpoint listener service)
    end alt
    WatcherThread->WatcherThread:Remove expired endpoints(use endpoint listener service)
    note left
        If the service has been deleted for 10 seconds,
        we consider the endpoint to be expired.
    end note
end loop

@enduml