Node / meshtastic / Meshtastic-Android / files / core / data / src / commonMain / kotlin / org / meshtastic / core / data / repository / MaintenanceUf2RepositoryImpl.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.data.repository

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787kotlinx.coroutines.sync.Mutex

Tff7b72import T7ee787kotlinx.coroutines.sync.withLock

Tff7b72import T7ee787kotlinx.serialization.json.Json

Tff7b72import T7ee787org.koin.core.annotation.Single

Tff7b72import T7ee787org.meshtastic.core.common.util.safeCatching

Tff7b72import T7ee787org.meshtastic.core.data.datasource.BundledAssetReader

Tff7b72import T7ee787org.meshtastic.core.data.datasource.MaintenanceUf2LocalDataSource

Tff7b72import T7ee787org.meshtastic.core.data.datasource.decode

Tff7b72import T7ee787org.meshtastic.core.database.entity.asEntity

Tff7b72import T7ee787org.meshtastic.core.database.entity.asExternalModel

Tff7b72import T7ee787org.meshtastic.core.model.MaintenanceUf2Manifest

Tff7b72import T7ee787org.meshtastic.core.network.MaintenanceUf2RemoteDataSource

Tff7b72import T7ee787org.meshtastic.core.repository.MaintenanceUf2Repository

T8b949e/**

* Caches the maintenance-UF2 manifest from the Meshtastic API (`/resource/maintenanceUf2`), seeded from the bundled

* `maintenance_uf2.json` snapshot so it is never empty offline — mirrors [BootloaderOtaQuirksRepositoryImpl]'s

* seed-then-refresh shape exactly, including its "reconcile carries no TTL of its own" contract:

* [DeviceHardwareRepositoryImpl]'s refresher calls this on the same cadence as its catalog refresh.

*/

Tf0883e@Single

Tff7b72class T56d364MaintenanceUf2RepositoryImplTb4b4b4(

Tff7b72private Tff7b72val Te6edf3remoteDataSourceTb4b4b4: Te6edf3MaintenanceUf2RemoteDataSourceTb4b4b4,

Tff7b72private Tff7b72val Te6edf3localDataSourceTb4b4b4: Te6edf3MaintenanceUf2LocalDataSourceTb4b4b4,

Tff7b72private Tff7b72val Te6edf3assetReaderTb4b4b4: Te6edf3BundledAssetReaderTb4b4b4,

Tff7b72private Tff7b72val Te6edf3jsonTb4b4b4: Te6edf3JsonTb4b4b4,

Tb4b4b4) Tb4b4b4: Te6edf3MaintenanceUf2Repository Tb4b4b4{

T8b949e/** Serializes seeding and network writes so concurrent callers don't duplicate/interleave them. */

Tff7b72private Tff7b72val Te6edf3writeMutex Tff7b72= Te6edf3MutexTb4b4b4(Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffgetSnapshotTb4b4b4(Tb4b4b4)Tb4b4b4: Te6edf3MaintenanceUf2Manifest Tb4b4b4{

Te6edf3ensureSeededTb4b4b4(Tb4b4b4)

Tff7b72return Te6edf3localDataSourceTb4b4b4.Te6edf3getTb4b4b4(Tb4b4b4)Tff7b72?.Te6edf3asExternalModelTb4b4b4(Tb4b4b4) Tff7b72?: Te6edf3MaintenanceUf2ManifestTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffreconcileTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3safeCatching Tb4b4b4{ Te6edf3remoteDataSourceTb4b4b4.Te6edf3getManifestTb4b4b4(Tb4b4b4) Tb4b4b4}

Tb4b4b4.Te6edf3onSuccess Tb4b4b4{ Te6edf3manifest Tff7b72-Tff7b72> Te6edf3writeMutexTb4b4b4.Te6edf3withLock Tb4b4b4{ Te6edf3storeTb4b4b4(Te6edf3manifestTb4b4b4) Tb4b4b4} Tb4b4b4}

Tb4b4b4.Te6edf3onFailure Tb4b4b4{ Te6edf3e Tff7b72-Tff7b72> Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffMaintenanceUf2Repository: network refresh failedTa5d6ff" Tb4b4b4} Tb4b4b4}

Tb4b4b4}

T8b949e/** Seeds the cache from the bundled snapshot if empty (fresh install, data clear). */

Tff7b72private Tff7b72suspend Tff7b72fun Td2a8ffensureSeededTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3localDataSourceTb4b4b4.Te6edf3countTb4b4b4(Tb4b4b4) Tff7b72> T79c0ff0Tb4b4b4) Tff7b72return

Te6edf3writeMutexTb4b4b4.Te6edf3withLock Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3localDataSourceTb4b4b4.Te6edf3countTb4b4b4(Tb4b4b4) Tff7b72=Tff7b72= T79c0ff0Tb4b4b4) Tb4b4b4{

Te6edf3safeCatching Tb4b4b4{

Tff7b72val Te6edf3asset Tff7b72= Te6edf3assetReaderTb4b4b4.Te6edf3decodeTff7b72<Te6edf3MaintenanceUf2ManifestTff7b72>Tb4b4b4(Ta5d6ff"Ta5d6ffmaintenance_uf2.jsonTa5d6ff"Tb4b4b4, Te6edf3jsonTb4b4b4)

Te6edf3assetTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3storeTb4b4b4(Tffa657itTb4b4b4) Tb4b4b4}

Tb4b4b4}

Tb4b4b4.Te6edf3onFailure Tb4b4b4{ Te6edf3e Tff7b72-Tff7b72> Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffMaintenanceUf2Repository: failed to seed from bundled JSONTa5d6ff" Tb4b4b4} Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

T8b949e/**

* Not locked itself — every caller already holds [writeMutex] for the duration of a write.

*

* A manifest with neither erase images nor an OTAFIX board map is ignored rather than stored, so a fully empty

* response can never wipe an existing seed/cache back to nothing. A *partial* response still replaces the cached

* manifest wholesale — the server is authoritative for which images exist, so a dropped section means that section

* was withdrawn, and the resolvers fail closed on the sections it no longer carries.

*/

Tff7b72private Tff7b72suspend Tff7b72fun Td2a8ffstoreTb4b4b4(Te6edf3manifestTb4b4b4: Te6edf3MaintenanceUf2ManifestTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3manifestTb4b4b4.Te6edf3erase Tff7b72=Tff7b72= Tff7b72null Tff7b72&Tff7b72& Te6edf3manifestTb4b4b4.Te6edf3otafixByBoardIdTb4b4b4.Te6edf3isEmptyTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3w Tb4b4b4{ Ta5d6ff"Ta5d6ffMaintenanceUf2Repository: empty response; leaving cache untouchedTa5d6ff" Tb4b4b4}

Tff7b72return

Tb4b4b4}

Te6edf3localDataSourceTb4b4b4.Te6edf3upsertTb4b4b4(Te6edf3manifestTb4b4b4.Te6edf3asEntityTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4}