Node / meshtastic / Meshtastic-Android / files / core / data / src / commonMain / kotlin / org / meshtastic / core / data / repository / RadioConfigRepositoryImpl.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.flow.Flow

Tff7b72import T7ee787kotlinx.coroutines.flow.MutableStateFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.asStateFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.combine

Tff7b72import T7ee787kotlinx.coroutines.flow.update

Tff7b72import T7ee787org.koin.core.annotation.Single

Tff7b72import T7ee787org.meshtastic.core.data.datasource.SwitchingChannelSetDataSource

Tff7b72import T7ee787org.meshtastic.core.datastore.LocalConfigDataSource

Tff7b72import T7ee787org.meshtastic.core.datastore.ModuleConfigDataSource

Tff7b72import T7ee787org.meshtastic.core.model.util.getChannelUrl

Tff7b72import T7ee787org.meshtastic.core.repository.NodeRepository

Tff7b72import T7ee787org.meshtastic.core.repository.RadioConfigRepository

Tff7b72import T7ee787org.meshtastic.proto.Channel

Tff7b72import T7ee787org.meshtastic.proto.ChannelSet

Tff7b72import T7ee787org.meshtastic.proto.ChannelSettings

Tff7b72import T7ee787org.meshtastic.proto.Config

Tff7b72import T7ee787org.meshtastic.proto.DeviceProfile

Tff7b72import T7ee787org.meshtastic.proto.DeviceUIConfig

Tff7b72import T7ee787org.meshtastic.proto.FileInfo

Tff7b72import T7ee787org.meshtastic.proto.LoRaRegionPresetMap

Tff7b72import T7ee787org.meshtastic.proto.LocalConfig

Tff7b72import T7ee787org.meshtastic.proto.LocalModuleConfig

Tff7b72import T7ee787org.meshtastic.proto.ModuleConfig

T8b949e/**

* Class responsible for radio configuration data. Combines access to [nodeDB], [ChannelSet], [LocalConfig] &

* [LocalModuleConfig].

*/

Tff7b72private Tff7b72const Tff7b72val Te6edf3MAX_FILE_MANIFEST_ENTRIES Tff7b72= T79c0ff4T79c0ff0T79c0ff9T79c0ff6

Tf0883e@Single

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooManyFunctionsTa5d6ff"Tb4b4b4) T8b949e// All functions mandated by RadioConfigRepository interface; logically grouped by concern

Tff7b72open Tff7b72class T56d364RadioConfigRepositoryImplTb4b4b4(

Tff7b72private Tff7b72val Te6edf3nodeDBTb4b4b4: Te6edf3NodeRepositoryTb4b4b4,

Tff7b72private Tff7b72val Te6edf3channelSetDataSourceTb4b4b4: Te6edf3SwitchingChannelSetDataSourceTb4b4b4,

Tff7b72private Tff7b72val Te6edf3localConfigDataSourceTb4b4b4: Te6edf3LocalConfigDataSourceTb4b4b4,

Tff7b72private Tff7b72val Te6edf3moduleConfigDataSourceTb4b4b4: Te6edf3ModuleConfigDataSourceTb4b4b4,

Tb4b4b4) Tb4b4b4: Te6edf3RadioConfigRepository Tb4b4b4{

T8b949e/** Flow representing the [ChannelSet] data store. */

Tff7b72override Tff7b72val Te6edf3channelSetFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3ChannelSetTff7b72> Tff7b72= Te6edf3channelSetDataSourceTb4b4b4.Te6edf3channelSetFlow

T8b949e/** Clears the [ChannelSet] data in the data store. */

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffclearChannelSetTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3channelSetDataSourceTb4b4b4.Te6edf3clearChannelSetTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e/** Replaces the [ChannelSettings] list with a new [settingsList]. */

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffreplaceAllSettingsTb4b4b4(Te6edf3settingsListTb4b4b4: Te6edf3ListTff7b72<Te6edf3ChannelSettingsTff7b72>Tb4b4b4) Tb4b4b4{

Te6edf3channelSetDataSourceTb4b4b4.Te6edf3replaceAllSettingsTb4b4b4(Te6edf3settingsListTb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffupdateChannelSetTb4b4b4(Te6edf3settingsListTb4b4b4: Te6edf3ListTff7b72<Te6edf3ChannelSettingsTff7b72>Tff7b72?Tb4b4b4, Te6edf3loraConfigTb4b4b4: Te6edf3ConfigTb4b4b4.Te6edf3LoRaConfigTff7b72?Tb4b4b4) Tb4b4b4{

Te6edf3channelSetDataSourceTb4b4b4.Te6edf3updateChannelSetTb4b4b4(Te6edf3settingsListTb4b4b4, Te6edf3loraConfigTb4b4b4)

Tb4b4b4}

T8b949e/**

* Updates the [ChannelSettings] list with the provided channel and returns the index of the admin channel after the

* update (if not found, returns 0).

*

* @param channel The [Channel] provided.

* @return the index of the admin channel after the update (if not found, returns 0).

*/

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffupdateChannelSettingsTb4b4b4(Te6edf3channelTb4b4b4: Te6edf3ChannelTb4b4b4) Tff7b72= Te6edf3channelSetDataSourceTb4b4b4.Te6edf3updateChannelSettingsTb4b4b4(Te6edf3channelTb4b4b4)

T8b949e/** Flow representing the [LocalConfig] data store. */

Tff7b72override Tff7b72val Te6edf3localConfigFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3LocalConfigTff7b72> Tff7b72= Te6edf3localConfigDataSourceTb4b4b4.Te6edf3localConfigFlow

T8b949e/** Clears the [LocalConfig] data in the data store. */

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffclearLocalConfigTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3localConfigDataSourceTb4b4b4.Te6edf3clearLocalConfigTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e/**

* Updates [LocalConfig] from each [Config] oneOf.

*

* @param config The [Config] to be set.

*/

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffsetLocalConfigTb4b4b4(Te6edf3configTb4b4b4: Te6edf3ConfigTb4b4b4) Tb4b4b4{

Te6edf3localConfigDataSourceTb4b4b4.Te6edf3setLocalConfigTb4b4b4(Te6edf3configTb4b4b4)

Te6edf3configTb4b4b4.Te6edf3loraTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3channelSetDataSourceTb4b4b4.Te6edf3setLoraConfigTb4b4b4(Tffa657itTb4b4b4) Tb4b4b4}

Tb4b4b4}

T8b949e/** Flow representing the [LocalModuleConfig] data store. */

Tff7b72override Tff7b72val Te6edf3moduleConfigFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3LocalModuleConfigTff7b72> Tff7b72= Te6edf3moduleConfigDataSourceTb4b4b4.Te6edf3moduleConfigFlow

T8b949e/** Clears the [LocalModuleConfig] data in the data store. */

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffclearLocalModuleConfigTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3moduleConfigDataSourceTb4b4b4.Te6edf3clearLocalModuleConfigTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e/**

* Updates [LocalModuleConfig] from each [ModuleConfig] oneOf.

*

* @param config The [ModuleConfig] to be set.

*/

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffsetLocalModuleConfigTb4b4b4(Te6edf3configTb4b4b4: Te6edf3ModuleConfigTb4b4b4) Tb4b4b4{

Te6edf3moduleConfigDataSourceTb4b4b4.Te6edf3setLocalModuleConfigTb4b4b4(Te6edf3configTb4b4b4)

Tb4b4b4}

T8b949e// DeviceUIConfig is session-scoped data received fresh in every handshake — no persistence needed.

Tff7b72private Tff7b72val Te6edf3_deviceUIConfigFlow Tff7b72= Te6edf3MutableStateFlowTff7b72<Te6edf3DeviceUIConfig?Tff7b72>Tb4b4b4(Tff7b72nullTb4b4b4)

Tff7b72override Tff7b72val Te6edf3deviceUIConfigFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3DeviceUIConfig?Tff7b72> Tff7b72= Te6edf3_deviceUIConfigFlowTb4b4b4.Te6edf3asStateFlowTb4b4b4(Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffsetDeviceUIConfigTb4b4b4(Te6edf3configTb4b4b4: Te6edf3DeviceUIConfigTb4b4b4) Tb4b4b4{

Te6edf3_deviceUIConfigFlowTb4b4b4.Te6edf3value Tff7b72= Te6edf3config

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffclearDeviceUIConfigTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3_deviceUIConfigFlowTb4b4b4.Te6edf3value Tff7b72= Tff7b72null

Tb4b4b4}

T8b949e// FileInfo manifest is session-scoped: accumulated during STATE_SEND_FILEMANIFEST, cleared on each new handshake.

Tff7b72private Tff7b72val Te6edf3_fileManifestFlow Tff7b72= Te6edf3MutableStateFlowTff7b72<Te6edf3ListTff7b72<Te6edf3FileInfoTff7b72>Tff7b72>Tb4b4b4(Te6edf3emptyListTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72override Tff7b72val Te6edf3fileManifestFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3ListTff7b72<Te6edf3FileInfoTff7b72>Tff7b72> Tff7b72= Te6edf3_fileManifestFlowTb4b4b4.Te6edf3asStateFlowTb4b4b4(Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffaddFileInfoTb4b4b4(Te6edf3infoTb4b4b4: Te6edf3FileInfoTb4b4b4) Tb4b4b4{

T8b949e// A real device's manifest is bounded by its flash storage (realistically a handful to a few

T8b949e// hundred entries). A rogue/adversarial peer, however, can emit FileInfo packets in a tight loop

T8b949e// for the lifetime of a session -- clearFileManifest only runs on the *next* handshake, so nothing

T8b949e// else bounds this accumulator in between. Cap it defensively, same pattern as the early-packet

T8b949e// buffer in MeshMessageProcessorImpl.

T8b949e//

T8b949e// handleFileInfo dispatches each packet on its own scope.handledLaunch, so addFileInfo calls can

T8b949e// run concurrently -- a plain read-then-write would race (lost updates, or two callers both seeing

T8b949e// size-1 and bypassing the cap). update{} makes the read/cap/append atomic (CAS retry loop).

Tff7b72var Te6edf3capped Tff7b72= Tff7b72false

Te6edf3_fileManifestFlowTb4b4b4.Te6edf3update Tb4b4b4{ Te6edf3current Tff7b72-Tff7b72>

Tff7b72if Tb4b4b4(Te6edf3currentTb4b4b4.Te6edf3size Tff7b72>Tff7b72= Te6edf3MAX_FILE_MANIFEST_ENTRIESTb4b4b4) Tb4b4b4{

Te6edf3capped Tff7b72= Tff7b72true

Te6edf3current

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3capped Tff7b72= Tff7b72false

Te6edf3current Tff7b72+ Te6edf3info

Tb4b4b4}

Tb4b4b4}

Tff7b72if Tb4b4b4(Te6edf3cappedTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3w Tb4b4b4{ Ta5d6ff"Ta5d6ffFile manifest capped at Tffd700$Te6edf3MAX_FILE_MANIFEST_ENTRIESTa5d6ff entries, dropping further FileInfoTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffclearFileManifestTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3_fileManifestFlowTb4b4b4.Te6edf3value Tff7b72= Te6edf3emptyListTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e// Region→preset compatibility map is session-scoped: delivered once per handshake, cleared on each new handshake.

Tff7b72private Tff7b72val Te6edf3_loraRegionPresetMapFlow Tff7b72= Te6edf3MutableStateFlowTff7b72<Te6edf3LoRaRegionPresetMap?Tff7b72>Tb4b4b4(Tff7b72nullTb4b4b4)

Tff7b72override Tff7b72val Te6edf3loraRegionPresetMapFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3LoRaRegionPresetMap?Tff7b72> Tff7b72= Te6edf3_loraRegionPresetMapFlowTb4b4b4.Te6edf3asStateFlowTb4b4b4(Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffsetLoraRegionPresetMapTb4b4b4(Te6edf3mapTb4b4b4: Te6edf3LoRaRegionPresetMapTb4b4b4) Tb4b4b4{

Te6edf3_loraRegionPresetMapFlowTb4b4b4.Te6edf3value Tff7b72= Te6edf3map

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffclearLoraRegionPresetMapTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3_loraRegionPresetMapFlowTb4b4b4.Te6edf3value Tff7b72= Tff7b72null

Tb4b4b4}

T8b949e/** Flow representing the combined [DeviceProfile] protobuf. */

Tff7b72override Tff7b72val Te6edf3deviceProfileFlowTb4b4b4: Te6edf3FlowTff7b72<Te6edf3DeviceProfileTff7b72> Tff7b72=

Te6edf3combineTb4b4b4(Te6edf3nodeDBTb4b4b4.Te6edf3ourNodeInfoTb4b4b4, Te6edf3channelSetFlowTb4b4b4, Te6edf3localConfigFlowTb4b4b4, Te6edf3moduleConfigFlowTb4b4b4) Tb4b4b4{

Te6edf3nodeTb4b4b4,

Te6edf3channelsTb4b4b4,

Te6edf3localConfigTb4b4b4,

Te6edf3localModuleConfigTb4b4b4,

Tff7b72-Tff7b72>

Te6edf3DeviceProfileTb4b4b4(

Te6edf3long_name Tff7b72= Te6edf3nodeTff7b72?.Te6edf3userTff7b72?.Te6edf3long_nameTb4b4b4,

Te6edf3short_name Tff7b72= Te6edf3nodeTff7b72?.Te6edf3userTff7b72?.Te6edf3short_nameTb4b4b4,

Te6edf3channel_url Tff7b72= Te6edf3channelsTb4b4b4.Te6edf3getChannelUrlTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)Tb4b4b4,

Te6edf3config Tff7b72= Te6edf3localConfigTb4b4b4,

Te6edf3module_config Tff7b72= Te6edf3localModuleConfigTb4b4b4,

Te6edf3is_unmessagable Tff7b72= Te6edf3nodeTff7b72?.Te6edf3userTff7b72?.Te6edf3is_unmessagableTb4b4b4,

Te6edf3is_licensed Tff7b72= Te6edf3nodeTff7b72?.Te6edf3userTff7b72?.Te6edf3is_licensedTb4b4b4,

Te6edf3fixed_position Tff7b72=

Tff7b72if Tb4b4b4(Te6edf3node Tff7b72!Tff7b72= Tff7b72null Tff7b72&Tff7b72& Te6edf3localConfigTb4b4b4.Te6edf3positionTff7b72?.Te6edf3fixed_position Tff7b72=Tff7b72= Tff7b72trueTb4b4b4) Tb4b4b4{

Te6edf3nodeTb4b4b4.Te6edf3position

Tb4b4b4} Tff7b72else Tb4b4b4{

Tff7b72null

Tb4b4b4}Tb4b4b4,

Tb4b4b4)

Tb4b4b4}

Tb4b4b4}