Node / meshtastic / Meshtastic-Android / files / core / network / src / androidMain / kotlin / org / meshtastic / core / network / repository / NsdManager.kt

Displaying Raw • Download

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/>.

*/

Tf0883e@fileTb4b4b4:Te6edf3SuppressTb4b4b4(Ta5d6ff"Ta5d6ffSwallowedExceptionTa5d6ff"Tb4b4b4)

Tff7b72package T7ee787org.meshtastic.core.network.repository

Tff7b72import T7ee787android.annotation.SuppressLint

Tff7b72import T7ee787android.net.nsd.NsdManager

Tff7b72import T7ee787android.net.nsd.NsdServiceInfo

Tff7b72import T7ee787android.os.Build

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787kotlinx.coroutines.Dispatchers

Tff7b72import T7ee787kotlinx.coroutines.ExperimentalCoroutinesApi

Tff7b72import T7ee787kotlinx.coroutines.asExecutor

Tff7b72import T7ee787kotlinx.coroutines.cancel

Tff7b72import T7ee787kotlinx.coroutines.channels.Channel

Tff7b72import T7ee787kotlinx.coroutines.channels.awaitClose

Tff7b72import T7ee787kotlinx.coroutines.delay

Tff7b72import T7ee787kotlinx.coroutines.flow.Flow

Tff7b72import T7ee787kotlinx.coroutines.flow.callbackFlow

Tff7b72import T7ee787kotlinx.coroutines.launch

Tff7b72import T7ee787kotlinx.coroutines.suspendCancellableCoroutine

Tff7b72import T7ee787kotlinx.coroutines.sync.Mutex

Tff7b72import T7ee787kotlinx.coroutines.sync.withLock

Tff7b72import T7ee787kotlinx.coroutines.withTimeoutOrNull

Tff7b72import T7ee787java.util.concurrent.CopyOnWriteArrayList

Tff7b72import T7ee787java.util.concurrent.atomic.AtomicBoolean

Tff7b72import T7ee787kotlin.coroutines.resume

Tff7b72private Tff7b72const Tff7b72val Te6edf3RESOLVE_TIMEOUT_MS Tff7b72= T79c0ff1T79c0ff0T79c0ff0T79c0ff0T79c0ff0L

Tff7b72private Tff7b72const Tff7b72val Te6edf3RESOLVE_BACKOFF_MS Tff7b72= T79c0ff1T79c0ff0T79c0ff0T79c0ff0L

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4)

Tf0883e@OptInTb4b4b4(Te6edf3ExperimentalCoroutinesApiTff7b72::Te6edf3classTb4b4b4)

Tff7b72internal Tff7b72fun Te6edf3NsdManagerTb4b4b4.Td2a8ffserviceListTb4b4b4(

Te6edf3serviceTypeTb4b4b4: Tffa657StringTb4b4b4,

Te6edf3protocolTypeTb4b4b4: Tffa657Int Tff7b72= Te6edf3NsdManagerTb4b4b4.Te6edf3PROTOCOL_DNS_SDTb4b4b4,

Tb4b4b4)Tb4b4b4: Te6edf3FlowTff7b72<Te6edf3ListTff7b72<Te6edf3NsdServiceInfoTff7b72>Tff7b72> Tff7b72= Te6edf3callbackFlow Tb4b4b4{

Tff7b72val Te6edf3resolvedServices Tff7b72= Te6edf3CopyOnWriteArrayListTff7b72<Te6edf3NsdServiceInfoTff7b72>Tb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3resolveChannel Tff7b72= Te6edf3ChannelTff7b72<Te6edf3NsdServiceInfoTff7b72>Tb4b4b4(Te6edf3ChannelTb4b4b4.Te6edf3UNLIMITEDTb4b4b4)

Tff7b72val Te6edf3mutex Tff7b72= Te6edf3MutexTb4b4b4(Tb4b4b4)

Te6edf3launch Tb4b4b4{

Tff7b72for Tb4b4b4(Te6edf3service Tff7b72in Te6edf3resolveChannelTb4b4b4) Tb4b4b4{

Te6edf3mutexTb4b4b4.Te6edf3withLock Tb4b4b4{

Tff7b72try Tb4b4b4{

Tff7b72val Te6edf3resolved Tff7b72= Te6edf3withTimeoutOrNullTb4b4b4(Te6edf3RESOLVE_TIMEOUT_MSTb4b4b4) Tb4b4b4{ Te6edf3resolveServiceTb4b4b4(Te6edf3serviceTb4b4b4) Tb4b4b4}

Tff7b72if Tb4b4b4(Te6edf3resolved Tff7b72!Tff7b72= Tff7b72nullTb4b4b4) Tb4b4b4{

Te6edf3resolvedServicesTb4b4b4.Te6edf3removeAll Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3serviceName Tff7b72=Tff7b72= Te6edf3resolvedTb4b4b4.Te6edf3serviceName Tb4b4b4}

Te6edf3resolvedServicesTb4b4b4.Te6edf3addTb4b4b4(Te6edf3resolvedTb4b4b4)

Te6edf3trySendTb4b4b4(Te6edf3resolvedServicesTb4b4b4.Te6edf3toListTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3IllegalArgumentExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffNSD resolution failed for Tffd700${Te6edf3serviceTb4b4b4.Te6edf3serviceNameTffd700}Ta5d6ff" Tb4b4b4}

Te6edf3delayTb4b4b4(Te6edf3RESOLVE_BACKOFF_MSTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3kotlinxTb4b4b4.Te6edf3coroutinesTb4b4b4.Te6edf3CancellationExceptionTb4b4b4) Tb4b4b4{

Tff7b72throw Te6edf3e

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffNSD resolution failed for Tffd700${Te6edf3serviceTb4b4b4.Te6edf3serviceNameTffd700}Ta5d6ff" Tb4b4b4}

Te6edf3delayTb4b4b4(Te6edf3RESOLVE_BACKOFF_MSTb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tff7b72val Te6edf3discoveryListener Tff7b72=

Tff7b72object Tb4b4b4: T56d364NsdManagerTb4b4b4.Te6edf3DiscoveryListener Tb4b4b4{

Tff7b72override Tff7b72fun Td2a8ffonStartDiscoveryFailedTb4b4b4(Te6edf3serviceTypeTb4b4b4: Tffa657StringTb4b4b4, Te6edf3errorCodeTb4b4b4: Tffa657IntTb4b4b4) Tb4b4b4{

Te6edf3cancelTb4b4b4(Ta5d6ff"Ta5d6ffStart Discovery failed: Error code: Tffd700$Te6edf3errorCodeTa5d6ff"Tb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonStopDiscoveryFailedTb4b4b4(Te6edf3serviceTypeTb4b4b4: Tffa657StringTb4b4b4, Te6edf3errorCodeTb4b4b4: Tffa657IntTb4b4b4) Tb4b4b4{

Te6edf3cancelTb4b4b4(Ta5d6ff"Ta5d6ffStop Discovery failed: Error code: Tffd700$Te6edf3errorCodeTa5d6ff"Tb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonDiscoveryStartedTb4b4b4(Te6edf3serviceTypeTb4b4b4: Tffa657StringTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ffNSD Service discovery startedTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonDiscoveryStoppedTb4b4b4(Te6edf3serviceTypeTb4b4b4: Tffa657StringTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ffNSD Service discovery stoppedTa5d6ff" Tb4b4b4}

Te6edf3closeTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonServiceFoundTb4b4b4(Te6edf3serviceInfoTb4b4b4: Te6edf3NsdServiceInfoTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ffNSD Service found: Tffd700$Te6edf3serviceInfoTa5d6ff" Tb4b4b4}

Te6edf3resolveChannelTb4b4b4.Te6edf3trySendTb4b4b4(Te6edf3serviceInfoTb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonServiceLostTb4b4b4(Te6edf3serviceInfoTb4b4b4: Te6edf3NsdServiceInfoTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ffNSD Service lost: Tffd700$Te6edf3serviceInfoTa5d6ff" Tb4b4b4}

Te6edf3resolvedServicesTb4b4b4.Te6edf3removeAll Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3serviceName Tff7b72=Tff7b72= Te6edf3serviceInfoTb4b4b4.Te6edf3serviceName Tb4b4b4}

Te6edf3trySendTb4b4b4(Te6edf3resolvedServicesTb4b4b4.Te6edf3toListTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Te6edf3trySendTb4b4b4(Te6edf3emptyListTb4b4b4(Tb4b4b4)Tb4b4b4) T8b949e// Emit an initial empty list

Te6edf3discoverServicesTb4b4b4(Te6edf3serviceTypeTb4b4b4, Te6edf3protocolTypeTb4b4b4, Te6edf3discoveryListenerTb4b4b4)

Te6edf3awaitClose Tb4b4b4{

Tff7b72try Tb4b4b4{

Te6edf3stopServiceDiscoveryTb4b4b4(Te6edf3discoveryListenerTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3exTb4b4b4: Te6edf3IllegalArgumentExceptionTb4b4b4) Tb4b4b4{

T8b949e// ignore if discovery is already stopped

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tf0883e@SuppressLintTb4b4b4(Ta5d6ff"Ta5d6ffNewApiTa5d6ff"Tb4b4b4)

Tff7b72private Tff7b72suspend Tff7b72fun Te6edf3NsdManagerTb4b4b4.Td2a8ffresolveServiceTb4b4b4(Te6edf3serviceInfoTb4b4b4: Te6edf3NsdServiceInfoTb4b4b4)Tb4b4b4: Te6edf3NsdServiceInfo? Tff7b72=

Te6edf3suspendCancellableCoroutine Tb4b4b4{ Te6edf3continuation Tff7b72-Tff7b72>

Tff7b72val Te6edf3isResumed Tff7b72= Te6edf3AtomicBooleanTb4b4b4(Tff7b72falseTb4b4b4)

Tff7b72if Tb4b4b4(Te6edf3BuildTb4b4b4.Te6edf3VERSIONTb4b4b4.Te6edf3SDK_INT Tff7b72>Tff7b72= Te6edf3BuildTb4b4b4.Te6edf3VERSION_CODESTb4b4b4.Te6edf3UPSIDE_DOWN_CAKETb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3callback Tff7b72=

Tff7b72object Tb4b4b4: T56d364NsdManagerTb4b4b4.Te6edf3ServiceInfoCallback Tb4b4b4{

Tff7b72override Tff7b72fun Td2a8ffonServiceInfoCallbackRegistrationFailedTb4b4b4(Te6edf3errorCodeTb4b4b4: Tffa657IntTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3isResumedTb4b4b4.Te6edf3compareAndSetTb4b4b4(Tff7b72falseTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3continuationTb4b4b4.Te6edf3resumeTb4b4b4(Tff7b72nullTb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonServiceUpdatedTb4b4b4(Te6edf3updatedServiceInfoTb4b4b4: Te6edf3NsdServiceInfoTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3updatedServiceInfoTb4b4b4.Te6edf3hostAddressesTb4b4b4.Te6edf3isNotEmptyTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3isResumedTb4b4b4.Te6edf3compareAndSetTb4b4b4(Tff7b72falseTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3continuationTb4b4b4.Te6edf3resumeTb4b4b4(Te6edf3updatedServiceInfoTb4b4b4)

Tff7b72try Tb4b4b4{

Te6edf3unregisterServiceInfoCallbackTb4b4b4(Tff7b72thisTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3IllegalArgumentExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffAlready unregisteredTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonServiceLostTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3isResumedTb4b4b4.Te6edf3compareAndSetTb4b4b4(Tff7b72falseTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3continuationTb4b4b4.Te6edf3resumeTb4b4b4(Tff7b72nullTb4b4b4)

Tff7b72try Tb4b4b4{

Te6edf3unregisterServiceInfoCallbackTb4b4b4(Tff7b72thisTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3IllegalArgumentExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffAlready unregisteredTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonServiceInfoCallbackUnregisteredTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// No op

Tb4b4b4}

Tb4b4b4}

Te6edf3registerServiceInfoCallbackTb4b4b4(Te6edf3serviceInfoTb4b4b4, Te6edf3DispatchersTb4b4b4.Te6edf3MainTb4b4b4.Te6edf3asExecutorTb4b4b4(Tb4b4b4)Tb4b4b4, Te6edf3callbackTb4b4b4)

Te6edf3continuationTb4b4b4.Te6edf3invokeOnCancellation Tb4b4b4{

Tff7b72try Tb4b4b4{

Te6edf3unregisterServiceInfoCallbackTb4b4b4(Te6edf3callbackTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3IllegalArgumentExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffAlready unregisteredTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4} Tff7b72else Tb4b4b4{

Tff7b72val Te6edf3listener Tff7b72=

Tff7b72object Tb4b4b4: T56d364NsdManagerTb4b4b4.Te6edf3ResolveListener Tb4b4b4{

Tff7b72override Tff7b72fun Td2a8ffonResolveFailedTb4b4b4(Te6edf3serviceInfoTb4b4b4: Te6edf3NsdServiceInfoTb4b4b4, Te6edf3errorCodeTb4b4b4: Tffa657IntTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3isResumedTb4b4b4.Te6edf3compareAndSetTb4b4b4(Tff7b72falseTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3continuationTb4b4b4.Te6edf3resumeTb4b4b4(Tff7b72nullTb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffonServiceResolvedTb4b4b4(Te6edf3serviceInfoTb4b4b4: Te6edf3NsdServiceInfoTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3isResumedTb4b4b4.Te6edf3compareAndSetTb4b4b4(Tff7b72falseTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3continuationTb4b4b4.Te6edf3resumeTb4b4b4(Te6edf3serviceInfoTb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffDEPRECATIONTa5d6ff"Tb4b4b4)

Te6edf3resolveServiceTb4b4b4(Te6edf3serviceInfoTb4b4b4, Te6edf3listenerTb4b4b4)

Tb4b4b4}

Tb4b4b4}