Node / meshtastic / Meshtastic-Android / files / core / network / src / jvmMain / kotlin / org / meshtastic / core / network / repository / JvmServiceDiscovery.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/>.

*/

Tff7b72package T7ee787org.meshtastic.core.network.repository

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787kotlinx.coroutines.channels.awaitClose

Tff7b72import T7ee787kotlinx.coroutines.flow.Flow

Tff7b72import T7ee787kotlinx.coroutines.flow.callbackFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.flowOn

Tff7b72import T7ee787org.koin.core.annotation.Single

Tff7b72import T7ee787org.meshtastic.core.di.CoroutineDispatchers

Tff7b72import T7ee787java.io.IOException

Tff7b72import T7ee787java.net.InetAddress

Tff7b72import T7ee787java.net.NetworkInterface

Tff7b72import T7ee787javax.jmdns.JmDNS

Tff7b72import T7ee787javax.jmdns.ServiceEvent

Tff7b72import T7ee787javax.jmdns.ServiceListener

Tf0883e@SingleTb4b4b4(Te6edf3binds Tff7b72= Tff7b72[Te6edf3ServiceDiscoveryTff7b72::Te6edf3classTff7b72]Tb4b4b4)

Tff7b72class T56d364JvmServiceDiscoveryTb4b4b4(Tff7b72private Tff7b72val Te6edf3dispatchersTb4b4b4: Te6edf3CoroutineDispatchersTb4b4b4) Tb4b4b4: Te6edf3ServiceDiscovery Tb4b4b4{

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4)

Tff7b72override Tff7b72val Te6edf3resolvedServicesTb4b4b4: Te6edf3FlowTff7b72<Te6edf3ListTff7b72<Te6edf3DiscoveredServiceTff7b72>Tff7b72> Tff7b72=

Te6edf3callbackFlow Tb4b4b4{

Te6edf3trySendTb4b4b4(Te6edf3emptyListTb4b4b4(Tb4b4b4)Tb4b4b4) T8b949e// Emit initial empty list so downstream combine() is not blocked

Tff7b72val Te6edf3bindAddress Tff7b72= Te6edf3findLanAddressTb4b4b4(Tb4b4b4) Tff7b72?: Te6edf3InetAddressTb4b4b4.Te6edf3getLocalHostTb4b4b4(Tb4b4b4)

Te6edf3LoggerTb4b4b4.Te6edf3i Tb4b4b4{ Ta5d6ff"Ta5d6ffJmDNS binding to Tffd700${Te6edf3bindAddressTb4b4b4.Te6edf3hostAddressTffd700}Ta5d6ff" Tb4b4b4}

Tff7b72val Te6edf3jmdns Tff7b72=

Tff7b72try Tb4b4b4{

Te6edf3JmDNSTb4b4b4.Te6edf3createTb4b4b4(Te6edf3bindAddressTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3IOExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffFailed to create JmDNSTa5d6ff" Tb4b4b4}

Tff7b72null

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

Tff7b72throw Te6edf3e

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffUnexpected error creating JmDNSTa5d6ff" Tb4b4b4}

Tff7b72null

Tb4b4b4}

Tff7b72val Te6edf3services Tff7b72= Te6edf3mutableMapOfTff7b72<Tffa657StringTb4b4b4, Te6edf3DiscoveredServiceTff7b72>Tb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3listener Tff7b72=

Tff7b72object Tb4b4b4: T56d364ServiceListener Tb4b4b4{

Tff7b72override Tff7b72fun Td2a8ffserviceAddedTb4b4b4(Te6edf3eventTb4b4b4: Te6edf3ServiceEventTb4b4b4) Tb4b4b4{

Te6edf3jmdnsTff7b72?.Te6edf3requestServiceInfoTb4b4b4(Te6edf3eventTb4b4b4.Te6edf3typeTb4b4b4, Te6edf3eventTb4b4b4.Te6edf3nameTb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffserviceRemovedTb4b4b4(Te6edf3eventTb4b4b4: Te6edf3ServiceEventTb4b4b4) Tb4b4b4{

Te6edf3servicesTb4b4b4.Te6edf3removeTb4b4b4(Te6edf3eventTb4b4b4.Te6edf3nameTb4b4b4)

Te6edf3trySendTb4b4b4(Te6edf3servicesTb4b4b4.Te6edf3valuesTb4b4b4.Te6edf3toListTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffserviceResolvedTb4b4b4(Te6edf3eventTb4b4b4: Te6edf3ServiceEventTb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3info Tff7b72= Te6edf3eventTb4b4b4.Te6edf3info

Tff7b72val Te6edf3txtMap Tff7b72= Te6edf3mutableMapOfTff7b72<Tffa657StringTb4b4b4, Te6edf3ByteArrayTff7b72>Tb4b4b4(Tb4b4b4)

Te6edf3infoTb4b4b4.Te6edf3propertyNamesTb4b4b4.Te6edf3toListTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3forEach Tb4b4b4{ Te6edf3key Tff7b72-Tff7b72>

Te6edf3infoTb4b4b4.Te6edf3getPropertyBytesTb4b4b4(Te6edf3keyTb4b4b4)Tff7b72?.Te6edf3let Tb4b4b4{ Te6edf3value Tff7b72-Tff7b72> Te6edf3txtMapTff7b72[Te6edf3keyTff7b72] Tff7b72= Te6edf3value Tb4b4b4}

Tb4b4b4}

Tff7b72val Te6edf3discovered Tff7b72=

Te6edf3DiscoveredServiceTb4b4b4(

Te6edf3name Tff7b72= Te6edf3infoTb4b4b4.Te6edf3nameTb4b4b4,

Te6edf3hostAddress Tff7b72= Te6edf3infoTb4b4b4.Te6edf3hostAddressesTb4b4b4.Te6edf3firstOrNullTb4b4b4(Tb4b4b4) Tff7b72?: Ta5d6ff"Ta5d6ff"Tb4b4b4,

Te6edf3port Tff7b72= Te6edf3infoTb4b4b4.Te6edf3portTb4b4b4,

Te6edf3txt Tff7b72= Te6edf3txtMapTb4b4b4,

Tb4b4b4)

Te6edf3servicesTff7b72[Te6edf3infoTb4b4b4.Te6edf3nameTff7b72] Tff7b72= Te6edf3discovered

Te6edf3trySendTb4b4b4(Te6edf3servicesTb4b4b4.Te6edf3valuesTb4b4b4.Te6edf3toListTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tff7b72val Te6edf3type Tff7b72= Ta5d6ff"Tffd700${Te6edf3NetworkConstantsTb4b4b4.Te6edf3SERVICE_TYPETffd700}Ta5d6ff.local.Ta5d6ff"

Te6edf3jmdnsTff7b72?.Te6edf3addServiceListenerTb4b4b4(Te6edf3typeTb4b4b4, Te6edf3listenerTb4b4b4)

Te6edf3awaitClose Tb4b4b4{

Te6edf3jmdnsTff7b72?.Te6edf3removeServiceListenerTb4b4b4(Te6edf3typeTb4b4b4, Te6edf3listenerTb4b4b4)

Tff7b72try Tb4b4b4{

Te6edf3jmdnsTff7b72?.Te6edf3closeTb4b4b4(Tb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3IOExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffFailed to close JmDNSTa5d6ff" Tb4b4b4}

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3eTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffUnexpected error closing JmDNSTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4.Te6edf3flowOnTb4b4b4(Te6edf3dispatchersTb4b4b4.Te6edf3ioTb4b4b4)

Tff7b72companion Tff7b72object Tb4b4b4{

T8b949e/**

* Finds a non-loopback, up, IPv4 LAN address for JmDNS to bind to. On many systems (especially Windows),

* [InetAddress.getLocalHost] resolves to `127.0.0.1` or `::1`, which prevents JmDNS from seeing multicast

* traffic on the actual LAN interface.

*/

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffLoopWithTooManyJumpStatementsTa5d6ff"Tb4b4b4)

Tff7b72internal Tff7b72fun Td2a8fffindLanAddressTb4b4b4(Tb4b4b4)Tb4b4b4: Te6edf3InetAddress? Tff7b72= Tff7b72try Tb4b4b4{

Te6edf3NetworkInterfaceTb4b4b4.Te6edf3getNetworkInterfacesTb4b4b4(Tb4b4b4)

Tff7b72?.Te6edf3toListTb4b4b4(Tb4b4b4)

Tb4b4b4.Te6edf3orEmptyTb4b4b4(Tb4b4b4)

Tb4b4b4.Te6edf3filter Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3isUp Tff7b72&Tff7b72& Tff7b72!Tffa657itTb4b4b4.Te6edf3isLoopback Tb4b4b4}

Tb4b4b4.Te6edf3flatMap Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3inetAddressesTb4b4b4.Te6edf3toListTb4b4b4(Tb4b4b4) Tb4b4b4}

Tb4b4b4.Te6edf3firstOrNull Tb4b4b4{ Tff7b72!Tffa657itTb4b4b4.Te6edf3isLoopbackAddress Tff7b72&Tff7b72& Tffa657it Tff7b72is Te6edf3javaTb4b4b4.Te6edf3netTb4b4b4.Te6edf3Inet4Address Tb4b4b4}

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffFailed to enumerate network interfaces, falling back to getLocalHost()Ta5d6ff" Tb4b4b4}

Tff7b72null

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}