mirror of
https://github.com/meshtastic/Meshtastic-Android.git
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105 lines
4.3 KiB
Kotlin
105 lines
4.3 KiB
Kotlin
/*
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* Copyright (c) 2025-2026 Meshtastic LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.geeksville.mesh.service
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import co.touchlab.kermit.Logger
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import com.geeksville.mesh.concurrent.handledLaunch
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import com.meshtastic.core.strings.getString
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.SupervisorJob
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import org.meshtastic.core.data.repository.NodeRepository
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import org.meshtastic.core.data.repository.TracerouteSnapshotRepository
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import org.meshtastic.core.model.fullRouteDiscovery
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import org.meshtastic.core.model.getFullTracerouteResponse
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import org.meshtastic.core.service.ServiceRepository
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import org.meshtastic.core.service.TracerouteResponse
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import org.meshtastic.core.strings.Res
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import org.meshtastic.core.strings.unknown_username
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import org.meshtastic.proto.MeshProtos.MeshPacket
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import java.util.Locale
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import javax.inject.Inject
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import javax.inject.Singleton
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@Singleton
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class MeshTracerouteHandler
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@Inject
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constructor(
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private val nodeManager: MeshNodeManager,
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private val serviceRepository: ServiceRepository,
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private val tracerouteSnapshotRepository: TracerouteSnapshotRepository,
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private val nodeRepository: NodeRepository,
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private val commandSender: MeshCommandSender,
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) {
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private var scope: CoroutineScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
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fun start(scope: CoroutineScope) {
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this.scope = scope
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}
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fun handleTraceroute(packet: MeshPacket, logUuid: String?, logInsertJob: kotlinx.coroutines.Job?) {
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val full =
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packet.getFullTracerouteResponse { num ->
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nodeManager.nodeDBbyNodeNum[num]?.let { "${it.longName} (${it.shortName})" }
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?: getString(Res.string.unknown_username)
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} ?: return
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val requestId = packet.decoded.requestId
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if (logUuid != null) {
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scope.handledLaunch {
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logInsertJob?.join()
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val routeDiscovery = packet.fullRouteDiscovery
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val forwardRoute = routeDiscovery?.routeList.orEmpty()
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val returnRoute = routeDiscovery?.routeBackList.orEmpty()
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val routeNodeNums = (forwardRoute + returnRoute).distinct()
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val nodeDbByNum = nodeRepository.nodeDBbyNum.value
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val snapshotPositions =
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routeNodeNums.mapNotNull { num -> nodeDbByNum[num]?.validPosition?.let { num to it } }.toMap()
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tracerouteSnapshotRepository.upsertSnapshotPositions(logUuid, requestId, snapshotPositions)
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}
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}
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val start = commandSender.tracerouteStartTimes.remove(requestId)
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val responseText =
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if (start != null) {
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val elapsedMs = System.currentTimeMillis() - start
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val seconds = elapsedMs / MILLISECONDS_IN_SECOND
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Logger.i { "Traceroute $requestId complete in $seconds s" }
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String.format(Locale.US, "%s\n\nDuration: %.1f s", full, seconds)
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} else {
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full
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}
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val routeDiscovery = packet.fullRouteDiscovery
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val destination = routeDiscovery?.routeList?.firstOrNull() ?: routeDiscovery?.routeBackList?.lastOrNull() ?: 0
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serviceRepository.setTracerouteResponse(
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TracerouteResponse(
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message = responseText,
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destinationNodeNum = destination,
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requestId = requestId,
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forwardRoute = routeDiscovery?.routeList.orEmpty(),
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returnRoute = routeDiscovery?.routeBackList.orEmpty(),
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logUuid = logUuid,
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),
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)
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}
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companion object {
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private const val MILLISECONDS_IN_SECOND = 1000.0
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}
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}
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