/*
* Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
* Copyright (C) 2017-2018 Pacien TRAN-GIRARD
*
* 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 .
*/
package org.pacien.tincapp.activities.status.nodes
import android.arch.lifecycle.LiveData
import org.pacien.tincapp.commands.Tinc
import java.util.*
import kotlin.concurrent.timer
/**
* @author pacien
*/
class NodeListLiveData(private val netName: String) : LiveData>() {
private val updateInterval = 2 * 1000L // in milliseconds
private val tincCtl = Tinc
private lateinit var updateTimer: Timer
override fun onActive() {
updateTimer = timer(period = updateInterval, action = { updateNodeList() })
}
override fun onInactive() {
updateTimer.apply { cancel() }.apply { purge() }
}
private fun updateNodeList() {
tincCtl.dumpNodes(netName)
.thenApply { list -> list.map { it.substringBefore(' ')} }
.thenAccept(this::postValue)
}
}