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/*
* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.model
import androidx.databinding.BaseObservable
import androidx.databinding.Bindable
import com.wireguard.android.BR
import com.wireguard.android.backend.Statistics
import com.wireguard.android.backend.Tunnel
import com.wireguard.android.util.ExceptionLoggers
import com.wireguard.config.Config
import com.wireguard.android.databinding.Keyed
import java9.util.concurrent.CompletableFuture
import java9.util.concurrent.CompletionStage
/**
* Encapsulates the volatile and nonvolatile state of a WireGuard tunnel.
*/
class ObservableTunnel internal constructor(
private val manager: TunnelManager,
private var name: String,
config: Config?,
state: Tunnel.State
) : BaseObservable(), Keyed<String>, Tunnel {
override val key = name
@Bindable
override fun getName() = name
fun setNameAsync(name: String): CompletionStage<String> = if (name != this.name)
manager.setTunnelName(this, name)
else
CompletableFuture.completedFuture(this.name)
fun onNameChanged(name: String): String {
this.name = name
notifyPropertyChanged(BR.name)
return name
}
@get:Bindable
var state = state
private set
override fun onStateChange(newState: Tunnel.State) {
onStateChanged(newState)
}
fun onStateChanged(state: Tunnel.State): Tunnel.State {
if (state != Tunnel.State.UP) onStatisticsChanged(null)
this.state = state
notifyPropertyChanged(BR.state)
return state
}
fun setStateAsync(state: Tunnel.State): CompletionStage<Tunnel.State> = if (state != this.state)
manager.setTunnelState(this, state)
else
CompletableFuture.completedFuture(this.state)
@get:Bindable
var config = config
get() {
if (field == null)
manager.getTunnelConfig(this).whenComplete(ExceptionLoggers.E)
return field
}
private set
val configAsync: CompletionStage<Config>
get() = if (config == null)
manager.getTunnelConfig(this)
else
CompletableFuture.completedFuture(config)
fun setConfigAsync(config: Config): CompletionStage<Config> = if (config != this.config)
manager.setTunnelConfig(this, config)
else
CompletableFuture.completedFuture(this.config)
fun onConfigChanged(config: Config?): Config? {
this.config = config
notifyPropertyChanged(BR.config)
return config
}
@get:Bindable
var statistics: Statistics? = null
get() {
if (field == null || field!!.isStale)
manager.getTunnelStatistics(this).whenComplete(ExceptionLoggers.E)
return field
}
private set
val statisticsAsync: CompletionStage<Statistics>
get() = if (statistics == null || statistics!!.isStale)
manager.getTunnelStatistics(this)
else
CompletableFuture.completedFuture(statistics)
fun onStatisticsChanged(statistics: Statistics?): Statistics? {
this.statistics = statistics
notifyPropertyChanged(BR.statistics)
return statistics
}
fun delete(): CompletionStage<Void> = manager.delete(this)
}
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