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129 changes: 69 additions & 60 deletions
129
android/lib/talpid/src/main/kotlin/net/mullvad/talpid/ConnectivityListener.kt
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132 changes: 132 additions & 0 deletions
132
android/lib/talpid/src/main/kotlin/net/mullvad/talpid/util/ConnectivityManagerUtil.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| package net.mullvad.talpid.util | ||
|
|
||
| import android.net.ConnectivityManager | ||
| import android.net.ConnectivityManager.NetworkCallback | ||
| import android.net.LinkProperties | ||
| import android.net.Network | ||
| import android.net.NetworkCapabilities | ||
| import android.net.NetworkRequest | ||
| import kotlinx.coroutines.channels.awaitClose | ||
| import kotlinx.coroutines.channels.trySendBlocking | ||
| import kotlinx.coroutines.flow.Flow | ||
| import kotlinx.coroutines.flow.callbackFlow | ||
|
|
||
| sealed interface NetworkEvent { | ||
| data class Available(val network: Network) : NetworkEvent | ||
|
|
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| data object Unavailable : NetworkEvent | ||
|
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| data class LinkPropertiesChanged(val network: Network, val linkProperties: LinkProperties) : | ||
| NetworkEvent | ||
|
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| data class CapabilitiesChanged( | ||
| val network: Network, | ||
| val networkCapabilities: NetworkCapabilities, | ||
| ) : NetworkEvent | ||
|
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| data class BlockedStatusChanged(val network: Network, val blocked: Boolean) : NetworkEvent | ||
|
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| data class Losing(val network: Network, val maxMsToLive: Int) : NetworkEvent | ||
|
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| data class Lost(val network: Network) : NetworkEvent | ||
| } | ||
|
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| fun ConnectivityManager.defaultNetworkFlow(): Flow<NetworkEvent> = | ||
| callbackFlow<NetworkEvent> { | ||
| val callback = | ||
| object : NetworkCallback() { | ||
| override fun onLinkPropertiesChanged( | ||
| network: Network, | ||
| linkProperties: LinkProperties, | ||
| ) { | ||
| super.onLinkPropertiesChanged(network, linkProperties) | ||
| trySendBlocking(NetworkEvent.LinkPropertiesChanged(network, linkProperties)) | ||
| } | ||
|
|
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| override fun onAvailable(network: Network) { | ||
| super.onAvailable(network) | ||
| trySendBlocking(NetworkEvent.Available(network)) | ||
| } | ||
|
|
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| override fun onCapabilitiesChanged( | ||
| network: Network, | ||
| networkCapabilities: NetworkCapabilities, | ||
| ) { | ||
| super.onCapabilitiesChanged(network, networkCapabilities) | ||
| trySendBlocking(NetworkEvent.CapabilitiesChanged(network, networkCapabilities)) | ||
| } | ||
|
|
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| override fun onBlockedStatusChanged(network: Network, blocked: Boolean) { | ||
| super.onBlockedStatusChanged(network, blocked) | ||
| trySendBlocking(NetworkEvent.BlockedStatusChanged(network, blocked)) | ||
| } | ||
|
|
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| override fun onLosing(network: Network, maxMsToLive: Int) { | ||
| super.onLosing(network, maxMsToLive) | ||
| trySendBlocking(NetworkEvent.Losing(network, maxMsToLive)) | ||
| } | ||
|
|
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| override fun onLost(network: Network) { | ||
| super.onLost(network) | ||
| trySendBlocking(NetworkEvent.Lost(network)) | ||
| } | ||
|
|
||
| override fun onUnavailable() { | ||
| super.onUnavailable() | ||
| trySendBlocking(NetworkEvent.Unavailable) | ||
| } | ||
| } | ||
| registerDefaultNetworkCallback(callback) | ||
|
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| awaitClose { unregisterNetworkCallback(callback) } | ||
| } | ||
|
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| fun ConnectivityManager.networkFlow(networkRequest: NetworkRequest): Flow<NetworkEvent> = | ||
| callbackFlow<NetworkEvent> { | ||
| val callback = | ||
| object : NetworkCallback() { | ||
| override fun onLinkPropertiesChanged( | ||
| network: Network, | ||
| linkProperties: LinkProperties, | ||
| ) { | ||
| super.onLinkPropertiesChanged(network, linkProperties) | ||
| trySendBlocking(NetworkEvent.LinkPropertiesChanged(network, linkProperties)) | ||
| } | ||
|
|
||
| override fun onAvailable(network: Network) { | ||
| super.onAvailable(network) | ||
| trySendBlocking(NetworkEvent.Available(network)) | ||
| } | ||
|
|
||
| override fun onCapabilitiesChanged( | ||
| network: Network, | ||
| networkCapabilities: NetworkCapabilities, | ||
| ) { | ||
| super.onCapabilitiesChanged(network, networkCapabilities) | ||
| trySendBlocking(NetworkEvent.CapabilitiesChanged(network, networkCapabilities)) | ||
| } | ||
|
|
||
| override fun onBlockedStatusChanged(network: Network, blocked: Boolean) { | ||
| super.onBlockedStatusChanged(network, blocked) | ||
| trySendBlocking(NetworkEvent.BlockedStatusChanged(network, blocked)) | ||
| } | ||
|
|
||
| override fun onLosing(network: Network, maxMsToLive: Int) { | ||
| super.onLosing(network, maxMsToLive) | ||
| trySendBlocking(NetworkEvent.Losing(network, maxMsToLive)) | ||
| } | ||
|
|
||
| override fun onLost(network: Network) { | ||
| super.onLost(network) | ||
| trySendBlocking(NetworkEvent.Lost(network)) | ||
| } | ||
|
|
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| override fun onUnavailable() { | ||
| super.onUnavailable() | ||
| trySendBlocking(NetworkEvent.Unavailable) | ||
| } | ||
| } | ||
| registerNetworkCallback(networkRequest, callback) | ||
|
|
||
| awaitClose { unregisterNetworkCallback(callback) } | ||
| } |
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