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Fix a missing synchronized

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This commit is contained in:
Mygod
2019-07-16 09:40:05 +08:00
parent 2adf3221b8
commit 983e80596b
1 changed files with 34 additions and 30 deletions
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64
mobile/src/main/java/be/mygod/vpnhotspot/net/monitor/DefaultNetworkMonitor.kt
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@@ -23,48 +23,52 @@ object DefaultNetworkMonitor : UpstreamMonitor() {
override fun onAvailable(network: Network) {
val properties = app.connectivity.getLinkProperties(network)
val ifname = properties?.interfaceName ?: return
when (currentNetwork) {
null -> { }
network -> {
val oldProperties = currentLinkProperties!!
check(ifname == oldProperties.interfaceName)
if (properties.dnsServers == oldProperties.dnsServers) return
synchronized(this@DefaultNetworkMonitor) {
when (currentNetwork) {
null -> { }
network -> {
val oldProperties = currentLinkProperties!!
check(ifname == oldProperties.interfaceName)
if (properties.dnsServers == oldProperties.dnsServers) return
}
else -> callbacks.forEach { it.onLost() } // we are using the other default network now
}
else -> callbacks.forEach { it.onLost() } // we are using the other default network now
currentNetwork = network
currentLinkProperties = properties
callbacks.forEach { it.onAvailable(ifname, properties.dnsServers) }
}
currentNetwork = network
currentLinkProperties = properties
callbacks.forEach { it.onAvailable(ifname, properties.dnsServers) }
}
override fun onLinkPropertiesChanged(network: Network, properties: LinkProperties) {
if (currentNetwork == null) {
onAvailable(network)
return
}
if (currentNetwork != network) return
val oldProperties = currentLinkProperties!!
currentLinkProperties = properties
val ifname = properties.interfaceName
when {
ifname == null -> {
Timber.w("interfaceName became null: $oldProperties -> $properties")
onLost(network)
synchronized(this@DefaultNetworkMonitor) {
if (currentNetwork == null) {
onAvailable(network)
return
}
ifname != oldProperties.interfaceName -> {
Timber.w(RuntimeException("interfaceName changed: $oldProperties -> $properties"))
callbacks.forEach {
it.onLost()
if (currentNetwork != network) return
val oldProperties = currentLinkProperties!!
currentLinkProperties = properties
val ifname = properties.interfaceName
when {
ifname == null -> {
Timber.w("interfaceName became null: $oldProperties -> $properties")
onLost(network)
}
ifname != oldProperties.interfaceName -> {
Timber.w(RuntimeException("interfaceName changed: $oldProperties -> $properties"))
callbacks.forEach {
it.onLost()
it.onAvailable(ifname, properties.dnsServers)
}
}
properties.dnsServers != oldProperties.dnsServers -> callbacks.forEach {
it.onAvailable(ifname, properties.dnsServers)
}
}
properties.dnsServers != oldProperties.dnsServers -> callbacks.forEach {
it.onAvailable(ifname, properties.dnsServers)
}
}
}
override fun onLost(network: Network) {
override fun onLost(network: Network) = synchronized(this@DefaultNetworkMonitor) {
if (currentNetwork != network) return
callbacks.forEach { it.onLost() }
currentNetwork = null