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Code Issues Projects Releases Wiki Activity

1. fix for DNS unavailability

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This commit is contained in:
vadym 2020-06-29 02:30:31 -07:00
parent 5217204670
commit bf491944d4
2 changed files with 30 additions and 5 deletions
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8
app/src/main/java/io/github/chronosx88/yggdrasil/MainActivity.kt
View File

@ -127,7 +127,7 @@ class MainActivity : AppCompatActivity() {
// No services have actually been discovered yet, so this method
// can often be left blank. Code for peer discovery goes in the
// onReceive method, detailed below.
showToast("discover peers success")
//showToast("discover peers success")
}
override fun onFailure(reasonCode: Int) {
@ -383,11 +383,11 @@ class MainActivity : AppCompatActivity() {
}
private fun updateThisDevice(wifiP2pDevice: WifiP2pDevice) {
showToast("update device:"+wifiP2pDevice.deviceName+" address:"+wifiP2pDevice.deviceAddress)
//showToast("update device:"+wifiP2pDevice.deviceName+" address:"+wifiP2pDevice.deviceAddress)
}
private fun setIsWifiP2pEnabled(b: Boolean) {
showToast("WifiP2pEnabled="+b)
//showToast("WifiP2pEnabled="+b)
}
/** register the BroadcastReceiver with the intent values to be matched */
@ -413,7 +413,7 @@ class MainActivity : AppCompatActivity() {
// If an AdapterView is backed by this data, notify it // of the change. For instance, if you have a ListView of available // peers, trigger an update.
//((WiFiPeerListAdapter) getListAdapter()).notifyDataSetChanged(); if (peers.size() == 0) { Log.d(WiFiDirectActivity.TAG, "No devices found"); return; } }
//just show message
showToast("available peers:"+this@MainActivity.wirelessPeers.size)
//showToast("available peers:"+this@MainActivity.wirelessPeers.size)
}
}

27
app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
View File

@ -1,7 +1,10 @@
package io.github.chronosx88.yggdrasil
import android.app.PendingIntent
import android.content.Context
import android.content.Intent
import android.net.ConnectivityManager
import android.net.Network
import android.net.VpnService
import android.os.ParcelFileDescriptor
import android.system.OsConstants
@ -17,6 +20,7 @@ import kotlinx.coroutines.*
import mobile.Mobile
import mobile.Yggdrasil
import java.io.*
import java.net.Inet6Address
import java.nio.ByteBuffer
@ -63,7 +67,6 @@ class YggdrasilTunService : VpnService() {
private fun setupIOStreams(dns: MutableSet<DNSInfo>){
address = ygg.addressString
var builder = Builder()
.addAddress(address, 7)
.allowFamily(OsConstants.AF_INET)
.setMtu(MAX_PACKET_SIZE)
if (dns.size > 0) {
@ -72,6 +75,12 @@ class YggdrasilTunService : VpnService() {
builder.addDnsServer(d.address)
}
}
/*
fix for DNS unavailability
*/
if(!hasIpv6DefaultRoute()){
builder.addRoute("::",0)
}
if(tunInterface!=null){
tunInterface!!.close()
tunInputStream!!.close()
@ -193,4 +202,20 @@ class YggdrasilTunService : VpnService() {
super.onDestroy()
stopSelf()
}
private fun hasIpv6DefaultRoute(): Boolean {
val cm =
getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
val networks = cm.allNetworks
for (network in networks) {
val linkProperties = cm.getLinkProperties(network)
val routes = linkProperties.routes
for (route in routes) {
if (route.isDefaultRoute && route.gateway is Inet6Address) {
return true
}
}
}
return false
}
}