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Code Issues Projects Releases Wiki Activity

Hold partial wake lock to keep Tor connections alive.

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This commit is contained in:
akwizgran
2016-04-22 10:40:24 +01:00
parent c35cad9719
commit 63d849b684
2 changed files with 24 additions and 9 deletions
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1
briar-android/AndroidManifest.xml
View File

@@ -24,6 +24,7 @@
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_LOGS"/>
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<!-- Since API 23, this is needed to add contacts via Bluetooth -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

32
briar-android/src/org/briarproject/plugins/tor/TorPlugin.java
View File

@@ -7,6 +7,7 @@ import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.FileObserver;
import android.os.PowerManager;
import net.freehaven.tor.control.EventHandler;
import net.freehaven.tor.control.TorControlConnection;
@@ -57,9 +58,11 @@ import java.util.zip.ZipInputStream;
import static android.content.Context.CONNECTIVITY_SERVICE;
import static android.content.Context.MODE_PRIVATE;
import static android.content.Context.POWER_SERVICE;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
import static android.net.ConnectivityManager.EXTRA_NO_CONNECTIVITY;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.os.PowerManager.PARTIAL_WAKE_LOCK;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
@@ -94,6 +97,7 @@ class TorPlugin implements DuplexPlugin, EventHandler,
private final File cookieFile, hostnameFile;
private final AtomicBoolean circuitBuilt;
private final AtomicInteger descriptorsPublished;
private final PowerManager.WakeLock wakeLock;
private volatile boolean running = false, networkEnabled = false;
private volatile boolean bootstrapped = false;
@@ -132,6 +136,10 @@ class TorPlugin implements DuplexPlugin, EventHandler,
hostnameFile = new File(torDirectory, "hs/hostname");
circuitBuilt = new AtomicBoolean(false);
descriptorsPublished = new AtomicInteger(0);
Object o = appContext.getSystemService(POWER_SERVICE);
PowerManager pm = (PowerManager) o;
wakeLock = pm.newWakeLock(PARTIAL_WAKE_LOCK, "TorPlugin");
wakeLock.setReferenceCounted(false);
}
public TransportId getId() {
@@ -488,6 +496,7 @@ class TorPlugin implements DuplexPlugin, EventHandler,
private void enableNetwork(boolean enable) throws IOException {
if (!running) return;
if (LOG.isLoggable(INFO)) LOG.info("Enabling network: " + enable);
if (enable) wakeLock.acquire();
if (!enable) {
circuitBuilt.set(false);
descriptorsPublished.set(0);
@@ -496,6 +505,7 @@ class TorPlugin implements DuplexPlugin, EventHandler,
}
networkEnabled = enable;
controlConnection.setConf("DisableNetwork", enable ? "0" : "1");
if (!enable) wakeLock.release();
}
public void stop() throws IOException {
@@ -517,6 +527,7 @@ class TorPlugin implements DuplexPlugin, EventHandler,
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
wakeLock.release();
}
public boolean isRunning() {
@@ -709,15 +720,18 @@ class TorPlugin implements DuplexPlugin, EventHandler,
@Override
public void onReceive(Context ctx, Intent i) {
if (!running) return;
online = !i.getBooleanExtra(EXTRA_NO_CONNECTIVITY, false);
// Some devices fail to set EXTRA_NO_CONNECTIVITY, double check
Object o = ctx.getSystemService(CONNECTIVITY_SERVICE);
ConnectivityManager cm = (ConnectivityManager) o;
NetworkInfo net = cm.getActiveNetworkInfo();
if (net == null || !net.isConnected()) online = false;
connectedToWifi = (net != null && net.getType() == TYPE_WIFI
&& net.isConnected());
updateConnectionStatus();
if (CONNECTIVITY_ACTION.equals(i.getAction())) {
LOG.info("Detected connectivity change");
online = !i.getBooleanExtra(EXTRA_NO_CONNECTIVITY, false);
// Some devices fail to set EXTRA_NO_CONNECTIVITY, double check
Object o = ctx.getSystemService(CONNECTIVITY_SERVICE);
ConnectivityManager cm = (ConnectivityManager) o;
NetworkInfo net = cm.getActiveNetworkInfo();
if (net == null || !net.isConnected()) online = false;
connectedToWifi = (net != null && net.getType() == TYPE_WIFI
&& net.isConnected());
updateConnectionStatus();
}
}
}
}