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Code Issues Projects Releases Wiki Activity

Use Tor's OR connection events to detect lost connectivity.

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This commit is contained in:
akwizgran
2017-12-22 13:50:35 +00:00
parent f641e16512
commit 117e88bf1f
1 changed files with 50 additions and 35 deletions
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85
bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java
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@@ -60,6 +60,8 @@ import java.util.Scanner;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import java.util.zip.ZipInputStream;
@@ -114,6 +116,7 @@ class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
private final File torDirectory, torFile, geoIpFile, configFile;
private final File doneFile, cookieFile;
private final PowerManager.WakeLock wakeLock;
private final Lock connectionStatusLock;
private final AtomicBoolean used = new AtomicBoolean(false);
private volatile boolean running = false;
@@ -152,6 +155,7 @@ class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
// This tag will prevent Huawei's powermanager from killing us.
wakeLock = pm.newWakeLock(PARTIAL_WAKE_LOCK, "LocationManagerService");
wakeLock.setReferenceCounted(false);
connectionStatusLock = new ReentrantLock();
}
@Override
@@ -618,6 +622,8 @@ class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
@Override
public void orConnStatus(String status, String orName) {
if (LOG.isLoggable(INFO)) LOG.info("OR connection " + status);
if (status.equals("CLOSED") || status.equals("FAILED"))
updateConnectionStatus(); // Check whether we've lost connectivity
}
@Override
@@ -657,7 +663,7 @@ class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
}
@Override
public void onEvent(int event, String path) {
public void onEvent(int event, @Nullable String path) {
stopWatching();
latch.countDown();
}
@@ -677,45 +683,54 @@ class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
private void updateConnectionStatus() {
ioExecutor.execute(() -> {
if (!running) return;
Object o = appContext.getSystemService(CONNECTIVITY_SERVICE);
ConnectivityManager cm = (ConnectivityManager) o;
NetworkInfo net = cm.getActiveNetworkInfo();
boolean online = net != null && net.isConnected();
boolean wifi = online && net.getType() == TYPE_WIFI;
String country = locationUtils.getCurrentCountry();
boolean blocked = TorNetworkMetadata.isTorProbablyBlocked(
country);
Settings s = callback.getSettings();
int network = s.getInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_ALWAYS);
if (LOG.isLoggable(INFO)) {
LOG.info("Online: " + online + ", wifi: " + wifi);
if ("".equals(country)) LOG.info("Country code unknown");
else LOG.info("Country code: " + country);
}
try {
if (!online) {
LOG.info("Disabling network, device is offline");
enableNetwork(false);
} else if (blocked) {
LOG.info("Disabling network, country is blocked");
enableNetwork(false);
} else if (network == PREF_TOR_NETWORK_NEVER
|| (network == PREF_TOR_NETWORK_WIFI && !wifi)) {
LOG.info("Disabling network due to data setting");
enableNetwork(false);
} else {
LOG.info("Enabling network");
enableNetwork(true);
}
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
connectionStatusLock.lock();
updateConnectionStatusLocked();
} finally {
connectionStatusLock.unlock();
}
});
}
// Locking: connectionStatusLock
private void updateConnectionStatusLocked() {
Object o = appContext.getSystemService(CONNECTIVITY_SERVICE);
ConnectivityManager cm = (ConnectivityManager) o;
NetworkInfo net = cm.getActiveNetworkInfo();
boolean online = net != null && net.isConnected();
boolean wifi = online && net.getType() == TYPE_WIFI;
String country = locationUtils.getCurrentCountry();
boolean blocked = TorNetworkMetadata.isTorProbablyBlocked(
country);
Settings s = callback.getSettings();
int network = s.getInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_ALWAYS);
if (LOG.isLoggable(INFO)) {
LOG.info("Online: " + online + ", wifi: " + wifi);
if ("".equals(country)) LOG.info("Country code unknown");
else LOG.info("Country code: " + country);
}
try {
if (!online) {
LOG.info("Disabling network, device is offline");
enableNetwork(false);
} else if (blocked) {
LOG.info("Disabling network, country is blocked");
enableNetwork(false);
} else if (network == PREF_TOR_NETWORK_NEVER
|| (network == PREF_TOR_NETWORK_WIFI && !wifi)) {
LOG.info("Disabling network due to data setting");
enableNetwork(false);
} else {
LOG.info("Enabling network");
enableNetwork(true);
}
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
}
private class NetworkStateReceiver extends BroadcastReceiver {
@Override