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Code Issues Projects Releases Wiki Activity

Add method for getting reason why plugin is disabled.

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This commit is contained in:
akwizgran
2020-01-16 11:05:36 +00:00
parent d084f6dd8d
commit b6a73f2c98
6 changed files with 163 additions and 54 deletions
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17
bramble-api/src/main/java/org/briarproject/bramble/api/plugin/Plugin.java
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@@ -34,6 +34,13 @@ public interface Plugin {
INACTIVE
}
/**
* Reason code returned by {@link #getReasonDisabled()} ()} to indicate
* that the plugin is disabled because it has not been started or has been
* stopped.
*/
int REASON_STARTING_STOPPING = 0;
/**
* Returns the plugin's transport identifier.
*/
@@ -64,6 +71,16 @@ public interface Plugin {
*/
State getState();
/**
* Returns an integer code indicating why the plugin is
* {@link State#DISABLED disabled}, or -1 if the plugin is not disabled.
* <p>
* The codes used are plugin-specific, except the generic code
* {@link #REASON_STARTING_STOPPING}, which may be used by
* any plugin.
*/
int getReasonDisabled();
/**
* Returns true if the plugin should be polled periodically to attempt to
* establish connections.

4
bramble-api/src/main/java/org/briarproject/bramble/api/plugin/TorConstants.java
View File

@@ -23,4 +23,8 @@ public interface TorConstants {
int PREF_TOR_NETWORK_WITH_BRIDGES = 2;
int PREF_TOR_NETWORK_NEVER = 3;
int REASON_USER = 1;
int REASON_BATTERY = 2;
int REASON_MOBILE_DATA = 3;
int REASON_COUNTRY_BLOCKED = 4;
}

5
bramble-core/src/main/java/org/briarproject/bramble/plugin/bluetooth/BluetoothPlugin.java
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@@ -258,6 +258,11 @@ abstract class BluetoothPlugin<SS> implements DuplexPlugin, EventListener {
return state.getState();
}
@Override
public int getReasonDisabled() {
return getState() == DISABLED ? REASON_STARTING_STOPPING : -1;
}
@Override
public boolean shouldPoll() {
return true;

5
bramble-core/src/main/java/org/briarproject/bramble/plugin/tcp/TcpPlugin.java
View File

@@ -202,6 +202,11 @@ abstract class TcpPlugin implements DuplexPlugin {
return state.getState();
}
@Override
public int getReasonDisabled() {
return getState() == DISABLED ? REASON_STARTING_STOPPING : -1;
}
@Override
public boolean shouldPoll() {
return true;

181
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java
View File

@@ -57,6 +57,7 @@ import java.util.zip.ZipInputStream;
import javax.annotation.Nullable;
import javax.annotation.concurrent.GuardedBy;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.ThreadSafe;
import javax.net.SocketFactory;
@@ -84,6 +85,10 @@ import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_ONLY_WHE
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_PORT;
import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V2;
import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V3;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_BATTERY;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_COUNTRY_BLOCKED;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_MOBILE_DATA;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_USER;
import static org.briarproject.bramble.plugin.tor.TorRendezvousCrypto.SEED_BYTES;
import static org.briarproject.bramble.util.IoUtils.copyAndClose;
import static org.briarproject.bramble.util.IoUtils.tryToClose;
@@ -521,6 +526,11 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
return state.getState();
}
@Override
public int getReasonDisabled() {
return state.getReasonDisabled();
}
@Override
public boolean shouldPoll() {
return true;
@@ -754,62 +764,91 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
boolean charging) {
connectionStatusExecutor.execute(() -> {
if (!state.isRunning()) return;
boolean online = status.isConnected();
boolean wifi = status.isWifi();
String country = locationUtils.getCurrentCountry();
boolean blocked =
circumventionProvider.isTorProbablyBlocked(country);
int network = settings.getInt(PREF_TOR_NETWORK,
PREF_TOR_NETWORK_AUTOMATIC);
boolean useMobile = settings.getBoolean(PREF_TOR_MOBILE, true);
boolean onlyWhenCharging =
settings.getBoolean(PREF_TOR_ONLY_WHEN_CHARGING, false);
boolean bridgesWork = circumventionProvider.doBridgesWork(country);
boolean automatic = network == PREF_TOR_NETWORK_AUTOMATIC;
NetworkConfig config = getNetworkConfig(status, charging);
state.setDisabledBySettings(config.disabledBySettings,
config.reasonDisabled);
callback.pluginStateChanged(getState());
applyNetworkConfig(config);
});
}
if (LOG.isLoggable(INFO)) {
LOG.info("Online: " + online + ", wifi: " + wifi);
if (country.isEmpty()) LOG.info("Country code unknown");
else LOG.info("Country code: " + country);
LOG.info("Charging: " + charging);
private NetworkConfig getNetworkConfig(NetworkStatus status,
boolean charging) {
boolean online = status.isConnected();
boolean wifi = status.isWifi();
String country = locationUtils.getCurrentCountry();
boolean blocked = circumventionProvider.isTorProbablyBlocked(country);
int network =
settings.getInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_AUTOMATIC);
boolean useMobile = settings.getBoolean(PREF_TOR_MOBILE, true);
boolean onlyWhenCharging =
settings.getBoolean(PREF_TOR_ONLY_WHEN_CHARGING, false);
boolean bridgesWork = circumventionProvider.doBridgesWork(country);
boolean automatic = network == PREF_TOR_NETWORK_AUTOMATIC;
if (LOG.isLoggable(INFO)) {
LOG.info("Online: " + online + ", wifi: " + wifi);
if (country.isEmpty()) LOG.info("Country code unknown");
else LOG.info("Country code: " + country);
LOG.info("Charging: " + charging);
}
boolean enableNetwork = false, enableBridges = false;
boolean useMeek = false, enableConnectionPadding = false;
boolean disabledBySettings = false;
int reasonDisabled = REASON_STARTING_STOPPING;
if (!online) {
LOG.info("Disabling network, device is offline");
} else if (network == PREF_TOR_NETWORK_NEVER) {
LOG.info("Disabling network, user has disabled Tor");
disabledBySettings = true;
reasonDisabled = REASON_USER;
} else if (!charging && onlyWhenCharging) {
LOG.info("Disabling network, device is on battery");
disabledBySettings = true;
reasonDisabled = REASON_BATTERY;
} else if (!useMobile && !wifi) {
LOG.info("Disabling network, device is using mobile data");
disabledBySettings = true;
reasonDisabled = REASON_MOBILE_DATA;
} else if (automatic && blocked && !bridgesWork) {
LOG.info("Disabling network, country is blocked");
disabledBySettings = true;
reasonDisabled = REASON_COUNTRY_BLOCKED;
} else if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
(automatic && bridgesWork)) {
if (circumventionProvider.needsMeek(country)) {
LOG.info("Enabling network, using meek bridges");
enableBridges = true;
useMeek = true;
} else {
LOG.info("Enabling network, using obfs4 bridges");
enableBridges = true;
}
enableNetwork = true;
} else {
LOG.info("Enabling network, not using bridges");
enableNetwork = true;
}
if (online && wifi && charging) {
LOG.info("Enabling connection padding");
enableConnectionPadding = true;
} else {
LOG.info("Disabling connection padding");
}
return new NetworkConfig(enableNetwork, enableBridges, useMeek,
enableConnectionPadding, disabledBySettings, reasonDisabled);
}
private void applyNetworkConfig(NetworkConfig config) {
connectionStatusExecutor.execute(() -> {
try {
if (!online) {
LOG.info("Disabling network, device is offline");
enableNetwork(false);
} else if (!charging && onlyWhenCharging) {
LOG.info("Disabling network, device is on battery");
enableNetwork(false);
} else if (network == PREF_TOR_NETWORK_NEVER ||
(!useMobile && !wifi)) {
LOG.info("Disabling network, device is using mobile data");
enableNetwork(false);
} else if (automatic && blocked && !bridgesWork) {
LOG.info("Disabling network, country is blocked");
enableNetwork(false);
} else if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
(automatic && bridgesWork)) {
if (circumventionProvider.needsMeek(country)) {
LOG.info("Enabling network, using meek bridges");
enableBridges(true, true);
} else {
LOG.info("Enabling network, using obfs4 bridges");
enableBridges(true, false);
}
enableNetwork(true);
} else {
LOG.info("Enabling network, not using bridges");
enableBridges(false, false);
enableNetwork(true);
}
if (online && wifi && charging) {
LOG.info("Enabling connection padding");
enableConnectionPadding(true);
} else {
LOG.info("Disabling connection padding");
enableConnectionPadding(false);
}
enableBridges(config.enableBridges, config.useMeek);
enableNetwork(config.enableNetwork);
enableConnectionPadding(config.enableConnectionPadding);
} catch (IOException e) {
logException(LOG, WARNING, e);
}
@@ -821,6 +860,26 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
controlConnection.setConf("ConnectionPadding", enable ? "1" : "0");
}
@Immutable
@NotNullByDefault
private static class NetworkConfig {
private final boolean enableNetwork, enableBridges, useMeek;
private final boolean enableConnectionPadding, disabledBySettings;
private final int reasonDisabled;
private NetworkConfig(boolean enableNetwork, boolean enableBridges,
boolean useMeek, boolean enableConnectionPadding,
boolean disabledBySettings, int reasonDisabled) {
this.enableNetwork = enableNetwork;
this.enableBridges = enableBridges;
this.useMeek = useMeek;
this.enableConnectionPadding = enableConnectionPadding;
this.disabledBySettings = disabledBySettings;
this.reasonDisabled = reasonDisabled;
}
}
@ThreadSafe
@NotNullByDefault
protected static class PluginState {
@@ -831,7 +890,11 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
networkInitialised = false,
networkEnabled = false,
bootstrapped = false,
circuitBuilt = false;
circuitBuilt = false,
disabledBySettings = false;
@GuardedBy("this")
private int reasonDisabled = REASON_STARTING_STOPPING;
@GuardedBy("this")
@Nullable
@@ -869,6 +932,12 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
if (!enable) circuitBuilt = false;
}
synchronized void setDisabledBySettings(boolean disabledBySettings,
int reasonDisabled) {
this.disabledBySettings = disabledBySettings;
this.reasonDisabled = reasonDisabled;
}
synchronized boolean setServerSocket(ServerSocket ss) {
if (stopped || serverSocket != null) return false;
serverSocket = ss;
@@ -880,10 +949,14 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
}
synchronized State getState() {
if (!started || stopped) return DISABLED;
if (!started || stopped || disabledBySettings) return DISABLED;
if (!networkInitialised) return ENABLING;
if (!networkEnabled) return INACTIVE;
return bootstrapped && circuitBuilt ? ACTIVE : ENABLING;
}
synchronized int getReasonDisabled() {
return getState() == DISABLED ? reasonDisabled : -1;
}
}
}

5
bramble-java/src/main/java/org/briarproject/bramble/plugin/modem/ModemPlugin.java
View File

@@ -124,6 +124,11 @@ class ModemPlugin implements DuplexPlugin, Modem.Callback {
return state.getState();
}
@Override
public int getReasonDisabled() {
return getState() == DISABLED ? REASON_STARTING_STOPPING : -1;
}
@Override
public boolean shouldPoll() {
return false;