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Code Issues Projects Releases Wiki Activity

Turn off Bluetooth at shutdown if we turned it on at startup.

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Also, turn on Bluetooth if necessary before polling. Fixes issue
#3611935
This commit is contained in:
akwizgran
2013-05-01 11:39:10 +01:00
parent d24d4adf7f
commit 5179e2fde1
1 changed files with 43 additions and 9 deletions
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52
briar-core/src/net/sf/briar/plugins/droidtooth/DroidtoothPlugin.java
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@@ -65,6 +65,7 @@ class DroidtoothPlugin implements DuplexPlugin {
private final long maxLatency, pollingInterval;
private volatile boolean running = false;
private volatile boolean wasEnabled = false, isEnabled = false;
// Non-null if running has ever been true
private volatile BluetoothAdapter adapter = null;
@@ -109,8 +110,12 @@ class DroidtoothPlugin implements DuplexPlugin {
} catch(ExecutionException e) {
throw new IOException(e.toString());
}
if(adapter == null) return false; // Bluetooth not supported
if(adapter == null) {
if(LOG.isLoggable(INFO)) LOG.info("Bluetooth is not supported");
return false;
}
running = true;
wasEnabled = isEnabled = adapter.isEnabled();
pluginExecutor.execute(new Runnable() {
public void run() {
bind();
@@ -121,10 +126,7 @@ class DroidtoothPlugin implements DuplexPlugin {
private void bind() {
if(!running) return;
if(!enableBluetooth()) {
if(LOG.isLoggable(INFO)) LOG.info("Could not enable Bluetooth");
return;
}
if(!enableBluetooth()) return;
if(LOG.isLoggable(INFO))
LOG.info("Local address " + adapter.getAddress());
// Advertise the Bluetooth address to contacts
@@ -148,15 +150,22 @@ class DroidtoothPlugin implements DuplexPlugin {
}
private boolean enableBluetooth() {
if(!running) return false;
if(adapter.isEnabled()) return true;
isEnabled = adapter.isEnabled();
if(isEnabled) return true;
// Try to enable the adapter and wait for the result
if(LOG.isLoggable(INFO)) LOG.info("Enabling Bluetooth");
IntentFilter filter = new IntentFilter(ACTION_STATE_CHANGED);
BluetoothStateReceiver receiver = new BluetoothStateReceiver();
appContext.registerReceiver(receiver, filter);
try {
if(!adapter.enable()) return false;
return receiver.waitForStateChange();
if(adapter.enable()) {
isEnabled = receiver.waitForStateChange();
if(LOG.isLoggable(INFO)) LOG.info("Enabled: " + isEnabled);
return isEnabled;
} else {
if(LOG.isLoggable(INFO)) LOG.info("Could not enable adapter");
return false;
}
} catch(InterruptedException e) {
if(LOG.isLoggable(INFO))
LOG.info("Interrupted while enabling Bluetooth");
@@ -206,6 +215,30 @@ class DroidtoothPlugin implements DuplexPlugin {
public void stop() {
running = false;
// Disable Bluetooth if we enabled it at startup
if(isEnabled && !wasEnabled) disableBluetooth();
}
private void disableBluetooth() {
isEnabled = adapter.isEnabled();
if(!isEnabled) return;
// Try to disable the adapter and wait for the result
if(LOG.isLoggable(INFO)) LOG.info("Disabling Bluetooth");
IntentFilter filter = new IntentFilter(ACTION_STATE_CHANGED);
BluetoothStateReceiver receiver = new BluetoothStateReceiver();
appContext.registerReceiver(receiver, filter);
try {
if(adapter.disable()) {
isEnabled = receiver.waitForStateChange();
if(LOG.isLoggable(INFO)) LOG.info("Enabled: " + isEnabled);
} else {
if(LOG.isLoggable(INFO)) LOG.info("Could not disable adapter");
}
} catch(InterruptedException e) {
if(LOG.isLoggable(INFO))
LOG.info("Interrupted while disabling Bluetooth");
Thread.currentThread().interrupt();
}
}
public boolean shouldPoll() {
@@ -218,6 +251,7 @@ class DroidtoothPlugin implements DuplexPlugin {
public void poll(Collection<ContactId> connected) {
if(!running) return;
if(!enableBluetooth()) return;
// Try to connect to known devices in parallel
Map<ContactId, TransportProperties> remote =
callback.getRemoteProperties();