use of android.net.wifi.ScanResult in project android_frameworks_base by ResurrectionRemix.
the class WifiTrackerTest method testSavedOnly.
public void testSavedOnly() {
mWifiTracker = new WifiTracker(mContext, mWifiListener, mLooper, true, false, true, mWifiManager, mMainLooper);
mWifiTracker.mScanner = mWifiTracker.new Scanner();
List<WifiConfiguration> wifiConfigs = new ArrayList<WifiConfiguration>();
List<ScanResult> scanResults = new ArrayList<ScanResult>();
generateTestNetworks(wifiConfigs, scanResults, true);
// Tell WifiTracker we are connected now.
sendConnected();
// Send all of the configs and scan results to the tracker.
Mockito.when(mWifiManager.getConfiguredNetworks()).thenReturn(wifiConfigs);
Mockito.when(mWifiManager.getScanResults()).thenReturn(scanResults);
sendScanResultsAndProcess(false);
List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints();
// Only expect the first two to come back in the results.
assertEquals("Expected number of results", 2, accessPoints.size());
assertEquals(TEST_SSIDS[1], accessPoints.get(0).getSsid());
assertEquals(TEST_SSIDS[0], accessPoints.get(1).getSsid());
}
use of android.net.wifi.ScanResult in project android_frameworks_base by ResurrectionRemix.
the class ConnectionUtil method connectToWifiWithConfiguration.
/**
* Connect to Wi-Fi with the given configuration.
* @param config
* @return true if we are connected to a given AP.
*/
public boolean connectToWifiWithConfiguration(WifiConfiguration config) {
// The SSID in the configuration is a pure string, need to convert it to a quoted string.
String ssid = config.SSID;
config.SSID = convertToQuotedString(ssid);
// If wifi is not enabled, enable it
if (!mWifiManager.isWifiEnabled()) {
Log.v(LOG_TAG, "Wifi is not enabled, enable it");
mWifiManager.setWifiEnabled(true);
// wait for the wifi state change before start scanning.
if (!waitForWifiState(WifiManager.WIFI_STATE_ENABLED, 2 * SHORT_TIMEOUT)) {
Log.v(LOG_TAG, "Wait for WIFI_STATE_ENABLED failed");
return false;
}
}
boolean foundApInScanResults = false;
for (int retry = 0; retry < 5; retry++) {
List<ScanResult> netList = mWifiManager.getScanResults();
if (netList != null) {
Log.v(LOG_TAG, "size of scan result list: " + netList.size());
for (int i = 0; i < netList.size(); i++) {
ScanResult sr = netList.get(i);
if (sr.SSID.equals(ssid)) {
Log.v(LOG_TAG, "Found " + ssid + " in the scan result list.");
Log.v(LOG_TAG, "Retry: " + retry);
foundApInScanResults = true;
mWifiManager.connect(config, new WifiManager.ActionListener() {
public void onSuccess() {
}
public void onFailure(int reason) {
Log.e(LOG_TAG, "connect failed " + reason);
}
});
break;
}
}
}
if (foundApInScanResults) {
return true;
} else {
// Start an active scan
mWifiManager.startScan();
mScanResultIsAvailable = false;
long startTime = System.currentTimeMillis();
while (!mScanResultIsAvailable) {
if ((System.currentTimeMillis() - startTime) > WIFI_SCAN_TIMEOUT) {
Log.v(LOG_TAG, "wait for scan results timeout");
return false;
}
// wait for the scan results to be available
synchronized (this) {
// wait for the scan result to be available
try {
this.wait(WAIT_FOR_SCAN_RESULT);
} catch (InterruptedException e) {
e.printStackTrace();
}
if ((mWifiManager.getScanResults() == null) || (mWifiManager.getScanResults().size() <= 0)) {
continue;
}
mScanResultIsAvailable = true;
}
}
}
}
return false;
}
use of android.net.wifi.ScanResult in project android_frameworks_base by DirtyUnicorns.
the class WifiStressTest method testWifiScanning.
/**
* Stress Wifi Scanning
* TODO: test the scanning quality for each frequency band
*/
@LargeTest
public void testWifiScanning() {
long scanTimeSum = 0, i, averageScanTime = -1;
// count times of given ssid appear in scan results.
int ssidAppearInScanResultsCount = 0;
for (i = 1; i <= mScanIterations; i++) {
logv("testWifiScanning: iteration: " + i);
averageScanTime = scanTimeSum / i;
writeOutput(String.format("iteration %d out of %d", i, mScanIterations));
writeOutput(String.format("average scanning time is %d", averageScanTime));
writeOutput(String.format("ssid appear %d out of %d scan iterations", ssidAppearInScanResultsCount, i));
List<ScanResult> scanResultLocal = null;
// wait for a scan result
long start = 0;
synchronized (mWifiScanResultLock) {
start = SystemClock.uptimeMillis();
assertTrue("start scan failed", mWifiManager.startScan());
try {
mWifiScanResultLock.wait(WAIT_FOR_SCAN_RESULT);
} catch (InterruptedException e) {
// ignore
}
scanTimeSum += SystemClock.uptimeMillis() - start;
// save the scan result while in lock
scanResultLocal = mLastScanResult;
}
if (scanResultLocal == null || scanResultLocal.isEmpty()) {
fail("Scan results are empty ");
}
logv("size of scan result list: " + scanResultLocal.size());
for (ScanResult sr : scanResultLocal) {
logv(String.format("scan result: " + sr.toString()));
if (mSsid.equals(sr.SSID)) {
ssidAppearInScanResultsCount += 1;
break;
}
}
}
Bundle result = new Bundle();
result.putLong("actual-iterations", i - 1);
result.putLong("avg-scan-time", averageScanTime);
result.putInt("ap-discovered", ssidAppearInScanResultsCount);
getInstrumentation().sendStatus(Activity.RESULT_FIRST_USER, result);
if (i == mScanIterations + 1) {
writeOutput(String.format("iteration %d out of %d", i - 1, mScanIterations));
writeOutput(String.format("average scanning time is %d", scanTimeSum / (i - 1)));
writeOutput(String.format("ssid appear %d out of %d scan iterations", ssidAppearInScanResultsCount, i - 1));
}
}
use of android.net.wifi.ScanResult in project android_frameworks_base by DirtyUnicorns.
the class WifiTracker method fetchScanResults.
private Collection<ScanResult> fetchScanResults() {
mScanId++;
final List<ScanResult> newResults = mWifiManager.getScanResults();
if (newResults == null) {
return null;
}
for (ScanResult newResult : newResults) {
if (newResult.SSID == null || newResult.SSID.isEmpty()) {
continue;
}
mScanResultCache.put(newResult.BSSID, newResult);
mSeenBssids.put(newResult.BSSID, mScanId);
}
if (mScanId > NUM_SCANS_TO_CONFIRM_AP_LOSS) {
if (DBG)
Log.d(TAG, "------ Dumping SSIDs that were expired on this scan ------");
Integer threshold = mScanId - NUM_SCANS_TO_CONFIRM_AP_LOSS;
for (Iterator<Map.Entry<String, Integer>> it = mSeenBssids.entrySet().iterator(); it.hasNext(); ) /* nothing */
{
Map.Entry<String, Integer> e = it.next();
if (e.getValue() < threshold) {
ScanResult result = mScanResultCache.get(e.getKey());
if (DBG)
Log.d(TAG, "Removing " + e.getKey() + ":(" + result.SSID + ")");
mScanResultCache.remove(e.getKey());
it.remove();
}
}
if (DBG)
Log.d(TAG, "---- Done Dumping SSIDs that were expired on this scan ----");
}
return mScanResultCache.values();
}
use of android.net.wifi.ScanResult in project android_frameworks_base by DirtyUnicorns.
the class AccessPointTest method testOnAccessPointChangedCallback.
public void testOnAccessPointChangedCallback() {
WifiInfo wifiInfo = Mockito.mock(WifiInfo.class);
Mockito.when(wifiInfo.getNetworkId()).thenReturn(NETWORK_ID);
mAccessPoint.update(wifiInfo, null);
verifyOnAccessPointsCallback(1);
mAccessPoint.update(null, null);
verifyOnAccessPointsCallback(2);
ScanResult result = new ScanResult();
result.capabilities = "";
result.SSID = TEST_SSID;
mAccessPoint.update(result);
verifyOnAccessPointsCallback(3);
}
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