Examples with ScanResult android.net.wifi.ScanResult used on opensource projects

Example 76 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by AOSPA.

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));
    }
}

Example 77 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by ResurrectionRemix.

the class WifiTrackerTest method testAvailableOnly.

public void testAvailableOnly() {
    mWifiTracker = new WifiTracker(mContext, mWifiListener, mLooper, false, true, true, mWifiManager, mMainLooper);
    mWifiTracker.mScanner = mWifiTracker.new Scanner();
    List<WifiConfiguration> wifiConfigs = new ArrayList<WifiConfiguration>();
    List<ScanResult> scanResults = new ArrayList<ScanResult>();
    String[] expectedSsids = 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);
    // Expect the last one (sorted order) to be left off since its only saved.
    List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints();
    assertEquals("Expected number of results", NUM_NETWORKS - 1, accessPoints.size());
    for (int i = 0; i < NUM_NETWORKS - 1; i++) {
        assertEquals("Verifying slot " + i, expectedSsids[i], accessPoints.get(i).getSsid());
    }
}

Example 78 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by ResurrectionRemix.

the class WifiTrackerTest method testNonEphemeralConnected.

public void testNonEphemeralConnected() {
    mWifiTracker = new WifiTracker(mContext, mWifiListener, mLooper, false, true, true, mWifiManager, mMainLooper);
    mWifiTracker.mScanner = mWifiTracker.new Scanner();
    List<WifiConfiguration> wifiConfigs = new ArrayList<WifiConfiguration>();
    List<ScanResult> scanResults = new ArrayList<ScanResult>();
    generateTestNetworks(wifiConfigs, scanResults, false);
    // 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);
    // Do this twice to catch a bug that was happening in the caching, making things ephemeral.
    sendScanResultsAndProcess(true);
    List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints();
    assertEquals("Expected number of results", NUM_NETWORKS - 1, accessPoints.size());
    assertFalse("Connection is not ephemeral", accessPoints.get(0).isEphemeral());
    assertTrue("Connected to wifi", accessPoints.get(0).isActive());
}

Example 79 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by ResurrectionRemix.

the class AccessPointTest method testOnLevelChanged.

public void testOnLevelChanged() {
    ScanResult result = new ScanResult();
    result.capabilities = "";
    result.SSID = TEST_SSID;
    // Give it a level.
    result.level = WifiTrackerTest.levelToRssi(1);
    mAccessPoint.update(result);
    verifyOnLevelChangedCallback(1);
    // Give it a better level.
    result.level = WifiTrackerTest.levelToRssi(2);
    mAccessPoint.update(result);
    verifyOnLevelChangedCallback(1);
}

Example 80 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by ResurrectionRemix.

the class WifiTracker method updateAccessPoints.

private void updateAccessPoints() {
    // Swap the current access points into a cached list.
    List<AccessPoint> cachedAccessPoints = getAccessPoints();
    ArrayList<AccessPoint> accessPoints = new ArrayList<>();
    // Clear out the configs so we don't think something is saved when it isn't.
    for (AccessPoint accessPoint : cachedAccessPoints) {
        accessPoint.clearConfig();
    }
    /** Lookup table to more quickly update AccessPoints by only considering objects with the
         * correct SSID.  Maps SSID -> List of AccessPoints with the given SSID.  */
    Multimap<String, AccessPoint> apMap = new Multimap<String, AccessPoint>();
    WifiConfiguration connectionConfig = null;
    if (mLastInfo != null) {
        connectionConfig = getWifiConfigurationForNetworkId(mLastInfo.getNetworkId());
    }
    final Collection<ScanResult> results = fetchScanResults();
    final List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks();
    if (configs != null) {
        mSavedNetworksExist = configs.size() != 0;
        for (WifiConfiguration config : configs) {
            if (config.selfAdded && config.numAssociation == 0) {
                continue;
            }
            AccessPoint accessPoint = getCachedOrCreate(config, cachedAccessPoints);
            accessPoint.update(connectionConfig, mLastInfo, mLastNetworkInfo);
            if (mIncludeSaved) {
                // If saved network not present in scan result then set its Rssi to MAX_VALUE
                boolean apFound = false;
                for (ScanResult result : results) {
                    if (result.SSID.equals(accessPoint.getSsidStr())) {
                        apFound = true;
                        break;
                    }
                }
                if (!apFound) {
                    accessPoint.setRssi(Integer.MAX_VALUE);
                }
                accessPoints.add(accessPoint);
                apMap.put(accessPoint.getSsidStr(), accessPoint);
            } else {
                // If we aren't using saved networks, drop them into the cache so that
                // we have access to their saved info.
                cachedAccessPoints.add(accessPoint);
            }
        }
    }
    if (results != null) {
        for (ScanResult result : results) {
            // Ignore hidden and ad-hoc networks.
            if (result.SSID == null || result.SSID.length() == 0 || result.capabilities.contains("[IBSS]")) {
                continue;
            }
            boolean found = false;
            for (AccessPoint accessPoint : apMap.getAll(result.SSID)) {
                if (accessPoint.update(result)) {
                    found = true;
                    break;
                }
            }
            if (!found && mIncludeScans) {
                AccessPoint accessPoint = getCachedOrCreate(result, cachedAccessPoints);
                if (mLastInfo != null && mLastNetworkInfo != null) {
                    accessPoint.update(connectionConfig, mLastInfo, mLastNetworkInfo);
                }
                if (result.isPasspointNetwork()) {
                    // name).
                    try {
                        WifiConfiguration config = mWifiManager.getMatchingWifiConfig(result);
                        if (config != null) {
                            accessPoint.update(config);
                        }
                    } catch (UnsupportedOperationException e) {
                    // Passpoint not supported on the device.
                    }
                }
                accessPoints.add(accessPoint);
                apMap.put(accessPoint.getSsidStr(), accessPoint);
            }
        }
    }
    // Pre-sort accessPoints to speed preference insertion
    Collections.sort(accessPoints);
    // Log accesspoints that were deleted
    if (DBG)
        Log.d(TAG, "------ Dumping SSIDs that were not seen on this scan ------");
    for (AccessPoint prevAccessPoint : mAccessPoints) {
        if (prevAccessPoint.getSsid() == null)
            continue;
        String prevSsid = prevAccessPoint.getSsidStr();
        boolean found = false;
        for (AccessPoint newAccessPoint : accessPoints) {
            if (newAccessPoint.getSsid() != null && newAccessPoint.getSsid().equals(prevSsid)) {
                found = true;
                break;
            }
        }
        if (!found)
            if (DBG)
                Log.d(TAG, "Did not find " + prevSsid + " in this scan");
    }
    if (DBG)
        Log.d(TAG, "---- Done dumping SSIDs that were not seen on this scan ----");
    mAccessPoints = accessPoints;
    mMainHandler.sendEmptyMessage(MainHandler.MSG_ACCESS_POINT_CHANGED);
}