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

Example 16 with ScanResult

use of android.net.wifi.ScanResult in project platform_frameworks_base by android.

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());
}

Example 17 with ScanResult

use of android.net.wifi.ScanResult in project platform_frameworks_base by android.

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;
}

Example 18 with ScanResult

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));
    }
}

Example 19 with ScanResult

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();
}

Example 20 with ScanResult

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);
}