Examples with NetworkStats android.net.NetworkStats used on opensource projects

Example 1 with NetworkStats

use of android.net.NetworkStats in project android_frameworks_base by ParanoidAndroid.

the class NetworkStatsFactory method readNetworkStatsSummaryDev.

/**
     * Parse and return interface-level summary {@link NetworkStats} measured
     * using {@code /proc/net/dev} style hooks, which may include non IP layer
     * traffic. Values monotonically increase since device boot, and may include
     * details about inactive interfaces.
     *
     * @throws IllegalStateException when problem parsing stats.
     */
public NetworkStats readNetworkStatsSummaryDev() throws IOException {
    final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
    final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 6);
    final NetworkStats.Entry entry = new NetworkStats.Entry();
    ProcFileReader reader = null;
    try {
        reader = new ProcFileReader(new FileInputStream(mStatsXtIfaceAll));
        while (reader.hasMoreData()) {
            entry.iface = reader.nextString();
            entry.uid = UID_ALL;
            entry.set = SET_ALL;
            entry.tag = TAG_NONE;
            final boolean active = reader.nextInt() != 0;
            // always include snapshot values
            entry.rxBytes = reader.nextLong();
            entry.rxPackets = reader.nextLong();
            entry.txBytes = reader.nextLong();
            entry.txPackets = reader.nextLong();
            // fold in active numbers, but only when active
            if (active) {
                entry.rxBytes += reader.nextLong();
                entry.rxPackets += reader.nextLong();
                entry.txBytes += reader.nextLong();
                entry.txPackets += reader.nextLong();
            }
            stats.addValues(entry);
            reader.finishLine();
        }
    } catch (NullPointerException e) {
        throw new ProtocolException("problem parsing stats", e);
    } catch (NumberFormatException e) {
        throw new ProtocolException("problem parsing stats", e);
    } finally {
        IoUtils.closeQuietly(reader);
        StrictMode.setThreadPolicy(savedPolicy);
    }
    return stats;
}

Example 2 with NetworkStats

use of android.net.NetworkStats in project android_frameworks_base by ParanoidAndroid.

the class NetworkStatsFactory method readNetworkStatsDetail.

public NetworkStats readNetworkStatsDetail(int limitUid) throws IOException {
    if (USE_NATIVE_PARSING) {
        final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 0);
        if (nativeReadNetworkStatsDetail(stats, mStatsXtUid.getAbsolutePath(), limitUid) != 0) {
            throw new IOException("Failed to parse network stats");
        }
        if (SANITY_CHECK_NATIVE) {
            final NetworkStats javaStats = javaReadNetworkStatsDetail(mStatsXtUid, limitUid);
            assertEquals(javaStats, stats);
        }
        return stats;
    } else {
        return javaReadNetworkStatsDetail(mStatsXtUid, limitUid);
    }
}

Example 3 with NetworkStats

use of android.net.NetworkStats in project android_frameworks_base by ParanoidAndroid.

the class NetworkStatsFactory method javaReadNetworkStatsDetail.

/**
     * Parse and return {@link NetworkStats} with UID-level details. Values are
     * expected to monotonically increase since device boot.
     */
@VisibleForTesting
public static NetworkStats javaReadNetworkStatsDetail(File detailPath, int limitUid) throws IOException {
    final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
    final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 24);
    final NetworkStats.Entry entry = new NetworkStats.Entry();
    int idx = 1;
    int lastIdx = 1;
    ProcFileReader reader = null;
    try {
        // open and consume header line
        reader = new ProcFileReader(new FileInputStream(detailPath));
        reader.finishLine();
        while (reader.hasMoreData()) {
            idx = reader.nextInt();
            if (idx != lastIdx + 1) {
                throw new ProtocolException("inconsistent idx=" + idx + " after lastIdx=" + lastIdx);
            }
            lastIdx = idx;
            entry.iface = reader.nextString();
            entry.tag = kernelToTag(reader.nextString());
            entry.uid = reader.nextInt();
            entry.set = reader.nextInt();
            entry.rxBytes = reader.nextLong();
            entry.rxPackets = reader.nextLong();
            entry.txBytes = reader.nextLong();
            entry.txPackets = reader.nextLong();
            if (limitUid == UID_ALL || limitUid == entry.uid) {
                stats.addValues(entry);
            }
            reader.finishLine();
        }
    } catch (NullPointerException e) {
        throw new ProtocolException("problem parsing idx " + idx, e);
    } catch (NumberFormatException e) {
        throw new ProtocolException("problem parsing idx " + idx, e);
    } finally {
        IoUtils.closeQuietly(reader);
        StrictMode.setThreadPolicy(savedPolicy);
    }
    return stats;
}

Example 4 with NetworkStats

use of android.net.NetworkStats in project android_frameworks_base by ParanoidAndroid.

the class BatteryStatsImpl method doPlugLocked.

public void doPlugLocked(long elapsedRealtime, long batteryUptime, long batteryRealtime) {
    NetworkStats.Entry entry = null;
    for (int iu = mUidStats.size() - 1; iu >= 0; iu--) {
        Uid u = mUidStats.valueAt(iu);
        if (u.mStartedTcpBytesReceived >= 0) {
            u.mCurrentTcpBytesReceived = u.computeCurrentTcpBytesReceived();
            u.mStartedTcpBytesReceived = -1;
        }
        if (u.mStartedTcpBytesSent >= 0) {
            u.mCurrentTcpBytesSent = u.computeCurrentTcpBytesSent();
            u.mStartedTcpBytesSent = -1;
        }
    }
    for (int i = mUnpluggables.size() - 1; i >= 0; i--) {
        mUnpluggables.get(i).plug(elapsedRealtime, batteryUptime, batteryRealtime);
    }
    // Track both mobile and total overall data
    final NetworkStats ifaceStats = getNetworkStatsSummary();
    entry = ifaceStats.getTotal(entry, mMobileIfaces);
    doDataPlug(mMobileDataRx, entry.rxBytes);
    doDataPlug(mMobileDataTx, entry.txBytes);
    entry = ifaceStats.getTotal(entry);
    doDataPlug(mTotalDataRx, entry.rxBytes);
    doDataPlug(mTotalDataTx, entry.txBytes);
    // Track radio awake time
    mRadioDataUptime = getRadioDataUptime();
    mRadioDataStart = -1;
    // Track bt headset ping count
    mBluetoothPingCount = getBluetoothPingCount();
    mBluetoothPingStart = -1;
}

Example 5 with NetworkStats

use of android.net.NetworkStats in project android_frameworks_base by ParanoidAndroid.

the class BandwidthTest method downloadFile.

/**
     * Helper method that downloads a file using http connection from a test server and reports the
     * data usage stats to instrumentation out.
     */
protected void downloadFile() throws Exception {
    NetworkStats pre_test_stats = fetchDataFromProc(mUid);
    String ts = Long.toString(System.currentTimeMillis());
    String targetUrl = BandwidthTestUtil.buildDownloadUrl(mTestServer, FILE_SIZE, mDeviceId, ts);
    TrafficStats.startDataProfiling(mContext);
    File tmpSaveFile = new File(BASE_DIR + File.separator + TMP_FILENAME);
    assertTrue(BandwidthTestUtil.DownloadFromUrl(targetUrl, tmpSaveFile));
    NetworkStats prof_stats = TrafficStats.stopDataProfiling(mContext);
    Log.d(LOG_TAG, prof_stats.toString());
    NetworkStats post_test_stats = fetchDataFromProc(mUid);
    NetworkStats proc_stats = post_test_stats.subtract(pre_test_stats);
    // Output measurements to instrumentation out, so that it can be compared to that of
    // the server.
    Bundle results = new Bundle();
    results.putString("device_id", mDeviceId);
    results.putString("timestamp", ts);
    results.putInt("size", FILE_SIZE);
    AddStatsToResults(PROF_LABEL, prof_stats, results);
    AddStatsToResults(PROC_LABEL, proc_stats, results);
    getInstrumentation().sendStatus(INSTRUMENTATION_IN_PROGRESS, results);
    // Clean up.
    assertTrue(cleanUpFile(tmpSaveFile));
}