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

Example 76 with NetworkStatsHistory

use of android.net.NetworkStatsHistory in project android_frameworks_base by DirtyUnicorns.

the class NetworkStatsCollection method recordCollection.

/**
     * Record all {@link NetworkStatsHistory} contained in the given collection
     * into this collection.
     */
public void recordCollection(NetworkStatsCollection another) {
    for (int i = 0; i < another.mStats.size(); i++) {
        final Key key = another.mStats.keyAt(i);
        final NetworkStatsHistory value = another.mStats.valueAt(i);
        recordHistory(key, value);
    }
}

Example 77 with NetworkStatsHistory

use of android.net.NetworkStatsHistory in project android_frameworks_base by DirtyUnicorns.

the class NetworkStatsCollection method findOrCreateHistory.

private NetworkStatsHistory findOrCreateHistory(NetworkIdentitySet ident, int uid, int set, int tag) {
    final Key key = new Key(ident, uid, set, tag);
    final NetworkStatsHistory existing = mStats.get(key);
    // update when no existing, or when bucket duration changed
    NetworkStatsHistory updated = null;
    if (existing == null) {
        updated = new NetworkStatsHistory(mBucketDuration, 10);
    } else if (existing.getBucketDuration() != mBucketDuration) {
        updated = new NetworkStatsHistory(existing, mBucketDuration);
    }
    if (updated != null) {
        mStats.put(key, updated);
        return updated;
    } else {
        return existing;
    }
}

Example 78 with NetworkStatsHistory

use of android.net.NetworkStatsHistory in project android_frameworks_base by DirtyUnicorns.

the class NetworkStatsServiceTest method testStatsBucketResize.

// TODO: simulate reboot to test bucket resize
@Suppress
public void testStatsBucketResize() throws Exception {
    NetworkStatsHistory history = null;
    assertStatsFilesExist(false);
    // pretend that wifi network comes online; service should ask about full
    // network state, and poll any existing interfaces before updating.
    expectCurrentTime();
    expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
    expectNetworkState(buildWifiState());
    expectNetworkStatsSummary(buildEmptyStats());
    expectNetworkStatsUidDetail(buildEmptyStats());
    expectNetworkStatsPoll();
    expectBandwidthControlCheck();
    replay();
    mService.forceUpdateIfaces();
    verifyAndReset();
    // modify some number on wifi, and trigger poll event
    incrementCurrentTime(2 * HOUR_IN_MILLIS);
    expectCurrentTime();
    expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
    expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1).addIfaceValues(TEST_IFACE, 512L, 4L, 512L, 4L));
    expectNetworkStatsUidDetail(buildEmptyStats());
    expectNetworkStatsPoll();
    replay();
    forcePollAndWaitForIdle();
    // verify service recorded history
    history = mSession.getHistoryForNetwork(sTemplateWifi, FIELD_ALL);
    assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, 512L, 4L, 512L, 4L, 0);
    assertEquals(HOUR_IN_MILLIS, history.getBucketDuration());
    assertEquals(2, history.size());
    verifyAndReset();
    // now change bucket duration setting and trigger another poll with
    // exact same values, which should resize existing buckets.
    expectCurrentTime();
    expectSettings(0L, 30 * MINUTE_IN_MILLIS, WEEK_IN_MILLIS);
    expectNetworkStatsSummary(buildEmptyStats());
    expectNetworkStatsUidDetail(buildEmptyStats());
    expectNetworkStatsPoll();
    replay();
    forcePollAndWaitForIdle();
    // verify identical stats, but spread across 4 buckets now
    history = mSession.getHistoryForNetwork(sTemplateWifi, FIELD_ALL);
    assertValues(history, Long.MIN_VALUE, Long.MAX_VALUE, 512L, 4L, 512L, 4L, 0);
    assertEquals(30 * MINUTE_IN_MILLIS, history.getBucketDuration());
    assertEquals(4, history.size());
    verifyAndReset();
}

Example 79 with NetworkStatsHistory

use of android.net.NetworkStatsHistory in project android_frameworks_base by DirtyUnicorns.

the class NetworkStats method startUserUidEnumeration.

/**
     * Starts uid enumeration for current user.
     * @throws RemoteException
     */
void startUserUidEnumeration() throws RemoteException {
    // TODO: getRelevantUids should be sensitive to time interval. When that's done,
    //       the filtering logic below can be removed.
    int[] uids = mSession.getRelevantUids();
    // Filtering of uids with empty history.
    IntArray filteredUids = new IntArray(uids.length);
    for (int uid : uids) {
        try {
            NetworkStatsHistory history = mSession.getHistoryIntervalForUid(mTemplate, uid, android.net.NetworkStats.SET_ALL, android.net.NetworkStats.TAG_NONE, NetworkStatsHistory.FIELD_ALL, mStartTimeStamp, mEndTimeStamp);
            if (history != null && history.size() > 0) {
                filteredUids.add(uid);
            }
        } catch (RemoteException e) {
            Log.w(TAG, "Error while getting history of uid " + uid, e);
        }
    }
    mUids = filteredUids.toArray();
    mUidOrUidIndex = -1;
    stepHistory();
}

Example 80 with NetworkStatsHistory

use of android.net.NetworkStatsHistory in project android_frameworks_base by AOSPA.

the class NetworkStatsCollection method readLegacyNetwork.

@Deprecated
public void readLegacyNetwork(File file) throws IOException {
    final AtomicFile inputFile = new AtomicFile(file);
    DataInputStream in = null;
    try {
        in = new DataInputStream(new BufferedInputStream(inputFile.openRead()));
        // verify file magic header intact
        final int magic = in.readInt();
        if (magic != FILE_MAGIC) {
            throw new ProtocolException("unexpected magic: " + magic);
        }
        final int version = in.readInt();
        switch(version) {
            case VERSION_NETWORK_INIT:
                {
                    // network := size *(NetworkIdentitySet NetworkStatsHistory)
                    final int size = in.readInt();
                    for (int i = 0; i < size; i++) {
                        final NetworkIdentitySet ident = new NetworkIdentitySet(in);
                        final NetworkStatsHistory history = new NetworkStatsHistory(in);
                        final Key key = new Key(ident, UID_ALL, SET_ALL, TAG_NONE);
                        recordHistory(key, history);
                    }
                    break;
                }
            default:
                {
                    throw new ProtocolException("unexpected version: " + version);
                }
        }
    } catch (FileNotFoundException e) {
    // missing stats is okay, probably first boot
    } finally {
        IoUtils.closeQuietly(in);
    }
}