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

Example 41 with NetworkStatsHistory

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

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 42 with NetworkStatsHistory

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

the class DataUsageController method getDataUsageInfo.

public DataUsageInfo getDataUsageInfo(NetworkTemplate template) {
    final INetworkStatsSession session = getSession();
    if (session == null) {
        return warn("no stats session");
    }
    final NetworkPolicy policy = findNetworkPolicy(template);
    try {
        final NetworkStatsHistory history = session.getHistoryForNetwork(template, FIELDS);
        final long now = System.currentTimeMillis();
        final long start, end;
        if (policy != null && policy.cycleDay > 0) {
            // period = determined from cycleDay
            if (DEBUG)
                Log.d(TAG, "Cycle day=" + policy.cycleDay + " tz=" + policy.cycleTimezone);
            final Time nowTime = new Time(policy.cycleTimezone);
            nowTime.setToNow();
            final Time policyTime = new Time(nowTime);
            policyTime.set(policy.cycleDay, policyTime.month, policyTime.year);
            policyTime.normalize(false);
            if (nowTime.after(policyTime)) {
                start = policyTime.toMillis(false);
                end = addMonth(policyTime, 1).toMillis(false);
            } else {
                start = addMonth(policyTime, -1).toMillis(false);
                end = policyTime.toMillis(false);
            }
        } else {
            // period = last 4 wks
            end = now;
            start = now - DateUtils.WEEK_IN_MILLIS * 4;
        }
        final long callStart = System.currentTimeMillis();
        final NetworkStatsHistory.Entry entry = history.getValues(start, end, now, null);
        final long callEnd = System.currentTimeMillis();
        if (DEBUG)
            Log.d(TAG, String.format("history call from %s to %s now=%s took %sms: %s", new Date(start), new Date(end), new Date(now), callEnd - callStart, historyEntryToString(entry)));
        if (entry == null) {
            return warn("no entry data");
        }
        final long totalBytes = entry.rxBytes + entry.txBytes;
        final DataUsageInfo usage = new DataUsageInfo();
        usage.startDate = start;
        usage.usageLevel = totalBytes;
        usage.period = formatDateRange(start, end);
        if (policy != null) {
            usage.limitLevel = policy.limitBytes > 0 ? policy.limitBytes : 0;
            usage.warningLevel = policy.warningBytes > 0 ? policy.warningBytes : 0;
        } else {
            usage.warningLevel = getDefaultWarningLevel();
        }
        if (usage != null && mNetworkController != null) {
            usage.carrier = mNetworkController.getMobileDataNetworkName();
        }
        return usage;
    } catch (RemoteException e) {
        return warn("remote call failed");
    }
}

Example 43 with NetworkStatsHistory

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

the class ChartDataLoader method loadInBackground.

private ChartData loadInBackground(NetworkTemplate template, AppItem app, int fields) throws RemoteException {
    final ChartData data = new ChartData();
    data.network = mSession.getHistoryForNetwork(template, fields);
    if (app != null) {
        // load stats for current uid and template
        final int size = app.uids.size();
        for (int i = 0; i < size; i++) {
            final int uid = app.uids.keyAt(i);
            data.detailDefault = collectHistoryForUid(template, uid, SET_DEFAULT, data.detailDefault);
            data.detailForeground = collectHistoryForUid(template, uid, SET_FOREGROUND, data.detailForeground);
        }
        if (size > 0) {
            data.detail = new NetworkStatsHistory(data.detailForeground.getBucketDuration());
            data.detail.recordEntireHistory(data.detailDefault);
            data.detail.recordEntireHistory(data.detailForeground);
        } else {
            data.detailDefault = new NetworkStatsHistory(HOUR_IN_MILLIS);
            data.detailForeground = new NetworkStatsHistory(HOUR_IN_MILLIS);
            data.detail = new NetworkStatsHistory(HOUR_IN_MILLIS);
        }
    }
    return data;
}

Example 44 with NetworkStatsHistory

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

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 45 with NetworkStatsHistory

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

the class NetworkStatsCollection method readLegacyUid.

@Deprecated
public void readLegacyUid(File file, boolean onlyTags) 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_UID_INIT:
                {
                    // mapping into NetworkIdentitySet.
                    break;
                }
            case VERSION_UID_WITH_IDENT:
                {
                    // for a short time.
                    break;
                }
            case VERSION_UID_WITH_TAG:
            case VERSION_UID_WITH_SET:
                {
                    // uid := size *(NetworkIdentitySet size *(uid set tag NetworkStatsHistory))
                    final int identSize = in.readInt();
                    for (int i = 0; i < identSize; i++) {
                        final NetworkIdentitySet ident = new NetworkIdentitySet(in);
                        final int size = in.readInt();
                        for (int j = 0; j < size; j++) {
                            final int uid = in.readInt();
                            final int set = (version >= VERSION_UID_WITH_SET) ? in.readInt() : SET_DEFAULT;
                            final int tag = in.readInt();
                            final Key key = new Key(ident, uid, set, tag);
                            final NetworkStatsHistory history = new NetworkStatsHistory(in);
                            if ((tag == TAG_NONE) != onlyTags) {
                                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);
    }
}