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

Example 36 with NetworkStatsHistory

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

the class NetworkStatsCollection method recordData.

/**
     * Record given {@link android.net.NetworkStats.Entry} into this collection.
     */
public void recordData(NetworkIdentitySet ident, int uid, int set, int tag, long start, long end, NetworkStats.Entry entry) {
    final NetworkStatsHistory history = findOrCreateHistory(ident, uid, set, tag);
    history.recordData(start, end, entry);
    noteRecordedHistory(history.getStart(), history.getEnd(), entry.rxBytes + entry.txBytes);
}

Example 37 with NetworkStatsHistory

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

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);
    }
}

Example 38 with NetworkStatsHistory

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

the class NetworkStatsCollection method getSummary.

/**
     * Summarize all {@link NetworkStatsHistory} in this collection which match
     * the requested parameters.
     */
public NetworkStats getSummary(NetworkTemplate template, long start, long end, @NetworkStatsAccess.Level int accessLevel, int callerUid) {
    final long now = System.currentTimeMillis();
    final NetworkStats stats = new NetworkStats(end - start, 24);
    // shortcut when we know stats will be empty
    if (start == end)
        return stats;
    final NetworkStats.Entry entry = new NetworkStats.Entry();
    NetworkStatsHistory.Entry historyEntry = null;
    for (int i = 0; i < mStats.size(); i++) {
        final Key key = mStats.keyAt(i);
        if (templateMatches(template, key.ident) && NetworkStatsAccess.isAccessibleToUser(key.uid, callerUid, accessLevel) && key.set < NetworkStats.SET_DEBUG_START) {
            final NetworkStatsHistory value = mStats.valueAt(i);
            historyEntry = value.getValues(start, end, now, historyEntry);
            entry.iface = IFACE_ALL;
            entry.uid = key.uid;
            entry.set = key.set;
            entry.tag = key.tag;
            entry.roaming = key.ident.isAnyMemberRoaming() ? ROAMING_YES : ROAMING_NO;
            entry.rxBytes = historyEntry.rxBytes;
            entry.rxPackets = historyEntry.rxPackets;
            entry.txBytes = historyEntry.txBytes;
            entry.txPackets = historyEntry.txPackets;
            entry.operations = historyEntry.operations;
            if (!entry.isEmpty()) {
                stats.combineValues(entry);
            }
        }
    }
    return stats;
}

Example 39 with NetworkStatsHistory

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

the class NetworkStatsCollection method getHistory.

/**
     * Combine all {@link NetworkStatsHistory} in this collection which match
     * the requested parameters.
     */
public NetworkStatsHistory getHistory(NetworkTemplate template, int uid, int set, int tag, int fields, long start, long end, @NetworkStatsAccess.Level int accessLevel, int callerUid) {
    if (!NetworkStatsAccess.isAccessibleToUser(uid, callerUid, accessLevel)) {
        throw new SecurityException("Network stats history of uid " + uid + " is forbidden for caller " + callerUid);
    }
    final NetworkStatsHistory combined = new NetworkStatsHistory(mBucketDuration, start == end ? 1 : estimateBuckets(), fields);
    // shortcut when we know stats will be empty
    if (start == end)
        return combined;
    for (int i = 0; i < mStats.size(); i++) {
        final Key key = mStats.keyAt(i);
        if (key.uid == uid && NetworkStats.setMatches(set, key.set) && key.tag == tag && templateMatches(template, key.ident)) {
            final NetworkStatsHistory value = mStats.valueAt(i);
            combined.recordHistory(value, start, end);
        }
    }
    return combined;
}

Example 40 with NetworkStatsHistory

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

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");
    }
}