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

Example 86 with NetworkStatsHistory

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

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 87 with NetworkStatsHistory

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

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 88 with NetworkStatsHistory

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

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 89 with NetworkStatsHistory

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

the class NetworkStatsCollection method read.

public void read(DataInputStream in) throws IOException {
    // 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_UNIFIED_INIT:
            {
                // 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 = in.readInt();
                        final int tag = in.readInt();
                        final Key key = new Key(ident, uid, set, tag);
                        final NetworkStatsHistory history = new NetworkStatsHistory(in);
                        recordHistory(key, history);
                    }
                }
                break;
            }
        default:
            {
                throw new ProtocolException("unexpected version: " + version);
            }
    }
}

Example 90 with NetworkStatsHistory

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

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);
    }
}