use of android.net.NetworkTemplate in project android_frameworks_base by AOSPA.
the class NetworkStatsManager method registerUsageCallback.
/**
* Registers to receive notifications about data usage on specified networks.
*
* <p>The callbacks will continue to be called as long as the process is live or
* {@link #unregisterUsageCallback} is called.
*
* @param networkType Type of network to monitor. Either
{@link ConnectivityManager#TYPE_MOBILE} or {@link ConnectivityManager#TYPE_WIFI}.
* @param subscriberId If applicable, the subscriber id of the network interface.
* @param thresholdBytes Threshold in bytes to be notified on.
* @param callback The {@link UsageCallback} that the system will call when data usage
* has exceeded the specified threshold.
* @param handler to dispatch callback events through, otherwise if {@code null} it uses
* the calling thread.
*/
public void registerUsageCallback(int networkType, String subscriberId, long thresholdBytes, UsageCallback callback, @Nullable Handler handler) {
checkNotNull(callback, "UsageCallback cannot be null");
final Looper looper;
if (handler == null) {
looper = Looper.myLooper();
} else {
looper = handler.getLooper();
}
if (DBG) {
Log.d(TAG, "registerUsageCallback called with: {" + " networkType=" + networkType + " subscriberId=" + subscriberId + " thresholdBytes=" + thresholdBytes + " }");
}
NetworkTemplate template = createTemplate(networkType, subscriberId);
DataUsageRequest request = new DataUsageRequest(DataUsageRequest.REQUEST_ID_UNSET, template, thresholdBytes);
try {
CallbackHandler callbackHandler = new CallbackHandler(looper, networkType, subscriberId, callback);
callback.request = mService.registerUsageCallback(mContext.getOpPackageName(), request, new Messenger(callbackHandler), new Binder());
if (DBG)
Log.d(TAG, "registerUsageCallback returned " + callback.request);
if (callback.request == null) {
Log.e(TAG, "Request from callback is null; should not happen");
}
} catch (RemoteException e) {
if (DBG)
Log.d(TAG, "Remote exception when registering callback");
throw e.rethrowFromSystemServer();
}
}
use of android.net.NetworkTemplate in project android_frameworks_base by AOSPA.
the class NetworkStatsManager method querySummaryForDevice.
/**
* Query network usage statistics summaries. Result is summarised data usage for the whole
* device. Result is a single Bucket aggregated over time, state, uid, tag and roaming. This
* means the bucket's start and end timestamp are going to be the same as the 'startTime' and
* 'endTime' parameters. State is going to be {@link NetworkStats.Bucket#STATE_ALL}, uid
* {@link NetworkStats.Bucket#UID_ALL}, tag {@link NetworkStats.Bucket#TAG_NONE}
* and roaming {@link NetworkStats.Bucket#ROAMING_ALL}.
*
* @param networkType As defined in {@link ConnectivityManager}, e.g.
* {@link ConnectivityManager#TYPE_MOBILE}, {@link ConnectivityManager#TYPE_WIFI}
* etc.
* @param subscriberId If applicable, the subscriber id of the network interface.
* @param startTime Start of period. Defined in terms of "Unix time", see
* {@link java.lang.System#currentTimeMillis}.
* @param endTime End of period. Defined in terms of "Unix time", see
* {@link java.lang.System#currentTimeMillis}.
* @return Bucket object or null if permissions are insufficient or error happened during
* statistics collection.
*/
public Bucket querySummaryForDevice(int networkType, String subscriberId, long startTime, long endTime) throws SecurityException, RemoteException {
NetworkTemplate template;
try {
template = createTemplate(networkType, subscriberId);
} catch (IllegalArgumentException e) {
if (DBG)
Log.e(TAG, "Cannot create template", e);
return null;
}
Bucket bucket = null;
NetworkStats stats = new NetworkStats(mContext, template, startTime, endTime);
bucket = stats.getDeviceSummaryForNetwork();
stats.close();
return bucket;
}
use of android.net.NetworkTemplate in project android_frameworks_base by AOSPA.
the class NetworkStatsManager method queryDetailsForUidTag.
/**
* Query network usage statistics details for a given uid and tag. Only usable for uids
* belonging to calling user. Result is aggregated over state but not aggregated over time.
* This means buckets' start and end timestamps are going to be between 'startTime' and
* 'endTime' parameters. State is going to be {@link NetworkStats.Bucket#STATE_ALL}, uid the
* same as the 'uid' parameter and tag the same as 'tag' parameter.
* <p>Only includes buckets that atomically occur in the inclusive time range. Doesn't
* interpolate across partial buckets. Since bucket length is in the order of hours, this
* method cannot be used to measure data usage on a fine grained time scale.
*
* @param networkType As defined in {@link ConnectivityManager}, e.g.
* {@link ConnectivityManager#TYPE_MOBILE}, {@link ConnectivityManager#TYPE_WIFI}
* etc.
* @param subscriberId If applicable, the subscriber id of the network interface.
* @param startTime Start of period. Defined in terms of "Unix time", see
* {@link java.lang.System#currentTimeMillis}.
* @param endTime End of period. Defined in terms of "Unix time", see
* {@link java.lang.System#currentTimeMillis}.
* @param uid UID of app
* @param tag TAG of interest. Use {@link NetworkStats.Bucket#TAG_NONE} for no tags.
* @return Statistics object or null if an error happened during statistics collection.
* @throws SecurityException if permissions are insufficient to read network statistics.
*/
public NetworkStats queryDetailsForUidTag(int networkType, String subscriberId, long startTime, long endTime, int uid, int tag) throws SecurityException {
NetworkTemplate template;
template = createTemplate(networkType, subscriberId);
NetworkStats result;
try {
result = new NetworkStats(mContext, template, startTime, endTime);
result.startHistoryEnumeration(uid, tag);
} catch (RemoteException e) {
Log.e(TAG, "Error while querying stats for uid=" + uid + " tag=" + tag, e);
return null;
}
return result;
}
use of android.net.NetworkTemplate in project android_frameworks_base by AOSPA.
the class SummaryForAllUidLoader method loadInBackground.
@Override
public NetworkStats loadInBackground() {
final NetworkTemplate template = mArgs.getParcelable(KEY_TEMPLATE);
final long start = mArgs.getLong(KEY_START);
final long end = mArgs.getLong(KEY_END);
try {
return mSession.getSummaryForAllUid(template, start, end, false);
} catch (RemoteException e) {
return null;
}
}
use of android.net.NetworkTemplate in project android_frameworks_base by AOSPA.
the class ChartDataLoader method loadInBackground.
@Override
public ChartData loadInBackground() {
final NetworkTemplate template = mArgs.getParcelable(KEY_TEMPLATE);
final AppItem app = mArgs.getParcelable(KEY_APP);
final int fields = mArgs.getInt(KEY_FIELDS);
try {
return loadInBackground(template, app, fields);
} catch (RemoteException e) {
// leave with half-baked UI, we bail hard.
throw new RuntimeException("problem reading network stats", e);
}
}
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