Added a virtual interface for Video Telephony call usage counting (b6587eac) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/net/NetworkPolicyManagerService.java

+1 −6

Original line number	Diff line number	Diff line
		@@ -2286,11 +2286,6 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {

		final NetworkIdentity ident = NetworkIdentity.buildNetworkIdentity(mContext, state);

		// roaming networks are always considered metered
		if (ident.getRoaming()) {
		return true;
		}

		final NetworkPolicy policy;
		synchronized (mNetworkPoliciesSecondLock) {
		policy = findPolicyForNetworkNL(ident);
		@@ -2300,7 +2295,7 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
		return policy.metered;
		} else {
		final int type = state.networkInfo.getType();
		if (isNetworkTypeMobile(type) \|\| type == TYPE_WIMAX) {
		if ((isNetworkTypeMobile(type) && ident.getMetered()) \|\| type == TYPE_WIMAX) {
		return true;
		}
		return false;

services/core/java/com/android/server/net/NetworkStatsService.java

+62 −2

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import static android.net.NetworkStats.IFACE_ALL;
		import static android.net.NetworkStats.SET_ALL;
		import static android.net.NetworkStats.SET_DEFAULT;
		import static android.net.NetworkStats.SET_FOREGROUND;
		import static android.net.NetworkStats.TAG_ALL;
		import static android.net.NetworkStats.TAG_NONE;
		import static android.net.NetworkStats.UID_ALL;
		import static android.net.NetworkTemplate.buildTemplateMobileWildcard;
		@@ -79,6 +80,7 @@ import android.net.INetworkManagementEventObserver;
		import android.net.INetworkStatsService;
		import android.net.INetworkStatsSession;
		import android.net.LinkProperties;
		import android.net.NetworkCapabilities;
		import android.net.NetworkIdentity;
		import android.net.NetworkInfo;
		import android.net.NetworkState;
		@@ -178,6 +180,11 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		private static final String PREFIX_UID = "uid";
		private static final String PREFIX_UID_TAG = "uid_tag";

		/**
		* Virtual network interface for video telephony. This is for VT data usage counting purpose.
		*/
		public static final String VT_INTERFACE = "vt_data0";

		/**
		* Settings that can be changed externally.
		*/
		@@ -967,6 +974,23 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		if (baseIface != null) {
		findOrCreateNetworkIdentitySet(mActiveIfaces, baseIface).add(ident);
		findOrCreateNetworkIdentitySet(mActiveUidIfaces, baseIface).add(ident);

		// Build a separate virtual interface for VT (Video Telephony) data usage.
		// Only do this when IMS is not metered, but VT is metered.
		// If IMS is metered, then the IMS network usage has already included VT usage.
		// VT is considered always metered in framework's layer. If VT is not metered
		// per carrier's policy, modem will report 0 usage for VT calls.
		if (state.networkCapabilities.hasCapability(
		NetworkCapabilities.NET_CAPABILITY_IMS) && !ident.getMetered()) {

		// Copy the identify from IMS one but mark it as metered.
		NetworkIdentity vtIdent = new NetworkIdentity(ident.getType(),
		ident.getSubType(), ident.getSubscriberId(), ident.getNetworkId(),
		ident.getRoaming(), true);
		findOrCreateNetworkIdentitySet(mActiveIfaces, VT_INTERFACE).add(vtIdent);
		findOrCreateNetworkIdentitySet(mActiveUidIfaces, VT_INTERFACE).add(vtIdent);
		}

		if (isMobile) {
		mobileIfaces.add(baseIface);
		}
		@@ -1006,7 +1030,7 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		// snapshot and record current counters; read UID stats first to
		// avoid over counting dev stats.
		final NetworkStats uidSnapshot = getNetworkStatsUidDetail();
		final NetworkStats xtSnapshot = mNetworkManager.getNetworkStatsSummaryXt();
		final NetworkStats xtSnapshot = getNetworkStatsXtAndVt();
		final NetworkStats devSnapshot = mNetworkManager.getNetworkStatsSummaryDev();


		@@ -1311,6 +1335,42 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		return uidSnapshot;
		}

		/**
		* Return snapshot of current XT plus VT statistics.
		*/
		private NetworkStats getNetworkStatsXtAndVt() throws RemoteException {
		final NetworkStats xtSnapshot = mNetworkManager.getNetworkStatsSummaryXt();

		TelephonyManager tm = (TelephonyManager) mContext.getSystemService(
		Context.TELEPHONY_SERVICE);

		long usage = tm.getVtDataUsage();

		if (LOGV) Slog.d(TAG, "VT call data usage = " + usage);

		final NetworkStats vtSnapshot = new NetworkStats(SystemClock.elapsedRealtime(), 1);

		final NetworkStats.Entry entry = new NetworkStats.Entry();
		entry.iface = VT_INTERFACE;
		entry.uid = -1;
		entry.set = TAG_ALL;
		entry.tag = TAG_NONE;

		// Since modem only tell us the total usage instead of each usage for RX and TX,
		// we need to split it up (though it might not quite accurate). At
		// least we can make sure the data usage report to the user will still be accurate.
		entry.rxBytes = usage / 2;
		entry.rxPackets = 0;
		entry.txBytes = usage - entry.rxBytes;
		entry.txPackets = 0;
		vtSnapshot.combineValues(entry);

		// Merge VT int XT
		xtSnapshot.combineAllValues(vtSnapshot);

		return xtSnapshot;
		}

		/**
		* Return snapshot of current tethering statistics. Will return empty
		* {@link NetworkStats} if any problems are encountered.

telephony/java/android/telephony/TelephonyManager.java

+19 −0

Original line number	Diff line number	Diff line
		@@ -5519,5 +5519,24 @@ public class TelephonyManager {
		Log.e(TAG, "Error calling ITelephony#carrierActionSetRadioEnabled", e);
		}
		}

		/**
		* Get aggregated video call data usage since boot.
		* Permissions android.Manifest.permission.READ_NETWORK_USAGE_HISTORY is required.
		* @return total data usage in bytes
		* @hide
		*/
		public long getVtDataUsage() {

		try {
		ITelephony service = getITelephony();
		if (service != null) {
		return service.getVtDataUsage();
		}
		} catch (RemoteException e) {
		Log.e(TAG, "Error calling getVtDataUsage", e);
		}
		return 0;
		}
		}

telephony/java/com/android/internal/telephony/ITelephony.aidl

+15 −7

Original line number	Diff line number	Diff line
		@@ -1150,4 +1150,12 @@ interface ITelephony {
		* @hide
		*/
		void carrierActionSetRadioEnabled(int subId, boolean enabled);

		/**
		* Get aggregated video call data usage since boot.
		* Permissions android.Manifest.permission.READ_NETWORK_USAGE_HISTORY is required.
		* @return total data usage in bytes
		* @hide
		*/
		long getVtDataUsage();
		}