Merge "[SM06] Collect mobile NetworkStats metrics by collapsed rat type" into... (4597d66a) · Commits · e / os / android_frameworks_base

core/java/android/net/NetworkTemplate.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@ import static android.net.NetworkStats.ROAMING_NO;
		import static android.net.NetworkStats.ROAMING_YES;
		import static android.net.wifi.WifiInfo.sanitizeSsid;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.os.Parcel;
		@@ -52,6 +53,8 @@ import java.io.DataInputStream;
		import java.io.DataOutputStream;
		import java.io.IOException;
		import java.util.Arrays;
		import java.util.Collection;
		import java.util.HashSet;
		import java.util.List;
		import java.util.Objects;

		@@ -477,6 +480,32 @@ public class NetworkTemplate implements Parcelable {
		}
		}

		/**
		* Return all supported collapsed RAT types that could be returned by
		* {@link #getCollapsedRatType(int)}.
		*/
		@NonNull
		public static final int[] getAllCollapsedRatTypes() {
		final int[] ratTypes = TelephonyManager.getAllNetworkTypes();
		final HashSet<Integer> collapsedRatTypes = new HashSet<>();
		for (final int ratType : ratTypes) {
		collapsedRatTypes.add(NetworkTemplate.getCollapsedRatType(ratType));
		}
		// Ensure that unknown type is returned.
		collapsedRatTypes.add(TelephonyManager.NETWORK_TYPE_UNKNOWN);
		return toIntArray(collapsedRatTypes);
		}

		@NonNull
		private static int[] toIntArray(@NonNull Collection<Integer> list) {
		final int[] array = new int[list.size()];
		int i = 0;
		for (final Integer item : list) {
		array[i++] = item;
		}
		return array;
		}

		/**
		* Check if matches Wi-Fi network template.
		*/

services/core/java/com/android/server/stats/pull/StatsPullAtomService.java

+21 −8

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import static android.app.AppOpsManager.OP_FLAG_TRUSTED_PROXY;
		import static android.app.usage.NetworkStatsManager.FLAG_AUGMENT_WITH_SUBSCRIPTION_PLAN;
		import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;
		import static android.content.pm.PermissionInfo.PROTECTION_DANGEROUS;
		import static android.net.NetworkTemplate.getAllCollapsedRatTypes;
		import static android.os.Debug.getIonHeapsSizeKb;
		import static android.os.Process.getUidForPid;
		import static android.os.storage.VolumeInfo.TYPE_PRIVATE;
		@@ -718,7 +719,7 @@ public class StatsPullAtomService extends SystemService {
		final NetworkTemplate template = NetworkTemplate.buildTemplateWifiWildcard();
		final NetworkStats stats = getUidNetworkStatsSinceBoot(template, withFgbg);
		if (stats != null) {
		addNetworkStats(atomTag, pulledData, stats, withFgbg);
		addNetworkStats(atomTag, pulledData, stats, withFgbg, 0 /* ratType */);
		return StatsManager.PULL_SUCCESS;
		}
		return StatsManager.PULL_SKIP;
		@@ -726,17 +727,22 @@ public class StatsPullAtomService extends SystemService {

		private int pullMobileBytesTransfer(
		int atomTag, @NonNull List<StatsEvent> pulledData, boolean withFgbg) {
		final NetworkTemplate template = NetworkTemplate.buildTemplateMobileWildcard();
		int ret = StatsManager.PULL_SKIP;
		for (final int ratType : getAllCollapsedRatTypes()) {
		final NetworkTemplate template =
		NetworkTemplate.buildTemplateMobileWithRatType(null, ratType);
		final NetworkStats stats = getUidNetworkStatsSinceBoot(template, withFgbg);
		if (stats != null) {
		addNetworkStats(atomTag, pulledData, stats, withFgbg);
		return StatsManager.PULL_SUCCESS;
		addNetworkStats(atomTag, pulledData, stats, withFgbg, ratType);
		ret = StatsManager.PULL_SUCCESS; // If any of them is not null, then success.
		}
		return StatsManager.PULL_SKIP;
		}
		// If there is no data return PULL_SKIP to avoid wasting performance adding empty stats.
		return ret;
		}

		private void addNetworkStats(int atomTag, @NonNull List<StatsEvent> ret,
		@NonNull NetworkStats stats, boolean withFgbg) {
		@NonNull NetworkStats stats, boolean withFgbg, int ratType) {
		int size = stats.size();
		final NetworkStats.Entry entry = new NetworkStats.Entry(); // For recycling
		for (int j = 0; j < size; j++) {
		@@ -751,6 +757,13 @@ public class StatsPullAtomService extends SystemService {
		e.writeLong(entry.rxPackets);
		e.writeLong(entry.txBytes);
		e.writeLong(entry.txPackets);
		switch (atomTag) {
		case FrameworkStatsLog.MOBILE_BYTES_TRANSFER:
		case FrameworkStatsLog.MOBILE_BYTES_TRANSFER_BY_FG_BG:
		e.writeInt(ratType);
		break;
		default:
		}
		ret.add(e.build());
		}
		}