Add ContentProfileErrorReportUtils (92abd165) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/content_profiles/ContentProfileErrorReportUtils.java

0 → 100644

+85 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		package com.android.bluetooth.content_profiles;

		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothProtoEnums;
		import android.os.SystemClock;
		import android.util.Log;

		import com.android.bluetooth.BluetoothStatsLog;
		import com.android.bluetooth.flags.Flags;
		import com.android.internal.annotations.VisibleForTesting;

		/**
		* Utility method to report exceptions and error/warn logs in content profiles. Will be no-op if
		* {@link Flags#contentProfilesErrorsMetrics()} is not enabled.
		*/
		public class ContentProfileErrorReportUtils {
		private static final String TAG = ContentProfileErrorReportUtils.class.getSimpleName();

		/* Minimum period between two error reports */
		@VisibleForTesting static final long MIN_PERIOD_BETWEEN_TWO_ERROR_REPORTS_MILLIS = 1_000;

		/* Whether reporting is enabled by flags */
		@VisibleForTesting static boolean sEnabled = Flags.contentProfilesErrorsMetrics();

		@VisibleForTesting static long sLastReportTime = 0;

		/**
		* Report error by writing BluetoothStatsLog.BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED atom. A
		* report will be skipped if not enough time has passed from the last report.
		*
		* @param profile One of: {@link BluetoothProfile#PBAP}, {@link BluetoothProfile#MAP}, {@link
		* BluetoothProfile#OPP}
		* @param fileNameEnum File name enum which is declared in {@link BluetoothProtoEnums}
		* @param type One of the following: {@link
		* BluetoothStatsLog#BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED__TYPE__EXCEPTION}, {@link
		* BluetoothStatsLog#BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED__TYPE__LOG_ERROR}, {@link
		* BluetoothStatsLog#BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED__TYPE__LOG_WARN}
		* @param tag A tag which represents the code location of this error. The values are managed per
		* each java file.
		*/
		public static synchronized void report(int profile, int fileNameEnum, int type, int tag) {
		if (!sEnabled) {
		return;
		}

		if (isTooFrequentReport()) {
		Log.w(
		TAG,
		"Skipping reporting this error to prevent flooding."
		+ " fileNameEnum="
		+ fileNameEnum
		+ ", tag="
		+ tag);
		return;
		}

		BluetoothStatsLog.write(
		BluetoothStatsLog.BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED,
		profile,
		fileNameEnum,
		type,
		tag);
		sLastReportTime = SystemClock.uptimeMillis();
		}

		private static boolean isTooFrequentReport() {
		return SystemClock.uptimeMillis() - sLastReportTime
		< MIN_PERIOD_BETWEEN_TWO_ERROR_REPORTS_MILLIS;
		}
		}

android/app/tests/unit/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ java_defaults {
		"androidx.test.ext.truth",
		"androidx.test.rules",
		"androidx.test.uiautomator_uiautomator",
		"flag-junit",
		"framework-bluetooth-pre-jarjar",
		"frameworks-base-testutils",
		"gson",

android/app/tests/unit/src/com/android/bluetooth/content_profiles/ContentProfileErrorReportUtilsTest.java

0 → 100644

+81 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		package com.android.bluetooth.content_profiles;

		import static com.google.common.truth.Truth.assertThat;

		import android.os.SystemClock;
		import android.platform.test.flag.junit.SetFlagsRule;

		import androidx.test.filters.SmallTest;
		import androidx.test.runner.AndroidJUnit4;

		import com.android.bluetooth.flags.Flags;

		import org.junit.Rule;
		import org.junit.Test;
		import org.junit.runner.RunWith;

		@SmallTest
		@RunWith(AndroidJUnit4.class)
		public class ContentProfileErrorReportUtilsTest {

		@Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();

		@Test
		public void noOpWhenFlagIsDisabled() {
		mSetFlagsRule.disableFlags(Flags.FLAG_CONTENT_PROFILES_ERRORS_METRICS);
		long previousReportTimeMillis = ContentProfileErrorReportUtils.sLastReportTime;

		ContentProfileErrorReportUtils.report(0, 0, 0, 0);

		// The last report time should not be changed.
		assertThat(ContentProfileErrorReportUtils.sLastReportTime)
		.isEqualTo(previousReportTimeMillis);
		}

		@Test
		public void tooFrequentErrorReportIsSkipped() {
		mSetFlagsRule.enableFlags(Flags.FLAG_CONTENT_PROFILES_ERRORS_METRICS);
		// Set the last report time to the current time.
		long lastReportTimeMillisToSet = SystemClock.uptimeMillis();
		ContentProfileErrorReportUtils.sLastReportTime = lastReportTimeMillisToSet;

		ContentProfileErrorReportUtils.report(0, 0, 0, 0);

		// The last report time should not be changed.
		assertThat(ContentProfileErrorReportUtils.sLastReportTime)
		.isEqualTo(lastReportTimeMillisToSet);
		}

		@Test
		public void successfulReport() {
		mSetFlagsRule.enableFlags(Flags.FLAG_CONTENT_PROFILES_ERRORS_METRICS);
		// Set the last report time to much earlier than the current time.
		long lastReportTimeMillisToSet =
		SystemClock.uptimeMillis()
		- (ContentProfileErrorReportUtils
		.MIN_PERIOD_BETWEEN_TWO_ERROR_REPORTS_MILLIS
		* 2);
		ContentProfileErrorReportUtils.sLastReportTime = lastReportTimeMillisToSet;

		ContentProfileErrorReportUtils.report(0, 0, 0, 0);

		// After the successful report, the last report time should be changed.
		assertThat(ContentProfileErrorReportUtils.sLastReportTime)
		.isGreaterThan(lastReportTimeMillisToSet);
		}
		}