Merge "Log audio recording and dynamic policy registration history" into pi-dev (f5a7a289) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/audio/AudioService.java

+9 −3

Original line number	Diff line number	Diff line
		@@ -6994,6 +6994,7 @@ public class AudioService extends IAudioService.Stub
		final int LOG_NB_EVENTS_WIRED_DEV_CONNECTION = 30;
		final int LOG_NB_EVENTS_FORCE_USE = 20;
		final int LOG_NB_EVENTS_VOLUME = 40;
		final int LOG_NB_EVENTS_DYN_POLICY = 10;

		final private AudioEventLogger mModeLogger = new AudioEventLogger(LOG_NB_EVENTS_PHONE_STATE,
		"phone state (logged after successfull call to AudioSystem.setPhoneState(int))");
		@@ -7010,6 +7011,9 @@ public class AudioService extends IAudioService.Stub
		final private AudioEventLogger mVolumeLogger = new AudioEventLogger(LOG_NB_EVENTS_VOLUME,
		"volume changes (logged when command received by AudioService)");

		final private AudioEventLogger mDynPolicyLogger = new AudioEventLogger(LOG_NB_EVENTS_DYN_POLICY,
		"dynamic policy events (logged when command received by AudioService)");

		private static final String[] RINGER_MODE_NAMES = new String[] {
		"SILENT",
		"VIBRATE",
		@@ -7077,6 +7081,7 @@ public class AudioService extends IAudioService.Stub
		pw.print(" mAvrcpAbsVolSupported="); pw.println(mAvrcpAbsVolSupported);

		dumpAudioPolicies(pw);
		mDynPolicyLogger.dump(pw);

		mPlaybackMonitor.dump(pw);

		@@ -7401,8 +7406,6 @@ public class AudioService extends IAudioService.Stub
		boolean hasFocusListener, boolean isFocusPolicy, boolean isVolumeController) {
		AudioSystem.setDynamicPolicyCallback(mDynPolicyCallback);

		if (DEBUG_AP) Log.d(TAG, "registerAudioPolicy for " + pcb.asBinder()
		+ " with config:" + policyConfig);
		String regId = null;
		// error handling
		boolean hasPermissionForPolicy =
		@@ -7414,6 +7417,8 @@ public class AudioService extends IAudioService.Stub
		return null;
		}

		mDynPolicyLogger.log((new AudioEventLogger.StringEvent("registerAudioPolicy for "
		+ pcb.asBinder() + " with config:" + policyConfig)).printLog(TAG));
		synchronized (mAudioPolicies) {
		try {
		if (mAudioPolicies.containsKey(pcb.asBinder())) {
		@@ -7436,7 +7441,8 @@ public class AudioService extends IAudioService.Stub
		}

		public void unregisterAudioPolicyAsync(IAudioPolicyCallback pcb) {
		if (DEBUG_AP) Log.d(TAG, "unregisterAudioPolicyAsync for " + pcb.asBinder());
		mDynPolicyLogger.log((new AudioEventLogger.StringEvent("unregisterAudioPolicyAsync for "
		+ pcb.asBinder()).printLog(TAG)));
		synchronized (mAudioPolicies) {
		AudioPolicyProxy app = mAudioPolicies.remove(pcb.asBinder());
		if (app == null) {

services/core/java/com/android/server/audio/RecordingActivityMonitor.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -103,6 +103,9 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
		conf.dump(pw);
		}
		}
		pw.println("\n");
		// log
		sEventLogger.dump(pw);
		}

		private ArrayList<AudioRecordingConfiguration> anonymizeForPublicConsumption(
		@@ -190,6 +193,9 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
		case AudioManager.RECORD_CONFIG_EVENT_STOP:
		// return failure if an unknown recording session stopped
		configChanged = (mRecordConfigs.remove(new Integer(session)) != null);
		if (configChanged) {
		sEventLogger.log(new RecordingEvent(event, uid, session, source, null));
		}
		break;
		case AudioManager.RECORD_CONFIG_EVENT_START:
		final AudioFormat clientFormat = new AudioFormat.Builder()
		@@ -231,6 +237,9 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
		mRecordConfigs.put(sessionKey, updatedConfig);
		configChanged = true;
		}
		if (configChanged) {
		sEventLogger.log(new RecordingEvent(event, uid, session, source, packageName));
		}
		break;
		default:
		Log.e(TAG, String.format("Unknown event %d for session %d, source %d",
		@@ -281,4 +290,36 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
		mDispatcherCb.asBinder().unlinkToDeath(this, 0);
		}
		}

		/**
		* Inner class for recording event logging
		*/
		private static final class RecordingEvent extends AudioEventLogger.Event {
		private final int mRecEvent;
		private final int mClientUid;
		private final int mSession;
		private final int mSource;
		private final String mPackName;

		RecordingEvent(int event, int uid, int session, int source, String packName) {
		mRecEvent = event;
		mClientUid = uid;
		mSession = session;
		mSource = source;
		mPackName = packName;
		}

		@Override
		public String eventToString() {
		return new StringBuilder("rec ").append(
		mRecEvent == AudioManager.RECORD_CONFIG_EVENT_START ? "start" : "stop ")
		.append(" uid:").append(mClientUid)
		.append(" session:").append(mSession)
		.append(" src:").append(MediaRecorder.toLogFriendlyAudioSource(mSource))
		.append(mPackName == null ? "" : " pack:" + mPackName).toString();
		}
		}

		private static final AudioEventLogger sEventLogger = new AudioEventLogger(50,
		"recording activity as reported through AudioSystem.AudioRecordingCallback");
		}