Merge "Forward unknown Data Stall types to Connectivity Diagnostics." am: 54d9df0f04 (3e089515) · Commits · e / os / android_frameworks_base

core/java/android/net/ConnectivityDiagnosticsManager.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -437,7 +437,7 @@ public class ConnectivityDiagnosticsManager {
		*/
		private long mReportTimestamp;

		/** The detection method used to identify the suspected data stall */
		/** A bitmask of the detection methods used to identify the suspected data stall */
		@DetectionMethod private final int mDetectionMethod;

		/** LinkProperties available on the Network at the reported timestamp */
		@@ -499,9 +499,9 @@ public class ConnectivityDiagnosticsManager {
		}

		/**
		* Returns the detection method used to identify this suspected data stall.
		* Returns the bitmask of detection methods used to identify this suspected data stall.
		*
		* @return The detection method used to identify the suspected data stall
		* @return The bitmask of detection methods used to identify the suspected data stall
		*/
		public int getDetectionMethod() {
		return mDetectionMethod;

services/core/java/com/android/server/ConnectivityService.java

+31 −20

Original line number	Diff line number	Diff line
		@@ -3094,30 +3094,24 @@ public class ConnectivityService extends IConnectivityManager.Stub
		}

		private void notifyDataStallSuspected(DataStallReportParcelable p, int netId) {
		log("Data stall detected with methods: " + p.detectionMethod);

		final PersistableBundle extras = new PersistableBundle();
		switch (p.detectionMethod) {
		case DETECTION_METHOD_DNS_EVENTS:
		int detectionMethod = 0;
		if (hasDataStallDetectionMethod(p, DETECTION_METHOD_DNS_EVENTS)) {
		extras.putInt(KEY_DNS_CONSECUTIVE_TIMEOUTS, p.dnsConsecutiveTimeouts);
		break;
		case DETECTION_METHOD_TCP_METRICS:
		detectionMethod \|= DETECTION_METHOD_DNS_EVENTS;
		}
		if (hasDataStallDetectionMethod(p, DETECTION_METHOD_TCP_METRICS)) {
		extras.putInt(KEY_TCP_PACKET_FAIL_RATE, p.tcpPacketFailRate);
		extras.putInt(KEY_TCP_METRICS_COLLECTION_PERIOD_MILLIS,
		p.tcpMetricsCollectionPeriodMillis);
		break;
		default:
		// TODO(b/156294356): update for new data stall detection methods
		log("Unknown data stall detection method, ignoring: " + p.detectionMethod);
		return;
		}

		notifyDataStallSuspected(p.detectionMethod, netId, p.timestampMillis, extras);
		detectionMethod \|= DETECTION_METHOD_TCP_METRICS;
		}

		private void notifyDataStallSuspected(int detectionMethod, int netId, long timestampMillis,
		@NonNull PersistableBundle extras) {
		final Message msg = mConnectivityDiagnosticsHandler.obtainMessage(
		ConnectivityDiagnosticsHandler.EVENT_DATA_STALL_SUSPECTED, detectionMethod, netId,
		timestampMillis);
		p.timestampMillis);
		msg.setData(new Bundle(extras));

		// NetworkStateTrackerHandler currently doesn't take any actions based on data
		@@ -3126,6 +3120,10 @@ public class ConnectivityService extends IConnectivityManager.Stub
		mConnectivityDiagnosticsHandler.sendMessage(msg);
		}

		private boolean hasDataStallDetectionMethod(DataStallReportParcelable p, int detectionMethod) {
		return (p.detectionMethod & detectionMethod) != 0;
		}

		private boolean networkRequiresPrivateDnsValidation(NetworkAgentInfo nai) {
		return isPrivateDnsValidationRequired(nai.networkCapabilities);
		}
		@@ -8185,6 +8183,19 @@ public class ConnectivityService extends IConnectivityManager.Stub
		+ "creators");
		}

		notifyDataStallSuspected(detectionMethod, network.netId, timestampMillis, extras);
		final DataStallReportParcelable p = new DataStallReportParcelable();
		p.timestampMillis = timestampMillis;
		p.detectionMethod = detectionMethod;

		if (hasDataStallDetectionMethod(p, DETECTION_METHOD_DNS_EVENTS)) {
		p.dnsConsecutiveTimeouts = extras.getInt(KEY_DNS_CONSECUTIVE_TIMEOUTS);
		}
		if (hasDataStallDetectionMethod(p, DETECTION_METHOD_TCP_METRICS)) {
		p.tcpPacketFailRate = extras.getInt(KEY_TCP_PACKET_FAIL_RATE);
		p.tcpMetricsCollectionPeriodMillis = extras.getInt(
		KEY_TCP_METRICS_COLLECTION_PERIOD_MILLIS);
		}

		notifyDataStallSuspected(p, network.netId);
		}
		}