Merge "Report Anomaly for invalid dataCallResponse" (2d088125) · Commits · e / devices / smdk4412 / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/data/DataNetwork.java

+35 −0

Original line number	Diff line number	Diff line
		@@ -2225,6 +2225,7 @@ public class DataNetwork extends StateMachine {
		logl("onSetupResponse: resultCode=" + DataServiceCallback.resultCodeToString(resultCode)
		+ ", response=" + response);
		mFailCause = getFailCauseFromDataCallResponse(resultCode, response);
		validateDataCallResponse(response);
		if (mFailCause == DataFailCause.NONE) {
		if (mDataNetworkController.isNetworkInterfaceExisting(response.getInterfaceName())) {
		logl("Interface " + response.getInterfaceName() + " already existing. Silently "
		@@ -2290,6 +2291,38 @@ public class DataNetwork extends StateMachine {
		mFailCause);
		}

		/**
		* If the {@link DataCallResponse} contains invalid info, triggers an anomaly report.
		*
		* @param response The response to be validated
		*/
		private void validateDataCallResponse(@Nullable DataCallResponse response) {
		if (response == null) return;
		int failCause = response.getCause();
		if (failCause == DataFailCause.NONE) {
		if (TextUtils.isEmpty(response.getInterfaceName())
		\|\| response.getAddresses().isEmpty()
		// if out of range
		\|\| response.getLinkStatus() < DataCallResponse.LINK_STATUS_UNKNOWN
		\|\| response.getLinkStatus() > DataCallResponse.LINK_STATUS_ACTIVE
		\|\| response.getProtocolType() < ApnSetting.PROTOCOL_UNKNOWN
		\|\| response.getProtocolType() > ApnSetting.PROTOCOL_UNSTRUCTURED
		\|\| response.getHandoverFailureMode()
		< DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN
		\|\| response.getHandoverFailureMode()
		> DataCallResponse.HANDOVER_FAILURE_MODE_NO_FALLBACK_RETRY_SETUP_NORMAL) {
		loge("Invalid DataCallResponse:" + response);
		reportAnomaly("Invalid DataCallResponse detected",
		"9f775beb-c638-44d2-833a-8c3875fee2d1");
		}
		} else if (!DataFailCause.isFailCauseExisting(failCause)) { // Setup data failed.
		loge("Invalid DataFailCause in " + response);
		reportAnomaly("Invalid DataFailCause: (0x" + Integer.toHexString(failCause)
		+ ")",
		"6b264f28-9f58-4cbd-9e0e-d7624ba30879");
		}
		}

		/**
		* Called when receiving deactivate data network response from the data service.
		*
		@@ -2412,6 +2445,7 @@ public class DataNetwork extends StateMachine {
		if (response != null) {
		if (!response.equals(mDataCallResponse)) {
		log("onDataStateChanged: " + response);
		validateDataCallResponse(response);
		mDataCallResponse = response;
		if (response.getLinkStatus() != DataCallResponse.LINK_STATUS_INACTIVE) {
		updateDataNetwork(response);
		@@ -2959,6 +2993,7 @@ public class DataNetwork extends StateMachine {
		logl("onHandoverResponse: resultCode=" + DataServiceCallback.resultCodeToString(resultCode)
		+ ", response=" + response);
		mFailCause = getFailCauseFromDataCallResponse(resultCode, response);
		validateDataCallResponse(response);
		if (mFailCause == DataFailCause.NONE) {
		// Handover succeeded.