Show masked value for sensor with permission (08f1b67b) · Commits · e / os / android_frameworks_native-old

services/sensorservice/RecentEventLogger.cpp

+18 −6

Original line number	Diff line number	Diff line
		@@ -31,7 +31,7 @@ namespace {

		RecentEventLogger::RecentEventLogger(int sensorType) :
		mSensorType(sensorType), mEventSize(eventSizeBySensorType(mSensorType)),
		mRecentEvents(logSizeBySensorType(sensorType)) {
		mRecentEvents(logSizeBySensorType(sensorType)), mMaskData(false) {
		// blank
		}

		@@ -60,6 +60,7 @@ std::string RecentEventLogger::dump() const {
		(int) ns2ms(ev.mWallTime.tv_nsec));

		// data
		if (!mMaskData) {
		if (mSensorType == SENSOR_TYPE_STEP_COUNTER) {
		buffer.appendFormat("%" PRIu64 ", ", ev.mEvent.u64.step_counter);
		} else {
		@@ -67,11 +68,22 @@ std::string RecentEventLogger::dump() const {
		buffer.appendFormat("%.2f, ", ev.mEvent.data[k]);
		}
		}
		} else {
		buffer.append("[value masked]");
		}
		buffer.append("\n");
		}
		return std::string(buffer.string());
		}

		void RecentEventLogger::setFormat(std::string format) {
		if (format == "mask_data" ) {
		mMaskData = true;
		} else {
		mMaskData = false;
		}
		}

		bool RecentEventLogger::populateLastEvent(sensors_event_t *event) const {
		std::lock_guard<std::mutex> lk(mLock);

+3 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,7 @@ public:

		// Dumpable interface
		virtual std::string dump() const override;
		virtual void setFormat(std::string format) override;

		protected:
		struct SensorEventLog {
		@@ -57,6 +58,8 @@ protected:
		mutable std::mutex mLock;
		RingBuffer<SensorEventLog> mRecentEvents;

		bool mMaskData;

		private:
		static size_t logSizeBySensorType(int sensorType);
		};

+7 −2

Original line number	Diff line number	Diff line
		@@ -322,6 +322,7 @@ status_t SensorService::dump(int fd, const Vector<String16>& args) {
		IPCThreadState::self()->getCallingPid(),
		IPCThreadState::self()->getCallingUid());
		} else {
		bool privileged = IPCThreadState::self()->getCallingUid() == 0;
		if (args.size() > 2) {
		return INVALID_OPERATION;
		}
		@@ -393,8 +394,12 @@ status_t SensorService::dump(int fd, const Vector<String16>& args) {
		result.append("Recent Sensor events:\n");
		for (auto&& i : mRecentEvent) {
		sp<SensorInterface> s = mSensors.getInterface(i.first);
		if (!i.second->isEmpty() &&
		s->getSensor().getRequiredPermission().isEmpty()) {
		if (!i.second->isEmpty()) {
		if (privileged \|\| s->getSensor().getRequiredPermission().isEmpty()) {
		i.second->setFormat("normal");
		} else {
		i.second->setFormat("mask_data");
		}
		// if there is events and sensor does not need special permission.
		result.appendFormat("%s: ", s->getSensor().getName().string());
		result.append(i.second->dump().c_str());