split libsensor our of libgui
Test: compile & run
Bug: treble cleanup
Change-Id: I5b2c2a14f7d3b364d25695cf0901c5b08cfb0fc9
diff --git a/libs/sensor/Sensor.cpp b/libs/sensor/Sensor.cpp
new file mode 100644
index 0000000..c2d477e
--- /dev/null
+++ b/libs/sensor/Sensor.cpp
@@ -0,0 +1,578 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#include <sensor/Sensor.h>
+
+#include <inttypes.h>
+
+#include <binder/AppOpsManager.h>
+#include <binder/IPermissionController.h>
+#include <binder/IServiceManager.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+Sensor::Sensor(const char * name) :
+ mName(name), mHandle(0), mType(0),
+ mMinValue(0), mMaxValue(0), mResolution(0),
+ mPower(0), mMinDelay(0), mVersion(0), mFifoReservedEventCount(0),
+ mFifoMaxEventCount(0), mRequiredAppOp(0),
+ mMaxDelay(0), mFlags(0) {
+}
+
+Sensor::Sensor(struct sensor_t const* hwSensor, int halVersion) :
+ Sensor(*hwSensor, uuid_t(), halVersion) {
+}
+
+Sensor::Sensor(struct sensor_t const& hwSensor, const uuid_t& uuid, int halVersion) {
+ mName = hwSensor.name;
+ mVendor = hwSensor.vendor;
+ mVersion = hwSensor.version;
+ mHandle = hwSensor.handle;
+ mType = hwSensor.type;
+ mMinValue = 0; // FIXME: minValue
+ mMaxValue = hwSensor.maxRange; // FIXME: maxValue
+ mResolution = hwSensor.resolution;
+ mPower = hwSensor.power;
+ mMinDelay = hwSensor.minDelay;
+ mFlags = 0;
+ mUuid = uuid;
+
+ // Set fifo event count zero for older devices which do not support batching. Fused
+ // sensors also have their fifo counts set to zero.
+ if (halVersion > SENSORS_DEVICE_API_VERSION_1_0) {
+ mFifoReservedEventCount = hwSensor.fifoReservedEventCount;
+ mFifoMaxEventCount = hwSensor.fifoMaxEventCount;
+ } else {
+ mFifoReservedEventCount = 0;
+ mFifoMaxEventCount = 0;
+ }
+
+ if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
+ if (hwSensor.maxDelay > INT_MAX) {
+ // Max delay is declared as a 64 bit integer for 64 bit architectures. But it should
+ // always fit in a 32 bit integer, log error and cap it to INT_MAX.
+ ALOGE("Sensor maxDelay overflow error %s %" PRId64, mName.string(),
+ static_cast<int64_t>(hwSensor.maxDelay));
+ mMaxDelay = INT_MAX;
+ } else {
+ mMaxDelay = static_cast<int32_t>(hwSensor.maxDelay);
+ }
+ } else {
+ // For older hals set maxDelay to 0.
+ mMaxDelay = 0;
+ }
+
+ // Ensure existing sensors have correct string type, required permissions and reporting mode.
+ // Set reportingMode for all android defined sensor types, set wake-up flag only for proximity
+ // sensor, significant motion, tilt, pick_up gesture, wake gesture and glance gesture on older
+ // HALs. Newer HALs can define both wake-up and non wake-up proximity sensors.
+ // All the OEM defined defined sensors have flags set to whatever is provided by the HAL.
+ switch (mType) {
+ case SENSOR_TYPE_ACCELEROMETER:
+ mStringType = SENSOR_STRING_TYPE_ACCELEROMETER;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_AMBIENT_TEMPERATURE:
+ mStringType = SENSOR_STRING_TYPE_AMBIENT_TEMPERATURE;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ break;
+ case SENSOR_TYPE_GAME_ROTATION_VECTOR:
+ mStringType = SENSOR_STRING_TYPE_GAME_ROTATION_VECTOR;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR:
+ mStringType = SENSOR_STRING_TYPE_GEOMAGNETIC_ROTATION_VECTOR;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_GRAVITY:
+ mStringType = SENSOR_STRING_TYPE_GRAVITY;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_GYROSCOPE:
+ mStringType = SENSOR_STRING_TYPE_GYROSCOPE;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED:
+ mStringType = SENSOR_STRING_TYPE_GYROSCOPE_UNCALIBRATED;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_HEART_RATE: {
+ mStringType = SENSOR_STRING_TYPE_HEART_RATE;
+ mRequiredPermission = SENSOR_PERMISSION_BODY_SENSORS;
+ AppOpsManager appOps;
+ mRequiredAppOp = appOps.permissionToOpCode(String16(SENSOR_PERMISSION_BODY_SENSORS));
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ } break;
+ case SENSOR_TYPE_LIGHT:
+ mStringType = SENSOR_STRING_TYPE_LIGHT;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ break;
+ case SENSOR_TYPE_LINEAR_ACCELERATION:
+ mStringType = SENSOR_STRING_TYPE_LINEAR_ACCELERATION;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_MAGNETIC_FIELD:
+ mStringType = SENSOR_STRING_TYPE_MAGNETIC_FIELD;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED:
+ mStringType = SENSOR_STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_ORIENTATION:
+ mStringType = SENSOR_STRING_TYPE_ORIENTATION;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_PRESSURE:
+ mStringType = SENSOR_STRING_TYPE_PRESSURE;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_PROXIMITY:
+ mStringType = SENSOR_STRING_TYPE_PROXIMITY;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_RELATIVE_HUMIDITY:
+ mStringType = SENSOR_STRING_TYPE_RELATIVE_HUMIDITY;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ break;
+ case SENSOR_TYPE_ROTATION_VECTOR:
+ mStringType = SENSOR_STRING_TYPE_ROTATION_VECTOR;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_SIGNIFICANT_MOTION:
+ mStringType = SENSOR_STRING_TYPE_SIGNIFICANT_MOTION;
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_STEP_COUNTER:
+ mStringType = SENSOR_STRING_TYPE_STEP_COUNTER;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ break;
+ case SENSOR_TYPE_STEP_DETECTOR:
+ mStringType = SENSOR_STRING_TYPE_STEP_DETECTOR;
+ mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE;
+ break;
+ case SENSOR_TYPE_TEMPERATURE:
+ mStringType = SENSOR_STRING_TYPE_TEMPERATURE;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ break;
+ case SENSOR_TYPE_TILT_DETECTOR:
+ mStringType = SENSOR_STRING_TYPE_TILT_DETECTOR;
+ mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_WAKE_GESTURE:
+ mStringType = SENSOR_STRING_TYPE_WAKE_GESTURE;
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_GLANCE_GESTURE:
+ mStringType = SENSOR_STRING_TYPE_GLANCE_GESTURE;
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_PICK_UP_GESTURE:
+ mStringType = SENSOR_STRING_TYPE_PICK_UP_GESTURE;
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_LOW_LATENCY_OFFBODY_DETECT:
+ mStringType = SENSOR_STRING_TYPE_LOW_LATENCY_OFFBODY_DETECT;
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ break;
+ case SENSOR_TYPE_WRIST_TILT_GESTURE:
+ mStringType = SENSOR_STRING_TYPE_WRIST_TILT_GESTURE;
+ mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_DYNAMIC_SENSOR_META:
+ mStringType = SENSOR_STRING_TYPE_DYNAMIC_SENSOR_META;
+ mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE; // special trigger
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_POSE_6DOF:
+ mStringType = SENSOR_STRING_TYPE_POSE_6DOF;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ case SENSOR_TYPE_STATIONARY_DETECT:
+ mStringType = SENSOR_STRING_TYPE_STATIONARY_DETECT;
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_MOTION_DETECT:
+ mStringType = SENSOR_STRING_TYPE_MOTION_DETECT;
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= SENSOR_FLAG_WAKE_UP;
+ }
+ break;
+ case SENSOR_TYPE_HEART_BEAT:
+ mStringType = SENSOR_STRING_TYPE_HEART_BEAT;
+ mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE;
+ break;
+
+ // TODO: Placeholder for LLOB sensor type
+
+
+ case SENSOR_TYPE_ACCELEROMETER_UNCALIBRATED:
+ mStringType = SENSOR_STRING_TYPE_ACCELEROMETER_UNCALIBRATED;
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ break;
+ default:
+ // Only pipe the stringType, requiredPermission and flags for custom sensors.
+ if (halVersion > SENSORS_DEVICE_API_VERSION_1_0 && hwSensor.stringType) {
+ mStringType = hwSensor.stringType;
+ }
+ if (halVersion > SENSORS_DEVICE_API_VERSION_1_0 && hwSensor.requiredPermission) {
+ mRequiredPermission = hwSensor.requiredPermission;
+ if (!strcmp(mRequiredPermission, SENSOR_PERMISSION_BODY_SENSORS)) {
+ AppOpsManager appOps;
+ mRequiredAppOp = appOps.permissionToOpCode(String16(SENSOR_PERMISSION_BODY_SENSORS));
+ }
+ }
+
+ if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags = static_cast<uint32_t>(hwSensor.flags);
+ } else {
+ // This is an OEM defined sensor on an older HAL. Use minDelay to determine the
+ // reporting mode of the sensor.
+ if (mMinDelay > 0) {
+ mFlags |= SENSOR_FLAG_CONTINUOUS_MODE;
+ } else if (mMinDelay == 0) {
+ mFlags |= SENSOR_FLAG_ON_CHANGE_MODE;
+ } else if (mMinDelay < 0) {
+ mFlags |= SENSOR_FLAG_ONE_SHOT_MODE;
+ }
+ }
+ break;
+ }
+
+ if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
+ // Wake-up flag of HAL 1.3 and above is set here
+ mFlags |= (hwSensor.flags & SENSOR_FLAG_WAKE_UP);
+
+ // Log error if the reporting mode is not as expected, but respect HAL setting.
+ int actualReportingMode = (hwSensor.flags & REPORTING_MODE_MASK) >> REPORTING_MODE_SHIFT;
+ int expectedReportingMode = (mFlags & REPORTING_MODE_MASK) >> REPORTING_MODE_SHIFT;
+ if (actualReportingMode != expectedReportingMode) {
+ ALOGE("Reporting Mode incorrect: sensor %s handle=%#010" PRIx32 " type=%" PRId32 " "
+ "actual=%d expected=%d",
+ mName.string(), mHandle, mType, actualReportingMode, expectedReportingMode);
+ }
+ }
+
+ // Feature flags
+ // Set DYNAMIC_SENSOR_MASK and ADDITIONAL_INFO_MASK flag here. Compatible with HAL 1_3.
+ if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
+ mFlags |= hwSensor.flags & (DYNAMIC_SENSOR_MASK | ADDITIONAL_INFO_MASK);
+ }
+ // Set DIRECT_REPORT_MASK and DIRECT_CHANNEL_MASK flags. Compatible with HAL 1_3.
+ if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
+ // only on continuous sensors direct report mode is defined
+ if ((mFlags & REPORTING_MODE_MASK) == SENSOR_FLAG_CONTINUOUS_MODE) {
+ mFlags |= hwSensor.flags
+ & (SENSOR_FLAG_MASK_DIRECT_REPORT | SENSOR_FLAG_MASK_DIRECT_CHANNEL);
+ }
+ }
+ // Set DATA_INJECTION flag here. Defined in HAL 1_4.
+ if (halVersion >= SENSORS_DEVICE_API_VERSION_1_4) {
+ mFlags |= (hwSensor.flags & DATA_INJECTION_MASK);
+ }
+
+ if (mRequiredPermission.length() > 0) {
+ // If the sensor is protected by a permission we need to know if it is
+ // a runtime one to determine whether we can use the permission cache.
+ sp<IBinder> binder = defaultServiceManager()->getService(String16("permission"));
+ if (binder != 0) {
+ sp<IPermissionController> permCtrl = interface_cast<IPermissionController>(binder);
+ mRequiredPermissionRuntime = permCtrl->isRuntimePermission(
+ String16(mRequiredPermission));
+ }
+ }
+}
+
+Sensor::~Sensor() {
+}
+
+const String8& Sensor::getName() const {
+ return mName;
+}
+
+const String8& Sensor::getVendor() const {
+ return mVendor;
+}
+
+int32_t Sensor::getHandle() const {
+ return mHandle;
+}
+
+int32_t Sensor::getType() const {
+ return mType;
+}
+
+float Sensor::getMinValue() const {
+ return mMinValue;
+}
+
+float Sensor::getMaxValue() const {
+ return mMaxValue;
+}
+
+float Sensor::getResolution() const {
+ return mResolution;
+}
+
+float Sensor::getPowerUsage() const {
+ return mPower;
+}
+
+int32_t Sensor::getMinDelay() const {
+ return mMinDelay;
+}
+
+nsecs_t Sensor::getMinDelayNs() const {
+ return getMinDelay() * 1000;
+}
+
+int32_t Sensor::getVersion() const {
+ return mVersion;
+}
+
+uint32_t Sensor::getFifoReservedEventCount() const {
+ return mFifoReservedEventCount;
+}
+
+uint32_t Sensor::getFifoMaxEventCount() const {
+ return mFifoMaxEventCount;
+}
+
+const String8& Sensor::getStringType() const {
+ return mStringType;
+}
+
+const String8& Sensor::getRequiredPermission() const {
+ return mRequiredPermission;
+}
+
+bool Sensor::isRequiredPermissionRuntime() const {
+ return mRequiredPermissionRuntime;
+}
+
+int32_t Sensor::getRequiredAppOp() const {
+ return mRequiredAppOp;
+}
+
+int32_t Sensor::getMaxDelay() const {
+ return mMaxDelay;
+}
+
+uint32_t Sensor::getFlags() const {
+ return mFlags;
+}
+
+bool Sensor::isWakeUpSensor() const {
+ return (mFlags & SENSOR_FLAG_WAKE_UP) != 0;
+}
+
+bool Sensor::isDynamicSensor() const {
+ return (mFlags & SENSOR_FLAG_DYNAMIC_SENSOR) != 0;
+}
+
+bool Sensor::hasAdditionalInfo() const {
+ return (mFlags & SENSOR_FLAG_ADDITIONAL_INFO) != 0;
+}
+
+int32_t Sensor::getHighestDirectReportRateLevel() const {
+ return ((mFlags & SENSOR_FLAG_MASK_DIRECT_REPORT) >> SENSOR_FLAG_SHIFT_DIRECT_REPORT);
+}
+
+bool Sensor::isDirectChannelTypeSupported(int32_t sharedMemType) const {
+ switch (sharedMemType) {
+ case SENSOR_DIRECT_MEM_TYPE_ASHMEM:
+ return mFlags & SENSOR_FLAG_DIRECT_CHANNEL_ASHMEM;
+ case SENSOR_DIRECT_MEM_TYPE_GRALLOC:
+ return mFlags & SENSOR_FLAG_DIRECT_CHANNEL_GRALLOC;
+ default:
+ return false;
+ }
+}
+
+int32_t Sensor::getReportingMode() const {
+ return ((mFlags & REPORTING_MODE_MASK) >> REPORTING_MODE_SHIFT);
+}
+
+const Sensor::uuid_t& Sensor::getUuid() const {
+ return mUuid;
+}
+
+void Sensor::setId(int32_t id) {
+ mUuid.i64[0] = id;
+ mUuid.i64[1] = 0;
+}
+
+int32_t Sensor::getId() const {
+ return int32_t(mUuid.i64[0]);
+}
+
+size_t Sensor::getFlattenedSize() const {
+ size_t fixedSize =
+ sizeof(mVersion) + sizeof(mHandle) + sizeof(mType) +
+ sizeof(mMinValue) + sizeof(mMaxValue) + sizeof(mResolution) +
+ sizeof(mPower) + sizeof(mMinDelay) + sizeof(mFifoMaxEventCount) +
+ sizeof(mFifoMaxEventCount) + sizeof(mRequiredPermissionRuntime) +
+ sizeof(mRequiredAppOp) + sizeof(mMaxDelay) + sizeof(mFlags) + sizeof(mUuid);
+
+ size_t variableSize =
+ sizeof(uint32_t) + FlattenableUtils::align<4>(mName.length()) +
+ sizeof(uint32_t) + FlattenableUtils::align<4>(mVendor.length()) +
+ sizeof(uint32_t) + FlattenableUtils::align<4>(mStringType.length()) +
+ sizeof(uint32_t) + FlattenableUtils::align<4>(mRequiredPermission.length());
+
+ return fixedSize + variableSize;
+}
+
+status_t Sensor::flatten(void* buffer, size_t size) const {
+ if (size < getFlattenedSize()) {
+ return NO_MEMORY;
+ }
+
+ flattenString8(buffer, size, mName);
+ flattenString8(buffer, size, mVendor);
+ FlattenableUtils::write(buffer, size, mVersion);
+ FlattenableUtils::write(buffer, size, mHandle);
+ FlattenableUtils::write(buffer, size, mType);
+ FlattenableUtils::write(buffer, size, mMinValue);
+ FlattenableUtils::write(buffer, size, mMaxValue);
+ FlattenableUtils::write(buffer, size, mResolution);
+ FlattenableUtils::write(buffer, size, mPower);
+ FlattenableUtils::write(buffer, size, mMinDelay);
+ FlattenableUtils::write(buffer, size, mFifoReservedEventCount);
+ FlattenableUtils::write(buffer, size, mFifoMaxEventCount);
+ flattenString8(buffer, size, mStringType);
+ flattenString8(buffer, size, mRequiredPermission);
+ FlattenableUtils::write(buffer, size, mRequiredPermissionRuntime);
+ FlattenableUtils::write(buffer, size, mRequiredAppOp);
+ FlattenableUtils::write(buffer, size, mMaxDelay);
+ FlattenableUtils::write(buffer, size, mFlags);
+ if (mUuid.i64[1] != 0) {
+ // We should never hit this case with our current API, but we
+ // could via a careless API change. If that happens,
+ // this code will keep us from leaking our UUID (while probably
+ // breaking dynamic sensors). See b/29547335.
+ ALOGW("Sensor with UUID being flattened; sending 0. Expect "
+ "bad dynamic sensor behavior");
+ uuid_t tmpUuid; // default constructor makes this 0.
+ FlattenableUtils::write(buffer, size, tmpUuid);
+ } else {
+ FlattenableUtils::write(buffer, size, mUuid);
+ }
+ return NO_ERROR;
+}
+
+status_t Sensor::unflatten(void const* buffer, size_t size) {
+ if (!unflattenString8(buffer, size, mName)) {
+ return NO_MEMORY;
+ }
+ if (!unflattenString8(buffer, size, mVendor)) {
+ return NO_MEMORY;
+ }
+
+ size_t fixedSize1 =
+ sizeof(mVersion) + sizeof(mHandle) + sizeof(mType) + sizeof(mMinValue) +
+ sizeof(mMaxValue) + sizeof(mResolution) + sizeof(mPower) + sizeof(mMinDelay) +
+ sizeof(mFifoMaxEventCount) + sizeof(mFifoMaxEventCount);
+ if (size < fixedSize1) {
+ return NO_MEMORY;
+ }
+
+ FlattenableUtils::read(buffer, size, mVersion);
+ FlattenableUtils::read(buffer, size, mHandle);
+ FlattenableUtils::read(buffer, size, mType);
+ FlattenableUtils::read(buffer, size, mMinValue);
+ FlattenableUtils::read(buffer, size, mMaxValue);
+ FlattenableUtils::read(buffer, size, mResolution);
+ FlattenableUtils::read(buffer, size, mPower);
+ FlattenableUtils::read(buffer, size, mMinDelay);
+ FlattenableUtils::read(buffer, size, mFifoReservedEventCount);
+ FlattenableUtils::read(buffer, size, mFifoMaxEventCount);
+
+ if (!unflattenString8(buffer, size, mStringType)) {
+ return NO_MEMORY;
+ }
+ if (!unflattenString8(buffer, size, mRequiredPermission)) {
+ return NO_MEMORY;
+ }
+
+ size_t fixedSize2 =
+ sizeof(mRequiredPermissionRuntime) + sizeof(mRequiredAppOp) + sizeof(mMaxDelay) +
+ sizeof(mFlags) + sizeof(mUuid);
+ if (size < fixedSize2) {
+ return NO_MEMORY;
+ }
+
+ FlattenableUtils::read(buffer, size, mRequiredPermissionRuntime);
+ FlattenableUtils::read(buffer, size, mRequiredAppOp);
+ FlattenableUtils::read(buffer, size, mMaxDelay);
+ FlattenableUtils::read(buffer, size, mFlags);
+ FlattenableUtils::read(buffer, size, mUuid);
+ return NO_ERROR;
+}
+
+void Sensor::flattenString8(void*& buffer, size_t& size,
+ const String8& string8) {
+ uint32_t len = static_cast<uint32_t>(string8.length());
+ FlattenableUtils::write(buffer, size, len);
+ memcpy(static_cast<char*>(buffer), string8.string(), len);
+ FlattenableUtils::advance(buffer, size, FlattenableUtils::align<4>(len));
+}
+
+bool Sensor::unflattenString8(void const*& buffer, size_t& size, String8& outputString8) {
+ uint32_t len;
+ if (size < sizeof(len)) {
+ return false;
+ }
+ FlattenableUtils::read(buffer, size, len);
+ if (size < len) {
+ return false;
+ }
+ outputString8.setTo(static_cast<char const*>(buffer), len);
+ FlattenableUtils::advance(buffer, size, FlattenableUtils::align<4>(len));
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android