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363 lines
15 KiB
363 lines
15 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "UserHalHelper"
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#include "UserHalHelper.h"
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#include <log/log.h>
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#include <utils/SystemClock.h>
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namespace android {
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namespace hardware {
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namespace automotive {
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namespace vehicle {
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namespace V2_0 {
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namespace user_hal_helper {
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namespace {
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using android::base::Error;
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using android::base::Result;
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static constexpr const char* kSeparator = "||";
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static const size_t kNumFieldsPerUserInfo = 2;
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static const size_t kNumFieldsPerSetAssociation = 2;
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Result<void> verifyPropValue(const VehiclePropValue& propValue, VehicleProperty vehicleProperty,
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size_t minInt32Values) {
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auto prop = verifyAndCast<VehicleProperty>(propValue.prop);
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if (!prop.ok()) {
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return Error() << "Invalid vehicle property: " << prop.error();
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}
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if (*prop != vehicleProperty) {
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return Error() << "Mismatching " << toString(vehicleProperty) << " request, received "
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<< toString(*prop) << " property";
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}
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if (propValue.value.int32Values.size() < minInt32Values) {
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return Error() << "Int32Values must have at least " << minInt32Values
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<< " values, received " << propValue.value.int32Values.size();
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}
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return {};
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}
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Result<void> parseUserInfo(const hidl_vec<int32_t>& int32Values, size_t startPos,
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UserInfo* userInfo) {
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if (int32Values.size() < startPos + kNumFieldsPerUserInfo) {
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return Error() << "Int32Values must have at least " << startPos + 2 << " values, received "
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<< int32Values.size();
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}
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userInfo->userId = int32Values[startPos];
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auto userFlags = verifyAndCast<UserFlags>(int32Values[startPos + 1]);
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if (!userFlags.ok()) {
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return Error() << "Invalid user flags: " << userFlags.error();
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}
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userInfo->flags = *userFlags;
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return {};
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}
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Result<void> parseUsersInfo(const hidl_vec<int32_t>& int32Values, size_t startPos,
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UsersInfo* usersInfo) {
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if (int32Values.size() < startPos + 3) {
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return Error() << "Int32Values must have at least " << startPos + 3 << " values, received "
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<< int32Values.size();
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}
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auto ret = parseUserInfo(int32Values, startPos, &usersInfo->currentUser);
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if (!ret.ok()) {
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return ret;
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}
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usersInfo->numberUsers = int32Values[startPos + 2];
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usersInfo->existingUsers.resize(usersInfo->numberUsers);
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for (size_t i = 0; i < static_cast<size_t>(usersInfo->numberUsers); ++i) {
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ret = parseUserInfo(int32Values, startPos + 3 + (kNumFieldsPerUserInfo * i),
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&usersInfo->existingUsers[i]);
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if (!ret.ok()) {
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return Error() << "Failed to parse existing user '" << i << "' info: " << ret.error();
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}
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}
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return {};
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}
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Result<void> parseUserAssociationTypes(
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const hidl_vec<int32_t>& int32Values, size_t startPos, size_t numberAssociationTypes,
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hidl_vec<UserIdentificationAssociationType>* associationTypes) {
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size_t minInt32Values = startPos + numberAssociationTypes;
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if (int32Values.size() < minInt32Values) {
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return Error() << "Int32Values must have at least " << minInt32Values
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<< " values, received " << int32Values.size();
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}
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associationTypes->resize(numberAssociationTypes);
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for (size_t i = 0; i < static_cast<size_t>(numberAssociationTypes); ++i) {
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size_t pos = startPos + i;
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auto type = verifyAndCast<UserIdentificationAssociationType>(int32Values[pos]);
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if (!type.ok()) {
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return Error() << "Invalid association type in query '" << i << "': " << type.error();
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}
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(*associationTypes)[i] = *type;
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}
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return {};
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}
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Result<void> parseUserAssociations(const hidl_vec<int32_t>& int32Values, size_t startPos,
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size_t numberAssociations,
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hidl_vec<UserIdentificationSetAssociation>* associations) {
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size_t minInt32Values = startPos + (numberAssociations * kNumFieldsPerSetAssociation);
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if (int32Values.size() < minInt32Values) {
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return Error() << "Int32Values must have at least " << minInt32Values
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<< " values, received " << int32Values.size();
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}
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associations->resize(numberAssociations);
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for (size_t i = 0; i < static_cast<size_t>(numberAssociations); ++i) {
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size_t pos = startPos + (kNumFieldsPerSetAssociation * i);
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auto type = verifyAndCast<UserIdentificationAssociationType>(int32Values[pos]);
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if (!type.ok()) {
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return Error() << "Invalid association type in request '" << i << "': " << type.error();
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}
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(*associations)[i].type = *type;
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auto value = verifyAndCast<UserIdentificationAssociationSetValue>(int32Values[pos + 1]);
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if (!value.ok()) {
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return Error() << "Invalid association set value in request '" << i
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<< "': " << value.error();
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}
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(*associations)[i].value = *value;
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}
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return {};
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}
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} // namespace
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template <typename T>
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Result<T> verifyAndCast(int32_t value) {
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T castValue = static_cast<T>(value);
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for (const auto& v : hidl_enum_range<T>()) {
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if (castValue == v) {
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return castValue;
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}
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}
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return Error() << "Value " << value << " not in enum values";
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}
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Result<InitialUserInfoRequest> toInitialUserInfoRequest(const VehiclePropValue& propValue) {
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auto ret = verifyPropValue(propValue, VehicleProperty::INITIAL_USER_INFO, 2);
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if (!ret.ok()) {
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return ret.error();
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}
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InitialUserInfoRequest request;
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request.requestId = propValue.value.int32Values[0];
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auto requestType = verifyAndCast<InitialUserInfoRequestType>(propValue.value.int32Values[1]);
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if (!requestType.ok()) {
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return Error() << "Invalid InitialUserInfoRequestType: " << requestType.error();
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}
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request.requestType = *requestType;
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ret = parseUsersInfo(propValue.value.int32Values, 2, &request.usersInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse users info: " << ret.error();
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}
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return request;
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}
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Result<SwitchUserRequest> toSwitchUserRequest(const VehiclePropValue& propValue) {
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auto ret = verifyPropValue(propValue, VehicleProperty::SWITCH_USER, 2);
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if (!ret.ok()) {
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return ret.error();
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}
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SwitchUserRequest request;
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auto messageType = verifyAndCast<SwitchUserMessageType>(propValue.value.int32Values[1]);
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if (!messageType.ok()) {
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return Error() << "Invalid SwitchUserMessageType: " << messageType.error();
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}
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if (*messageType != SwitchUserMessageType::LEGACY_ANDROID_SWITCH &&
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*messageType != SwitchUserMessageType::ANDROID_SWITCH &&
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*messageType != SwitchUserMessageType::ANDROID_POST_SWITCH) {
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return Error() << "Invalid " << toString(*messageType)
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<< " message type from Android System";
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}
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request.requestId = propValue.value.int32Values[0];
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request.messageType = *messageType;
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ret = parseUserInfo(propValue.value.int32Values, 2, &request.targetUser);
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if (!ret.ok()) {
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return Error() << "Failed to parse target user info: " << ret.error();
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}
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ret = parseUsersInfo(propValue.value.int32Values, 4, &request.usersInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse users info: " << ret.error();
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}
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return request;
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}
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Result<CreateUserRequest> toCreateUserRequest(const VehiclePropValue& propValue) {
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auto ret = verifyPropValue(propValue, VehicleProperty::CREATE_USER, 1);
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if (!ret.ok()) {
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return ret.error();
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}
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CreateUserRequest request;
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request.requestId = propValue.value.int32Values[0];
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ret = parseUserInfo(propValue.value.int32Values, 1, &request.newUserInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse new user info: " << ret.error();
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}
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request.newUserName = propValue.value.stringValue;
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ret = parseUsersInfo(propValue.value.int32Values, 3, &request.usersInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse users info: " << ret.error();
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}
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return request;
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}
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Result<RemoveUserRequest> toRemoveUserRequest(const VehiclePropValue& propValue) {
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auto ret = verifyPropValue(propValue, VehicleProperty::REMOVE_USER, 1);
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if (!ret.ok()) {
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return ret.error();
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}
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RemoveUserRequest request;
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request.requestId = propValue.value.int32Values[0];
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ret = parseUserInfo(propValue.value.int32Values, 1, &request.removedUserInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse removed user info: " << ret.error();
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}
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ret = parseUsersInfo(propValue.value.int32Values, 3, &request.usersInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse users info: " << ret.error();
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}
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return request;
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}
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Result<UserIdentificationGetRequest> toUserIdentificationGetRequest(
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const VehiclePropValue& propValue) {
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auto ret = verifyPropValue(propValue, VehicleProperty::USER_IDENTIFICATION_ASSOCIATION, 4);
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if (!ret.ok()) {
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return ret.error();
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}
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UserIdentificationGetRequest request;
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request.requestId = propValue.value.int32Values[0];
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ret = parseUserInfo(propValue.value.int32Values, 1, &request.userInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse user info: " << ret.error();
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}
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request.numberAssociationTypes = propValue.value.int32Values[3];
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ret = parseUserAssociationTypes(propValue.value.int32Values, 4, request.numberAssociationTypes,
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&request.associationTypes);
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if (!ret.ok()) {
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return Error() << "Failed to parse UserIdentificationAssociationType: " << ret.error();
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}
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return request;
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}
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Result<UserIdentificationSetRequest> toUserIdentificationSetRequest(
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const VehiclePropValue& propValue) {
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auto ret = verifyPropValue(propValue, VehicleProperty::USER_IDENTIFICATION_ASSOCIATION, 4);
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if (!ret.ok()) {
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return ret.error();
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}
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UserIdentificationSetRequest request;
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request.requestId = propValue.value.int32Values[0];
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ret = parseUserInfo(propValue.value.int32Values, 1, &request.userInfo);
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if (!ret.ok()) {
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return Error() << "Failed to parse user info: " << ret.error();
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}
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request.numberAssociations = propValue.value.int32Values[3];
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ret = parseUserAssociations(propValue.value.int32Values, 4, request.numberAssociations,
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&request.associations);
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if (!ret.ok()) {
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return Error() << "Failed to parse UserIdentificationSetAssociation: " << ret.error();
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}
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return request;
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}
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std::unique_ptr<VehiclePropValue> toVehiclePropValue(const SwitchUserRequest& request) {
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if (request.messageType != SwitchUserMessageType::VEHICLE_REQUEST) {
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ALOGE("Invalid %s message type %s from HAL", toString(VehicleProperty::SWITCH_USER).c_str(),
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toString(request.messageType).c_str());
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return nullptr;
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}
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auto propValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue());
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propValue->prop = static_cast<int32_t>(VehicleProperty::SWITCH_USER);
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propValue->timestamp = elapsedRealtimeNano();
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propValue->value.int32Values.resize(3);
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propValue->value.int32Values[0] = static_cast<int32_t>(request.requestId);
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propValue->value.int32Values[1] = static_cast<int32_t>(request.messageType);
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propValue->value.int32Values[2] = static_cast<int32_t>(request.targetUser.userId);
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return propValue;
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}
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std::unique_ptr<VehiclePropValue> toVehiclePropValue(const InitialUserInfoResponse& response) {
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auto propValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue());
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propValue->prop = static_cast<int32_t>(VehicleProperty::INITIAL_USER_INFO);
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propValue->timestamp = elapsedRealtimeNano();
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propValue->value.int32Values.resize(4);
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propValue->value.int32Values[0] = static_cast<int32_t>(response.requestId);
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propValue->value.int32Values[1] = static_cast<int32_t>(response.action);
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propValue->value.int32Values[2] = static_cast<int32_t>(response.userToSwitchOrCreate.userId);
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propValue->value.int32Values[3] = static_cast<int32_t>(response.userToSwitchOrCreate.flags);
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propValue->value.stringValue = std::string(response.userLocales) + std::string(kSeparator) +
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std::string(response.userNameToCreate);
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return propValue;
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}
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std::unique_ptr<VehiclePropValue> toVehiclePropValue(const SwitchUserResponse& response) {
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auto propValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue());
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propValue->prop = static_cast<int32_t>(VehicleProperty::SWITCH_USER);
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propValue->timestamp = elapsedRealtimeNano();
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propValue->value.int32Values.resize(3);
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propValue->value.int32Values[0] = static_cast<int32_t>(response.requestId);
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propValue->value.int32Values[1] = static_cast<int32_t>(response.messageType);
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propValue->value.int32Values[2] = static_cast<int32_t>(response.status);
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if (response.status == SwitchUserStatus::FAILURE) {
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propValue->value.stringValue = response.errorMessage;
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}
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return propValue;
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}
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std::unique_ptr<VehiclePropValue> toVehiclePropValue(const CreateUserResponse& response) {
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auto propValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue());
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propValue->prop = static_cast<int32_t>(VehicleProperty::CREATE_USER);
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propValue->timestamp = elapsedRealtimeNano();
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propValue->value.int32Values.resize(2);
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propValue->value.int32Values[0] = static_cast<int32_t>(response.requestId);
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propValue->value.int32Values[1] = static_cast<int32_t>(response.status);
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if (response.status == CreateUserStatus::FAILURE) {
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propValue->value.stringValue = response.errorMessage;
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}
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return propValue;
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}
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std::unique_ptr<VehiclePropValue> toVehiclePropValue(const UserIdentificationResponse& response) {
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auto propValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue());
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propValue->prop = static_cast<int32_t>(VehicleProperty::USER_IDENTIFICATION_ASSOCIATION);
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propValue->timestamp = elapsedRealtimeNano();
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propValue->value.int32Values.resize(2 + (response.numberAssociation * 2));
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propValue->value.int32Values[0] = static_cast<int32_t>(response.requestId);
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propValue->value.int32Values[1] = static_cast<int32_t>(response.numberAssociation);
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for (size_t i = 0; i < static_cast<size_t>(response.numberAssociation); ++i) {
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size_t int32ValuesPos = 2 + (2 * i);
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propValue->value.int32Values[int32ValuesPos] =
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static_cast<int32_t>(response.associations[i].type);
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propValue->value.int32Values[int32ValuesPos + 1] =
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static_cast<int32_t>(response.associations[i].value);
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}
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if (!response.errorMessage.empty()) {
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propValue->value.stringValue = response.errorMessage;
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}
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return propValue;
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}
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} // namespace user_hal_helper
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} // namespace V2_0
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} // namespace vehicle
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} // namespace automotive
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} // namespace hardware
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} // namespace android
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