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Update EmulatedUserHal to use UserHalHelper native library.

Browse source 
Bug: 150409377
Test: Tested using lshal commands in go/user-hal-emulation.

Change-Id: I79486a715c92111d3d6f5c011b7e1cd8c5501c25
Merged-In: I4ba2202e28ef9260b38ebbf21083d55d7aa07fc9
This commit is contained in:
Lakshman Annadorai 2020-08-06 14:25:03 -07:00
parent b461849e98
commit 92ad8215e7
4 changed files with 140 additions and 126 deletions
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4
automotive/vehicle/2.0/default/Android.bp
View file

@ -108,6 +108,9 @@ cc_library_static {
srcs: [
"impl/vhal_v2_0/EmulatedUserHal.cpp",
],
whole_static_libs: [
"android.hardware.automotive.vehicle@2.0-user-hal-helper-lib",
],
}
// Vehicle HAL Server reference impl lib
@ -143,6 +146,7 @@ cc_library_static {
],
whole_static_libs: [
"android.hardware.automotive.vehicle@2.0-server-common-lib",
"android.hardware.automotive.vehicle@2.0-user-hal-helper-lib",
],
static_libs: [
"android.hardware.automotive.vehicle@2.0-libproto-native",

208
automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.cpp
View file

@ -15,10 +15,12 @@
*/
#define LOG_TAG "EmulatedUserHal"
#include "EmulatedUserHal.h"
#include <cutils/log.h>
#include <utils/SystemClock.h>
#include "EmulatedUserHal.h"
#include "UserHalHelper.h"
namespace android {
namespace hardware {
@ -28,12 +30,35 @@ namespace V2_0 {
namespace impl {
constexpr int INITIAL_USER_INFO = static_cast<int>(VehicleProperty::INITIAL_USER_INFO);
constexpr int SWITCH_USER = static_cast<int>(VehicleProperty::SWITCH_USER);
constexpr int CREATE_USER = static_cast<int>(VehicleProperty::CREATE_USER);
constexpr int REMOVE_USER = static_cast<int>(VehicleProperty::REMOVE_USER);
constexpr int USER_IDENTIFICATION_ASSOCIATION =
static_cast<int>(VehicleProperty::USER_IDENTIFICATION_ASSOCIATION);
namespace {
using android::base::Error;
using android::base::Result;
constexpr int32_t INITIAL_USER_INFO = static_cast<int32_t>(VehicleProperty::INITIAL_USER_INFO);
constexpr int32_t SWITCH_USER = static_cast<int32_t>(VehicleProperty::SWITCH_USER);
constexpr int32_t CREATE_USER = static_cast<int32_t>(VehicleProperty::CREATE_USER);
constexpr int32_t REMOVE_USER = static_cast<int32_t>(VehicleProperty::REMOVE_USER);
constexpr int32_t USER_IDENTIFICATION_ASSOCIATION =
static_cast<int32_t>(VehicleProperty::USER_IDENTIFICATION_ASSOCIATION);
Result<int32_t> getRequestId(const VehiclePropValue& value) {
if (value.value.int32Values.size() < 1) {
return Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "no int32values on " << toString(value);
}
return value.value.int32Values[0];
}
Result<SwitchUserMessageType> getSwitchUserMessageType(const VehiclePropValue& value) {
if (value.value.int32Values.size() < 2) {
return Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "missing switch user message type " << toString(value);
}
return user_hal_helper::verifyAndCast<SwitchUserMessageType>(value.value.int32Values[1]);
}
} // namespace
bool EmulatedUserHal::isSupported(int32_t prop) {
switch (prop) {
@ -48,7 +73,7 @@ bool EmulatedUserHal::isSupported(int32_t prop) {
}
}
android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetProperty(
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetProperty(
const VehiclePropValue& value) {
ALOGV("onSetProperty(): %s", toString(value).c_str());
@ -65,12 +90,12 @@ android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetP
case USER_IDENTIFICATION_ASSOCIATION:
return onSetUserIdentificationAssociation(value);
default:
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
return Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "Unsupported property: " << toString(value);
}
}
android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onGetProperty(
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onGetProperty(
const VehiclePropValue& value) {
ALOGV("onGetProperty(%s)", toString(value).c_str());
switch (value.prop) {
@ -79,42 +104,41 @@ android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onGetP
case CREATE_USER:
case REMOVE_USER:
ALOGE("onGetProperty(): %d is only supported on SET", value.prop);
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "only supported on SET";
return Error(static_cast<int>(StatusCode::INVALID_ARG)) << "only supported on SET";
case USER_IDENTIFICATION_ASSOCIATION:
return onGetUserIdentificationAssociation(value);
default:
ALOGE("onGetProperty(): %d is not supported", value.prop);
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "not supported by User HAL";
return Error(static_cast<int>(StatusCode::INVALID_ARG)) << "not supported by User HAL";
}
}
android::base::Result<std::unique_ptr<VehiclePropValue>>
EmulatedUserHal::onGetUserIdentificationAssociation(const VehiclePropValue& value) {
if (mSetUserIdentificationAssociationResponseFromCmd != nullptr) {
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onGetUserIdentificationAssociation(
const VehiclePropValue& value) {
if (mSetUserIdentificationAssociationResponseFromCmd == nullptr) {
return defaultUserIdentificationAssociation(value);
}
ALOGI("get(USER_IDENTIFICATION_ASSOCIATION): returning %s",
toString(*mSetUserIdentificationAssociationResponseFromCmd).c_str());
auto newValue = std::unique_ptr<VehiclePropValue>(
new VehiclePropValue(*mSetUserIdentificationAssociationResponseFromCmd));
auto requestId = getRequestId(value);
if (requestId.ok()) {
// Must use the same requestId
if (value.value.int32Values.size() > 0) {
newValue->value.int32Values[0] = value.value.int32Values[0];
newValue->value.int32Values[0] = *requestId;
} else {
ALOGE("get(USER_IDENTIFICATION_ASSOCIATION): no requestId on %s",
toString(value).c_str());
ALOGE("get(USER_IDENTIFICATION_ASSOCIATION): no requestId on %s", toString(value).c_str());
}
return newValue;
}
return defaultUserIdentificationAssociation(value);
}
android::base::Result<std::unique_ptr<VehiclePropValue>>
EmulatedUserHal::onSetInitialUserInfoResponse(const VehiclePropValue& value) {
if (value.value.int32Values.size() == 0) {
ALOGE("set(INITIAL_USER_INFO): no int32values, ignoring it: %s", toString(value).c_str());
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "no int32values on " << toString(value);
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetInitialUserInfoResponse(
const VehiclePropValue& value) {
auto requestId = getRequestId(value);
if (!requestId.ok()) {
ALOGE("Failed to get requestId on set(INITIAL_USER_INFO): %s",
requestId.error().message().c_str());
return requestId.error();
}
if (value.areaId != 0) {
@ -124,40 +148,40 @@ EmulatedUserHal::onSetInitialUserInfoResponse(const VehiclePropValue& value) {
}
ALOGD("set(INITIAL_USER_INFO) called from Android: %s", toString(value).c_str());
int32_t requestId = value.value.int32Values[0];
if (mInitialUserResponseFromCmd != nullptr) {
ALOGI("replying INITIAL_USER_INFO with lshal value: %s",
toString(*mInitialUserResponseFromCmd).c_str());
return sendUserHalResponse(std::move(mInitialUserResponseFromCmd), requestId);
return sendUserHalResponse(std::move(mInitialUserResponseFromCmd), *requestId);
}
// Returns default response
auto updatedValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue);
updatedValue->prop = INITIAL_USER_INFO;
updatedValue->timestamp = elapsedRealtimeNano();
updatedValue->value.int32Values.resize(2);
updatedValue->value.int32Values[0] = requestId;
updatedValue->value.int32Values[1] = (int32_t)InitialUserInfoResponseAction::DEFAULT;
auto updatedValue = user_hal_helper::toVehiclePropValue(InitialUserInfoResponse{
.requestId = *requestId,
.action = InitialUserInfoResponseAction::DEFAULT,
});
ALOGI("no lshal response; replying with InitialUserInfoResponseAction::DEFAULT: %s",
toString(*updatedValue).c_str());
return updatedValue;
}
android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetSwitchUserResponse(
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetSwitchUserResponse(
const VehiclePropValue& value) {
if (value.value.int32Values.size() == 0) {
ALOGE("set(SWITCH_USER): no int32values, ignoring it: %s", toString(value).c_str());
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "no int32values on " << toString(value);
auto requestId = getRequestId(value);
if (!requestId.ok()) {
ALOGE("Failed to get requestId on set(SWITCH_USER): %s",
requestId.error().message().c_str());
return requestId.error();
}
auto messageType = getSwitchUserMessageType(value);
if (!messageType.ok()) {
ALOGE("Failed to get messageType on set(SWITCH_USER): %s",
messageType.error().message().c_str());
return messageType.error();
}
if (value.areaId != 0) {
if (value.value.int32Values.size() >= 2 &&
static_cast<SwitchUserMessageType>(value.value.int32Values[1]) ==
SwitchUserMessageType::VEHICLE_REQUEST) {
if (*messageType == SwitchUserMessageType::VEHICLE_REQUEST) {
// User HAL can also request a user switch, so we need to check it first
ALOGD("set(SWITCH_USER) called from lshal to emulate a vehicle request: %s",
toString(value).c_str());
@ -170,48 +194,36 @@ android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetS
}
ALOGD("set(SWITCH_USER) called from Android: %s", toString(value).c_str());
int32_t requestId = value.value.int32Values[0];
if (mSwitchUserResponseFromCmd != nullptr) {
ALOGI("replying SWITCH_USER with lshal value: %s",
toString(*mSwitchUserResponseFromCmd).c_str());
return sendUserHalResponse(std::move(mSwitchUserResponseFromCmd), requestId);
return sendUserHalResponse(std::move(mSwitchUserResponseFromCmd), *requestId);
}
if (value.value.int32Values.size() > 1) {
auto messageType = static_cast<SwitchUserMessageType>(value.value.int32Values[1]);
switch (messageType) {
case SwitchUserMessageType::LEGACY_ANDROID_SWITCH:
ALOGI("request is LEGACY_ANDROID_SWITCH; ignoring it");
if (*messageType == SwitchUserMessageType::LEGACY_ANDROID_SWITCH ||
*messageType == SwitchUserMessageType::ANDROID_POST_SWITCH) {
ALOGI("request is %s; ignoring it", toString(*messageType).c_str());
return {};
case SwitchUserMessageType::ANDROID_POST_SWITCH:
ALOGI("request is ANDROID_POST_SWITCH; ignoring it");
return {};
default:
break;
}
}
// Returns default response
auto updatedValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue);
updatedValue->prop = SWITCH_USER;
updatedValue->timestamp = elapsedRealtimeNano();
updatedValue->value.int32Values.resize(3);
updatedValue->value.int32Values[0] = requestId;
updatedValue->value.int32Values[1] = (int32_t)SwitchUserMessageType::VEHICLE_RESPONSE;
updatedValue->value.int32Values[2] = (int32_t)SwitchUserStatus::SUCCESS;
auto updatedValue = user_hal_helper::toVehiclePropValue(SwitchUserResponse{
.requestId = *requestId,
.messageType = SwitchUserMessageType::VEHICLE_RESPONSE,
.status = SwitchUserStatus::SUCCESS,
});
ALOGI("no lshal response; replying with VEHICLE_RESPONSE / SUCCESS: %s",
toString(*updatedValue).c_str());
return updatedValue;
}
android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetCreateUserResponse(
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetCreateUserResponse(
const VehiclePropValue& value) {
if (value.value.int32Values.size() == 0) {
ALOGE("set(CREATE_USER): no int32values, ignoring it: %s", toString(value).c_str());
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "no int32values on " << toString(value);
auto requestId = getRequestId(value);
if (!requestId.ok()) {
ALOGE("Failed to get requestId on set(CREATE_USER): %s",
requestId.error().message().c_str());
return requestId.error();
}
if (value.areaId != 0) {
@ -221,33 +233,28 @@ android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetC
}
ALOGD("set(CREATE_USER) called from Android: %s", toString(value).c_str());
int32_t requestId = value.value.int32Values[0];
if (mCreateUserResponseFromCmd != nullptr) {
ALOGI("replying CREATE_USER with lshal value: %s",
toString(*mCreateUserResponseFromCmd).c_str());
return sendUserHalResponse(std::move(mCreateUserResponseFromCmd), requestId);
return sendUserHalResponse(std::move(mCreateUserResponseFromCmd), *requestId);
}
// Returns default response
auto updatedValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue);
updatedValue->prop = CREATE_USER;
updatedValue->timestamp = elapsedRealtimeNano();
updatedValue->value.int32Values.resize(2);
updatedValue->value.int32Values[0] = requestId;
updatedValue->value.int32Values[1] = (int32_t)CreateUserStatus::SUCCESS;
auto updatedValue = user_hal_helper::toVehiclePropValue(CreateUserResponse{
.requestId = *requestId,
.status = CreateUserStatus::SUCCESS,
});
ALOGI("no lshal response; replying with SUCCESS: %s", toString(*updatedValue).c_str());
return updatedValue;
}
android::base::Result<std::unique_ptr<VehiclePropValue>>
EmulatedUserHal::onSetUserIdentificationAssociation(const VehiclePropValue& value) {
if (value.value.int32Values.size() == 0) {
ALOGE("set(USER_IDENTIFICATION_ASSOCIATION): no int32values, ignoring it: %s",
toString(value).c_str());
return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
<< "no int32values on " << toString(value);
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onSetUserIdentificationAssociation(
const VehiclePropValue& value) {
auto requestId = getRequestId(value);
if (!requestId.ok()) {
ALOGE("Failed to get requestId on set(USER_IDENTIFICATION_ASSOCIATION): %s",
requestId.error().message().c_str());
return requestId.error();
}
if (value.areaId != 0) {
@ -258,28 +265,26 @@ EmulatedUserHal::onSetUserIdentificationAssociation(const VehiclePropValue& valu
}
ALOGD("set(USER_IDENTIFICATION_ASSOCIATION) called from Android: %s", toString(value).c_str());
int32_t requestId = value.value.int32Values[0];
if (mSetUserIdentificationAssociationResponseFromCmd != nullptr) {
ALOGI("replying USER_IDENTIFICATION_ASSOCIATION with lshal value: %s",
toString(*mSetUserIdentificationAssociationResponseFromCmd).c_str());
// Not moving response so it can be used on GET requests
auto copy = std::unique_ptr<VehiclePropValue>(
new VehiclePropValue(*mSetUserIdentificationAssociationResponseFromCmd));
return sendUserHalResponse(std::move(copy), requestId);
return sendUserHalResponse(std::move(copy), *requestId);
}
// Returns default response
return defaultUserIdentificationAssociation(value);
}
android::base::Result<std::unique_ptr<VehiclePropValue>>
EmulatedUserHal::defaultUserIdentificationAssociation(const VehiclePropValue& request) {
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::defaultUserIdentificationAssociation(
const VehiclePropValue& request) {
// TODO(b/159498909): return a response with NOT_ASSOCIATED_ANY_USER for all requested types
ALOGE("no lshal response for %s; replying with NOT_AVAILABLE", toString(request).c_str());
return android::base::Error(static_cast<int>(StatusCode::NOT_AVAILABLE)) << "not set by lshal";
return Error(static_cast<int>(StatusCode::NOT_AVAILABLE)) << "not set by lshal";
}
android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::sendUserHalResponse(
Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::sendUserHalResponse(
std::unique_ptr<VehiclePropValue> response, int32_t requestId) {
switch (response->areaId) {
case 1:
@ -293,17 +298,16 @@ android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::sendUs
case 3:
ALOGD("not generating a property change event because of lshal prop: %s",
toString(*response).c_str());
return android::base::Error(static_cast<int>(StatusCode::NOT_AVAILABLE))
return Error(static_cast<int>(StatusCode::NOT_AVAILABLE))
<< "not generating a property change event because of lshal prop: "
<< toString(*response);
default:
ALOGE("invalid action on lshal response: %s", toString(*response).c_str());
return android::base::Error(static_cast<int>(StatusCode::INTERNAL_ERROR))
return Error(static_cast<int>(StatusCode::INTERNAL_ERROR))
<< "invalid action on lshal response: " << toString(*response);
}
ALOGD("updating property to: %s", toString(*response).c_str());
return response;
}

35
automotive/vehicle/2.0/utils/UserHalHelper.cpp
View file

@ -36,22 +36,6 @@ static constexpr const char* kSeparator = "||";
static const size_t kNumFieldsPerUserInfo = 2;
static const size_t kNumFieldsPerSetAssociation = 2;
template <typename T>
Result<T> verifyAndCast(int32_t value) {
T castValue = static_cast<T>(value);
const auto iter = hidl_enum_range<T>();
if (castValue < *iter.begin() || castValue > *std::prev(iter.end())) {
return Error() << "Value " << value << " not in range [" << toString(*iter.begin()) << ", "
<< toString(*std::prev(iter.end())) << "]";
}
for (const auto& v : hidl_enum_range<T>()) {
if (castValue == v) {
return castValue;
}
}
return Error() << "Value " << value << " not in enum values";
}
Result<void> verifyPropValue(const VehiclePropValue& propValue, VehicleProperty vehicleProperty,
size_t minInt32Values) {
auto prop = verifyAndCast<VehicleProperty>(propValue.prop);
@ -154,6 +138,22 @@ Result<void> parseUserAssociations(const hidl_vec<int32_t>& int32Values, size_t
} // namespace
template <typename T>
Result<T> verifyAndCast(int32_t value) {
T castValue = static_cast<T>(value);
const auto iter = hidl_enum_range<T>();
if (castValue < *iter.begin() || castValue > *std::prev(iter.end())) {
return Error() << "Value " << value << " not in range [" << toString(*iter.begin()) << ", "
<< toString(*std::prev(iter.end())) << "]";
}
for (const auto& v : hidl_enum_range<T>()) {
if (castValue == v) {
return castValue;
}
}
return Error() << "Value " << value << " not in enum values";
}
Result<InitialUserInfoRequest> toInitialUserInfoRequest(const VehiclePropValue& propValue) {
auto ret = verifyPropValue(propValue, VehicleProperty::INITIAL_USER_INFO, 2);
if (!ret.ok()) {
@ -186,7 +186,8 @@ Result<SwitchUserRequest> toSwitchUserRequest(const VehiclePropValue& propValue)
if (*messageType != SwitchUserMessageType::LEGACY_ANDROID_SWITCH &&
*messageType != SwitchUserMessageType::ANDROID_SWITCH &&
*messageType != SwitchUserMessageType::ANDROID_POST_SWITCH) {
return Error() << "Invalid " << toString(*messageType) << " from Android System";
return Error() << "Invalid " << toString(*messageType)
<< " message type from Android System";
}
request.requestId = propValue.value.int32Values[0];
request.messageType = *messageType;

5
automotive/vehicle/2.0/utils/UserHalHelper.h
View file

@ -31,6 +31,11 @@ namespace V2_0 {
namespace user_hal_helper {
// Verify whether the |value| can be casted to the type |T| and return the casted value on success.
// Otherwise, return the error.
template <typename T>
android::base::Result<T> verifyAndCast(int32_t value);
// Below functions parse VehiclePropValues to the respective User HAL request structs. On success,
// these functions return the User HAL struct. Otherwise, they return the error.
android::base::Result<InitialUserInfoRequest> toInitialUserInfoRequest(