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/*
* Copyright (C) 2015 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.
*/
#define LOG_TAG "VehicleNetworkListener"
#include <memory>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <VehicleNetworkProto.pb.h>
#include <IVehicleNetworkListener.h>
#include "VehicleNetworkProtoUtil.h"
namespace android {
enum {
ON_EVENTS = IBinder::FIRST_CALL_TRANSACTION,
ON_HAL_ERROR,
ON_HAL_RESTART,
};
class BpVehicleNetworkListener : public BpInterface<IVehicleNetworkListener>
{
public:
BpVehicleNetworkListener(const sp<IBinder> & impl)
: BpInterface<IVehicleNetworkListener>(impl) {
}
virtual void onEvents(sp<VehiclePropValueListHolder>& events) {
Parcel data, reply;
data.writeInterfaceToken(IVehicleNetworkListener::getInterfaceDescriptor());
std::unique_ptr<VehiclePropValues> values(new VehiclePropValues());
ASSERT_OR_HANDLE_NO_MEMORY(values.get(), return NO_MEMORY);
status_t r = VehicleNetworkProtoUtil::toVehiclePropValues(events->getList(), *values.get());
if (r != NO_ERROR) {
ALOGE("onEvents: toVehiclePropValues failed %d", r);
return;
}
data.writeInt32(1); // for java compatibility
WritableBlobHolder blob(new Parcel::WritableBlob());
int size = values->ByteSize();
data.writeInt32(size);
data.writeBlob(size, false, blob.blob);
values->SerializeToArray(blob.blob->data(), size);
remote()->transact(ON_EVENTS, data, &reply);
}
virtual void onHalError(int32_t errorCode, int32_t property, int32_t operation) {
Parcel data, reply;
data.writeInterfaceToken(IVehicleNetworkListener::getInterfaceDescriptor());
data.writeInt32(errorCode);
data.writeInt32(property);
data.writeInt32(operation);
remote()->transact(ON_HAL_ERROR, data, &reply);
}
virtual void onHalRestart(bool inMocking) {
Parcel data, reply;
data.writeInterfaceToken(IVehicleNetworkListener::getInterfaceDescriptor());
data.writeInt32(inMocking ? 1 : 0);
remote()->transact(ON_HAL_RESTART, data, &reply);
}
};
IMPLEMENT_META_INTERFACE(VehicleNetworkListener, "com.android.car.vehiclenetwork.IVehicleNetworkListener");
// ----------------------------------------------------------------------
status_t BnVehicleNetworkListener::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
uint32_t flags) {
status_t r;
switch (code) {
case ON_EVENTS: {
CHECK_INTERFACE(IVehicleNetworkListener, data, reply);
if (data.readInt32() == 0) { // java side allows passing null with this.
return BAD_VALUE;
}
List<vehicle_prop_value_t*>* list = new List<vehicle_prop_value_t*>();
ASSERT_OR_HANDLE_NO_MEMORY(list, return NO_MEMORY);
sp<VehiclePropValueListHolder> holder(new VehiclePropValueListHolder(list));
ASSERT_OR_HANDLE_NO_MEMORY(holder.get(), return NO_MEMORY);
ReadableBlobHolder blob(new Parcel::ReadableBlob());
ASSERT_OR_HANDLE_NO_MEMORY(blob.blob, return NO_MEMORY);
int32_t size = data.readInt32();
r = data.readBlob(size, blob.blob);
if (r != NO_ERROR) {
ALOGE("onEvents: cannot read blob");
return r;
}
std::unique_ptr<VehiclePropValues> v(new VehiclePropValues());
ASSERT_OR_HANDLE_NO_MEMORY(v.get(), return NO_MEMORY);
if (!v->ParseFromArray(blob.blob->data(), size)) {
ALOGE("onEvents: cannot parse data");
return BAD_VALUE;
}
r = VehicleNetworkProtoUtil::fromVehiclePropValues(*v.get(), *list);
if (r != NO_ERROR) {
ALOGE("onEvents: cannot convert data");
return BAD_VALUE;
}
onEvents(holder);
return NO_ERROR;
} break;
case ON_HAL_ERROR: {
CHECK_INTERFACE(IVehicleNetworkListener, data, reply);
int32_t errorCode = data.readInt32();
int32_t property = data.readInt32();
int32_t operation = data.readInt32();
onHalError(errorCode, property, operation);
return NO_ERROR;
} break;
case ON_HAL_RESTART: {
CHECK_INTERFACE(IVehicleNetworkListener, data, reply);
bool inMocking = (data.readInt32() == 1);
onHalRestart(inMocking);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
}; // namespace android
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