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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_COMPONENTS_SENSORS_FAKE_SENSOR_DEVICE_H_
#define CHROMEOS_COMPONENTS_SENSORS_FAKE_SENSOR_DEVICE_H_
#include <map>
#include <optional>
#include <string>
#include <vector>
#include "base/component_export.h"
#include "base/sequence_checker.h"
#include "chromeos/components/sensors/mojom/sensor.mojom.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace chromeos {
namespace sensors {
class FakeSensorDevice final : public mojom::SensorDevice {
public:
struct ChannelData {
ChannelData();
ChannelData(const ChannelData&);
ChannelData& operator=(const ChannelData&);
~ChannelData();
std::string id;
std::map<std::string, std::string> attrs;
int64_t sample_data;
};
explicit FakeSensorDevice(const std::vector<ChannelData>& channels);
FakeSensorDevice(const FakeSensorDevice&) = delete;
FakeSensorDevice& operator=(const FakeSensorDevice&) = delete;
~FakeSensorDevice() override;
mojo::ReceiverId AddReceiver(
mojo::PendingReceiver<mojom::SensorDevice> pending_receiver);
void RemoveReceiver(mojo::ReceiverId id);
void RemoveReceiverWithReason(mojo::ReceiverId id,
mojom::SensorDeviceDisconnectReason reason,
const std::string& description);
void ClearReceivers();
void ClearReceiversWithReason(mojom::SensorDeviceDisconnectReason reason,
const std::string& description);
bool HasReceivers() const;
size_t SizeOfReceivers() const;
void SetAttribute(const std::string& attr_name,
const std::string& attr_value);
void ResetObserverRemote(mojo::ReceiverId id);
void ResetObserverRemoteWithReason(mojo::ReceiverId id,
mojom::SensorDeviceDisconnectReason reason,
const std::string& description);
// Unlike SetChannelsEnabled() below, SetChannelsEnabledWithId() is used
// without a mojo pipe, instead, with the mojo::ReceiverId from AddReceiver().
// It lets the tests manually enable or disable channels to simulate some
// unexpected behaviors of iioservice, such as channels being unavailable
// suddenly.
void SetChannelsEnabledWithId(mojo::ReceiverId id,
const std::vector<int32_t>& iio_chn_indices,
bool en);
// Implementation of mojom::SensorDevice.
void SetTimeout(uint32_t timeout) override {}
void GetAttributes(const std::vector<std::string>& attr_names,
GetAttributesCallback callback) override;
void SetFrequency(double frequency, SetFrequencyCallback callback) override;
void StartReadingSamples(
mojo::PendingRemote<mojom::SensorDeviceSamplesObserver> observer)
override;
void StopReadingSamples() override;
void GetAllChannelIds(GetAllChannelIdsCallback callback) override;
void SetChannelsEnabled(const std::vector<int32_t>& iio_chn_indices,
bool en,
SetChannelsEnabledCallback callback) override;
void GetChannelsEnabled(const std::vector<int32_t>& iio_chn_indices,
GetChannelsEnabledCallback callback) override;
void GetChannelsAttributes(const std::vector<int32_t>& iio_chn_indices,
const std::string& attr_name,
GetChannelsAttributesCallback callback) override;
private:
struct ClientData {
ClientData();
~ClientData();
std::optional<double> frequency;
std::vector<bool> channels_enabled;
mojo::Remote<mojom::SensorDeviceSamplesObserver> observer;
};
void SendSampleIfReady(ClientData& client);
std::map<std::string, std::string> attributes_;
const std::vector<ChannelData> channels_;
mojo::ReceiverSet<mojom::SensorDevice> receiver_set_;
// First is the client's id from |receiver_set_|, second is the client's
// states and observer remote.
std::map<mojo::ReceiverId, ClientData> clients_;
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace sensors
} // namespace chromeos
#endif // CHROMEOS_COMPONENTS_SENSORS_FAKE_SENSOR_DEVICE_H_
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