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/*
* Copyright (C) 2016 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.
*/
#ifndef WIFI_H_
#define WIFI_H_
// HACK: NAN is a macro defined in math.h, which can be included in various
// headers. This wifi HAL uses an enum called NAN, which does not compile when
// the macro is defined. Undefine NAN to work around it.
#undef NAN
#include <android/hardware/wifi/1.6/IWifi.h>
#include <android-base/macros.h>
#include <utils/Looper.h>
#include <functional>
#include "hidl_callback_util.h"
#include "wifi_chip.h"
#include "wifi_feature_flags.h"
#include "wifi_legacy_hal.h"
#include "wifi_legacy_hal_factory.h"
#include "wifi_mode_controller.h"
namespace android {
namespace hardware {
namespace wifi {
namespace V1_6 {
namespace implementation {
/**
* Root HIDL interface object used to control the Wifi HAL.
*/
class Wifi : public V1_6::IWifi {
public:
Wifi(const std::shared_ptr<wifi_system::InterfaceTool> iface_tool,
const std::shared_ptr<legacy_hal::WifiLegacyHalFactory> legacy_hal_factory,
const std::shared_ptr<mode_controller::WifiModeController> mode_controller,
const std::shared_ptr<feature_flags::WifiFeatureFlags> feature_flags);
bool isValid();
// HIDL methods exposed.
Return<void> registerEventCallback(const sp<V1_0::IWifiEventCallback>& event_callback,
registerEventCallback_cb hidl_status_cb) override;
Return<void> registerEventCallback_1_5(const sp<V1_5::IWifiEventCallback>& event_callback,
registerEventCallback_1_5_cb hidl_status_cb) override;
Return<bool> isStarted() override;
Return<void> start(start_cb hidl_status_cb) override;
Return<void> stop(stop_cb hidl_status_cb) override;
Return<void> getChipIds(getChipIds_cb hidl_status_cb) override;
Return<void> getChip(ChipId chip_id, getChip_cb hidl_status_cb) override;
Return<void> debug(const hidl_handle& handle, const hidl_vec<hidl_string>& options) override;
private:
enum class RunState { STOPPED, STARTED, STOPPING };
// Corresponding worker functions for the HIDL methods.
WifiStatus registerEventCallbackInternal(
const sp<V1_0::IWifiEventCallback>& event_callback __unused);
WifiStatus registerEventCallbackInternal_1_5(
const sp<V1_5::IWifiEventCallback>& event_callback);
WifiStatus startInternal();
WifiStatus stopInternal(std::unique_lock<std::recursive_mutex>* lock);
std::pair<WifiStatus, std::vector<ChipId>> getChipIdsInternal();
std::pair<WifiStatus, sp<V1_4::IWifiChip>> getChipInternal(ChipId chip_id);
WifiStatus initializeModeControllerAndLegacyHal();
WifiStatus stopLegacyHalAndDeinitializeModeController(
std::unique_lock<std::recursive_mutex>* lock);
ChipId getChipIdFromWifiChip(sp<WifiChip>& chip);
// Instance is created in this root level |IWifi| HIDL interface object
// and shared with all the child HIDL interface objects.
std::shared_ptr<wifi_system::InterfaceTool> iface_tool_;
std::shared_ptr<legacy_hal::WifiLegacyHalFactory> legacy_hal_factory_;
std::shared_ptr<mode_controller::WifiModeController> mode_controller_;
std::vector<std::shared_ptr<legacy_hal::WifiLegacyHal>> legacy_hals_;
std::shared_ptr<feature_flags::WifiFeatureFlags> feature_flags_;
RunState run_state_;
std::vector<sp<WifiChip>> chips_;
hidl_callback_util::HidlCallbackHandler<V1_5::IWifiEventCallback> event_cb_handler_;
DISALLOW_COPY_AND_ASSIGN(Wifi);
};
} // namespace implementation
} // namespace V1_6
} // namespace wifi
} // namespace hardware
} // namespace android
#endif // WIFI_H_
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