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/*
* Copyright (C) 2019 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_IFACE_UTIL_H_
#define WIFI_IFACE_UTIL_H_
#include <wifi_system/interface_tool.h>
#include <android/hardware/wifi/1.0/IWifi.h>
namespace android {
namespace hardware {
namespace wifi {
namespace V1_3 {
namespace implementation {
namespace iface_util {
// Iface event handlers.
struct IfaceEventHandlers {
// Callback to be invoked when the iface is set down & up for MAC address
// change.
std::function<void(const std::string& iface_name)> on_state_toggle_off_on;
};
/**
* Util class for common iface operations.
*/
class WifiIfaceUtil {
public:
WifiIfaceUtil(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool);
virtual ~WifiIfaceUtil() = default;
virtual std::array<uint8_t, 6> getFactoryMacAddress(
const std::string& iface_name);
virtual bool setMacAddress(const std::string& iface_name,
const std::array<uint8_t, 6>& mac);
// Get or create a random MAC address. The MAC address returned from
// this method will remain the same throughout the lifetime of the HAL
// daemon. (So, changes on every reboot)
virtual std::array<uint8_t, 6> getOrCreateRandomMacAddress();
// Register for any iface event callbacks for the provided interface.
virtual void registerIfaceEventHandlers(const std::string& iface_name,
IfaceEventHandlers handlers);
virtual void unregisterIfaceEventHandlers(const std::string& iface_name);
private:
std::array<uint8_t, 6> createRandomMacAddress();
std::weak_ptr<wifi_system::InterfaceTool> iface_tool_;
std::unique_ptr<std::array<uint8_t, 6>> random_mac_address_;
std::map<std::string, IfaceEventHandlers> event_handlers_map_;
};
} // namespace iface_util
} // namespace implementation
} // namespace V1_3
} // namespace wifi
} // namespace hardware
} // namespace android
#endif // WIFI_IFACE_UTIL_H_
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