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// Copyright 2017 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_ASH_COMPONENTS_TETHER_NETWORK_HOST_SCAN_CACHE_H_
#define CHROMEOS_ASH_COMPONENTS_TETHER_NETWORK_HOST_SCAN_CACHE_H_
#include <memory>
#include <string>
#include <unordered_set>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/tether/host_scan_cache.h"
#include "chromeos/ash/components/tether/tether_host_response_recorder.h"
namespace ash {
class NetworkStateHandler;
namespace tether {
class DeviceIdTetherNetworkGuidMap;
class TetherHostResponseRecorder;
// HostScanCache implementation which stores scan results in the networking
// stack.
class NetworkHostScanCache : public HostScanCache,
public TetherHostResponseRecorder::Observer {
public:
NetworkHostScanCache(
NetworkStateHandler* network_state_handler,
TetherHostResponseRecorder* tether_host_response_recorder,
DeviceIdTetherNetworkGuidMap* device_id_tether_network_guid_map);
NetworkHostScanCache(const NetworkHostScanCache&) = delete;
NetworkHostScanCache& operator=(const NetworkHostScanCache&) = delete;
~NetworkHostScanCache() override;
// HostScanCache:
void SetHostScanResult(const HostScanCacheEntry& entry) override;
bool ExistsInCache(const std::string& tether_network_guid) override;
std::unordered_set<std::string> GetTetherGuidsInCache() override;
bool DoesHostRequireSetup(const std::string& tether_network_guid) override;
// TetherHostResponseRecorder::Observer:
void OnPreviouslyConnectedHostIdsChanged() override;
protected:
bool RemoveHostScanResultImpl(
const std::string& tether_network_guid) override;
private:
friend class NetworkHostScanCacheTest;
bool HasConnectedToHost(const std::string& tether_network_guid);
raw_ptr<NetworkStateHandler> network_state_handler_;
raw_ptr<TetherHostResponseRecorder> tether_host_response_recorder_;
raw_ptr<DeviceIdTetherNetworkGuidMap> device_id_tether_network_guid_map_;
};
} // namespace tether
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_TETHER_NETWORK_HOST_SCAN_CACHE_H_
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