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/*
* Copyright 2018 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.
*/
#pragma once
#include <chrono>
#include <cstdint>
#include "hci/address_with_type.h"
#include "phy.h"
namespace rootcanal {
using ::bluetooth::hci::AddressWithType;
// Model the connection of a device to the controller.
class AclConnection {
public:
AclConnection(AddressWithType address, AddressWithType own_address,
AddressWithType resolved_address, Phy::Type phy_type,
bluetooth::hci::Role role);
virtual ~AclConnection() = default;
void Encrypt();
bool IsEncrypted() const;
AddressWithType GetAddress() const;
void SetAddress(AddressWithType address);
AddressWithType GetOwnAddress() const;
void SetOwnAddress(AddressWithType address);
AddressWithType GetResolvedAddress() const;
Phy::Type GetPhyType() const;
uint16_t GetLinkPolicySettings() const;
void SetLinkPolicySettings(uint16_t settings);
bluetooth::hci::Role GetRole() const;
void SetRole(bluetooth::hci::Role role);
void ResetLinkTimer();
std::chrono::steady_clock::duration TimeUntilNearExpiring() const;
bool IsNearExpiring() const;
std::chrono::steady_clock::duration TimeUntilExpired() const;
bool HasExpired() const;
private:
AddressWithType address_;
AddressWithType own_address_;
AddressWithType resolved_address_;
Phy::Type type_{Phy::Type::BR_EDR};
// State variables
bool encrypted_{false};
uint16_t link_policy_settings_{0};
bluetooth::hci::Role role_{bluetooth::hci::Role::CENTRAL};
std::chrono::steady_clock::time_point last_packet_timestamp_;
std::chrono::steady_clock::duration timeout_;
};
} // namespace rootcanal
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