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nearby/connections/implementation/bluetooth_bwu_handler.h
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2023-01-06 02:53:57 -08:00

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// Copyright 2020 Google LLC
//
// 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
//
// https://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 CORE_INTERNAL_BLUETOOTH_BWU_HANDLER_H_
#define CORE_INTERNAL_BLUETOOTH_BWU_HANDLER_H_
#include <string>
#include "connections/implementation/base_bwu_handler.h"
#include "connections/implementation/client_proxy.h"
#include "connections/implementation/mediums/mediums.h"
#include "connections/implementation/mediums/utils.h"
#include "internal/platform/bluetooth_classic.h"
#include "internal/platform/count_down_latch.h"
namespace nearby {
namespace connections {
// Defines the set of methods that need to be implemented to handle the
// per-Medium-specific operations needed to upgrade an EndpointChannel.
class BluetoothBwuHandler : public BaseBwuHandler {
public:
explicit BluetoothBwuHandler(Mediums& mediums,
BwuNotifications notifications);
private:
class BluetoothIncomingSocket : public IncomingSocket {
public:
explicit BluetoothIncomingSocket(const std::string& name,
BluetoothSocket socket)
: name_(name), socket_(socket) {}
std::string ToString() override { return name_; }
void Close() override { socket_.Close(); }
private:
std::string name_;
BluetoothSocket socket_;
};
// BwuHandler implementation:
std::unique_ptr<EndpointChannel> CreateUpgradedEndpointChannel(
ClientProxy* client, const std::string& service_id,
const std::string& endpoint_id,
const UpgradePathInfo& upgrade_path_info) final;
Medium GetUpgradeMedium() const final { return Medium::BLUETOOTH; }
void OnEndpointDisconnect(ClientProxy* client,
const std::string& endpoint_id) final {}
// BaseBwuHandler implementation:
ByteArray HandleInitializeUpgradedMediumForEndpoint(
ClientProxy* client, const std::string& upgrade_service_id,
const std::string& endpoint_id) final;
void HandleRevertInitiatorStateForService(
const std::string& upgrade_service_id) final;
void OnIncomingBluetoothConnection(ClientProxy* client,
const std::string& upgrade_service_id,
BluetoothSocket socket);
Mediums& mediums_;
BluetoothRadio& bluetooth_radio_{mediums_.GetBluetoothRadio()};
BluetoothClassic& bluetooth_medium_{mediums_.GetBluetoothClassic()};
};
} // namespace connections
} // namespace nearby
#endif // CORE_INTERNAL_BLUETOOTH_BWU_HANDLER_H_