mirror of
https://github.com/kidfromjupiter/nearby.git
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93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CORE_INTERNAL_AWDL_BWU_HANDLER_H_
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#define CORE_INTERNAL_AWDL_BWU_HANDLER_H_
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#include <memory>
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#include <string>
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#include <utility>
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#include "connections/implementation/base_bwu_handler.h"
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#include "connections/implementation/bwu_handler.h"
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#include "connections/implementation/client_proxy.h"
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#include "connections/implementation/endpoint_channel.h"
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#include "connections/implementation/mediums/awdl.h"
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#include "connections/implementation/mediums/mediums.h"
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#include "internal/platform/awdl.h"
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#include "internal/platform/expected.h"
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#include "internal/platform/nsd_service_info.h"
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namespace nearby {
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namespace connections {
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// Defines the set of methods that need to be implemented to handle the
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// per-Medium-specific operations needed to upgrade an EndpointChannel.
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class AwdlBwuHandler : public BaseBwuHandler {
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public:
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explicit AwdlBwuHandler(
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Mediums& mediums,
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IncomingConnectionCallback incoming_connection_callback);
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private:
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class AwdlIncomingSocket : public BwuHandler::IncomingSocket {
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public:
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explicit AwdlIncomingSocket(const std::string& name, AwdlSocket socket)
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: name_(name), socket_(socket) {}
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std::string ToString() override { return name_; }
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void Close() override { socket_.Close(); }
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private:
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std::string name_;
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AwdlSocket socket_;
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};
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// BwuHandler implementation:
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ErrorOr<std::unique_ptr<EndpointChannel>> CreateUpgradedEndpointChannel(
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ClientProxy* client, const std::string& service_id,
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const std::string& endpoint_id,
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const location::nearby::connections::BandwidthUpgradeNegotiationFrame::
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UpgradePathInfo& upgrade_path_info) override;
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location::nearby::proto::connections::Medium GetUpgradeMedium() const final {
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return location::nearby::proto::connections::Medium::AWDL;
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}
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void OnEndpointDisconnect(ClientProxy* client,
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const std::string& endpoint_id) final {}
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// BaseBwuHandler implementation:
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std::string HandleInitializeUpgradedMediumForEndpoint(
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ClientProxy* client, const std::string& upgrade_service_id,
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const std::string& endpoint_id) final;
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void HandleRevertInitiatorStateForService(
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const std::string& upgrade_service_id) final;
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void OnIncomingAwdlConnection(ClientProxy* client,
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const std::string& upgrade_service_id,
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AwdlSocket socket);
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std::string GenerateServiceType(const std::string& service_id);
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std::string GenerateServiceName();
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std::string GeneratePassword();
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Mediums& mediums_;
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Awdl& awdl_medium_{mediums_.GetAwdl()};
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NsdServiceInfo nsd_service_info_;
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};
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} // namespace connections
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} // namespace nearby
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#endif // CORE_INTERNAL_AWDL_BWU_HANDLER_H_
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