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https://github.com/kidfromjupiter/nearby.git
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nohle
dee3e9cfb4
Consolidate BWU service ID bookkeeping into the BaseBwuHandler class. This eliminates duplicated code in per-medium BWU handlers and allows us to easily augment the bookkeeping with endpoint IDs in a subsequent CL. Also, localize all service ID wrapping to the BaseBwuHandler class. A postfix is appended to the service ID during bandwidth upgrade, e.g., "NearbyShare_INITIATOR_BWU"; this is done to distinguish a medium's use for advertising/discovery vs. its use for device-to-device connections. This CL should theoretically be a no-op, but per-medium BWU handlers were inconsistent in their implementations. PiperOrigin-RevId: 442019603
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
// Copyright 2020 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_WEBRTC_BWU_HANDLER_H_
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#define CORE_INTERNAL_WEBRTC_BWU_HANDLER_H_
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#include <string>
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#include "connections/implementation/base_bwu_handler.h"
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#include "connections/implementation/client_proxy.h"
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#include "connections/implementation/endpoint_channel_manager.h"
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#include "connections/implementation/mediums/mediums.h"
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#ifdef NO_WEBRTC
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#include "connections/implementation/mediums/webrtc_socket_stub.h"
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#else
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#include "connections/implementation/mediums/webrtc_socket.h"
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#endif
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namespace location {
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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 WebrtcBwuHandler : public BaseBwuHandler {
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public:
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explicit WebrtcBwuHandler(Mediums& mediums, BwuNotifications notifications);
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private:
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class WebrtcIncomingSocket : public BwuHandler::IncomingSocket {
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public:
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explicit WebrtcIncomingSocket(const std::string& name,
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mediums::WebRtcSocketWrapper socket);
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std::string ToString() override;
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void Close() override;
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private:
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std::string name_;
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mediums::WebRtcSocketWrapper socket_;
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};
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// BwuHandler implementation:
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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 UpgradePathInfo& upgrade_path_info) final;
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Medium GetUpgradeMedium() const final { return Medium::WEB_RTC; }
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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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ByteArray 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 OnIncomingWebrtcConnection(ClientProxy* client,
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const std::string& upgrade_service_id,
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mediums::WebRtcSocketWrapper socket);
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Mediums& mediums_;
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mediums::WebRtc& webrtc_{mediums_.GetWebRtc()};
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};
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} // namespace connections
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} // namespace nearby
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} // namespace location
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#endif // CORE_INTERNAL_WEBRTC_BWU_HANDLER_H_
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