mirror of
https://github.com/kidfromjupiter/nearby.git
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97 lines
3.8 KiB
C++
97 lines
3.8 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_WIFI_DIRECT_BWU_HANDLER_H_
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#define CORE_INTERNAL_WIFI_DIRECT_BWU_HANDLER_H_
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#include <memory>
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#include <string>
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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/mediums.h"
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#include "connections/implementation/mediums/wifi_direct.h"
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#include "internal/platform/byte_array.h"
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#include "internal/platform/expected.h"
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#include "internal/platform/wifi_direct.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 WifiDirectBwuHandler : public BaseBwuHandler {
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public:
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explicit WifiDirectBwuHandler(
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Mediums& mediums,
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IncomingConnectionCallback incoming_connection_callback);
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private:
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class WifiDirectIncomingSocket : public BwuHandler::IncomingSocket {
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public:
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explicit WifiDirectIncomingSocket(const std::string& name,
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WifiDirectSocket 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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WifiDirectSocket socket_;
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};
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// Called by BWU target. Retrieves a new medium info from incoming message,
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// Windows doesn't support WIFIDirect as GC because phone side uses simplified
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// WFD protocol to established connection while WINRT follow the standard WFD
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// spec to achieve the connection. So return fail to stop the upgrade request
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// from phone side.
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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) final;
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location::nearby::proto::connections::Medium GetUpgradeMedium() const final {
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return location::nearby::proto::connections::Medium::WIFI_DIRECT;
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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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// Called by BWU initiator. Set up WifiDirect upgraded medium for this
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// endpoint, and returns a upgrade path info (SSID, Password, Gateway used as
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// IPAddress, Port) for remote party to perform connection.
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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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// Revert the upgrade when the procedure fails or disconnection is called.
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void HandleRevertInitiatorStateForService(
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const std::string& upgrade_service_id) final;
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// Accept Connection Callback.
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void OnIncomingWifiDirectConnection(ClientProxy* client,
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const std::string& upgrade_service_id,
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WifiDirectSocket socket);
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Mediums& mediums_;
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WifiDirect& wifi_direct_medium_ = mediums_.GetWifiDirect();
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};
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} // namespace connections
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} // namespace nearby
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#endif // CORE_INTERNAL_WIFI_DIRECT_BWU_HANDLER_H_
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