mirror of
https://github.com/kidfromjupiter/nearby.git
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88 lines
2.9 KiB
C++
88 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 PLATFORM_IMPL_WINDOWS_WIFI_HOTSPOT_SERVER_SOCKET_H_
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#define PLATFORM_IMPL_WINDOWS_WIFI_HOTSPOT_SERVER_SOCKET_H_
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// Windows headers
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#include <windows.h>
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#include <winsock2.h>
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#include <wlanapi.h>
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// Standard C/C++ headers
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#include <cstddef>
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#include <cstdint>
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#include <exception>
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#include <memory>
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#include <string>
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#include <utility>
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// Nearby connections headers
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#include "absl/base/thread_annotations.h"
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#include "absl/functional/any_invocable.h"
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#include "absl/synchronization/mutex.h"
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#include "internal/platform/cancellation_flag.h"
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#include "internal/platform/exception.h"
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#include "internal/platform/implementation/wifi_hotspot.h"
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#include "internal/platform/implementation/windows/nearby_server_socket.h"
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#include "internal/platform/wifi_credential.h"
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namespace nearby::windows {
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// WifiHotspotServerSocket provides the support to server socket, this server
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// socket accepts connection from clients.
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class WifiHotspotServerSocket : public api::WifiHotspotServerSocket {
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public:
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WifiHotspotServerSocket() = default;
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WifiHotspotServerSocket(WifiHotspotServerSocket&&) = default;
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~WifiHotspotServerSocket() override = default;
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WifiHotspotServerSocket& operator=(WifiHotspotServerSocket&&) = default;
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int GetPort() const override { return server_socket_.GetPort(); }
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// Blocks until either:
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// - at least one incoming connection request is available, or
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// - ServerSocket is closed.
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// On success, returns connected socket, ready to exchange data.
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// Returns nullptr on error.
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// Once error is reported, it is permanent, and ServerSocket has to be closed.
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std::unique_ptr<api::WifiHotspotSocket> Accept() override;
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// Called by the server side of a connection before passing ownership of
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// WifiHotspotServerSocker to user, to track validity of a pointer to this
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// server socket.
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void SetCloseNotifier(absl::AnyInvocable<void()> notifier) {
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server_socket_.SetCloseNotifier(std::move(notifier));
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}
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// Returns Exception::kIo on error, Exception::kSuccess otherwise.
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Exception Close() override {
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server_socket_.Close();
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return {Exception::kSuccess};
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}
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void PopulateHotspotCredentials(
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HotspotCredentials& hotspot_credentials) override;
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// Binds to local port
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bool Listen(int port);
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private:
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NearbyServerSocket server_socket_;
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};
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} // namespace nearby::windows
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#endif // PLATFORM_IMPL_WINDOWS_WIFI_HOTSPOT_SERVER_SOCKET_H_
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