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https://github.com/kidfromjupiter/nearby.git
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105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
// Copyright 2023 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_LINUX_WIFI_DIRECT_H_
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#define PLATFORM_IMPL_LINUX_WIFI_DIRECT_H_
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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <string>
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#include <sdbus-c++/IConnection.h>
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#include <sdbus-c++/ProxyInterfaces.h>
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#include "absl/base/thread_annotations.h"
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#include "absl/synchronization/mutex.h"
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#include "internal/platform/implementation/linux/generated/dbus/networkmanager/device_wifip2p_client.h"
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#include "internal/platform/implementation/linux/network_manager.h"
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#include "internal/platform/implementation/linux/wifi_direct_utils.h"
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#include "internal/platform/implementation/wifi_direct.h"
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namespace nearby {
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namespace linux {
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class NetworkManagerWifiDirectMedium
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: public api::WifiDirectMedium,
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public sdbus::ProxyInterfaces<
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org::freedesktop::NetworkManager::Device::WifiP2P_proxy> {
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public:
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NetworkManagerWifiDirectMedium(
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std::shared_ptr<networkmanager::NetworkManager> network_manager,
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const sdbus::ObjectPath& wifi_p2p_device_path)
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: ProxyInterfaces(*network_manager->GetConnection(),
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sdbus::ServiceName("org.freedesktop.NetworkManager"),
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wifi_p2p_device_path),
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system_bus_(network_manager->GetConnection()),
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network_manager_(std::move(network_manager)),
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wifi_p2p_device_path_(wifi_p2p_device_path) {
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registerProxy();
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}
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~NetworkManagerWifiDirectMedium() override;
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bool IsInterfaceValid() const override {
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return !wifi_p2p_device_path_.empty();
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}
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std::unique_ptr<api::WifiDirectSocket> ConnectToService(
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absl::string_view ip_address, int port,
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CancellationFlag* cancellation_flag) override;
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std::unique_ptr<api::WifiDirectServerSocket> ListenForService(
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int port) override;
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bool ConnectWifiDirect(
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const WifiDirectCredentials& wifi_direct_credentials) override;
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bool DisconnectWifiDirect() override;
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bool StartWifiDirect(WifiDirectCredentials* wifi_direct_credentials) override;
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bool StopWifiDirect() override;
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std::optional<std::pair<std::int32_t, std::int32_t>> GetDynamicPortRange()
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override {
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return std::nullopt;
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}
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std::vector<WifiDirectAuthType> GetSupportedWifiDirectAuthTypes()
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const override {
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return {WifiDirectAuthType::WIFI_DIRECT_WITH_DEVICE_NAME};
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}
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protected:
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void onPeerAdded(const sdbus::ObjectPath& peer) override;
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void onPeerRemoved(const sdbus::ObjectPath& peer) override;
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private:
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using Peer = wifi_direct_internal::PeerInfo;
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std::optional<Peer> FindPeerByName(absl::string_view device_name);
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bool ActivatePeer(const Peer& peer);
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void StopDiscovery();
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std::shared_ptr<sdbus::IConnection> system_bus_;
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std::shared_ptr<networkmanager::NetworkManager> network_manager_;
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sdbus::ObjectPath wifi_p2p_device_path_;
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mutable absl::Mutex state_mutex_;
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bool discovering_ ABSL_GUARDED_BY(state_mutex_) = false;
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bool connected_ ABSL_GUARDED_BY(state_mutex_) = false;
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std::string active_connection_path_ ABSL_GUARDED_BY(state_mutex_);
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std::string local_ip_address_ ABSL_GUARDED_BY(state_mutex_);
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std::string remote_ip_address_ ABSL_GUARDED_BY(state_mutex_);
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absl::CondVar peer_changed_;
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};
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} // namespace linux
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} // namespace nearby
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#endif
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