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https://github.com/kidfromjupiter/nearby.git
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105 lines
3.9 KiB
C++
105 lines
3.9 KiB
C++
// Copyright 2024 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 THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_WIFI_HOTSPOT_NATIVE_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_WIFI_HOTSPOT_NATIVE_H_
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// clang-format off
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#include <stdbool.h>
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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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// clang-format on
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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 "absl/base/nullability.h"
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#include "absl/base/thread_annotations.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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#include "absl/synchronization/notification.h"
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#include "internal/platform/implementation/windows/network_info.h"
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#include "internal/platform/implementation/windows/wlan_client.h"
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namespace nearby::windows {
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class WifiHotspotNative {
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public:
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WifiHotspotNative();
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~WifiHotspotNative();
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bool ConnectToWifiNetwork(absl::string_view ssid, absl::string_view password)
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ABSL_LOCKS_EXCLUDED(mutex_);
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bool DisconnectWifiNetwork() ABSL_LOCKS_EXCLUDED(mutex_);
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bool RestoreWifiProfile() ABSL_LOCKS_EXCLUDED(mutex_);
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// Returns true if the interface has required IP address assigned.
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// If `include_ipv6` is false, check for non local scoped IPv4 address only.
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// Otherwise, check for any IPv6 address or non local scoped IPv4 address.
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bool HasAssignedAddress(bool include_ipv6);
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bool RenewIpv4Address() const;
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// Return the interface index of the wifi interface used to connect to the
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// hotspot.
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// On error, returns std::nullopt.
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std::optional<uint32_t> GetWifiInterfaceIndex() const;
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private:
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// Context for WLAN notification callback.
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struct WlanNotificationContext {
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// This is reset to false when we start connecting to a new network, and set
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// to true when we receive the connecting event.
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bool got_connecting_event = false;
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// Original profile name is captured when a disconnecting event is received
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// before a connecting event.
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std::string original_profile_name;
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// The profile name of the network we are trying to connect to.
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std::string connecting_profile_name;
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WLAN_REASON_CODE connection_code = WLAN_REASON_CODE_UNKNOWN;
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absl::Notification connection_completed;
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};
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static void WlanNotificationCallback(
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PWLAN_NOTIFICATION_DATA wlan_notification_data, PVOID context);
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std::wstring BuildWlanProfile(absl::string_view ssid,
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absl::string_view password);
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GUID GetInterfaceGuid() const;
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bool ConnectToWifiNetworkInternal(GUID interface_guid,
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const std::string& profile_name)
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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bool RegisterWlanNotificationCallback(
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WlanNotificationContext* absl_nonnull context)
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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bool UnregisterWlanNotificationCallback();
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bool SetWlanProfile(GUID interface_guid, absl::string_view ssid,
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absl::string_view password)
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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bool RemoveCreatedWlanProfile(GUID interface_guid)
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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bool RemoveWlanProfile(GUID interface_guid, const std::string& profile_name)
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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NetworkInfo& network_info_;
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mutable absl::Mutex mutex_;
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WlanClient wlan_client_;
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std::string backup_profile_name_;
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};
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} // namespace nearby::windows
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#endif // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_WIFI_HOTSPOT_NATIVE_H_
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