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https://github.com/kidfromjupiter/nearby.git
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73 lines
2.5 KiB
C++
73 lines
2.5 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 THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_WIFI_LAN_MDNS_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_WIFI_LAN_MDNS_H_
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// clang-format off
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#include <windows.h>
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#include <windns.h>
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// clang-format on
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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/thread_annotations.h"
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#include "absl/container/flat_hash_map.h"
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#include "absl/synchronization/mutex.h"
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#include "absl/synchronization/notification.h"
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namespace nearby::windows {
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class WifiLanMdns {
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public:
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WifiLanMdns() = default;
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~WifiLanMdns();
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bool StartMdnsService(
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const std::string& service_name, const std::string& service_type,
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int port, absl::flat_hash_map<std::string, std::string> text_records)
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ABSL_LOCKS_EXCLUDED(mutex_);
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bool StopMdnsService() ABSL_LOCKS_EXCLUDED(mutex_);
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void NotifyStatusUpdated(DWORD status);
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private:
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static void DnsServiceRegisterComplete(DWORD Status, PVOID pQueryContext,
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PDNS_SERVICE_INSTANCE pInstance);
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std::optional<std::string> GetComputerName();
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void CleanUp() ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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absl::Mutex mutex_;
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std::unique_ptr<absl::Notification> dns_service_notification_ = nullptr;
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bool is_service_started_ ABSL_GUARDED_BY(mutex_) = false;
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std::unique_ptr<std::wstring> dns_service_instance_name_
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ABSL_GUARDED_BY(mutex_);
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std::unique_ptr<std::wstring> host_name_ ABSL_GUARDED_BY(mutex_);
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DNS_SERVICE_INSTANCE
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dns_service_instance_ ABSL_GUARDED_BY(mutex_);
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DNS_SERVICE_REGISTER_REQUEST dns_service_register_request_
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ABSL_GUARDED_BY(mutex_);
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std::vector<std::wstring> text_keys_ ABSL_GUARDED_BY(mutex_);
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std::vector<std::wstring> text_values_ ABSL_GUARDED_BY(mutex_);
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PWSTR* keys_ ABSL_GUARDED_BY(mutex_) = nullptr;
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PWSTR* values_ ABSL_GUARDED_BY(mutex_) = nullptr;
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};
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} // namespace nearby::windows
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#endif // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_WIFI_LAN_MDNS_H_
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