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https://github.com/kidfromjupiter/nearby.git
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64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
// Copyright 2022-2023 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 THIRD_PARTY_NEARBY_SHARING_NEARBY_CONNECTION_IMPL_H_
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#define THIRD_PARTY_NEARBY_SHARING_NEARBY_CONNECTION_IMPL_H_
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#include <cstdint>
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#include <functional>
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#include <optional>
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#include <queue>
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#include <vector>
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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/device_info.h"
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#include "sharing/nearby_connection.h"
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namespace nearby::sharing {
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class NearbyConnectionsManager;
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class NearbyConnectionImpl : public NearbyConnection {
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public:
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explicit NearbyConnectionImpl(nearby::DeviceInfo& device_info);
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~NearbyConnectionImpl() override;
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// NearbyConnection:
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void Read(
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std::function<void(std::optional<std::vector<uint8_t>> bytes)> callback)
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ABSL_LOCKS_EXCLUDED(mutex_) override;
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void SetDisconnectionListener(std::function<void()> listener)
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ABSL_LOCKS_EXCLUDED(mutex_) override;
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// Add bytes to the read queue, notifying ReadCallback.
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void WriteMessage(std::vector<uint8_t> bytes) ABSL_LOCKS_EXCLUDED(mutex_);
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private:
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nearby::DeviceInfo& device_info_;
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absl::Mutex mutex_;
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std::function<void(std::optional<std::vector<uint8_t>> bytes)> read_callback_
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ABSL_GUARDED_BY(mutex_) = nullptr;
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std::function<void()> disconnect_listener_ ABSL_GUARDED_BY(mutex_);
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// A read queue. The data that we've read from the remote device ends up here
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// until Read() is called to dequeue it.
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std::queue<std::vector<uint8_t>> reads_ ABSL_GUARDED_BY(mutex_);
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};
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} // namespace nearby::sharing
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#endif // THIRD_PARTY_NEARBY_SHARING_NEARBY_CONNECTION_IMPL_H_
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