mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
7e19ffbab7
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I83ec7dee1a7ef6f4bdfd47482c94d03910525b7e
62 lines
2.0 KiB
C++
62 lines
2.0 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_V2_IMPL_G3_MEDIUM_ENVIRONMENT_H_
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#define PLATFORM_V2_IMPL_G3_MEDIUM_ENVIRONMENT_H_
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#include <new>
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#include <string>
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#include <type_traits>
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#include "platform_v2/api/bluetooth_classic.h"
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#include "platform_v2/impl/g3/bluetooth_adapter.h"
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#include "absl/container/flat_hash_map.h"
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#include "absl/container/flat_hash_set.h"
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#include "absl/synchronization/mutex.h"
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namespace location {
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namespace nearby {
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namespace g3 {
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// MediumEnvironment is a simulated environment which allowes multiple instances
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// of simulated HW devices to "work" together as if they are physical.
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// For each medium type it provides necessary methods to implement
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// advertising, discovery and establishment of a data link.
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class MediumEnvironment {
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public:
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~MediumEnvironment() = default;
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// Singleton constructor/accessor.
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static MediumEnvironment& Instance();
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// Clear state. No notifications are sent.
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void Reset() ABSL_LOCKS_EXCLUDED(mutex_);
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// Add an adapter to internal container.
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// Notify BluetoothClassicMediums if any that adapter state has changed.
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void OnBluetoothAdapterChangedState(BluetoothAdapter& adapter)
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ABSL_LOCKS_EXCLUDED(mutex_);
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private:
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MediumEnvironment() = default;
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absl::Mutex mutex_;
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absl::flat_hash_set<BluetoothAdapter*> bluetooth_adapters_
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ABSL_GUARDED_BY(mutex_);
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};
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} // namespace g3
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_V2_IMPL_G3_MEDIUM_ENVIRONMENT_H_
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