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https://github.com/kidfromjupiter/nearby.git
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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
// Copyright 2022 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_CONNECTIONS_C_STRATEGY_W_H_
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#define THIRD_PARTY_NEARBY_CONNECTIONS_C_STRATEGY_W_H_
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#include <string>
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#include "connections/c/dll_config.h"
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namespace nearby::windows {
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// Defines a copyable, comparable connection strategy type.
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// It is one of: kP2pCluster, kP2pStar, kP2pPointToPoint.
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class DLL_API StrategyW {
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public:
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static const StrategyW kNone;
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static const StrategyW kP2pCluster;
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static const StrategyW kP2pStar;
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static const StrategyW kP2pPointToPoint;
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constexpr StrategyW() : StrategyW(kNone) {}
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constexpr StrategyW(const StrategyW&) = default;
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constexpr StrategyW& operator=(const StrategyW&) = default;
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// Helper functions for exe to access static member variables in the dll.
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static const StrategyW& GetStrategyNone();
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static const StrategyW& GetStrategyP2pCluster();
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static const StrategyW& GetStrategyP2pStar();
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static const StrategyW& GetStrategyPointToPoint();
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// Returns true, if strategy is kNone, false otherwise.
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bool IsNone() const;
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// Returns true, if a strategy is one of the supported strategies,
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// false otherwise.
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bool IsValid() const;
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// Returns a string representing given strategy, for every valid strategy.
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std::string GetName() const;
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// Undefined strategy.
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void Clear();
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friend bool operator==(const StrategyW& lhs, const StrategyW& rhs);
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friend bool operator!=(const StrategyW& lhs, const StrategyW& rhs);
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private:
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enum class ConnectionType {
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kNone = 0,
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kPointToPoint = 1,
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};
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enum class TopologyType {
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kUnknown = 0,
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kOneToOne = 1,
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kOneToMany = 2,
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kManyToMany = 3,
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};
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constexpr StrategyW(ConnectionType connection_type,
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TopologyType topology_type)
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: connection_type_(connection_type), topology_type_(topology_type) {}
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ConnectionType connection_type_;
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TopologyType topology_type_;
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};
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} // namespace nearby::windows
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#endif // THIRD_PARTY_NEARBY_CONNECTIONS_C_STRATEGY_W_H_
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