Files
nearby/connections/c/strategy_w.h
T
Nick Bourdakos f49fe2fb59 Internal change
PiperOrigin-RevId: 503320554
2023-01-19 18:45:56 -08:00

77 lines
2.5 KiB
C++

// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef THIRD_PARTY_NEARBY_CONNECTIONS_C_STRATEGY_W_H_
#define THIRD_PARTY_NEARBY_CONNECTIONS_C_STRATEGY_W_H_
#include <string>
#include "connections/c/dll_config.h"
namespace nearby::windows {
// Defines a copyable, comparable connection strategy type.
// It is one of: kP2pCluster, kP2pStar, kP2pPointToPoint.
class DLL_API StrategyW {
public:
static const StrategyW kNone;
static const StrategyW kP2pCluster;
static const StrategyW kP2pStar;
static const StrategyW kP2pPointToPoint;
constexpr StrategyW() : StrategyW(kNone) {}
constexpr StrategyW(const StrategyW&) = default;
constexpr StrategyW& operator=(const StrategyW&) = default;
// Helper functions for exe to access static member variables in the dll.
static const StrategyW& GetStrategyNone();
static const StrategyW& GetStrategyP2pCluster();
static const StrategyW& GetStrategyP2pStar();
static const StrategyW& GetStrategyPointToPoint();
// Returns true, if strategy is kNone, false otherwise.
bool IsNone() const;
// Returns true, if a strategy is one of the supported strategies,
// false otherwise.
bool IsValid() const;
// Returns a string representing given strategy, for every valid strategy.
std::string GetName() const;
// Undefined strategy.
void Clear();
friend bool operator==(const StrategyW& lhs, const StrategyW& rhs);
friend bool operator!=(const StrategyW& lhs, const StrategyW& rhs);
private:
enum class ConnectionType {
kNone = 0,
kPointToPoint = 1,
};
enum class TopologyType {
kUnknown = 0,
kOneToOne = 1,
kOneToMany = 2,
kManyToMany = 3,
};
constexpr StrategyW(ConnectionType connection_type,
TopologyType topology_type)
: connection_type_(connection_type), topology_type_(topology_type) {}
ConnectionType connection_type_;
TopologyType topology_type_;
};
} // namespace nearby::windows
#endif // THIRD_PARTY_NEARBY_CONNECTIONS_C_STRATEGY_W_H_