mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
// Copyright 2020 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 CORE_STRATEGY_H_
|
|
#define CORE_STRATEGY_H_
|
|
|
|
#include <string>
|
|
|
|
#ifdef _WIN32 // These storage class specifiers only matter to win32 dll
|
|
// builds.
|
|
#ifdef CORE_ADAPTER_DLL
|
|
#define DLL_API \
|
|
__declspec(dllexport) // If we're building the core, we're exporting.
|
|
#else // !CORE_ADAPTER_DLL
|
|
#define DLL_API \
|
|
__declspec(dllimport) // If we're not building the core, we're importing.
|
|
#endif // CORE_ADAPTER_DLL
|
|
#else // !_WIN32
|
|
#define DLL_API // We're not building a win32 dll, leave the source unchanged.
|
|
#endif // _WIN32
|
|
|
|
namespace location {
|
|
namespace nearby {
|
|
namespace connections {
|
|
|
|
// Defines a copyable, comparable connection strategy type.
|
|
// It is one of: kP2pCluster, kP2pStar, kP2pPointToPoint.
|
|
class DLL_API Strategy {
|
|
public:
|
|
static const Strategy kNone;
|
|
static const Strategy kP2pCluster;
|
|
static const Strategy kP2pStar;
|
|
static const Strategy kP2pPointToPoint;
|
|
constexpr Strategy() : Strategy(kNone) {}
|
|
constexpr Strategy(const Strategy&) = default;
|
|
constexpr Strategy& operator=(const Strategy&) = default;
|
|
|
|
// 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;
|
|
|
|
// Undefine strategy.
|
|
void Clear() { *this = kNone; }
|
|
friend bool operator==(const Strategy& lhs, const Strategy& rhs);
|
|
friend bool operator!=(const Strategy& lhs, const Strategy& rhs);
|
|
|
|
private:
|
|
enum class ConnectionType {
|
|
kNone = 0,
|
|
kPointToPoint = 1,
|
|
};
|
|
enum class TopologyType {
|
|
kUnknown = 0,
|
|
kOneToOne = 1,
|
|
kOneToMany = 2,
|
|
kManyToMany = 3,
|
|
};
|
|
constexpr Strategy(ConnectionType connection_type, TopologyType topology_type)
|
|
: connection_type_(connection_type), topology_type_(topology_type) {}
|
|
ConnectionType connection_type_;
|
|
TopologyType topology_type_;
|
|
};
|
|
|
|
} // namespace connections
|
|
} // namespace nearby
|
|
} // namespace location
|
|
#endif // CORE_STRATEGY_H_
|