strategy-registry.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP
#define NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP

#include "core/common.hpp"

namespace nfd {

class Forwarder;

namespace fw {

class Strategy;

unique_ptr<Strategy>
makeDefaultStrategy(Forwarder& forwarder);

void
installStrategies(Forwarder& forwarder);


typedef std::function<unique_ptr<Strategy>(Forwarder&)> StrategyCreateFunc;

void
registerStrategyImpl(const Name& strategyName, const StrategyCreateFunc& createFunc);

template<typename S>
void
registerStrategy()
{
  registerStrategyImpl(S::STRATEGY_NAME,
                       [] (Forwarder& forwarder) { return make_unique<S>(ref(forwarder)); });
}

#define NFD_REGISTER_STRATEGY(StrategyType)                       \
static class NfdAuto ## StrategyType ## StrategyRegistrationClass \
{                                                                 \
public:                                                           \
  NfdAuto ## StrategyType ## StrategyRegistrationClass()          \
  {                                                               \
    ::nfd::fw::registerStrategy<StrategyType>();                  \
  }                                                               \
} g_nfdAuto ## StrategyType ## StrategyRegistrationVariable

} // namespace fw
} // namespace nfd

#endif // NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP