protocol-factory.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "protocol-factory.hpp"
#include <boost/range/adaptor/map.hpp>
#include <boost/range/algorithm/copy.hpp>

namespace nfd {
namespace face {

ProtocolFactory::Registry&
ProtocolFactory::getRegistry()
{
  static Registry registry;
  return registry;
}

unique_ptr<ProtocolFactory>
ProtocolFactory::create(const std::string& id)
{
  Registry& registry = getRegistry();
  auto found = registry.find(id);
  return found == registry.end() ? nullptr : found->second();
}

std::set<std::string>
ProtocolFactory::listRegistered()
{
  std::set<std::string> factoryIds;
  boost::copy(getRegistry() | boost::adaptors::map_keys,
              std::inserter(factoryIds, factoryIds.end()));
  return factoryIds;
}

} // namespace face
} // namespace nfd