C++ (Cpp) potential_peer_set::insert示例

示例#1

文件： peer_database.cpp 项目： emfrias/graphene

    void peer_database_impl::open(const fc::path& databaseFilename)
    {
      try
      {
        _leveldb.open(databaseFilename);
      }
      catch (const graphene::db::level_pod_map_open_failure&) 
      {
        fc::remove_all(databaseFilename);
        _leveldb.open(databaseFilename);
      }

      _potential_peer_set.clear();

      for (auto iter = _leveldb.begin(); iter.valid(); ++iter)
        _potential_peer_set.insert(potential_peer_database_entry(iter.key(), iter.value()));
#define MAXIMUM_PEERDB_SIZE 1000
      if (_potential_peer_set.size() > MAXIMUM_PEERDB_SIZE)
      {
        // prune database to a reasonable size
        auto iter = _potential_peer_set.begin();
        std::advance(iter, MAXIMUM_PEERDB_SIZE);
        while (iter != _potential_peer_set.end())
        {
          _leveldb.remove(iter->database_key);
          iter = _potential_peer_set.erase(iter);
        }
      }
    }

示例#2

文件： peer_database.cpp 项目： 371061198/bitshares_toolkit

    void peer_database_impl::open(const fc::path& databaseFilename)
    {
      _leveldb.open(databaseFilename, true);
      _potential_peer_set.clear();

      for (auto iter = _leveldb.begin(); iter.valid(); ++iter)
        _potential_peer_set.insert(potential_peer_database_entry(iter.key(), iter.value()));
    }