/usr/include/bitcoin/network/hosts.hpp is in libbitcoin-dev 2.0-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2011-2013 libbitcoin developers (see AUTHORS)
*
* This file is part of libbitcoin.
*
* libbitcoin is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License with
* additional permissions to the one published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. For more information see LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBBITCOIN_HPPOSTS_HPP
#define LIBBITCOIN_HPPOSTS_HPP
#include <string>
#include <fstream>
#include <functional>
#include <system_error>
#include <boost/circular_buffer.hpp>
#include <bitcoin/primitives.hpp>
#include <bitcoin/threadpool.hpp>
namespace libbitcoin {
class hosts
{
public:
typedef std::function<void (const std::error_code&)> load_handler;
typedef std::function<void (const std::error_code&)> save_handler;
typedef std::function<void (const std::error_code&)> store_handler;
typedef std::function<void (const std::error_code&)> remove_handler;
typedef std::function<
void (const std::error_code&, const network_address_type&)>
fetch_address_handler;
typedef std::function<void (const std::error_code&, size_t)>
fetch_count_handler;
hosts(threadpool& pool, size_t capacity=1000);
hosts(const hosts&) = delete;
void operator=(const hosts&) = delete;
void load(const std::string& filename, load_handler handle_load);
void save(const std::string& filename, save_handler handle_save);
void store(const network_address_type& address,
store_handler handle_store);
void remove(const network_address_type& address,
remove_handler handle_remove);
void fetch_address(fetch_address_handler handle_fetch);
void fetch_count(fetch_count_handler handle_fetch);
private:
struct hosts_field
{
bool operator==(const hosts_field& other);
ip_address_type ip;
uint16_t port;
};
void do_load(const std::string& filename, load_handler handle_load);
void do_save(const std::string& filename, save_handler handle_save);
void do_remove(const network_address_type& address,
remove_handler handle_remove);
void do_fetch_address(fetch_address_handler handle_fetch_address);
void do_fetch_count(fetch_count_handler handle_fetch);
async_strand strand_;
boost::circular_buffer<hosts_field> buffer_;
};
} // namespace libbitcoin
#endif
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