147 lines
4.2 KiB
C++
147 lines
4.2 KiB
C++
/*
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Copyright (c) 2009, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_SOCKET_IO_HPP_INCLUDED
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#define TORRENT_SOCKET_IO_HPP_INCLUDED
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#include "libtorrent/socket.hpp"
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#include "libtorrent/address.hpp"
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#include "libtorrent/io.hpp"
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#include "libtorrent/error_code.hpp"
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#include "libtorrent/lazy_entry.hpp"
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#include "libtorrent/peer_id.hpp" // for sha1_hash
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#include <string>
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namespace libtorrent
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{
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TORRENT_EXPORT std::string print_address(address const& addr);
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TORRENT_EXPORT std::string print_endpoint(tcp::endpoint const& ep);
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TORRENT_EXPORT std::string print_endpoint(udp::endpoint const& ep);
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TORRENT_EXPORT std::string address_to_bytes(address const& a);
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TORRENT_EXTRA_EXPORT void hash_address(address const& ip, sha1_hash& h);
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namespace detail
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{
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template<class OutIt>
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void write_address(address const& a, OutIt& out)
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{
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#if TORRENT_USE_IPV6
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if (a.is_v4())
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{
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#endif
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write_uint32(a.to_v4().to_ulong(), out);
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#if TORRENT_USE_IPV6
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}
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else if (a.is_v6())
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{
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typedef address_v6::bytes_type bytes_t;
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bytes_t bytes = a.to_v6().to_bytes();
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for (bytes_t::iterator i = bytes.begin()
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, end(bytes.end()); i != end; ++i)
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write_uint8(*i, out);
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}
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#endif
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}
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template<class InIt>
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address read_v4_address(InIt& in)
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{
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unsigned long ip = read_uint32(in);
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return address_v4(ip);
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}
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#if TORRENT_USE_IPV6
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template<class InIt>
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address read_v6_address(InIt& in)
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{
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typedef address_v6::bytes_type bytes_t;
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bytes_t bytes;
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for (bytes_t::iterator i = bytes.begin()
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, end(bytes.end()); i != end; ++i)
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*i = read_uint8(in);
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return address_v6(bytes);
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}
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#endif
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template<class Endpoint, class OutIt>
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void write_endpoint(Endpoint const& e, OutIt& out)
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{
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write_address(e.address(), out);
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write_uint16(e.port(), out);
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}
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template<class Endpoint, class InIt>
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Endpoint read_v4_endpoint(InIt& in)
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{
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address addr = read_v4_address(in);
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int port = read_uint16(in);
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return Endpoint(addr, port);
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}
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#if TORRENT_USE_IPV6
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template<class Endpoint, class InIt>
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Endpoint read_v6_endpoint(InIt& in)
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{
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address addr = read_v6_address(in);
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int port = read_uint16(in);
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return Endpoint(addr, port);
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}
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#endif
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template <class EndpointType>
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void read_endpoint_list(libtorrent::lazy_entry const* n, std::vector<EndpointType>& epl)
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{
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using namespace libtorrent;
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if (n->type() != lazy_entry::list_t) return;
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for (int i = 0; i < n->list_size(); ++i)
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{
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lazy_entry const* e = n->list_at(i);
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if (e->type() != lazy_entry::string_t) return;
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if (e->string_length() < 6) continue;
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char const* in = e->string_ptr();
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if (e->string_length() == 6)
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epl.push_back(read_v4_endpoint<EndpointType>(in));
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#if TORRENT_USE_IPV6
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else if (e->string_length() == 18)
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epl.push_back(read_v6_endpoint<EndpointType>(in));
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#endif
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}
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}
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}
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}
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#endif
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