147 lines
4.2 KiB
C++
147 lines
4.2 KiB
C++
/*
|
|
|
|
Copyright (c) 2009-2012, Arvid Norberg
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the author nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#ifndef TORRENT_SOCKET_IO_HPP_INCLUDED
|
|
#define TORRENT_SOCKET_IO_HPP_INCLUDED
|
|
|
|
#include "libtorrent/socket.hpp"
|
|
#include "libtorrent/address.hpp"
|
|
#include "libtorrent/io.hpp"
|
|
#include "libtorrent/error_code.hpp"
|
|
#include "libtorrent/lazy_entry.hpp"
|
|
#include "libtorrent/peer_id.hpp" // for sha1_hash
|
|
#include <string>
|
|
|
|
namespace libtorrent
|
|
{
|
|
TORRENT_EXPORT std::string print_address(address const& addr);
|
|
TORRENT_EXPORT std::string print_endpoint(tcp::endpoint const& ep);
|
|
TORRENT_EXPORT std::string print_endpoint(udp::endpoint const& ep);
|
|
TORRENT_EXPORT std::string address_to_bytes(address const& a);
|
|
TORRENT_EXTRA_EXPORT void hash_address(address const& ip, sha1_hash& h);
|
|
|
|
namespace detail
|
|
{
|
|
template<class OutIt>
|
|
void write_address(address const& a, OutIt& out)
|
|
{
|
|
#if TORRENT_USE_IPV6
|
|
if (a.is_v4())
|
|
{
|
|
#endif
|
|
write_uint32(a.to_v4().to_ulong(), out);
|
|
#if TORRENT_USE_IPV6
|
|
}
|
|
else if (a.is_v6())
|
|
{
|
|
typedef address_v6::bytes_type bytes_t;
|
|
bytes_t bytes = a.to_v6().to_bytes();
|
|
for (bytes_t::iterator i = bytes.begin()
|
|
, end(bytes.end()); i != end; ++i)
|
|
write_uint8(*i, out);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
template<class InIt>
|
|
address read_v4_address(InIt& in)
|
|
{
|
|
unsigned long ip = read_uint32(in);
|
|
return address_v4(ip);
|
|
}
|
|
|
|
#if TORRENT_USE_IPV6
|
|
template<class InIt>
|
|
address read_v6_address(InIt& in)
|
|
{
|
|
typedef address_v6::bytes_type bytes_t;
|
|
bytes_t bytes;
|
|
for (bytes_t::iterator i = bytes.begin()
|
|
, end(bytes.end()); i != end; ++i)
|
|
*i = read_uint8(in);
|
|
return address_v6(bytes);
|
|
}
|
|
#endif
|
|
|
|
template<class Endpoint, class OutIt>
|
|
void write_endpoint(Endpoint const& e, OutIt& out)
|
|
{
|
|
write_address(e.address(), out);
|
|
write_uint16(e.port(), out);
|
|
}
|
|
|
|
template<class Endpoint, class InIt>
|
|
Endpoint read_v4_endpoint(InIt& in)
|
|
{
|
|
address addr = read_v4_address(in);
|
|
int port = read_uint16(in);
|
|
return Endpoint(addr, port);
|
|
}
|
|
|
|
#if TORRENT_USE_IPV6
|
|
template<class Endpoint, class InIt>
|
|
Endpoint read_v6_endpoint(InIt& in)
|
|
{
|
|
address addr = read_v6_address(in);
|
|
int port = read_uint16(in);
|
|
return Endpoint(addr, port);
|
|
}
|
|
#endif
|
|
|
|
template <class EndpointType>
|
|
void read_endpoint_list(libtorrent::lazy_entry const* n, std::vector<EndpointType>& epl)
|
|
{
|
|
using namespace libtorrent;
|
|
if (n->type() != lazy_entry::list_t) return;
|
|
for (int i = 0; i < n->list_size(); ++i)
|
|
{
|
|
lazy_entry const* e = n->list_at(i);
|
|
if (e->type() != lazy_entry::string_t) return;
|
|
if (e->string_length() < 6) continue;
|
|
char const* in = e->string_ptr();
|
|
if (e->string_length() == 6)
|
|
epl.push_back(read_v4_endpoint<EndpointType>(in));
|
|
#if TORRENT_USE_IPV6
|
|
else if (e->string_length() == 18)
|
|
epl.push_back(read_v6_endpoint<EndpointType>(in));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
#endif
|
|
|