/usr/include/libtorrent/socket_type.hpp is in libtorrent-rasterbar-dev 0.16.18-1.
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) 2009, 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_TYPE
#define TORRENT_SOCKET_TYPE
#include "libtorrent/config.hpp"
#include "libtorrent/socket.hpp"
#include "libtorrent/socks5_stream.hpp"
#include "libtorrent/http_stream.hpp"
#include "libtorrent/i2p_stream.hpp"
#include "libtorrent/utp_stream.hpp"
#include "libtorrent/io_service.hpp"
#include "libtorrent/max.hpp"
#include "libtorrent/assert.hpp"
#ifdef TORRENT_USE_OPENSSL
#include "libtorrent/ssl_stream.hpp"
#endif
#if defined TORRENT_ASIO_DEBUGGING
#include "libtorrent/debug.hpp"
#endif
#if TORRENT_USE_I2P
#define TORRENT_SOCKTYPE_I2P_FORWARD(x) \
case socket_type_int_impl<i2p_stream>::value: \
get<i2p_stream>()->x; break;
#define TORRENT_SOCKTYPE_I2P_FORWARD_RET(x, def) \
case socket_type_int_impl<i2p_stream>::value: \
return get<i2p_stream>()->x;
#else // TORRENT_USE_I2P
#define TORRENT_SOCKTYPE_I2P_FORWARD(x)
#define TORRENT_SOCKTYPE_I2P_FORWARD_RET(x, def)
#endif
#ifdef TORRENT_USE_OPENSSL
#define TORRENT_SOCKTYPE_SSL_FORWARD(x) \
case socket_type_int_impl<ssl_stream<stream_socket> >::value: \
get<ssl_stream<stream_socket> >()->x; break; \
case socket_type_int_impl<ssl_stream<socks5_stream> >::value: \
get<ssl_stream<socks5_stream> >()->x; break; \
case socket_type_int_impl<ssl_stream<http_stream> >::value: \
get<ssl_stream<http_stream> >()->x; break; \
case socket_type_int_impl<ssl_stream<utp_stream> >::value: \
get<ssl_stream<utp_stream> >()->x; break;
#define TORRENT_SOCKTYPE_SSL_FORWARD_RET(x, def) \
case socket_type_int_impl<ssl_stream<stream_socket> >::value: \
return get<ssl_stream<stream_socket> >()->x; \
case socket_type_int_impl<ssl_stream<socks5_stream> >::value: \
return get<ssl_stream<socks5_stream> >()->x; \
case socket_type_int_impl<ssl_stream<http_stream> >::value: \
return get<ssl_stream<http_stream> >()->x; \
case socket_type_int_impl<ssl_stream<utp_stream> >::value: \
return get<ssl_stream<utp_stream> >()->x;
#else
#define TORRENT_SOCKTYPE_SSL_FORWARD(x)
#define TORRENT_SOCKTYPE_SSL_FORWARD_RET(x, def)
#endif
#define TORRENT_SOCKTYPE_FORWARD(x) \
switch (m_type) { \
case socket_type_int_impl<stream_socket>::value: \
get<stream_socket>()->x; break; \
case socket_type_int_impl<socks5_stream>::value: \
get<socks5_stream>()->x; break; \
case socket_type_int_impl<http_stream>::value: \
get<http_stream>()->x; break; \
case socket_type_int_impl<utp_stream>::value: \
get<utp_stream>()->x; break; \
TORRENT_SOCKTYPE_I2P_FORWARD(x) \
TORRENT_SOCKTYPE_SSL_FORWARD(x) \
default: TORRENT_ASSERT(false); \
}
#define TORRENT_SOCKTYPE_FORWARD_RET(x, def) \
switch (m_type) { \
case socket_type_int_impl<stream_socket>::value: \
return get<stream_socket>()->x; \
case socket_type_int_impl<socks5_stream>::value: \
return get<socks5_stream>()->x; \
case socket_type_int_impl<http_stream>::value: \
return get<http_stream>()->x; \
case socket_type_int_impl<utp_stream>::value: \
return get<utp_stream>()->x; \
TORRENT_SOCKTYPE_I2P_FORWARD_RET(x, def) \
TORRENT_SOCKTYPE_SSL_FORWARD_RET(x, def) \
default: TORRENT_ASSERT(false); return def; \
}
namespace libtorrent
{
template <class S>
struct socket_type_int_impl
{ enum { value = 0 }; };
template <>
struct socket_type_int_impl<stream_socket>
{ enum { value = 1 }; };
template <>
struct socket_type_int_impl<socks5_stream>
{ enum { value = 2 }; };
template <>
struct socket_type_int_impl<http_stream>
{ enum { value = 3 }; };
template <>
struct socket_type_int_impl<utp_stream>
{ enum { value = 4 }; };
#if TORRENT_USE_I2P
template <>
struct socket_type_int_impl<i2p_stream>
{ enum { value = 5 }; };
#endif
#ifdef TORRENT_USE_OPENSSL
template <>
struct socket_type_int_impl<ssl_stream<stream_socket> >
{ enum { value = 6 }; };
template <>
struct socket_type_int_impl<ssl_stream<socks5_stream> >
{ enum { value = 7 }; };
template <>
struct socket_type_int_impl<ssl_stream<http_stream> >
{ enum { value = 8 }; };
template <>
struct socket_type_int_impl<ssl_stream<utp_stream> >
{ enum { value = 9 }; };
#endif
struct TORRENT_EXTRA_EXPORT socket_type
{
typedef stream_socket::endpoint_type endpoint_type;
typedef stream_socket::protocol_type protocol_type;
explicit socket_type(io_service& ios): m_io_service(ios), m_type(0) {}
~socket_type();
io_service& get_io_service() const;
bool is_open() const;
char const* type_name() const;
#ifndef BOOST_NO_EXCEPTIONS
void open(protocol_type const& p);
void close();
endpoint_type local_endpoint() const;
endpoint_type remote_endpoint() const;
void bind(endpoint_type const& endpoint);
std::size_t available() const;
#endif
void open(protocol_type const& p, error_code& ec);
void close(error_code& ec);
endpoint_type local_endpoint(error_code& ec) const;
endpoint_type remote_endpoint(error_code& ec) const;
void bind(endpoint_type const& endpoint, error_code& ec);
std::size_t available(error_code& ec) const;
int type() const;
template <class Mutable_Buffers>
std::size_t read_some(Mutable_Buffers const& buffers, error_code& ec)
{ TORRENT_SOCKTYPE_FORWARD_RET(read_some(buffers, ec), 0) }
template <class Mutable_Buffers, class Handler>
void async_read_some(Mutable_Buffers const& buffers, Handler const& handler)
{ TORRENT_SOCKTYPE_FORWARD(async_read_some(buffers, handler)) }
template <class Const_Buffers>
std::size_t write_some(Const_Buffers const& buffers, error_code& ec)
{ TORRENT_SOCKTYPE_FORWARD_RET(write_some(buffers, ec), 0) }
template <class Const_Buffers, class Handler>
void async_write_some(Const_Buffers const& buffers, Handler const& handler)
{ TORRENT_SOCKTYPE_FORWARD(async_write_some(buffers, handler)) }
template <class Handler>
void async_connect(endpoint_type const& endpoint, Handler const& handler)
{ TORRENT_SOCKTYPE_FORWARD(async_connect(endpoint, handler)) }
#ifndef BOOST_NO_EXCEPTIONS
template <class IO_Control_Command>
void io_control(IO_Control_Command& ioc)
{ TORRENT_SOCKTYPE_FORWARD(io_control(ioc)) }
template <class Mutable_Buffers>
std::size_t read_some(Mutable_Buffers const& buffers)
{ TORRENT_SOCKTYPE_FORWARD_RET(read_some(buffers), 0) }
#endif
template <class IO_Control_Command>
void io_control(IO_Control_Command& ioc, error_code& ec)
{ TORRENT_SOCKTYPE_FORWARD(io_control(ioc, ec)) }
#ifndef BOOST_NO_EXCEPTIONS
template <class SettableSocketOption>
void set_option(SettableSocketOption const& opt)
{ TORRENT_SOCKTYPE_FORWARD(set_option(opt)) }
#endif
template <class SettableSocketOption>
error_code set_option(SettableSocketOption const& opt, error_code& ec)
{ TORRENT_SOCKTYPE_FORWARD_RET(set_option(opt, ec), ec) }
template <class S>
void instantiate(io_service& ios, void* userdata = 0)
{
TORRENT_ASSERT(&ios == &m_io_service);
construct(socket_type_int_impl<S>::value, userdata);
}
template <class S> S* get()
{
if (m_type != socket_type_int_impl<S>::value) return 0;
return (S*)m_data;
}
template <class S> S const* get() const
{
if (m_type != socket_type_int_impl<S>::value) return 0;
return (S const*)m_data;
}
private:
void destruct();
void construct(int type, void* userdata);
io_service& m_io_service;
int m_type;
enum { storage_size = max9<
sizeof(stream_socket)
, sizeof(socks5_stream)
, sizeof(http_stream)
, sizeof(utp_stream)
#if TORRENT_USE_I2P
, sizeof(i2p_stream)
#else
, 0
#endif
#ifdef TORRENT_USE_OPENSSL
, sizeof(ssl_stream<stream_socket>)
, sizeof(ssl_stream<socks5_stream>)
, sizeof(ssl_stream<http_stream>)
, sizeof(ssl_stream<utp_stream>)
#else
, 0, 0, 0, 0
#endif
>::value
};
size_type m_data[(storage_size + sizeof(size_type) - 1) / sizeof(size_type)];
};
// returns true if this socket is an SSL socket
bool is_ssl(socket_type const& s);
// returns true if this is a uTP socket
bool is_utp(socket_type const& s);
#if TORRENT_USE_I2P
// returns true if this is an i2p socket
bool is_i2p(socket_type const& s);
#endif
// assuming the socket_type s is an ssl socket, make sure it
// verifies the hostname in its SSL handshake
void setup_ssl_hostname(socket_type& s, std::string const& hostname, error_code& ec);
// properly shuts down SSL sockets. holder keeps s alive
void async_shutdown(socket_type& s, boost::shared_ptr<void> holder);
}
#endif
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