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//
// basic_socket_iostream.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2010 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_ASIO_BASIC_SOCKET_IOSTREAM_HPP
#define BOOST_ASIO_BASIC_SOCKET_IOSTREAM_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#if !defined(BOOST_NO_IOSTREAM)
#include <boost/preprocessor/arithmetic/inc.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/utility/base_from_member.hpp>
#include <boost/asio/basic_socket_streambuf.hpp>
#include <boost/asio/stream_socket_service.hpp>
#if !defined(BOOST_ASIO_SOCKET_IOSTREAM_MAX_ARITY)
#define BOOST_ASIO_SOCKET_IOSTREAM_MAX_ARITY 5
#endif // !defined(BOOST_ASIO_SOCKET_IOSTREAM_MAX_ARITY)
// A macro that should expand to:
// template <typename T1, ..., typename Tn>
// explicit basic_socket_iostream(T1 x1, ..., Tn xn)
// : basic_iostream<char>(&this->boost::base_from_member<
// basic_socket_streambuf<Protocol, StreamSocketService> >::member)
// {
// if (rdbuf()->connect(x1, ..., xn) == 0)
// this->setstate(std::ios_base::failbit);
// }
// This macro should only persist within this file.
#define BOOST_ASIO_PRIVATE_CTR_DEF(z, n, data) \
template <BOOST_PP_ENUM_PARAMS(n, typename T)> \
explicit basic_socket_iostream(BOOST_PP_ENUM_BINARY_PARAMS(n, T, x)) \
: std::basic_iostream<char>(&this->boost::base_from_member< \
basic_socket_streambuf<Protocol, StreamSocketService> >::member) \
{ \
tie(this); \
if (rdbuf()->connect(BOOST_PP_ENUM_PARAMS(n, x)) == 0) \
this->setstate(std::ios_base::failbit); \
} \
/**/
// A macro that should expand to:
// template <typename T1, ..., typename Tn>
// void connect(T1 x1, ..., Tn xn)
// {
// if (rdbuf()->connect(x1, ..., xn) == 0)
// this->setstate(std::ios_base::failbit);
// }
// This macro should only persist within this file.
#define BOOST_ASIO_PRIVATE_CONNECT_DEF(z, n, data) \
template <BOOST_PP_ENUM_PARAMS(n, typename T)> \
void connect(BOOST_PP_ENUM_BINARY_PARAMS(n, T, x)) \
{ \
if (rdbuf()->connect(BOOST_PP_ENUM_PARAMS(n, x)) == 0) \
this->setstate(std::ios_base::failbit); \
} \
/**/
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
/// Iostream interface for a socket.
template <typename Protocol,
typename StreamSocketService = stream_socket_service<Protocol> >
class basic_socket_iostream
: public boost::base_from_member<
basic_socket_streambuf<Protocol, StreamSocketService> >,
public std::basic_iostream<char>
{
public:
/// Construct a basic_socket_iostream without establishing a connection.
basic_socket_iostream()
: std::basic_iostream<char>(&this->boost::base_from_member<
basic_socket_streambuf<Protocol, StreamSocketService> >::member)
{
tie(this);
}
#if defined(GENERATING_DOCUMENTATION)
/// Establish a connection to an endpoint corresponding to a resolver query.
/**
* This constructor automatically establishes a connection based on the
* supplied resolver query parameters. The arguments are used to construct
* a resolver query object.
*/
template <typename T1, ..., typename TN>
explicit basic_socket_iostream(T1 t1, ..., TN tn);
#else
BOOST_PP_REPEAT_FROM_TO(
1, BOOST_PP_INC(BOOST_ASIO_SOCKET_IOSTREAM_MAX_ARITY),
BOOST_ASIO_PRIVATE_CTR_DEF, _ )
#endif
#if defined(GENERATING_DOCUMENTATION)
/// Establish a connection to an endpoint corresponding to a resolver query.
/**
* This function automatically establishes a connection based on the supplied
* resolver query parameters. The arguments are used to construct a resolver
* query object.
*/
template <typename T1, ..., typename TN>
void connect(T1 t1, ..., TN tn);
#else
BOOST_PP_REPEAT_FROM_TO(
1, BOOST_PP_INC(BOOST_ASIO_SOCKET_IOSTREAM_MAX_ARITY),
BOOST_ASIO_PRIVATE_CONNECT_DEF, _ )
#endif
/// Close the connection.
void close()
{
if (rdbuf()->close() == 0)
this->setstate(std::ios_base::failbit);
}
/// Return a pointer to the underlying streambuf.
basic_socket_streambuf<Protocol, StreamSocketService>* rdbuf() const
{
return const_cast<basic_socket_streambuf<Protocol, StreamSocketService>*>(
&this->boost::base_from_member<
basic_socket_streambuf<Protocol, StreamSocketService> >::member);
}
};
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#undef BOOST_ASIO_PRIVATE_CTR_DEF
#undef BOOST_ASIO_PRIVATE_CONNECT_DEF
#endif // defined(BOOST_NO_IOSTREAM)
#endif // BOOST_ASIO_BASIC_SOCKET_IOSTREAM_HPP
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