// // basic_socket_iostream.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2011 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