| // |
| // local/detail/impl/endpoint.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2010 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // Derived from a public domain implementation written by Daniel Casimiro. |
| // |
| // 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_LOCAL_DETAIL_IMPL_ENDPOINT_IPP |
| #define BOOST_ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP |
| |
| #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_ASIO_HAS_LOCAL_SOCKETS) |
| |
| #include <cstring> |
| #include <boost/asio/detail/socket_ops.hpp> |
| #include <boost/asio/detail/throw_error.hpp> |
| #include <boost/asio/error.hpp> |
| #include <boost/asio/local/detail/endpoint.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace local { |
| namespace detail { |
| |
| endpoint::endpoint() |
| { |
| init("", 0); |
| } |
| |
| endpoint::endpoint(const char* path) |
| { |
| using namespace std; // For strlen. |
| init(path, strlen(path)); |
| } |
| |
| endpoint::endpoint(const std::string& path) |
| { |
| init(path.data(), path.length()); |
| } |
| |
| void endpoint::resize(std::size_t size) |
| { |
| if (size > sizeof(boost::asio::detail::sockaddr_un_type)) |
| { |
| boost::system::error_code ec(boost::asio::error::invalid_argument); |
| boost::asio::detail::throw_error(ec); |
| } |
| else if (size == 0) |
| { |
| path_length_ = 0; |
| } |
| else |
| { |
| path_length_ = size |
| - offsetof(boost::asio::detail::sockaddr_un_type, sun_path); |
| |
| // The path returned by the operating system may be NUL-terminated. |
| if (path_length_ > 0 && data_.local.sun_path[path_length_ - 1] == 0) |
| --path_length_; |
| } |
| } |
| |
| std::string endpoint::path() const |
| { |
| return std::string(data_.local.sun_path, path_length_); |
| } |
| |
| void endpoint::path(const char* p) |
| { |
| using namespace std; // For strlen. |
| init(p, strlen(p)); |
| } |
| |
| void endpoint::path(const std::string& p) |
| { |
| init(p.data(), p.length()); |
| } |
| |
| bool operator==(const endpoint& e1, const endpoint& e2) |
| { |
| return e1.path() == e2.path(); |
| } |
| |
| bool operator<(const endpoint& e1, const endpoint& e2) |
| { |
| return e1.path() < e2.path(); |
| } |
| |
| void endpoint::init(const char* path, std::size_t path_length) |
| { |
| if (path_length > sizeof(data_.local.sun_path) - 1) |
| { |
| // The buffer is not large enough to store this address. |
| boost::system::error_code ec(boost::asio::error::name_too_long); |
| boost::asio::detail::throw_error(ec); |
| } |
| |
| using namespace std; // For memcpy. |
| data_.local = boost::asio::detail::sockaddr_un_type(); |
| data_.local.sun_family = AF_UNIX; |
| memcpy(data_.local.sun_path, path, path_length); |
| path_length_ = path_length; |
| |
| // NUL-terminate normal path names. Names that start with a NUL are in the |
| // UNIX domain protocol's "abstract namespace" and are not NUL-terminated. |
| if (path_length > 0 && data_.local.sun_path[0] == 0) |
| data_.local.sun_path[path_length] = 0; |
| } |
| |
| } // namespace detail |
| } // namespace local |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) |
| |
| #endif // BOOST_ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP |