diff options
Diffstat (limited to 'lib/asio/local/detail')
-rw-r--r-- | lib/asio/local/detail/endpoint.hpp | 133 | ||||
-rw-r--r-- | lib/asio/local/detail/impl/endpoint.ipp | 129 |
2 files changed, 262 insertions, 0 deletions
diff --git a/lib/asio/local/detail/endpoint.hpp b/lib/asio/local/detail/endpoint.hpp new file mode 100644 index 0000000..4870f3b --- /dev/null +++ b/lib/asio/local/detail/endpoint.hpp @@ -0,0 +1,133 @@ +// +// local/detail/endpoint.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 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 ASIO_LOCAL_DETAIL_ENDPOINT_HPP +#define ASIO_LOCAL_DETAIL_ENDPOINT_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_HAS_LOCAL_SOCKETS) + +#include <cstddef> +#include <string> +#include "asio/detail/socket_types.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace local { +namespace detail { + +// Helper class for implementing a UNIX domain endpoint. +class endpoint +{ +public: + // Default constructor. + ASIO_DECL endpoint(); + + // Construct an endpoint using the specified path name. + ASIO_DECL endpoint(const char* path_name); + + // Construct an endpoint using the specified path name. + ASIO_DECL endpoint(const std::string& path_name); + + // Copy constructor. + endpoint(const endpoint& other) + : data_(other.data_), + path_length_(other.path_length_) + { + } + + // Assign from another endpoint. + endpoint& operator=(const endpoint& other) + { + data_ = other.data_; + path_length_ = other.path_length_; + return *this; + } + + // Get the underlying endpoint in the native type. + asio::detail::socket_addr_type* data() + { + return &data_.base; + } + + // Get the underlying endpoint in the native type. + const asio::detail::socket_addr_type* data() const + { + return &data_.base; + } + + // Get the underlying size of the endpoint in the native type. + std::size_t size() const + { + return path_length_ + + offsetof(asio::detail::sockaddr_un_type, sun_path); + } + + // Set the underlying size of the endpoint in the native type. + ASIO_DECL void resize(std::size_t size); + + // Get the capacity of the endpoint in the native type. + std::size_t capacity() const + { + return sizeof(asio::detail::sockaddr_un_type); + } + + // Get the path associated with the endpoint. + ASIO_DECL std::string path() const; + + // Set the path associated with the endpoint. + ASIO_DECL void path(const char* p); + + // Set the path associated with the endpoint. + ASIO_DECL void path(const std::string& p); + + // Compare two endpoints for equality. + ASIO_DECL friend bool operator==( + const endpoint& e1, const endpoint& e2); + + // Compare endpoints for ordering. + ASIO_DECL friend bool operator<( + const endpoint& e1, const endpoint& e2); + +private: + // The underlying UNIX socket address. + union data_union + { + asio::detail::socket_addr_type base; + asio::detail::sockaddr_un_type local; + } data_; + + // The length of the path associated with the endpoint. + std::size_t path_length_; + + // Initialise with a specified path. + ASIO_DECL void init(const char* path, std::size_t path_length); +}; + +} // namespace detail +} // namespace local +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#if defined(ASIO_HEADER_ONLY) +# include "asio/local/detail/impl/endpoint.ipp" +#endif // defined(ASIO_HEADER_ONLY) + +#endif // defined(ASIO_HAS_LOCAL_SOCKETS) + +#endif // ASIO_LOCAL_DETAIL_ENDPOINT_HPP diff --git a/lib/asio/local/detail/impl/endpoint.ipp b/lib/asio/local/detail/impl/endpoint.ipp new file mode 100644 index 0000000..d5bbf50 --- /dev/null +++ b/lib/asio/local/detail/impl/endpoint.ipp @@ -0,0 +1,129 @@ +// +// local/detail/impl/endpoint.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 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 ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP +#define ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_HAS_LOCAL_SOCKETS) + +#include <cstring> +#include "asio/detail/socket_ops.hpp" +#include "asio/detail/throw_error.hpp" +#include "asio/error.hpp" +#include "asio/local/detail/endpoint.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace local { +namespace detail { + +endpoint::endpoint() +{ + init("", 0); +} + +endpoint::endpoint(const char* path_name) +{ + using namespace std; // For strlen. + init(path_name, strlen(path_name)); +} + +endpoint::endpoint(const std::string& path_name) +{ + init(path_name.data(), path_name.length()); +} + +void endpoint::resize(std::size_t new_size) +{ + if (new_size > sizeof(asio::detail::sockaddr_un_type)) + { + asio::error_code ec(asio::error::invalid_argument); + asio::detail::throw_error(ec); + } + else if (new_size == 0) + { + path_length_ = 0; + } + else + { + path_length_ = new_size + - offsetof(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_name, std::size_t path_length) +{ + if (path_length > sizeof(data_.local.sun_path) - 1) + { + // The buffer is not large enough to store this address. + asio::error_code ec(asio::error::name_too_long); + asio::detail::throw_error(ec); + } + + using namespace std; // For memcpy. + data_.local = asio::detail::sockaddr_un_type(); + data_.local.sun_family = AF_UNIX; + if (path_length > 0) + memcpy(data_.local.sun_path, path_name, 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 + +#include "asio/detail/pop_options.hpp" + +#endif // defined(ASIO_HAS_LOCAL_SOCKETS) + +#endif // ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP |