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authorMatthias P. Braendli <matthias.braendli@mpb.li>2018-08-06 10:35:22 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2018-08-06 10:35:22 +0200
commite95946831f8ef53d29590735a2df661385edb008 (patch)
treee179b6beed4a5a0dd108f078a529ae9f8107ed8e /lib/asio/generic/raw_protocol.hpp
parent8bc01ff60629d9096f4b57cfb574ace672a6ef0e (diff)
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Replace boost by the standalone asio library
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+//
+// generic/raw_protocol.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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 ASIO_GENERIC_RAW_PROTOCOL_HPP
+#define ASIO_GENERIC_RAW_PROTOCOL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#include <typeinfo>
+#include "asio/basic_raw_socket.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/throw_exception.hpp"
+#include "asio/generic/basic_endpoint.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace generic {
+
+/// Encapsulates the flags needed for a generic raw socket.
+/**
+ * The asio::generic::raw_protocol class contains flags necessary for
+ * raw sockets of any address family and protocol.
+ *
+ * @par Examples
+ * Constructing using a native address family and socket protocol:
+ * @code raw_protocol p(AF_INET, IPPROTO_ICMP); @endcode
+ * Constructing from a specific protocol type:
+ * @code raw_protocol p(asio::ip::icmp::v4()); @endcode
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Safe.
+ *
+ * @par Concepts:
+ * Protocol.
+ */
+class raw_protocol
+{
+public:
+ /// Construct a protocol object for a specific address family and protocol.
+ raw_protocol(int address_family, int socket_protocol)
+ : family_(address_family),
+ protocol_(socket_protocol)
+ {
+ }
+
+ /// Construct a generic protocol object from a specific protocol.
+ /**
+ * @throws @c bad_cast Thrown if the source protocol is not raw-oriented.
+ */
+ template <typename Protocol>
+ raw_protocol(const Protocol& source_protocol)
+ : family_(source_protocol.family()),
+ protocol_(source_protocol.protocol())
+ {
+ if (source_protocol.type() != type())
+ {
+ std::bad_cast ex;
+ asio::detail::throw_exception(ex);
+ }
+ }
+
+ /// Obtain an identifier for the type of the protocol.
+ int type() const
+ {
+ return ASIO_OS_DEF(SOCK_RAW);
+ }
+
+ /// Obtain an identifier for the protocol.
+ int protocol() const
+ {
+ return protocol_;
+ }
+
+ /// Obtain an identifier for the protocol family.
+ int family() const
+ {
+ return family_;
+ }
+
+ /// Compare two protocols for equality.
+ friend bool operator==(const raw_protocol& p1, const raw_protocol& p2)
+ {
+ return p1.family_ == p2.family_ && p1.protocol_ == p2.protocol_;
+ }
+
+ /// Compare two protocols for inequality.
+ friend bool operator!=(const raw_protocol& p1, const raw_protocol& p2)
+ {
+ return !(p1 == p2);
+ }
+
+ /// The type of an endpoint.
+ typedef basic_endpoint<raw_protocol> endpoint;
+
+ /// The generic socket type.
+ typedef basic_raw_socket<raw_protocol> socket;
+
+private:
+ int family_;
+ int protocol_;
+};
+
+} // namespace generic
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_GENERIC_RAW_PROTOCOL_HPP