122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
|
//
|
||
|
|
// generic/raw_protocol.hpp
|
||
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003-2023 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 ASIO_NOEXCEPT
|
||
|
|
{
|
||
|
|
return ASIO_OS_DEF(SOCK_RAW);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Obtain an identifier for the protocol.
|
||
|
|
int protocol() const ASIO_NOEXCEPT
|
||
|
|
{
|
||
|
|
return protocol_;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Obtain an identifier for the protocol family.
|
||
|
|
int family() const ASIO_NOEXCEPT
|
||
|
|
{
|
||
|
|
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
|