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Add raw sockets support.

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This commit is contained in:
chris_kohlhoff 2008-04-28 13:00:14 +00:00
parent a0936c0bae
commit bc4b34926b
5 changed files with 1244 additions and 0 deletions
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3
asio/include/Makefile.am
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@ -2,6 +2,7 @@ nobase_include_HEADERS = \
asio/basic_datagram_socket.hpp \
asio/basic_deadline_timer.hpp \
asio/basic_io_object.hpp \
asio/basic_raw_socket.hpp \
asio/basic_socket.hpp \
asio/basic_socket_acceptor.hpp \
asio/basic_socket_iostream.hpp \
@ -117,6 +118,7 @@ nobase_include_HEADERS = \
asio/ip/basic_resolver_iterator.hpp \
asio/ip/basic_resolver_query.hpp \
asio/ip/host_name.hpp \
asio/ip/icmp.hpp \
asio/ip/multicast.hpp \
asio/ip/resolver_query_base.hpp \
asio/ip/resolver_service.hpp \
@ -137,6 +139,7 @@ nobase_include_HEADERS = \
asio/posix/descriptor_base.hpp \
asio/posix/stream_descriptor.hpp \
asio/posix/stream_descriptor_service.hpp \
asio/raw_socket_service.hpp \
asio/read.hpp \
asio/read_until.hpp \
asio/socket_acceptor_service.hpp \

2
asio/include/asio.hpp
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@ -18,6 +18,7 @@
#include "asio/basic_datagram_socket.hpp"
#include "asio/basic_deadline_timer.hpp"
#include "asio/basic_io_object.hpp"
#include "asio/basic_raw_socket.hpp"
#include "asio/basic_socket_acceptor.hpp"
#include "asio/basic_socket_iostream.hpp"
#include "asio/basic_socket_streambuf.hpp"
@ -67,6 +68,7 @@
#include "asio/posix/descriptor_base.hpp"
#include "asio/posix/stream_descriptor.hpp"
#include "asio/posix/stream_descriptor_service.hpp"
#include "asio/raw_socket_service.hpp"
#include "asio/read.hpp"
#include "asio/read_until.hpp"
#include "asio/socket_acceptor_service.hpp"

798
asio/include/asio/basic_raw_socket.hpp Normal file
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@ -0,0 +1,798 @@
//
// basic_raw_socket.hpp
// ~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 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_BASIC_RAW_SOCKET_HPP
#define ASIO_BASIC_RAW_SOCKET_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/push_options.hpp"
#include "asio/detail/push_options.hpp"
#include <cstddef>
#include <boost/config.hpp>
#include "asio/detail/pop_options.hpp"
#include "asio/basic_socket.hpp"
#include "asio/raw_socket_service.hpp"
#include "asio/error.hpp"
#include "asio/detail/throw_error.hpp"
namespace asio {
/// Provides raw-oriented socket functionality.
/**
* The basic_raw_socket class template provides asynchronous and blocking
* raw-oriented socket functionality.
*
* @par Thread Safety
* @e Distinct @e objects: Safe.@n
* @e Shared @e objects: Unsafe.
*/
template <typename Protocol,
typename RawSocketService = raw_socket_service<Protocol> >
class basic_raw_socket
: public basic_socket<Protocol, RawSocketService>
{
public:
/// The native representation of a socket.
typedef typename RawSocketService::native_type native_type;
/// The protocol type.
typedef Protocol protocol_type;
/// The endpoint type.
typedef typename Protocol::endpoint endpoint_type;
/// Construct a basic_raw_socket without opening it.
/**
* This constructor creates a raw socket without opening it. The open()
* function must be called before data can be sent or received on the socket.
*
* @param io_service The io_service object that the raw socket will use
* to dispatch handlers for any asynchronous operations performed on the
* socket.
*/
explicit basic_raw_socket(asio::io_service& io_service)
: basic_socket<Protocol, RawSocketService>(io_service)
{
}
/// Construct and open a basic_raw_socket.
/**
* This constructor creates and opens a raw socket.
*
* @param io_service The io_service object that the raw socket will use
* to dispatch handlers for any asynchronous operations performed on the
* socket.
*
* @param protocol An object specifying protocol parameters to be used.
*
* @throws asio::system_error Thrown on failure.
*/
basic_raw_socket(asio::io_service& io_service,
const protocol_type& protocol)
: basic_socket<Protocol, RawSocketService>(io_service, protocol)
{
}
/// Construct a basic_raw_socket, opening it and binding it to the given
/// local endpoint.
/**
* This constructor creates a raw socket and automatically opens it bound
* to the specified endpoint on the local machine. The protocol used is the
* protocol associated with the given endpoint.
*
* @param io_service The io_service object that the raw socket will use
* to dispatch handlers for any asynchronous operations performed on the
* socket.
*
* @param endpoint An endpoint on the local machine to which the raw
* socket will be bound.
*
* @throws asio::system_error Thrown on failure.
*/
basic_raw_socket(asio::io_service& io_service,
const endpoint_type& endpoint)
: basic_socket<Protocol, RawSocketService>(io_service, endpoint)
{
}
/// Construct a basic_raw_socket on an existing native socket.
/**
* This constructor creates a raw socket object to hold an existing
* native socket.
*
* @param io_service The io_service object that the raw socket will use
* to dispatch handlers for any asynchronous operations performed on the
* socket.
*
* @param protocol An object specifying protocol parameters to be used.
*
* @param native_socket The new underlying socket implementation.
*
* @throws asio::system_error Thrown on failure.
*/
basic_raw_socket(asio::io_service& io_service,
const protocol_type& protocol, const native_type& native_socket)
: basic_socket<Protocol, RawSocketService>(
io_service, protocol, native_socket)
{
}
/// Send some data on a connected socket.
/**
* This function is used to send data on the raw socket. The function call
* will block until the data has been sent successfully or an error occurs.
*
* @param buffers One ore more data buffers to be sent on the socket.
*
* @returns The number of bytes sent.
*
* @throws asio::system_error Thrown on failure.
*
* @note The send operation can only be used with a connected socket. Use
* the send_to function to send data on an unconnected raw socket.
*
* @par Example
* To send a single data buffer use the @ref buffer function as follows:
* @code socket.send(asio::buffer(data, size)); @endcode
* See the @ref buffer documentation for information on sending multiple
* buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename ConstBufferSequence>
std::size_t send(const ConstBufferSequence& buffers)
{
asio::error_code ec;
std::size_t s = this->service.send(this->implementation, buffers, 0, ec);
asio::detail::throw_error(ec);
return s;
}
/// Send some data on a connected socket.
/**
* This function is used to send data on the raw socket. The function call
* will block until the data has been sent successfully or an error occurs.
*
* @param buffers One ore more data buffers to be sent on the socket.
*
* @param flags Flags specifying how the send call is to be made.
*
* @returns The number of bytes sent.
*
* @throws asio::system_error Thrown on failure.
*
* @note The send operation can only be used with a connected socket. Use
* the send_to function to send data on an unconnected raw socket.
*/
template <typename ConstBufferSequence>
std::size_t send(const ConstBufferSequence& buffers,
socket_base::message_flags flags)
{
asio::error_code ec;
std::size_t s = this->service.send(
this->implementation, buffers, flags, ec);
asio::detail::throw_error(ec);
return s;
}
/// Send some data on a connected socket.
/**
* This function is used to send data on the raw socket. The function call
* will block until the data has been sent successfully or an error occurs.
*
* @param buffers One or more data buffers to be sent on the socket.
*
* @param flags Flags specifying how the send call is to be made.
*
* @param ec Set to indicate what error occurred, if any.
*
* @returns The number of bytes sent.
*
* @note The send operation can only be used with a connected socket. Use
* the send_to function to send data on an unconnected raw socket.
*/
template <typename ConstBufferSequence>
std::size_t send(const ConstBufferSequence& buffers,
socket_base::message_flags flags, asio::error_code& ec)
{
return this->service.send(this->implementation, buffers, flags, ec);
}
/// Start an asynchronous send on a connected socket.
/**
* This function is used to send data on the raw socket. The function call
* will block until the data has been sent successfully or an error occurs.
*
* @param buffers One or more data buffers to be sent on the socket. Although
* the buffers object may be copied as necessary, ownership of the underlying
* memory blocks is retained by the caller, which must guarantee that they
* remain valid until the handler is called.
*
* @param handler The handler to be called when the send operation completes.
* Copies will be made of the handler as required. The function signature of
* the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes sent.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*
* @note The async_send operation can only be used with a connected socket.
* Use the async_send_to function to send data on an unconnected raw
* socket.
*
* @par Example
* To send a single data buffer use the @ref buffer function as follows:
* @code
* socket.async_send(asio::buffer(data, size), handler);
* @endcode
* See the @ref buffer documentation for information on sending multiple
* buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename ConstBufferSequence, typename WriteHandler>
void async_send(const ConstBufferSequence& buffers, WriteHandler handler)
{
this->service.async_send(this->implementation, buffers, 0, handler);
}
/// Start an asynchronous send on a connected socket.
/**
* This function is used to send data on the raw socket. The function call
* will block until the data has been sent successfully or an error occurs.
*
* @param buffers One or more data buffers to be sent on the socket. Although
* the buffers object may be copied as necessary, ownership of the underlying
* memory blocks is retained by the caller, which must guarantee that they
* remain valid until the handler is called.
*
* @param flags Flags specifying how the send call is to be made.
*
* @param handler The handler to be called when the send operation completes.
* Copies will be made of the handler as required. The function signature of
* the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes sent.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*
* @note The async_send operation can only be used with a connected socket.
* Use the async_send_to function to send data on an unconnected raw
* socket.
*/
template <typename ConstBufferSequence, typename WriteHandler>
void async_send(const ConstBufferSequence& buffers,
socket_base::message_flags flags, WriteHandler handler)
{
this->service.async_send(this->implementation, buffers, flags, handler);
}
/// Send raw data to the specified endpoint.
/**
* This function is used to send raw data to the specified remote endpoint.
* The function call will block until the data has been sent successfully or
* an error occurs.
*
* @param buffers One or more data buffers to be sent to the remote endpoint.
*
* @param destination The remote endpoint to which the data will be sent.
*
* @returns The number of bytes sent.
*
* @throws asio::system_error Thrown on failure.
*
* @par Example
* To send a single data buffer use the @ref buffer function as follows:
* @code
* asio::ip::udp::endpoint destination(
* asio::ip::address::from_string("1.2.3.4"), 12345);
* socket.send_to(asio::buffer(data, size), destination);
* @endcode
* See the @ref buffer documentation for information on sending multiple
* buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename ConstBufferSequence>
std::size_t send_to(const ConstBufferSequence& buffers,
const endpoint_type& destination)
{
asio::error_code ec;
std::size_t s = this->service.send_to(
this->implementation, buffers, destination, 0, ec);
asio::detail::throw_error(ec);
return s;
}
/// Send raw data to the specified endpoint.
/**
* This function is used to send raw data to the specified remote endpoint.
* The function call will block until the data has been sent successfully or
* an error occurs.
*
* @param buffers One or more data buffers to be sent to the remote endpoint.
*
* @param destination The remote endpoint to which the data will be sent.
*
* @param flags Flags specifying how the send call is to be made.
*
* @returns The number of bytes sent.
*
* @throws asio::system_error Thrown on failure.
*/
template <typename ConstBufferSequence>
std::size_t send_to(const ConstBufferSequence& buffers,
const endpoint_type& destination, socket_base::message_flags flags)
{
asio::error_code ec;
std::size_t s = this->service.send_to(
this->implementation, buffers, destination, flags, ec);
asio::detail::throw_error(ec);
return s;
}
/// Send raw data to the specified endpoint.
/**
* This function is used to send raw data to the specified remote endpoint.
* The function call will block until the data has been sent successfully or
* an error occurs.
*
* @param buffers One or more data buffers to be sent to the remote endpoint.
*
* @param destination The remote endpoint to which the data will be sent.
*
* @param flags Flags specifying how the send call is to be made.
*
* @param ec Set to indicate what error occurred, if any.
*
* @returns The number of bytes sent.
*/
template <typename ConstBufferSequence>
std::size_t send_to(const ConstBufferSequence& buffers,
const endpoint_type& destination, socket_base::message_flags flags,
asio::error_code& ec)
{
return this->service.send_to(this->implementation,
buffers, destination, flags, ec);
}
/// Start an asynchronous send.
/**
* This function is used to asynchronously send raw data to the specified
* remote endpoint. The function call always returns immediately.
*
* @param buffers One or more data buffers to be sent to the remote endpoint.
* Although the buffers object may be copied as necessary, ownership of the
* underlying memory blocks is retained by the caller, which must guarantee
* that they remain valid until the handler is called.
*
* @param destination The remote endpoint to which the data will be sent.
* Copies will be made of the endpoint as required.
*
* @param handler The handler to be called when the send operation completes.
* Copies will be made of the handler as required. The function signature of
* the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes sent.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*
* @par Example
* To send a single data buffer use the @ref buffer function as follows:
* @code
* asio::ip::udp::endpoint destination(
* asio::ip::address::from_string("1.2.3.4"), 12345);
* socket.async_send_to(
* asio::buffer(data, size), destination, handler);
* @endcode
* See the @ref buffer documentation for information on sending multiple
* buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename ConstBufferSequence, typename WriteHandler>
void async_send_to(const ConstBufferSequence& buffers,
const endpoint_type& destination, WriteHandler handler)
{
this->service.async_send_to(this->implementation, buffers, destination, 0,
handler);
}
/// Start an asynchronous send.
/**
* This function is used to asynchronously send raw data to the specified
* remote endpoint. The function call always returns immediately.
*
* @param buffers One or more data buffers to be sent to the remote endpoint.
* Although the buffers object may be copied as necessary, ownership of the
* underlying memory blocks is retained by the caller, which must guarantee
* that they remain valid until the handler is called.
*
* @param flags Flags specifying how the send call is to be made.
*
* @param destination The remote endpoint to which the data will be sent.
* Copies will be made of the endpoint as required.
*
* @param handler The handler to be called when the send operation completes.
* Copies will be made of the handler as required. The function signature of
* the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes sent.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*/
template <typename ConstBufferSequence, typename WriteHandler>
void async_send_to(const ConstBufferSequence& buffers,
const endpoint_type& destination, socket_base::message_flags flags,
WriteHandler handler)
{
this->service.async_send_to(this->implementation, buffers, destination,
flags, handler);
}
/// Receive some data on a connected socket.
/**
* This function is used to receive data on the raw socket. The function
* call will block until data has been received successfully or an error
* occurs.
*
* @param buffers One or more buffers into which the data will be received.
*
* @returns The number of bytes received.
*
* @throws asio::system_error Thrown on failure.
*
* @note The receive operation can only be used with a connected socket. Use
* the receive_from function to receive data on an unconnected raw
* socket.
*
* @par Example
* To receive into a single data buffer use the @ref buffer function as
* follows:
* @code socket.receive(asio::buffer(data, size)); @endcode
* See the @ref buffer documentation for information on receiving into
* multiple buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename MutableBufferSequence>
std::size_t receive(const MutableBufferSequence& buffers)
{
asio::error_code ec;
std::size_t s = this->service.receive(
this->implementation, buffers, 0, ec);
asio::detail::throw_error(ec);
return s;
}
/// Receive some data on a connected socket.
/**
* This function is used to receive data on the raw socket. The function
* call will block until data has been received successfully or an error
* occurs.
*
* @param buffers One or more buffers into which the data will be received.
*
* @param flags Flags specifying how the receive call is to be made.
*
* @returns The number of bytes received.
*
* @throws asio::system_error Thrown on failure.
*
* @note The receive operation can only be used with a connected socket. Use
* the receive_from function to receive data on an unconnected raw
* socket.
*/
template <typename MutableBufferSequence>
std::size_t receive(const MutableBufferSequence& buffers,
socket_base::message_flags flags)
{
asio::error_code ec;
std::size_t s = this->service.receive(
this->implementation, buffers, flags, ec);
asio::detail::throw_error(ec);
return s;
}
/// Receive some data on a connected socket.
/**
* This function is used to receive data on the raw socket. The function
* call will block until data has been received successfully or an error
* occurs.
*
* @param buffers One or more buffers into which the data will be received.
*
* @param flags Flags specifying how the receive call is to be made.
*
* @param ec Set to indicate what error occurred, if any.
*
* @returns The number of bytes received.
*
* @note The receive operation can only be used with a connected socket. Use
* the receive_from function to receive data on an unconnected raw
* socket.
*/
template <typename MutableBufferSequence>
std::size_t receive(const MutableBufferSequence& buffers,
socket_base::message_flags flags, asio::error_code& ec)
{
return this->service.receive(this->implementation, buffers, flags, ec);
}
/// Start an asynchronous receive on a connected socket.
/**
* This function is used to asynchronously receive data from the raw
* socket. The function call always returns immediately.
*
* @param buffers One or more buffers into which the data will be received.
* Although the buffers object may be copied as necessary, ownership of the
* underlying memory blocks is retained by the caller, which must guarantee
* that they remain valid until the handler is called.
*
* @param handler The handler to be called when the receive operation
* completes. Copies will be made of the handler as required. The function
* signature of the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes received.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*
* @note The async_receive operation can only be used with a connected socket.
* Use the async_receive_from function to receive data on an unconnected
* raw socket.
*
* @par Example
* To receive into a single data buffer use the @ref buffer function as
* follows:
* @code
* socket.async_receive(asio::buffer(data, size), handler);
* @endcode
* See the @ref buffer documentation for information on receiving into
* multiple buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename MutableBufferSequence, typename ReadHandler>
void async_receive(const MutableBufferSequence& buffers, ReadHandler handler)
{
this->service.async_receive(this->implementation, buffers, 0, handler);
}
/// Start an asynchronous receive on a connected socket.
/**
* This function is used to asynchronously receive data from the raw
* socket. The function call always returns immediately.
*
* @param buffers One or more buffers into which the data will be received.
* Although the buffers object may be copied as necessary, ownership of the
* underlying memory blocks is retained by the caller, which must guarantee
* that they remain valid until the handler is called.
*
* @param flags Flags specifying how the receive call is to be made.
*
* @param handler The handler to be called when the receive operation
* completes. Copies will be made of the handler as required. The function
* signature of the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes received.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*
* @note The async_receive operation can only be used with a connected socket.
* Use the async_receive_from function to receive data on an unconnected
* raw socket.
*/
template <typename MutableBufferSequence, typename ReadHandler>
void async_receive(const MutableBufferSequence& buffers,
socket_base::message_flags flags, ReadHandler handler)
{
this->service.async_receive(this->implementation, buffers, flags, handler);
}
/// Receive raw data with the endpoint of the sender.
/**
* This function is used to receive raw data. The function call will block
* until data has been received successfully or an error occurs.
*
* @param buffers One or more buffers into which the data will be received.
*
* @param sender_endpoint An endpoint object that receives the endpoint of
* the remote sender of the data.
*
* @returns The number of bytes received.
*
* @throws asio::system_error Thrown on failure.
*
* @par Example
* To receive into a single data buffer use the @ref buffer function as
* follows:
* @code
* asio::ip::udp::endpoint sender_endpoint;
* socket.receive_from(
* asio::buffer(data, size), sender_endpoint);
* @endcode
* See the @ref buffer documentation for information on receiving into
* multiple buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename MutableBufferSequence>
std::size_t receive_from(const MutableBufferSequence& buffers,
endpoint_type& sender_endpoint)
{
asio::error_code ec;
std::size_t s = this->service.receive_from(
this->implementation, buffers, sender_endpoint, 0, ec);
asio::detail::throw_error(ec);
return s;
}
/// Receive raw data with the endpoint of the sender.
/**
* This function is used to receive raw data. The function call will block
* until data has been received successfully or an error occurs.
*
* @param buffers One or more buffers into which the data will be received.
*
* @param sender_endpoint An endpoint object that receives the endpoint of
* the remote sender of the data.
*
* @param flags Flags specifying how the receive call is to be made.
*
* @returns The number of bytes received.
*
* @throws asio::system_error Thrown on failure.
*/
template <typename MutableBufferSequence>
std::size_t receive_from(const MutableBufferSequence& buffers,
endpoint_type& sender_endpoint, socket_base::message_flags flags)
{
asio::error_code ec;
std::size_t s = this->service.receive_from(
this->implementation, buffers, sender_endpoint, flags, ec);
asio::detail::throw_error(ec);
return s;
}
/// Receive raw data with the endpoint of the sender.
/**
* This function is used to receive raw data. The function call will block
* until data has been received successfully or an error occurs.
*
* @param buffers One or more buffers into which the data will be received.
*
* @param sender_endpoint An endpoint object that receives the endpoint of
* the remote sender of the data.
*
* @param flags Flags specifying how the receive call is to be made.
*
* @param ec Set to indicate what error occurred, if any.
*
* @returns The number of bytes received.
*/
template <typename MutableBufferSequence>
std::size_t receive_from(const MutableBufferSequence& buffers,
endpoint_type& sender_endpoint, socket_base::message_flags flags,
asio::error_code& ec)
{
return this->service.receive_from(this->implementation, buffers,
sender_endpoint, flags, ec);
}
/// Start an asynchronous receive.
/**
* This function is used to asynchronously receive raw data. The function
* call always returns immediately.
*
* @param buffers One or more buffers into which the data will be received.
* Although the buffers object may be copied as necessary, ownership of the
* underlying memory blocks is retained by the caller, which must guarantee
* that they remain valid until the handler is called.
*
* @param sender_endpoint An endpoint object that receives the endpoint of
* the remote sender of the data. Ownership of the sender_endpoint object
* is retained by the caller, which must guarantee that it is valid until the
* handler is called.
*
* @param handler The handler to be called when the receive operation
* completes. Copies will be made of the handler as required. The function
* signature of the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes received.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*
* @par Example
* To receive into a single data buffer use the @ref buffer function as
* follows:
* @code socket.async_receive_from(
* asio::buffer(data, size), 0, sender_endpoint, handler); @endcode
* See the @ref buffer documentation for information on receiving into
* multiple buffers in one go, and how to use it with arrays, boost::array or
* std::vector.
*/
template <typename MutableBufferSequence, typename ReadHandler>
void async_receive_from(const MutableBufferSequence& buffers,
endpoint_type& sender_endpoint, ReadHandler handler)
{
this->service.async_receive_from(this->implementation, buffers,
sender_endpoint, 0, handler);
}
/// Start an asynchronous receive.
/**
* This function is used to asynchronously receive raw data. The function
* call always returns immediately.
*
* @param buffers One or more buffers into which the data will be received.
* Although the buffers object may be copied as necessary, ownership of the
* underlying memory blocks is retained by the caller, which must guarantee
* that they remain valid until the handler is called.
*
* @param sender_endpoint An endpoint object that receives the endpoint of
* the remote sender of the data. Ownership of the sender_endpoint object
* is retained by the caller, which must guarantee that it is valid until the
* handler is called.
*
* @param flags Flags specifying how the receive call is to be made.
*
* @param handler The handler to be called when the receive operation
* completes. Copies will be made of the handler as required. The function
* signature of the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
* std::size_t bytes_transferred // Number of bytes received.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
* not, the handler will not be invoked from within this function. Invocation
* of the handler will be performed in a manner equivalent to using
* asio::io_service::post().
*/
template <typename MutableBufferSequence, typename ReadHandler>
void async_receive_from(const MutableBufferSequence& buffers,
endpoint_type& sender_endpoint, socket_base::message_flags flags,
ReadHandler handler)
{
this->service.async_receive_from(this->implementation, buffers,
sender_endpoint, flags, handler);
}
};
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_BASIC_RAW_SOCKET_HPP

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//
// icmp.hpp
// ~~~~~~~~
//
// Copyright (c) 2003-2008 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_IP_ICMP_HPP
#define ASIO_IP_ICMP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/push_options.hpp"
#include "asio/basic_raw_socket.hpp"
#include "asio/ip/basic_endpoint.hpp"
#include "asio/ip/basic_resolver.hpp"
#include "asio/ip/basic_resolver_iterator.hpp"
#include "asio/ip/basic_resolver_query.hpp"
#include "asio/detail/socket_types.hpp"
namespace asio {
namespace ip {
/// Encapsulates the flags needed for ICMP.
/**
* The asio::ip::icmp class contains flags necessary for ICMP sockets.
*
* @par Thread Safety
* @e Distinct @e objects: Safe.@n
* @e Shared @e objects: Safe.
*
* @par Concepts:
* Protocol, InternetProtocol.
*/
class icmp
{
public:
/// The type of a ICMP endpoint.
typedef basic_endpoint<icmp> endpoint;
/// The type of a resolver query.
typedef basic_resolver_query<icmp> resolver_query;
/// The type of a resolver iterator.
typedef basic_resolver_iterator<icmp> resolver_iterator;
/// Construct to represent the IPv4 ICMP protocol.
static icmp v4()
{
return icmp(IPPROTO_ICMP, PF_INET);
}
/// Construct to represent the IPv6 ICMP protocol.
static icmp v6()
{
return icmp(IPPROTO_ICMPV6, PF_INET6);
}
/// Obtain an identifier for the type of the protocol.
int type() const
{
return 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_;
}
/// The ICMP socket type.
typedef basic_raw_socket<icmp> socket;
/// The ICMP resolver type.
typedef basic_resolver<icmp> resolver;
/// Compare two protocols for equality.
friend bool operator==(const icmp& p1, const icmp& p2)
{
return p1.protocol_ == p2.protocol_ && p1.family_ == p2.family_;
}
/// Compare two protocols for inequality.
friend bool operator!=(const icmp& p1, const icmp& p2)
{
return p1.protocol_ != p2.protocol_ || p1.family_ != p2.family_;
}
private:
// Construct with a specific family.
explicit icmp(int protocol, int family)
: protocol_(protocol),
family_(family)
{
}
int protocol_;
int family_;
};
} // namespace ip
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_IP_ICMP_HPP

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//
// raw_socket_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 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_RAW_SOCKET_SERVICE_HPP
#define ASIO_RAW_SOCKET_SERVICE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/push_options.hpp"
#include "asio/detail/push_options.hpp"
#include <cstddef>
#include <boost/config.hpp>
#include "asio/detail/pop_options.hpp"
#include "asio/error.hpp"
#include "asio/io_service.hpp"
#include "asio/detail/epoll_reactor.hpp"
#include "asio/detail/kqueue_reactor.hpp"
#include "asio/detail/select_reactor.hpp"
#include "asio/detail/service_base.hpp"
#include "asio/detail/reactive_socket_service.hpp"
#include "asio/detail/win_iocp_socket_service.hpp"
namespace asio {
/// Default service implementation for a raw socket.
template <typename Protocol>
class raw_socket_service
#if defined(GENERATING_DOCUMENTATION)
: public asio::io_service::service
#else
: public asio::detail::service_base<raw_socket_service<Protocol> >
#endif
{
public:
#if defined(GENERATING_DOCUMENTATION)
/// The unique service identifier.
static asio::io_service::id id;
#endif
/// The protocol type.
typedef Protocol protocol_type;
/// The endpoint type.
typedef typename Protocol::endpoint endpoint_type;
private:
// The type of the platform-specific implementation.
#if defined(ASIO_HAS_IOCP)
typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
#elif defined(ASIO_HAS_EPOLL)
typedef detail::reactive_socket_service<
Protocol, detail::epoll_reactor<false> > service_impl_type;
#elif defined(ASIO_HAS_KQUEUE)
typedef detail::reactive_socket_service<
Protocol, detail::kqueue_reactor<false> > service_impl_type;
#elif defined(ASIO_HAS_DEV_POLL)
typedef detail::reactive_socket_service<
Protocol, detail::dev_poll_reactor<false> > service_impl_type;
#else
typedef detail::reactive_socket_service<
Protocol, detail::select_reactor<false> > service_impl_type;
#endif
public:
/// The type of a raw socket.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined implementation_type;
#else
typedef typename service_impl_type::implementation_type implementation_type;
#endif
/// The native socket type.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined native_type;
#else
typedef typename service_impl_type::native_type native_type;
#endif
/// Construct a new raw socket service for the specified io_service.
explicit raw_socket_service(asio::io_service& io_service)
: asio::detail::service_base<
raw_socket_service<Protocol> >(io_service),
service_impl_(asio::use_service<service_impl_type>(io_service))
{
}
/// Destroy all user-defined handler objects owned by the service.
void shutdown_service()
{
}
/// Construct a new raw socket implementation.
void construct(implementation_type& impl)
{
service_impl_.construct(impl);
}
/// Destroy a raw socket implementation.
void destroy(implementation_type& impl)
{
service_impl_.destroy(impl);
}
// Open a new raw socket implementation.
asio::error_code open(implementation_type& impl,
const protocol_type& protocol, asio::error_code& ec)
{
if (protocol.type() == SOCK_RAW)
service_impl_.open(impl, protocol, ec);
else
ec = asio::error::invalid_argument;
return ec;
}
/// Assign an existing native socket to a raw socket.
asio::error_code assign(implementation_type& impl,
const protocol_type& protocol, const native_type& native_socket,
asio::error_code& ec)
{
return service_impl_.assign(impl, protocol, native_socket, ec);
}
/// Determine whether the socket is open.
bool is_open(const implementation_type& impl) const
{
return service_impl_.is_open(impl);
}
/// Close a raw socket implementation.
asio::error_code close(implementation_type& impl,
asio::error_code& ec)
{
return service_impl_.close(impl, ec);
}
/// Get the native socket implementation.
native_type native(implementation_type& impl)
{
return service_impl_.native(impl);
}
/// Cancel all asynchronous operations associated with the socket.
asio::error_code cancel(implementation_type& impl,
asio::error_code& ec)
{
return service_impl_.cancel(impl, ec);
}
/// Determine whether the socket is at the out-of-band data mark.
bool at_mark(const implementation_type& impl,
asio::error_code& ec) const
{
return service_impl_.at_mark(impl, ec);
}
/// Determine the number of bytes available for reading.
std::size_t available(const implementation_type& impl,
asio::error_code& ec) const
{
return service_impl_.available(impl, ec);
}
// Bind the raw socket to the specified local endpoint.
asio::error_code bind(implementation_type& impl,
const endpoint_type& endpoint, asio::error_code& ec)
{
return service_impl_.bind(impl, endpoint, ec);
}
/// Connect the raw socket to the specified endpoint.
asio::error_code connect(implementation_type& impl,
const endpoint_type& peer_endpoint, asio::error_code& ec)
{
return service_impl_.connect(impl, peer_endpoint, ec);
}
/// Start an asynchronous connect.
template <typename ConnectHandler>
void async_connect(implementation_type& impl,
const endpoint_type& peer_endpoint, ConnectHandler handler)
{
service_impl_.async_connect(impl, peer_endpoint, handler);
}
/// Set a socket option.
template <typename SettableSocketOption>
asio::error_code set_option(implementation_type& impl,
const SettableSocketOption& option, asio::error_code& ec)
{
return service_impl_.set_option(impl, option, ec);
}
/// Get a socket option.
template <typename GettableSocketOption>
asio::error_code get_option(const implementation_type& impl,
GettableSocketOption& option, asio::error_code& ec) const
{
return service_impl_.get_option(impl, option, ec);
}
/// Perform an IO control command on the socket.
template <typename IoControlCommand>
asio::error_code io_control(implementation_type& impl,
IoControlCommand& command, asio::error_code& ec)
{
return service_impl_.io_control(impl, command, ec);
}
/// Get the local endpoint.
endpoint_type local_endpoint(const implementation_type& impl,
asio::error_code& ec) const
{
return service_impl_.local_endpoint(impl, ec);
}
/// Get the remote endpoint.
endpoint_type remote_endpoint(const implementation_type& impl,
asio::error_code& ec) const
{
return service_impl_.remote_endpoint(impl, ec);
}
/// Disable sends or receives on the socket.
asio::error_code shutdown(implementation_type& impl,
socket_base::shutdown_type what, asio::error_code& ec)
{
return service_impl_.shutdown(impl, what, ec);
}
/// Send the given data to the peer.
template <typename ConstBufferSequence>
std::size_t send(implementation_type& impl,
const ConstBufferSequence& buffers,
socket_base::message_flags flags, asio::error_code& ec)
{
return service_impl_.send(impl, buffers, flags, ec);
}
/// Start an asynchronous send.
template <typename ConstBufferSequence, typename WriteHandler>
void async_send(implementation_type& impl, const ConstBufferSequence& buffers,
socket_base::message_flags flags, WriteHandler handler)
{
service_impl_.async_send(impl, buffers, flags, handler);
}
/// Send raw data to the specified endpoint.
template <typename ConstBufferSequence>
std::size_t send_to(implementation_type& impl,
const ConstBufferSequence& buffers, const endpoint_type& destination,
socket_base::message_flags flags, asio::error_code& ec)
{
return service_impl_.send_to(impl, buffers, destination, flags, ec);
}
/// Start an asynchronous send.
template <typename ConstBufferSequence, typename WriteHandler>
void async_send_to(implementation_type& impl,
const ConstBufferSequence& buffers, const endpoint_type& destination,
socket_base::message_flags flags, WriteHandler handler)
{
service_impl_.async_send_to(impl, buffers, destination, flags, handler);
}
/// Receive some data from the peer.
template <typename MutableBufferSequence>
std::size_t receive(implementation_type& impl,
const MutableBufferSequence& buffers,
socket_base::message_flags flags, asio::error_code& ec)
{
return service_impl_.receive(impl, buffers, flags, ec);
}
/// Start an asynchronous receive.
template <typename MutableBufferSequence, typename ReadHandler>
void async_receive(implementation_type& impl,
const MutableBufferSequence& buffers,
socket_base::message_flags flags, ReadHandler handler)
{
service_impl_.async_receive(impl, buffers, flags, handler);
}
/// Receive raw data with the endpoint of the sender.
template <typename MutableBufferSequence>
std::size_t receive_from(implementation_type& impl,
const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
socket_base::message_flags flags, asio::error_code& ec)
{
return service_impl_.receive_from(impl, buffers, sender_endpoint, flags,
ec);
}
/// Start an asynchronous receive that will get the endpoint of the sender.
template <typename MutableBufferSequence, typename ReadHandler>
void async_receive_from(implementation_type& impl,
const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
socket_base::message_flags flags, ReadHandler handler)
{
service_impl_.async_receive_from(impl, buffers, sender_endpoint, flags,
handler);
}
private:
// The service that provides the platform-specific implementation.
service_impl_type& service_impl_;
};
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_RAW_SOCKET_SERVICE_HPP