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//
// stream_service.hpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
// Copyright (c) 2005-2010 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_SSL_STREAM_SERVICE_HPP
#define ASIO_SSL_STREAM_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 <boost/noncopyable.hpp>
#include "asio/detail/pop_options.hpp"
#include "asio/io_service.hpp"
#include "asio/detail/service_base.hpp"
#include "asio/ssl/basic_context.hpp"
#include "asio/ssl/stream_base.hpp"
#include "asio/ssl/detail/openssl_stream_service.hpp"
namespace asio {
namespace ssl {
/// Default service implementation for an SSL stream.
class stream_service
#if defined(GENERATING_DOCUMENTATION)
: public asio::io_service::service
#else
: public asio::detail::service_base<stream_service>
#endif
{
private:
// The type of the platform-specific implementation.
typedef detail::openssl_stream_service service_impl_type;
public:
#if defined(GENERATING_DOCUMENTATION)
/// The unique service identifier.
static asio::io_service::id id;
#endif
/// The type of a stream implementation.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined impl_type;
#else
typedef service_impl_type::impl_type impl_type;
#endif
/// Construct a new stream service for the specified io_service.
explicit stream_service(asio::io_service& io_service)
: asio::detail::service_base<stream_service>(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()
{
}
/// Return a null stream implementation.
impl_type null() const
{
return service_impl_.null();
}
/// Create a new stream implementation.
template <typename Stream, typename Context_Service>
void create(impl_type& impl, Stream& next_layer,
basic_context<Context_Service>& context)
{
service_impl_.create(impl, next_layer, context);
}
/// Destroy a stream implementation.
template <typename Stream>
void destroy(impl_type& impl, Stream& next_layer)
{
service_impl_.destroy(impl, next_layer);
}
/// Perform SSL handshaking.
template <typename Stream>
asio::error_code handshake(impl_type& impl, Stream& next_layer,
stream_base::handshake_type type, asio::error_code& ec)
{
return service_impl_.handshake(impl, next_layer, type, ec);
}
/// Start an asynchronous SSL handshake.
template <typename Stream, typename HandshakeHandler>
void async_handshake(impl_type& impl, Stream& next_layer,
stream_base::handshake_type type, HandshakeHandler handler)
{
service_impl_.async_handshake(impl, next_layer, type, handler);
}
/// Shut down SSL on the stream.
template <typename Stream>
asio::error_code shutdown(impl_type& impl, Stream& next_layer,
asio::error_code& ec)
{
return service_impl_.shutdown(impl, next_layer, ec);
}
/// Asynchronously shut down SSL on the stream.
template <typename Stream, typename ShutdownHandler>
void async_shutdown(impl_type& impl, Stream& next_layer,
ShutdownHandler handler)
{
service_impl_.async_shutdown(impl, next_layer, handler);
}
/// Write some data to the stream.
template <typename Stream, typename ConstBufferSequence>
std::size_t write_some(impl_type& impl, Stream& next_layer,
const ConstBufferSequence& buffers, asio::error_code& ec)
{
return service_impl_.write_some(impl, next_layer, buffers, ec);
}
/// Start an asynchronous write.
template <typename Stream, typename ConstBufferSequence,
typename WriteHandler>
void async_write_some(impl_type& impl, Stream& next_layer,
const ConstBufferSequence& buffers, WriteHandler handler)
{
service_impl_.async_write_some(impl, next_layer, buffers, handler);
}
/// Read some data from the stream.
template <typename Stream, typename MutableBufferSequence>
std::size_t read_some(impl_type& impl, Stream& next_layer,
const MutableBufferSequence& buffers, asio::error_code& ec)
{
return service_impl_.read_some(impl, next_layer, buffers, ec);
}
/// Start an asynchronous read.
template <typename Stream, typename MutableBufferSequence,
typename ReadHandler>
void async_read_some(impl_type& impl, Stream& next_layer,
const MutableBufferSequence& buffers, ReadHandler handler)
{
service_impl_.async_read_some(impl, next_layer, buffers, handler);
}
/// Peek at the incoming data on the stream.
template <typename Stream, typename MutableBufferSequence>
std::size_t peek(impl_type& impl, Stream& next_layer,
const MutableBufferSequence& buffers, asio::error_code& ec)
{
return service_impl_.peek(impl, next_layer, buffers, ec);
}
/// Determine the amount of data that may be read without blocking.
template <typename Stream>
std::size_t in_avail(impl_type& impl, Stream& next_layer,
asio::error_code& ec)
{
return service_impl_.in_avail(impl, next_layer, ec);
}
private:
// The service that provides the platform-specific implementation.
service_impl_type& service_impl_;
};
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_SSL_STREAM_SERVICE_HPP
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