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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-13 10:29:39 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-13 10:29:39 +0200
commita5c50a4f262f0a880734623f79d4dc2f1aa8a0a2 (patch)
tree1772ef47d98a68245c3d04d95637e5b9c1040904 /lib/asio/detail/reactive_descriptor_service.hpp
parent69aba72f0883c5effb5c3c2991d0c5257deb7409 (diff)
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Pull in files from odr-mmbtools-common
Replace ASIO by simpler implementation, meaning that the telnet RC now only supports a single connection. Move Log, RC to lib/
Diffstat (limited to 'lib/asio/detail/reactive_descriptor_service.hpp')
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1 files changed, 0 insertions, 388 deletions
diff --git a/lib/asio/detail/reactive_descriptor_service.hpp b/lib/asio/detail/reactive_descriptor_service.hpp
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-//
-// detail/reactive_descriptor_service.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_DETAIL_REACTIVE_DESCRIPTOR_SERVICE_HPP
-#define ASIO_DETAIL_REACTIVE_DESCRIPTOR_SERVICE_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_WINDOWS) \
- && !defined(ASIO_WINDOWS_RUNTIME) \
- && !defined(__CYGWIN__)
-
-#include "asio/buffer.hpp"
-#include "asio/io_context.hpp"
-#include "asio/detail/bind_handler.hpp"
-#include "asio/detail/buffer_sequence_adapter.hpp"
-#include "asio/detail/descriptor_ops.hpp"
-#include "asio/detail/descriptor_read_op.hpp"
-#include "asio/detail/descriptor_write_op.hpp"
-#include "asio/detail/fenced_block.hpp"
-#include "asio/detail/memory.hpp"
-#include "asio/detail/noncopyable.hpp"
-#include "asio/detail/reactive_null_buffers_op.hpp"
-#include "asio/detail/reactive_wait_op.hpp"
-#include "asio/detail/reactor.hpp"
-#include "asio/posix/descriptor_base.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-class reactive_descriptor_service :
- public service_base<reactive_descriptor_service>
-{
-public:
- // The native type of a descriptor.
- typedef int native_handle_type;
-
- // The implementation type of the descriptor.
- class implementation_type
- : private asio::detail::noncopyable
- {
- public:
- // Default constructor.
- implementation_type()
- : descriptor_(-1),
- state_(0)
- {
- }
-
- private:
- // Only this service will have access to the internal values.
- friend class reactive_descriptor_service;
-
- // The native descriptor representation.
- int descriptor_;
-
- // The current state of the descriptor.
- descriptor_ops::state_type state_;
-
- // Per-descriptor data used by the reactor.
- reactor::per_descriptor_data reactor_data_;
- };
-
- // Constructor.
- ASIO_DECL reactive_descriptor_service(
- asio::io_context& io_context);
-
- // Destroy all user-defined handler objects owned by the service.
- ASIO_DECL void shutdown();
-
- // Construct a new descriptor implementation.
- ASIO_DECL void construct(implementation_type& impl);
-
- // Move-construct a new descriptor implementation.
- ASIO_DECL void move_construct(implementation_type& impl,
- implementation_type& other_impl);
-
- // Move-assign from another descriptor implementation.
- ASIO_DECL void move_assign(implementation_type& impl,
- reactive_descriptor_service& other_service,
- implementation_type& other_impl);
-
- // Destroy a descriptor implementation.
- ASIO_DECL void destroy(implementation_type& impl);
-
- // Assign a native descriptor to a descriptor implementation.
- ASIO_DECL asio::error_code assign(implementation_type& impl,
- const native_handle_type& native_descriptor,
- asio::error_code& ec);
-
- // Determine whether the descriptor is open.
- bool is_open(const implementation_type& impl) const
- {
- return impl.descriptor_ != -1;
- }
-
- // Destroy a descriptor implementation.
- ASIO_DECL asio::error_code close(implementation_type& impl,
- asio::error_code& ec);
-
- // Get the native descriptor representation.
- native_handle_type native_handle(const implementation_type& impl) const
- {
- return impl.descriptor_;
- }
-
- // Release ownership of the native descriptor representation.
- ASIO_DECL native_handle_type release(implementation_type& impl);
-
- // Cancel all operations associated with the descriptor.
- ASIO_DECL asio::error_code cancel(implementation_type& impl,
- asio::error_code& ec);
-
- // Perform an IO control command on the descriptor.
- template <typename IO_Control_Command>
- asio::error_code io_control(implementation_type& impl,
- IO_Control_Command& command, asio::error_code& ec)
- {
- descriptor_ops::ioctl(impl.descriptor_, impl.state_,
- command.name(), static_cast<ioctl_arg_type*>(command.data()), ec);
- return ec;
- }
-
- // Gets the non-blocking mode of the descriptor.
- bool non_blocking(const implementation_type& impl) const
- {
- return (impl.state_ & descriptor_ops::user_set_non_blocking) != 0;
- }
-
- // Sets the non-blocking mode of the descriptor.
- asio::error_code non_blocking(implementation_type& impl,
- bool mode, asio::error_code& ec)
- {
- descriptor_ops::set_user_non_blocking(
- impl.descriptor_, impl.state_, mode, ec);
- return ec;
- }
-
- // Gets the non-blocking mode of the native descriptor implementation.
- bool native_non_blocking(const implementation_type& impl) const
- {
- return (impl.state_ & descriptor_ops::internal_non_blocking) != 0;
- }
-
- // Sets the non-blocking mode of the native descriptor implementation.
- asio::error_code native_non_blocking(implementation_type& impl,
- bool mode, asio::error_code& ec)
- {
- descriptor_ops::set_internal_non_blocking(
- impl.descriptor_, impl.state_, mode, ec);
- return ec;
- }
-
- // Wait for the descriptor to become ready to read, ready to write, or to have
- // pending error conditions.
- asio::error_code wait(implementation_type& impl,
- posix::descriptor_base::wait_type w, asio::error_code& ec)
- {
- switch (w)
- {
- case posix::descriptor_base::wait_read:
- descriptor_ops::poll_read(impl.descriptor_, impl.state_, ec);
- break;
- case posix::descriptor_base::wait_write:
- descriptor_ops::poll_write(impl.descriptor_, impl.state_, ec);
- break;
- case posix::descriptor_base::wait_error:
- descriptor_ops::poll_error(impl.descriptor_, impl.state_, ec);
- break;
- default:
- ec = asio::error::invalid_argument;
- break;
- }
-
- return ec;
- }
-
- // Asynchronously wait for the descriptor to become ready to read, ready to
- // write, or to have pending error conditions.
- template <typename Handler>
- void async_wait(implementation_type& impl,
- posix::descriptor_base::wait_type w, Handler& handler)
- {
- bool is_continuation =
- asio_handler_cont_helpers::is_continuation(handler);
-
- // Allocate and construct an operation to wrap the handler.
- typedef reactive_wait_op<Handler> op;
- typename op::ptr p = { asio::detail::addressof(handler),
- op::ptr::allocate(handler), 0 };
- p.p = new (p.v) op(handler);
-
- ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
- &impl, impl.descriptor_, "async_wait"));
-
- int op_type;
- switch (w)
- {
- case posix::descriptor_base::wait_read:
- op_type = reactor::read_op;
- break;
- case posix::descriptor_base::wait_write:
- op_type = reactor::write_op;
- break;
- case posix::descriptor_base::wait_error:
- op_type = reactor::except_op;
- break;
- default:
- p.p->ec_ = asio::error::invalid_argument;
- reactor_.post_immediate_completion(p.p, is_continuation);
- p.v = p.p = 0;
- return;
- }
-
- start_op(impl, op_type, p.p, is_continuation, false, false);
- p.v = p.p = 0;
- }
-
- // Write some data to the descriptor.
- template <typename ConstBufferSequence>
- size_t write_some(implementation_type& impl,
- const ConstBufferSequence& buffers, asio::error_code& ec)
- {
- buffer_sequence_adapter<asio::const_buffer,
- ConstBufferSequence> bufs(buffers);
-
- return descriptor_ops::sync_write(impl.descriptor_, impl.state_,
- bufs.buffers(), bufs.count(), bufs.all_empty(), ec);
- }
-
- // Wait until data can be written without blocking.
- size_t write_some(implementation_type& impl,
- const null_buffers&, asio::error_code& ec)
- {
- // Wait for descriptor to become ready.
- descriptor_ops::poll_write(impl.descriptor_, impl.state_, ec);
-
- return 0;
- }
-
- // Start an asynchronous write. The data being sent must be valid for the
- // lifetime of the asynchronous operation.
- template <typename ConstBufferSequence, typename Handler>
- void async_write_some(implementation_type& impl,
- const ConstBufferSequence& buffers, Handler& handler)
- {
- bool is_continuation =
- asio_handler_cont_helpers::is_continuation(handler);
-
- // Allocate and construct an operation to wrap the handler.
- typedef descriptor_write_op<ConstBufferSequence, Handler> op;
- typename op::ptr p = { asio::detail::addressof(handler),
- op::ptr::allocate(handler), 0 };
- p.p = new (p.v) op(impl.descriptor_, buffers, handler);
-
- ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
- &impl, impl.descriptor_, "async_write_some"));
-
- start_op(impl, reactor::write_op, p.p, is_continuation, true,
- buffer_sequence_adapter<asio::const_buffer,
- ConstBufferSequence>::all_empty(buffers));
- p.v = p.p = 0;
- }
-
- // Start an asynchronous wait until data can be written without blocking.
- template <typename Handler>
- void async_write_some(implementation_type& impl,
- const null_buffers&, Handler& handler)
- {
- bool is_continuation =
- asio_handler_cont_helpers::is_continuation(handler);
-
- // Allocate and construct an operation to wrap the handler.
- typedef reactive_null_buffers_op<Handler> op;
- typename op::ptr p = { asio::detail::addressof(handler),
- op::ptr::allocate(handler), 0 };
- p.p = new (p.v) op(handler);
-
- ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
- &impl, impl.descriptor_, "async_write_some(null_buffers)"));
-
- start_op(impl, reactor::write_op, p.p, is_continuation, false, false);
- p.v = p.p = 0;
- }
-
- // Read some data from the stream. Returns the number of bytes read.
- template <typename MutableBufferSequence>
- size_t read_some(implementation_type& impl,
- const MutableBufferSequence& buffers, asio::error_code& ec)
- {
- buffer_sequence_adapter<asio::mutable_buffer,
- MutableBufferSequence> bufs(buffers);
-
- return descriptor_ops::sync_read(impl.descriptor_, impl.state_,
- bufs.buffers(), bufs.count(), bufs.all_empty(), ec);
- }
-
- // Wait until data can be read without blocking.
- size_t read_some(implementation_type& impl,
- const null_buffers&, asio::error_code& ec)
- {
- // Wait for descriptor to become ready.
- descriptor_ops::poll_read(impl.descriptor_, impl.state_, ec);
-
- return 0;
- }
-
- // Start an asynchronous read. The buffer for the data being read must be
- // valid for the lifetime of the asynchronous operation.
- template <typename MutableBufferSequence, typename Handler>
- void async_read_some(implementation_type& impl,
- const MutableBufferSequence& buffers, Handler& handler)
- {
- bool is_continuation =
- asio_handler_cont_helpers::is_continuation(handler);
-
- // Allocate and construct an operation to wrap the handler.
- typedef descriptor_read_op<MutableBufferSequence, Handler> op;
- typename op::ptr p = { asio::detail::addressof(handler),
- op::ptr::allocate(handler), 0 };
- p.p = new (p.v) op(impl.descriptor_, buffers, handler);
-
- ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
- &impl, impl.descriptor_, "async_read_some"));
-
- start_op(impl, reactor::read_op, p.p, is_continuation, true,
- buffer_sequence_adapter<asio::mutable_buffer,
- MutableBufferSequence>::all_empty(buffers));
- p.v = p.p = 0;
- }
-
- // Wait until data can be read without blocking.
- template <typename Handler>
- void async_read_some(implementation_type& impl,
- const null_buffers&, Handler& handler)
- {
- bool is_continuation =
- asio_handler_cont_helpers::is_continuation(handler);
-
- // Allocate and construct an operation to wrap the handler.
- typedef reactive_null_buffers_op<Handler> op;
- typename op::ptr p = { asio::detail::addressof(handler),
- op::ptr::allocate(handler), 0 };
- p.p = new (p.v) op(handler);
-
- ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
- &impl, impl.descriptor_, "async_read_some(null_buffers)"));
-
- start_op(impl, reactor::read_op, p.p, is_continuation, false, false);
- p.v = p.p = 0;
- }
-
-private:
- // Start the asynchronous operation.
- ASIO_DECL void start_op(implementation_type& impl, int op_type,
- reactor_op* op, bool is_continuation, bool is_non_blocking, bool noop);
-
- // The selector that performs event demultiplexing for the service.
- reactor& reactor_;
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#if defined(ASIO_HEADER_ONLY)
-# include "asio/detail/impl/reactive_descriptor_service.ipp"
-#endif // defined(ASIO_HEADER_ONLY)
-
-#endif // !defined(ASIO_WINDOWS)
- // && !defined(ASIO_WINDOWS_RUNTIME)
- // && !defined(__CYGWIN__)
-
-#endif // ASIO_DETAIL_REACTIVE_DESCRIPTOR_SERVICE_HPP