diff options
Diffstat (limited to 'lib/asio/detail/win_iocp_socket_service.hpp')
| -rw-r--r-- | lib/asio/detail/win_iocp_socket_service.hpp | 599 |
1 files changed, 0 insertions, 599 deletions
diff --git a/lib/asio/detail/win_iocp_socket_service.hpp b/lib/asio/detail/win_iocp_socket_service.hpp deleted file mode 100644 index 3f01b4d..0000000 --- a/lib/asio/detail/win_iocp_socket_service.hpp +++ /dev/null @@ -1,599 +0,0 @@ -// -// detail/win_iocp_socket_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_WIN_IOCP_SOCKET_SERVICE_HPP -#define ASIO_DETAIL_WIN_IOCP_SOCKET_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_HAS_IOCP) - -#include <cstring> -#include "asio/error.hpp" -#include "asio/io_context.hpp" -#include "asio/socket_base.hpp" -#include "asio/detail/bind_handler.hpp" -#include "asio/detail/buffer_sequence_adapter.hpp" -#include "asio/detail/fenced_block.hpp" -#include "asio/detail/handler_alloc_helpers.hpp" -#include "asio/detail/handler_invoke_helpers.hpp" -#include "asio/detail/memory.hpp" -#include "asio/detail/mutex.hpp" -#include "asio/detail/operation.hpp" -#include "asio/detail/reactor_op.hpp" -#include "asio/detail/select_reactor.hpp" -#include "asio/detail/socket_holder.hpp" -#include "asio/detail/socket_ops.hpp" -#include "asio/detail/socket_types.hpp" -#include "asio/detail/win_iocp_io_context.hpp" -#include "asio/detail/win_iocp_null_buffers_op.hpp" -#include "asio/detail/win_iocp_socket_accept_op.hpp" -#include "asio/detail/win_iocp_socket_connect_op.hpp" -#include "asio/detail/win_iocp_socket_recvfrom_op.hpp" -#include "asio/detail/win_iocp_socket_send_op.hpp" -#include "asio/detail/win_iocp_socket_service_base.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -template <typename Protocol> -class win_iocp_socket_service : - public service_base<win_iocp_socket_service<Protocol> >, - public win_iocp_socket_service_base -{ -public: - // The protocol type. - typedef Protocol protocol_type; - - // The endpoint type. - typedef typename Protocol::endpoint endpoint_type; - - // The native type of a socket. - class native_handle_type - { - public: - native_handle_type(socket_type s) - : socket_(s), - have_remote_endpoint_(false) - { - } - - native_handle_type(socket_type s, const endpoint_type& ep) - : socket_(s), - have_remote_endpoint_(true), - remote_endpoint_(ep) - { - } - - void operator=(socket_type s) - { - socket_ = s; - have_remote_endpoint_ = false; - remote_endpoint_ = endpoint_type(); - } - - operator socket_type() const - { - return socket_; - } - - bool have_remote_endpoint() const - { - return have_remote_endpoint_; - } - - endpoint_type remote_endpoint() const - { - return remote_endpoint_; - } - - private: - socket_type socket_; - bool have_remote_endpoint_; - endpoint_type remote_endpoint_; - }; - - // The implementation type of the socket. - struct implementation_type : - win_iocp_socket_service_base::base_implementation_type - { - // Default constructor. - implementation_type() - : protocol_(endpoint_type().protocol()), - have_remote_endpoint_(false), - remote_endpoint_() - { - } - - // The protocol associated with the socket. - protocol_type protocol_; - - // Whether we have a cached remote endpoint. - bool have_remote_endpoint_; - - // A cached remote endpoint. - endpoint_type remote_endpoint_; - }; - - // Constructor. - win_iocp_socket_service(asio::io_context& io_context) - : service_base<win_iocp_socket_service<Protocol> >(io_context), - win_iocp_socket_service_base(io_context) - { - } - - // Destroy all user-defined handler objects owned by the service. - void shutdown() - { - this->base_shutdown(); - } - - // Move-construct a new socket implementation. - void move_construct(implementation_type& impl, - implementation_type& other_impl) - { - this->base_move_construct(impl, other_impl); - - impl.protocol_ = other_impl.protocol_; - other_impl.protocol_ = endpoint_type().protocol(); - - impl.have_remote_endpoint_ = other_impl.have_remote_endpoint_; - other_impl.have_remote_endpoint_ = false; - - impl.remote_endpoint_ = other_impl.remote_endpoint_; - other_impl.remote_endpoint_ = endpoint_type(); - } - - // Move-assign from another socket implementation. - void move_assign(implementation_type& impl, - win_iocp_socket_service_base& other_service, - implementation_type& other_impl) - { - this->base_move_assign(impl, other_service, other_impl); - - impl.protocol_ = other_impl.protocol_; - other_impl.protocol_ = endpoint_type().protocol(); - - impl.have_remote_endpoint_ = other_impl.have_remote_endpoint_; - other_impl.have_remote_endpoint_ = false; - - impl.remote_endpoint_ = other_impl.remote_endpoint_; - other_impl.remote_endpoint_ = endpoint_type(); - } - - // Move-construct a new socket implementation from another protocol type. - template <typename Protocol1> - void converting_move_construct(implementation_type& impl, - win_iocp_socket_service<Protocol1>&, - typename win_iocp_socket_service< - Protocol1>::implementation_type& other_impl) - { - this->base_move_construct(impl, other_impl); - - impl.protocol_ = protocol_type(other_impl.protocol_); - other_impl.protocol_ = typename Protocol1::endpoint().protocol(); - - impl.have_remote_endpoint_ = other_impl.have_remote_endpoint_; - other_impl.have_remote_endpoint_ = false; - - impl.remote_endpoint_ = other_impl.remote_endpoint_; - other_impl.remote_endpoint_ = typename Protocol1::endpoint(); - } - - // Open a new socket implementation. - asio::error_code open(implementation_type& impl, - const protocol_type& protocol, asio::error_code& ec) - { - if (!do_open(impl, protocol.family(), - protocol.type(), protocol.protocol(), ec)) - { - impl.protocol_ = protocol; - impl.have_remote_endpoint_ = false; - impl.remote_endpoint_ = endpoint_type(); - } - return ec; - } - - // Assign a native socket to a socket implementation. - asio::error_code assign(implementation_type& impl, - const protocol_type& protocol, const native_handle_type& native_socket, - asio::error_code& ec) - { - if (!do_assign(impl, protocol.type(), native_socket, ec)) - { - impl.protocol_ = protocol; - impl.have_remote_endpoint_ = native_socket.have_remote_endpoint(); - impl.remote_endpoint_ = native_socket.remote_endpoint(); - } - return ec; - } - - // Get the native socket representation. - native_handle_type native_handle(implementation_type& impl) - { - if (impl.have_remote_endpoint_) - return native_handle_type(impl.socket_, impl.remote_endpoint_); - return native_handle_type(impl.socket_); - } - - // Bind the socket to the specified local endpoint. - asio::error_code bind(implementation_type& impl, - const endpoint_type& endpoint, asio::error_code& ec) - { - socket_ops::bind(impl.socket_, endpoint.data(), endpoint.size(), ec); - return ec; - } - - // Set a socket option. - template <typename Option> - asio::error_code set_option(implementation_type& impl, - const Option& option, asio::error_code& ec) - { - socket_ops::setsockopt(impl.socket_, impl.state_, - option.level(impl.protocol_), option.name(impl.protocol_), - option.data(impl.protocol_), option.size(impl.protocol_), ec); - return ec; - } - - // Set a socket option. - template <typename Option> - asio::error_code get_option(const implementation_type& impl, - Option& option, asio::error_code& ec) const - { - std::size_t size = option.size(impl.protocol_); - socket_ops::getsockopt(impl.socket_, impl.state_, - option.level(impl.protocol_), option.name(impl.protocol_), - option.data(impl.protocol_), &size, ec); - if (!ec) - option.resize(impl.protocol_, size); - return ec; - } - - // Get the local endpoint. - endpoint_type local_endpoint(const implementation_type& impl, - asio::error_code& ec) const - { - endpoint_type endpoint; - std::size_t addr_len = endpoint.capacity(); - if (socket_ops::getsockname(impl.socket_, endpoint.data(), &addr_len, ec)) - return endpoint_type(); - endpoint.resize(addr_len); - return endpoint; - } - - // Get the remote endpoint. - endpoint_type remote_endpoint(const implementation_type& impl, - asio::error_code& ec) const - { - endpoint_type endpoint = impl.remote_endpoint_; - std::size_t addr_len = endpoint.capacity(); - if (socket_ops::getpeername(impl.socket_, endpoint.data(), - &addr_len, impl.have_remote_endpoint_, ec)) - return endpoint_type(); - endpoint.resize(addr_len); - return endpoint; - } - - // Disable sends or receives on the socket. - asio::error_code shutdown(base_implementation_type& impl, - socket_base::shutdown_type what, asio::error_code& ec) - { - socket_ops::shutdown(impl.socket_, what, ec); - return ec; - } - - // Send a datagram to the specified endpoint. Returns the number of bytes - // sent. - template <typename ConstBufferSequence> - size_t send_to(implementation_type& impl, const ConstBufferSequence& buffers, - const endpoint_type& destination, socket_base::message_flags flags, - asio::error_code& ec) - { - buffer_sequence_adapter<asio::const_buffer, - ConstBufferSequence> bufs(buffers); - - return socket_ops::sync_sendto(impl.socket_, impl.state_, - bufs.buffers(), bufs.count(), flags, - destination.data(), destination.size(), ec); - } - - // Wait until data can be sent without blocking. - size_t send_to(implementation_type& impl, const null_buffers&, - const endpoint_type&, socket_base::message_flags, - asio::error_code& ec) - { - // Wait for socket to become ready. - socket_ops::poll_write(impl.socket_, impl.state_, -1, ec); - - return 0; - } - - // Start an asynchronous send. The data being sent must be valid for the - // lifetime of the asynchronous operation. - template <typename ConstBufferSequence, typename Handler> - void async_send_to(implementation_type& impl, - const ConstBufferSequence& buffers, const endpoint_type& destination, - socket_base::message_flags flags, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_socket_send_op<ConstBufferSequence, Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - p.p = new (p.v) op(impl.cancel_token_, buffers, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_send_to")); - - buffer_sequence_adapter<asio::const_buffer, - ConstBufferSequence> bufs(buffers); - - start_send_to_op(impl, bufs.buffers(), bufs.count(), - destination.data(), static_cast<int>(destination.size()), - flags, p.p); - p.v = p.p = 0; - } - - // Start an asynchronous wait until data can be sent without blocking. - template <typename Handler> - void async_send_to(implementation_type& impl, const null_buffers&, - const endpoint_type&, socket_base::message_flags, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_null_buffers_op<Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - p.p = new (p.v) op(impl.cancel_token_, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_send_to(null_buffers)")); - - start_reactor_op(impl, select_reactor::write_op, p.p); - p.v = p.p = 0; - } - - // Receive a datagram with the endpoint of the sender. Returns the number of - // bytes received. - template <typename MutableBufferSequence> - size_t receive_from(implementation_type& impl, - const MutableBufferSequence& buffers, - endpoint_type& sender_endpoint, socket_base::message_flags flags, - asio::error_code& ec) - { - buffer_sequence_adapter<asio::mutable_buffer, - MutableBufferSequence> bufs(buffers); - - std::size_t addr_len = sender_endpoint.capacity(); - std::size_t bytes_recvd = socket_ops::sync_recvfrom( - impl.socket_, impl.state_, bufs.buffers(), bufs.count(), - flags, sender_endpoint.data(), &addr_len, ec); - - if (!ec) - sender_endpoint.resize(addr_len); - - return bytes_recvd; - } - - // Wait until data can be received without blocking. - size_t receive_from(implementation_type& impl, - const null_buffers&, endpoint_type& sender_endpoint, - socket_base::message_flags, asio::error_code& ec) - { - // Wait for socket to become ready. - socket_ops::poll_read(impl.socket_, impl.state_, -1, ec); - - // Reset endpoint since it can be given no sensible value at this time. - sender_endpoint = endpoint_type(); - - return 0; - } - - // Start an asynchronous receive. The buffer for the data being received and - // the sender_endpoint object must both be valid for the lifetime of the - // asynchronous operation. - template <typename MutableBufferSequence, typename Handler> - void async_receive_from(implementation_type& impl, - const MutableBufferSequence& buffers, endpoint_type& sender_endp, - socket_base::message_flags flags, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_socket_recvfrom_op< - MutableBufferSequence, endpoint_type, Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - p.p = new (p.v) op(sender_endp, impl.cancel_token_, buffers, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_receive_from")); - - buffer_sequence_adapter<asio::mutable_buffer, - MutableBufferSequence> bufs(buffers); - - start_receive_from_op(impl, bufs.buffers(), bufs.count(), - sender_endp.data(), flags, &p.p->endpoint_size(), p.p); - p.v = p.p = 0; - } - - // Wait until data can be received without blocking. - template <typename Handler> - void async_receive_from(implementation_type& impl, - const null_buffers&, endpoint_type& sender_endpoint, - socket_base::message_flags flags, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_null_buffers_op<Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - p.p = new (p.v) op(impl.cancel_token_, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_receive_from(null_buffers)")); - - // Reset endpoint since it can be given no sensible value at this time. - sender_endpoint = endpoint_type(); - - start_null_buffers_receive_op(impl, flags, p.p); - p.v = p.p = 0; - } - - // Accept a new connection. - template <typename Socket> - asio::error_code accept(implementation_type& impl, Socket& peer, - endpoint_type* peer_endpoint, asio::error_code& ec) - { - // We cannot accept a socket that is already open. - if (peer.is_open()) - { - ec = asio::error::already_open; - return ec; - } - - std::size_t addr_len = peer_endpoint ? peer_endpoint->capacity() : 0; - socket_holder new_socket(socket_ops::sync_accept(impl.socket_, - impl.state_, peer_endpoint ? peer_endpoint->data() : 0, - peer_endpoint ? &addr_len : 0, ec)); - - // On success, assign new connection to peer socket object. - if (new_socket.get() != invalid_socket) - { - if (peer_endpoint) - peer_endpoint->resize(addr_len); - peer.assign(impl.protocol_, new_socket.get(), ec); - if (!ec) - new_socket.release(); - } - - return ec; - } - -#if defined(ASIO_HAS_MOVE) - // Accept a new connection. - typename Protocol::socket accept(implementation_type& impl, - io_context* peer_io_context, endpoint_type* peer_endpoint, - asio::error_code& ec) - { - typename Protocol::socket peer( - peer_io_context ? *peer_io_context : io_context_); - - std::size_t addr_len = peer_endpoint ? peer_endpoint->capacity() : 0; - socket_holder new_socket(socket_ops::sync_accept(impl.socket_, - impl.state_, peer_endpoint ? peer_endpoint->data() : 0, - peer_endpoint ? &addr_len : 0, ec)); - - // On success, assign new connection to peer socket object. - if (new_socket.get() != invalid_socket) - { - if (peer_endpoint) - peer_endpoint->resize(addr_len); - peer.assign(impl.protocol_, new_socket.get(), ec); - if (!ec) - new_socket.release(); - } - - return peer; - } -#endif // defined(ASIO_HAS_MOVE) - - // Start an asynchronous accept. The peer and peer_endpoint objects - // must be valid until the accept's handler is invoked. - template <typename Socket, typename Handler> - void async_accept(implementation_type& impl, Socket& peer, - endpoint_type* peer_endpoint, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_socket_accept_op<Socket, protocol_type, Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - bool enable_connection_aborted = - (impl.state_ & socket_ops::enable_connection_aborted) != 0; - p.p = new (p.v) op(*this, impl.socket_, peer, impl.protocol_, - peer_endpoint, enable_connection_aborted, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_accept")); - - start_accept_op(impl, peer.is_open(), p.p->new_socket(), - impl.protocol_.family(), impl.protocol_.type(), - impl.protocol_.protocol(), p.p->output_buffer(), - p.p->address_length(), p.p); - p.v = p.p = 0; - } - -#if defined(ASIO_HAS_MOVE) - // Start an asynchronous accept. The peer and peer_endpoint objects - // must be valid until the accept's handler is invoked. - template <typename Handler> - void async_accept(implementation_type& impl, - asio::io_context* peer_io_context, - endpoint_type* peer_endpoint, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_socket_move_accept_op<protocol_type, Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - bool enable_connection_aborted = - (impl.state_ & socket_ops::enable_connection_aborted) != 0; - p.p = new (p.v) op(*this, impl.socket_, impl.protocol_, - peer_io_context ? *peer_io_context : io_context_, - peer_endpoint, enable_connection_aborted, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_accept")); - - start_accept_op(impl, false, p.p->new_socket(), - impl.protocol_.family(), impl.protocol_.type(), - impl.protocol_.protocol(), p.p->output_buffer(), - p.p->address_length(), p.p); - p.v = p.p = 0; - } -#endif // defined(ASIO_HAS_MOVE) - - // Connect the socket to the specified endpoint. - asio::error_code connect(implementation_type& impl, - const endpoint_type& peer_endpoint, asio::error_code& ec) - { - socket_ops::sync_connect(impl.socket_, - peer_endpoint.data(), peer_endpoint.size(), ec); - return ec; - } - - // Start an asynchronous connect. - template <typename Handler> - void async_connect(implementation_type& impl, - const endpoint_type& peer_endpoint, Handler& handler) - { - // Allocate and construct an operation to wrap the handler. - typedef win_iocp_socket_connect_op<Handler> op; - typename op::ptr p = { asio::detail::addressof(handler), - op::ptr::allocate(handler), 0 }; - p.p = new (p.v) op(impl.socket_, handler); - - ASIO_HANDLER_CREATION((io_context_, *p.p, "socket", - &impl, impl.socket_, "async_connect")); - - start_connect_op(impl, impl.protocol_.family(), impl.protocol_.type(), - peer_endpoint.data(), static_cast<int>(peer_endpoint.size()), p.p); - p.v = p.p = 0; - } -}; - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // defined(ASIO_HAS_IOCP) - -#endif // ASIO_DETAIL_WIN_IOCP_SOCKET_SERVICE_HPP |