diff options
Diffstat (limited to 'lib/asio/detail/win_iocp_socket_accept_op.hpp')
-rw-r--r-- | lib/asio/detail/win_iocp_socket_accept_op.hpp | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/lib/asio/detail/win_iocp_socket_accept_op.hpp b/lib/asio/detail/win_iocp_socket_accept_op.hpp deleted file mode 100644 index 18e7335..0000000 --- a/lib/asio/detail/win_iocp_socket_accept_op.hpp +++ /dev/null @@ -1,297 +0,0 @@ -// -// detail/win_iocp_socket_accept_op.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_ACCEPT_OP_HPP -#define ASIO_DETAIL_WIN_IOCP_SOCKET_ACCEPT_OP_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 "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/operation.hpp" -#include "asio/detail/socket_ops.hpp" -#include "asio/detail/win_iocp_socket_service_base.hpp" -#include "asio/error.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -template <typename Socket, typename Protocol, typename Handler> -class win_iocp_socket_accept_op : public operation -{ -public: - ASIO_DEFINE_HANDLER_PTR(win_iocp_socket_accept_op); - - win_iocp_socket_accept_op(win_iocp_socket_service_base& socket_service, - socket_type socket, Socket& peer, const Protocol& protocol, - typename Protocol::endpoint* peer_endpoint, - bool enable_connection_aborted, Handler& handler) - : operation(&win_iocp_socket_accept_op::do_complete), - socket_service_(socket_service), - socket_(socket), - peer_(peer), - protocol_(protocol), - peer_endpoint_(peer_endpoint), - enable_connection_aborted_(enable_connection_aborted), - handler_(ASIO_MOVE_CAST(Handler)(handler)) - { - handler_work<Handler>::start(handler_); - } - - socket_holder& new_socket() - { - return new_socket_; - } - - void* output_buffer() - { - return output_buffer_; - } - - DWORD address_length() - { - return sizeof(sockaddr_storage_type) + 16; - } - - static void do_complete(void* owner, operation* base, - const asio::error_code& result_ec, - std::size_t /*bytes_transferred*/) - { - asio::error_code ec(result_ec); - - // Take ownership of the operation object. - win_iocp_socket_accept_op* o(static_cast<win_iocp_socket_accept_op*>(base)); - ptr p = { asio::detail::addressof(o->handler_), o, o }; - handler_work<Handler> w(o->handler_); - - if (owner) - { - typename Protocol::endpoint peer_endpoint; - std::size_t addr_len = peer_endpoint.capacity(); - socket_ops::complete_iocp_accept(o->socket_, - o->output_buffer(), o->address_length(), - peer_endpoint.data(), &addr_len, - o->new_socket_.get(), ec); - - // Restart the accept operation if we got the connection_aborted error - // and the enable_connection_aborted socket option is not set. - if (ec == asio::error::connection_aborted - && !o->enable_connection_aborted_) - { - o->reset(); - o->socket_service_.restart_accept_op(o->socket_, - o->new_socket_, o->protocol_.family(), - o->protocol_.type(), o->protocol_.protocol(), - o->output_buffer(), o->address_length(), o); - p.v = p.p = 0; - return; - } - - // If the socket was successfully accepted, transfer ownership of the - // socket to the peer object. - if (!ec) - { - o->peer_.assign(o->protocol_, - typename Socket::native_handle_type( - o->new_socket_.get(), peer_endpoint), ec); - if (!ec) - o->new_socket_.release(); - } - - // Pass endpoint back to caller. - if (o->peer_endpoint_) - *o->peer_endpoint_ = peer_endpoint; - } - - ASIO_HANDLER_COMPLETION((*o)); - - // Make a copy of the handler so that the memory can be deallocated before - // the upcall is made. Even if we're not about to make an upcall, a - // sub-object of the handler may be the true owner of the memory associated - // with the handler. Consequently, a local copy of the handler is required - // to ensure that any owning sub-object remains valid until after we have - // deallocated the memory here. - detail::binder1<Handler, asio::error_code> - handler(o->handler_, ec); - p.h = asio::detail::addressof(handler.handler_); - p.reset(); - - // Make the upcall if required. - if (owner) - { - fenced_block b(fenced_block::half); - ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_)); - w.complete(handler, handler.handler_); - ASIO_HANDLER_INVOCATION_END; - } - } - -private: - win_iocp_socket_service_base& socket_service_; - socket_type socket_; - socket_holder new_socket_; - Socket& peer_; - Protocol protocol_; - typename Protocol::endpoint* peer_endpoint_; - unsigned char output_buffer_[(sizeof(sockaddr_storage_type) + 16) * 2]; - bool enable_connection_aborted_; - Handler handler_; -}; - -#if defined(ASIO_HAS_MOVE) - -template <typename Protocol, typename Handler> -class win_iocp_socket_move_accept_op : public operation -{ -public: - ASIO_DEFINE_HANDLER_PTR(win_iocp_socket_move_accept_op); - - win_iocp_socket_move_accept_op( - win_iocp_socket_service_base& socket_service, socket_type socket, - const Protocol& protocol, asio::io_context& peer_io_context, - typename Protocol::endpoint* peer_endpoint, - bool enable_connection_aborted, Handler& handler) - : operation(&win_iocp_socket_move_accept_op::do_complete), - socket_service_(socket_service), - socket_(socket), - peer_(peer_io_context), - protocol_(protocol), - peer_endpoint_(peer_endpoint), - enable_connection_aborted_(enable_connection_aborted), - handler_(ASIO_MOVE_CAST(Handler)(handler)) - { - handler_work<Handler>::start(handler_); - } - - socket_holder& new_socket() - { - return new_socket_; - } - - void* output_buffer() - { - return output_buffer_; - } - - DWORD address_length() - { - return sizeof(sockaddr_storage_type) + 16; - } - - static void do_complete(void* owner, operation* base, - const asio::error_code& result_ec, - std::size_t /*bytes_transferred*/) - { - asio::error_code ec(result_ec); - - // Take ownership of the operation object. - win_iocp_socket_move_accept_op* o( - static_cast<win_iocp_socket_move_accept_op*>(base)); - ptr p = { asio::detail::addressof(o->handler_), o, o }; - handler_work<Handler> w(o->handler_); - - if (owner) - { - typename Protocol::endpoint peer_endpoint; - std::size_t addr_len = peer_endpoint.capacity(); - socket_ops::complete_iocp_accept(o->socket_, - o->output_buffer(), o->address_length(), - peer_endpoint.data(), &addr_len, - o->new_socket_.get(), ec); - - // Restart the accept operation if we got the connection_aborted error - // and the enable_connection_aborted socket option is not set. - if (ec == asio::error::connection_aborted - && !o->enable_connection_aborted_) - { - o->reset(); - o->socket_service_.restart_accept_op(o->socket_, - o->new_socket_, o->protocol_.family(), - o->protocol_.type(), o->protocol_.protocol(), - o->output_buffer(), o->address_length(), o); - p.v = p.p = 0; - return; - } - - // If the socket was successfully accepted, transfer ownership of the - // socket to the peer object. - if (!ec) - { - o->peer_.assign(o->protocol_, - typename Protocol::socket::native_handle_type( - o->new_socket_.get(), peer_endpoint), ec); - if (!ec) - o->new_socket_.release(); - } - - // Pass endpoint back to caller. - if (o->peer_endpoint_) - *o->peer_endpoint_ = peer_endpoint; - } - - ASIO_HANDLER_COMPLETION((*o)); - - // Make a copy of the handler so that the memory can be deallocated before - // the upcall is made. Even if we're not about to make an upcall, a - // sub-object of the handler may be the true owner of the memory associated - // with the handler. Consequently, a local copy of the handler is required - // to ensure that any owning sub-object remains valid until after we have - // deallocated the memory here. - detail::move_binder2<Handler, - asio::error_code, typename Protocol::socket> - handler(0, ASIO_MOVE_CAST(Handler)(o->handler_), ec, - ASIO_MOVE_CAST(typename Protocol::socket)(o->peer_)); - p.h = asio::detail::addressof(handler.handler_); - p.reset(); - - // Make the upcall if required. - if (owner) - { - fenced_block b(fenced_block::half); - ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_, "...")); - w.complete(handler, handler.handler_); - ASIO_HANDLER_INVOCATION_END; - } - } - -private: - win_iocp_socket_service_base& socket_service_; - socket_type socket_; - socket_holder new_socket_; - typename Protocol::socket peer_; - Protocol protocol_; - typename Protocol::endpoint* peer_endpoint_; - unsigned char output_buffer_[(sizeof(sockaddr_storage_type) + 16) * 2]; - bool enable_connection_aborted_; - Handler handler_; -}; - -#endif // defined(ASIO_HAS_MOVE) - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // defined(ASIO_HAS_IOCP) - -#endif // ASIO_DETAIL_WIN_IOCP_SOCKET_ACCEPT_OP_HPP |