311 lines
8.7 KiB
C++
311 lines
8.7 KiB
C++
//
|
|
// detail/reactive_socket_service_base.ipp
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2023 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_IMPL_REACTIVE_SOCKET_SERVICE_BASE_IPP
|
|
#define ASIO_DETAIL_IMPL_REACTIVE_SOCKET_SERVICE_BASE_IPP
|
|
|
|
#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) \
|
|
&& !defined(ASIO_WINDOWS_RUNTIME) \
|
|
&& !defined(ASIO_HAS_IO_URING_AS_DEFAULT)
|
|
|
|
#include "asio/detail/reactive_socket_service_base.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
namespace asio {
|
|
namespace detail {
|
|
|
|
reactive_socket_service_base::reactive_socket_service_base(
|
|
execution_context& context)
|
|
: reactor_(use_service<reactor>(context))
|
|
{
|
|
reactor_.init_task();
|
|
}
|
|
|
|
void reactive_socket_service_base::base_shutdown()
|
|
{
|
|
}
|
|
|
|
void reactive_socket_service_base::construct(
|
|
reactive_socket_service_base::base_implementation_type& impl)
|
|
{
|
|
impl.socket_ = invalid_socket;
|
|
impl.state_ = 0;
|
|
impl.reactor_data_ = reactor::per_descriptor_data();
|
|
}
|
|
|
|
void reactive_socket_service_base::base_move_construct(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
reactive_socket_service_base::base_implementation_type& other_impl)
|
|
ASIO_NOEXCEPT
|
|
{
|
|
impl.socket_ = other_impl.socket_;
|
|
other_impl.socket_ = invalid_socket;
|
|
|
|
impl.state_ = other_impl.state_;
|
|
other_impl.state_ = 0;
|
|
|
|
reactor_.move_descriptor(impl.socket_,
|
|
impl.reactor_data_, other_impl.reactor_data_);
|
|
}
|
|
|
|
void reactive_socket_service_base::base_move_assign(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
reactive_socket_service_base& other_service,
|
|
reactive_socket_service_base::base_implementation_type& other_impl)
|
|
{
|
|
destroy(impl);
|
|
|
|
impl.socket_ = other_impl.socket_;
|
|
other_impl.socket_ = invalid_socket;
|
|
|
|
impl.state_ = other_impl.state_;
|
|
other_impl.state_ = 0;
|
|
|
|
other_service.reactor_.move_descriptor(impl.socket_,
|
|
impl.reactor_data_, other_impl.reactor_data_);
|
|
}
|
|
|
|
void reactive_socket_service_base::destroy(
|
|
reactive_socket_service_base::base_implementation_type& impl)
|
|
{
|
|
if (impl.socket_ != invalid_socket)
|
|
{
|
|
ASIO_HANDLER_OPERATION((reactor_.context(),
|
|
"socket", &impl, impl.socket_, "close"));
|
|
|
|
reactor_.deregister_descriptor(impl.socket_, impl.reactor_data_,
|
|
(impl.state_ & socket_ops::possible_dup) == 0);
|
|
|
|
asio::error_code ignored_ec;
|
|
socket_ops::close(impl.socket_, impl.state_, true, ignored_ec);
|
|
|
|
reactor_.cleanup_descriptor_data(impl.reactor_data_);
|
|
}
|
|
}
|
|
|
|
asio::error_code reactive_socket_service_base::close(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
asio::error_code& ec)
|
|
{
|
|
if (is_open(impl))
|
|
{
|
|
ASIO_HANDLER_OPERATION((reactor_.context(),
|
|
"socket", &impl, impl.socket_, "close"));
|
|
|
|
reactor_.deregister_descriptor(impl.socket_, impl.reactor_data_,
|
|
(impl.state_ & socket_ops::possible_dup) == 0);
|
|
|
|
socket_ops::close(impl.socket_, impl.state_, false, ec);
|
|
|
|
reactor_.cleanup_descriptor_data(impl.reactor_data_);
|
|
}
|
|
else
|
|
{
|
|
ec = asio::error_code();
|
|
}
|
|
|
|
// The descriptor is closed by the OS even if close() returns an error.
|
|
//
|
|
// (Actually, POSIX says the state of the descriptor is unspecified. On
|
|
// Linux the descriptor is apparently closed anyway; e.g. see
|
|
// http://lkml.org/lkml/2005/9/10/129
|
|
// We'll just have to assume that other OSes follow the same behaviour. The
|
|
// known exception is when Windows's closesocket() function fails with
|
|
// WSAEWOULDBLOCK, but this case is handled inside socket_ops::close().
|
|
construct(impl);
|
|
|
|
return ec;
|
|
}
|
|
|
|
socket_type reactive_socket_service_base::release(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
asio::error_code& ec)
|
|
{
|
|
if (!is_open(impl))
|
|
{
|
|
ec = asio::error::bad_descriptor;
|
|
return invalid_socket;
|
|
}
|
|
|
|
ASIO_HANDLER_OPERATION((reactor_.context(),
|
|
"socket", &impl, impl.socket_, "release"));
|
|
|
|
reactor_.deregister_descriptor(impl.socket_, impl.reactor_data_, false);
|
|
reactor_.cleanup_descriptor_data(impl.reactor_data_);
|
|
socket_type sock = impl.socket_;
|
|
construct(impl);
|
|
ec = asio::error_code();
|
|
return sock;
|
|
}
|
|
|
|
asio::error_code reactive_socket_service_base::cancel(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
asio::error_code& ec)
|
|
{
|
|
if (!is_open(impl))
|
|
{
|
|
ec = asio::error::bad_descriptor;
|
|
return ec;
|
|
}
|
|
|
|
ASIO_HANDLER_OPERATION((reactor_.context(),
|
|
"socket", &impl, impl.socket_, "cancel"));
|
|
|
|
reactor_.cancel_ops(impl.socket_, impl.reactor_data_);
|
|
ec = asio::error_code();
|
|
return ec;
|
|
}
|
|
|
|
asio::error_code reactive_socket_service_base::do_open(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
int af, int type, int protocol, asio::error_code& ec)
|
|
{
|
|
if (is_open(impl))
|
|
{
|
|
ec = asio::error::already_open;
|
|
return ec;
|
|
}
|
|
|
|
socket_holder sock(socket_ops::socket(af, type, protocol, ec));
|
|
if (sock.get() == invalid_socket)
|
|
return ec;
|
|
|
|
if (int err = reactor_.register_descriptor(sock.get(), impl.reactor_data_))
|
|
{
|
|
ec = asio::error_code(err,
|
|
asio::error::get_system_category());
|
|
return ec;
|
|
}
|
|
|
|
impl.socket_ = sock.release();
|
|
switch (type)
|
|
{
|
|
case SOCK_STREAM: impl.state_ = socket_ops::stream_oriented; break;
|
|
case SOCK_DGRAM: impl.state_ = socket_ops::datagram_oriented; break;
|
|
default: impl.state_ = 0; break;
|
|
}
|
|
ec = asio::error_code();
|
|
return ec;
|
|
}
|
|
|
|
asio::error_code reactive_socket_service_base::do_assign(
|
|
reactive_socket_service_base::base_implementation_type& impl, int type,
|
|
const reactive_socket_service_base::native_handle_type& native_socket,
|
|
asio::error_code& ec)
|
|
{
|
|
if (is_open(impl))
|
|
{
|
|
ec = asio::error::already_open;
|
|
return ec;
|
|
}
|
|
|
|
if (int err = reactor_.register_descriptor(
|
|
native_socket, impl.reactor_data_))
|
|
{
|
|
ec = asio::error_code(err,
|
|
asio::error::get_system_category());
|
|
return ec;
|
|
}
|
|
|
|
impl.socket_ = native_socket;
|
|
switch (type)
|
|
{
|
|
case SOCK_STREAM: impl.state_ = socket_ops::stream_oriented; break;
|
|
case SOCK_DGRAM: impl.state_ = socket_ops::datagram_oriented; break;
|
|
default: impl.state_ = 0; break;
|
|
}
|
|
impl.state_ |= socket_ops::possible_dup;
|
|
ec = asio::error_code();
|
|
return ec;
|
|
}
|
|
|
|
void reactive_socket_service_base::do_start_op(
|
|
reactive_socket_service_base::base_implementation_type& impl, int op_type,
|
|
reactor_op* op, bool is_continuation, bool is_non_blocking, bool noop,
|
|
void (*on_immediate)(operation* op, bool, const void*),
|
|
const void* immediate_arg)
|
|
{
|
|
if (!noop)
|
|
{
|
|
if ((impl.state_ & socket_ops::non_blocking)
|
|
|| socket_ops::set_internal_non_blocking(
|
|
impl.socket_, impl.state_, true, op->ec_))
|
|
{
|
|
reactor_.start_op(op_type, impl.socket_, impl.reactor_data_, op,
|
|
is_continuation, is_non_blocking, on_immediate, immediate_arg);
|
|
return;
|
|
}
|
|
}
|
|
|
|
on_immediate(op, is_continuation, immediate_arg);
|
|
}
|
|
|
|
void reactive_socket_service_base::do_start_accept_op(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
reactor_op* op, bool is_continuation, bool peer_is_open,
|
|
void (*on_immediate)(operation* op, bool, const void*),
|
|
const void* immediate_arg)
|
|
{
|
|
if (!peer_is_open)
|
|
{
|
|
do_start_op(impl, reactor::read_op, op, is_continuation,
|
|
true, false, on_immediate, immediate_arg);
|
|
}
|
|
else
|
|
{
|
|
op->ec_ = asio::error::already_open;
|
|
on_immediate(op, is_continuation, immediate_arg);
|
|
}
|
|
}
|
|
|
|
void reactive_socket_service_base::do_start_connect_op(
|
|
reactive_socket_service_base::base_implementation_type& impl,
|
|
reactor_op* op, bool is_continuation, const void* addr, size_t addrlen,
|
|
void (*on_immediate)(operation* op, bool, const void*),
|
|
const void* immediate_arg)
|
|
{
|
|
if ((impl.state_ & socket_ops::non_blocking)
|
|
|| socket_ops::set_internal_non_blocking(
|
|
impl.socket_, impl.state_, true, op->ec_))
|
|
{
|
|
if (socket_ops::connect(impl.socket_, addr, addrlen, op->ec_) != 0)
|
|
{
|
|
if (op->ec_ == asio::error::in_progress
|
|
|| op->ec_ == asio::error::would_block)
|
|
{
|
|
op->ec_ = asio::error_code();
|
|
reactor_.start_op(reactor::connect_op, impl.socket_, impl.reactor_data_,
|
|
op, is_continuation, false, on_immediate, immediate_arg);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
on_immediate(op, is_continuation, immediate_arg);
|
|
}
|
|
|
|
} // namespace detail
|
|
} // namespace asio
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // !defined(ASIO_HAS_IOCP)
|
|
// && !defined(ASIO_WINDOWS_RUNTIME)
|
|
// && !defined(ASIO_HAS_IO_URING_AS_DEFAULT)
|
|
|
|
#endif // ASIO_DETAIL_IMPL_REACTIVE_SOCKET_SERVICE_BASE_IPP
|