summaryrefslogtreecommitdiffstats
path: root/lib/asio/detail/impl/socket_select_interrupter.ipp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/asio/detail/impl/socket_select_interrupter.ipp')
-rw-r--r--lib/asio/detail/impl/socket_select_interrupter.ipp176
1 files changed, 0 insertions, 176 deletions
diff --git a/lib/asio/detail/impl/socket_select_interrupter.ipp b/lib/asio/detail/impl/socket_select_interrupter.ipp
deleted file mode 100644
index 052f2a7..0000000
--- a/lib/asio/detail/impl/socket_select_interrupter.ipp
+++ /dev/null
@@ -1,176 +0,0 @@
-//
-// detail/impl/socket_select_interrupter.ipp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// 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_IMPL_SOCKET_SELECT_INTERRUPTER_IPP
-#define ASIO_DETAIL_IMPL_SOCKET_SELECT_INTERRUPTER_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_WINDOWS_RUNTIME)
-
-#if defined(ASIO_WINDOWS) \
- || defined(__CYGWIN__) \
- || defined(__SYMBIAN32__)
-
-#include <cstdlib>
-#include "asio/detail/socket_holder.hpp"
-#include "asio/detail/socket_ops.hpp"
-#include "asio/detail/socket_select_interrupter.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-socket_select_interrupter::socket_select_interrupter()
-{
- open_descriptors();
-}
-
-void socket_select_interrupter::open_descriptors()
-{
- asio::error_code ec;
- socket_holder acceptor(socket_ops::socket(
- AF_INET, SOCK_STREAM, IPPROTO_TCP, ec));
- if (acceptor.get() == invalid_socket)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- int opt = 1;
- socket_ops::state_type acceptor_state = 0;
- socket_ops::setsockopt(acceptor.get(), acceptor_state,
- SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt), ec);
-
- using namespace std; // For memset.
- sockaddr_in4_type addr;
- std::size_t addr_len = sizeof(addr);
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = socket_ops::host_to_network_long(INADDR_LOOPBACK);
- addr.sin_port = 0;
- if (socket_ops::bind(acceptor.get(), (const socket_addr_type*)&addr,
- addr_len, ec) == socket_error_retval)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- if (socket_ops::getsockname(acceptor.get(), (socket_addr_type*)&addr,
- &addr_len, ec) == socket_error_retval)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- // Some broken firewalls on Windows will intermittently cause getsockname to
- // return 0.0.0.0 when the socket is actually bound to 127.0.0.1. We
- // explicitly specify the target address here to work around this problem.
- if (addr.sin_addr.s_addr == socket_ops::host_to_network_long(INADDR_ANY))
- addr.sin_addr.s_addr = socket_ops::host_to_network_long(INADDR_LOOPBACK);
-
- if (socket_ops::listen(acceptor.get(),
- SOMAXCONN, ec) == socket_error_retval)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- socket_holder client(socket_ops::socket(
- AF_INET, SOCK_STREAM, IPPROTO_TCP, ec));
- if (client.get() == invalid_socket)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- if (socket_ops::connect(client.get(), (const socket_addr_type*)&addr,
- addr_len, ec) == socket_error_retval)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- socket_holder server(socket_ops::accept(acceptor.get(), 0, 0, ec));
- if (server.get() == invalid_socket)
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- ioctl_arg_type non_blocking = 1;
- socket_ops::state_type client_state = 0;
- if (socket_ops::ioctl(client.get(), client_state,
- FIONBIO, &non_blocking, ec))
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- opt = 1;
- socket_ops::setsockopt(client.get(), client_state,
- IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt), ec);
-
- non_blocking = 1;
- socket_ops::state_type server_state = 0;
- if (socket_ops::ioctl(server.get(), server_state,
- FIONBIO, &non_blocking, ec))
- asio::detail::throw_error(ec, "socket_select_interrupter");
-
- opt = 1;
- socket_ops::setsockopt(server.get(), server_state,
- IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt), ec);
-
- read_descriptor_ = server.release();
- write_descriptor_ = client.release();
-}
-
-socket_select_interrupter::~socket_select_interrupter()
-{
- close_descriptors();
-}
-
-void socket_select_interrupter::close_descriptors()
-{
- asio::error_code ec;
- socket_ops::state_type state = socket_ops::internal_non_blocking;
- if (read_descriptor_ != invalid_socket)
- socket_ops::close(read_descriptor_, state, true, ec);
- if (write_descriptor_ != invalid_socket)
- socket_ops::close(write_descriptor_, state, true, ec);
-}
-
-void socket_select_interrupter::recreate()
-{
- close_descriptors();
-
- write_descriptor_ = invalid_socket;
- read_descriptor_ = invalid_socket;
-
- open_descriptors();
-}
-
-void socket_select_interrupter::interrupt()
-{
- char byte = 0;
- socket_ops::buf b;
- socket_ops::init_buf(b, &byte, 1);
- asio::error_code ec;
- socket_ops::send(write_descriptor_, &b, 1, 0, ec);
-}
-
-bool socket_select_interrupter::reset()
-{
- char data[1024];
- socket_ops::buf b;
- socket_ops::init_buf(b, data, sizeof(data));
- asio::error_code ec;
- int bytes_read = socket_ops::recv(read_descriptor_, &b, 1, 0, ec);
- bool was_interrupted = (bytes_read > 0);
- while (bytes_read == sizeof(data))
- bytes_read = socket_ops::recv(read_descriptor_, &b, 1, 0, ec);
- return was_interrupted;
-}
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_WINDOWS)
- // || defined(__CYGWIN__)
- // || defined(__SYMBIAN32__)
-
-#endif // !defined(ASIO_WINDOWS_RUNTIME)
-
-#endif // ASIO_DETAIL_IMPL_SOCKET_SELECT_INTERRUPTER_IPP