diff options
Diffstat (limited to 'lib/asio/detail/impl/socket_select_interrupter.ipp')
-rw-r--r-- | lib/asio/detail/impl/socket_select_interrupter.ipp | 176 |
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 |