diff options
author | 2021-11-15 04:15:13 +1100 | |
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committer | 2021-11-15 04:15:13 +1100 | |
commit | 44ec6d2e0ee569202b75b73eea40972595866779 (patch) | |
tree | b286443c264704198789514e0594dc24b3ca9f96 /3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp | |
parent | 137f254b918f1f1ebee43dfbed86793b0dae73eb (diff) |
3rdparty: Updated ASIO to version 1.20.0.
The doc folder isn't included as it's pretty big.
This required include/asio/detail/win_iocp_socket_accept_op.hpp due to
mismatched order in the member declarations and initialiser list for the
win_iocp_socket_accept_op class. I reversed the declaration order so it
matches win_iocp_socket_move_accept_op.
Diffstat (limited to '3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp b/3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp new file mode 100644 index 00000000000..2571ff93360 --- /dev/null +++ b/3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp @@ -0,0 +1,129 @@ +// +// connect_pair.cpp +// ~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2021 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) +// + +#include <array> +#include <iostream> +#include <string> +#include <cctype> +#include <asio.hpp> + +#if defined(ASIO_HAS_LOCAL_SOCKETS) + +using asio::local::stream_protocol; + +class uppercase_filter +{ +public: + uppercase_filter(stream_protocol::socket sock) + : socket_(std::move(sock)) + { + read(); + } + +private: + void read() + { + socket_.async_read_some(asio::buffer(data_), + [this](std::error_code ec, std::size_t size) + { + if (!ec) + { + // Compute result. + for (std::size_t i = 0; i < size; ++i) + data_[i] = std::toupper(data_[i]); + + // Send result. + write(size); + } + else + { + throw asio::system_error(ec); + } + }); + } + + void write(std::size_t size) + { + asio::async_write(socket_, asio::buffer(data_, size), + [this](std::error_code ec, std::size_t /*size*/) + { + if (!ec) + { + // Wait for request. + read(); + } + else + { + throw asio::system_error(ec); + } + }); + } + + stream_protocol::socket socket_; + std::array<char, 512> data_; +}; + +int main() +{ + try + { + asio::io_context io_context; + + // Create a connected pair and pass one end to a filter. + stream_protocol::socket socket(io_context); + stream_protocol::socket filter_socket(io_context); + asio::local::connect_pair(socket, filter_socket); + uppercase_filter filter(std::move(filter_socket)); + + // The io_context runs in a background thread to perform filtering. + asio::thread thread( + [&io_context]() + { + try + { + io_context.run(); + } + catch (std::exception& e) + { + std::cerr << "Exception in thread: " << e.what() << "\n"; + std::exit(1); + } + }); + + for (;;) + { + // Collect request from user. + std::cout << "Enter a string: "; + std::string request; + std::getline(std::cin, request); + + // Send request to filter. + asio::write(socket, asio::buffer(request)); + + // Wait for reply from filter. + std::vector<char> reply(request.size()); + asio::read(socket, asio::buffer(reply)); + + // Show reply to user. + std::cout << "Result: "; + std::cout.write(&reply[0], request.size()); + std::cout << std::endl; + } + } + catch (std::exception& e) + { + std::cerr << "Exception: " << e.what() << "\n"; + std::exit(1); + } +} + +#else // defined(ASIO_HAS_LOCAL_SOCKETS) +# error Local sockets not available on this platform. +#endif // defined(ASIO_HAS_LOCAL_SOCKETS) |