diff options
Diffstat (limited to '3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp b/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp new file mode 100644 index 00000000000..1d15780c429 --- /dev/null +++ b/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp @@ -0,0 +1,58 @@ +// +// blocking_udp_echo_client.cpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2016 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 <cstdlib> +#include <cstring> +#include <iostream> +#include "asio.hpp" + +using asio::ip::udp; + +enum { max_length = 1024 }; + +int main(int argc, char* argv[]) +{ + try + { + if (argc != 3) + { + std::cerr << "Usage: blocking_udp_echo_client <host> <port>\n"; + return 1; + } + + asio::io_context io_context; + + udp::socket s(io_context, udp::endpoint(udp::v4(), 0)); + + udp::resolver resolver(io_context); + udp::resolver::results_type endpoints = + resolver.resolve(udp::v4(), argv[1], argv[2]); + + std::cout << "Enter message: "; + char request[max_length]; + std::cin.getline(request, max_length); + size_t request_length = std::strlen(request); + s.send_to(asio::buffer(request, request_length), *endpoints.begin()); + + char reply[max_length]; + udp::endpoint sender_endpoint; + size_t reply_length = s.receive_from( + asio::buffer(reply, max_length), sender_endpoint); + std::cout << "Reply is: "; + std::cout.write(reply, reply_length); + std::cout << "\n"; + } + catch (std::exception& e) + { + std::cerr << "Exception: " << e.what() << "\n"; + } + + return 0; +} |