| 18 | enum { max_length = 1024 }; |
| 19 | |
| 20 | int main(int argc, char* argv[]) |
| 21 | { |
| 22 | try |
| 23 | { |
| 24 | if (argc != 3) |
| 25 | { |
| 26 | std::cerr << "Usage: blocking_tcp_echo_client <host> <port>\n"; |
| 27 | return 1; |
| 28 | } |
| 29 | |
| 30 | boost::asio::io_context io_context; |
| 31 | |
| 32 | tcp::socket s(io_context); |
| 33 | tcp::resolver resolver(io_context); |
| 34 | boost::asio::connect(s, resolver.resolve(argv[1], argv[2])); |
| 35 | |
| 36 | std::cout << "Enter message: "; |
| 37 | char request[max_length]; |
| 38 | std::cin.getline(request, max_length); |
| 39 | size_t request_length = std::strlen(request); |
| 40 | boost::asio::write(s, boost::asio::buffer(request, request_length)); |
| 41 | |
| 42 | char reply[max_length]; |
| 43 | size_t reply_length = boost::asio::read(s, |
| 44 | boost::asio::buffer(reply, request_length)); |
| 45 | std::cout << "Reply is: "; |
| 46 | std::cout.write(reply, reply_length); |
| 47 | std::cout << "\n"; |
| 48 | } |
| 49 | catch (std::exception& e) |
| 50 | { |
| 51 | std::cerr << "Exception: " << e.what() << "\n"; |
| 52 | } |
| 53 | |
| 54 | return 0; |
| 55 | } |