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1 | // |
2 | // blocking_tcp_echo_client.cpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
b32b8144 | 5 | // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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6 | // |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #include <cstdlib> | |
12 | #include <cstring> | |
13 | #include <iostream> | |
14 | #include <boost/asio.hpp> | |
15 | ||
16 | using boost::asio::ip::tcp; | |
17 | ||
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 | ||
b32b8144 | 30 | boost::asio::io_context io_context; |
7c673cae | 31 | |
b32b8144 FG |
32 | tcp::resolver resolver(io_context); |
33 | tcp::resolver::results_type endpoints = | |
34 | resolver.resolve(tcp::v4(), argv[1], argv[2]); | |
7c673cae | 35 | |
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36 | tcp::socket s(io_context); |
37 | boost::asio::connect(s, endpoints); | |
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38 | |
39 | using namespace std; // For strlen. | |
40 | std::cout << "Enter message: "; | |
41 | char request[max_length]; | |
42 | std::cin.getline(request, max_length); | |
43 | size_t request_length = strlen(request); | |
44 | boost::asio::write(s, boost::asio::buffer(request, request_length)); | |
45 | ||
46 | char reply[max_length]; | |
47 | size_t reply_length = boost::asio::read(s, | |
48 | boost::asio::buffer(reply, request_length)); | |
49 | std::cout << "Reply is: "; | |
50 | std::cout.write(reply, reply_length); | |
51 | std::cout << "\n"; | |
52 | } | |
53 | catch (std::exception& e) | |
54 | { | |
55 | std::cerr << "Exception: " << e.what() << "\n"; | |
56 | } | |
57 | ||
58 | return 0; | |
59 | } |