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- //
- // blocking_tcp_echo_client.cpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2013 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 <boost/asio.hpp>
- using boost::asio::ip::tcp;
- enum {
- max_length = 1024
- };
- int main( int argc, char* argv[]) {
- try {
- if ( 3 != argc) {
- std::cerr << "Usage: subscriber <host> <queue>\n";
- return EXIT_FAILURE;
- }
- boost::asio::io_service io_service;
- tcp::resolver resolver( io_service);
- tcp::resolver::query query( tcp::v4(), argv[1], "9998");
- tcp::resolver::iterator iterator = resolver.resolve( query);
- tcp::socket s( io_service);
- boost::asio::connect( s, iterator);
- char msg[max_length];
- std::string queue( argv[2]);
- std::memset( msg, '\0', max_length);
- std::memcpy( msg, queue.c_str(), queue.size() );
- boost::asio::write( s, boost::asio::buffer( msg, max_length) );
- for (;;) {
- char reply[max_length];
- size_t reply_length = s.read_some( boost::asio::buffer( reply, max_length) );
- std::cout << "published: ";
- std::cout.write( reply, reply_length);
- std::cout << std::endl;
- }
- return EXIT_SUCCESS;
- } catch ( std::exception const& e) {
- std::cerr << "Exception: " << e.what() << "\n";
- }
- return EXIT_FAILURE;
- }
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