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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_context io_context;
tcp::resolver resolver( io_context);
tcp::resolver::query query( tcp::v4(), argv[1], "9998");
tcp::resolver::iterator iterator = resolver.resolve( query);
tcp::socket s( io_context);
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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