#include <ctime>
#include <iostream>
#include <string>
#include <boost/array.hpp>
#include <asio.hpp>
using asio::ip::udp;
std::string make_daytime_string()
{
using namespace std;
time_t now = time(0);
return ctime(&now);
}
int main()
{
try
{
asio::io_context io_context;
udp::socket socket(io_context, udp::endpoint(udp::v4(), 13));
for (;;)
{
boost::array<char, 1> recv_buf;
udp::endpoint remote_endpoint;
socket.receive_from(asio::buffer(recv_buf), remote_endpoint);
std::string message = make_daytime_string();
asio::error_code ignored_error;
socket.send_to(asio::buffer(message),
remote_endpoint, 0, ignored_error);
}
}
catch (std::exception& e)
{
std::cerr << e.what() << std::endl;
}
return 0;
}
Return to Daytime.5 - A synchronous
UDP daytime server