Boost::asio 阻塞模式的UDP客户端【很简单】

 

 

#include <cstdlib>
#include <cstring>
#include <iostream>
#include <boost/asio.hpp>
#include "Message.hpp"

using namespace ****;
using namespace ****::Protocol;

using boost::asio::ip::udp;


int main(int argc, char* argv[])
{
 try
 {
  if (argc != 3)
  {
   std::cerr << "Usage: blocking_udp_echo_client  \n";
   return 1;
  }

  boost::asio::io_service io_service;

  udp::socket s(io_service, udp::endpoint(udp::v4(), 0));

  udp::resolver resolver(io_service);
  udp::resolver::query query(udp::v4(), argv[1], argv[2]);
  udp::resolver::iterator iterator = resolver.resolve(query);

  Header header_;
  header_.length = 8888;
  header_.type = DELIVERY;

  s.send_to(boost::asio::buffer(&header_, HEADERLEN), *iterator);
  logs.write_log(NORMAL, "Command Send ..........");

 }
 catch (std::exception& e)
 {
  std::cerr << "Exception: " << e.what() << "\n";
 }

 return 0;
}