client.cpp

#include <iostream>  
#include <boost/asio.hpp>  
  
using namespace boost::asio;  
using ip::tcp;  
using std::string;  
using std::cout;  
using std::endl; 

int main() { 
     while(1) { 
         boost::asio::io_service io_service;  
  
//socket creation  
         tcp::socket socket(io_service);  
  
//connection  
         socket.connect( tcp::endpoint( boost::asio::ip::address::from_string("127.0.0.1"), 2345 ) );  
  
// request/message from client
         cout << "Please enter a move: " << endl;
         string input;
         std::getline(std::cin, input);
         const string msg = input;  
         boost::system::error_code error;  
         boost::asio::write( socket, boost::asio::buffer(msg), error );  
         if( !error ) {  
              cout << "Move sent to server!" << endl;  
         }  
         else {  
              cout << "send failed: " << error.message() << endl;  
         }  
  
// getting a response from the server  
         boost::asio::streambuf receive_buffer;  
         boost::asio::read(socket, receive_buffer, boost::asio::transfer_all(), error);  
         if( error && error != boost::asio::error::eof ) {  
              cout << "receive failed: " << error.message() << endl;  
         }  
         else {  
              const char* data = boost::asio::buffer_cast<const char*>(receive_buffer.data());  
              cout << data << endl;  
         }  
     }
     return 0;  
}