/*
 * This file is part of the Owl Positioning System (OwlPS).
 * OwlPS is a project of the University of Franche-Comté
 * (Université de Franche-Comté), France.
 */


#include "outputnetworksocket.hh"
#include "resultlist.hh"
#include "result.hh"
#include "posexcept.hh"

#include <cstdio> // For perror()

using namespace std ;



/* *** Constructors *** */


OutputNetworkSocket::~OutputNetworkSocket()
{
  close_socket() ;
}



/* *** Operations *** */


/**
 * Normally, the socket is closed automatically by the destructor. Use
 * this if you want to close the socket prematurely.
 * #sockfd is set to -1, even in case of error.
 * @return \em true if the socket were successfully closed or were not
 * opened.
 * @return \em false in case of error.
 */
bool OutputNetworkSocket::close_socket()
{
  if (sockfd >= 0)
    {
      if (close(sockfd))
        {
          perror("Cannot close network socket") ;
          return false ;
        }

      sockfd = -1 ;
    }

  return true ;
}


void OutputNetworkSocket::write(const Result &result)
{
  send_data(result.to_csv()) ;
}


void OutputNetworkSocket::write(const ResultList &results)
{
  if (! results.empty())
    send_data(results.to_csv()) ;
}