#ifndef _OWLPS_POSITIONING_OUTPUTTCPSOCKETEVAAL_HH_
#define _OWLPS_POSITIONING_OUTPUTTCPSOCKETEVAAL_HH_

#include "outputmedium.hh"

#include <string>
#include <stdint.h> // <cstdint> is not C++ 98 compliant
#include <arpa/inet.h>

/// Sends results to a remote host by TCP (EvAAL competition format)
/**
 * The results are sent through an TCP socket as a string value,
 * conforming to the EvAAL competition format.
 */
class OutputTCPSocketEvAAL: public OutputMedium
{
protected:
  int sockfd ;
  std::string remote_host ;
  uint_fast16_t remote_port ;

  struct sockaddr_in server_info ;
  struct sockaddr_in client_info ;

  /** @name Operations */
  //@{
  /// Initialises the socket
  bool init_socket(void) ;
  /// Sends a string through the socket
  bool send_data(const std::string &data) const ;
  /// Receives and parse the acknowledgement from the server
  bool acknowledge(void) const ;
  //@}

public:
  OutputTCPSocketEvAAL(const std::string &_remote_host = "127.0.0.1",
                       const uint_fast16_t _remote_port = 4444) ;
  ~OutputTCPSocketEvAAL(void) ;

  /** @name Operations */
  //@{
  void write(const Result &result) ;
  void write(const ResultList &results) ;
  /// Closes the socket
  bool close_socket(void) ;
  //@}
} ;



#endif // _OWLPS_POSITIONING_OUTPUTTCPSOCKETEVAAL_HH_