71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
#ifndef _OWLPS_POSITIONING_INPUTUDPSOCKET_HH_
|
|
#define _OWLPS_POSITIONING_INPUTUDPSOCKET_HH_
|
|
|
|
#include "inputmedium.hh"
|
|
|
|
/// Receives \link Request requests \endlink from a UDP socket
|
|
class InputUDPSocket: public InputMedium
|
|
{
|
|
protected:
|
|
int sockfd ;
|
|
uint_fast16_t listening_port ;
|
|
|
|
/** @name Operations */
|
|
//@{
|
|
/// Initialises the socket
|
|
bool init_socket(void) ;
|
|
/// Reads data & fills the current request
|
|
/**
|
|
* This function fills the current Request from the data read from
|
|
* the input medium.
|
|
*
|
|
* @returns \em true if #current_request was correctly filled.
|
|
* @returns \em false in case of error.
|
|
*/
|
|
bool fill_current_request(void) ;
|
|
//@}
|
|
|
|
public:
|
|
InputUDPSocket(const uint_fast16_t _port) ;
|
|
|
|
~InputUDPSocket(void) ;
|
|
|
|
/** @name Read accessors */
|
|
//@{
|
|
/// Always false
|
|
bool eof(void) const ;
|
|
//@}
|
|
|
|
/** @name Operations */
|
|
//@{
|
|
/// Closes the socket
|
|
bool close_socket(void) ;
|
|
//@}
|
|
} ;
|
|
|
|
|
|
|
|
/* *** Read accessors *** */
|
|
|
|
|
|
/**
|
|
* Note that by definition, the end of a socket is never reached.
|
|
* @return \em true if the socket is closed.
|
|
* @return \em false if the socket is opened.
|
|
*/
|
|
inline bool InputUDPSocket::eof() const
|
|
{
|
|
return sockfd < 0 ;
|
|
}
|
|
|
|
|
|
|
|
#endif // _OWLPS_POSITIONING_INPUTUDPSOCKET_HH_
|