71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
|
/*
|
|||
|
|
* This library provides functions to read results sent on UDP by OwlPS
|
|||
|
|
* Positioning.
|
|||
|
|
* See the example program owlps-resultreader-udp.c.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifndef _LIBOWLPS_RESULTREADER_CSV_
|
|||
|
|
#define _LIBOWLPS_RESULTREADER_CSV_
|
|||
|
|
|
|||
|
|
#include <owlps.h>
|
|||
|
|
|
|||
|
|
#include <stdio.h>
|
|||
|
|
#include <inttypes.h>
|
|||
|
|
|
|||
|
|
|
|||
|
|
/* Maximum size of a result CSV string sent by OwlPS Positioning.
|
|||
|
|
* Request's information:
|
|||
|
|
* = 18 (MAC) + 2 (type) + 22 (timestamp) = 42
|
|||
|
|
* Plus, for each algorithm, about 60 characters (say 100, as the length
|
|||
|
|
* of the algorithm and area names can vary).
|
|||
|
|
* Let's keep room for 10 algorithms :
|
|||
|
|
* 10×100 + 42 = 1042 characters + '\0' = 1043.
|
|||
|
|
*/
|
|||
|
|
#define OWL_CSV_RESULT_STRLEN 1043
|
|||
|
|
|
|||
|
|
|
|||
|
|
/* Linked list of algorithms' results.
|
|||
|
|
* Each structure is the result of a single algorithm.
|
|||
|
|
*/
|
|||
|
|
typedef struct _owl_algorithm_result
|
|||
|
|
{
|
|||
|
|
char *algorithm ;
|
|||
|
|
float x ;
|
|||
|
|
float y ;
|
|||
|
|
float z ;
|
|||
|
|
float error ;
|
|||
|
|
char *area ;
|
|||
|
|
|
|||
|
|
struct _owl_algorithm_result *next ;
|
|||
|
|
} owl_algorithm_result ;
|
|||
|
|
|
|||
|
|
|
|||
|
|
/* Results for a request. Includes the request's data, and the
|
|||
|
|
* list of algorithms' results.
|
|||
|
|
*/
|
|||
|
|
typedef struct _owl_result
|
|||
|
|
{
|
|||
|
|
char *mobile_mac_addr ;
|
|||
|
|
uint8_t request_type ;
|
|||
|
|
owl_timestamp mobile_timestamp ;
|
|||
|
|
owl_algorithm_result *results ;
|
|||
|
|
} owl_result ;
|
|||
|
|
|
|||
|
|
|
|||
|
|
void owl_receive_position(int sockfd, owl_result **result) ;
|
|||
|
|
void owl_fill_result(owl_result **result, char *csv) ;
|
|||
|
|
|
|||
|
|
void owl_fprint_result(FILE *stream, owl_result *result) ;
|
|||
|
|
void owl_fprint_algorithm_result(FILE *stream,
|
|||
|
|
owl_algorithm_result *algo) ;
|
|||
|
|
#define owl_print_result(RESULT) \
|
|||
|
|
(owl_fprint_result(stdout, (RESULT)))
|
|||
|
|
#define owl_print_algorithm_result(ALGO) \
|
|||
|
|
(owl_fprint_algorithm_result(stdout, (ALGO)))
|
|||
|
|
|
|||
|
|
void owl_free_result(owl_result *result) ;
|
|||
|
|
void owl_free_algorithm_result(owl_algorithm_result *algo) ;
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif // _LIBOWLPS_RESULTREADER_CSV_
|