touch_loss.h

Go to the documentation of this file.

 
#ifndef RCBENCH_TOUCH_LOSS_H
#define RCBENCH_TOUCH_LOSS_H
 
#include <stdbool.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ------------------------------------------------ numbered event streams */

typedef struct {
    uint32_t next;   
} touch_seq_rx_t;

void touch_seq_rx_init(touch_seq_rx_t *rx);

uint32_t touch_seq_take(touch_seq_rx_t *rx, uint32_t seq);

uint32_t touch_seq_tail(touch_seq_rx_t *rx, uint32_t published);
 
/* ------------------------------------------------------------ the STOP mark */

bool stop_mark_keeps(uint32_t mark, uint32_t cur, bool cur_is_event);
 
/* --------------------------------------------------------- the arm watch */

typedef struct {
    bool     on;
    uint32_t loss_gen;   
    uint32_t drv_gaps;   
    uint32_t arm_gen;    
} arm_watch_t;

bool arm_watch_take_ok(uint32_t loss_gen_stamp, uint32_t loss_gen_now,
                       uint32_t lost_notice_seq, uint32_t consumed_seq);

void arm_watch_begin(arm_watch_t *w, uint32_t loss_gen_stamp,
                     uint32_t drv_gaps_at_take, uint32_t arm_gen);

bool arm_watch_lost(arm_watch_t *w, uint32_t loss_gen_now,
                    uint32_t drv_gaps_now, uint32_t acked_arm_gen);

void arm_watch_end(arm_watch_t *w);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RCBENCH_TOUCH_LOSS_H */