File syn_timer_wheel.h

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#ifndef SYN_TIMER_WHEEL_H
#define SYN_TIMER_WHEEL_H

#include "../common/syn_defs.h"

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define SYN_TIMER_WHEEL_BUCKETS 64U

typedef void (*SYN_TimerWheelCb)(void *arg);

typedef struct SYN_TimerWheelNode {
    struct SYN_TimerWheelNode *next; 
    struct SYN_TimerWheelNode *prev; 
    uint32_t expires_tick;           
    uint32_t rotation_count;         
    SYN_TimerWheelCb cb;             
    void *arg;                       
    bool active;                     
} SYN_TimerWheelNode;

typedef struct {
    SYN_TimerWheelNode *buckets[SYN_TIMER_WHEEL_BUCKETS]; 
    uint32_t current_tick;                                
} SYN_TimerWheel;

SYN_Status syn_timer_wheel_init(SYN_TimerWheel *wheel);

SYN_Status syn_timer_wheel_add(SYN_TimerWheel *wheel, SYN_TimerWheelNode *node,
                               uint32_t delay_ticks, SYN_TimerWheelCb cb, void *arg);

SYN_Status syn_timer_wheel_cancel(SYN_TimerWheel *wheel, SYN_TimerWheelNode *node);

size_t syn_timer_wheel_step(SYN_TimerWheel *wheel);

#ifdef __cplusplus
}
#endif

#endif /* SYN_TIMER_WHEEL_H */