callback_timing.h

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#ifndef WEBSOCKET_CALLBACK_TIMING_H
#define WEBSOCKET_CALLBACK_TIMING_H
 
#include <stdint.h>
#include <libplatform/atomic.h>
#include <ascii-chat/util/time.h>

typedef struct {
  atomic_t count;             // Total invocations
  atomic_t last_ns;           // Last callback timestamp (nanoseconds)
  atomic_t min_interval_ns;   // Minimum interval between callbacks
  atomic_t max_interval_ns;   // Maximum interval between callbacks
  atomic_t total_duration_ns; // Cumulative callback duration
} websocket_callback_stats_t;

typedef struct {
  websocket_callback_stats_t protocol_init;
  websocket_callback_stats_t protocol_destroy;
  websocket_callback_stats_t server_writeable;
  websocket_callback_stats_t receive;
} websocket_callback_timing_t;

extern websocket_callback_timing_t g_ws_callback_timing;

static inline uint64_t websocket_callback_timing_start(void) {
  return time_get_ns();
}

void websocket_callback_timing_record(websocket_callback_stats_t *stats, uint64_t start_ns, uint64_t end_ns);

void websocket_callback_timing_log_stats(void);

void websocket_callback_timing_reset(void);
 
#endif // WEBSOCKET_CALLBACK_TIMING_H