🧠 In-memory rate limiting backend interface More...

Functions
void *	memory_backend_create (void)
	Create memory backend instance.

uint64_t	rate_limiter_get_time_ms (void)
	Helper: Get current time in milliseconds.

const char *	rate_limiter_event_type_string (rate_event_type_t event_type)
	Helper: Get event type string for logging.

Variables
const rate_limiter_backend_ops_t	memory_backend_ops
	Memory backend operations vtable.

Detailed Description

🧠 In-memory rate limiting backend interface

Definition in file network/rate_limit/memory.h.

Function Documentation

◆ memory_backend_create()

void * memory_backend_create ( void )

Create memory backend instance.

Returns: Backend instance or NULL on failure

Definition at line 238 of file network/rate_limit/memory.c.

                                  {
  memory_backend_t *backend = SAFE_MALLOC(sizeof(memory_backend_t), memory_backend_t *);
  if (!backend) {
    log_error("Failed to allocate memory backend");
    return NULL;
  }
 
  memset(backend, 0, sizeof(*backend));
 
  if (mutex_init(&backend->lock) != 0) {
    log_error("Failed to initialize mutex");
    SAFE_FREE(backend);
    return NULL;
  }
 
  log_debug("Memory rate limiter backend initialized");
  return backend;
}

References memory_backend_t::lock, log_debug, log_error, mutex_init(), SAFE_FREE, and SAFE_MALLOC.

Referenced by rate_limiter_create_memory().

◆ rate_limiter_event_type_string()

const char * rate_limiter_event_type_string ( rate_event_type_t event_type )

Helper: Get event type string for logging.

Definition at line 184 of file rate_limit.c.

                                                                         {
  if (event_type >= RATE_EVENT_MAX) {
    return "unknown";
  }
  return event_type_strings[event_type];
}

References RATE_EVENT_MAX.

◆ rate_limiter_get_time_ms()

uint64_t rate_limiter_get_time_ms ( void )

Helper: Get current time in milliseconds.

Definition at line 175 of file rate_limit.c.

                                        {
  struct timespec ts;
  clock_gettime(CLOCK_REALTIME, &ts);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

Variable Documentation

◆ memory_backend_ops

const rate_limiter_backend_ops_t memory_backend_ops

extern

Memory backend operations vtable.

Definition at line 257 of file network/rate_limit/memory.c.

                                                      {
    .check = memory_check,
    .record = memory_record,
    .cleanup = memory_cleanup,
    .destroy = memory_destroy,
};