Function _Cache_SetValue

src/util/cache/cache.c:23–55

}

static bool _Cache_SetValue(Cache *cache, const char *key, void *value,
  		size_t key_len) {
	ASSERT(key != NULL);
	ASSERT(cache != NULL);

	/* in case that another working thread had already inserted the item to the
	 * cache, no need to re-insert it */
	CacheEntry *entry = raxFind(cache->lookup, (unsigned char *)key, key_len);
	if(entry != raxNotFound) {
		return false;
	}

	// key is not in cache! test to see if cache is full?
	if(cache->size == cache->cap) {
		/* the cache is full, evict the least-recently-used element
		 * and reuse its space for the new element */
		entry = _CacheEvictLRU(cache);
	} else {
		// the array has space left in it, use the next available entry
		entry = cache->arr + cache->size++;
	}

	// populate the entry
	char *k = rm_strdup(key);
	cache->counter++;
	CacheArray_PopulateEntry(cache->counter, entry, k, value);


	// Add the new entry to the rax.
	raxInsert(cache->lookup, (unsigned char *)key, key_len, entry, NULL);

	return true;
}

Cache *Cache_New(uint cap, CacheEntryFreeFunc freeFunc, CacheEntryCopyFunc copyFunc) {
	ASSERT(cap > 0);