// NewDriver instantiate a new cache driver
func NewDriver(maxSize uint64, expiration time.Duration) (drivers.Driver, error) {
cache := new(cacheDriver)
cache.storedBuckets = make(map[string]storedBucket)
cache.objects = trove.NewCache(maxSize, expiration)
cache.maxSize = maxSize
cache.expiration = expiration
cache.multiPartObjects = trove.NewCache(0, time.Duration(0))
cache.lock = new(sync.RWMutex)
cache.objects.OnExpired = cache.expiredObject
cache.multiPartObjects.OnExpired = cache.expiredPart
// set up cache expiration
cache.objects.ExpireObjects(time.Second * 5)
return cache, nil
}
// NewDriver instantiate a donut driver
func NewDriver(paths []string, maxSize uint64, expiration time.Duration) (drivers.Driver, error) {
driver := new(donutDriver)
driver.storedBuckets = make(map[string]storedBucket)
driver.objects = trove.NewCache(maxSize, expiration)
driver.maxSize = maxSize
driver.expiration = expiration
driver.multiPartObjects = trove.NewCache(0, time.Duration(0))
driver.lock = new(sync.RWMutex)
driver.objects.OnExpired = driver.expiredObject
driver.multiPartObjects.OnExpired = driver.expiredPart
// set up memory expiration
driver.objects.ExpireObjects(time.Second * 5)
driver.paths = paths
driver.lock = new(sync.RWMutex)
err := initialize(driver)
return driver, err
}