/
list.go
56 lines (52 loc) · 1.35 KB
/
list.go
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package image
import (
"github.com/Cloud-Foundations/Dominator/lib/hash"
"github.com/Cloud-Foundations/Dominator/lib/objectserver"
)
func (image *Image) listObjects() []hash.Hash {
hashes := make([]hash.Hash, 0, image.FileSystem.NumRegularInodes+2)
image.forEachObject(func(hashVal hash.Hash) error {
hashes = append(hashes, hashVal)
return nil
})
return hashes
}
func (image *Image) listMissingObjects(
objectsChecker objectserver.ObjectsChecker) ([]hash.Hash, error) {
hashBuffer := make([]hash.Hash, 1024)
var missingObjects []hash.Hash
index := 0
err := image.forEachObject(func(hashVal hash.Hash) error {
hashBuffer[index] = hashVal
index++
if index < len(hashBuffer) {
return nil
}
var err error
missingObjects, err = listMissingObjects(missingObjects, hashBuffer,
objectsChecker)
if err != nil {
return err
}
index = 0
return nil
})
if err != nil {
return nil, err
}
return listMissingObjects(missingObjects, hashBuffer[:index],
objectsChecker)
}
func listMissingObjects(missingObjects, hashes []hash.Hash,
objectsChecker objectserver.ObjectsChecker) ([]hash.Hash, error) {
objectSizes, err := objectsChecker.CheckObjects(hashes)
if err != nil {
return nil, err
}
for index, size := range objectSizes {
if size < 1 {
missingObjects = append(missingObjects, hashes[index])
}
}
return missingObjects, nil
}