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volume: support http status 304 for the same file id

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This commit is contained in:
Chris Lu
2019-04-21 13:33:23 -07:00
parent ebe94be1a1
commit 440111a349
6 changed files with 18 additions and 17 deletions
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4
weed/storage/store.go
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@@ -192,7 +192,7 @@ func (s *Store) Close() {
}
}
func (s *Store) Write(i needle.VolumeId, n *needle.Needle) (size uint32, err error) {
func (s *Store) Write(i needle.VolumeId, n *needle.Needle) (size uint32, isUnchanged bool, err error) {
if v := s.findVolume(i); v != nil {
if v.readOnly {
err = fmt.Errorf("Volume %d is read only", i)
@@ -200,7 +200,7 @@ func (s *Store) Write(i needle.VolumeId, n *needle.Needle) (size uint32, err err
}
// TODO: count needle size ahead
if MaxPossibleVolumeSize >= v.ContentSize()+uint64(size) {
_, size, err = v.writeNeedle(n)
_, size, isUnchanged, err = v.writeNeedle(n)
} else {
err = fmt.Errorf("Volume Size Limit %d Exceeded! Current size is %d", s.GetVolumeSizeLimit(), v.ContentSize())
}