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Implement GetObjectNInfo object layer call (#6290)

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This combines calling GetObjectInfo and GetObject while returning a
io.ReadCloser for the object's body. This allows the two operations to
be under a single lock, fixing a race between getting object info and
reading the object body.
This commit is contained in:
Aditya Manthramurthy
2018-08-27 02:58:23 -07:00
committed by Nitish Tiwari
parent cea4f82586
commit e6d740ce09
19 changed files with 926 additions and 69 deletions
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5
cmd/xl-sets.go
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@@ -550,6 +550,11 @@ func (s *xlSets) ListBuckets(ctx context.Context) (buckets []BucketInfo, err err
// --- Object Operations ---
// GetObjectNInfo
func (s *xlSets) GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec) (objInfo ObjectInfo, reader io.ReadCloser, err error) {
return s.getHashedSet(object).GetObjectNInfo(ctx, bucket, object, rs)
}
// GetObject - reads an object from the hashedSet based on the object name.
func (s *xlSets) GetObject(ctx context.Context, bucket, object string, startOffset int64, length int64, writer io.Writer, etag string) error {
return s.getHashedSet(object).GetObject(ctx, bucket, object, startOffset, length, writer, etag)