// getBucketMetadataReaders - readers are returned in map rather than slice
func (donut API) getBucketMetadataReaders() (map[int]io.ReadCloser, error) {
readers := make(map[int]io.ReadCloser)
disks := make(map[int]disk.Disk)
var err error
for _, node := range donut.nodes {
nDisks, err := node.ListDisks()
if err != nil {
return nil, iodine.New(err, nil)
}
for k, v := range nDisks {
disks[k] = v
}
}
var bucketMetaDataReader io.ReadCloser
for order, disk := range disks {
bucketMetaDataReader, err = disk.OpenFile(filepath.Join(donut.config.DonutName, bucketMetadataConfig))
if err != nil {
continue
}
readers[order] = bucketMetaDataReader
}
if err != nil {
return nil, iodine.New(err, nil)
}
return readers, nil
}
// getObjectReaders -
func (b bucket) getObjectReaders(objectName, objectMeta string) (map[int]io.ReadCloser, error) {
readers := make(map[int]io.ReadCloser)
var disks map[int]disk.Disk
var err error
nodeSlice := 0
for _, node := range b.nodes {
disks, err = node.ListDisks()
if err != nil {
return nil, iodine.New(err, nil)
}
for order, disk := range disks {
var objectSlice io.ReadCloser
bucketSlice := fmt.Sprintf("%s$%d$%d", b.name, nodeSlice, order)
objectPath := filepath.Join(b.donutName, bucketSlice, objectName, objectMeta)
objectSlice, err = disk.OpenFile(objectPath)
if err == nil {
readers[order] = objectSlice
}
}
nodeSlice = nodeSlice + 1
}
if err != nil {
return nil, iodine.New(err, nil)
}
return readers, nil
}
func (b bucket) getBucketMetadataReaders() (map[int]io.ReadCloser, error) {
readers := make(map[int]io.ReadCloser)
var disks map[int]disk.Disk
var err error
for _, node := range b.nodes {
disks, err = node.ListDisks()
if err != nil {
return nil, iodine.New(err, nil)
}
}
var bucketMetaDataReader io.ReadCloser
for order, disk := range disks {
bucketMetaDataReader, err = disk.OpenFile(filepath.Join(b.donutName, bucketMetadataConfig))
if err != nil {
continue
}
readers[order] = bucketMetaDataReader
}
if err != nil {
return nil, iodine.New(err, nil)
}
return readers, nil
}