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