[#1523] blobstor: Rename `compression.CConfig` to `Config`

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>

pkg/local_object_storage/blobstor/blobovniczatree/blobovnicza.go

@@ -48,11 +48,11 @@ import (
 // B-s are intitialized and opened.
 //
 // Object is saved as follows:
-// 1. at each level, according to HRW, the next one is selected and
-//   dives into it until we reach the deepest;
-// 2. at the B-s level object is saved to the active B. If active B
-//   is full, next B is opened, initialized and cached. If there
-//   is no more X candidates, goto 1 and process next level.
+//  1. at each level, according to HRW, the next one is selected and
+//     dives into it until we reach the deepest;
+//  2. at the B-s level object is saved to the active B. If active B
+//     is full, next B is opened, initialized and cached. If there
+//     is no more X candidates, goto 1 and process next level.
 //
 // After the object is saved in B, path concatenation is returned
 // in system path format as B identifier (ex. "0/1/1" or "3/2/1").
@@ -228,6 +228,6 @@ func (b *Blobovniczas) Type() string {
 }
 
 // SetCompressor implements common.Storage.
-func (b *Blobovniczas) SetCompressor(cc *compression.CConfig) {
-	b.CConfig = cc
+func (b *Blobovniczas) SetCompressor(cc *compression.Config) {
+	b.compression = cc
 }

pkg/local_object_storage/blobstor/blobovniczatree/get.go

@@ -132,7 +132,7 @@ func (b *Blobovniczas) getObject(blz *blobovnicza.Blobovnicza, prm blobovnicza.G
 	}
 
 	// decompress the data
-	data, err := b.Decompress(res.Object())
+	data, err := b.compression.Decompress(res.Object())
 	if err != nil {
 		return common.GetRes{}, fmt.Errorf("could not decompress object data: %w", err)
 	}

pkg/local_object_storage/blobstor/blobovniczatree/get_range.go

@@ -154,7 +154,7 @@ func (b *Blobovniczas) getObjectRange(blz *blobovnicza.Blobovnicza, prm common.G
 	}
 
 	// decompress the data
-	data, err := b.Decompress(res.Object())
+	data, err := b.compression.Decompress(res.Object())
 	if err != nil {
 		return common.GetRangeRes{}, fmt.Errorf("could not decompress object data: %w", err)
 	}

pkg/local_object_storage/blobstor/blobovniczatree/iterate.go

@@ -14,7 +14,7 @@ import (
 func (b *Blobovniczas) Iterate(prm common.IteratePrm) (common.IterateRes, error) {
 	return common.IterateRes{}, b.iterateBlobovniczas(prm.IgnoreErrors, func(p string, blz *blobovnicza.Blobovnicza) error {
 		return blobovnicza.IterateObjects(blz, func(addr oid.Address, data []byte) error {
-			data, err := b.Decompress(data)
+			data, err := b.compression.Decompress(data)
 			if err != nil {
 				if prm.IgnoreErrors {
 					if prm.ErrorHandler != nil {

pkg/local_object_storage/blobstor/blobovniczatree/option.go

@@ -16,8 +16,8 @@ type cfg struct {
 	openedCacheSize int
 	blzShallowDepth uint64
 	blzShallowWidth uint64
-	*compression.CConfig
-	blzOpts []blobovnicza.Option
+	compression     *compression.Config
+	blzOpts         []blobovnicza.Option
 }
 
 type Option func(*cfg)

pkg/local_object_storage/blobstor/blobovniczatree/put.go

@@ -14,7 +14,7 @@ import (
 // returns error if could not save object in any blobovnicza.
 func (b *Blobovniczas) Put(prm common.PutPrm) (common.PutRes, error) {
 	if !prm.DontCompress {
-		prm.RawData = b.CConfig.Compress(prm.RawData)
+		prm.RawData = b.compression.Compress(prm.RawData)
 	}
 
 	var putPrm blobovnicza.PutPrm

pkg/local_object_storage/blobstor/blobstor.go

@@ -32,9 +32,9 @@ type Info = fstree.Info
 type Option func(*cfg)
 
 type cfg struct {
-	compression.CConfig
-	log     *logger.Logger
-	storage []SubStorage
+	compression compression.Config
+	log         *logger.Logger
+	storage     []SubStorage
 }
 
 func initConfig(c *cfg) {
@@ -51,7 +51,7 @@ func New(opts ...Option) *BlobStor {
 	}
 
 	for i := range bs.storage {
-		bs.storage[i].Storage.SetCompressor(&bs.CConfig)
+		bs.storage[i].Storage.SetCompressor(&bs.compression)
 	}
 
 	return bs
@@ -86,7 +86,7 @@ func WithLogger(l *logger.Logger) Option {
 // is recorded in the provided log.
 func WithCompressObjects(comp bool) Option {
 	return func(c *cfg) {
-		c.Enabled = comp
+		c.compression.Enabled = comp
 	}
 }
 
@@ -94,6 +94,6 @@ func WithCompressObjects(comp bool) Option {
 // for specific content types as seen by object.AttributeContentType attribute.
 func WithUncompressableContentTypes(values []string) Option {
 	return func(c *cfg) {
-		c.UncompressableContentTypes = values
+		c.compression.UncompressableContentTypes = values
 	}
 }

pkg/local_object_storage/blobstor/common/storage.go

@@ -10,7 +10,7 @@ type Storage interface {
 	Close() error
 
 	Type() string
-	SetCompressor(cc *compression.CConfig)
+	SetCompressor(cc *compression.Config)
 
 	Get(GetPrm) (GetRes, error)
 	GetRange(GetRangePrm) (GetRangeRes, error)

pkg/local_object_storage/blobstor/compression/compress.go

@@ -8,8 +8,8 @@ import (
 	objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
 )
 
-// CConfig represents common compression-related configuration.
-type CConfig struct {
+// Config represents common compression-related configuration.
+type Config struct {
 	Enabled                    bool
 	UncompressableContentTypes []string
 
@@ -22,7 +22,7 @@ type CConfig struct {
 var zstdFrameMagic = []byte{0x28, 0xb5, 0x2f, 0xfd}
 
 // Init initializes compression routines.
-func (c *CConfig) Init() error {
+func (c *Config) Init() error {
 	var err error
 
 	if c.Enabled {
@@ -44,7 +44,7 @@ func (c *CConfig) Init() error {
 // For an object to be compressed 2 conditions must hold:
 // 1. Compression is enabled in settings.
 // 2. Object MIME Content-Type is allowed for compression.
-func (c *CConfig) NeedsCompression(obj *objectSDK.Object) bool {
+func (c *Config) NeedsCompression(obj *objectSDK.Object) bool {
 	if !c.Enabled || len(c.UncompressableContentTypes) == 0 {
 		return c.Enabled
 	}
@@ -73,7 +73,7 @@ func (c *CConfig) NeedsCompression(obj *objectSDK.Object) bool {
 
 // Decompress decompresses data if it starts with the magic
 // and returns data untouched otherwise.
-func (c *CConfig) Decompress(data []byte) ([]byte, error) {
+func (c *Config) Decompress(data []byte) ([]byte, error) {
 	if len(data) < 4 || !bytes.Equal(data[:4], zstdFrameMagic) {
 		return data, nil
 	}
@@ -82,7 +82,7 @@ func (c *CConfig) Decompress(data []byte) ([]byte, error) {
 
 // Compress compresses data if compression is enabled
 // and returns data untouched otherwise.
-func (c *CConfig) Compress(data []byte) []byte {
+func (c *Config) Compress(data []byte) []byte {
 	if c == nil || !c.Enabled {
 		return data
 	}
@@ -90,7 +90,7 @@ func (c *CConfig) Compress(data []byte) []byte {
 }
 
 // Close closes encoder and decoder, returns any error occured.
-func (c *CConfig) Close() error {
+func (c *Config) Close() error {
 	var err error
 	if c.encoder != nil {
 		err = c.encoder.Close()

pkg/local_object_storage/blobstor/control.go

@@ -31,7 +31,7 @@ var ErrInitBlobovniczas = errors.New("failure on blobovnicza initialization stag
 func (b *BlobStor) Init() error {
 	b.log.Debug("initializing...")
 
-	if err := b.CConfig.Init(); err != nil {
+	if err := b.compression.Init(); err != nil {
 		return err
 	}
 
@@ -60,7 +60,7 @@ func (b *BlobStor) Close() error {
 		}
 	}
 
-	err := b.CConfig.Close()
+	err := b.compression.Close()
 	if firstErr == nil {
 		firstErr = err
 	}

pkg/local_object_storage/blobstor/fstree/fstree.go

@@ -22,7 +22,7 @@ import (
 type FSTree struct {
 	Info
 
-	*compression.CConfig
+	*compression.Config
 	Depth      int
 	DirNameLen int
 }
@@ -51,7 +51,7 @@ func New(opts ...Option) *FSTree {
 			Permissions: 0700,
 			RootPath:    "./",
 		},
-		CConfig:    nil,
+		Config:     nil,
 		Depth:      4,
 		DirNameLen: DirNameLen,
 	}
@@ -318,6 +318,6 @@ func (*FSTree) Type() string {
 }
 
 // SetCompressor implements common.Storage.
-func (t *FSTree) SetCompressor(cc *compression.CConfig) {
-	t.CConfig = cc
+func (t *FSTree) SetCompressor(cc *compression.Config) {
+	t.Config = cc
 }

pkg/local_object_storage/blobstor/put.go

@@ -54,5 +54,5 @@ func (b *BlobStor) Put(prm common.PutPrm) (common.PutRes, error) {
 // 1. Compression is enabled in settings.
 // 2. Object MIME Content-Type is allowed for compression.
 func (b *BlobStor) NeedsCompression(obj *objectSDK.Object) bool {
-	return b.cfg.CConfig.NeedsCompression(obj)
+	return b.cfg.compression.NeedsCompression(obj)
 }