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prepare for zstd

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This commit is contained in:
Chris Lu 2020-06-23 09:12:02 -07:00
parent a4e3cffe0a
commit fe60db404a
4 changed files with 38 additions and 35 deletions
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8
weed/operation/upload_content.go
View file

@ -98,7 +98,7 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i
mtype = ""
}
}
if shouldBeZipped, iAmSure := util.IsGzippableFileType(filepath.Base(filename), mtype); iAmSure && shouldBeZipped {
if shouldBeCompressed, iAmSure := util.IsCompressableFileType(filepath.Base(filename), mtype); iAmSure && shouldBeCompressed {
shouldGzipNow = true
} else if !iAmSure && mtype == "" && len(data) > 128 {
var compressed []byte
@ -142,7 +142,7 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i
uploadResult, err = upload_content(uploadUrl, func(w io.Writer) (err error) {
_, err = w.Write(encryptedData)
return
}, "", false, "", nil, jwt)
}, "", false, len(encryptedData), "", nil, jwt)
if uploadResult != nil {
uploadResult.Name = filename
uploadResult.Mime = mtype
@ -153,7 +153,7 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i
uploadResult, err = upload_content(uploadUrl, func(w io.Writer) (err error) {
_, err = w.Write(data)
return
}, filename, contentIsGzipped, mtype, pairMap, jwt)
}, filename, contentIsGzipped, 0, mtype, pairMap, jwt)
}
if uploadResult == nil {
@ -168,7 +168,7 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i
return uploadResult, err
}
func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error, filename string, isGzipped bool, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (*UploadResult, error) {
func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error, filename string, isGzipped bool, originalDataSize int, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (*UploadResult, error) {
body_buf := bytes.NewBufferString("")
body_writer := multipart.NewWriter(body_buf)
h := make(textproto.MIMEHeader)

12
weed/server/volume_server_handlers_read.go
View file

@ -142,21 +142,19 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
}
}
if ext != ".gz" {
if ext != ".gz" && ext != ".zst" {
if n.IsCompressed() {
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
if _, _, _, shouldResize := shouldResizeImages(ext, r); shouldResize {
if n.Data, err = util.DecompressData(n.Data); err != nil {
glog.V(0).Infoln("ungzip error:", err, r.URL.Path)
}
} else {
if util.IsGzippedContent(n.Data) {
} else if strings.Contains(r.Header.Get("Accept-Encoding"), "zstd") && util.IsZstdContent(n.Data) {
w.Header().Set("Content-Encoding", "zstd")
} else if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") && util.IsGzippedContent(n.Data) {
w.Header().Set("Content-Encoding", "gzip")
}
}
} else {
if n.Data, err = util.DecompressData(n.Data); err != nil {
glog.V(0).Infoln("ungzip error:", err, r.URL.Path)
glog.V(0).Infoln("uncompress error:", err, r.URL.Path)
}
}
}

5
weed/storage/needle/needle_parse_upload.go
View file

@ -21,6 +21,7 @@ type ParsedUpload struct {
MimeType string
PairMap map[string]string
IsGzipped bool
IsZstd bool
OriginalDataSize int
ModifiedTime uint64
Ttl *TTL
@ -67,7 +68,7 @@ func ParseUpload(r *http.Request, sizeLimit int64) (pu *ParsedUpload, e error) {
}
} else {
ext := filepath.Base(pu.FileName)
if shouldGzip, iAmSure := util.IsGzippableFileType(ext, pu.MimeType); pu.MimeType == "" && !iAmSure || shouldGzip && iAmSure {
if shouldBeCompressed, iAmSure := util.IsCompressableFileType(ext, pu.MimeType); pu.MimeType == "" && !iAmSure || shouldBeCompressed && iAmSure {
// println("ext", ext, "iAmSure", iAmSure, "shouldGzip", shouldGzip, "mimeType", pu.MimeType)
if compressedData, err := util.GzipData(pu.Data); err == nil {
if len(compressedData)*10 < len(pu.Data)*9 {
@ -83,6 +84,7 @@ func ParseUpload(r *http.Request, sizeLimit int64) (pu *ParsedUpload, e error) {
func parsePut(r *http.Request, sizeLimit int64, pu *ParsedUpload) (e error) {
pu.IsGzipped = r.Header.Get("Content-Encoding") == "gzip"
pu.IsZstd = r.Header.Get("Content-Encoding") == "zstd"
pu.MimeType = r.Header.Get("Content-Type")
pu.FileName = ""
pu.Data, e = ioutil.ReadAll(io.LimitReader(r.Body, sizeLimit+1))
@ -176,6 +178,7 @@ func parseMultipart(r *http.Request, sizeLimit int64, pu *ParsedUpload) (e error
}
pu.IsGzipped = part.Header.Get("Content-Encoding") == "gzip"
pu.IsZstd = part.Header.Get("Content-Encoding") == "zstd"
}
return

38
weed/util/compression.go
View file

@ -8,9 +8,8 @@ import (
"io/ioutil"
"strings"
"golang.org/x/tools/godoc/util"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/klauspost/compress/zstd"
)
func GzipData(input []byte) ([]byte, error) {
@ -30,6 +29,9 @@ func DecompressData(input []byte) ([]byte, error) {
if IsGzippedContent(input) {
return ungzipData(input)
}
if IsZstdContent(input) {
return unzstdData(input)
}
return nil, fmt.Errorf("unsupported compression")
}
@ -44,19 +46,10 @@ func ungzipData(input []byte) ([]byte, error) {
return output, err
}
/*
* Default more not to gzip since gzip can be done on client side.
*/
func IsGzippable(ext, mtype string, data []byte) bool {
var zstdEncoder, _ = zstd.NewWriter(nil)
shouldBeZipped, iAmSure := IsGzippableFileType(ext, mtype)
if iAmSure {
return shouldBeZipped
}
isMostlyText := util.IsText(data)
return isMostlyText
func unzstdData(input []byte) ([]byte, error) {
return zstdEncoder.EncodeAll(input, nil), nil
}
func IsGzippedContent(data []byte) bool {
@ -66,9 +59,16 @@ func IsGzippedContent(data []byte) bool {
return data[0] == 31 && data[1] == 139
}
func IsZstdContent(data []byte) bool {
if len(data) < 4 {
return false
}
return data[0] == 0xFD && data[1] == 0x2F && data[2] == 0xB5 && data[3] == 0x28
}
/*
* Default more not to gzip since gzip can be done on client side.
*/func IsGzippableFileType(ext, mtype string) (shouldBeZipped, iAmSure bool) {
* Default not to compressed since compression can be done on client side.
*/func IsCompressableFileType(ext, mtype string) (shouldBeCompressed, iAmSure bool) {
// text
if strings.HasPrefix(mtype, "text/") {
@ -86,7 +86,7 @@ func IsGzippedContent(data []byte) bool {
// by file name extension
switch ext {
case ".zip", ".rar", ".gz", ".bz2", ".xz":
case ".zip", ".rar", ".gz", ".bz2", ".xz", ".zst":
return false, true
case ".pdf", ".txt", ".html", ".htm", ".css", ".js", ".json":
return true, true
@ -98,13 +98,15 @@ func IsGzippedContent(data []byte) bool {
// by mime type
if strings.HasPrefix(mtype, "application/") {
if strings.HasSuffix(mtype, "zstd") {
return false, true
}
if strings.HasSuffix(mtype, "xml") {
return true, true
}
if strings.HasSuffix(mtype, "script") {
return true, true
}
}
if strings.HasPrefix(mtype, "audio/") {