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Added zstd as a compression algorithm

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This commit is contained in:
VRDighe 2022-09-13 20:08:07 +05:30
parent 1517767129
commit 4f8b2aba9b
3 changed files with 9 additions and 9 deletions
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1
go.mod
View File

@ -19,6 +19,7 @@ require (
)
require (
github.com/DataDog/zstd v1.5.2
github.com/OneOfOne/xxhash v1.2.5 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect

2
go.sum
View File

@ -1,4 +1,6 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/DataDog/zstd v1.5.2 h1:vUG4lAyuPCXO0TLbXvPv7EB7cNK1QV/luu55UHLrrn8=
github.com/DataDog/zstd v1.5.2/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/OneOfOne/xxhash v1.2.5 h1:zl/OfRA6nftbBK9qTohYBJ5xvw6C/oNKizR7cZGl3cI=
github.com/OneOfOne/xxhash v1.2.5/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q=

15
src/compress/compress.go
View File

@ -2,9 +2,10 @@ package compress
import (
"bytes"
"compress/flate"
"io"
"github.com/DataDog/zstd"
log "github.com/schollz/logger"
)
@ -30,22 +31,18 @@ func Decompress(src []byte) []byte {
return deCompressedData.Bytes()
}
// compress uses flate to compress a byte slice to a corresponding level
// compress uses zstd to compress a byte slice to a corresponding level
func compress(src []byte, dest io.Writer, level int) {
compressor, err := flate.NewWriter(dest, level)
if err != nil {
log.Debugf("error level data: %v", err)
return
}
compressor := zstd.NewWriterLevel(dest, level)
if _, err := compressor.Write(src); err != nil {
log.Debugf("error writing data: %v", err)
}
compressor.Close()
}
// compress uses flate to decompress an io.Reader
// decompress uses zstd to decompress an io.Reader
func decompress(src io.Reader, dest io.Writer) {
decompressor := flate.NewReader(src)
decompressor := zstd.NewReader(src)
if _, err := io.Copy(dest, decompressor); err != nil {
log.Debugf("error copying data: %v", err)
}