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Default more not to gzip since gzip can be done on client side.

pull/2/head
Chris Lu 12 years ago
parent
commit
264678c9b1
  1. 96
      weed-fs/src/pkg/storage/compress.go

96
weed-fs/src/pkg/storage/compress.go

@ -1,49 +1,69 @@
package storage package storage
import ( import (
"bytes"
"compress/flate"
"compress/gzip"
"io/ioutil"
"strings"
"bytes"
"compress/flate"
"compress/gzip"
"io/ioutil"
"strings"
) )
/*
* Default more not to gzip since gzip can be done on client side.
*/
func IsGzippable(ext, mtype string) bool { func IsGzippable(ext, mtype string) bool {
if ext == ".zip" {
return false
}
if ext == ".rar" {
return false
}
if ext == ".gz" {
return false
}
if strings.Index(mtype,"text/")==0 {
return true
}
if strings.Index(mtype,"application/")==0 {
return true
}
return false
if strings.HasPrefix(mtype, "text/"){
return true
}
if ext == ".zip" {
return false
}
if ext == ".rar" {
return false
}
if ext == ".gz" {
return false
}
if ext == ".pdf" {
return true
}
if ext == ".css" {
return true
}
if ext == ".js" {
return true
}
if ext == ".json" {
return true
}
if strings.HasPrefix(mtype, "application/") {
if strings.HasSuffix(mtype, "xml") {
return true
}
if strings.HasSuffix(mtype, "script") {
return true
}
}
return false
} }
func GzipData(input []byte) []byte { func GzipData(input []byte) []byte {
buf := new(bytes.Buffer)
w, _ := gzip.NewWriterLevel(buf, flate.BestCompression)
if _, err := w.Write(input); err!=nil {
println("error compressing data:", err)
}
if err := w.Close(); err!=nil {
println("error closing compressed data:", err)
}
return buf.Bytes()
buf := new(bytes.Buffer)
w, _ := gzip.NewWriterLevel(buf, flate.BestCompression)
if _, err := w.Write(input); err != nil {
println("error compressing data:", err)
}
if err := w.Close(); err != nil {
println("error closing compressed data:", err)
}
return buf.Bytes()
} }
func UnGzipData(input []byte) []byte { func UnGzipData(input []byte) []byte {
buf := bytes.NewBuffer(input)
r, _ := gzip.NewReader(buf)
defer r.Close()
output, err := ioutil.ReadAll(r)
if err!=nil {
println("error uncompressing data:", err)
}
return output
buf := bytes.NewBuffer(input)
r, _ := gzip.NewReader(buf)
defer r.Close()
output, err := ioutil.ReadAll(r)
if err != nil {
println("error uncompressing data:", err)
}
return output
} }
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