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simplify delta of file id, for multi-versioning of a file

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git-svn-id: https://weed-fs.googlecode.com/svn/trunk@54 282b0af5-e82d-9cf1-ede4-77906d7719d0
This commit is contained in:
chris.lu@gmail.com 2012-07-16 17:15:16 +00:00
parent eb9456d7d5
commit d46e588200
1 changed files with 13 additions and 0 deletions
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13
weed-fs/src/pkg/storage/needle.go
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@ -8,6 +8,7 @@ import (
"net/http" "net/http"
"os" "os"
"pkg/util" "pkg/util"
"strconv"
"strings" "strings"
) )
@ -30,6 +31,7 @@ func NewNeedle(r *http.Request) (n *Needle, e error) {
return return
} }
part, _ := form.NextPart() part, _ := form.NextPart()
log.Println("uploading file " + part.FileName())
data, _ := ioutil.ReadAll(part) data, _ := ioutil.ReadAll(part)
n.Data = data n.Data = data
@ -52,7 +54,18 @@ func (n *Needle) ParsePath(fid string) {
} }
return return
} }
delta := ""
deltaIndex := strings.LastIndex(fid, "_")
if deltaIndex > 0 {
fid, delta = fid[0:deltaIndex], fid[deltaIndex+1:]
}
n.Key, n.Cookie = ParseKeyHash(fid) n.Key, n.Cookie = ParseKeyHash(fid)
if delta != "" {
d, e := strconv.ParseUint(delta, 10, 64)
if e == nil {
n.Key += d
}
}
} }
func (n *Needle) Append(w io.Writer) uint32 { func (n *Needle) Append(w io.Writer) uint32 {
header := make([]byte, 16) header := make([]byte, 16)