refactoring code

git-svn-id: https://weed-fs.googlecode.com/svn/trunk@24 282b0af5-e82d-9cf1-ede4-77906d7719d0
This commit is contained in:
chris.lu@gmail.com 2011-12-25 05:30:57 +00:00
parent 6813f118d4
commit ae3a53388f
7 changed files with 56 additions and 61 deletions

View file

@ -38,19 +38,8 @@ func storeHandler(w http.ResponseWriter, r *http.Request) {
} }
func GetHandler(w http.ResponseWriter, r *http.Request) { func GetHandler(w http.ResponseWriter, r *http.Request) {
n := new(storage.Needle) n := new(storage.Needle)
path := r.URL.Path vid, fid, ext := parseURLPath(r.URL.Path)
sepIndex := strings.LastIndex(path, "/") volumeId, _ := strconv.Atoui64(vid)
commaIndex := strings.LastIndex(path[sepIndex:], ",")
dotIndex := strings.LastIndex(path[sepIndex:], ".")
fid := path[commaIndex+1:]
if dotIndex > 0 {
fid = path[commaIndex+1 : dotIndex]
}
if commaIndex <= 0 {
log.Println("unknown file id", path[sepIndex+1:commaIndex])
return
}
volumeId, _ := strconv.Atoui64(path[sepIndex+1 : commaIndex])
n.ParsePath(fid) n.ParsePath(fid)
if *IsDebug { if *IsDebug {
@ -65,17 +54,14 @@ func GetHandler(w http.ResponseWriter, r *http.Request) {
log.Println("request with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent()) log.Println("request with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
return return
} }
if dotIndex > 0 { if ext!="" {
ext := path[dotIndex:]
w.Header().Set("Content-Type", mime.TypeByExtension(ext)) w.Header().Set("Content-Type", mime.TypeByExtension(ext))
} }
w.Write(n.Data) w.Write(n.Data)
} }
func PostHandler(w http.ResponseWriter, r *http.Request) { func PostHandler(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path vid, _, _ := parseURLPath(r.URL.Path)
commaIndex := strings.LastIndex(path, ",") volumeId, e := strconv.Atoui64(vid)
sepIndex := strings.LastIndex(path[:commaIndex], "/")
volumeId, e := strconv.Atoui64(path[sepIndex+1 : commaIndex])
if e != nil { if e != nil {
writeJson(w, r, e) writeJson(w, r, e)
} else { } else {
@ -87,19 +73,8 @@ func PostHandler(w http.ResponseWriter, r *http.Request) {
} }
func DeleteHandler(w http.ResponseWriter, r *http.Request) { func DeleteHandler(w http.ResponseWriter, r *http.Request) {
n := new(storage.Needle) n := new(storage.Needle)
path := r.URL.Path vid, fid, _ := parseURLPath(r.URL.Path)
sepIndex := strings.LastIndex(path, "/") volumeId, _ := strconv.Atoui64(vid)
commaIndex := strings.LastIndex(path[sepIndex:], ",")
dotIndex := strings.LastIndex(path[sepIndex:], ".")
fid := path[commaIndex+1:]
if dotIndex > 0 {
fid = path[commaIndex+1 : dotIndex]
}
if commaIndex <= 0 {
log.Println("unknown file id", path[sepIndex+1:commaIndex])
return
}
volumeId, _ := strconv.Atoui64(path[sepIndex+1 : commaIndex])
n.ParsePath(fid) n.ParsePath(fid)
cookie := n.Cookie cookie := n.Cookie
@ -130,6 +105,23 @@ func writeJson(w http.ResponseWriter, r *http.Request, obj interface{}) {
} }
//log.Println("JSON Response", string(bytes)) //log.Println("JSON Response", string(bytes))
} }
func parseURLPath(path string)(vid, fid, ext string){
sepIndex := strings.LastIndex(path, "/")
commaIndex := strings.LastIndex(path[sepIndex:], ",")
dotIndex := strings.LastIndex(path[sepIndex:], ".")
vid = path[sepIndex+1 : commaIndex]
fid = path[commaIndex+1:]
ext = ""
if dotIndex > 0 {
fid = path[commaIndex+1 : dotIndex]
ext = path[dotIndex+1:]
}
if commaIndex <= 0 {
log.Println("unknown file id", path[sepIndex+1:commaIndex])
return
}
return
}
func main() { func main() {
flag.Parse() flag.Parse()

View file

@ -6,6 +6,7 @@ import (
"storage" "storage"
"strconv" "strconv"
"strings" "strings"
"util"
) )
type FileId struct { type FileId struct {
@ -30,8 +31,8 @@ func ParseFileId(fid string) *FileId {
} }
func (n *FileId) String() string { func (n *FileId) String() string {
bytes := make([]byte, 12) bytes := make([]byte, 12)
storage.Uint64toBytes(bytes[0:8], n.Key) util.Uint64toBytes(bytes[0:8], n.Key)
storage.Uint32toBytes(bytes[8:12], n.Hashcode) util.Uint32toBytes(bytes[8:12], n.Hashcode)
nonzero_index := 0 nonzero_index := 0
for ; bytes[nonzero_index] == 0; nonzero_index++ { for ; bytes[nonzero_index] == 0; nonzero_index++ {
} }

View file

@ -8,6 +8,7 @@ import (
"log" "log"
"os" "os"
"strings" "strings"
. "util"
) )
type Needle struct { type Needle struct {

View file

@ -3,6 +3,7 @@ package storage
import ( import (
"log" "log"
"os" "os"
. "util"
) )
type NeedleValue struct { type NeedleValue struct {
@ -50,11 +51,8 @@ func LoadNeedleMap(file *os.File) *NeedleMap {
} }
return nm return nm
} }
func (nm *NeedleMap) PutInMap(key uint64, offset uint32, size uint32) {
nm.m[key] = &NeedleValue{Offset: offset, Size: size}
}
func (nm *NeedleMap) Put(key uint64, offset uint32, size uint32) (int, os.Error) { func (nm *NeedleMap) Put(key uint64, offset uint32, size uint32) (int, os.Error) {
nm.PutInMap(key,offset,size) nm.m[key] = &NeedleValue{Offset: offset, Size: size}
Uint64toBytes(nm.bytes[0:8], key) Uint64toBytes(nm.bytes[0:8], key)
Uint32toBytes(nm.bytes[8:12], offset) Uint32toBytes(nm.bytes[8:12], offset)
Uint32toBytes(nm.bytes[12:16], size) Uint32toBytes(nm.bytes[12:16], size)

View file

@ -8,6 +8,7 @@ import (
"strings" "strings"
"strconv" "strconv"
"url" "url"
"util"
) )
type Store struct { type Store struct {
@ -66,7 +67,7 @@ func (s *Store) Join(mserver string) {
values.Add("volumes", string(bytes)) values.Add("volumes", string(bytes))
log.Println("Registering exiting volumes", string(bytes)) log.Println("Registering exiting volumes", string(bytes))
values.Add("capacity", strconv.Itoa(s.capacity)) values.Add("capacity", strconv.Itoa(s.capacity))
retString := post("http://"+mserver+"/dir/join", values) retString := util.Post("http://"+mserver+"/dir/join", values)
if retString != nil { if retString != nil {
newVids := new([]int) newVids := new([]int)
log.Println("Instructed to create volume", string(retString)) log.Println("Instructed to create volume", string(retString))

View file

@ -1,11 +1,4 @@
package storage package util
import (
"http"
"io/ioutil"
"url"
"log"
)
func BytesToUint64(b []byte)(v uint64){ func BytesToUint64(b []byte)(v uint64){
length := uint(len(b)) length := uint(len(b))
@ -36,17 +29,3 @@ func Uint32toBytes(b []byte, v uint32){
} }
} }
func post(url string, values url.Values)[]byte{
r, err := http.PostForm(url, values)
if err != nil {
log.Println("post:", err)
return nil
}
defer r.Body.Close()
b, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Println("post:", err)
return nil
}
return b
}

View file

@ -0,0 +1,23 @@
package util
import (
"http"
"io/ioutil"
"url"
"log"
)
func Post(url string, values url.Values)[]byte{
r, err := http.PostForm(url, values)
if err != nil {
log.Println("post:", err)
return nil
}
defer r.Body.Close()
b, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Println("post:", err)
return nil
}
return b
}