now any data node can accept storing files

files are automatically copied to replicas
This commit is contained in:
Chris Lu 2012-09-20 21:03:40 -07:00
parent 08dcf2f035
commit 77c0de914a
4 changed files with 20 additions and 15 deletions

View file

@ -71,7 +71,7 @@ func upload(filename string, server string, fid string) (int) {
}
panic(err.Error())
}
ret, _ := operation.Upload(server, fid, filename, fh)
ret, _ := operation.Upload("http://"+server+"/"+fid, filename, fh)
return ret.Size
}

View file

@ -1,6 +1,7 @@
package main
import (
"bytes"
"encoding/json"
"log"
"math/rand"
@ -127,31 +128,34 @@ func GetHandler(w http.ResponseWriter, r *http.Request) {
w.Write(n.Data)
}
func PostHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
vid, _, _ := parseURLPath(r.URL.Path)
volumeId, e := storage.NewVolumeId(vid)
if e != nil {
writeJson(w, r, e)
} else {
needle, ne := storage.NewNeedle(r)
needle, filename, ne := storage.NewNeedle(r)
if ne != nil {
writeJson(w, r, ne)
} else {
ret := store.Write(volumeId, needle)
if ret > 0 { //send to other replica locations
if ret > 0 || !store.HasVolume(volumeId){ //send to other replica locations
if r.FormValue("type") != "standard" {
waitTime, err := strconv.Atoi(r.FormValue("wait"))
lookupResult, lookupErr := operation.Lookup(*server, volumeId)
if lookupErr == nil {
sendFunc := func(background bool) {
postContentFunc := func(location operation.Location) bool{
return true
postContentFunc := func(location operation.Location) bool {
operation.Upload("http://"+location.PublicUrl+r.URL.Path+"?type=standard", filename, bytes.NewReader(needle.Data))
return true
}
for _, location := range lookupResult.Locations {
if background {
go postContentFunc(location)
}else{
postContentFunc(location)
if location.PublicUrl != *publicUrl {
if background {
go postContentFunc(location)
} else {
postContentFunc(location)
}
}
}
}

View file

@ -14,14 +14,14 @@ type UploadResult struct {
Size int
}
func Upload(server string, fid string, filename string, reader io.Reader) (*UploadResult, error) {
func Upload(uploadUrl string, filename string, reader io.Reader) (*UploadResult, error) {
body_buf := bytes.NewBufferString("")
body_writer := multipart.NewWriter(body_buf)
file_writer, err := body_writer.CreateFormFile("file", filename)
io.Copy(file_writer, reader)
content_type := body_writer.FormDataContentType()
body_writer.Close()
resp, err := http.Post("http://"+server+"/"+fid, content_type, body_buf)
resp, err := http.Post(uploadUrl, content_type, body_buf)
if err != nil {
return nil, err
}

View file

@ -2,6 +2,7 @@ package storage
import (
"encoding/hex"
"fmt"
"io"
"io/ioutil"
"mime"
@ -21,17 +22,17 @@ type Needle struct {
Padding []byte "Aligned to 8 bytes"
}
func NewNeedle(r *http.Request) (n *Needle, e error) {
func NewNeedle(r *http.Request) (n *Needle, fname string, e error) {
n = new(Needle)
form, fe := r.MultipartReader()
if fe != nil {
println("MultipartReader [ERROR]", fe)
fmt.Println("MultipartReader [ERROR]", fe)
e = fe
return
}
part, _ := form.NextPart()
fname := part.FileName()
fname = part.FileName()
data, _ := ioutil.ReadAll(part)
//log.Println("uploading file " + part.FileName())
dotIndex := strings.LastIndex(fname, ".")