refactoring content uploading

weed-fs/src/pkg/operation/upload_content.go

@@ -0,0 +1,40 @@
+package operation
+
+import (
+  "bytes"
+  "encoding/json"
+  "mime/multipart"
+  "net/http"
+  _ "fmt"
+  "io"
+  "io/ioutil"
+)
+
+type UploadResult struct {
+  Size int
+}
+
+func Upload(server string, fid 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)
+  if err != nil {
+    return nil, err
+  }
+  defer resp.Body.Close()
+  resp_body, err := ioutil.ReadAll(resp.Body)
+  if err != nil {
+    return nil, err
+  }
+  var ret UploadResult
+  err = json.Unmarshal(resp_body, &ret)
+  if err != nil {
+    panic(err.Error())
+  }
+  //fmt.Println("Uploaded " + strconv.Itoa(ret.Size) + " Bytes to " + uploadUrl)
+  return &ret, nil
+}

weed-fs/src/pkg/storage/store.go

@@ -135,6 +135,9 @@ func (s *Store) Read(i VolumeId, n *Needle) (int, error) {
 	}
 	return 0, errors.New("Not Found")
 }
+func (s *Store) GetVolume(i VolumeId) *Volume {
+  return s.volumes[i]
+}
 
 func (s *Store) HasVolume(i VolumeId) bool {
   _, ok := s.volumes[i]