Chris Lu
12 years ago
5 changed files with 145 additions and 104 deletions
-
40go/operation/assign_file_id.go
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91go/operation/submit.go
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14go/operation/upload_content.go
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2go/weed/master.go
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102go/weed/upload.go
@ -0,0 +1,40 @@ |
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package operation |
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|
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import ( |
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"code.google.com/p/weed-fs/go/glog" |
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"code.google.com/p/weed-fs/go/util" |
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"encoding/json" |
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"errors" |
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"net/url" |
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"strconv" |
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) |
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|
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type AssignResult struct { |
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Fid string `json:"fid"` |
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Url string `json:"url"` |
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PublicUrl string `json:"publicUrl"` |
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Count int |
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Error string `json:"error"` |
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} |
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|
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func Assign(server string, count int, replication string) (*AssignResult, error) { |
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values := make(url.Values) |
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values.Add("count", strconv.Itoa(count)) |
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if replication != "" { |
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values.Add("replication", replication) |
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} |
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jsonBlob, err := util.Post("http://"+server+"/dir/assign", values) |
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glog.V(2).Info("assign result :", string(jsonBlob)) |
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if err != nil { |
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return nil, err |
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} |
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var ret AssignResult |
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err = json.Unmarshal(jsonBlob, &ret) |
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if err != nil { |
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return nil, err |
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} |
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if ret.Count <= 0 { |
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return nil, errors.New(ret.Error) |
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} |
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return &ret, nil |
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} |
@ -0,0 +1,91 @@ |
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package operation |
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|
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import ( |
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"code.google.com/p/weed-fs/go/glog" |
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"io" |
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"mime" |
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"os" |
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"path" |
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"path/filepath" |
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"strconv" |
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"strings" |
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) |
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|
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type SubmitResult struct { |
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FileName string `json:"fileName"` |
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FileUrl string `json:"fileUrl"` |
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Fid string `json:"fid"` |
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Size int `json:"size"` |
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Error string `json:"error"` |
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} |
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|
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func Submit(master string, reader io.Reader, replication string) (result SubmitResult, err error) { |
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assignResult, assignError := Assign(master, 1, replication) |
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if assignError != nil { |
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result.Error = assignError.Error() |
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return |
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} |
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url := "http://" + assignResult.PublicUrl + "/" + assignResult.Fid |
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uploadResult, uploadError := Upload(url, "", reader, false, "") |
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if uploadError != nil { |
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result.Error = uploadError.Error() |
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return |
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} |
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result.Size = uploadResult.Size |
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result.FileUrl = url |
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result.Fid = assignResult.Fid |
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return result, nil |
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} |
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|
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func SubmitFiles(master string, files []string, replication string) ([]SubmitResult, error) { |
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results := make([]SubmitResult, len(files)) |
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for index, file := range files { |
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results[index].FileName = file |
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} |
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ret, err := Assign(master, len(files), replication) |
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if err != nil { |
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for index, _ := range files { |
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results[index].Error = err.Error() |
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} |
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return results, err |
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} |
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for index, file := range files { |
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fid := ret.Fid |
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if index > 0 { |
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fid = fid + "_" + strconv.Itoa(index) |
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} |
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results[index].Size, err = upload(file, ret.PublicUrl, fid) |
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if err != nil { |
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fid = "" |
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results[index].Error = err.Error() |
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} |
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results[index].Fid = fid |
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results[index].FileUrl = ret.PublicUrl + "/" + fid |
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} |
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return results, nil |
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} |
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|
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func upload(filename string, server string, fid string) (int, error) { |
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glog.V(2).Info("Start uploading file:", filename) |
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fh, err := os.Open(filename) |
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if err != nil { |
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glog.V(0).Info("Failed to open file: ", filename) |
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return 0, err |
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} |
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fi, fiErr := fh.Stat() |
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if fiErr != nil { |
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glog.V(0).Info("Failed to stat file:", filename) |
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return 0, fiErr |
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} |
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filename = path.Base(filename) |
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isGzipped := path.Ext(filename) == ".gz" |
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if isGzipped { |
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filename = filename[0 : len(filename)-3] |
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} |
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mtype := mime.TypeByExtension(strings.ToLower(filepath.Ext(filename))) |
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ret, e := Upload("http://"+server+"/"+fid+"?ts="+strconv.Itoa(int(fi.ModTime().Unix())), filename, fh, isGzipped, mtype) |
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if e != nil { |
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return 0, e |
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} |
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return ret.Size, e |
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} |
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