1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
package operation
import (
"encoding/json"
"errors"
"fmt"
"net/url"
"strings"
"sync"
"net/http"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/util"
)
type DeleteResult struct {
Fid string `json:"fid"`
Size int `json:"size"`
Status int `json:"status"`
Error string `json:"error,omitempty"`
}
func DeleteFromVolumeServer(fileUrlOnVolume string, jwt security.EncodedJwt) error {
err := util.Delete(fileUrlOnVolume, jwt)
if err != nil {
return fmt.Errorf("Failed to delete %s:%v", fileUrlOnVolume, err)
}
return nil
}
func DeleteFile(master string, fileId string, jwt security.EncodedJwt) error {
fileUrl, err := LookupFileId(master, fileId)
if err != nil {
glog.V(0).Infof("Delete %s lookup: %v, master: %s", fileId, err, master)
return nil
}
err = util.Delete(fileUrl, jwt)
if err != nil {
return fmt.Errorf("Failed to delete %s:%v", fileUrl, err)
}
return nil
}
func ParseFileId(fid string) (vid string, key_cookie string, err error) {
commaIndex := strings.Index(fid, ",")
if commaIndex <= 0 {
return "", "", errors.New("Wrong fid format.")
}
return fid[:commaIndex], fid[commaIndex+1:], nil
}
type DeleteFilesResult struct {
Errors []string
Results []DeleteResult
}
func DeleteFiles(master string, fileIds []string) (*DeleteFilesResult, error) {
vid_to_fileIds := make(map[string][]string)
ret := &DeleteFilesResult{}
var vids []string
for _, fileId := range fileIds {
vid, _, err := ParseFileId(fileId)
if err != nil {
ret.Results = append(ret.Results, DeleteResult{
Fid: vid,
Status: http.StatusBadRequest,
Error: err.Error()},
)
continue
}
if _, ok := vid_to_fileIds[vid]; !ok {
vid_to_fileIds[vid] = make([]string, 0)
vids = append(vids, vid)
}
vid_to_fileIds[vid] = append(vid_to_fileIds[vid], fileId)
}
lookupResults, err := LookupVolumeIds(master, vids)
if err != nil {
return ret, err
}
server_to_fileIds := make(map[string][]string)
for vid, result := range lookupResults {
if result.Error != "" {
ret.Errors = append(ret.Errors, result.Error)
continue
}
for _, location := range result.Locations {
if _, ok := server_to_fileIds[location.Url]; !ok {
server_to_fileIds[location.Url] = make([]string, 0)
}
server_to_fileIds[location.Url] = append(
server_to_fileIds[location.Url], vid_to_fileIds[vid]...)
}
}
var wg sync.WaitGroup
for server, fidList := range server_to_fileIds {
wg.Add(1)
go func(server string, fidList []string) {
defer wg.Done()
values := make(url.Values)
for _, fid := range fidList {
values.Add("fid", fid)
}
jsonBlob, err := util.Post("http://"+server+"/delete", values)
if err != nil {
ret.Errors = append(ret.Errors, err.Error()+" "+string(jsonBlob))
return
}
var result []DeleteResult
err = json.Unmarshal(jsonBlob, &result)
if err != nil {
ret.Errors = append(ret.Errors, err.Error()+" "+string(jsonBlob))
return
}
ret.Results = append(ret.Results, result...)
}(server, fidList)
}
wg.Wait()
return ret, nil
}
|
