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
|
package shell
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"io"
"strings"
)
func init() {
commands = append(commands, &commandFsCd{})
}
type commandFsCd struct {
}
func (c *commandFsCd) Name() string {
return "fs.cd"
}
func (c *commandFsCd) Help() string {
return `change directory to http://<filer_server>:<port>/dir/
The full path can be too long to type. For example,
fs.ls http://<filer_server>:<port>/some/path/to/file_name
can be simplified as
fs.cd http://<filer_server>:<port>/some/path
fs.ls to/file_name
`
}
func (c *commandFsCd) Do(args []string, commandEnv *commandEnv, writer io.Writer) (err error) {
input := ""
if len(args) > 0 {
input = args[len(args)-1]
}
filerServer, filerPort, path, err := commandEnv.parseUrl(input)
if err != nil {
return err
}
dir, name := filer2.FullPath(path).DirAndName()
if strings.HasSuffix(path, "/") {
if path == "/" {
dir, name = "/", ""
} else {
dir, name = filer2.FullPath(path[0:len(path)-1]).DirAndName()
}
}
ctx := context.Background()
err = commandEnv.withFilerClient(ctx, filerServer, filerPort, func(client filer_pb.SeaweedFilerClient) error {
resp, listErr := client.ListEntries(ctx, &filer_pb.ListEntriesRequest{
Directory: dir,
Prefix: name,
StartFromFileName: name,
InclusiveStartFrom: true,
Limit: 1,
})
if listErr != nil {
return listErr
}
if path == "" || path == "/" {
return nil
}
if len(resp.Entries) == 0 {
return fmt.Errorf("entry not found")
}
if resp.Entries[0].Name != name {
println("path", path, "dir", dir, "name", name, "found", resp.Entries[0].Name)
return fmt.Errorf("not a valid directory, found %s", resp.Entries[0].Name)
}
if !resp.Entries[0].IsDirectory {
return fmt.Errorf("not a directory")
}
return nil
})
if err == nil {
commandEnv.option.FilerHost = filerServer
commandEnv.option.FilerPort = filerPort
commandEnv.option.Directory = path
}
return err
}
|
