aboutsummaryrefslogtreecommitdiff
path: root/weed/s3api/filer_util.go
blob: 2fceacd2a62199c58633d6a93cd96c530b3ed5cb (plain)
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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
package s3api

import (
	"context"
	"fmt"
	"io"
	"os"
	"strings"
	"time"

	"github.com/chrislusf/seaweedfs/weed/glog"
	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)

func (s3a *S3ApiServer) mkdir(ctx context.Context, parentDirectoryPath string, dirName string, fn func(entry *filer_pb.Entry)) error {
	return s3a.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {

		entry := &filer_pb.Entry{
			Name:        dirName,
			IsDirectory: true,
			Attributes: &filer_pb.FuseAttributes{
				Mtime:    time.Now().Unix(),
				Crtime:   time.Now().Unix(),
				FileMode: uint32(0777 | os.ModeDir),
				Uid:      OS_UID,
				Gid:      OS_GID,
			},
		}

		if fn != nil {
			fn(entry)
		}

		request := &filer_pb.CreateEntryRequest{
			Directory: parentDirectoryPath,
			Entry:     entry,
		}

		glog.V(1).Infof("mkdir: %v", request)
		if err := filer_pb.CreateEntry(ctx, client, request); err != nil {
			glog.V(0).Infof("mkdir %v: %v", request, err)
			return fmt.Errorf("mkdir %s/%s: %v", parentDirectoryPath, dirName, err)
		}

		return nil
	})
}

func (s3a *S3ApiServer) mkFile(ctx context.Context, parentDirectoryPath string, fileName string, chunks []*filer_pb.FileChunk) error {
	return s3a.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {

		entry := &filer_pb.Entry{
			Name:        fileName,
			IsDirectory: false,
			Attributes: &filer_pb.FuseAttributes{
				Mtime:    time.Now().Unix(),
				Crtime:   time.Now().Unix(),
				FileMode: uint32(0770),
				Uid:      OS_UID,
				Gid:      OS_GID,
			},
			Chunks: chunks,
		}

		request := &filer_pb.CreateEntryRequest{
			Directory: parentDirectoryPath,
			Entry:     entry,
		}

		glog.V(1).Infof("create file: %s/%s", parentDirectoryPath, fileName)
		if err := filer_pb.CreateEntry(ctx, client, request); err != nil {
			glog.V(0).Infof("create file %v:%v", request, err)
			return fmt.Errorf("create file %s/%s: %v", parentDirectoryPath, fileName, err)
		}

		return nil
	})
}

func (s3a *S3ApiServer) list(ctx context.Context, parentDirectoryPath, prefix, startFrom string, inclusive bool, limit int) (entries []*filer_pb.Entry, err error) {

	err = s3a.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {

		request := &filer_pb.ListEntriesRequest{
			Directory:          parentDirectoryPath,
			Prefix:             prefix,
			StartFromFileName:  startFrom,
			InclusiveStartFrom: inclusive,
			Limit:              uint32(limit),
		}

		glog.V(4).Infof("read directory: %v", request)
		stream, err := client.ListEntries(ctx, request)
		if err != nil {
			glog.V(0).Infof("read directory %v: %v", request, err)
			return fmt.Errorf("list dir %v: %v", parentDirectoryPath, err)
		}

		for {
			resp, recvErr := stream.Recv()
			if recvErr != nil {
				if recvErr == io.EOF {
					break
				} else {
					return recvErr
				}
			}

			entries = append(entries, resp.Entry)

		}

		return nil
	})

	return

}

func (s3a *S3ApiServer) rm(ctx context.Context, parentDirectoryPath string, entryName string, isDirectory, isDeleteData, isRecursive bool) error {

	return s3a.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {

		request := &filer_pb.DeleteEntryRequest{
			Directory:    parentDirectoryPath,
			Name:         entryName,
			IsDeleteData: isDeleteData,
			IsRecursive:  isRecursive,
		}

		glog.V(1).Infof("delete entry %v/%v: %v", parentDirectoryPath, entryName, request)
		if _, err := client.DeleteEntry(ctx, request); err != nil {
			glog.V(0).Infof("delete entry %v: %v", request, err)
			return fmt.Errorf("delete entry %s/%s: %v", parentDirectoryPath, entryName, err)
		}

		return nil
	})

}

func (s3a *S3ApiServer) exists(ctx context.Context, parentDirectoryPath string, entryName string, isDirectory bool) (exists bool, err error) {

	err = s3a.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {

		request := &filer_pb.LookupDirectoryEntryRequest{
			Directory: parentDirectoryPath,
			Name:      entryName,
		}

		glog.V(4).Infof("exists entry %v/%v: %v", parentDirectoryPath, entryName, request)
		resp, err := client.LookupDirectoryEntry(ctx, request)
		if err != nil {
			glog.V(0).Infof("exists entry %v: %v", request, err)
			return fmt.Errorf("exists entry %s/%s: %v", parentDirectoryPath, entryName, err)
		}

		exists = resp.Entry.IsDirectory == isDirectory

		return nil
	})

	return
}

func objectKey(key *string) *string {
	if strings.HasPrefix(*key, "/") {
		t := (*key)[1:]
		return &t
	}
	return key
}