blob: f7036d23659d55f89034978ecb0428f8a03ec62f (
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
|
package filer
import (
"bytes"
"math"
"github.com/chrislusf/seaweedfs/weed/util/log"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
)
// onMetadataChangeEvent is triggered after filer processed change events from local or remote filers
func (f *Filer) onMetadataChangeEvent(event *filer_pb.SubscribeMetadataResponse) {
if DirectoryEtc != event.Directory {
if DirectoryEtc != event.EventNotification.NewParentPath {
return
}
}
entry := event.EventNotification.NewEntry
if entry == nil {
return
}
log.Infof("procesing %v", event)
if entry.Name == FilerConfName {
f.reloadFilerConfiguration(entry)
}
}
func (f *Filer) readEntry(chunks []*filer_pb.FileChunk) ([]byte, error) {
var buf bytes.Buffer
err := StreamContent(f.MasterClient, &buf, chunks, 0, math.MaxInt64)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (f *Filer) reloadFilerConfiguration(entry *filer_pb.Entry) {
fc := NewFilerConf()
err := fc.loadFromChunks(f, entry.Chunks)
if err != nil {
log.Errorf("read filer conf chunks: %v", err)
return
}
f.FilerConf = fc
}
func (f *Filer) LoadFilerConf() {
fc := NewFilerConf()
err := util.Retry("loadFilerConf", func() error {
return fc.loadFromFiler(f)
})
if err != nil {
log.Errorf("read filer conf: %v", err)
return
}
f.FilerConf = fc
}
|
