You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
2.7 KiB
101 lines
2.7 KiB
package localsink
|
|
|
|
import (
|
|
"github.com/chrislusf/seaweedfs/weed/filer"
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/replication/repl_util"
|
|
"github.com/chrislusf/seaweedfs/weed/replication/sink"
|
|
"github.com/chrislusf/seaweedfs/weed/replication/source"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
type LocalSink struct {
|
|
Dir string
|
|
filerSource *source.FilerSource
|
|
}
|
|
|
|
func init() {
|
|
sink.Sinks = append(sink.Sinks, &LocalSink{})
|
|
}
|
|
|
|
func (localsink *LocalSink) SetSourceFiler(s *source.FilerSource) {
|
|
localsink.filerSource = s
|
|
}
|
|
|
|
func (localsink *LocalSink) GetName() string {
|
|
return "local"
|
|
}
|
|
|
|
func (localsink *LocalSink) isMultiPartEntry(key string) bool {
|
|
return strings.HasSuffix(key, ".part") && strings.Contains(key, "/.uploads/")
|
|
}
|
|
|
|
func (localsink *LocalSink) initialize(dir string) error {
|
|
localsink.Dir = dir
|
|
return nil
|
|
}
|
|
|
|
func (localsink *LocalSink) Initialize(configuration util.Configuration, prefix string) error {
|
|
dir := configuration.GetString(prefix + "directory")
|
|
glog.V(4).Infof("sink.local.directory: %v", dir)
|
|
return localsink.initialize(dir)
|
|
}
|
|
|
|
func (localsink *LocalSink) GetSinkToDirectory() string {
|
|
return localsink.Dir
|
|
}
|
|
|
|
func (localsink *LocalSink) DeleteEntry(key string, isDirectory, deleteIncludeChunks bool, signatures []int32) error {
|
|
if localsink.isMultiPartEntry(key) {
|
|
return nil
|
|
}
|
|
glog.V(4).Infof("Delete Entry key: %s", key)
|
|
if err := os.Remove(key); err != nil {
|
|
glog.V(0).Infof("remove entry key %s: %s", key, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (localsink *LocalSink) CreateEntry(key string, entry *filer_pb.Entry, signatures []int32) error {
|
|
if entry.IsDirectory || localsink.isMultiPartEntry(key) {
|
|
return nil
|
|
}
|
|
glog.V(4).Infof("Create Entry key: %s", key)
|
|
|
|
totalSize := filer.FileSize(entry)
|
|
chunkViews := filer.ViewFromChunks(localsink.filerSource.LookupFileId, entry.Chunks, 0, int64(totalSize))
|
|
|
|
dir := filepath.Dir(key)
|
|
|
|
if _, err := os.Stat(dir); os.IsNotExist(err) {
|
|
glog.V(4).Infof("Create Direcotry key: %s", dir)
|
|
if err = os.MkdirAll(dir, 0); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
writeFunc := func(data []byte) error {
|
|
writeErr := ioutil.WriteFile(key, data, 0)
|
|
return writeErr
|
|
}
|
|
|
|
if err := repl_util.CopyFromChunkViews(chunkViews, localsink.filerSource, writeFunc); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (localsink *LocalSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParentPath string, newEntry *filer_pb.Entry, deleteIncludeChunks bool, signatures []int32) (foundExistingEntry bool, err error) {
|
|
if localsink.isMultiPartEntry(key) {
|
|
return true, nil
|
|
}
|
|
glog.V(4).Infof("Update Entry key: %s", key)
|
|
// do delete and create
|
|
return false, nil
|
|
}
|