func bmeta_read_upload_file(ell *etransport.Elliptics, file, key string) (err error) {
data, err := ioutil.ReadFile(file)
if err != nil {
log.Fatalf("Could not read file %s: %v", file, err)
}
ms, err := ell.MetadataSession()
if err != nil {
return
}
defer ms.Delete()
ms.SetNamespace(bucket.BucketNamespace)
tried := false
for wr := range ms.WriteData(key, bytes.NewReader(data), 0, 0) {
tried = true
if wr.Error() != nil {
err = wr.Error()
log.Printf("%s: could not write file %s: %v", key, file, err)
continue
}
fmt.Printf("Successfully uploaded %s into elliptics using key %s\n", file, key)
return
}
if !tried {
err = fmt.Errorf("%s: could not write file %s: WriteData() returned nothing", key, file)
}
return
}
func ReadBucket(ell *etransport.Elliptics, name string) (bucket *Bucket, err error) {
ms, err := ell.MetadataSession()
if err != nil {
log.Printf("read-bucket: %s: could not create metadata session: %v", name, err)
return
}
defer ms.Delete()
ms.SetNamespace(BucketNamespace)
b := NewBucket(name)
for rd := range ms.ReadData(name, 0, 0) {
if rd.Error() != nil {
err = rd.Error()
log.Printf("read-bucket: %s: could not read bucket metadata: %v", name, err)
return
}
var out []interface{}
err = msgpack.Unmarshal([]byte(rd.Data()), &out)
if err != nil {
log.Printf("read-bucket: %s: could not parse bucket metadata: %v", name, err)
return
}
err = b.Meta.ExtractMsgpack(out)
if err != nil {
log.Printf("read-bucket: %s: unsupported msgpack data: %v", name, err)
return
}
bucket = b
return
}
bucket = nil
err = errors.NewKeyError(name, http.StatusNotFound,
"read-bucket: could not read bucket data: ReadData() returned nothing")
return
}
func WriteBucket(ell *etransport.Elliptics, meta *BucketMsgpack) (bucket *Bucket, err error) {
ms, err := ell.MetadataSession()
if err != nil {
log.Printf("%s: could not create metadata session: %v", meta.Name, err)
return
}
defer ms.Delete()
ms.SetNamespace(BucketNamespace)
out, err := meta.PackMsgpack()
if err != nil {
log.Printf("%s: could not pack bucket: %v", meta.Name, err)
return
}
data, err := msgpack.Marshal(&out)
if err != nil {
log.Printf("%s: could not parse bucket metadata: %v", meta.Name, err)
return
}
for wr := range ms.WriteData(meta.Name, bytes.NewReader(data), 0, 0) {
if wr.Error() != nil {
err = wr.Error()
log.Printf("%s: could not write bucket metadata: %v", meta.Name, err)
return
}
bucket = NewBucket(meta.Name)
bucket.Meta = *meta
return
}
err = errors.NewKeyError(meta.Name, http.StatusNotFound,
"could not write bucket metadata: WriteData() returned nothing")
return
}