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.
80 lines
2.5 KiB
80 lines
2.5 KiB
package weed_server
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/chrislusf/seaweedfs/weed/operation"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/remote_storage"
|
|
"github.com/chrislusf/seaweedfs/weed/security"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/needle"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/types"
|
|
"sync"
|
|
)
|
|
|
|
func (vs *VolumeServer) FetchAndWriteNeedle(ctx context.Context, req *volume_server_pb.FetchAndWriteNeedleRequest) (resp *volume_server_pb.FetchAndWriteNeedleResponse, err error) {
|
|
resp = &volume_server_pb.FetchAndWriteNeedleResponse{}
|
|
v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
|
|
if v == nil {
|
|
return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
|
|
}
|
|
|
|
remoteConf := req.RemoteConf
|
|
|
|
client, getClientErr := remote_storage.GetRemoteStorage(remoteConf)
|
|
if getClientErr != nil {
|
|
return nil, fmt.Errorf("get remote client: %v", getClientErr)
|
|
}
|
|
|
|
remoteStorageLocation := req.RemoteLocation
|
|
|
|
data, ReadRemoteErr := client.ReadFile(remoteStorageLocation, req.Offset, req.Size)
|
|
if ReadRemoteErr != nil {
|
|
return nil, fmt.Errorf("read from remote %+v: %v", remoteStorageLocation, ReadRemoteErr)
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
n := new(needle.Needle)
|
|
n.Id = types.NeedleId(req.NeedleId)
|
|
n.Cookie = types.Cookie(req.Cookie)
|
|
n.Data, n.DataSize = data, uint32(len(data))
|
|
// copied from *Needle.prepareWriteBuffer()
|
|
n.Size = 4 + types.Size(n.DataSize) + 1
|
|
n.Checksum = needle.NewCRC(n.Data)
|
|
if _, localWriteErr := vs.store.WriteVolumeNeedle(v.Id, n, true, false); localWriteErr != nil {
|
|
if err == nil {
|
|
err = fmt.Errorf("local write needle %d size %d: %v", req.NeedleId, req.Size, err)
|
|
}
|
|
}
|
|
}()
|
|
if len(req.Replicas)>0{
|
|
fileId := needle.NewFileId(v.Id, req.NeedleId, req.Cookie)
|
|
for _, replica := range req.Replicas {
|
|
wg.Add(1)
|
|
go func(targetVolumeServer string) {
|
|
defer wg.Done()
|
|
uploadOption := &operation.UploadOption{
|
|
UploadUrl: fmt.Sprintf("http://%s/%s?type=replicate", targetVolumeServer, fileId.String()),
|
|
Filename: "",
|
|
Cipher: false,
|
|
IsInputCompressed: false,
|
|
MimeType: "",
|
|
PairMap: nil,
|
|
Jwt: security.EncodedJwt(req.Auth),
|
|
}
|
|
if _, replicaWriteErr := operation.UploadData(data, uploadOption); replicaWriteErr != nil {
|
|
if err == nil {
|
|
err = fmt.Errorf("remote write needle %d size %d: %v", req.NeedleId, req.Size, err)
|
|
}
|
|
}
|
|
}(replica.Url)
|
|
}
|
|
}
|
|
|
|
wg.Wait()
|
|
|
|
return resp, err
|
|
}
|