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purge code

pull/1255/head
Chris Lu 5 years ago
parent
commit
2bdd936fb6
  1. 66
      weed/filer2/filer_client_util.go

66
weed/filer2/filer_client_util.go

@ -6,11 +6,9 @@ import (
"io"
"math"
"strings"
"sync"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
)
func VolumeId(fileId string) string {
@ -26,70 +24,6 @@ type FilerClient interface {
AdjustedUrl(hostAndPort string) string
}
func ReadIntoBuffer(filerClient FilerClient, fullFilePath FullPath, buff []byte, chunkViews []*ChunkView, baseOffset int64) (totalRead int64, err error) {
var vids []string
for _, chunkView := range chunkViews {
vids = append(vids, VolumeId(chunkView.FileId))
}
vid2Locations := make(map[string]*filer_pb.Locations)
err = filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
glog.V(4).Infof("read fh lookup volume id locations: %v", vids)
resp, err := client.LookupVolume(context.Background(), &filer_pb.LookupVolumeRequest{
VolumeIds: vids,
})
if err != nil {
return err
}
vid2Locations = resp.LocationsMap
return nil
})
if err != nil {
return 0, fmt.Errorf("failed to lookup volume ids %v: %v", vids, err)
}
var wg sync.WaitGroup
for _, chunkView := range chunkViews {
wg.Add(1)
go func(chunkView *ChunkView) {
defer wg.Done()
glog.V(4).Infof("read fh reading chunk: %+v", chunkView)
locations := vid2Locations[VolumeId(chunkView.FileId)]
if locations == nil || len(locations.Locations) == 0 {
glog.V(0).Infof("failed to locate %s", chunkView.FileId)
err = fmt.Errorf("failed to locate %s", chunkView.FileId)
return
}
volumeServerAddress := filerClient.AdjustedUrl(locations.Locations[0].Url)
var n int64
n, err = util.ReadUrl(fmt.Sprintf("http://%s/%s", volumeServerAddress, chunkView.FileId), chunkView.CipherKey, chunkView.isGzipped, chunkView.IsFullChunk, chunkView.Offset, int(chunkView.Size), buff[chunkView.LogicOffset-baseOffset:chunkView.LogicOffset-baseOffset+int64(chunkView.Size)])
if err != nil {
glog.V(0).Infof("%v read http://%s/%v %v bytes: %v", fullFilePath, volumeServerAddress, chunkView.FileId, n, err)
err = fmt.Errorf("failed to read http://%s/%s: %v",
volumeServerAddress, chunkView.FileId, err)
return
}
glog.V(4).Infof("read fh read %d bytes: %+v", n, chunkView)
totalRead += n
}(chunkView)
}
wg.Wait()
return
}
func GetEntry(filerClient FilerClient, fullFilePath FullPath) (entry *filer_pb.Entry, err error) {
dir, name := fullFilePath.DirAndName()

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