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go code can read and write chunk manifest

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This commit is contained in:
Chris Lu
2020-07-19 17:59:43 -07:00
parent f90d2c93c9
commit 97d97f3528
21 changed files with 511 additions and 112 deletions
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50
weed/filesys/dirty_page.go
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@@ -2,16 +2,12 @@ package filesys
import (
"bytes"
"context"
"fmt"
"io"
"sync"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/security"
)
type ContinuousDirtyPages struct {
@@ -141,53 +137,15 @@ func (pages *ContinuousDirtyPages) saveExistingLargestPageToStorage() (chunk *fi
func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64, size int64) (*filer_pb.FileChunk, error) {
var fileId, host string
var auth security.EncodedJwt
dir, _ := pages.f.fullpath().DirAndName()
if err := pages.f.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{
Count: 1,
Replication: pages.f.wfs.option.Replication,
Collection: pages.f.wfs.option.Collection,
TtlSec: pages.f.wfs.option.TtlSec,
DataCenter: pages.f.wfs.option.DataCenter,
ParentPath: dir,
}
resp, err := client.AssignVolume(context.Background(), request)
if err != nil {
glog.V(0).Infof("assign volume failure %v: %v", request, err)
return err
}
if resp.Error != "" {
return fmt.Errorf("assign volume failure %v: %v", request, resp.Error)
}
fileId, host, auth = resp.FileId, resp.Url, security.EncodedJwt(resp.Auth)
host = pages.f.wfs.AdjustedUrl(host)
pages.collection, pages.replication = resp.Collection, resp.Replication
return nil
}); err != nil {
return nil, fmt.Errorf("filerGrpcAddress assign volume: %v", err)
}
fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
uploadResult, err, data := operation.Upload(fileUrl, pages.f.Name, pages.f.wfs.option.Cipher, reader, false, "", nil, auth)
chunk, collection, replication, err := pages.f.wfs.saveDataAsChunk(dir)(reader, pages.f.Name, offset)
if err != nil {
glog.V(0).Infof("upload data %v to %s: %v", pages.f.Name, fileUrl, err)
return nil, fmt.Errorf("upload data: %v", err)
return nil, err
}
if uploadResult.Error != "" {
glog.V(0).Infof("upload failure %v to %s: %v", pages.f.Name, fileUrl, err)
return nil, fmt.Errorf("upload result: %v", uploadResult.Error)
}
pages.f.wfs.chunkCache.SetChunk(fileId, data)
pages.collection, pages.replication = collection, replication
return uploadResult.ToPbFileChunk(fileId, offset), nil
return chunk, nil
}