gsh-digital-services/seaweedFS
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

go code can read and write chunk manifest

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

17
weed/filer2/reader_at.go
View File

@@ -1,7 +1,6 @@
package filer2
import (
"bytes"
"context"
"fmt"
"io"
@@ -9,7 +8,6 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/util/chunk_cache"
"github.com/chrislusf/seaweedfs/weed/wdclient"
)
@@ -144,19 +142,6 @@ func (c *ChunkReadAt) fetchChunkData(chunkView *ChunkView) (data []byte, err err
func (c *ChunkReadAt) doFetchFullChunkData(fileId string, cipherKey []byte, isGzipped bool) ([]byte, error) {
urlString, err := c.lookupFileId(fileId)
if err != nil {
glog.V(1).Infof("operation LookupFileId %s failed, err: %v", fileId, err)
return nil, err
}
var buffer bytes.Buffer
err = util.ReadUrlAsStream(urlString, cipherKey, isGzipped, true, 0, 0, func(data []byte) {
buffer.Write(data)
})
if err != nil {
glog.V(0).Infof("read %s failed, err: %v", fileId, err)
return nil, err
}
return fetchChunk(c.lookupFileId, fileId, cipherKey, isGzipped)
return buffer.Bytes(), nil
}