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print error the correct way.

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This commit is contained in:
Chris Lu 2014-10-21 01:27:06 -07:00
parent 88e7c98e6e
commit e9a8999f63
1 changed files with 13 additions and 12 deletions
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25
go/storage/volume.go
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@ -2,9 +2,9 @@ package storage
import (
"bytes"
"github.com/chrislusf/weed-fs/go/glog"
"errors"
"fmt"
"github.com/chrislusf/weed-fs/go/glog"
"io"
"os"
"path"
@ -72,7 +72,7 @@ func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool) error {
if e != nil {
if !os.IsPermission(e) {
return fmt.Errorf("cannot load Volume Data %s.dat: %s", fileName, e.Error())
return fmt.Errorf("cannot load Volume Data %s.dat: %v", fileName, e)
}
}
@ -92,12 +92,12 @@ func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool) error {
if v.readOnly {
glog.V(1).Infoln("open to read file", fileName+".idx")
if indexFile, e = os.OpenFile(fileName+".idx", os.O_RDONLY, 0644); e != nil {
return fmt.Errorf("cannot read Volume Index %s.idx: %s", fileName, e.Error())
return fmt.Errorf("cannot read Volume Index %s.idx: %v", fileName, e)
}
} else {
glog.V(1).Infoln("open to write file", fileName+".idx")
if indexFile, e = os.OpenFile(fileName+".idx", os.O_RDWR|os.O_CREATE, 0644); e != nil {
return fmt.Errorf("cannot write Volume Index %s.idx: %s", fileName, e.Error())
return fmt.Errorf("cannot write Volume Index %s.idx: %v", fileName, e)
}
}
glog.V(0).Infoln("loading file", fileName+".idx", "readonly", v.readOnly)
@ -115,7 +115,7 @@ func (v *Volume) Size() int64 {
if e == nil {
return stat.Size()
}
glog.V(0).Infof("Failed to read file size %s %s", v.dataFile.Name(), e.Error())
glog.V(0).Infof("Failed to read file size %s %v", v.dataFile.Name(), e)
return -1
}
func (v *Volume) Close() {
@ -170,6 +170,7 @@ func (v *Volume) write(n *Needle) (size uint32, err error) {
}
var offset int64
if offset, err = v.dataFile.Seek(0, 2); err != nil {
glog.V(0).Infof("faile to seek the end of file: %v", err)
return
}
@ -177,21 +178,21 @@ func (v *Volume) write(n *Needle) (size uint32, err error) {
if offset%NeedlePaddingSize != 0 {
offset = offset + (NeedlePaddingSize - offset%NeedlePaddingSize)
if offset, err = v.dataFile.Seek(offset, 0); err != nil {
glog.V(4).Infof("failed to align in datafile %s: %s", v.dataFile.Name(), err.Error())
glog.V(0).Infof("failed to align in datafile %s: %v", v.dataFile.Name(), err)
return
}
}
if size, err = n.Append(v.dataFile, v.Version()); err != nil {
if e := v.dataFile.Truncate(offset); e != nil {
err = fmt.Errorf("%s\ncannot truncate %s: %s", err, v.dataFile.Name(), e.Error())
err = fmt.Errorf("%s\ncannot truncate %s: %v", err, v.dataFile.Name(), e)
}
return
}
nv, ok := v.nm.Get(n.Id)
if !ok || int64(nv.Offset)*NeedlePaddingSize < offset {
if _, err = v.nm.Put(n.Id, uint32(offset/NeedlePaddingSize), n.Size); err != nil {
glog.V(4).Infof("failed to save in needle map %d: %s", n.Id, err.Error())
glog.V(4).Infof("failed to save in needle map %d: %v", n.Id, err)
}
}
if v.lastModifiedTime < n.LastModified {
@ -292,13 +293,13 @@ func ScanVolumeFile(dirname string, collection string, id VolumeId,
offset := int64(SuperBlockSize)
n, rest, e := ReadNeedleHeader(v.dataFile, version, offset)
if e != nil {
err = fmt.Errorf("cannot read needle header: %s", e)
err = fmt.Errorf("cannot read needle header: %v", e)
return
}
for n != nil {
if readNeedleBody {
if err = n.ReadNeedleBody(v.dataFile, version, offset+int64(NeedleHeaderSize), rest); err != nil {
err = fmt.Errorf("cannot read needle body: %s", err)
err = fmt.Errorf("cannot read needle body: %v", err)
return
}
}
@ -310,7 +311,7 @@ func ScanVolumeFile(dirname string, collection string, id VolumeId,
if err == io.EOF {
return nil
}
return fmt.Errorf("cannot read needle header: %s", err)
return fmt.Errorf("cannot read needle header: %v", err)
}
}
@ -360,7 +361,7 @@ func (v *Volume) ensureConvertIdxToCdb(fileName string) (cdbCanRead bool) {
defer indexFile.Close()
glog.V(0).Infof("converting %s.idx to %s.cdb", fileName, fileName)
if e = ConvertIndexToCdb(fileName+".cdb", indexFile); e != nil {
glog.V(0).Infof("error converting %s.idx to %s.cdb: %s", fileName, fileName, e.Error())
glog.V(0).Infof("error converting %s.idx to %s.cdb: %v", fileName, fileName, e)
return false
}
return true