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Need to handle multiple chunks read.
Need to cache local file changes.
This commit is contained in:
Chris Lu
2018-05-23 20:55:24 -07:00
parent d84b80b795
commit 849b6ec28d
2 changed files with 12 additions and 7 deletions
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13
weed/filesys/filehandle.go
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@@ -41,7 +41,7 @@ var _ = fs.HandleReleaser(&FileHandle{})
func (fh *FileHandle) ReadAll(ctx context.Context) (content []byte, err error) {
glog.V(3).Infof("read all fh %+v/%v", fh.dirPath, fh.name)
glog.V(3).Infof("%v/%v read all fh ", fh.dirPath, fh.name)
if len(fh.Chunks) == 0 {
glog.V(0).Infof("empty fh %v/%v", fh.dirPath, fh.name)
@@ -53,6 +53,9 @@ func (fh *FileHandle) ReadAll(ctx context.Context) (content []byte, err error) {
// FIXME: need to either use Read() or implement differently
chunks, _ := filer2.CompactFileChunks(fh.Chunks)
glog.V(1).Infof("read fh %v/%v %d/%d chunks", fh.dirPath, fh.name, len(chunks), len(fh.Chunks))
for i, chunk := range chunks {
glog.V(1).Infof("read fh %v/%v %d/%d chunk %s [%d,%d)", fh.dirPath, fh.name, i, len(chunks), chunk.FileId, chunk.Offset, chunk.Offset+int64(chunk.Size))
}
request := &filer_pb.GetFileContentRequest{
FileId: chunks[0].FileId,
}
@@ -74,8 +77,10 @@ func (fh *FileHandle) ReadAll(ctx context.Context) (content []byte, err error) {
// Write to the file handle
func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
// write the request to volume servers
// glog.V(3).Infof("write fh %+v", req)
glog.V(3).Infof("%+v/%v write fh: %+v", fh.dirPath, fh.name, req)
var fileId, host string
@@ -128,7 +133,7 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error {
glog.V(3).Infof("release fh %+v/%v", fh.dirPath, fh.name)
glog.V(3).Infof("%+v/%v release fh", fh.dirPath, fh.name)
return nil
}
@@ -138,7 +143,7 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err
func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
// fflush works at fh level
// send the data to the OS
glog.V(3).Infof("fh flush %v", req)
glog.V(3).Infof("%s/%s fh flush %v", fh.dirPath, fh.name, req)
if !fh.dirty {
return nil