seaweedfs/weed/filesys/file.go
2018-05-09 23:18:02 -07:00

76 lines
1.6 KiB
Go

package filesys
import (
"context"
"fmt"
"bazil.org/fuse"
"github.com/chrislusf/seaweedfs/weed/filer"
"bazil.org/fuse/fs"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)
var _ = fs.Node(&File{})
// var _ = fs.NodeOpener(&File{})
// var _ = fs.NodeFsyncer(&File{})
var _ = fs.Handle(&File{})
var _ = fs.HandleReadAller(&File{})
// var _ = fs.HandleReader(&File{})
var _ = fs.HandleWriter(&File{})
type File struct {
FileId filer.FileId
Name string
wfs *WFS
}
func (file *File) Attr(context context.Context, attr *fuse.Attr) error {
attr.Mode = 0444
return file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.GetFileAttributesRequest{
Name: file.Name,
ParentDir: "", //TODO add parent folder
FileId: string(file.FileId),
}
glog.V(1).Infof("read file size: %v", request)
resp, err := client.GetFileAttributes(context, request)
if err != nil {
return err
}
attr.Size = resp.Attributes.FileSize
return nil
})
}
func (file *File) ReadAll(ctx context.Context) (content []byte, err error) {
err = file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.GetFileContentRequest{
FileId: string(file.FileId),
}
glog.V(1).Infof("read file content: %v", request)
resp, err := client.GetFileContent(ctx, request)
if err != nil {
return err
}
content = resp.Content
return nil
})
return content, err
}
func (file *File) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
fmt.Printf("write file %+v\n", req)
return nil
}