chrislu
4 years ago
37 changed files with 3 additions and 4098 deletions
-
0weed/command/mount.go
-
8weed/command/mount_darwin.go
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6weed/command/mount_linux.go
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2weed/command/mount_notsupported.go
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0weed/command/mount_std.go
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655weed/filesys/dir.go
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169weed/filesys/dir_link.go
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149weed/filesys/dir_rename.go
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100weed/filesys/dirty_pages_chunked.go
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406weed/filesys/file.go
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346weed/filesys/filehandle.go
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213weed/filesys/fscache.go
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115weed/filesys/fscache_test.go
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32weed/filesys/meta_cache/cache_config.go
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101weed/filesys/meta_cache/id_mapper.go
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154weed/filesys/meta_cache/meta_cache.go
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47weed/filesys/meta_cache/meta_cache_init.go
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68weed/filesys/meta_cache/meta_cache_subscribe.go
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98weed/filesys/page_writer.go
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115weed/filesys/page_writer/chunk_interval_list.go
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49weed/filesys/page_writer/chunk_interval_list_test.go
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30weed/filesys/page_writer/dirty_pages.go
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16weed/filesys/page_writer/page_chunk.go
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69weed/filesys/page_writer/page_chunk_mem.go
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121weed/filesys/page_writer/page_chunk_swapfile.go
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182weed/filesys/page_writer/upload_pipeline.go
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63weed/filesys/page_writer/upload_pipeline_lock.go
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47weed/filesys/page_writer/upload_pipeline_test.go
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44weed/filesys/page_writer_pattern.go
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63weed/filesys/permission.go
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22weed/filesys/unimplemented.go
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319weed/filesys/wfs.go
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51weed/filesys/wfs_filer_client.go
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84weed/filesys/wfs_write.go
-
153weed/filesys/xattr.go
-
2weed/mount/dirty_pages_chunked.go
-
2weed/mount/page_writer.go
@ -1,13 +1,5 @@ |
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package command |
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|
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import ( |
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"github.com/seaweedfs/fuse" |
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) |
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|
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func osSpecificMountOptions() []fuse.MountOption { |
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return []fuse.MountOption{} |
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} |
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|
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func checkMountPointAvailable(dir string) bool { |
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return true |
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} |
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@ -1,655 +0,0 @@ |
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package filesys |
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|
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import ( |
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"bytes" |
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"context" |
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"math" |
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"os" |
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"strings" |
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"syscall" |
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"time" |
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|
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"github.com/seaweedfs/fuse" |
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"github.com/seaweedfs/fuse/fs" |
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|
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"github.com/chrislusf/seaweedfs/weed/filer" |
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"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache" |
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"github.com/chrislusf/seaweedfs/weed/glog" |
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
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"github.com/chrislusf/seaweedfs/weed/util" |
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) |
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|
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type Dir struct { |
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name string |
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wfs *WFS |
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entry *filer_pb.Entry |
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parent *Dir |
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id uint64 |
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} |
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|
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var _ = fs.Node(&Dir{}) |
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|
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var _ = fs.NodeIdentifier(&Dir{}) |
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var _ = fs.NodeCreater(&Dir{}) |
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var _ = fs.NodeMknoder(&Dir{}) |
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var _ = fs.NodeMkdirer(&Dir{}) |
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var _ = fs.NodeFsyncer(&Dir{}) |
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var _ = fs.NodeRequestLookuper(&Dir{}) |
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var _ = fs.HandleReadDirAller(&Dir{}) |
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var _ = fs.NodeRemover(&Dir{}) |
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var _ = fs.NodeRenamer(&Dir{}) |
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var _ = fs.NodeSetattrer(&Dir{}) |
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var _ = fs.NodeGetxattrer(&Dir{}) |
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var _ = fs.NodeSetxattrer(&Dir{}) |
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var _ = fs.NodeRemovexattrer(&Dir{}) |
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var _ = fs.NodeListxattrer(&Dir{}) |
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var _ = fs.NodeForgetter(&Dir{}) |
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|
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func (dir *Dir) Id() uint64 { |
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if dir.parent == nil { |
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return 1 |
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} |
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return dir.id |
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} |
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|
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func (dir *Dir) Attr(ctx context.Context, attr *fuse.Attr) error { |
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|
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entry, err := dir.maybeLoadEntry() |
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if err != nil { |
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glog.V(3).Infof("dir Attr %s, err: %+v", dir.FullPath(), err) |
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return err |
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} |
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|
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// https://github.com/bazil/fuse/issues/196
|
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attr.Valid = time.Second |
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attr.Inode = dir.Id() |
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attr.Mode = os.FileMode(entry.Attributes.FileMode) | os.ModeDir |
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attr.Mtime = time.Unix(entry.Attributes.Mtime, 0) |
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attr.Crtime = time.Unix(entry.Attributes.Crtime, 0) |
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attr.Ctime = time.Unix(entry.Attributes.Mtime, 0) |
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attr.Atime = time.Unix(entry.Attributes.Mtime, 0) |
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attr.Gid = entry.Attributes.Gid |
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attr.Uid = entry.Attributes.Uid |
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|
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if dir.FullPath() == dir.wfs.option.FilerMountRootPath { |
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attr.BlockSize = blockSize |
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} |
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|
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glog.V(4).Infof("dir Attr %s, attr: %+v", dir.FullPath(), attr) |
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|
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return nil |
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} |
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|
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func (dir *Dir) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error { |
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|
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glog.V(4).Infof("dir Getxattr %s", dir.FullPath()) |
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|
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entry, err := dir.maybeLoadEntry() |
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if err != nil { |
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return err |
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} |
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|
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return getxattr(entry, req, resp) |
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} |
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|
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func (dir *Dir) Fsync(ctx context.Context, req *fuse.FsyncRequest) error { |
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// fsync works at OS level
|
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// write the file chunks to the filerGrpcAddress
|
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glog.V(3).Infof("dir %s fsync %+v", dir.FullPath(), req) |
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return nil |
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} |
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|
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func (dir *Dir) newFile(name string, fileMode os.FileMode) fs.Node { |
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|
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fileFullPath := util.NewFullPath(dir.FullPath(), name) |
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fileId := fileFullPath.AsInode(fileMode) |
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dir.wfs.handlesLock.Lock() |
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existingHandle, found := dir.wfs.handles[fileId] |
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dir.wfs.handlesLock.Unlock() |
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|
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if found { |
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glog.V(4).Infof("newFile found opened file handle: %+v", fileFullPath) |
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return existingHandle.f |
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} |
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return &File{ |
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Name: name, |
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dir: dir, |
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wfs: dir.wfs, |
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id: fileId, |
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} |
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} |
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|
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func (dir *Dir) newDirectory(fullpath util.FullPath) fs.Node { |
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|
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return &Dir{name: fullpath.Name(), wfs: dir.wfs, parent: dir, id: fullpath.AsInode(os.ModeDir)} |
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|
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} |
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|
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func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest, |
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resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) { |
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|
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if err := checkName(req.Name); err != nil { |
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return nil, nil, err |
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} |
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|
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exclusive := req.Flags&fuse.OpenExclusive != 0 |
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isDirectory := req.Mode&os.ModeDir > 0 |
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|
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if exclusive || isDirectory { |
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_, err := dir.doCreateEntry(req.Name, req.Mode, req.Uid, req.Gid, exclusive) |
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if err != nil { |
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return nil, nil, err |
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} |
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} |
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var node fs.Node |
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if isDirectory { |
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node = dir.newDirectory(util.NewFullPath(dir.FullPath(), req.Name)) |
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return node, node, nil |
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} |
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|
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node = dir.newFile(req.Name, req.Mode) |
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file := node.(*File) |
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file.entry = &filer_pb.Entry{ |
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Name: req.Name, |
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IsDirectory: req.Mode&os.ModeDir > 0, |
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Attributes: &filer_pb.FuseAttributes{ |
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Mtime: time.Now().Unix(), |
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Crtime: time.Now().Unix(), |
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FileMode: uint32(req.Mode &^ dir.wfs.option.Umask), |
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Uid: req.Uid, |
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Gid: req.Gid, |
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Collection: dir.wfs.option.Collection, |
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Replication: dir.wfs.option.Replication, |
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TtlSec: dir.wfs.option.TtlSec, |
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}, |
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} |
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file.dirtyMetadata = true |
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fh := dir.wfs.AcquireHandle(file, req.Uid, req.Gid) |
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return file, fh, nil |
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|
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} |
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|
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func (dir *Dir) Mknod(ctx context.Context, req *fuse.MknodRequest) (fs.Node, error) { |
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|
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if err := checkName(req.Name); err != nil { |
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return nil, err |
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} |
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|
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glog.V(3).Infof("dir %s Mknod %+v", dir.FullPath(), req) |
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|
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_, err := dir.doCreateEntry(req.Name, req.Mode, req.Uid, req.Gid, false) |
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|
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if err != nil { |
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return nil, err |
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} |
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var node fs.Node |
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node = dir.newFile(req.Name, req.Mode) |
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return node, nil |
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} |
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|
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func (dir *Dir) doCreateEntry(name string, mode os.FileMode, uid, gid uint32, exclusive bool) (*filer_pb.CreateEntryRequest, error) { |
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dirFullPath := dir.FullPath() |
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request := &filer_pb.CreateEntryRequest{ |
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Directory: dirFullPath, |
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Entry: &filer_pb.Entry{ |
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Name: name, |
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IsDirectory: mode&os.ModeDir > 0, |
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Attributes: &filer_pb.FuseAttributes{ |
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Mtime: time.Now().Unix(), |
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Crtime: time.Now().Unix(), |
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FileMode: uint32(mode &^ dir.wfs.option.Umask), |
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Uid: uid, |
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Gid: gid, |
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Collection: dir.wfs.option.Collection, |
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Replication: dir.wfs.option.Replication, |
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TtlSec: dir.wfs.option.TtlSec, |
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}, |
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}, |
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OExcl: exclusive, |
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Signatures: []int32{dir.wfs.signature}, |
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} |
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glog.V(1).Infof("create %s/%s", dirFullPath, name) |
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|
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err := dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
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|
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dir.wfs.mapPbIdFromLocalToFiler(request.Entry) |
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defer dir.wfs.mapPbIdFromFilerToLocal(request.Entry) |
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|
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if err := filer_pb.CreateEntry(client, request); err != nil { |
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if strings.Contains(err.Error(), "EEXIST") { |
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return fuse.EEXIST |
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} |
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glog.V(0).Infof("create %s/%s: %v", dirFullPath, name, err) |
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return fuse.EIO |
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} |
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|
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if err := dir.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)); err != nil { |
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glog.Errorf("local InsertEntry dir %s/%s: %v", dirFullPath, name, err) |
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return fuse.EIO |
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} |
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|
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return nil |
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}) |
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return request, err |
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} |
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|
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func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) { |
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|
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if err := checkName(req.Name); err != nil { |
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return nil, err |
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} |
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|
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glog.V(4).Infof("mkdir %s: %s", dir.FullPath(), req.Name) |
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|
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newEntry := &filer_pb.Entry{ |
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Name: req.Name, |
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IsDirectory: true, |
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Attributes: &filer_pb.FuseAttributes{ |
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Mtime: time.Now().Unix(), |
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Crtime: time.Now().Unix(), |
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FileMode: uint32(req.Mode &^ dir.wfs.option.Umask), |
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Uid: req.Uid, |
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Gid: req.Gid, |
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}, |
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} |
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|
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dirFullPath := dir.FullPath() |
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|
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err := dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
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|
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dir.wfs.mapPbIdFromLocalToFiler(newEntry) |
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defer dir.wfs.mapPbIdFromFilerToLocal(newEntry) |
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|
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request := &filer_pb.CreateEntryRequest{ |
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Directory: dirFullPath, |
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Entry: newEntry, |
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Signatures: []int32{dir.wfs.signature}, |
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} |
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|
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glog.V(1).Infof("mkdir: %v", request) |
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if err := filer_pb.CreateEntry(client, request); err != nil { |
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glog.V(0).Infof("mkdir %s/%s: %v", dirFullPath, req.Name, err) |
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return err |
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} |
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|
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if err := dir.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)); err != nil { |
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glog.Errorf("local mkdir dir %s/%s: %v", dirFullPath, req.Name, err) |
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return fuse.EIO |
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} |
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|
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return nil |
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}) |
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|
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if err == nil { |
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node := dir.newDirectory(util.NewFullPath(dirFullPath, req.Name)) |
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|
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return node, nil |
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} |
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|
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glog.V(0).Infof("mkdir %s/%s: %v", dirFullPath, req.Name, err) |
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|
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return nil, fuse.EIO |
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} |
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|
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func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (node fs.Node, err error) { |
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|
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if err := checkName(req.Name); err != nil { |
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return nil, err |
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} |
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|
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dirPath := util.FullPath(dir.FullPath()) |
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// glog.V(4).Infof("dir Lookup %s: %s by %s", dirPath, req.Name, req.Header.String())
|
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|
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fullFilePath := dirPath.Child(req.Name) |
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visitErr := meta_cache.EnsureVisited(dir.wfs.metaCache, dir.wfs, dirPath) |
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if visitErr != nil { |
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glog.Errorf("dir Lookup %s: %v", dirPath, visitErr) |
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return nil, fuse.EIO |
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} |
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localEntry, cacheErr := dir.wfs.metaCache.FindEntry(context.Background(), fullFilePath) |
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if cacheErr == filer_pb.ErrNotFound { |
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return nil, fuse.ENOENT |
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} |
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|
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if localEntry == nil { |
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// glog.V(3).Infof("dir Lookup cache miss %s", fullFilePath)
|
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entry, err := filer_pb.GetEntry(dir.wfs, fullFilePath) |
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if err != nil { |
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glog.V(1).Infof("dir GetEntry %s: %v", fullFilePath, err) |
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return nil, fuse.ENOENT |
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} |
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localEntry = filer.FromPbEntry(string(dirPath), entry) |
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} else { |
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glog.V(4).Infof("dir Lookup cache hit %s", fullFilePath) |
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} |
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|
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if localEntry != nil { |
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if localEntry.IsDirectory() { |
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node = dir.newDirectory(fullFilePath) |
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} else { |
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node = dir.newFile(req.Name, localEntry.Attr.Mode) |
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} |
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|
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// resp.EntryValid = time.Second
|
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resp.Attr.Valid = time.Second |
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resp.Attr.Size = localEntry.FileSize |
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resp.Attr.Mtime = localEntry.Attr.Mtime |
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resp.Attr.Crtime = localEntry.Attr.Crtime |
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resp.Attr.Mode = localEntry.Attr.Mode |
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resp.Attr.Gid = localEntry.Attr.Gid |
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resp.Attr.Uid = localEntry.Attr.Uid |
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if localEntry.HardLinkCounter > 0 { |
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resp.Attr.Nlink = uint32(localEntry.HardLinkCounter) |
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} |
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|
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return node, nil |
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} |
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|
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glog.V(4).Infof("not found dir GetEntry %s: %v", fullFilePath, err) |
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return nil, fuse.ENOENT |
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} |
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|
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func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) { |
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|
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dirPath := util.FullPath(dir.FullPath()) |
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glog.V(4).Infof("dir ReadDirAll %s", dirPath) |
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|
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processEachEntryFn := func(entry *filer.Entry, isLast bool) { |
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if entry.IsDirectory() { |
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dirent := fuse.Dirent{Name: entry.Name(), Type: fuse.DT_Dir, Inode: dirPath.Child(entry.Name()).AsInode(os.ModeDir)} |
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ret = append(ret, dirent) |
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} else { |
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dirent := fuse.Dirent{Name: entry.Name(), Type: findFileType(uint16(entry.Attr.Mode)), Inode: dirPath.Child(entry.Name()).AsInode(entry.Attr.Mode)} |
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ret = append(ret, dirent) |
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} |
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} |
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|
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if err = meta_cache.EnsureVisited(dir.wfs.metaCache, dir.wfs, dirPath); err != nil { |
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glog.Errorf("dir ReadDirAll %s: %v", dirPath, err) |
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return nil, fuse.EIO |
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} |
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listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), dirPath, "", false, int64(math.MaxInt32), func(entry *filer.Entry) bool { |
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processEachEntryFn(entry, false) |
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return true |
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}) |
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if listErr != nil { |
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glog.Errorf("list meta cache: %v", listErr) |
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return nil, fuse.EIO |
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} |
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|
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// create proper . and .. directories
|
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ret = append(ret, fuse.Dirent{ |
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Inode: dirPath.AsInode(os.ModeDir), |
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Name: ".", |
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Type: fuse.DT_Dir, |
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}) |
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|
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// return the correct parent inode for the mount root
|
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var inode uint64 |
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if string(dirPath) == dir.wfs.option.FilerMountRootPath { |
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inode = dir.wfs.option.MountParentInode |
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} else { |
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inode = util.FullPath(dir.parent.FullPath()).AsInode(os.ModeDir) |
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} |
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|
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ret = append(ret, fuse.Dirent{ |
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Inode: inode, |
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Name: "..", |
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Type: fuse.DT_Dir, |
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}) |
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|
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return |
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} |
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|
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func findFileType(mode uint16) fuse.DirentType { |
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switch mode & (syscall.S_IFMT & 0xffff) { |
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case syscall.S_IFSOCK: |
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return fuse.DT_Socket |
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case syscall.S_IFLNK: |
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return fuse.DT_Link |
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case syscall.S_IFREG: |
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return fuse.DT_File |
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case syscall.S_IFBLK: |
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return fuse.DT_Block |
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case syscall.S_IFDIR: |
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return fuse.DT_Dir |
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case syscall.S_IFCHR: |
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return fuse.DT_Char |
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case syscall.S_IFIFO: |
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return fuse.DT_FIFO |
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} |
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return fuse.DT_File |
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} |
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|
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func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error { |
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|
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parentHasPermission := false |
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parentEntry, err := dir.maybeLoadEntry() |
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if err != nil { |
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return err |
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} |
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if err := checkPermission(parentEntry, req.Uid, req.Gid, true); err == nil { |
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parentHasPermission = true |
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} |
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|
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dirFullPath := dir.FullPath() |
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filePath := util.NewFullPath(dirFullPath, req.Name) |
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entry, err := filer_pb.GetEntry(dir.wfs, filePath) |
|||
if err != nil { |
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return err |
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} |
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if !parentHasPermission { |
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if err := checkPermission(entry, req.Uid, req.Gid, true); err != nil { |
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return err |
|||
} |
|||
} |
|||
|
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if !req.Dir { |
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return dir.removeOneFile(entry, req) |
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} |
|||
|
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return dir.removeFolder(entry, req) |
|||
|
|||
} |
|||
|
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func (dir *Dir) removeOneFile(entry *filer_pb.Entry, req *fuse.RemoveRequest) error { |
|||
|
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dirFullPath := dir.FullPath() |
|||
filePath := util.NewFullPath(dirFullPath, req.Name) |
|||
|
|||
// first, ensure the filer store can correctly delete
|
|||
glog.V(3).Infof("remove file: %v", req) |
|||
isDeleteData := entry != nil && entry.HardLinkCounter <= 1 |
|||
err := filer_pb.Remove(dir.wfs, dirFullPath, req.Name, isDeleteData, false, false, false, []int32{dir.wfs.signature}) |
|||
if err != nil { |
|||
glog.V(3).Infof("not found remove file %s: %v", filePath, err) |
|||
return fuse.ENOENT |
|||
} |
|||
|
|||
// then, delete meta cache and fsNode cache
|
|||
if err = dir.wfs.metaCache.DeleteEntry(context.Background(), filePath); err != nil { |
|||
glog.V(3).Infof("local DeleteEntry %s: %v", filePath, err) |
|||
return fuse.ESTALE |
|||
} |
|||
|
|||
// remove current file handle if any
|
|||
dir.wfs.handlesLock.Lock() |
|||
defer dir.wfs.handlesLock.Unlock() |
|||
inodeId := filePath.AsInode(0) |
|||
if fh, ok := dir.wfs.handles[inodeId]; ok { |
|||
delete(dir.wfs.handles, inodeId) |
|||
fh.isDeleted = true |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) removeFolder(entry *filer_pb.Entry, req *fuse.RemoveRequest) error { |
|||
|
|||
dirFullPath := dir.FullPath() |
|||
|
|||
glog.V(3).Infof("remove directory entry: %v", req) |
|||
ignoreRecursiveErr := true // ignore recursion error since the OS should manage it
|
|||
err := filer_pb.Remove(dir.wfs, dirFullPath, req.Name, true, true, ignoreRecursiveErr, false, []int32{dir.wfs.signature}) |
|||
if err != nil { |
|||
glog.V(0).Infof("remove %s/%s: %v", dirFullPath, req.Name, err) |
|||
if strings.Contains(err.Error(), filer.MsgFailDelNonEmptyFolder) { |
|||
return fuse.EEXIST |
|||
} |
|||
return fuse.ENOENT |
|||
} |
|||
|
|||
t := util.NewFullPath(dirFullPath, req.Name) |
|||
dir.wfs.metaCache.DeleteEntry(context.Background(), t) |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error { |
|||
|
|||
glog.V(4).Infof("%v dir setattr %+v mode=%d", dir.FullPath(), req, req.Mode) |
|||
|
|||
entry, err := dir.maybeLoadEntry() |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if req.Valid.Mode() { |
|||
entry.Attributes.FileMode = uint32(req.Mode) |
|||
} |
|||
|
|||
if req.Valid.Uid() { |
|||
entry.Attributes.Uid = req.Uid |
|||
} |
|||
|
|||
if req.Valid.Gid() { |
|||
entry.Attributes.Gid = req.Gid |
|||
} |
|||
|
|||
if req.Valid.Mtime() { |
|||
entry.Attributes.Mtime = req.Mtime.Unix() |
|||
} |
|||
|
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
|
|||
return dir.saveEntry(entry) |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error { |
|||
|
|||
glog.V(4).Infof("dir Setxattr %s: %s", dir.FullPath(), req.Name) |
|||
|
|||
entry, err := dir.maybeLoadEntry() |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if err := setxattr(entry, req); err != nil { |
|||
return err |
|||
} |
|||
|
|||
return dir.saveEntry(entry) |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error { |
|||
|
|||
glog.V(4).Infof("dir Removexattr %s: %s", dir.FullPath(), req.Name) |
|||
|
|||
entry, err := dir.maybeLoadEntry() |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if err := removexattr(entry, req); err != nil { |
|||
return err |
|||
} |
|||
|
|||
return dir.saveEntry(entry) |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error { |
|||
|
|||
glog.V(4).Infof("dir Listxattr %s", dir.FullPath()) |
|||
|
|||
entry, err := dir.maybeLoadEntry() |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if err := listxattr(entry, req, resp); err != nil { |
|||
return err |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) Forget() { |
|||
glog.V(4).Infof("Forget dir %s", dir.FullPath()) |
|||
} |
|||
|
|||
func (dir *Dir) maybeLoadEntry() (*filer_pb.Entry, error) { |
|||
parentDirPath, name := util.FullPath(dir.FullPath()).DirAndName() |
|||
return dir.wfs.maybeLoadEntry(parentDirPath, name) |
|||
} |
|||
|
|||
func (dir *Dir) saveEntry(entry *filer_pb.Entry) error { |
|||
|
|||
parentDir, name := util.FullPath(dir.FullPath()).DirAndName() |
|||
|
|||
return dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
dir.wfs.mapPbIdFromLocalToFiler(entry) |
|||
defer dir.wfs.mapPbIdFromFilerToLocal(entry) |
|||
|
|||
request := &filer_pb.UpdateEntryRequest{ |
|||
Directory: parentDir, |
|||
Entry: entry, |
|||
Signatures: []int32{dir.wfs.signature}, |
|||
} |
|||
|
|||
glog.V(1).Infof("save dir entry: %v", request) |
|||
_, err := client.UpdateEntry(context.Background(), request) |
|||
if err != nil { |
|||
glog.Errorf("UpdateEntry dir %s/%s: %v", parentDir, name, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
if err := dir.wfs.metaCache.UpdateEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)); err != nil { |
|||
glog.Errorf("UpdateEntry dir %s/%s: %v", parentDir, name, err) |
|||
return fuse.ESTALE |
|||
} |
|||
|
|||
return nil |
|||
}) |
|||
} |
|||
|
|||
func (dir *Dir) FullPath() string { |
|||
var parts []string |
|||
for p := dir; p != nil; p = p.parent { |
|||
if strings.HasPrefix(p.name, "/") { |
|||
if len(p.name) > 1 { |
|||
parts = append(parts, p.name[1:]) |
|||
} |
|||
} else { |
|||
parts = append(parts, p.name) |
|||
} |
|||
} |
|||
|
|||
if len(parts) == 0 { |
|||
return "/" |
|||
} |
|||
|
|||
var buf bytes.Buffer |
|||
for i := len(parts) - 1; i >= 0; i-- { |
|||
buf.WriteString("/") |
|||
buf.WriteString(parts[i]) |
|||
} |
|||
return buf.String() |
|||
} |
|||
@ -1,169 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"os" |
|||
"syscall" |
|||
"time" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/seaweedfs/fuse" |
|||
"github.com/seaweedfs/fuse/fs" |
|||
) |
|||
|
|||
var _ = fs.NodeLinker(&Dir{}) |
|||
var _ = fs.NodeSymlinker(&Dir{}) |
|||
var _ = fs.NodeReadlinker(&File{}) |
|||
|
|||
const ( |
|||
HARD_LINK_MARKER = '\x01' |
|||
) |
|||
|
|||
func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (fs.Node, error) { |
|||
|
|||
if err := checkName(req.NewName); err != nil { |
|||
return nil, err |
|||
} |
|||
|
|||
oldFile, ok := old.(*File) |
|||
if !ok { |
|||
glog.Errorf("old node is not a file: %+v", old) |
|||
} |
|||
|
|||
glog.V(4).Infof("Link: %v/%v -> %v/%v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName) |
|||
|
|||
oldEntry, err := oldFile.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return nil, err |
|||
} |
|||
|
|||
if oldEntry == nil { |
|||
return nil, fuse.EIO |
|||
} |
|||
|
|||
// update old file to hardlink mode
|
|||
if len(oldEntry.HardLinkId) == 0 { |
|||
oldEntry.HardLinkId = append(util.RandomBytes(16), HARD_LINK_MARKER) |
|||
oldEntry.HardLinkCounter = 1 |
|||
} |
|||
oldEntry.HardLinkCounter++ |
|||
updateOldEntryRequest := &filer_pb.UpdateEntryRequest{ |
|||
Directory: oldFile.dir.FullPath(), |
|||
Entry: oldEntry, |
|||
Signatures: []int32{dir.wfs.signature}, |
|||
} |
|||
|
|||
// CreateLink 1.2 : update new file to hardlink mode
|
|||
oldEntry.Attributes.Mtime = time.Now().Unix() |
|||
request := &filer_pb.CreateEntryRequest{ |
|||
Directory: dir.FullPath(), |
|||
Entry: &filer_pb.Entry{ |
|||
Name: req.NewName, |
|||
IsDirectory: false, |
|||
Attributes: oldEntry.Attributes, |
|||
Chunks: oldEntry.Chunks, |
|||
Extended: oldEntry.Extended, |
|||
HardLinkId: oldEntry.HardLinkId, |
|||
HardLinkCounter: oldEntry.HardLinkCounter, |
|||
}, |
|||
Signatures: []int32{dir.wfs.signature}, |
|||
} |
|||
|
|||
// apply changes to the filer, and also apply to local metaCache
|
|||
err = dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
dir.wfs.mapPbIdFromLocalToFiler(request.Entry) |
|||
defer dir.wfs.mapPbIdFromFilerToLocal(request.Entry) |
|||
|
|||
if err := filer_pb.UpdateEntry(client, updateOldEntryRequest); err != nil { |
|||
glog.V(0).Infof("Link %v/%v -> %s/%s: %v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName, err) |
|||
return fuse.EIO |
|||
} |
|||
dir.wfs.metaCache.UpdateEntry(context.Background(), filer.FromPbEntry(updateOldEntryRequest.Directory, updateOldEntryRequest.Entry)) |
|||
|
|||
if err := filer_pb.CreateEntry(client, request); err != nil { |
|||
glog.V(0).Infof("Link %v/%v -> %s/%s: %v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName, err) |
|||
return fuse.EIO |
|||
} |
|||
dir.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)) |
|||
|
|||
return nil |
|||
}) |
|||
|
|||
if err != nil { |
|||
return nil, fuse.EIO |
|||
} |
|||
|
|||
// create new file node
|
|||
newNode := dir.newFile(req.NewName, 0) |
|||
newFile := newNode.(*File) |
|||
|
|||
return newFile, err |
|||
|
|||
} |
|||
|
|||
func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node, error) { |
|||
|
|||
if err := checkName(req.NewName); err != nil { |
|||
return nil, err |
|||
} |
|||
|
|||
glog.V(4).Infof("Symlink: %v/%v to %v", dir.FullPath(), req.NewName, req.Target) |
|||
|
|||
request := &filer_pb.CreateEntryRequest{ |
|||
Directory: dir.FullPath(), |
|||
Entry: &filer_pb.Entry{ |
|||
Name: req.NewName, |
|||
IsDirectory: false, |
|||
Attributes: &filer_pb.FuseAttributes{ |
|||
Mtime: time.Now().Unix(), |
|||
Crtime: time.Now().Unix(), |
|||
FileMode: uint32((os.FileMode(0777) | os.ModeSymlink) &^ dir.wfs.option.Umask), |
|||
Uid: req.Uid, |
|||
Gid: req.Gid, |
|||
SymlinkTarget: req.Target, |
|||
}, |
|||
}, |
|||
Signatures: []int32{dir.wfs.signature}, |
|||
} |
|||
|
|||
err := dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
dir.wfs.mapPbIdFromLocalToFiler(request.Entry) |
|||
defer dir.wfs.mapPbIdFromFilerToLocal(request.Entry) |
|||
|
|||
if err := filer_pb.CreateEntry(client, request); err != nil { |
|||
glog.V(0).Infof("symlink %s/%s: %v", dir.FullPath(), req.NewName, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
dir.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)) |
|||
|
|||
return nil |
|||
}) |
|||
|
|||
symlink := dir.newFile(req.NewName, os.ModeSymlink) |
|||
|
|||
return symlink, err |
|||
|
|||
} |
|||
|
|||
func (file *File) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string, error) { |
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return "", err |
|||
} |
|||
|
|||
if os.FileMode(entry.Attributes.FileMode)&os.ModeSymlink == 0 { |
|||
return "", fuse.Errno(syscall.EINVAL) |
|||
} |
|||
|
|||
glog.V(4).Infof("Readlink: %v/%v => %v", file.dir.FullPath(), file.Name, entry.Attributes.SymlinkTarget) |
|||
|
|||
return entry.Attributes.SymlinkTarget, nil |
|||
|
|||
} |
|||
@ -1,149 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"github.com/seaweedfs/fuse" |
|||
"github.com/seaweedfs/fuse/fs" |
|||
"io" |
|||
"os" |
|||
"strings" |
|||
) |
|||
|
|||
func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirectory fs.Node) error { |
|||
|
|||
if err := checkName(req.NewName); err != nil { |
|||
return err |
|||
} |
|||
if err := checkName(req.OldName); err != nil { |
|||
return err |
|||
} |
|||
|
|||
newDir := newDirectory.(*Dir) |
|||
|
|||
newPath := util.NewFullPath(newDir.FullPath(), req.NewName) |
|||
oldPath := util.NewFullPath(dir.FullPath(), req.OldName) |
|||
|
|||
glog.V(4).Infof("dir Rename %s => %s", oldPath, newPath) |
|||
|
|||
// update remote filer
|
|||
err := dir.wfs.WithFilerClient(true, func(client filer_pb.SeaweedFilerClient) error { |
|||
ctx, cancel := context.WithCancel(context.Background()) |
|||
defer cancel() |
|||
|
|||
request := &filer_pb.StreamRenameEntryRequest{ |
|||
OldDirectory: dir.FullPath(), |
|||
OldName: req.OldName, |
|||
NewDirectory: newDir.FullPath(), |
|||
NewName: req.NewName, |
|||
Signatures: []int32{dir.wfs.signature}, |
|||
} |
|||
|
|||
stream, err := client.StreamRenameEntry(ctx, request) |
|||
if err != nil { |
|||
glog.Errorf("dir AtomicRenameEntry %s => %s : %v", oldPath, newPath, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
for { |
|||
resp, recvErr := stream.Recv() |
|||
if recvErr != nil { |
|||
if recvErr == io.EOF { |
|||
break |
|||
} else { |
|||
glog.V(0).Infof("dir Rename %s => %s receive: %v", oldPath, newPath, recvErr) |
|||
if strings.Contains(recvErr.Error(), "not empty") { |
|||
return fuse.EEXIST |
|||
} |
|||
if strings.Contains(recvErr.Error(), "not directory") { |
|||
return fuse.ENOTDIR |
|||
} |
|||
return recvErr |
|||
} |
|||
} |
|||
|
|||
if err = dir.handleRenameResponse(ctx, resp); err != nil { |
|||
glog.V(0).Infof("dir Rename %s => %s : %v", oldPath, newPath, err) |
|||
return err |
|||
} |
|||
|
|||
} |
|||
|
|||
return nil |
|||
|
|||
}) |
|||
|
|||
return err |
|||
} |
|||
|
|||
func (dir *Dir) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamRenameEntryResponse) error { |
|||
// comes from filer StreamRenameEntry, can only be create or delete entry
|
|||
|
|||
if resp.EventNotification.NewEntry != nil { |
|||
// with new entry, the old entry name also exists. This is the first step to create new entry
|
|||
newEntry := filer.FromPbEntry(resp.EventNotification.NewParentPath, resp.EventNotification.NewEntry) |
|||
if err := dir.wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, "", newEntry); err != nil { |
|||
return err |
|||
} |
|||
|
|||
oldParent, newParent := util.FullPath(resp.Directory), util.FullPath(resp.EventNotification.NewParentPath) |
|||
oldName, newName := resp.EventNotification.OldEntry.Name, resp.EventNotification.NewEntry.Name |
|||
|
|||
entryFileMode := newEntry.Attr.Mode |
|||
|
|||
oldPath := oldParent.Child(oldName) |
|||
newPath := newParent.Child(newName) |
|||
oldFsNode := NodeWithId(oldPath.AsInode(entryFileMode)) |
|||
newFsNode := NodeWithId(newPath.AsInode(entryFileMode)) |
|||
newDirNode, found := dir.wfs.Server.FindInternalNode(NodeWithId(newParent.AsInode(os.ModeDir))) |
|||
var newDir *Dir |
|||
if found { |
|||
newDir = newDirNode.(*Dir) |
|||
} |
|||
dir.wfs.Server.InvalidateInternalNode(oldFsNode, newFsNode, func(internalNode fs.Node) { |
|||
if file, ok := internalNode.(*File); ok { |
|||
glog.V(4).Infof("internal file node %s", oldParent.Child(oldName)) |
|||
file.Name = newName |
|||
file.id = uint64(newFsNode) |
|||
if found { |
|||
file.dir = newDir |
|||
} |
|||
} |
|||
if dir, ok := internalNode.(*Dir); ok { |
|||
glog.V(4).Infof("internal dir node %s", oldParent.Child(oldName)) |
|||
dir.name = newName |
|||
dir.id = uint64(newFsNode) |
|||
if found { |
|||
dir.parent = newDir |
|||
} |
|||
} |
|||
}) |
|||
|
|||
// change file handle
|
|||
if !newEntry.IsDirectory() { |
|||
inodeId := oldPath.AsInode(entryFileMode) |
|||
dir.wfs.handlesLock.Lock() |
|||
if existingHandle, found := dir.wfs.handles[inodeId]; found && existingHandle != nil { |
|||
glog.V(4).Infof("opened file handle %s => %s", oldPath, newPath) |
|||
delete(dir.wfs.handles, inodeId) |
|||
existingHandle.handle = newPath.AsInode(entryFileMode) |
|||
existingHandle.f.entry.Name = newName |
|||
existingHandle.f.id = newPath.AsInode(entryFileMode) |
|||
dir.wfs.handles[newPath.AsInode(entryFileMode)] = existingHandle |
|||
} |
|||
dir.wfs.handlesLock.Unlock() |
|||
} |
|||
|
|||
} else if resp.EventNotification.OldEntry != nil { |
|||
// without new entry, only old entry name exists. This is the second step to delete old entry
|
|||
if err := dir.wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, util.NewFullPath(resp.Directory, resp.EventNotification.OldEntry.Name), nil); err != nil { |
|||
return err |
|||
} |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
@ -1,100 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"fmt" |
|||
"github.com/chrislusf/seaweedfs/weed/filesys/page_writer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"io" |
|||
"sync" |
|||
"time" |
|||
) |
|||
|
|||
type ChunkedDirtyPages struct { |
|||
fh *FileHandle |
|||
writeWaitGroup sync.WaitGroup |
|||
chunkAddLock sync.Mutex |
|||
lastErr error |
|||
collection string |
|||
replication string |
|||
uploadPipeline *page_writer.UploadPipeline |
|||
hasWrites bool |
|||
} |
|||
|
|||
var ( |
|||
_ = page_writer.DirtyPages(&ChunkedDirtyPages{}) |
|||
) |
|||
|
|||
func newMemoryChunkPages(fh *FileHandle, chunkSize int64) *ChunkedDirtyPages { |
|||
|
|||
dirtyPages := &ChunkedDirtyPages{ |
|||
fh: fh, |
|||
} |
|||
|
|||
dirtyPages.uploadPipeline = page_writer.NewUploadPipeline(fh.f.wfs.concurrentWriters, chunkSize, dirtyPages.saveChunkedFileIntevalToStorage, fh.f.wfs.option.ConcurrentWriters) |
|||
|
|||
return dirtyPages |
|||
} |
|||
|
|||
func (pages *ChunkedDirtyPages) AddPage(offset int64, data []byte) { |
|||
pages.hasWrites = true |
|||
|
|||
glog.V(4).Infof("%v memory AddPage [%d, %d)", pages.fh.f.fullpath(), offset, offset+int64(len(data))) |
|||
pages.uploadPipeline.SaveDataAt(data, offset) |
|||
|
|||
return |
|||
} |
|||
|
|||
func (pages *ChunkedDirtyPages) FlushData() error { |
|||
if !pages.hasWrites { |
|||
return nil |
|||
} |
|||
pages.uploadPipeline.FlushAll() |
|||
if pages.lastErr != nil { |
|||
return fmt.Errorf("flush data: %v", pages.lastErr) |
|||
} |
|||
return nil |
|||
} |
|||
|
|||
func (pages *ChunkedDirtyPages) ReadDirtyDataAt(data []byte, startOffset int64) (maxStop int64) { |
|||
if !pages.hasWrites { |
|||
return |
|||
} |
|||
return pages.uploadPipeline.MaybeReadDataAt(data, startOffset) |
|||
} |
|||
|
|||
func (pages *ChunkedDirtyPages) GetStorageOptions() (collection, replication string) { |
|||
return pages.collection, pages.replication |
|||
} |
|||
|
|||
func (pages *ChunkedDirtyPages) saveChunkedFileIntevalToStorage(reader io.Reader, offset int64, size int64, cleanupFn func()) { |
|||
|
|||
mtime := time.Now().UnixNano() |
|||
defer cleanupFn() |
|||
|
|||
chunk, collection, replication, err := pages.fh.f.wfs.saveDataAsChunk(pages.fh.f.fullpath())(reader, pages.fh.f.Name, offset) |
|||
if err != nil { |
|||
glog.V(0).Infof("%s saveToStorage [%d,%d): %v", pages.fh.f.fullpath(), offset, offset+size, err) |
|||
pages.lastErr = err |
|||
return |
|||
} |
|||
chunk.Mtime = mtime |
|||
pages.collection, pages.replication = collection, replication |
|||
pages.chunkAddLock.Lock() |
|||
pages.fh.f.addChunks([]*filer_pb.FileChunk{chunk}) |
|||
pages.fh.entryViewCache = nil |
|||
glog.V(3).Infof("%s saveToStorage %s [%d,%d)", pages.fh.f.fullpath(), chunk.FileId, offset, offset+size) |
|||
pages.chunkAddLock.Unlock() |
|||
|
|||
} |
|||
|
|||
func (pages ChunkedDirtyPages) Destroy() { |
|||
pages.uploadPipeline.Shutdown() |
|||
} |
|||
|
|||
func (pages *ChunkedDirtyPages) LockForRead(startOffset, stopOffset int64) { |
|||
pages.uploadPipeline.LockForRead(startOffset, stopOffset) |
|||
} |
|||
func (pages *ChunkedDirtyPages) UnlockForRead(startOffset, stopOffset int64) { |
|||
pages.uploadPipeline.UnlockForRead(startOffset, stopOffset) |
|||
} |
|||
@ -1,406 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"os" |
|||
"sort" |
|||
"time" |
|||
|
|||
"github.com/seaweedfs/fuse" |
|||
"github.com/seaweedfs/fuse/fs" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
const blockSize = 512 |
|||
|
|||
var _ = fs.Node(&File{}) |
|||
var _ = fs.NodeIdentifier(&File{}) |
|||
var _ = fs.NodeOpener(&File{}) |
|||
var _ = fs.NodeFsyncer(&File{}) |
|||
var _ = fs.NodeSetattrer(&File{}) |
|||
var _ = fs.NodeGetxattrer(&File{}) |
|||
var _ = fs.NodeSetxattrer(&File{}) |
|||
var _ = fs.NodeRemovexattrer(&File{}) |
|||
var _ = fs.NodeListxattrer(&File{}) |
|||
var _ = fs.NodeForgetter(&File{}) |
|||
|
|||
type File struct { |
|||
Name string |
|||
dir *Dir |
|||
wfs *WFS |
|||
entry *filer_pb.Entry |
|||
isOpen int |
|||
dirtyMetadata bool |
|||
id uint64 |
|||
} |
|||
|
|||
func (file *File) fullpath() util.FullPath { |
|||
return util.NewFullPath(file.dir.FullPath(), file.Name) |
|||
} |
|||
|
|||
func (file *File) Id() uint64 { |
|||
return file.id |
|||
} |
|||
|
|||
func (file *File) Attr(ctx context.Context, attr *fuse.Attr) (err error) { |
|||
|
|||
glog.V(4).Infof("file Attr %s, open:%v existing:%v", file.fullpath(), file.isOpen, attr) |
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if entry == nil { |
|||
return fuse.ENOENT |
|||
} |
|||
|
|||
attr.Inode = file.Id() |
|||
attr.Valid = time.Second |
|||
attr.Mode = os.FileMode(entry.Attributes.FileMode) |
|||
attr.Size = filer.FileSize(entry) |
|||
if file.isOpen > 0 { |
|||
attr.Size = entry.Attributes.FileSize |
|||
glog.V(4).Infof("file Attr %s, open:%v, size: %d", file.fullpath(), file.isOpen, attr.Size) |
|||
} |
|||
attr.Crtime = time.Unix(entry.Attributes.Crtime, 0) |
|||
attr.Ctime = time.Unix(entry.Attributes.Mtime, 0) |
|||
attr.Mtime = time.Unix(entry.Attributes.Mtime, 0) |
|||
attr.Gid = entry.Attributes.Gid |
|||
attr.Uid = entry.Attributes.Uid |
|||
attr.BlockSize = blockSize |
|||
attr.Blocks = (attr.Size + blockSize - 1) / blockSize |
|||
if entry.HardLinkCounter > 0 { |
|||
attr.Nlink = uint32(entry.HardLinkCounter) |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func (file *File) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error { |
|||
|
|||
// glog.V(4).Infof("file Getxattr %s", file.fullpath())
|
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
return getxattr(entry, req, resp) |
|||
} |
|||
|
|||
func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) { |
|||
|
|||
glog.V(4).Infof("file %v open %+v", file.fullpath(), req) |
|||
// resp.Flags |= fuse.OpenDirectIO
|
|||
|
|||
handle := file.wfs.AcquireHandle(file, req.Uid, req.Gid) |
|||
|
|||
resp.Handle = fuse.HandleID(handle.handle) |
|||
|
|||
glog.V(4).Infof("%v file open handle id = %d", file.fullpath(), handle.handle) |
|||
|
|||
return handle, nil |
|||
|
|||
} |
|||
|
|||
func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error { |
|||
|
|||
glog.V(4).Infof("%v file setattr %+v mode=%d", file.fullpath(), req, req.Mode) |
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if req.Valid.Size() { |
|||
|
|||
glog.V(4).Infof("%v file setattr set size=%v chunks=%d", file.fullpath(), req.Size, len(entry.Chunks)) |
|||
if req.Size < filer.FileSize(entry) { |
|||
// fmt.Printf("truncate %v \n", fullPath)
|
|||
var chunks []*filer_pb.FileChunk |
|||
var truncatedChunks []*filer_pb.FileChunk |
|||
for _, chunk := range entry.Chunks { |
|||
int64Size := int64(chunk.Size) |
|||
if chunk.Offset+int64Size > int64(req.Size) { |
|||
// this chunk is truncated
|
|||
int64Size = int64(req.Size) - chunk.Offset |
|||
if int64Size > 0 { |
|||
chunks = append(chunks, chunk) |
|||
glog.V(4).Infof("truncated chunk %+v from %d to %d\n", chunk.GetFileIdString(), chunk.Size, int64Size) |
|||
chunk.Size = uint64(int64Size) |
|||
} else { |
|||
glog.V(4).Infof("truncated whole chunk %+v\n", chunk.GetFileIdString()) |
|||
truncatedChunks = append(truncatedChunks, chunk) |
|||
} |
|||
} |
|||
} |
|||
// set the new chunks and reset entry cache
|
|||
entry.Chunks = chunks |
|||
file.wfs.handlesLock.Lock() |
|||
existingHandle, found := file.wfs.handles[file.Id()] |
|||
file.wfs.handlesLock.Unlock() |
|||
if found { |
|||
existingHandle.entryViewCache = nil |
|||
} |
|||
|
|||
} |
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
entry.Attributes.FileSize = req.Size |
|||
file.dirtyMetadata = true |
|||
} |
|||
|
|||
if req.Valid.Mode() && entry.Attributes.FileMode != uint32(req.Mode) { |
|||
entry.Attributes.FileMode = uint32(req.Mode) |
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
file.dirtyMetadata = true |
|||
} |
|||
|
|||
if req.Valid.Uid() && entry.Attributes.Uid != req.Uid { |
|||
entry.Attributes.Uid = req.Uid |
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
file.dirtyMetadata = true |
|||
} |
|||
|
|||
if req.Valid.Gid() && entry.Attributes.Gid != req.Gid { |
|||
entry.Attributes.Gid = req.Gid |
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
file.dirtyMetadata = true |
|||
} |
|||
|
|||
if req.Valid.Crtime() { |
|||
entry.Attributes.Crtime = req.Crtime.Unix() |
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
file.dirtyMetadata = true |
|||
} |
|||
|
|||
if req.Valid.Mtime() && entry.Attributes.Mtime != req.Mtime.Unix() { |
|||
entry.Attributes.Mtime = req.Mtime.Unix() |
|||
file.dirtyMetadata = true |
|||
} |
|||
|
|||
if req.Valid.Handle() { |
|||
// fmt.Printf("file handle => %d\n", req.Handle)
|
|||
} |
|||
|
|||
if file.isOpen > 0 { |
|||
return nil |
|||
} |
|||
|
|||
if !file.dirtyMetadata { |
|||
return nil |
|||
} |
|||
|
|||
return file.saveEntry(entry) |
|||
|
|||
} |
|||
|
|||
func (file *File) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error { |
|||
|
|||
glog.V(4).Infof("file Setxattr %s: %s", file.fullpath(), req.Name) |
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if err := setxattr(entry, req); err != nil { |
|||
return err |
|||
} |
|||
file.dirtyMetadata = true |
|||
|
|||
if file.isOpen > 0 { |
|||
return nil |
|||
} |
|||
|
|||
return file.saveEntry(entry) |
|||
|
|||
} |
|||
|
|||
func (file *File) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error { |
|||
|
|||
glog.V(4).Infof("file Removexattr %s: %s", file.fullpath(), req.Name) |
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if err := removexattr(entry, req); err != nil { |
|||
return err |
|||
} |
|||
file.dirtyMetadata = true |
|||
|
|||
if file.isOpen > 0 { |
|||
return nil |
|||
} |
|||
|
|||
return file.saveEntry(entry) |
|||
|
|||
} |
|||
|
|||
func (file *File) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error { |
|||
|
|||
glog.V(4).Infof("file Listxattr %s", file.fullpath()) |
|||
|
|||
entry, err := file.maybeLoadEntry(ctx) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
|
|||
if err := listxattr(entry, req, resp); err != nil { |
|||
return err |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func (file *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) error { |
|||
|
|||
// write the file chunks to the filerGrpcAddress
|
|||
glog.V(4).Infof("%s/%s fsync file %+v", file.dir.FullPath(), file.Name, req) |
|||
|
|||
return file.wfs.Fsync(file, req.Header) |
|||
|
|||
} |
|||
|
|||
func (file *File) Forget() { |
|||
t := util.NewFullPath(file.dir.FullPath(), file.Name) |
|||
glog.V(4).Infof("Forget file %s", t) |
|||
file.wfs.ReleaseHandle(t, fuse.HandleID(t.AsInode(file.entry.FileMode()))) |
|||
|
|||
} |
|||
|
|||
func (file *File) maybeLoadEntry(ctx context.Context) (entry *filer_pb.Entry, err error) { |
|||
|
|||
file.wfs.handlesLock.Lock() |
|||
handle, found := file.wfs.handles[file.Id()] |
|||
file.wfs.handlesLock.Unlock() |
|||
entry = file.entry |
|||
if found { |
|||
// glog.V(4).Infof("maybeLoadEntry found opened file %s/%s", file.dir.FullPath(), file.Name)
|
|||
entry = handle.f.entry |
|||
} |
|||
|
|||
if entry != nil { |
|||
if len(entry.HardLinkId) == 0 { |
|||
// only always reload hard link
|
|||
return entry, nil |
|||
} |
|||
} |
|||
entry, err = file.wfs.maybeLoadEntry(file.dir.FullPath(), file.Name) |
|||
if err != nil { |
|||
glog.V(3).Infof("maybeLoadEntry file %s/%s: %v", file.dir.FullPath(), file.Name, err) |
|||
return entry, err |
|||
} |
|||
if entry != nil { |
|||
// file.entry = entry
|
|||
} else { |
|||
glog.Warningf("maybeLoadEntry not found entry %s/%s: %v", file.dir.FullPath(), file.Name, err) |
|||
} |
|||
return entry, nil |
|||
} |
|||
|
|||
func lessThan(a, b *filer_pb.FileChunk) bool { |
|||
if a.Mtime == b.Mtime { |
|||
return a.Fid.FileKey < b.Fid.FileKey |
|||
} |
|||
return a.Mtime < b.Mtime |
|||
} |
|||
|
|||
func (file *File) addChunks(chunks []*filer_pb.FileChunk) { |
|||
|
|||
// find the earliest incoming chunk
|
|||
newChunks := chunks |
|||
earliestChunk := newChunks[0] |
|||
for i := 1; i < len(newChunks); i++ { |
|||
if lessThan(earliestChunk, newChunks[i]) { |
|||
earliestChunk = newChunks[i] |
|||
} |
|||
} |
|||
|
|||
entry := file.getEntry() |
|||
if entry == nil { |
|||
return |
|||
} |
|||
|
|||
// pick out-of-order chunks from existing chunks
|
|||
for _, chunk := range entry.Chunks { |
|||
if lessThan(earliestChunk, chunk) { |
|||
chunks = append(chunks, chunk) |
|||
} |
|||
} |
|||
|
|||
// sort incoming chunks
|
|||
sort.Slice(chunks, func(i, j int) bool { |
|||
return lessThan(chunks[i], chunks[j]) |
|||
}) |
|||
|
|||
glog.V(4).Infof("%s existing %d chunks adds %d more", file.fullpath(), len(entry.Chunks), len(chunks)) |
|||
|
|||
entry.Chunks = append(entry.Chunks, newChunks...) |
|||
} |
|||
|
|||
func (file *File) saveEntry(entry *filer_pb.Entry) error { |
|||
return file.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
file.wfs.mapPbIdFromLocalToFiler(entry) |
|||
defer file.wfs.mapPbIdFromFilerToLocal(entry) |
|||
|
|||
request := &filer_pb.CreateEntryRequest{ |
|||
Directory: file.dir.FullPath(), |
|||
Entry: entry, |
|||
Signatures: []int32{file.wfs.signature}, |
|||
} |
|||
|
|||
glog.V(4).Infof("save file entry: %v", request) |
|||
_, err := client.CreateEntry(context.Background(), request) |
|||
if err != nil { |
|||
glog.Errorf("UpdateEntry file %s/%s: %v", file.dir.FullPath(), file.Name, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
file.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)) |
|||
|
|||
file.dirtyMetadata = false |
|||
|
|||
return nil |
|||
}) |
|||
} |
|||
|
|||
func (file *File) getEntry() *filer_pb.Entry { |
|||
return file.entry |
|||
} |
|||
|
|||
func (file *File) downloadRemoteEntry(entry *filer_pb.Entry) (*filer_pb.Entry, error) { |
|||
err := file.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
request := &filer_pb.CacheRemoteObjectToLocalClusterRequest{ |
|||
Directory: file.dir.FullPath(), |
|||
Name: entry.Name, |
|||
} |
|||
|
|||
glog.V(4).Infof("download entry: %v", request) |
|||
resp, err := client.CacheRemoteObjectToLocalCluster(context.Background(), request) |
|||
if err != nil { |
|||
glog.Errorf("CacheRemoteObjectToLocalCluster file %s/%s: %v", file.dir.FullPath(), file.Name, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
entry = resp.Entry |
|||
|
|||
file.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, resp.Entry)) |
|||
|
|||
file.dirtyMetadata = false |
|||
|
|||
return nil |
|||
}) |
|||
|
|||
return entry, err |
|||
} |
|||
@ -1,346 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"fmt" |
|||
"io" |
|||
"net/http" |
|||
"os" |
|||
"sync" |
|||
"time" |
|||
|
|||
"github.com/seaweedfs/fuse" |
|||
"github.com/seaweedfs/fuse/fs" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
) |
|||
|
|||
type FileHandle struct { |
|||
// cache file has been written to
|
|||
dirtyPages *PageWriter |
|||
entryViewCache []filer.VisibleInterval |
|||
reader io.ReaderAt |
|||
contentType string |
|||
handle uint64 |
|||
sync.Mutex |
|||
|
|||
f *File |
|||
NodeId fuse.NodeID // file or directory the request is about
|
|||
Uid uint32 // user ID of process making request
|
|||
Gid uint32 // group ID of process making request
|
|||
isDeleted bool |
|||
} |
|||
|
|||
func newFileHandle(file *File, uid, gid uint32) *FileHandle { |
|||
fh := &FileHandle{ |
|||
f: file, |
|||
Uid: uid, |
|||
Gid: gid, |
|||
} |
|||
// dirtyPages: newContinuousDirtyPages(file, writeOnly),
|
|||
fh.dirtyPages = newPageWriter(fh, file.wfs.option.ChunkSizeLimit) |
|||
entry := fh.f.getEntry() |
|||
if entry != nil { |
|||
entry.Attributes.FileSize = filer.FileSize(entry) |
|||
} |
|||
|
|||
return fh |
|||
} |
|||
|
|||
var _ = fs.Handle(&FileHandle{}) |
|||
|
|||
// var _ = fs.HandleReadAller(&FileHandle{})
|
|||
var _ = fs.HandleReader(&FileHandle{}) |
|||
var _ = fs.HandleFlusher(&FileHandle{}) |
|||
var _ = fs.HandleWriter(&FileHandle{}) |
|||
var _ = fs.HandleReleaser(&FileHandle{}) |
|||
|
|||
func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error { |
|||
|
|||
fh.Lock() |
|||
defer fh.Unlock() |
|||
|
|||
glog.V(4).Infof("%s read fh %d: [%d,%d) size %d resp.Data cap=%d", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size), req.Size, cap(resp.Data)) |
|||
|
|||
if req.Size <= 0 { |
|||
return nil |
|||
} |
|||
|
|||
buff := resp.Data[:cap(resp.Data)] |
|||
if req.Size > cap(resp.Data) { |
|||
// should not happen
|
|||
buff = make([]byte, req.Size) |
|||
} |
|||
|
|||
fh.lockForRead(req.Offset, len(buff)) |
|||
defer fh.unlockForRead(req.Offset, len(buff)) |
|||
totalRead, err := fh.readFromChunks(buff, req.Offset) |
|||
if err == nil || err == io.EOF { |
|||
maxStop := fh.readFromDirtyPages(buff, req.Offset) |
|||
totalRead = max(maxStop-req.Offset, totalRead) |
|||
} |
|||
|
|||
if err == io.EOF { |
|||
err = nil |
|||
} |
|||
|
|||
if err != nil { |
|||
glog.Warningf("file handle read %s %d: %v", fh.f.fullpath(), totalRead, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
if totalRead > int64(len(buff)) { |
|||
glog.Warningf("%s FileHandle Read %d: [%d,%d) size %d totalRead %d", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size), req.Size, totalRead) |
|||
totalRead = min(int64(len(buff)), totalRead) |
|||
} |
|||
if err == nil { |
|||
resp.Data = buff[:totalRead] |
|||
} |
|||
|
|||
return err |
|||
} |
|||
|
|||
func (fh *FileHandle) lockForRead(startOffset int64, size int) { |
|||
fh.dirtyPages.LockForRead(startOffset, startOffset+int64(size)) |
|||
} |
|||
func (fh *FileHandle) unlockForRead(startOffset int64, size int) { |
|||
fh.dirtyPages.UnlockForRead(startOffset, startOffset+int64(size)) |
|||
} |
|||
|
|||
func (fh *FileHandle) readFromDirtyPages(buff []byte, startOffset int64) (maxStop int64) { |
|||
maxStop = fh.dirtyPages.ReadDirtyDataAt(buff, startOffset) |
|||
return |
|||
} |
|||
|
|||
func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) { |
|||
|
|||
entry := fh.f.getEntry() |
|||
if entry == nil { |
|||
return 0, io.EOF |
|||
} |
|||
|
|||
if entry.IsInRemoteOnly() { |
|||
glog.V(4).Infof("download remote entry %s", fh.f.fullpath()) |
|||
newEntry, err := fh.f.downloadRemoteEntry(entry) |
|||
if err != nil { |
|||
glog.V(1).Infof("download remote entry %s: %v", fh.f.fullpath(), err) |
|||
return 0, err |
|||
} |
|||
entry = newEntry |
|||
} |
|||
|
|||
fileSize := int64(filer.FileSize(entry)) |
|||
fileFullPath := fh.f.fullpath() |
|||
|
|||
if fileSize == 0 { |
|||
glog.V(1).Infof("empty fh %v", fileFullPath) |
|||
return 0, io.EOF |
|||
} |
|||
|
|||
if offset+int64(len(buff)) <= int64(len(entry.Content)) { |
|||
totalRead := copy(buff, entry.Content[offset:]) |
|||
glog.V(4).Infof("file handle read cached %s [%d,%d] %d", fileFullPath, offset, offset+int64(totalRead), totalRead) |
|||
return int64(totalRead), nil |
|||
} |
|||
|
|||
var chunkResolveErr error |
|||
if fh.entryViewCache == nil { |
|||
fh.entryViewCache, chunkResolveErr = filer.NonOverlappingVisibleIntervals(fh.f.wfs.LookupFn(), entry.Chunks, 0, fileSize) |
|||
if chunkResolveErr != nil { |
|||
return 0, fmt.Errorf("fail to resolve chunk manifest: %v", chunkResolveErr) |
|||
} |
|||
fh.reader = nil |
|||
} |
|||
|
|||
reader := fh.reader |
|||
if reader == nil { |
|||
chunkViews := filer.ViewFromVisibleIntervals(fh.entryViewCache, 0, fileSize) |
|||
glog.V(4).Infof("file handle read %s [%d,%d) from %d views", fileFullPath, offset, offset+int64(len(buff)), len(chunkViews)) |
|||
for _, chunkView := range chunkViews { |
|||
glog.V(4).Infof(" read %s [%d,%d) from chunk %+v", fileFullPath, chunkView.LogicOffset, chunkView.LogicOffset+int64(chunkView.Size), chunkView.FileId) |
|||
} |
|||
reader = filer.NewChunkReaderAtFromClient(fh.f.wfs.LookupFn(), chunkViews, fh.f.wfs.chunkCache, fileSize) |
|||
} |
|||
fh.reader = reader |
|||
|
|||
totalRead, err := reader.ReadAt(buff, offset) |
|||
|
|||
if err != nil && err != io.EOF { |
|||
glog.Errorf("file handle read %s: %v", fileFullPath, err) |
|||
} |
|||
|
|||
glog.V(4).Infof("file handle read %s [%d,%d] %d : %v", fileFullPath, offset, offset+int64(totalRead), totalRead, err) |
|||
|
|||
return int64(totalRead), err |
|||
} |
|||
|
|||
// Write to the file handle
|
|||
func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error { |
|||
|
|||
fh.dirtyPages.writerPattern.MonitorWriteAt(req.Offset, len(req.Data)) |
|||
|
|||
fh.Lock() |
|||
defer fh.Unlock() |
|||
|
|||
// write the request to volume servers
|
|||
data := req.Data |
|||
if len(data) <= 512 && req.Offset == 0 { |
|||
// fuse message cacheable size
|
|||
data = make([]byte, len(req.Data)) |
|||
copy(data, req.Data) |
|||
} |
|||
|
|||
entry := fh.f.getEntry() |
|||
if entry == nil { |
|||
return fuse.EIO |
|||
} |
|||
|
|||
entry.Content = nil |
|||
entry.Attributes.FileSize = uint64(max(req.Offset+int64(len(data)), int64(entry.Attributes.FileSize))) |
|||
// glog.V(4).Infof("%v write [%d,%d) %d", fh.f.fullpath(), req.Offset, req.Offset+int64(len(req.Data)), len(req.Data))
|
|||
|
|||
fh.dirtyPages.AddPage(req.Offset, data) |
|||
|
|||
resp.Size = len(data) |
|||
|
|||
if req.Offset == 0 { |
|||
// detect mime type
|
|||
fh.contentType = http.DetectContentType(data) |
|||
fh.f.dirtyMetadata = true |
|||
} |
|||
|
|||
fh.f.dirtyMetadata = true |
|||
|
|||
return nil |
|||
} |
|||
|
|||
func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error { |
|||
|
|||
glog.V(4).Infof("Release %v fh %d open=%d", fh.f.fullpath(), fh.handle, fh.f.isOpen) |
|||
|
|||
fh.f.wfs.handlesLock.Lock() |
|||
fh.f.isOpen-- |
|||
fh.f.wfs.handlesLock.Unlock() |
|||
|
|||
if fh.f.isOpen <= 0 { |
|||
fh.f.entry = nil |
|||
fh.entryViewCache = nil |
|||
fh.reader = nil |
|||
|
|||
fh.f.wfs.ReleaseHandle(fh.f.fullpath(), fuse.HandleID(fh.handle)) |
|||
fh.dirtyPages.Destroy() |
|||
} |
|||
|
|||
if fh.f.isOpen < 0 { |
|||
glog.V(0).Infof("Release reset %s open count %d => %d", fh.f.Name, fh.f.isOpen, 0) |
|||
fh.f.isOpen = 0 |
|||
return nil |
|||
} |
|||
|
|||
return nil |
|||
} |
|||
|
|||
func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error { |
|||
|
|||
glog.V(4).Infof("Flush %v fh %d", fh.f.fullpath(), fh.handle) |
|||
|
|||
if fh.isDeleted { |
|||
glog.V(4).Infof("Flush %v fh %d skip deleted", fh.f.fullpath(), fh.handle) |
|||
return nil |
|||
} |
|||
|
|||
fh.Lock() |
|||
defer fh.Unlock() |
|||
|
|||
if err := fh.doFlush(ctx, req.Header); err != nil { |
|||
glog.Errorf("Flush doFlush %s: %v", fh.f.Name, err) |
|||
return err |
|||
} |
|||
|
|||
return nil |
|||
} |
|||
|
|||
func (fh *FileHandle) doFlush(ctx context.Context, header fuse.Header) error { |
|||
// flush works at fh level
|
|||
// send the data to the OS
|
|||
glog.V(4).Infof("doFlush %s fh %d", fh.f.fullpath(), fh.handle) |
|||
|
|||
if err := fh.dirtyPages.FlushData(); err != nil { |
|||
glog.Errorf("%v doFlush: %v", fh.f.fullpath(), err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
if !fh.f.dirtyMetadata { |
|||
return nil |
|||
} |
|||
|
|||
err := fh.f.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
entry := fh.f.getEntry() |
|||
if entry == nil { |
|||
return nil |
|||
} |
|||
|
|||
if entry.Attributes != nil { |
|||
entry.Attributes.Mime = fh.contentType |
|||
if entry.Attributes.Uid == 0 { |
|||
entry.Attributes.Uid = header.Uid |
|||
} |
|||
if entry.Attributes.Gid == 0 { |
|||
entry.Attributes.Gid = header.Gid |
|||
} |
|||
if entry.Attributes.Crtime == 0 { |
|||
entry.Attributes.Crtime = time.Now().Unix() |
|||
} |
|||
entry.Attributes.Mtime = time.Now().Unix() |
|||
entry.Attributes.FileMode = uint32(os.FileMode(entry.Attributes.FileMode) &^ fh.f.wfs.option.Umask) |
|||
entry.Attributes.Collection, entry.Attributes.Replication = fh.dirtyPages.GetStorageOptions() |
|||
} |
|||
|
|||
request := &filer_pb.CreateEntryRequest{ |
|||
Directory: fh.f.dir.FullPath(), |
|||
Entry: entry, |
|||
Signatures: []int32{fh.f.wfs.signature}, |
|||
} |
|||
|
|||
glog.V(4).Infof("%s set chunks: %v", fh.f.fullpath(), len(entry.Chunks)) |
|||
for i, chunk := range entry.Chunks { |
|||
glog.V(4).Infof("%s chunks %d: %v [%d,%d)", fh.f.fullpath(), i, chunk.GetFileIdString(), chunk.Offset, chunk.Offset+int64(chunk.Size)) |
|||
} |
|||
|
|||
manifestChunks, nonManifestChunks := filer.SeparateManifestChunks(entry.Chunks) |
|||
|
|||
chunks, _ := filer.CompactFileChunks(fh.f.wfs.LookupFn(), nonManifestChunks) |
|||
chunks, manifestErr := filer.MaybeManifestize(fh.f.wfs.saveDataAsChunk(fh.f.fullpath()), chunks) |
|||
if manifestErr != nil { |
|||
// not good, but should be ok
|
|||
glog.V(0).Infof("MaybeManifestize: %v", manifestErr) |
|||
} |
|||
entry.Chunks = append(chunks, manifestChunks...) |
|||
|
|||
fh.f.wfs.mapPbIdFromLocalToFiler(request.Entry) |
|||
defer fh.f.wfs.mapPbIdFromFilerToLocal(request.Entry) |
|||
|
|||
if err := filer_pb.CreateEntry(client, request); err != nil { |
|||
glog.Errorf("fh flush create %s: %v", fh.f.fullpath(), err) |
|||
return fmt.Errorf("fh flush create %s: %v", fh.f.fullpath(), err) |
|||
} |
|||
|
|||
fh.f.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)) |
|||
|
|||
return nil |
|||
}) |
|||
|
|||
if err == nil { |
|||
fh.f.dirtyMetadata = false |
|||
} |
|||
|
|||
if err != nil { |
|||
glog.Errorf("%v fh %d flush: %v", fh.f.fullpath(), fh.handle, err) |
|||
return fuse.EIO |
|||
} |
|||
|
|||
return nil |
|||
} |
|||
@ -1,213 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"sync" |
|||
|
|||
"github.com/seaweedfs/fuse/fs" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
type FsCache struct { |
|||
root *FsNode |
|||
sync.RWMutex |
|||
} |
|||
type FsNode struct { |
|||
parent *FsNode |
|||
node fs.Node |
|||
name string |
|||
childrenLock sync.RWMutex |
|||
children map[string]*FsNode |
|||
} |
|||
|
|||
func newFsCache(root fs.Node) *FsCache { |
|||
return &FsCache{ |
|||
root: &FsNode{ |
|||
node: root, |
|||
}, |
|||
} |
|||
} |
|||
|
|||
func (c *FsCache) GetFsNode(path util.FullPath) fs.Node { |
|||
|
|||
c.RLock() |
|||
defer c.RUnlock() |
|||
|
|||
return c.doGetFsNode(path) |
|||
} |
|||
|
|||
func (c *FsCache) doGetFsNode(path util.FullPath) fs.Node { |
|||
t := c.root |
|||
for _, p := range path.Split() { |
|||
t = t.findChild(p) |
|||
if t == nil { |
|||
return nil |
|||
} |
|||
} |
|||
return t.node |
|||
} |
|||
|
|||
func (c *FsCache) SetFsNode(path util.FullPath, node fs.Node) { |
|||
|
|||
c.Lock() |
|||
defer c.Unlock() |
|||
|
|||
c.doSetFsNode(path, node) |
|||
} |
|||
|
|||
func (c *FsCache) doSetFsNode(path util.FullPath, node fs.Node) { |
|||
t := c.root |
|||
for _, p := range path.Split() { |
|||
t = t.ensureChild(p) |
|||
} |
|||
t.node = node |
|||
} |
|||
|
|||
func (c *FsCache) EnsureFsNode(path util.FullPath, genNodeFn func() fs.Node) fs.Node { |
|||
|
|||
c.Lock() |
|||
defer c.Unlock() |
|||
|
|||
t := c.doGetFsNode(path) |
|||
if t != nil { |
|||
return t |
|||
} |
|||
t = genNodeFn() |
|||
c.doSetFsNode(path, t) |
|||
return t |
|||
} |
|||
|
|||
func (c *FsCache) DeleteFsNode(path util.FullPath) { |
|||
|
|||
c.Lock() |
|||
defer c.Unlock() |
|||
|
|||
t := c.root |
|||
for _, p := range path.Split() { |
|||
t = t.findChild(p) |
|||
if t == nil { |
|||
return |
|||
} |
|||
} |
|||
if t.parent != nil { |
|||
t.parent.disconnectChild(t) |
|||
} |
|||
t.deleteSelf() |
|||
} |
|||
|
|||
// oldPath and newPath are full path including the new name
|
|||
func (c *FsCache) Move(oldPath util.FullPath, newPath util.FullPath) *FsNode { |
|||
|
|||
c.Lock() |
|||
defer c.Unlock() |
|||
|
|||
// find old node
|
|||
src := c.root |
|||
for _, p := range oldPath.Split() { |
|||
src = src.findChild(p) |
|||
if src == nil { |
|||
return src |
|||
} |
|||
} |
|||
if src.parent != nil { |
|||
src.parent.disconnectChild(src) |
|||
} |
|||
|
|||
// find new node
|
|||
target := c.root |
|||
for _, p := range newPath.Split() { |
|||
target = target.ensureChild(p) |
|||
} |
|||
parent := target.parent |
|||
if dir, ok := src.node.(*Dir); ok { |
|||
dir.name = target.name // target is not Dir, but a shortcut
|
|||
} |
|||
if f, ok := src.node.(*File); ok { |
|||
f.Name = target.name |
|||
entry := f.getEntry() |
|||
if entry != nil { |
|||
entry.Name = f.Name |
|||
} |
|||
} |
|||
parent.disconnectChild(target) |
|||
|
|||
target.deleteSelf() |
|||
|
|||
src.name = target.name |
|||
src.connectToParent(parent) |
|||
|
|||
return src |
|||
} |
|||
|
|||
func (n *FsNode) connectToParent(parent *FsNode) { |
|||
n.parent = parent |
|||
oldNode := parent.findChild(n.name) |
|||
if oldNode != nil { |
|||
oldNode.deleteSelf() |
|||
} |
|||
if dir, ok := n.node.(*Dir); ok { |
|||
if parent.node != nil { |
|||
dir.parent = parent.node.(*Dir) |
|||
} |
|||
} |
|||
if f, ok := n.node.(*File); ok { |
|||
if parent.node != nil { |
|||
f.dir = parent.node.(*Dir) |
|||
} |
|||
} |
|||
n.childrenLock.Lock() |
|||
parent.children[n.name] = n |
|||
n.childrenLock.Unlock() |
|||
} |
|||
|
|||
func (n *FsNode) findChild(name string) *FsNode { |
|||
n.childrenLock.RLock() |
|||
defer n.childrenLock.RUnlock() |
|||
|
|||
child, found := n.children[name] |
|||
if found { |
|||
return child |
|||
} |
|||
return nil |
|||
} |
|||
|
|||
func (n *FsNode) ensureChild(name string) *FsNode { |
|||
n.childrenLock.Lock() |
|||
defer n.childrenLock.Unlock() |
|||
|
|||
if n.children == nil { |
|||
n.children = make(map[string]*FsNode) |
|||
} |
|||
child, found := n.children[name] |
|||
if found { |
|||
return child |
|||
} |
|||
t := &FsNode{ |
|||
parent: n, |
|||
node: nil, |
|||
name: name, |
|||
children: nil, |
|||
} |
|||
n.children[name] = t |
|||
return t |
|||
} |
|||
|
|||
func (n *FsNode) disconnectChild(child *FsNode) { |
|||
n.childrenLock.Lock() |
|||
delete(n.children, child.name) |
|||
n.childrenLock.Unlock() |
|||
child.parent = nil |
|||
} |
|||
|
|||
func (n *FsNode) deleteSelf() { |
|||
n.childrenLock.Lock() |
|||
for _, child := range n.children { |
|||
child.deleteSelf() |
|||
} |
|||
n.children = nil |
|||
n.childrenLock.Unlock() |
|||
|
|||
n.node = nil |
|||
n.parent = nil |
|||
|
|||
} |
|||
@ -1,115 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"testing" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
func TestPathSplit(t *testing.T) { |
|||
parts := util.FullPath("/").Split() |
|||
if len(parts) != 0 { |
|||
t.Errorf("expecting an empty list, but getting %d", len(parts)) |
|||
} |
|||
|
|||
parts = util.FullPath("/readme.md").Split() |
|||
if len(parts) != 1 { |
|||
t.Errorf("expecting an empty list, but getting %d", len(parts)) |
|||
} |
|||
|
|||
} |
|||
|
|||
func TestFsCache(t *testing.T) { |
|||
|
|||
cache := newFsCache(nil) |
|||
|
|||
x := cache.GetFsNode(util.FullPath("/y/x")) |
|||
if x != nil { |
|||
t.Errorf("wrong node!") |
|||
} |
|||
|
|||
p := util.FullPath("/a/b/c") |
|||
cache.SetFsNode(p, &File{Name: "cc"}) |
|||
tNode := cache.GetFsNode(p) |
|||
tFile := tNode.(*File) |
|||
if tFile.Name != "cc" { |
|||
t.Errorf("expecting a FsNode") |
|||
} |
|||
|
|||
cache.SetFsNode(util.FullPath("/a/b/d"), &File{Name: "dd"}) |
|||
cache.SetFsNode(util.FullPath("/a/b/e"), &File{Name: "ee"}) |
|||
cache.SetFsNode(util.FullPath("/a/b/f"), &File{Name: "ff"}) |
|||
cache.SetFsNode(util.FullPath("/z"), &File{Name: "zz"}) |
|||
cache.SetFsNode(util.FullPath("/a"), &File{Name: "aa"}) |
|||
|
|||
b := cache.GetFsNode(util.FullPath("/a/b")) |
|||
if b != nil { |
|||
t.Errorf("unexpected node!") |
|||
} |
|||
|
|||
a := cache.GetFsNode(util.FullPath("/a")) |
|||
if a == nil { |
|||
t.Errorf("missing node!") |
|||
} |
|||
|
|||
cache.DeleteFsNode(util.FullPath("/a")) |
|||
if b != nil { |
|||
t.Errorf("unexpected node!") |
|||
} |
|||
|
|||
a = cache.GetFsNode(util.FullPath("/a")) |
|||
if a != nil { |
|||
t.Errorf("wrong DeleteFsNode!") |
|||
} |
|||
|
|||
z := cache.GetFsNode(util.FullPath("/z")) |
|||
if z == nil { |
|||
t.Errorf("missing node!") |
|||
} |
|||
|
|||
y := cache.GetFsNode(util.FullPath("/x/y")) |
|||
if y != nil { |
|||
t.Errorf("wrong node!") |
|||
} |
|||
|
|||
} |
|||
|
|||
func TestFsCacheMove(t *testing.T) { |
|||
|
|||
cache := newFsCache(nil) |
|||
|
|||
cache.SetFsNode(util.FullPath("/a/b/d"), &File{Name: "dd"}) |
|||
cache.SetFsNode(util.FullPath("/a/b/e"), &File{Name: "ee"}) |
|||
cache.SetFsNode(util.FullPath("/z"), &File{Name: "zz"}) |
|||
cache.SetFsNode(util.FullPath("/a"), &File{Name: "aa"}) |
|||
|
|||
cache.Move(util.FullPath("/a/b"), util.FullPath("/z/x")) |
|||
|
|||
d := cache.GetFsNode(util.FullPath("/z/x/d")) |
|||
if d == nil { |
|||
t.Errorf("unexpected nil node!") |
|||
} |
|||
if d.(*File).Name != "dd" { |
|||
t.Errorf("unexpected non dd node!") |
|||
} |
|||
|
|||
} |
|||
|
|||
func TestFsCacheMove2(t *testing.T) { |
|||
|
|||
cache := newFsCache(nil) |
|||
|
|||
cache.SetFsNode(util.FullPath("/a/b/d"), &File{Name: "dd"}) |
|||
cache.SetFsNode(util.FullPath("/a/b/e"), &File{Name: "ee"}) |
|||
|
|||
cache.Move(util.FullPath("/a/b/d"), util.FullPath("/a/b/e")) |
|||
|
|||
d := cache.GetFsNode(util.FullPath("/a/b/e")) |
|||
if d == nil { |
|||
t.Errorf("unexpected nil node!") |
|||
} |
|||
if d.(*File).Name != "e" { |
|||
t.Errorf("unexpected node!") |
|||
} |
|||
|
|||
} |
|||
@ -1,32 +0,0 @@ |
|||
package meta_cache |
|||
|
|||
import "github.com/chrislusf/seaweedfs/weed/util" |
|||
|
|||
var ( |
|||
_ = util.Configuration(&cacheConfig{}) |
|||
) |
|||
|
|||
// implementing util.Configuraion
|
|||
type cacheConfig struct { |
|||
dir string |
|||
} |
|||
|
|||
func (c cacheConfig) GetString(key string) string { |
|||
return c.dir |
|||
} |
|||
|
|||
func (c cacheConfig) GetBool(key string) bool { |
|||
panic("implement me") |
|||
} |
|||
|
|||
func (c cacheConfig) GetInt(key string) int { |
|||
panic("implement me") |
|||
} |
|||
|
|||
func (c cacheConfig) GetStringSlice(key string) []string { |
|||
panic("implement me") |
|||
} |
|||
|
|||
func (c cacheConfig) SetDefault(key string, value interface{}) { |
|||
panic("implement me") |
|||
} |
|||
@ -1,101 +0,0 @@ |
|||
package meta_cache |
|||
|
|||
import ( |
|||
"fmt" |
|||
"strconv" |
|||
"strings" |
|||
) |
|||
|
|||
type UidGidMapper struct { |
|||
uidMapper *IdMapper |
|||
gidMapper *IdMapper |
|||
} |
|||
|
|||
type IdMapper struct { |
|||
localToFiler map[uint32]uint32 |
|||
filerToLocal map[uint32]uint32 |
|||
} |
|||
|
|||
// UidGidMapper translates local uid/gid to filer uid/gid
|
|||
// The local storage always persists the same as the filer.
|
|||
// The local->filer translation happens when updating the filer first and later saving to meta_cache.
|
|||
// And filer->local happens when reading from the meta_cache.
|
|||
func NewUidGidMapper(uidPairsStr, gidPairStr string) (*UidGidMapper, error) { |
|||
uidMapper, err := newIdMapper(uidPairsStr) |
|||
if err != nil { |
|||
return nil, err |
|||
} |
|||
gidMapper, err := newIdMapper(gidPairStr) |
|||
if err != nil { |
|||
return nil, err |
|||
} |
|||
|
|||
return &UidGidMapper{ |
|||
uidMapper: uidMapper, |
|||
gidMapper: gidMapper, |
|||
}, nil |
|||
} |
|||
|
|||
func (m *UidGidMapper) LocalToFiler(uid, gid uint32) (uint32, uint32) { |
|||
return m.uidMapper.LocalToFiler(uid), m.gidMapper.LocalToFiler(gid) |
|||
} |
|||
func (m *UidGidMapper) FilerToLocal(uid, gid uint32) (uint32, uint32) { |
|||
return m.uidMapper.FilerToLocal(uid), m.gidMapper.FilerToLocal(gid) |
|||
} |
|||
|
|||
func (m *IdMapper) LocalToFiler(id uint32) uint32 { |
|||
value, found := m.localToFiler[id] |
|||
if found { |
|||
return value |
|||
} |
|||
return id |
|||
} |
|||
func (m *IdMapper) FilerToLocal(id uint32) uint32 { |
|||
value, found := m.filerToLocal[id] |
|||
if found { |
|||
return value |
|||
} |
|||
return id |
|||
} |
|||
|
|||
func newIdMapper(pairsStr string) (*IdMapper, error) { |
|||
|
|||
localToFiler, filerToLocal, err := parseUint32Pairs(pairsStr) |
|||
if err != nil { |
|||
return nil, err |
|||
} |
|||
|
|||
return &IdMapper{ |
|||
localToFiler: localToFiler, |
|||
filerToLocal: filerToLocal, |
|||
}, nil |
|||
|
|||
} |
|||
|
|||
func parseUint32Pairs(pairsStr string) (localToFiler, filerToLocal map[uint32]uint32, err error) { |
|||
|
|||
if pairsStr == "" { |
|||
return |
|||
} |
|||
|
|||
localToFiler = make(map[uint32]uint32) |
|||
filerToLocal = make(map[uint32]uint32) |
|||
for _, pairStr := range strings.Split(pairsStr, ",") { |
|||
pair := strings.Split(pairStr, ":") |
|||
localUidStr, filerUidStr := pair[0], pair[1] |
|||
localUid, localUidErr := strconv.Atoi(localUidStr) |
|||
if localUidErr != nil { |
|||
err = fmt.Errorf("failed to parse local %s: %v", localUidStr, localUidErr) |
|||
return |
|||
} |
|||
filerUid, filerUidErr := strconv.Atoi(filerUidStr) |
|||
if filerUidErr != nil { |
|||
err = fmt.Errorf("failed to parse remote %s: %v", filerUidStr, filerUidErr) |
|||
return |
|||
} |
|||
localToFiler[uint32(localUid)] = uint32(filerUid) |
|||
filerToLocal[uint32(filerUid)] = uint32(localUid) |
|||
} |
|||
|
|||
return |
|||
} |
|||
@ -1,154 +0,0 @@ |
|||
package meta_cache |
|||
|
|||
import ( |
|||
"context" |
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/filer/leveldb" |
|||
"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/bounded_tree" |
|||
"os" |
|||
) |
|||
|
|||
// need to have logic similar to FilerStoreWrapper
|
|||
// e.g. fill fileId field for chunks
|
|||
|
|||
type MetaCache struct { |
|||
localStore filer.VirtualFilerStore |
|||
// sync.RWMutex
|
|||
visitedBoundary *bounded_tree.BoundedTree |
|||
uidGidMapper *UidGidMapper |
|||
invalidateFunc func(fullpath util.FullPath, entry *filer_pb.Entry) |
|||
} |
|||
|
|||
func NewMetaCache(dbFolder string, baseDir util.FullPath, uidGidMapper *UidGidMapper, invalidateFunc func(util.FullPath, *filer_pb.Entry)) *MetaCache { |
|||
return &MetaCache{ |
|||
localStore: openMetaStore(dbFolder), |
|||
visitedBoundary: bounded_tree.NewBoundedTree(baseDir), |
|||
uidGidMapper: uidGidMapper, |
|||
invalidateFunc: func(fullpath util.FullPath, entry *filer_pb.Entry) { |
|||
invalidateFunc(fullpath, entry) |
|||
}, |
|||
} |
|||
} |
|||
|
|||
func openMetaStore(dbFolder string) filer.VirtualFilerStore { |
|||
|
|||
os.RemoveAll(dbFolder) |
|||
os.MkdirAll(dbFolder, 0755) |
|||
|
|||
store := &leveldb.LevelDBStore{} |
|||
config := &cacheConfig{ |
|||
dir: dbFolder, |
|||
} |
|||
|
|||
if err := store.Initialize(config, ""); err != nil { |
|||
glog.Fatalf("Failed to initialize metadata cache store for %s: %+v", store.GetName(), err) |
|||
} |
|||
|
|||
return filer.NewFilerStoreWrapper(store) |
|||
|
|||
} |
|||
|
|||
func (mc *MetaCache) InsertEntry(ctx context.Context, entry *filer.Entry) error { |
|||
//mc.Lock()
|
|||
//defer mc.Unlock()
|
|||
return mc.doInsertEntry(ctx, entry) |
|||
} |
|||
|
|||
func (mc *MetaCache) doInsertEntry(ctx context.Context, entry *filer.Entry) error { |
|||
return mc.localStore.InsertEntry(ctx, entry) |
|||
} |
|||
|
|||
func (mc *MetaCache) AtomicUpdateEntryFromFiler(ctx context.Context, oldPath util.FullPath, newEntry *filer.Entry) error { |
|||
//mc.Lock()
|
|||
//defer mc.Unlock()
|
|||
|
|||
oldDir, _ := oldPath.DirAndName() |
|||
if mc.visitedBoundary.HasVisited(util.FullPath(oldDir)) { |
|||
if oldPath != "" { |
|||
if newEntry != nil && oldPath == newEntry.FullPath { |
|||
// skip the unnecessary deletion
|
|||
// leave the update to the following InsertEntry operation
|
|||
} else { |
|||
glog.V(3).Infof("DeleteEntry %s", oldPath) |
|||
if err := mc.localStore.DeleteEntry(ctx, oldPath); err != nil { |
|||
return err |
|||
} |
|||
} |
|||
} |
|||
} else { |
|||
// println("unknown old directory:", oldDir)
|
|||
} |
|||
|
|||
if newEntry != nil { |
|||
newDir, _ := newEntry.DirAndName() |
|||
if mc.visitedBoundary.HasVisited(util.FullPath(newDir)) { |
|||
glog.V(3).Infof("InsertEntry %s/%s", newDir, newEntry.Name()) |
|||
if err := mc.localStore.InsertEntry(ctx, newEntry); err != nil { |
|||
return err |
|||
} |
|||
} |
|||
} |
|||
return nil |
|||
} |
|||
|
|||
func (mc *MetaCache) UpdateEntry(ctx context.Context, entry *filer.Entry) error { |
|||
//mc.Lock()
|
|||
//defer mc.Unlock()
|
|||
return mc.localStore.UpdateEntry(ctx, entry) |
|||
} |
|||
|
|||
func (mc *MetaCache) FindEntry(ctx context.Context, fp util.FullPath) (entry *filer.Entry, err error) { |
|||
//mc.RLock()
|
|||
//defer mc.RUnlock()
|
|||
entry, err = mc.localStore.FindEntry(ctx, fp) |
|||
if err != nil { |
|||
return nil, err |
|||
} |
|||
mc.mapIdFromFilerToLocal(entry) |
|||
return |
|||
} |
|||
|
|||
func (mc *MetaCache) DeleteEntry(ctx context.Context, fp util.FullPath) (err error) { |
|||
//mc.Lock()
|
|||
//defer mc.Unlock()
|
|||
return mc.localStore.DeleteEntry(ctx, fp) |
|||
} |
|||
|
|||
func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) error { |
|||
//mc.RLock()
|
|||
//defer mc.RUnlock()
|
|||
|
|||
if !mc.visitedBoundary.HasVisited(dirPath) { |
|||
// if this request comes after renaming, it should be fine
|
|||
glog.Warningf("unsynchronized dir: %v", dirPath) |
|||
} |
|||
|
|||
_, err := mc.localStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, func(entry *filer.Entry) bool { |
|||
mc.mapIdFromFilerToLocal(entry) |
|||
return eachEntryFunc(entry) |
|||
}) |
|||
if err != nil { |
|||
return err |
|||
} |
|||
return err |
|||
} |
|||
|
|||
func (mc *MetaCache) Shutdown() { |
|||
//mc.Lock()
|
|||
//defer mc.Unlock()
|
|||
mc.localStore.Shutdown() |
|||
} |
|||
|
|||
func (mc *MetaCache) mapIdFromFilerToLocal(entry *filer.Entry) { |
|||
entry.Attr.Uid, entry.Attr.Gid = mc.uidGidMapper.FilerToLocal(entry.Attr.Uid, entry.Attr.Gid) |
|||
} |
|||
|
|||
func (mc *MetaCache) Debug() { |
|||
if debuggable, ok := mc.localStore.(filer.Debuggable); ok { |
|||
println("start debugging") |
|||
debuggable.Debug(os.Stderr) |
|||
} |
|||
} |
|||
@ -1,47 +0,0 @@ |
|||
package meta_cache |
|||
|
|||
import ( |
|||
"context" |
|||
"fmt" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
func EnsureVisited(mc *MetaCache, client filer_pb.FilerClient, dirPath util.FullPath) error { |
|||
|
|||
return mc.visitedBoundary.EnsureVisited(dirPath, func(path util.FullPath) (childDirectories []string, err error) { |
|||
|
|||
glog.V(4).Infof("ReadDirAllEntries %s ...", path) |
|||
|
|||
util.Retry("ReadDirAllEntries", func() error { |
|||
err = filer_pb.ReadDirAllEntries(client, path, "", func(pbEntry *filer_pb.Entry, isLast bool) error { |
|||
entry := filer.FromPbEntry(string(path), pbEntry) |
|||
if IsHiddenSystemEntry(string(path), entry.Name()) { |
|||
return nil |
|||
} |
|||
if err := mc.doInsertEntry(context.Background(), entry); err != nil { |
|||
glog.V(0).Infof("read %s: %v", entry.FullPath, err) |
|||
return err |
|||
} |
|||
if entry.IsDirectory() { |
|||
childDirectories = append(childDirectories, entry.Name()) |
|||
} |
|||
return nil |
|||
}) |
|||
return err |
|||
}) |
|||
|
|||
if err != nil { |
|||
err = fmt.Errorf("list %s: %v", path, err) |
|||
} |
|||
|
|||
return |
|||
}) |
|||
} |
|||
|
|||
func IsHiddenSystemEntry(dir, name string) bool { |
|||
return dir == "/" && (name == "topics" || name == "etc") |
|||
} |
|||
@ -1,68 +0,0 @@ |
|||
package meta_cache |
|||
|
|||
import ( |
|||
"context" |
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/pb" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.FilerClient, dir string, lastTsNs int64) error { |
|||
|
|||
processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error { |
|||
message := resp.EventNotification |
|||
|
|||
for _, sig := range message.Signatures { |
|||
if sig == selfSignature && selfSignature != 0 { |
|||
return nil |
|||
} |
|||
} |
|||
|
|||
dir := resp.Directory |
|||
var oldPath util.FullPath |
|||
var newEntry *filer.Entry |
|||
if message.OldEntry != nil { |
|||
oldPath = util.NewFullPath(dir, message.OldEntry.Name) |
|||
glog.V(4).Infof("deleting %v", oldPath) |
|||
} |
|||
|
|||
if message.NewEntry != nil { |
|||
if message.NewParentPath != "" { |
|||
dir = message.NewParentPath |
|||
} |
|||
key := util.NewFullPath(dir, message.NewEntry.Name) |
|||
glog.V(4).Infof("creating %v", key) |
|||
newEntry = filer.FromPbEntry(dir, message.NewEntry) |
|||
} |
|||
err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry) |
|||
if err == nil { |
|||
if message.OldEntry != nil && message.NewEntry != nil { |
|||
oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name) |
|||
mc.invalidateFunc(oldKey, message.OldEntry) |
|||
if message.OldEntry.Name != message.NewEntry.Name { |
|||
newKey := util.NewFullPath(dir, message.NewEntry.Name) |
|||
mc.invalidateFunc(newKey, message.NewEntry) |
|||
} |
|||
} else if message.OldEntry == nil && message.NewEntry != nil { |
|||
// no need to invaalidate
|
|||
} else if message.OldEntry != nil && message.NewEntry == nil { |
|||
oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name) |
|||
mc.invalidateFunc(oldKey, message.OldEntry) |
|||
} |
|||
} |
|||
|
|||
return err |
|||
|
|||
} |
|||
|
|||
util.RetryForever("followMetaUpdates", func() error { |
|||
return pb.WithFilerClientFollowMetadata(client, "mount", selfSignature, dir, &lastTsNs, selfSignature, processEventFn, true) |
|||
}, func(err error) bool { |
|||
glog.Errorf("follow metadata updates: %v", err) |
|||
return true |
|||
}) |
|||
|
|||
return nil |
|||
} |
|||
@ -1,98 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"github.com/chrislusf/seaweedfs/weed/filesys/page_writer" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
) |
|||
|
|||
type PageWriter struct { |
|||
fh *FileHandle |
|||
collection string |
|||
replication string |
|||
chunkSize int64 |
|||
writerPattern *WriterPattern |
|||
|
|||
randomWriter page_writer.DirtyPages |
|||
} |
|||
|
|||
var ( |
|||
_ = page_writer.DirtyPages(&PageWriter{}) |
|||
) |
|||
|
|||
func newPageWriter(fh *FileHandle, chunkSize int64) *PageWriter { |
|||
pw := &PageWriter{ |
|||
fh: fh, |
|||
chunkSize: chunkSize, |
|||
writerPattern: NewWriterPattern(chunkSize), |
|||
randomWriter: newMemoryChunkPages(fh, chunkSize), |
|||
// randomWriter: newTempFileDirtyPages(fh.f, chunkSize),
|
|||
} |
|||
return pw |
|||
} |
|||
|
|||
func (pw *PageWriter) AddPage(offset int64, data []byte) { |
|||
|
|||
glog.V(4).Infof("%v AddPage [%d, %d) streaming:%v", pw.fh.f.fullpath(), offset, offset+int64(len(data)), pw.writerPattern.IsStreamingMode()) |
|||
|
|||
chunkIndex := offset / pw.chunkSize |
|||
for i := chunkIndex; len(data) > 0; i++ { |
|||
writeSize := min(int64(len(data)), (i+1)*pw.chunkSize-offset) |
|||
pw.addToOneChunk(i, offset, data[:writeSize]) |
|||
offset += writeSize |
|||
data = data[writeSize:] |
|||
} |
|||
} |
|||
|
|||
func (pw *PageWriter) addToOneChunk(chunkIndex, offset int64, data []byte) { |
|||
pw.randomWriter.AddPage(offset, data) |
|||
} |
|||
|
|||
func (pw *PageWriter) FlushData() error { |
|||
pw.writerPattern.Reset() |
|||
return pw.randomWriter.FlushData() |
|||
} |
|||
|
|||
func (pw *PageWriter) ReadDirtyDataAt(data []byte, offset int64) (maxStop int64) { |
|||
glog.V(4).Infof("ReadDirtyDataAt %v [%d, %d)", pw.fh.f.fullpath(), offset, offset+int64(len(data))) |
|||
|
|||
chunkIndex := offset / pw.chunkSize |
|||
for i := chunkIndex; len(data) > 0; i++ { |
|||
readSize := min(int64(len(data)), (i+1)*pw.chunkSize-offset) |
|||
|
|||
maxStop = pw.randomWriter.ReadDirtyDataAt(data[:readSize], offset) |
|||
|
|||
offset += readSize |
|||
data = data[readSize:] |
|||
} |
|||
|
|||
return |
|||
} |
|||
|
|||
func (pw *PageWriter) GetStorageOptions() (collection, replication string) { |
|||
return pw.randomWriter.GetStorageOptions() |
|||
} |
|||
|
|||
func (pw *PageWriter) LockForRead(startOffset, stopOffset int64) { |
|||
pw.randomWriter.LockForRead(startOffset, stopOffset) |
|||
} |
|||
|
|||
func (pw *PageWriter) UnlockForRead(startOffset, stopOffset int64) { |
|||
pw.randomWriter.UnlockForRead(startOffset, stopOffset) |
|||
} |
|||
|
|||
func (pw *PageWriter) Destroy() { |
|||
pw.randomWriter.Destroy() |
|||
} |
|||
|
|||
func max(x, y int64) int64 { |
|||
if x > y { |
|||
return x |
|||
} |
|||
return y |
|||
} |
|||
func min(x, y int64) int64 { |
|||
if x < y { |
|||
return x |
|||
} |
|||
return y |
|||
} |
|||
@ -1,115 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import "math" |
|||
|
|||
// ChunkWrittenInterval mark one written interval within one page chunk
|
|||
type ChunkWrittenInterval struct { |
|||
StartOffset int64 |
|||
stopOffset int64 |
|||
prev *ChunkWrittenInterval |
|||
next *ChunkWrittenInterval |
|||
} |
|||
|
|||
func (interval *ChunkWrittenInterval) Size() int64 { |
|||
return interval.stopOffset - interval.StartOffset |
|||
} |
|||
|
|||
func (interval *ChunkWrittenInterval) isComplete(chunkSize int64) bool { |
|||
return interval.stopOffset-interval.StartOffset == chunkSize |
|||
} |
|||
|
|||
// ChunkWrittenIntervalList mark written intervals within one page chunk
|
|||
type ChunkWrittenIntervalList struct { |
|||
head *ChunkWrittenInterval |
|||
tail *ChunkWrittenInterval |
|||
} |
|||
|
|||
func newChunkWrittenIntervalList() *ChunkWrittenIntervalList { |
|||
list := &ChunkWrittenIntervalList{ |
|||
head: &ChunkWrittenInterval{ |
|||
StartOffset: -1, |
|||
stopOffset: -1, |
|||
}, |
|||
tail: &ChunkWrittenInterval{ |
|||
StartOffset: math.MaxInt64, |
|||
stopOffset: math.MaxInt64, |
|||
}, |
|||
} |
|||
list.head.next = list.tail |
|||
list.tail.prev = list.head |
|||
return list |
|||
} |
|||
|
|||
func (list *ChunkWrittenIntervalList) MarkWritten(startOffset, stopOffset int64) { |
|||
interval := &ChunkWrittenInterval{ |
|||
StartOffset: startOffset, |
|||
stopOffset: stopOffset, |
|||
} |
|||
list.addInterval(interval) |
|||
} |
|||
|
|||
func (list *ChunkWrittenIntervalList) IsComplete(chunkSize int64) bool { |
|||
return list.size() == 1 && list.head.next.isComplete(chunkSize) |
|||
} |
|||
func (list *ChunkWrittenIntervalList) WrittenSize() (writtenByteCount int64) { |
|||
for t := list.head; t != nil; t = t.next { |
|||
writtenByteCount += t.Size() |
|||
} |
|||
return |
|||
} |
|||
|
|||
func (list *ChunkWrittenIntervalList) addInterval(interval *ChunkWrittenInterval) { |
|||
|
|||
p := list.head |
|||
for ; p.next != nil && p.next.StartOffset <= interval.StartOffset; p = p.next { |
|||
} |
|||
q := list.tail |
|||
for ; q.prev != nil && q.prev.stopOffset >= interval.stopOffset; q = q.prev { |
|||
} |
|||
|
|||
if interval.StartOffset <= p.stopOffset && q.StartOffset <= interval.stopOffset { |
|||
// merge p and q together
|
|||
p.stopOffset = q.stopOffset |
|||
unlinkNodesBetween(p, q.next) |
|||
return |
|||
} |
|||
if interval.StartOffset <= p.stopOffset { |
|||
// merge new interval into p
|
|||
p.stopOffset = interval.stopOffset |
|||
unlinkNodesBetween(p, q) |
|||
return |
|||
} |
|||
if q.StartOffset <= interval.stopOffset { |
|||
// merge new interval into q
|
|||
q.StartOffset = interval.StartOffset |
|||
unlinkNodesBetween(p, q) |
|||
return |
|||
} |
|||
|
|||
// add the new interval between p and q
|
|||
unlinkNodesBetween(p, q) |
|||
p.next = interval |
|||
interval.prev = p |
|||
q.prev = interval |
|||
interval.next = q |
|||
|
|||
} |
|||
|
|||
// unlinkNodesBetween remove all nodes after start and before stop, exclusive
|
|||
func unlinkNodesBetween(start *ChunkWrittenInterval, stop *ChunkWrittenInterval) { |
|||
if start.next == stop { |
|||
return |
|||
} |
|||
start.next.prev = nil |
|||
start.next = stop |
|||
stop.prev.next = nil |
|||
stop.prev = start |
|||
} |
|||
|
|||
func (list *ChunkWrittenIntervalList) size() int { |
|||
var count int |
|||
for t := list.head; t != nil; t = t.next { |
|||
count++ |
|||
} |
|||
return count - 2 |
|||
} |
|||
@ -1,49 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"github.com/stretchr/testify/assert" |
|||
"testing" |
|||
) |
|||
|
|||
func Test_PageChunkWrittenIntervalList(t *testing.T) { |
|||
list := newChunkWrittenIntervalList() |
|||
|
|||
assert.Equal(t, 0, list.size(), "empty list") |
|||
|
|||
list.MarkWritten(0, 5) |
|||
assert.Equal(t, 1, list.size(), "one interval") |
|||
|
|||
list.MarkWritten(0, 5) |
|||
assert.Equal(t, 1, list.size(), "duplicated interval2") |
|||
|
|||
list.MarkWritten(95, 100) |
|||
assert.Equal(t, 2, list.size(), "two intervals") |
|||
|
|||
list.MarkWritten(50, 60) |
|||
assert.Equal(t, 3, list.size(), "three intervals") |
|||
|
|||
list.MarkWritten(50, 55) |
|||
assert.Equal(t, 3, list.size(), "three intervals merge") |
|||
|
|||
list.MarkWritten(40, 50) |
|||
assert.Equal(t, 3, list.size(), "three intervals grow forward") |
|||
|
|||
list.MarkWritten(50, 65) |
|||
assert.Equal(t, 3, list.size(), "three intervals grow backward") |
|||
|
|||
list.MarkWritten(70, 80) |
|||
assert.Equal(t, 4, list.size(), "four intervals") |
|||
|
|||
list.MarkWritten(60, 70) |
|||
assert.Equal(t, 3, list.size(), "three intervals merged") |
|||
|
|||
list.MarkWritten(59, 71) |
|||
assert.Equal(t, 3, list.size(), "covered three intervals") |
|||
|
|||
list.MarkWritten(5, 59) |
|||
assert.Equal(t, 2, list.size(), "covered two intervals") |
|||
|
|||
list.MarkWritten(70, 99) |
|||
assert.Equal(t, 1, list.size(), "covered one intervals") |
|||
|
|||
} |
|||
@ -1,30 +0,0 @@ |
|||
package page_writer |
|||
|
|||
type DirtyPages interface { |
|||
AddPage(offset int64, data []byte) |
|||
FlushData() error |
|||
ReadDirtyDataAt(data []byte, startOffset int64) (maxStop int64) |
|||
GetStorageOptions() (collection, replication string) |
|||
Destroy() |
|||
LockForRead(startOffset, stopOffset int64) |
|||
UnlockForRead(startOffset, stopOffset int64) |
|||
} |
|||
|
|||
func max(x, y int64) int64 { |
|||
if x > y { |
|||
return x |
|||
} |
|||
return y |
|||
} |
|||
func min(x, y int64) int64 { |
|||
if x < y { |
|||
return x |
|||
} |
|||
return y |
|||
} |
|||
func minInt(x, y int) int { |
|||
if x < y { |
|||
return x |
|||
} |
|||
return y |
|||
} |
|||
@ -1,16 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"io" |
|||
) |
|||
|
|||
type SaveToStorageFunc func(reader io.Reader, offset int64, size int64, cleanupFn func()) |
|||
|
|||
type PageChunk interface { |
|||
FreeResource() |
|||
WriteDataAt(src []byte, offset int64) (n int) |
|||
ReadDataAt(p []byte, off int64) (maxStop int64) |
|||
IsComplete() bool |
|||
WrittenSize() int64 |
|||
SaveContent(saveFn SaveToStorageFunc) |
|||
} |
|||
@ -1,69 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"github.com/chrislusf/seaweedfs/weed/util/mem" |
|||
) |
|||
|
|||
var ( |
|||
_ = PageChunk(&MemChunk{}) |
|||
) |
|||
|
|||
type MemChunk struct { |
|||
buf []byte |
|||
usage *ChunkWrittenIntervalList |
|||
chunkSize int64 |
|||
logicChunkIndex LogicChunkIndex |
|||
} |
|||
|
|||
func NewMemChunk(logicChunkIndex LogicChunkIndex, chunkSize int64) *MemChunk { |
|||
return &MemChunk{ |
|||
logicChunkIndex: logicChunkIndex, |
|||
chunkSize: chunkSize, |
|||
buf: mem.Allocate(int(chunkSize)), |
|||
usage: newChunkWrittenIntervalList(), |
|||
} |
|||
} |
|||
|
|||
func (mc *MemChunk) FreeResource() { |
|||
mem.Free(mc.buf) |
|||
} |
|||
|
|||
func (mc *MemChunk) WriteDataAt(src []byte, offset int64) (n int) { |
|||
innerOffset := offset % mc.chunkSize |
|||
n = copy(mc.buf[innerOffset:], src) |
|||
mc.usage.MarkWritten(innerOffset, innerOffset+int64(n)) |
|||
return |
|||
} |
|||
|
|||
func (mc *MemChunk) ReadDataAt(p []byte, off int64) (maxStop int64) { |
|||
memChunkBaseOffset := int64(mc.logicChunkIndex) * mc.chunkSize |
|||
for t := mc.usage.head.next; t != mc.usage.tail; t = t.next { |
|||
logicStart := max(off, int64(mc.logicChunkIndex)*mc.chunkSize+t.StartOffset) |
|||
logicStop := min(off+int64(len(p)), memChunkBaseOffset+t.stopOffset) |
|||
if logicStart < logicStop { |
|||
copy(p[logicStart-off:logicStop-off], mc.buf[logicStart-memChunkBaseOffset:logicStop-memChunkBaseOffset]) |
|||
maxStop = max(maxStop, logicStop) |
|||
} |
|||
} |
|||
return |
|||
} |
|||
|
|||
func (mc *MemChunk) IsComplete() bool { |
|||
return mc.usage.IsComplete(mc.chunkSize) |
|||
} |
|||
|
|||
func (mc *MemChunk) WrittenSize() int64 { |
|||
return mc.usage.WrittenSize() |
|||
} |
|||
|
|||
func (mc *MemChunk) SaveContent(saveFn SaveToStorageFunc) { |
|||
if saveFn == nil { |
|||
return |
|||
} |
|||
for t := mc.usage.head.next; t != mc.usage.tail; t = t.next { |
|||
reader := util.NewBytesReader(mc.buf[t.StartOffset:t.stopOffset]) |
|||
saveFn(reader, int64(mc.logicChunkIndex)*mc.chunkSize+t.StartOffset, t.Size(), func() { |
|||
}) |
|||
} |
|||
} |
|||
@ -1,121 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"github.com/chrislusf/seaweedfs/weed/util/mem" |
|||
"os" |
|||
) |
|||
|
|||
var ( |
|||
_ = PageChunk(&SwapFileChunk{}) |
|||
) |
|||
|
|||
type ActualChunkIndex int |
|||
|
|||
type SwapFile struct { |
|||
dir string |
|||
file *os.File |
|||
logicToActualChunkIndex map[LogicChunkIndex]ActualChunkIndex |
|||
chunkSize int64 |
|||
} |
|||
|
|||
type SwapFileChunk struct { |
|||
swapfile *SwapFile |
|||
usage *ChunkWrittenIntervalList |
|||
logicChunkIndex LogicChunkIndex |
|||
actualChunkIndex ActualChunkIndex |
|||
} |
|||
|
|||
func NewSwapFile(dir string, chunkSize int64) *SwapFile { |
|||
return &SwapFile{ |
|||
dir: dir, |
|||
file: nil, |
|||
logicToActualChunkIndex: make(map[LogicChunkIndex]ActualChunkIndex), |
|||
chunkSize: chunkSize, |
|||
} |
|||
} |
|||
func (sf *SwapFile) FreeResource() { |
|||
if sf.file != nil { |
|||
sf.file.Close() |
|||
os.Remove(sf.file.Name()) |
|||
} |
|||
} |
|||
|
|||
func (sf *SwapFile) NewTempFileChunk(logicChunkIndex LogicChunkIndex) (tc *SwapFileChunk) { |
|||
if sf.file == nil { |
|||
var err error |
|||
sf.file, err = os.CreateTemp(sf.dir, "") |
|||
if err != nil { |
|||
glog.Errorf("create swap file: %v", err) |
|||
return nil |
|||
} |
|||
} |
|||
actualChunkIndex, found := sf.logicToActualChunkIndex[logicChunkIndex] |
|||
if !found { |
|||
actualChunkIndex = ActualChunkIndex(len(sf.logicToActualChunkIndex)) |
|||
sf.logicToActualChunkIndex[logicChunkIndex] = actualChunkIndex |
|||
} |
|||
|
|||
return &SwapFileChunk{ |
|||
swapfile: sf, |
|||
usage: newChunkWrittenIntervalList(), |
|||
logicChunkIndex: logicChunkIndex, |
|||
actualChunkIndex: actualChunkIndex, |
|||
} |
|||
} |
|||
|
|||
func (sc *SwapFileChunk) FreeResource() { |
|||
} |
|||
|
|||
func (sc *SwapFileChunk) WriteDataAt(src []byte, offset int64) (n int) { |
|||
innerOffset := offset % sc.swapfile.chunkSize |
|||
var err error |
|||
n, err = sc.swapfile.file.WriteAt(src, int64(sc.actualChunkIndex)*sc.swapfile.chunkSize+innerOffset) |
|||
if err == nil { |
|||
sc.usage.MarkWritten(innerOffset, innerOffset+int64(n)) |
|||
} else { |
|||
glog.Errorf("failed to write swap file %s: %v", sc.swapfile.file.Name(), err) |
|||
} |
|||
return |
|||
} |
|||
|
|||
func (sc *SwapFileChunk) ReadDataAt(p []byte, off int64) (maxStop int64) { |
|||
chunkStartOffset := int64(sc.logicChunkIndex) * sc.swapfile.chunkSize |
|||
for t := sc.usage.head.next; t != sc.usage.tail; t = t.next { |
|||
logicStart := max(off, chunkStartOffset+t.StartOffset) |
|||
logicStop := min(off+int64(len(p)), chunkStartOffset+t.stopOffset) |
|||
if logicStart < logicStop { |
|||
actualStart := logicStart - chunkStartOffset + int64(sc.actualChunkIndex)*sc.swapfile.chunkSize |
|||
if _, err := sc.swapfile.file.ReadAt(p[logicStart-off:logicStop-off], actualStart); err != nil { |
|||
glog.Errorf("failed to reading swap file %s: %v", sc.swapfile.file.Name(), err) |
|||
break |
|||
} |
|||
maxStop = max(maxStop, logicStop) |
|||
} |
|||
} |
|||
return |
|||
} |
|||
|
|||
func (sc *SwapFileChunk) IsComplete() bool { |
|||
return sc.usage.IsComplete(sc.swapfile.chunkSize) |
|||
} |
|||
|
|||
func (sc *SwapFileChunk) WrittenSize() int64 { |
|||
return sc.usage.WrittenSize() |
|||
} |
|||
|
|||
func (sc *SwapFileChunk) SaveContent(saveFn SaveToStorageFunc) { |
|||
if saveFn == nil { |
|||
return |
|||
} |
|||
for t := sc.usage.head.next; t != sc.usage.tail; t = t.next { |
|||
data := mem.Allocate(int(t.Size())) |
|||
sc.swapfile.file.ReadAt(data, t.StartOffset+int64(sc.actualChunkIndex)*sc.swapfile.chunkSize) |
|||
reader := util.NewBytesReader(data) |
|||
saveFn(reader, int64(sc.logicChunkIndex)*sc.swapfile.chunkSize+t.StartOffset, t.Size(), func() { |
|||
}) |
|||
mem.Free(data) |
|||
} |
|||
sc.usage = newChunkWrittenIntervalList() |
|||
} |
|||
@ -1,182 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"fmt" |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"sync" |
|||
"sync/atomic" |
|||
"time" |
|||
) |
|||
|
|||
type LogicChunkIndex int |
|||
|
|||
type UploadPipeline struct { |
|||
filepath util.FullPath |
|||
ChunkSize int64 |
|||
writableChunks map[LogicChunkIndex]PageChunk |
|||
writableChunksLock sync.Mutex |
|||
sealedChunks map[LogicChunkIndex]*SealedChunk |
|||
sealedChunksLock sync.Mutex |
|||
uploaders *util.LimitedConcurrentExecutor |
|||
uploaderCount int32 |
|||
uploaderCountCond *sync.Cond |
|||
saveToStorageFn SaveToStorageFunc |
|||
activeReadChunks map[LogicChunkIndex]int |
|||
activeReadChunksLock sync.Mutex |
|||
bufferChunkLimit int |
|||
} |
|||
|
|||
type SealedChunk struct { |
|||
chunk PageChunk |
|||
referenceCounter int // track uploading or reading processes
|
|||
} |
|||
|
|||
func (sc *SealedChunk) FreeReference(messageOnFree string) { |
|||
sc.referenceCounter-- |
|||
if sc.referenceCounter == 0 { |
|||
glog.V(4).Infof("Free sealed chunk: %s", messageOnFree) |
|||
sc.chunk.FreeResource() |
|||
} |
|||
} |
|||
|
|||
func NewUploadPipeline(writers *util.LimitedConcurrentExecutor, chunkSize int64, saveToStorageFn SaveToStorageFunc, bufferChunkLimit int) *UploadPipeline { |
|||
return &UploadPipeline{ |
|||
ChunkSize: chunkSize, |
|||
writableChunks: make(map[LogicChunkIndex]PageChunk), |
|||
sealedChunks: make(map[LogicChunkIndex]*SealedChunk), |
|||
uploaders: writers, |
|||
uploaderCountCond: sync.NewCond(&sync.Mutex{}), |
|||
saveToStorageFn: saveToStorageFn, |
|||
activeReadChunks: make(map[LogicChunkIndex]int), |
|||
bufferChunkLimit: bufferChunkLimit, |
|||
} |
|||
} |
|||
|
|||
func (up *UploadPipeline) SaveDataAt(p []byte, off int64) (n int) { |
|||
up.writableChunksLock.Lock() |
|||
defer up.writableChunksLock.Unlock() |
|||
|
|||
logicChunkIndex := LogicChunkIndex(off / up.ChunkSize) |
|||
|
|||
memChunk, found := up.writableChunks[logicChunkIndex] |
|||
if !found { |
|||
if len(up.writableChunks) < up.bufferChunkLimit { |
|||
memChunk = NewMemChunk(logicChunkIndex, up.ChunkSize) |
|||
} else { |
|||
fullestChunkIndex, fullness := LogicChunkIndex(-1), int64(0) |
|||
for lci, mc := range up.writableChunks { |
|||
chunkFullness := mc.WrittenSize() |
|||
if fullness < chunkFullness { |
|||
fullestChunkIndex = lci |
|||
fullness = chunkFullness |
|||
} |
|||
} |
|||
up.moveToSealed(up.writableChunks[fullestChunkIndex], fullestChunkIndex) |
|||
delete(up.writableChunks, fullestChunkIndex) |
|||
fmt.Printf("flush chunk %d with %d bytes written", logicChunkIndex, fullness) |
|||
memChunk = NewMemChunk(logicChunkIndex, up.ChunkSize) |
|||
} |
|||
up.writableChunks[logicChunkIndex] = memChunk |
|||
} |
|||
n = memChunk.WriteDataAt(p, off) |
|||
up.maybeMoveToSealed(memChunk, logicChunkIndex) |
|||
|
|||
return |
|||
} |
|||
|
|||
func (up *UploadPipeline) MaybeReadDataAt(p []byte, off int64) (maxStop int64) { |
|||
logicChunkIndex := LogicChunkIndex(off / up.ChunkSize) |
|||
|
|||
// read from sealed chunks first
|
|||
up.sealedChunksLock.Lock() |
|||
sealedChunk, found := up.sealedChunks[logicChunkIndex] |
|||
if found { |
|||
sealedChunk.referenceCounter++ |
|||
} |
|||
up.sealedChunksLock.Unlock() |
|||
if found { |
|||
maxStop = sealedChunk.chunk.ReadDataAt(p, off) |
|||
glog.V(4).Infof("%s read sealed memchunk [%d,%d)", up.filepath, off, maxStop) |
|||
sealedChunk.FreeReference(fmt.Sprintf("%s finish reading chunk %d", up.filepath, logicChunkIndex)) |
|||
} |
|||
|
|||
// read from writable chunks last
|
|||
up.writableChunksLock.Lock() |
|||
defer up.writableChunksLock.Unlock() |
|||
writableChunk, found := up.writableChunks[logicChunkIndex] |
|||
if !found { |
|||
return |
|||
} |
|||
writableMaxStop := writableChunk.ReadDataAt(p, off) |
|||
glog.V(4).Infof("%s read writable memchunk [%d,%d)", up.filepath, off, writableMaxStop) |
|||
maxStop = max(maxStop, writableMaxStop) |
|||
|
|||
return |
|||
} |
|||
|
|||
func (up *UploadPipeline) FlushAll() { |
|||
up.writableChunksLock.Lock() |
|||
defer up.writableChunksLock.Unlock() |
|||
|
|||
for logicChunkIndex, memChunk := range up.writableChunks { |
|||
up.moveToSealed(memChunk, logicChunkIndex) |
|||
} |
|||
|
|||
up.waitForCurrentWritersToComplete() |
|||
} |
|||
|
|||
func (up *UploadPipeline) maybeMoveToSealed(memChunk PageChunk, logicChunkIndex LogicChunkIndex) { |
|||
if memChunk.IsComplete() { |
|||
up.moveToSealed(memChunk, logicChunkIndex) |
|||
} |
|||
} |
|||
|
|||
func (up *UploadPipeline) moveToSealed(memChunk PageChunk, logicChunkIndex LogicChunkIndex) { |
|||
atomic.AddInt32(&up.uploaderCount, 1) |
|||
glog.V(4).Infof("%s uploaderCount %d ++> %d", up.filepath, up.uploaderCount-1, up.uploaderCount) |
|||
|
|||
up.sealedChunksLock.Lock() |
|||
|
|||
if oldMemChunk, found := up.sealedChunks[logicChunkIndex]; found { |
|||
oldMemChunk.FreeReference(fmt.Sprintf("%s replace chunk %d", up.filepath, logicChunkIndex)) |
|||
} |
|||
sealedChunk := &SealedChunk{ |
|||
chunk: memChunk, |
|||
referenceCounter: 1, // default 1 is for uploading process
|
|||
} |
|||
up.sealedChunks[logicChunkIndex] = sealedChunk |
|||
delete(up.writableChunks, logicChunkIndex) |
|||
|
|||
up.sealedChunksLock.Unlock() |
|||
|
|||
up.uploaders.Execute(func() { |
|||
// first add to the file chunks
|
|||
sealedChunk.chunk.SaveContent(up.saveToStorageFn) |
|||
|
|||
// notify waiting process
|
|||
atomic.AddInt32(&up.uploaderCount, -1) |
|||
glog.V(4).Infof("%s uploaderCount %d --> %d", up.filepath, up.uploaderCount+1, up.uploaderCount) |
|||
// Lock and Unlock are not required,
|
|||
// but it may signal multiple times during one wakeup,
|
|||
// and the waiting goroutine may miss some of them!
|
|||
up.uploaderCountCond.L.Lock() |
|||
up.uploaderCountCond.Broadcast() |
|||
up.uploaderCountCond.L.Unlock() |
|||
|
|||
// wait for readers
|
|||
for up.IsLocked(logicChunkIndex) { |
|||
time.Sleep(59 * time.Millisecond) |
|||
} |
|||
|
|||
// then remove from sealed chunks
|
|||
up.sealedChunksLock.Lock() |
|||
defer up.sealedChunksLock.Unlock() |
|||
delete(up.sealedChunks, logicChunkIndex) |
|||
sealedChunk.FreeReference(fmt.Sprintf("%s finished uploading chunk %d", up.filepath, logicChunkIndex)) |
|||
|
|||
}) |
|||
} |
|||
|
|||
func (up *UploadPipeline) Shutdown() { |
|||
} |
|||
@ -1,63 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"sync/atomic" |
|||
) |
|||
|
|||
func (up *UploadPipeline) LockForRead(startOffset, stopOffset int64) { |
|||
startLogicChunkIndex := LogicChunkIndex(startOffset / up.ChunkSize) |
|||
stopLogicChunkIndex := LogicChunkIndex(stopOffset / up.ChunkSize) |
|||
if stopOffset%up.ChunkSize > 0 { |
|||
stopLogicChunkIndex += 1 |
|||
} |
|||
up.activeReadChunksLock.Lock() |
|||
defer up.activeReadChunksLock.Unlock() |
|||
for i := startLogicChunkIndex; i < stopLogicChunkIndex; i++ { |
|||
if count, found := up.activeReadChunks[i]; found { |
|||
up.activeReadChunks[i] = count + 1 |
|||
} else { |
|||
up.activeReadChunks[i] = 1 |
|||
} |
|||
} |
|||
} |
|||
|
|||
func (up *UploadPipeline) UnlockForRead(startOffset, stopOffset int64) { |
|||
startLogicChunkIndex := LogicChunkIndex(startOffset / up.ChunkSize) |
|||
stopLogicChunkIndex := LogicChunkIndex(stopOffset / up.ChunkSize) |
|||
if stopOffset%up.ChunkSize > 0 { |
|||
stopLogicChunkIndex += 1 |
|||
} |
|||
up.activeReadChunksLock.Lock() |
|||
defer up.activeReadChunksLock.Unlock() |
|||
for i := startLogicChunkIndex; i < stopLogicChunkIndex; i++ { |
|||
if count, found := up.activeReadChunks[i]; found { |
|||
if count == 1 { |
|||
delete(up.activeReadChunks, i) |
|||
} else { |
|||
up.activeReadChunks[i] = count - 1 |
|||
} |
|||
} |
|||
} |
|||
} |
|||
|
|||
func (up *UploadPipeline) IsLocked(logicChunkIndex LogicChunkIndex) bool { |
|||
up.activeReadChunksLock.Lock() |
|||
defer up.activeReadChunksLock.Unlock() |
|||
if count, found := up.activeReadChunks[logicChunkIndex]; found { |
|||
return count > 0 |
|||
} |
|||
return false |
|||
} |
|||
|
|||
func (up *UploadPipeline) waitForCurrentWritersToComplete() { |
|||
up.uploaderCountCond.L.Lock() |
|||
t := int32(100) |
|||
for { |
|||
t = atomic.LoadInt32(&up.uploaderCount) |
|||
if t <= 0 { |
|||
break |
|||
} |
|||
up.uploaderCountCond.Wait() |
|||
} |
|||
up.uploaderCountCond.L.Unlock() |
|||
} |
|||
@ -1,47 +0,0 @@ |
|||
package page_writer |
|||
|
|||
import ( |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"testing" |
|||
) |
|||
|
|||
func TestUploadPipeline(t *testing.T) { |
|||
|
|||
uploadPipeline := NewUploadPipeline(nil, 2*1024*1024, nil, 16) |
|||
|
|||
writeRange(uploadPipeline, 0, 131072) |
|||
writeRange(uploadPipeline, 131072, 262144) |
|||
writeRange(uploadPipeline, 262144, 1025536) |
|||
|
|||
confirmRange(t, uploadPipeline, 0, 1025536) |
|||
|
|||
writeRange(uploadPipeline, 1025536, 1296896) |
|||
|
|||
confirmRange(t, uploadPipeline, 1025536, 1296896) |
|||
|
|||
writeRange(uploadPipeline, 1296896, 2162688) |
|||
|
|||
confirmRange(t, uploadPipeline, 1296896, 2162688) |
|||
|
|||
confirmRange(t, uploadPipeline, 1296896, 2162688) |
|||
} |
|||
|
|||
// startOff and stopOff must be divided by 4
|
|||
func writeRange(uploadPipeline *UploadPipeline, startOff, stopOff int64) { |
|||
p := make([]byte, 4) |
|||
for i := startOff / 4; i < stopOff/4; i += 4 { |
|||
util.Uint32toBytes(p, uint32(i)) |
|||
uploadPipeline.SaveDataAt(p, i) |
|||
} |
|||
} |
|||
|
|||
func confirmRange(t *testing.T, uploadPipeline *UploadPipeline, startOff, stopOff int64) { |
|||
p := make([]byte, 4) |
|||
for i := startOff; i < stopOff/4; i += 4 { |
|||
uploadPipeline.MaybeReadDataAt(p, i) |
|||
x := util.BytesToUint32(p) |
|||
if x != uint32(i) { |
|||
t.Errorf("expecting %d found %d at offset [%d,%d)", i, x, i, i+4) |
|||
} |
|||
} |
|||
} |
|||
@ -1,44 +0,0 @@ |
|||
package filesys |
|||
|
|||
type WriterPattern struct { |
|||
isStreaming bool |
|||
lastWriteOffset int64 |
|||
chunkSize int64 |
|||
} |
|||
|
|||
// For streaming write: only cache the first chunk
|
|||
// For random write: fall back to temp file approach
|
|||
// writes can only change from streaming mode to non-streaming mode
|
|||
|
|||
func NewWriterPattern(chunkSize int64) *WriterPattern { |
|||
return &WriterPattern{ |
|||
isStreaming: true, |
|||
lastWriteOffset: -1, |
|||
chunkSize: chunkSize, |
|||
} |
|||
} |
|||
|
|||
func (rp *WriterPattern) MonitorWriteAt(offset int64, size int) { |
|||
if rp.lastWriteOffset > offset { |
|||
rp.isStreaming = false |
|||
} |
|||
if rp.lastWriteOffset == -1 { |
|||
if offset != 0 { |
|||
rp.isStreaming = false |
|||
} |
|||
} |
|||
rp.lastWriteOffset = offset |
|||
} |
|||
|
|||
func (rp *WriterPattern) IsStreamingMode() bool { |
|||
return rp.isStreaming |
|||
} |
|||
|
|||
func (rp *WriterPattern) IsRandomMode() bool { |
|||
return !rp.isStreaming |
|||
} |
|||
|
|||
func (rp *WriterPattern) Reset() { |
|||
rp.isStreaming = true |
|||
rp.lastWriteOffset = -1 |
|||
} |
|||
@ -1,63 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/seaweedfs/fuse" |
|||
) |
|||
|
|||
func checkPermission(entry *filer_pb.Entry, uid, gid uint32, isWrite bool) error { |
|||
if uid == 0 || gid == 0 { |
|||
return nil |
|||
} |
|||
if entry == nil { |
|||
return nil |
|||
} |
|||
if entry.Attributes == nil { |
|||
return nil |
|||
} |
|||
attr := entry.Attributes |
|||
if attr.Uid == uid { |
|||
if isWrite { |
|||
if attr.FileMode&0200 > 0 { |
|||
return nil |
|||
} else { |
|||
return fuse.EPERM |
|||
} |
|||
} else { |
|||
if attr.FileMode&0400 > 0 { |
|||
return nil |
|||
} else { |
|||
return fuse.EPERM |
|||
} |
|||
} |
|||
} else if attr.Gid == gid { |
|||
if isWrite { |
|||
if attr.FileMode&0020 > 0 { |
|||
return nil |
|||
} else { |
|||
return fuse.EPERM |
|||
} |
|||
} else { |
|||
if attr.FileMode&0040 > 0 { |
|||
return nil |
|||
} else { |
|||
return fuse.EPERM |
|||
} |
|||
} |
|||
} else { |
|||
if isWrite { |
|||
if attr.FileMode&0002 > 0 { |
|||
return nil |
|||
} else { |
|||
return fuse.EPERM |
|||
} |
|||
} else { |
|||
if attr.FileMode&0004 > 0 { |
|||
return nil |
|||
} else { |
|||
return fuse.EPERM |
|||
} |
|||
} |
|||
} |
|||
|
|||
} |
|||
@ -1,22 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
|
|||
"github.com/seaweedfs/fuse" |
|||
"github.com/seaweedfs/fuse/fs" |
|||
) |
|||
|
|||
// https://github.com/bazil/fuse/issues/130
|
|||
|
|||
var _ = fs.NodeAccesser(&Dir{}) |
|||
|
|||
func (dir *Dir) Access(ctx context.Context, req *fuse.AccessRequest) error { |
|||
return fuse.ENOSYS |
|||
} |
|||
|
|||
var _ = fs.NodeAccesser(&File{}) |
|||
|
|||
func (file *File) Access(ctx context.Context, req *fuse.AccessRequest) error { |
|||
return fuse.ENOSYS |
|||
} |
|||
@ -1,319 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"fmt" |
|||
"github.com/chrislusf/seaweedfs/weed/pb" |
|||
"math" |
|||
"math/rand" |
|||
"os" |
|||
"path" |
|||
"sync" |
|||
"time" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"github.com/chrislusf/seaweedfs/weed/storage/types" |
|||
"github.com/chrislusf/seaweedfs/weed/wdclient" |
|||
|
|||
"google.golang.org/grpc" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/util/grace" |
|||
|
|||
"github.com/seaweedfs/fuse" |
|||
"github.com/seaweedfs/fuse/fs" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache" |
|||
"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" |
|||
) |
|||
|
|||
type Option struct { |
|||
MountDirectory string |
|||
FilerAddresses []pb.ServerAddress |
|||
filerIndex int |
|||
GrpcDialOption grpc.DialOption |
|||
FilerMountRootPath string |
|||
Collection string |
|||
Replication string |
|||
TtlSec int32 |
|||
DiskType types.DiskType |
|||
ChunkSizeLimit int64 |
|||
ConcurrentWriters int |
|||
CacheDir string |
|||
CacheSizeMB int64 |
|||
DataCenter string |
|||
Umask os.FileMode |
|||
|
|||
MountUid uint32 |
|||
MountGid uint32 |
|||
MountMode os.FileMode |
|||
MountCtime time.Time |
|||
MountMtime time.Time |
|||
MountParentInode uint64 |
|||
|
|||
VolumeServerAccess string // how to access volume servers
|
|||
Cipher bool // whether encrypt data on volume server
|
|||
UidGidMapper *meta_cache.UidGidMapper |
|||
|
|||
uniqueCacheDir string |
|||
} |
|||
|
|||
var _ = fs.FS(&WFS{}) |
|||
var _ = fs.FSStatfser(&WFS{}) |
|||
|
|||
type WFS struct { |
|||
option *Option |
|||
|
|||
// contains all open handles, protected by handlesLock
|
|||
handlesLock sync.Mutex |
|||
handles map[uint64]*FileHandle |
|||
|
|||
bufPool sync.Pool |
|||
|
|||
stats statsCache |
|||
|
|||
root fs.Node |
|||
fsNodeCache *FsCache |
|||
|
|||
chunkCache *chunk_cache.TieredChunkCache |
|||
metaCache *meta_cache.MetaCache |
|||
signature int32 |
|||
|
|||
// throttle writers
|
|||
concurrentWriters *util.LimitedConcurrentExecutor |
|||
Server *fs.Server |
|||
} |
|||
type statsCache struct { |
|||
filer_pb.StatisticsResponse |
|||
lastChecked int64 // unix time in seconds
|
|||
} |
|||
|
|||
func NewSeaweedFileSystem(option *Option) *WFS { |
|||
wfs := &WFS{ |
|||
option: option, |
|||
handles: make(map[uint64]*FileHandle), |
|||
bufPool: sync.Pool{ |
|||
New: func() interface{} { |
|||
return make([]byte, option.ChunkSizeLimit) |
|||
}, |
|||
}, |
|||
signature: util.RandomInt32(), |
|||
} |
|||
wfs.option.filerIndex = rand.Intn(len(option.FilerAddresses)) |
|||
wfs.option.setupUniqueCacheDirectory() |
|||
if option.CacheSizeMB > 0 { |
|||
wfs.chunkCache = chunk_cache.NewTieredChunkCache(256, option.getUniqueCacheDir(), option.CacheSizeMB, 1024*1024) |
|||
} |
|||
|
|||
wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.getUniqueCacheDir(), "meta"), util.FullPath(option.FilerMountRootPath), option.UidGidMapper, func(filePath util.FullPath, entry *filer_pb.Entry) { |
|||
|
|||
fsNode := NodeWithId(filePath.AsInode(entry.FileMode())) |
|||
if err := wfs.Server.InvalidateNodeData(fsNode); err != nil { |
|||
glog.V(4).Infof("InvalidateNodeData %s : %v", filePath, err) |
|||
} |
|||
|
|||
dir, name := filePath.DirAndName() |
|||
parent := NodeWithId(util.FullPath(dir).AsInode(os.ModeDir)) |
|||
if dir == option.FilerMountRootPath { |
|||
parent = NodeWithId(1) |
|||
} |
|||
if err := wfs.Server.InvalidateEntry(parent, name); err != nil { |
|||
glog.V(4).Infof("InvalidateEntry %s : %v", filePath, err) |
|||
} |
|||
}) |
|||
grace.OnInterrupt(func() { |
|||
wfs.metaCache.Shutdown() |
|||
os.RemoveAll(option.getUniqueCacheDir()) |
|||
}) |
|||
|
|||
wfs.root = &Dir{name: wfs.option.FilerMountRootPath, wfs: wfs, id: 1} |
|||
wfs.fsNodeCache = newFsCache(wfs.root) |
|||
|
|||
if wfs.option.ConcurrentWriters > 0 { |
|||
wfs.concurrentWriters = util.NewLimitedConcurrentExecutor(wfs.option.ConcurrentWriters) |
|||
} |
|||
|
|||
return wfs |
|||
} |
|||
|
|||
func (wfs *WFS) StartBackgroundTasks() { |
|||
startTime := time.Now() |
|||
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs.signature, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano()) |
|||
} |
|||
|
|||
func (wfs *WFS) Root() (fs.Node, error) { |
|||
return wfs.root, nil |
|||
} |
|||
|
|||
func (wfs *WFS) AcquireHandle(file *File, uid, gid uint32) (fileHandle *FileHandle) { |
|||
|
|||
fullpath := file.fullpath() |
|||
glog.V(4).Infof("AcquireHandle %s uid=%d gid=%d", fullpath, uid, gid) |
|||
|
|||
inodeId := file.Id() |
|||
|
|||
wfs.handlesLock.Lock() |
|||
existingHandle, found := wfs.handles[inodeId] |
|||
if found && existingHandle != nil && existingHandle.f.isOpen > 0 { |
|||
existingHandle.f.isOpen++ |
|||
wfs.handlesLock.Unlock() |
|||
glog.V(4).Infof("Reuse AcquiredHandle %s open %d", fullpath, existingHandle.f.isOpen) |
|||
return existingHandle |
|||
} |
|||
wfs.handlesLock.Unlock() |
|||
|
|||
entry, _ := file.maybeLoadEntry(context.Background()) |
|||
file.entry = entry |
|||
fileHandle = newFileHandle(file, uid, gid) |
|||
|
|||
wfs.handlesLock.Lock() |
|||
file.isOpen++ |
|||
wfs.handles[inodeId] = fileHandle |
|||
wfs.handlesLock.Unlock() |
|||
fileHandle.handle = inodeId |
|||
|
|||
glog.V(4).Infof("Acquired new Handle %s open %d", fullpath, file.isOpen) |
|||
return |
|||
} |
|||
|
|||
func (wfs *WFS) Fsync(file *File, header fuse.Header) error { |
|||
|
|||
inodeId := file.Id() |
|||
|
|||
wfs.handlesLock.Lock() |
|||
existingHandle, found := wfs.handles[inodeId] |
|||
wfs.handlesLock.Unlock() |
|||
|
|||
if found && existingHandle != nil { |
|||
|
|||
existingHandle.Lock() |
|||
defer existingHandle.Unlock() |
|||
|
|||
if existingHandle.f.isOpen > 0 { |
|||
return existingHandle.doFlush(context.Background(), header) |
|||
} |
|||
|
|||
} |
|||
|
|||
return nil |
|||
} |
|||
|
|||
func (wfs *WFS) ReleaseHandle(fullpath util.FullPath, handleId fuse.HandleID) { |
|||
wfs.handlesLock.Lock() |
|||
defer wfs.handlesLock.Unlock() |
|||
|
|||
glog.V(4).Infof("ReleaseHandle %s id %d current handles length %d", fullpath, handleId, len(wfs.handles)) |
|||
|
|||
delete(wfs.handles, uint64(handleId)) |
|||
|
|||
return |
|||
} |
|||
|
|||
// Statfs is called to obtain file system metadata. Implements fuse.FSStatfser
|
|||
func (wfs *WFS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.StatfsResponse) error { |
|||
|
|||
glog.V(4).Infof("reading fs stats: %+v", req) |
|||
|
|||
if wfs.stats.lastChecked < time.Now().Unix()-20 { |
|||
|
|||
err := wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
|
|||
request := &filer_pb.StatisticsRequest{ |
|||
Collection: wfs.option.Collection, |
|||
Replication: wfs.option.Replication, |
|||
Ttl: fmt.Sprintf("%ds", wfs.option.TtlSec), |
|||
DiskType: string(wfs.option.DiskType), |
|||
} |
|||
|
|||
glog.V(4).Infof("reading filer stats: %+v", request) |
|||
resp, err := client.Statistics(context.Background(), request) |
|||
if err != nil { |
|||
glog.V(0).Infof("reading filer stats %v: %v", request, err) |
|||
return err |
|||
} |
|||
glog.V(4).Infof("read filer stats: %+v", resp) |
|||
|
|||
wfs.stats.TotalSize = resp.TotalSize |
|||
wfs.stats.UsedSize = resp.UsedSize |
|||
wfs.stats.FileCount = resp.FileCount |
|||
wfs.stats.lastChecked = time.Now().Unix() |
|||
|
|||
return nil |
|||
}) |
|||
if err != nil { |
|||
glog.V(0).Infof("filer Statistics: %v", err) |
|||
return err |
|||
} |
|||
} |
|||
|
|||
totalDiskSize := wfs.stats.TotalSize |
|||
usedDiskSize := wfs.stats.UsedSize |
|||
actualFileCount := wfs.stats.FileCount |
|||
|
|||
// Compute the total number of available blocks
|
|||
resp.Blocks = totalDiskSize / blockSize |
|||
|
|||
// Compute the number of used blocks
|
|||
numBlocks := uint64(usedDiskSize / blockSize) |
|||
|
|||
// Report the number of free and available blocks for the block size
|
|||
resp.Bfree = resp.Blocks - numBlocks |
|||
resp.Bavail = resp.Blocks - numBlocks |
|||
resp.Bsize = uint32(blockSize) |
|||
|
|||
// Report the total number of possible files in the file system (and those free)
|
|||
resp.Files = math.MaxInt64 |
|||
resp.Ffree = math.MaxInt64 - actualFileCount |
|||
|
|||
// Report the maximum length of a name and the minimum fragment size
|
|||
resp.Namelen = 1024 |
|||
resp.Frsize = uint32(blockSize) |
|||
|
|||
return nil |
|||
} |
|||
|
|||
func (wfs *WFS) mapPbIdFromFilerToLocal(entry *filer_pb.Entry) { |
|||
if entry.Attributes == nil { |
|||
return |
|||
} |
|||
entry.Attributes.Uid, entry.Attributes.Gid = wfs.option.UidGidMapper.FilerToLocal(entry.Attributes.Uid, entry.Attributes.Gid) |
|||
} |
|||
func (wfs *WFS) mapPbIdFromLocalToFiler(entry *filer_pb.Entry) { |
|||
if entry.Attributes == nil { |
|||
return |
|||
} |
|||
entry.Attributes.Uid, entry.Attributes.Gid = wfs.option.UidGidMapper.LocalToFiler(entry.Attributes.Uid, entry.Attributes.Gid) |
|||
} |
|||
|
|||
func (wfs *WFS) LookupFn() wdclient.LookupFileIdFunctionType { |
|||
if wfs.option.VolumeServerAccess == "filerProxy" { |
|||
return func(fileId string) (targetUrls []string, err error) { |
|||
return []string{"http://" + wfs.getCurrentFiler().ToHttpAddress() + "/?proxyChunkId=" + fileId}, nil |
|||
} |
|||
} |
|||
return filer.LookupFn(wfs) |
|||
} |
|||
func (wfs *WFS) getCurrentFiler() pb.ServerAddress { |
|||
return wfs.option.FilerAddresses[wfs.option.filerIndex] |
|||
} |
|||
|
|||
func (option *Option) setupUniqueCacheDirectory() { |
|||
cacheUniqueId := util.Md5String([]byte(option.MountDirectory + string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8] |
|||
option.uniqueCacheDir = path.Join(option.CacheDir, cacheUniqueId) |
|||
os.MkdirAll(option.uniqueCacheDir, os.FileMode(0777)&^option.Umask) |
|||
} |
|||
|
|||
func (option *Option) getUniqueCacheDir() string { |
|||
return option.uniqueCacheDir |
|||
} |
|||
|
|||
type NodeWithId uint64 |
|||
|
|||
func (n NodeWithId) Id() uint64 { |
|||
return uint64(n) |
|||
} |
|||
func (n NodeWithId) Attr(ctx context.Context, attr *fuse.Attr) error { |
|||
return nil |
|||
} |
|||
@ -1,51 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"github.com/chrislusf/seaweedfs/weed/glog" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
"google.golang.org/grpc" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/pb" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
) |
|||
|
|||
var _ = filer_pb.FilerClient(&WFS{}) |
|||
|
|||
func (wfs *WFS) WithFilerClient(streamingMode bool, fn func(filer_pb.SeaweedFilerClient) error) (err error) { |
|||
|
|||
return util.Retry("filer grpc", func() error { |
|||
|
|||
i := wfs.option.filerIndex |
|||
n := len(wfs.option.FilerAddresses) |
|||
for x := 0; x < n; x++ { |
|||
|
|||
filerGrpcAddress := wfs.option.FilerAddresses[i].ToGrpcAddress() |
|||
err = pb.WithGrpcClient(streamingMode, func(grpcConnection *grpc.ClientConn) error { |
|||
client := filer_pb.NewSeaweedFilerClient(grpcConnection) |
|||
return fn(client) |
|||
}, filerGrpcAddress, wfs.option.GrpcDialOption) |
|||
|
|||
if err != nil { |
|||
glog.V(0).Infof("WithFilerClient %d %v: %v", x, filerGrpcAddress, err) |
|||
} else { |
|||
wfs.option.filerIndex = i |
|||
return nil |
|||
} |
|||
|
|||
i++ |
|||
if i >= n { |
|||
i = 0 |
|||
} |
|||
|
|||
} |
|||
return err |
|||
}) |
|||
|
|||
} |
|||
|
|||
func (wfs *WFS) AdjustedUrl(location *filer_pb.Location) string { |
|||
if wfs.option.VolumeServerAccess == "publicUrl" { |
|||
return location.PublicUrl |
|||
} |
|||
return location.Url |
|||
} |
|||
@ -1,84 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"fmt" |
|||
"io" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filer" |
|||
"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" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
func (wfs *WFS) saveDataAsChunk(fullPath util.FullPath) filer.SaveDataAsChunkFunctionType { |
|||
|
|||
return func(reader io.Reader, filename string, offset int64) (chunk *filer_pb.FileChunk, collection, replication string, err error) { |
|||
var fileId, host string |
|||
var auth security.EncodedJwt |
|||
|
|||
if err := wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error { |
|||
return util.Retry("assignVolume", func() error { |
|||
request := &filer_pb.AssignVolumeRequest{ |
|||
Count: 1, |
|||
Replication: wfs.option.Replication, |
|||
Collection: wfs.option.Collection, |
|||
TtlSec: wfs.option.TtlSec, |
|||
DiskType: string(wfs.option.DiskType), |
|||
DataCenter: wfs.option.DataCenter, |
|||
Path: string(fullPath), |
|||
} |
|||
|
|||
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, auth = resp.FileId, security.EncodedJwt(resp.Auth) |
|||
loc := resp.Location |
|||
host = wfs.AdjustedUrl(loc) |
|||
collection, 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) |
|||
if wfs.option.VolumeServerAccess == "filerProxy" { |
|||
fileUrl = fmt.Sprintf("http://%s/?proxyChunkId=%s", wfs.getCurrentFiler(), fileId) |
|||
} |
|||
uploadOption := &operation.UploadOption{ |
|||
UploadUrl: fileUrl, |
|||
Filename: filename, |
|||
Cipher: wfs.option.Cipher, |
|||
IsInputCompressed: false, |
|||
MimeType: "", |
|||
PairMap: nil, |
|||
Jwt: auth, |
|||
} |
|||
uploadResult, err, data := operation.Upload(reader, uploadOption) |
|||
if err != nil { |
|||
glog.V(0).Infof("upload data %v to %s: %v", filename, fileUrl, err) |
|||
return nil, "", "", fmt.Errorf("upload data: %v", err) |
|||
} |
|||
if uploadResult.Error != "" { |
|||
glog.V(0).Infof("upload failure %v to %s: %v", filename, fileUrl, err) |
|||
return nil, "", "", fmt.Errorf("upload result: %v", uploadResult.Error) |
|||
} |
|||
|
|||
if offset == 0 { |
|||
wfs.chunkCache.SetChunk(fileId, data) |
|||
} |
|||
|
|||
chunk = uploadResult.ToPbFileChunk(fileId, offset) |
|||
return chunk, collection, replication, nil |
|||
} |
|||
} |
|||
@ -1,153 +0,0 @@ |
|||
package filesys |
|||
|
|||
import ( |
|||
"context" |
|||
"strings" |
|||
"syscall" |
|||
|
|||
"github.com/seaweedfs/fuse" |
|||
|
|||
"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache" |
|||
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
|||
"github.com/chrislusf/seaweedfs/weed/util" |
|||
) |
|||
|
|||
const ( |
|||
XATTR_PREFIX = "xattr-" // same as filer
|
|||
) |
|||
|
|||
func getxattr(entry *filer_pb.Entry, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error { |
|||
|
|||
if entry == nil { |
|||
return fuse.ErrNoXattr |
|||
} |
|||
if entry.Extended == nil { |
|||
return fuse.ErrNoXattr |
|||
} |
|||
data, found := entry.Extended[XATTR_PREFIX+req.Name] |
|||
if !found { |
|||
return fuse.ErrNoXattr |
|||
} |
|||
if req.Position < uint32(len(data)) { |
|||
size := req.Size |
|||
if req.Position+size >= uint32(len(data)) { |
|||
size = uint32(len(data)) - req.Position |
|||
} |
|||
if size == 0 { |
|||
resp.Xattr = data[req.Position:] |
|||
} else { |
|||
resp.Xattr = data[req.Position : req.Position+size] |
|||
} |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func setxattr(entry *filer_pb.Entry, req *fuse.SetxattrRequest) error { |
|||
|
|||
if entry == nil { |
|||
return fuse.EIO |
|||
} |
|||
|
|||
if entry.Extended == nil { |
|||
entry.Extended = make(map[string][]byte) |
|||
} |
|||
data, _ := entry.Extended[XATTR_PREFIX+req.Name] |
|||
|
|||
newData := make([]byte, int(req.Position)+len(req.Xattr)) |
|||
|
|||
copy(newData, data) |
|||
|
|||
copy(newData[int(req.Position):], req.Xattr) |
|||
|
|||
entry.Extended[XATTR_PREFIX+req.Name] = newData |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func removexattr(entry *filer_pb.Entry, req *fuse.RemovexattrRequest) error { |
|||
|
|||
if entry == nil { |
|||
return fuse.ErrNoXattr |
|||
} |
|||
|
|||
if entry.Extended == nil { |
|||
return fuse.ErrNoXattr |
|||
} |
|||
|
|||
_, found := entry.Extended[XATTR_PREFIX+req.Name] |
|||
|
|||
if !found { |
|||
return fuse.ErrNoXattr |
|||
} |
|||
|
|||
delete(entry.Extended, XATTR_PREFIX+req.Name) |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func listxattr(entry *filer_pb.Entry, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error { |
|||
|
|||
if entry == nil { |
|||
return fuse.EIO |
|||
} |
|||
|
|||
for k := range entry.Extended { |
|||
if strings.HasPrefix(k, XATTR_PREFIX) { |
|||
resp.Append(k[len(XATTR_PREFIX):]) |
|||
} |
|||
} |
|||
|
|||
size := req.Size |
|||
if req.Position+size >= uint32(len(resp.Xattr)) { |
|||
size = uint32(len(resp.Xattr)) - req.Position |
|||
} |
|||
|
|||
if size == 0 { |
|||
resp.Xattr = resp.Xattr[req.Position:] |
|||
} else { |
|||
resp.Xattr = resp.Xattr[req.Position : req.Position+size] |
|||
} |
|||
|
|||
return nil |
|||
|
|||
} |
|||
|
|||
func (wfs *WFS) maybeLoadEntry(dir, name string) (entry *filer_pb.Entry, err error) { |
|||
|
|||
fullpath := util.NewFullPath(dir, name) |
|||
// glog.V(3).Infof("read entry cache miss %s", fullpath)
|
|||
|
|||
// return a valid entry for the mount root
|
|||
if string(fullpath) == wfs.option.FilerMountRootPath { |
|||
return &filer_pb.Entry{ |
|||
Name: name, |
|||
IsDirectory: true, |
|||
Attributes: &filer_pb.FuseAttributes{ |
|||
Mtime: wfs.option.MountMtime.Unix(), |
|||
FileMode: uint32(wfs.option.MountMode), |
|||
Uid: wfs.option.MountUid, |
|||
Gid: wfs.option.MountGid, |
|||
Crtime: wfs.option.MountCtime.Unix(), |
|||
}, |
|||
}, nil |
|||
} |
|||
|
|||
// read from async meta cache
|
|||
meta_cache.EnsureVisited(wfs.metaCache, wfs, util.FullPath(dir)) |
|||
cachedEntry, cacheErr := wfs.metaCache.FindEntry(context.Background(), fullpath) |
|||
if cacheErr == filer_pb.ErrNotFound { |
|||
return nil, fuse.ENOENT |
|||
} |
|||
return cachedEntry.ToProtoEntry(), cacheErr |
|||
} |
|||
|
|||
func checkName(name string) error { |
|||
if len(name) >= 256 { |
|||
return syscall.ENAMETOOLONG |
|||
} |
|||
return nil |
|||
} |
|||
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