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add basic/imcomplete windows support
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parent
3c39a6050f
commit
42afd5c0aa
1 changed files with 116 additions and 3 deletions
119
node_windows.go
119
node_windows.go
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@ -1,9 +1,77 @@
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package restic
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import "os"
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import (
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"fmt"
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"os"
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func (node *Node) fill_extra(path string, fi os.FileInfo) error {
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return nil
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"github.com/restic/restic/debug"
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"syscall"
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"time"
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)
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func (node *Node) fill_extra(path string, fi os.FileInfo) (err error) {
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stat, ok := fi.Sys().(*syscall.Win32FileAttributeData)
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if !ok {
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return
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}
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//we need access to os.File filedescriptor!!!!
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//syscall.ByHandleFileInformation {
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// FileAttributes uint32
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// CreationTime Filetime
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// LastAccessTime Filetime
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// LastWriteTime Filetime
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// VolumeSerialNumber uint32 --> node.Device
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// FileSizeHigh uint32 --> can be used to calculate node.Size
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// FileSizeLow uint32
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// NumberOfLinks uint32 --> node.Links
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// FileIndexHigh uint32
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// FileIndexLow uint32 --> Node.Inode= uint64(FileIndexLow) | uint64(FileIndexHigh)<<32
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//}
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//
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//file,err:=os.Open(path)
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//if err!=nil{
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// return err
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//}
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//byhandlefi := &syscall.ByHandleFileInformation{}
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//
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//err=syscall.GetFileInformationByHandle(syscall.Handle(file.Fd()), byhandlefi)
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//if err!=nil{
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// return err
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//}
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node.ChangeTime = time.Unix(0, stat.LastWriteTime.Nanoseconds())
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node.AccessTime = time.Unix(0, stat.LastAccessTime.Nanoseconds())
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//Todo GetSecurityInfo
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//node.UID
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//node.GID
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//node.User
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//node.Inode = uint64(byhandlefi.FileIndexLow) | uint64(byhandlefi.FileIndexHigh)<<32
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switch node.Type {
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case "file":
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node.Size = uint64(fi.Size())
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//node.Links = uint64(byhandlefi.NumberOfLinks)
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case "dir":
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// nothing to do
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case "symlink":
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node.LinkTarget, err = os.Readlink(path)
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case "dev":
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// nothing to do
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case "chardev":
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// nothing to do
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case "fifo":
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// nothing to do
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case "socket":
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// nothing to do
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default:
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panic(fmt.Sprintf("invalid node type %q", node.Type))
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}
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return err
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}
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func (node *Node) createDevAt(path string) error {
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@ -19,5 +87,50 @@ func (node *Node) createFifoAt(path string) error {
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}
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func (node *Node) isNewer(path string, fi os.FileInfo) bool {
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// if this node has a type other than "file", treat as if content has changed
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if node.Type != "file" {
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debug.Log("node.isNewer", "node %v is newer: not file", path)
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return true
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}
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// if the name or type has changed, this is surely something different
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tpe := nodeTypeFromFileInfo(path, fi)
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if node.Name != fi.Name() || node.Type != tpe {
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debug.Log("node.isNewer", "node %v is newer: name or type changed", path)
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return false
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}
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stat := fi.Sys().(*syscall.Win32FileAttributeData)
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changeTime := time.Unix(0, stat.LastWriteTime.Nanoseconds())
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//same here
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//file,err:=os.Open(path)
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//if err!=nil{
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// return err
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//}
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//byhandlefi := &syscall.ByHandleFileInformation{}
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//
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//err=syscall.GetFileInformationByHandle(syscall.Handle(file.Fd()), byhandlefi)
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//if err!=nil{
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// return err
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//}
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//inode := uint64(byhandlefi.FileIndexLow) | uint64(byhandlefi.FileIndexHigh)<<32
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//we can use latter
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size := uint64(fi.Size())
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// if timestamps or inodes differ, content has changed
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if node.ModTime != fi.ModTime() ||
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node.ChangeTime != changeTime ||
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//node.Inode != inode ||
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node.Size != size {
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debug.Log("node.isNewer", "node %v is newer: timestamp or inode changed", path)
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return false
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}
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// otherwise the node is assumed to have the same content
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debug.Log("node.isNewer", "node %v is not newer", path)
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return false
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}
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