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make statsWalkSnapshot return a function

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This commit is contained in:
Alexander Neumann 2018-07-27 21:44:59 +02:00
parent daca9d6815
commit 12c797700e
1 changed files with 52 additions and 52 deletions
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104
cmd/restic/cmd_stats.go
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@ -147,75 +147,75 @@ func statsWalkSnapshot(ctx context.Context, snapshot *restic.Snapshot, repo rest
return restic.FindUsedBlobs(ctx, repo, *snapshot.Tree, stats.blobs, stats.blobsSeen)
}
err := walker.Walk(ctx, repo, *snapshot.Tree, restic.NewIDSet(), func(path string, node *restic.Node, nodeErr error) (bool, error) {
return statsWalkTree(path, node, nodeErr, repo, stats)
})
err := walker.Walk(ctx, repo, *snapshot.Tree, restic.NewIDSet(), statsWalkTree(repo, stats))
if err != nil {
return fmt.Errorf("walking tree %s: %v", *snapshot.Tree, err)
}
return nil
}
func statsWalkTree(npath string, node *restic.Node, nodeErr error, repo restic.Repository, stats *statsContainer) (ignore bool, err error) {
if nodeErr != nil {
return true, nodeErr
}
if node == nil {
return true, nil
}
func statsWalkTree(repo restic.Repository, stats *statsContainer) walker.WalkFunc {
return func(npath string, node *restic.Node, nodeErr error) (bool, error) {
if nodeErr != nil {
return true, nodeErr
}
if node == nil {
return true, nil
}
if countMode == countModeUniqueFilesByContent || countMode == countModeBlobsPerFile {
// only count this file if we haven't visited it before
fid := makeFileIDByContents(node)
if _, ok := stats.uniqueFiles[fid]; !ok {
// mark the file as visited
stats.uniqueFiles[fid] = struct{}{}
if countMode == countModeUniqueFilesByContent || countMode == countModeBlobsPerFile {
// only count this file if we haven't visited it before
fid := makeFileIDByContents(node)
if _, ok := stats.uniqueFiles[fid]; !ok {
// mark the file as visited
stats.uniqueFiles[fid] = struct{}{}
if countMode == countModeUniqueFilesByContent {
// simply count the size of each unique file (unique by contents only)
stats.TotalSize += node.Size
stats.TotalFileCount++
}
if countMode == countModeBlobsPerFile {
// count the size of each unique blob reference, which is
// by unique file (unique by contents and file path)
for _, blobID := range node.Content {
// ensure we have this file (by path) in our map; in this
// mode, a file is unique by both contents and path
nodePath := filepath.Join(npath, node.Name)
if _, ok := stats.fileBlobs[nodePath]; !ok {
stats.fileBlobs[nodePath] = restic.NewIDSet()
stats.TotalFileCount++
}
if _, ok := stats.fileBlobs[nodePath][blobID]; !ok {
// is always a data blob since we're accessing it via a file's Content array
blobSize, found := repo.LookupBlobSize(blobID, restic.DataBlob)
if !found {
return true, fmt.Errorf("blob %s not found for tree %s", blobID, *node.Subtree)
if countMode == countModeUniqueFilesByContent {
// simply count the size of each unique file (unique by contents only)
stats.TotalSize += node.Size
stats.TotalFileCount++
}
if countMode == countModeBlobsPerFile {
// count the size of each unique blob reference, which is
// by unique file (unique by contents and file path)
for _, blobID := range node.Content {
// ensure we have this file (by path) in our map; in this
// mode, a file is unique by both contents and path
nodePath := filepath.Join(npath, node.Name)
if _, ok := stats.fileBlobs[nodePath]; !ok {
stats.fileBlobs[nodePath] = restic.NewIDSet()
stats.TotalFileCount++
}
if _, ok := stats.fileBlobs[nodePath][blobID]; !ok {
// is always a data blob since we're accessing it via a file's Content array
blobSize, found := repo.LookupBlobSize(blobID, restic.DataBlob)
if !found {
return true, fmt.Errorf("blob %s not found for tree %s", blobID, *node.Subtree)
}
// count the blob's size, then add this blob by this
// file (path) so we don't double-count it
stats.TotalSize += uint64(blobSize)
stats.fileBlobs[nodePath].Insert(blobID)
// count the blob's size, then add this blob by this
// file (path) so we don't double-count it
stats.TotalSize += uint64(blobSize)
stats.fileBlobs[nodePath].Insert(blobID)
// this mode also counts total unique blob _references_ per file
stats.TotalBlobCount++
// this mode also counts total unique blob _references_ per file
stats.TotalBlobCount++
}
}
}
}
}
}
if countMode == countModeRestoreSize {
// as this is a file in the snapshot, we can simply count its
// size without worrying about uniqueness, since duplicate files
// will still be restored
stats.TotalSize += node.Size
stats.TotalFileCount++
}
if countMode == countModeRestoreSize {
// as this is a file in the snapshot, we can simply count its
// size without worrying about uniqueness, since duplicate files
// will still be restored
stats.TotalSize += node.Size
stats.TotalFileCount++
}
return true, nil
return true, nil
}
}
// makeFileIDByContents returns a hash of the blob IDs of the