Index: common/dirwalk/tests/tools/walkdir/main.go |
diff --git a/common/dirwalk/tests/tools/walkdir/main.go b/common/dirwalk/tests/tools/walkdir/main.go |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1736f377b1d177063fab42fc5f9f1b8faa57fb3d |
--- /dev/null |
+++ b/common/dirwalk/tests/tools/walkdir/main.go |
@@ -0,0 +1,116 @@ |
+// Copyright 2016 The LUCI Authors. All rights reserved. |
+// Use of this source code is governed under the Apache License, Version 2.0 |
+// that can be found in the LICENSE file. |
+ |
+package main |
+ |
+// Walk a given directory and perform an action on the files found. |
+ |
+import ( |
+ "flag" |
+ "fmt" |
+ "io" |
+ "io/ioutil" |
+ "log" |
+ "os" |
+ |
+ "github.com/luci/luci-go/common/dirwalk" |
+) |
+ |
+func mainImpl() error { |
+ method := flag.String("method", "basic", "Method used to walk the tree") |
+ dir := flag.String("dir", "", "Directory to walk") |
+ do := flag.String("do", "nothing", "Action to perform on the files") |
+ smallFileSize := flag.Int64("smallfilesize", 64*1024, "Size to consider a small file") |
+ repeat := flag.Int("repeat", 1, "Repeat the walk x times") |
+ verbose := flag.Bool("v", false, "verbose mode") |
+ |
+ flag.Parse() |
+ |
+ if !*verbose { |
+ log.SetOutput(ioutil.Discard) |
+ } |
+ |
+ if _, err := os.Stat(*dir); err != nil { |
+ return err |
+ } |
+ |
+ var base *BaseFileProcessor |
+ var proc FileProcessor |
+ switch *do { |
+ case "nothing": |
+ base = &BaseFileProcessor{} |
+ proc = base |
+ case "print": |
+ p := &PrintFileProcessor{obuf: os.Stderr} |
+ base = &p.BaseFileProcessor |
+ proc = p |
+ case "size": |
+ p := &SizeFileProcessor{obuf: os.Stderr} |
+ base = &p.BaseFileProcessor |
+ proc = p |
+ case "read": |
+ p := &ReadFileProcessor{} |
+ base = &p.BaseFileProcessor |
+ proc = p |
+ case "hash": |
+ p := &HashFileProcessor{obuf: os.Stderr} |
+ base = &p.BaseFileProcessor |
+ proc = p |
+ case "phash": |
+ p := CreateParallelHashFileProcessor(os.Stderr) |
+ base = &p.BaseFileProcessor |
+ proc = p |
+ case "verify": |
+ p := &VerifyFileProcessor{rootDir: *dir} |
+ base = &p.BaseFileProcessor |
+ proc = p |
+ default: |
+ log.Fatalf("Invalid action '%s'", *do) |
+ } |
+ |
+ for i := 0; i < *repeat; i++ { |
+ base.smallFiles = 0 |
+ base.largeFiles = 0 |
+ |
+ callback := func(path string, size int64, r io.ReadCloser, err error) { |
+ if err != nil { |
+ proc.Error(path, err) |
+ return |
+ } |
+ if r == nil { |
+ proc.Dir(path) |
+ return |
+ } |
+ |
+ if (size >= 0) && (size < *smallFileSize) { |
+ proc.SmallFile(path, r) |
+ } else { |
+ proc.LargeFile(path, r) |
+ } |
+ } |
+ |
+ switch *method { |
+ case "basic": |
+ dirwalk.WalkBasic(*dir, callback) |
+ case "nostat": |
+ dirwalk.WalkNoStat(*dir, *smallFileSize, callback) |
+ case "parallel": |
+ dirwalk.WalkParallel(*dir, callback) |
+ default: |
+ return fmt.Errorf("Invalid walk method '%s'", *method) |
+ } |
+ proc.Finished() |
+ fmt.Printf("Found %d small files and %d large files in %d dirs\n", base.smallFiles, base.largeFiles, base.dirs) |
+ } |
+ |
+ fmt.Fprintf(os.Stderr, "Found %d small files and %d large files in %d dirs\n", base.smallFiles, base.largeFiles, base.dirs) |
+ return nil |
+} |
+ |
+func main() { |
+ if err := mainImpl(); err != nil { |
+ fmt.Fprintf(os.Stderr, "walkdir: %s.\n", err) |
+ os.Exit(1) |
+ } |
+} |