Exemplo n.º 1
0
func main() {
	// Scans the arg list and sets up flags
	debug := flag.Bool("debug", false, "print debugging messages.")
	latencies := flag.Bool("latencies", false, "record operation latencies.")

	flag.Parse()
	if flag.NArg() < 2 {
		fmt.Fprintf(os.Stderr, "usage: %s MOUNTPOINT ZIP-FILE\n", os.Args[0])
		os.Exit(2)
	}

	var fs fuse.FileSystem
	fs, err := zipfs.NewArchiveFileSystem(flag.Arg(1))
	if err != nil {
		fmt.Fprintf(os.Stderr, "NewArchiveFileSystem failed: %v\n", err)
		os.Exit(1)
	}
	debugFs := fuse.NewFileSystemDebug()

	if *latencies {
		debugFs.FileSystem = fs
		fs = debugFs
	}

	state, conn, err := fuse.MountFileSystem(flag.Arg(0), fs, nil)
	if err != nil {
		fmt.Printf("Mount fail: %v\n", err)
		os.Exit(1)
	}

	if *latencies {
		debugFs.AddFileSystemConnector(conn)
		debugFs.AddMountState(state)
	}

	state.SetRecordStatistics(*latencies)
	state.Debug = *debug
	state.Loop(true)
}
Exemplo n.º 2
0
func main() {
	// Scans the arg list and sets up flags
	debug := flag.Bool("debug", false, "print debugging messages.")
	latencies := flag.Bool("latencies", false, "record latencies.")
	threaded := flag.Bool("threaded", true, "switch off threading; print debugging messages.")
	flag.Parse()
	if flag.NArg() < 2 {
		// TODO - where to get program name?
		fmt.Println("usage: main MOUNTPOINT ORIGINAL")
		os.Exit(2)
	}

	var finalFs fuse.FileSystem
	orig := flag.Arg(1)
	loopbackfs := fuse.NewLoopbackFileSystem(orig)
	finalFs = loopbackfs

	debugFs := fuse.NewFileSystemDebug()
	if *latencies {
		timing := fuse.NewTimingFileSystem(finalFs)
		debugFs.AddTimingFileSystem(timing)
		finalFs = timing
	}

	opts := &fuse.FileSystemOptions{
		// These options are to be compatible with libfuse defaults,
		// making benchmarking easier.
		NegativeTimeout: 1.0,
		AttrTimeout:     1.0,
		EntryTimeout:    1.0,
	}

	if *latencies {
		debugFs.FileSystem = finalFs
		finalFs = debugFs
	}

	conn := fuse.NewFileSystemConnector(finalFs, opts)
	var finalRawFs fuse.RawFileSystem = conn
	if *latencies {
		rawTiming := fuse.NewTimingRawFileSystem(conn)
		debugFs.AddRawTimingFileSystem(rawTiming)
		finalRawFs = rawTiming
	}

	state := fuse.NewMountState(finalRawFs)
	state.Debug = *debug

	if *latencies {
		state.SetRecordStatistics(true)
		debugFs.AddMountState(state)
		debugFs.AddFileSystemConnector(conn)
	}
	mountPoint := flag.Arg(0)

	fmt.Println("Mounting")
	err := state.Mount(mountPoint, nil)
	if err != nil {
		fmt.Printf("Mount fail: %v\n", err)
		os.Exit(1)
	}

	fmt.Println("Mounted!")
	state.Loop(*threaded)
}