mirror of
https://github.com/mickael-kerjean/filestash.git
synced 2025-10-31 10:07:15 +08:00
121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
package plg_backend_nop
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import (
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. "github.com/mickael-kerjean/filestash/server/common"
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"io"
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"os"
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"strconv"
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"strings"
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)
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func init() {
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Backend.Register("blackhole", BlackHole{})
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}
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type LargeFile struct {
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Counter int
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}
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func (this *LargeFile) Read(p []byte) (n int, err error) {
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if this.Counter <= 0 {
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return 0, io.EOF
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}
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this.Counter = this.Counter - len(p)
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lenp := len(p)
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if lenp > 0 {
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p[0] = '_'
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}
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for i := 0; i < lenp; i += 100 {
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p[i] = '_'
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}
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return lenp, nil
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}
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func (this LargeFile) Close() error {
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return nil
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}
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type BlackHole struct{}
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func (this BlackHole) Init(params map[string]string, app *App) (IBackend, error) {
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Log.Debug("plg_backend_nop::init params[%s]", params)
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return &BlackHole{}, nil
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}
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func (this BlackHole) LoginForm() Form {
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return Form{
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Elmnts: []FormElement{
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{
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Name: "type",
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Type: "hidden",
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Value: "blackhole",
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},
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},
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}
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}
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func (this BlackHole) Ls(path string) ([]os.FileInfo, error) {
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files := make([]os.FileInfo, 0)
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files = append(
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files,
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File{FName: "1M.bin", FType: "file", FSize: 1024 * 1024},
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File{FName: "10M.bin", FType: "file", FSize: 1024 * 1024 * 10},
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File{FName: "100M.bin", FType: "file", FSize: 1024 * 1024 * 100},
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File{FName: "1G.bin", FType: "file", FSize: 1024 * 1024 * 1024},
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File{FName: "10G.bin", FType: "file", FSize: 1024 * 1024 * 1024 * 1024},
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File{FName: "100G.bin", FType: "file", FSize: 1024 * 1024 * 1024 * 1024 * 1024},
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)
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return files, nil
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}
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func (this BlackHole) Cat(path string) (io.ReadCloser, error) {
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path = strings.TrimPrefix(path, "/")
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if strings.HasSuffix(path, ".bin") == false {
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return nil, ErrNotImplemented
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}
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path = strings.TrimSuffix(path, ".bin")
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order := 1
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if strings.HasSuffix(path, "K") {
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path = strings.TrimSuffix(path, "K")
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order = order * 1024
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} else if strings.HasSuffix(path, "M") {
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path = strings.TrimSuffix(path, "M")
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order = order * 1024 * 1024
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} else if strings.HasSuffix(path, "G") {
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path = strings.TrimSuffix(path, "G")
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order = order * 1024 * 1024 * 1024
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}
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i, err := strconv.Atoi(path)
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if err != nil {
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return nil, ErrNotImplemented
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}
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return &LargeFile{i * order}, nil
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}
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func (this BlackHole) Mkdir(path string) error {
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return nil
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}
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func (this BlackHole) Rm(path string) error {
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return ErrNotImplemented
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}
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func (this BlackHole) Mv(from, to string) error {
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return ErrNotImplemented
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}
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func (this BlackHole) Save(path string, content io.Reader) error {
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b := make([]byte, 32<<20) // 32MB
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for {
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_, err := content.Read(b)
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if err == io.EOF {
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break
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}
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}
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return nil
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}
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func (this BlackHole) Touch(path string) error {
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return nil
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}
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