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115 lines
3.0 KiB
115 lines
3.0 KiB
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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// Simulates disk returning errFaultyDisk on all methods of StorageAPI
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// interface after successCount number of successes.
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type faultyDisk struct {
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disk *posix
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successCount int
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}
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// instantiates a faulty
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func newFaultyDisk(disk *posix, n int) *faultyDisk {
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return &faultyDisk{disk: disk, successCount: n}
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}
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func (f *faultyDisk) MakeVol(volume string) (err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.MakeVol(volume)
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}
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return errFaultyDisk
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}
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func (f *faultyDisk) ListVols() (vols []VolInfo, err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.ListVols()
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}
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return nil, errFaultyDisk
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}
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func (f *faultyDisk) StatVol(volume string) (volInfo VolInfo, err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.StatVol(volume)
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}
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return VolInfo{}, errFaultyDisk
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}
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func (f *faultyDisk) DeleteVol(volume string) (err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.DeleteVol(volume)
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}
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return errFaultyDisk
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}
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func (f *faultyDisk) ListDir(volume, path string) (entries []string, err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.ListDir(volume, path)
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}
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return []string{}, errFaultyDisk
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}
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func (f *faultyDisk) ReadFile(volume string, path string, offset int64, buf []byte) (n int64, err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.ReadFile(volume, path, offset, buf)
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}
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return 0, errFaultyDisk
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}
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func (f *faultyDisk) AppendFile(volume, path string, buf []byte) error {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.AppendFile(volume, path, buf)
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}
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return errFaultyDisk
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}
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func (f *faultyDisk) RenameFile(srcVolume, srcPath, dstVolume, dstPath string) error {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.RenameFile(srcVolume, srcPath, dstVolume, dstPath)
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}
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return errFaultyDisk
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}
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func (f *faultyDisk) StatFile(volume string, path string) (file FileInfo, err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.StatFile(volume, path)
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}
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return FileInfo{}, errFaultyDisk
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}
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func (f *faultyDisk) DeleteFile(volume string, path string) (err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.DeleteFile(volume, path)
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}
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return errFaultyDisk
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}
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func (f *faultyDisk) ReadAll(volume string, path string) (buf []byte, err error) {
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if f.successCount > 0 {
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f.successCount--
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return f.disk.ReadAll(volume, path)
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}
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return nil, errFaultyDisk
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}
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