mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
345 lines
9.9 KiB
Go
345 lines
9.9 KiB
Go
// Copyright 2023 The CubeFS Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package storage_test
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import (
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"bytes"
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"fmt"
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"os"
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"syscall"
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"testing"
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"github.com/cubefs/cubefs/blobstore/blobnode/sys"
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"github.com/cubefs/cubefs/datanode/storage"
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"github.com/cubefs/cubefs/util"
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"github.com/stretchr/testify/require"
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)
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const (
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testTinyExtentID = 1
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testNormalExtentID = 65
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dataStr = "hello world"
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dataSize = int64(len(dataStr))
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)
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func getTestPathExtentName(id uint64) (string, func(), error) {
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dir, err := os.MkdirTemp(os.TempDir(), "cfs_storage_extent_")
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if err != nil {
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return "", nil, err
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}
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return fmt.Sprintf("%s/%d", dir, id), func() { os.RemoveAll(dir) }, nil
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}
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func mockCrcPersist(t *testing.T, e *storage.Extent, blockNo int, blockCrc uint32) (err error) {
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t.Logf("persist crc extent blockNo: %v blockCrc:%v", blockNo, blockCrc)
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return
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}
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func getMockCrcPersist(t *testing.T) storage.UpdateCrcFunc {
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return func(e *storage.Extent, blockNo int, crc uint32) (err error) {
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return mockCrcPersist(t, e, blockNo, crc)
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}
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}
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func normalExtentRwTest(t *testing.T, e *storage.Extent) {
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data := []byte(dataStr)
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param := &storage.WriteParam{
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Data: data,
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Offset: 0,
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ExtentID: 0,
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Crc: 0,
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WriteType: storage.AppendWriteType,
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IsSync: true,
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IsHole: false,
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IsRepair: false,
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}
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_, err := e.Write(param, getMockCrcPersist(t))
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param.Size = int64(len(data))
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require.Error(t, err)
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// append write
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_, err = e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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require.EqualValues(t, e.Size(), len(data))
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_, err = e.Read(data, 0, int64(len(data)), false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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// failed append write
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param.WriteType = storage.AppendWriteType
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_, err = e.Write(param, getMockCrcPersist(t))
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require.Error(t, err)
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// random append write
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oldSize := e.Size()
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param.WriteType = storage.RandomWriteType
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_, err = e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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require.Equal(t, e.Size(), oldSize)
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_, err = e.Read(data, 0, int64(len(data)), false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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param.Offset = util.BlockSize
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param.Size = dataSize
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_, err = e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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param.Offset = util.ExtentSize
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_, err = e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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// TODO: append random write test
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}
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func tinyExtentRwTest(t *testing.T, e *storage.Extent) {
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data := []byte(dataStr)
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param := &storage.WriteParam{
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Data: data,
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IsSync: true,
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}
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// write oversize
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param.Offset = storage.ExtentMaxSize
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param.Size = dataSize
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param.WriteType = storage.RandomWriteType
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_, err := e.Write(param, getMockCrcPersist(t))
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require.ErrorIs(t, err, storage.ExtentIsFullError)
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// append write
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param.Offset = 0
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param.Size = int64(len(data))
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param.WriteType = storage.AppendWriteType
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_, err = e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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require.EqualValues(t, e.Size()%util.PageSize, 0)
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_, err = e.Read(data, 0, int64(len(data)), false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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// failed append write
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_, err = e.Write(param, getMockCrcPersist(t))
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require.Error(t, err)
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// random write
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oldSize := e.Size()
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param.WriteType = storage.RandomWriteType
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param.Offset = int64(len(data))
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_, err = e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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require.Equal(t, e.Size(), oldSize)
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_, err = e.Read(data, int64(len(data)), int64(len(data)), false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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}
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func normalExtentCreateTest(t *testing.T, name string) {
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e := storage.NewExtentInCore(name, testNormalExtentID)
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t.Log("normal-extent:", e)
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require.False(t, e.Exist())
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err := e.InitToFS()
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require.NoError(t, err)
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defer e.Close()
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normalExtentRwTest(t, e)
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}
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func normalExtentRecoveryTest(t *testing.T, name string) {
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e := storage.NewExtentInCore(name, testNormalExtentID)
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require.Equal(t, e.Exist(), true)
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t.Log("normal-extent:", e.String())
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err := e.RestoreFromFS()
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require.NoError(t, err)
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defer e.Close()
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for _, offset := range []int64{0, util.BlockSize, util.ExtentSize} {
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data := make([]byte, dataSize)
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_, err = e.Read(data, offset, dataSize, false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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}
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}
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func tinyExtentCreateTest(t *testing.T, name string) {
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e := storage.NewExtentInCore(name, testTinyExtentID)
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t.Log("tiny-extent:", e)
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require.False(t, e.Exist())
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require.ErrorIs(t, e.RestoreFromFS(), storage.ExtentNotFoundError)
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require.NoError(t, e.InitToFS())
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defer e.Close()
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tinyExtentRwTest(t, e)
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}
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func tinyExtentRecoveryTest(t *testing.T, name string) {
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e := storage.NewExtentInCore(name, testTinyExtentID)
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require.Equal(t, e.Exist(), true)
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err := e.RestoreFromFS()
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require.NoError(t, err)
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defer e.Close()
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data := make([]byte, dataSize)
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_, err = e.ReadTiny(data, 0, int64(len(data)), false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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_, err = e.Read(data, int64(len(data)), int64(len(data)), false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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}
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func tinyExtentRepairTest(t *testing.T, name string) {
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e := storage.NewExtentInCore(name, testTinyExtentID)
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require.Equal(t, e.Exist(), true)
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err := e.RestoreFromFS()
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require.NoError(t, err)
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defer e.Close()
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data := []byte(dataStr)
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size := e.Size()
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err = e.TinyExtentRecover(nil, size, int64(len(data)), 0, true)
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require.NoError(t, err)
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t.Logf("extent data size is %v", e.Size())
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_, err = e.Read(data, size, int64(len(data)), true, false)
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require.NoError(t, err)
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for _, v := range data {
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require.EqualValues(t, v, 0)
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}
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size = e.Size()
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data = []byte(dataStr)
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err = e.TinyExtentRecover(data, size, int64(len(data)), 0, false)
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require.NoError(t, err)
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_, err = e.Read(data, size, int64(len(data)), false, false)
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require.NoError(t, err)
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require.Equal(t, string(data), dataStr)
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}
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func TestTinyExtent(t *testing.T) {
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name, clean, err := getTestPathExtentName(testTinyExtentID)
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require.NoError(t, err)
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defer clean()
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tinyExtentCreateTest(t, name)
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tinyExtentRecoveryTest(t, name)
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tinyExtentRepairTest(t, name)
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}
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func TestNormalExtent(t *testing.T) {
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name, clean, err := getTestPathExtentName(testNormalExtentID)
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require.NoError(t, err)
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defer clean()
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normalExtentCreateTest(t, name)
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normalExtentRecoveryTest(t, name)
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}
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func TestSeekHole(t *testing.T) {
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var (
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info os.FileInfo
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filePath = "./filename"
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err error
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size int64
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)
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os.Remove(filePath)
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defer os.Remove(filePath)
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e := storage.NewExtentInCore(filePath, 0)
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err = e.InitToFS()
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require.NoError(t, err)
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file := e.GetFile()
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info, err = file.Stat()
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require.NoError(t, err)
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size = e.GetDataSize(info.Size())
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t.Logf("data size %v, file stat size %v", size, info.Size())
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blockSize := info.Sys().(*syscall.Stat_t).Blksize
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t.Logf("blockSize %v", blockSize)
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headSize := 10 * 1024 * 1024
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file.Truncate(util.ExtentSize) // this necessary or else hole position not stable
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var size_ int
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data := bytes.Repeat([]byte("s"), headSize)
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// write at begin
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size_, err = file.Write(data)
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require.NoError(t, err)
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info, err = file.Stat()
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require.NoError(t, err)
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t.Logf("err %v,size %v, file stat size %v", err, size_, info.Size())
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// puch hole at the begin
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err = sys.Fallocate(file.Fd(), util.FallocFLPunchHole|util.FallocFLKeepSize, 4*1024, blockSize)
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require.NoError(t, err)
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midDataOffset := int64(util.ExtentSize / 4)
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_, err = file.WriteAt(data[:1024], midDataOffset)
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require.NoError(t, err)
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// write at middle
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midDataOffset = int64(util.ExtentSize / 2)
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size_, err = file.WriteAt(data[:1024], midDataOffset)
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require.NoError(t, err)
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info, err = file.Stat()
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t.Logf("err %v,size %v, file stat size %v", err, size_, info.Size())
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// calc last hole in 128M
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lastHole := midDataOffset + 1024
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alignlastHole := lastHole + (blockSize - lastHole%blockSize)
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t.Logf("write at %v size %v last hole off %v ,aligned off %v", midDataOffset, size_, lastHole, alignlastHole)
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// write after 128M
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_, err = file.WriteAt(data[:1024], int64(util.ExtentSize))
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require.NoError(t, err)
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// seek last hole in 128M
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info, err = file.Stat()
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size = e.GetDataSize(info.Size())
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t.Logf("datasize %v alignLastOff %v lastHoleOfData %v size %v", size, alignlastHole, lastHole, info.Size())
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require.NoError(t, err)
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file.Close()
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err = e.RestoreFromFS()
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require.NoError(t, err)
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dataSize, snapSize := e.GetSize()
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t.Logf("dataSize %v, snapSize %v", dataSize, snapSize)
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require.True(t, dataSize == alignlastHole)
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}
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func TestExtentRecovery(t *testing.T) {
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filePath := "./1025"
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os.Remove(filePath)
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defer os.Remove(filePath)
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e := storage.NewExtentInCore(filePath, 1025)
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err := e.InitToFS()
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require.NoError(t, err)
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headSize := 128 * 1024
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data := bytes.Repeat([]byte("s"), headSize)
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param := &storage.WriteParam{
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Data: data,
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IsSync: true,
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}
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for i := 0; i < 10; i++ {
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param.Offset = int64(i) * util.BlockSize
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param.Size = int64(headSize)
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param.WriteType = storage.AppendWriteType
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_, err := e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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}
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for i := 0; i < 10; i++ {
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param.Offset = int64(i)*util.BlockSize + util.ExtentSize
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param.Size = int64(headSize)
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param.WriteType = storage.AppendRandomWriteType
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_, err := e.Write(param, getMockCrcPersist(t))
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require.NoError(t, err)
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}
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e.GetFile().Close()
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err = e.RestoreFromFS()
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require.NoError(t, err)
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dataSize, snapSize := e.GetSize()
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t.Logf("dataSize %v, snapSize %v", dataSize, snapSize)
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require.True(t, util.BlockSize*10 == dataSize)
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}
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