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block_journal_test.go
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block_journal_test.go
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// Copyright 2016 Keybase Inc. All rights reserved.
// Use of this source code is governed by a BSD
// license that can be found in the LICENSE file.
package libkbfs
import (
"math"
"os"
"testing"
kbfsdata "github.com/keybase/client/go/kbfs/data"
"github.com/keybase/client/go/kbfs/ioutil"
"github.com/keybase/client/go/kbfs/kbfsblock"
"github.com/keybase/client/go/kbfs/kbfscodec"
"github.com/keybase/client/go/kbfs/kbfscrypto"
"github.com/keybase/client/go/kbfs/kbfsmd"
"github.com/keybase/client/go/kbfs/tlf"
"github.com/keybase/client/go/libkb"
"github.com/keybase/client/go/logger"
"github.com/keybase/client/go/protocol/keybase1"
"github.com/keybase/go-codec/codec"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/net/context"
)
type blockJournalEntryFuture struct {
blockJournalEntry
kbfscodec.Extra
}
func (ef blockJournalEntryFuture) toCurrent() blockJournalEntry {
return ef.blockJournalEntry
}
func (ef blockJournalEntryFuture) ToCurrentStruct() kbfscodec.CurrentStruct {
return ef.toCurrent()
}
func makeFakeBlockJournalEntryFuture(t *testing.T) blockJournalEntryFuture {
ef := blockJournalEntryFuture{
blockJournalEntry{
blockPutOp,
kbfsblock.ContextMap{
kbfsblock.FakeID(1): {
makeFakeBlockContext(t),
makeFakeBlockContext(t),
makeFakeBlockContext(t),
},
},
kbfsmd.RevisionInitial,
false,
nil,
false,
false,
codec.UnknownFieldSetHandler{},
},
kbfscodec.MakeExtraOrBust("blockJournalEntry", t),
}
return ef
}
func TestBlockJournalEntryUnknownFields(t *testing.T) {
testStructUnknownFields(t, makeFakeBlockJournalEntryFuture(t))
}
func TestSaturateAdd(t *testing.T) {
var x int64
saturateAdd(&x, math.MaxInt64-1)
require.Equal(t, int64(math.MaxInt64-1), x)
saturateAdd(&x, math.MaxInt64-1)
require.Equal(t, int64(math.MaxInt64), x)
saturateAdd(&x, math.MinInt64+2)
require.Equal(t, int64(1), x)
saturateAdd(&x, math.MinInt64)
require.Equal(t, int64(0), x)
x = math.MinInt64
saturateAdd(&x, math.MinInt64)
require.Equal(t, int64(0), x)
x = -1
saturateAdd(&x, math.MinInt64)
require.Equal(t, int64(0), x)
x = -1
saturateAdd(&x, 5)
require.Equal(t, int64(5), x)
x = -1
saturateAdd(&x, 0)
require.Equal(t, int64(0), x)
}
func setupBlockJournalTest(t *testing.T) (
ctx context.Context, cancel context.CancelFunc, tempdir string,
log logger.Logger, j *blockJournal) {
codec := kbfscodec.NewMsgpack()
log = logger.NewTestLogger(t)
tempdir, err := ioutil.TempDir(os.TempDir(), "block_journal")
require.NoError(t, err)
// Clean up the tempdir if the rest of the setup fails.
setupSucceeded := false
defer func() {
if !setupSucceeded {
err := ioutil.RemoveAll(tempdir)
assert.NoError(t, err)
}
}()
ctx, cancel = context.WithTimeout(
context.Background(), individualTestTimeout)
// Clean up the context if the rest of the setup fails.
defer func() {
if !setupSucceeded {
cancel()
}
}()
j, err = makeBlockJournal(ctx, codec, tempdir, log, libkb.NewVDebugLog(log))
require.NoError(t, err)
require.Equal(t, uint64(0), j.length())
setupSucceeded = true
return ctx, cancel, tempdir, log, j
}
func teardownBlockJournalTest(ctx context.Context, t *testing.T,
cancel context.CancelFunc, tempdir string, j *blockJournal) {
cancel()
err := j.checkInSyncForTest()
assert.NoError(t, err)
err = ioutil.RemoveAll(tempdir)
assert.NoError(t, err)
}
func putBlockData(
ctx context.Context, t *testing.T, j *blockJournal, data []byte) (
kbfsblock.ID, kbfsblock.Context, kbfscrypto.BlockCryptKeyServerHalf) {
oldLength := j.length()
bID, err := kbfsblock.MakePermanentID(
data, kbfscrypto.EncryptionSecretboxWithKeyNonce)
require.NoError(t, err)
uid1 := keybase1.MakeTestUID(1)
bCtx := kbfsblock.MakeFirstContext(
uid1.AsUserOrTeam(), keybase1.BlockType_DATA)
serverHalf, err := kbfscrypto.MakeRandomBlockCryptKeyServerHalf()
require.NoError(t, err)
putData, err := j.putBlockData(ctx, bID, bCtx, data, serverHalf)
require.NoError(t, err)
require.True(t, putData)
err = j.appendBlock(ctx, bID, bCtx, int64(len(data)))
require.NoError(t, err)
require.Equal(t, oldLength+1, j.length())
return bID, bCtx, serverHalf
}
func addBlockRef(
ctx context.Context, t *testing.T, j *blockJournal,
bID kbfsblock.ID) kbfsblock.Context {
oldLength := j.length()
nonce, err := kbfsblock.MakeRefNonce()
require.NoError(t, err)
uid1 := keybase1.MakeTestUID(1)
uid2 := keybase1.MakeTestUID(2)
bCtx2 := kbfsblock.MakeContext(
uid1.AsUserOrTeam(), uid2.AsUserOrTeam(), nonce,
keybase1.BlockType_DATA)
err = j.addReference(ctx, bID, bCtx2)
require.NoError(t, err)
require.Equal(t, oldLength+1, j.length())
return bCtx2
}
func getAndCheckBlockData(ctx context.Context, t *testing.T, j *blockJournal,
bID kbfsblock.ID, bCtx kbfsblock.Context, expectedData []byte,
expectedServerHalf kbfscrypto.BlockCryptKeyServerHalf) {
data, serverHalf, err := j.getDataWithContext(ctx, bID, bCtx)
require.NoError(t, err)
require.Equal(t, expectedData, data)
require.Equal(t, expectedServerHalf, serverHalf)
}
func TestBlockJournalBasic(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put the block.
data := []byte{1, 2, 3, 4}
bID, bCtx, serverHalf := putBlockData(ctx, t, j, data)
// Make sure we get the same block back.
getAndCheckBlockData(ctx, t, j, bID, bCtx, data, serverHalf)
// Add a reference.
bCtx2 := addBlockRef(ctx, t, j, bID)
// Make sure we get the same block via that reference.
getAndCheckBlockData(ctx, t, j, bID, bCtx2, data, serverHalf)
// Shutdown and restart.
err := j.checkInSyncForTest()
require.NoError(t, err)
j, err = makeBlockJournal(ctx, j.codec, tempdir, j.log, j.vlog)
require.NoError(t, err)
require.Equal(t, uint64(2), j.length())
// Make sure we get the same block for both refs.
getAndCheckBlockData(ctx, t, j, bID, bCtx, data, serverHalf)
getAndCheckBlockData(ctx, t, j, bID, bCtx2, data, serverHalf)
}
func TestBlockJournalDuplicatePut(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
data := []byte{1, 2, 3, 4}
oldLength := j.length()
bID, err := kbfsblock.MakePermanentID(
data, kbfscrypto.EncryptionSecretboxWithKeyNonce)
require.NoError(t, err)
uid1 := keybase1.MakeTestUID(1)
bCtx := kbfsblock.MakeFirstContext(
uid1.AsUserOrTeam(), keybase1.BlockType_DATA)
serverHalf, err := kbfscrypto.MakeRandomBlockCryptKeyServerHalf()
require.NoError(t, err)
putData, err := j.putBlockData(ctx, bID, bCtx, data, serverHalf)
require.NoError(t, err)
require.True(t, putData)
err = j.appendBlock(ctx, bID, bCtx, int64(len(data)))
require.NoError(t, err)
require.Equal(t, int64(len(data)), j.getStoredBytes())
require.Equal(t, int64(len(data)), j.getUnflushedBytes())
require.Equal(t, int64(filesPerBlockMax), j.getStoredFiles())
// Put a second time.
putData, err = j.putBlockData(ctx, bID, bCtx, data, serverHalf)
require.NoError(t, err)
require.False(t, putData)
err = j.appendBlock(ctx, bID, bCtx, 0)
require.NoError(t, err)
require.Equal(t, oldLength+2, j.length())
// Shouldn't count the block twice.
require.Equal(t, int64(len(data)), j.getStoredBytes())
require.Equal(t, int64(len(data)), j.getUnflushedBytes())
require.Equal(t, int64(filesPerBlockMax), j.getStoredFiles())
}
func TestBlockJournalAddReference(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
data := []byte{1, 2, 3, 4}
bID, err := kbfsblock.MakePermanentID(
data, kbfscrypto.EncryptionSecretboxWithKeyNonce)
require.NoError(t, err)
// Add a reference, which should succeed.
bCtx := addBlockRef(ctx, t, j, bID)
// Of course, the block get should still fail.
_, _, err = j.getDataWithContext(ctx, bID, bCtx)
require.Equal(t, blockNonExistentError{bID}, err)
}
func TestBlockJournalArchiveReferences(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put the block.
data := []byte{1, 2, 3, 4}
bID, bCtx, serverHalf := putBlockData(ctx, t, j, data)
// Add a reference.
bCtx2 := addBlockRef(ctx, t, j, bID)
// Archive references.
err := j.archiveReferences(
ctx, kbfsblock.ContextMap{bID: {bCtx, bCtx2}})
require.NoError(t, err)
require.Equal(t, uint64(3), j.length())
// Get block should still succeed.
getAndCheckBlockData(ctx, t, j, bID, bCtx, data, serverHalf)
}
func TestBlockJournalArchiveNonExistentReference(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
uid1 := keybase1.MakeTestUID(1)
bCtx := kbfsblock.MakeFirstContext(
uid1.AsUserOrTeam(), keybase1.BlockType_DATA)
data := []byte{1, 2, 3, 4}
bID, err := kbfsblock.MakePermanentID(
data, kbfscrypto.EncryptionSecretboxWithKeyNonce)
require.NoError(t, err)
// Archive references.
err = j.archiveReferences(
ctx, kbfsblock.ContextMap{bID: {bCtx}})
require.NoError(t, err)
}
func TestBlockJournalRemoveReferences(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put the block.
data := []byte{1, 2, 3, 4}
bID, bCtx, serverHalf := putBlockData(ctx, t, j, data)
// Add a reference.
bCtx2 := addBlockRef(ctx, t, j, bID)
// Remove references.
liveCounts, err := j.removeReferences(
ctx, kbfsblock.ContextMap{bID: {bCtx, bCtx2}})
require.NoError(t, err)
require.Equal(t, map[kbfsblock.ID]int{bID: 0}, liveCounts)
require.Equal(t, uint64(3), j.length())
// Make sure the block data is inaccessible.
_, _, err = j.getDataWithContext(ctx, bID, bCtx)
require.Equal(t, blockNonExistentError{bID}, err)
// But the actual data should remain (for flushing).
buf, half, err := j.getData(ctx, bID)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, half)
}
func TestBlockJournalDuplicateRemove(t *testing.T) {
ctx, cancel, tempdir, _, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put the block.
data := []byte{1, 2, 3, 4}
dataLen := int64(len(data))
bID, bCtx, _ := putBlockData(ctx, t, j, data)
require.Equal(t, dataLen, j.getStoredBytes())
require.Equal(t, dataLen, j.getUnflushedBytes())
require.Equal(t, int64(filesPerBlockMax), j.getStoredFiles())
// Remove the only reference to the block, then remove the
// block.
liveCounts, err := j.removeReferences(
ctx, kbfsblock.ContextMap{bID: {bCtx}})
require.NoError(t, err)
require.Equal(t, map[kbfsblock.ID]int{bID: 0}, liveCounts)
removedBytes, removedFiles, err := j.remove(ctx, bID)
require.NoError(t, err)
require.Equal(t, dataLen, removedBytes)
require.Equal(t, int64(filesPerBlockMax), removedFiles)
err = j.unstoreBlocks(removedBytes, removedFiles)
require.NoError(t, err)
// This violates the invariant that UnflushedBytes <=
// StoredBytes, but that's because we're manually removing the
// block -- normally, the block would be flushed first, then
// removed.
require.Equal(t, int64(0), j.getStoredBytes())
require.Equal(t, dataLen, j.getUnflushedBytes())
require.Equal(t, int64(0), j.getStoredFiles())
// Remove the block again.
removedBytes, removedFiles, err = j.remove(ctx, bID)
require.NoError(t, err)
require.Equal(t, int64(0), removedBytes)
require.Equal(t, int64(0), removedFiles)
// Shouldn't account for the block again.
require.Equal(t, int64(0), j.getStoredBytes())
require.Equal(t, dataLen, j.getUnflushedBytes())
require.Equal(t, int64(0), j.getStoredFiles())
}
func testBlockJournalGCd(t *testing.T, j *blockJournal) {
// None of these dirs should exist.
for _, file := range j.blockJournalFiles() {
_, err := ioutil.Stat(file)
require.True(t, ioutil.IsNotExist(err))
}
require.True(t, j.empty())
require.Equal(t, blockAggregateInfo{}, j.aggregateInfo)
}
func goGCForTest(ctx context.Context, t *testing.T, j *blockJournal) (
int64, int64) {
length, earliest, latest, err := j.getDeferredGCRange()
require.NoError(t, err)
if length == 0 {
return 0, 0
}
removedBytes, removedFiles, err := j.doGC(ctx, earliest, latest)
require.NoError(t, err)
_, _, err = j.clearDeferredGCRange(
ctx, removedBytes, removedFiles, earliest, latest)
require.NoError(t, err)
return removedBytes, removedFiles
}
func TestBlockJournalFlush(t *testing.T) {
ctx, cancel, tempdir, log, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put a block.
data := []byte{1, 2, 3, 4}
bID, bCtx, serverHalf := putBlockData(ctx, t, j, data)
// Add some references.
bCtx2 := addBlockRef(ctx, t, j, bID)
bCtx3 := addBlockRef(ctx, t, j, bID)
// Archive one of the references.
err := j.archiveReferences(
ctx, kbfsblock.ContextMap{
bID: {bCtx3},
})
require.NoError(t, err)
blockServer := NewBlockServerMemory(log)
tlfID := tlf.FakeID(1, tlf.Private)
bcache := kbfsdata.NewBlockCacheStandard(0, 0)
reporter := NewReporterSimple(nil, 0)
flush := func() (flushedBytes, removedBytes, removedFiles int64) {
end, err := j.end()
require.NoError(t, err)
if end == 0 {
return 0, 0, 0
}
// Test that the end parameter is respected.
var partialEntries blockEntriesToFlush
var rev kbfsmd.Revision
if end > firstValidJournalOrdinal+1 {
partialEntries, _, rev, err = j.getNextEntriesToFlush(
ctx, end-1, maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, rev, kbfsmd.RevisionUninitialized)
}
entries, b, rev, err := j.getNextEntriesToFlush(ctx, end,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, partialEntries.length()+1, entries.length())
require.Equal(t, rev, kbfsmd.RevisionUninitialized)
err = flushBlockEntries(
ctx, j.log, j.deferLog, blockServer, bcache, reporter,
tlfID, tlf.CanonicalName("fake TLF"), entries, DiskBlockAnyCache)
require.NoError(t, err)
flushedBytes, err = j.removeFlushedEntries(
ctx, entries, tlfID, reporter)
require.NoError(t, err)
require.Equal(t, b, flushedBytes)
removedBytes, removedFiles = goGCForTest(ctx, t, j)
return flushedBytes, removedBytes, removedFiles
}
// Flushing all the reference adds should flush and remove the
// (now-unreferenced) block.
flushedBytes, removedBytes, removedFiles := flush()
require.Equal(t, int64(len(data)), flushedBytes)
require.Equal(t, int64(len(data)), removedBytes)
require.Equal(t, int64(filesPerBlockMax), removedFiles)
// Check the Put.
buf, key, err := blockServer.Get(ctx, tlfID, bID, bCtx, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Check the AddReference.
buf, key, err = blockServer.Get(ctx, tlfID, bID, bCtx2, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Check the archiving.
buf, key, err = blockServer.Get(ctx, tlfID, bID, bCtx3, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Now remove all the references.
liveCounts, err := j.removeReferences(
ctx, kbfsblock.ContextMap{
bID: {bCtx, bCtx2, bCtx3},
})
require.NoError(t, err)
require.Equal(t, map[kbfsblock.ID]int{bID: 0}, liveCounts)
flushedBytes, removedBytes, removedFiles = flush()
require.Equal(t, int64(0), flushedBytes)
require.Equal(t, int64(0), removedBytes)
require.Equal(t, int64(0), removedFiles)
// Check they're all gone.
_, _, err = blockServer.Get(ctx, tlfID, bID, bCtx, DiskBlockAnyCache)
require.IsType(t, kbfsblock.ServerErrorBlockNonExistent{}, err)
_, _, err = blockServer.Get(ctx, tlfID, bID, bCtx2, DiskBlockAnyCache)
require.IsType(t, kbfsblock.ServerErrorBlockNonExistent{}, err)
_, _, err = blockServer.Get(ctx, tlfID, bID, bCtx3, DiskBlockAnyCache)
require.IsType(t, kbfsblock.ServerErrorBlockNonExistent{}, err)
length := j.length()
require.Equal(t, uint64(0), length)
// Make sure the ordinals and blocks are flushed.
testBlockJournalGCd(t, j)
}
func flushBlockJournalOne(ctx context.Context, t *testing.T,
j *blockJournal, blockServer BlockServer,
bcache kbfsdata.BlockCache, reporter Reporter, tlfID tlf.ID) (
flushedBytes, removedFiles, removedBytes int64) {
first, err := j.j.readEarliestOrdinal()
require.NoError(t, err)
entries, b, _, err := j.getNextEntriesToFlush(ctx, first+1,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, 1, entries.length())
err = flushBlockEntries(ctx, j.log, j.deferLog, blockServer,
bcache, reporter, tlfID, tlf.CanonicalName("fake TLF"),
entries, DiskBlockAnyCache)
require.NoError(t, err)
flushedBytes, err = j.removeFlushedEntries(
ctx, entries, tlfID, reporter)
require.NoError(t, err)
require.Equal(t, b, flushedBytes)
removedBytes, removedFiles = goGCForTest(ctx, t, j)
require.NoError(t, err)
err = j.checkInSyncForTest()
require.NoError(t, err)
return flushedBytes, removedBytes, removedFiles
}
func TestBlockJournalFlushInterleaved(t *testing.T) {
ctx, cancel, tempdir, log, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put a block.
data := []byte{1, 2, 3, 4}
bID, bCtx, serverHalf := putBlockData(ctx, t, j, data)
// Add some references.
bCtx2 := addBlockRef(ctx, t, j, bID)
bCtx3 := addBlockRef(ctx, t, j, bID)
// Flush the block put. (Interleave flushes to test
// checkInSync in intermediate states.)
blockServer := NewBlockServerMemory(log)
tlfID := tlf.FakeID(1, tlf.Private)
bcache := kbfsdata.NewBlockCacheStandard(0, 0)
reporter := NewReporterSimple(nil, 0)
flushOne := func() (int64, int64, int64) {
return flushBlockJournalOne(
ctx, t, j, blockServer, bcache, reporter, tlfID)
}
flushedBytes, removedBytes, removedFiles := flushOne()
require.Equal(t, int64(len(data)), flushedBytes)
require.Equal(t, int64(0), removedBytes)
require.Equal(t, int64(0), removedFiles)
buf, key, err := blockServer.Get(ctx, tlfID, bID, bCtx, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Remove some references.
liveCounts, err := j.removeReferences(
ctx, kbfsblock.ContextMap{
bID: {bCtx, bCtx2},
})
require.NoError(t, err)
require.Equal(t, map[kbfsblock.ID]int{bID: 1}, liveCounts)
// Flush the reference adds.
flushOneZero := func() {
flushedBytes, removedBytes, removedFiles := flushOne()
require.Equal(t, int64(0), flushedBytes)
require.Equal(t, int64(0), removedBytes)
require.Equal(t, int64(0), removedFiles)
}
flushOneZero()
buf, key, err = blockServer.Get(ctx, tlfID, bID, bCtx2, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Flushing the last reference add should remove the
// (now-unreferenced) block.
flushedBytes, removedBytes, removedFiles = flushOne()
require.Equal(t, int64(0), flushedBytes)
require.Equal(t, int64(len(data)), removedBytes)
require.Equal(t, int64(filesPerBlockMax), removedFiles)
buf, key, err = blockServer.Get(ctx, tlfID, bID, bCtx3, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Archive the rest.
err = j.archiveReferences(
ctx, kbfsblock.ContextMap{
bID: {bCtx3},
})
require.NoError(t, err)
// Flush the reference removals.
flushOneZero()
_, _, err = blockServer.Get(ctx, tlfID, bID, bCtx, DiskBlockAnyCache)
require.IsType(t, kbfsblock.ServerErrorBlockNonExistent{}, err)
_, _, err = blockServer.Get(ctx, tlfID, bID, bCtx2, DiskBlockAnyCache)
require.IsType(t, kbfsblock.ServerErrorBlockNonExistent{}, err)
buf, key, err = blockServer.Get(ctx, tlfID, bID, bCtx3, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Remove the archived references.
liveCounts, err = j.removeReferences(
ctx, kbfsblock.ContextMap{
bID: {bCtx3},
})
require.NoError(t, err)
require.Equal(t, map[kbfsblock.ID]int{bID: 0}, liveCounts)
// Flush the reference archival.
flushOneZero()
buf, key, err = blockServer.Get(ctx, tlfID, bID, bCtx3, DiskBlockAnyCache)
require.NoError(t, err)
require.Equal(t, data, buf)
require.Equal(t, serverHalf, key)
// Flush the last removal.
flushOneZero()
_, _, err = blockServer.Get(ctx, tlfID, bID, bCtx3, DiskBlockAnyCache)
require.IsType(t, kbfsblock.ServerErrorBlockNonExistent{}, err)
end, err := j.end()
require.NoError(t, err)
entries, b, _, err := j.getNextEntriesToFlush(ctx, end,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, 0, entries.length())
require.Equal(t, int64(0), b)
// Make sure the ordinals and blocks are flushed.
testBlockJournalGCd(t, j)
}
func TestBlockJournalFlushMDRevMarker(t *testing.T) {
ctx, cancel, tempdir, log, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put a block.
data := []byte{1, 2, 3, 4}
putBlockData(ctx, t, j, data)
// Put a revision marker
rev := kbfsmd.Revision(10)
err := j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
blockServer := NewBlockServerMemory(log)
tlfID := tlf.FakeID(1, tlf.Private)
bcache := kbfsdata.NewBlockCacheStandard(0, 0)
reporter := NewReporterSimple(nil, 0)
// Make sure the block journal reports that entries up to `rev`
// can be flushed.
last, err := j.j.readLatestOrdinal()
require.NoError(t, err)
entries, b, gotRev, err := j.getNextEntriesToFlush(ctx, last+1,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, rev, gotRev)
require.Equal(t, 2, entries.length())
err = flushBlockEntries(ctx, j.log, j.deferLog, blockServer,
bcache, reporter, tlfID, tlf.CanonicalName("fake TLF"),
entries, DiskBlockAnyCache)
require.NoError(t, err)
flushedBytes, err := j.removeFlushedEntries(
ctx, entries, tlfID, reporter)
require.NoError(t, err)
require.Equal(t, int64(len(data)), flushedBytes)
require.Equal(t, b, flushedBytes)
removedBytes, removedFiles := goGCForTest(ctx, t, j)
require.NoError(t, err)
require.Equal(t, int64(len(data)), removedBytes)
require.Equal(t, int64(filesPerBlockMax), removedFiles)
err = j.checkInSyncForTest()
require.NoError(t, err)
}
func TestBlockJournalFlushMDRevMarkerForPendingLocalSquash(t *testing.T) {
ctx, cancel, tempdir, log, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put some blocks.
data1 := []byte{1, 2, 3, 4}
_, _, _ = putBlockData(ctx, t, j, data1)
data2 := []byte{5, 6, 7, 8}
id2, _, _ := putBlockData(ctx, t, j, data2)
// Put a revision marker and say it's from a local squash.
rev := kbfsmd.Revision(10)
err := j.markMDRevision(ctx, rev, kbfsmd.ID{}, true)
require.NoError(t, err)
// Do another, that isn't from a local squash.
data3 := []byte{9, 10, 11, 12}
id3, _, _ := putBlockData(ctx, t, j, data3)
data4 := []byte{13, 14, 15, 16}
_, _, _ = putBlockData(ctx, t, j, data4)
rev++
err = j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
ignoredBytes, err := j.ignoreBlocksAndMDRevMarkers(
ctx, []kbfsblock.ID{id2, id3}, rev)
require.NoError(t, err)
require.Equal(t, int64(len(data2)+len(data3)), ignoredBytes)
blockServer := NewBlockServerMemory(log)
tlfID := tlf.FakeID(1, tlf.Private)
bcache := kbfsdata.NewBlockCacheStandard(0, 0)
reporter := NewReporterSimple(nil, 0)
// Make sure the block journal reports that entries up to 10 can
// be flushed; there should only be two blocks left, and one
// revision marker (plus 2 ignored blocks and 1 ignored revision
// marker).
last, err := j.j.readLatestOrdinal()
require.NoError(t, err)
entries, b, gotRev, err := j.getNextEntriesToFlush(ctx, last+1,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, rev-1, gotRev)
require.Equal(t, 6, entries.length())
require.Equal(t, 2, entries.puts.numBlocks())
require.Equal(t, 0, entries.adds.numBlocks())
require.Len(t, entries.other, 4)
err = flushBlockEntries(ctx, j.log, j.deferLog, blockServer,
bcache, reporter, tlfID, tlf.CanonicalName("fake TLF"),
entries, DiskBlockAnyCache)
require.NoError(t, err)
flushedBytes, err := j.removeFlushedEntries(
ctx, entries, tlfID, reporter)
require.NoError(t, err)
require.Equal(t, int64(len(data1)+len(data4)), flushedBytes)
require.Equal(t, b, flushedBytes)
removedBytes, removedFiles := goGCForTest(ctx, t, j)
require.NoError(t, err)
require.Equal(t, int64(len(data1)+len(data2)+len(data3)+len(data4)),
removedBytes)
require.Equal(t, int64(4*filesPerBlockMax), removedFiles)
err = j.checkInSyncForTest()
require.NoError(t, err)
}
func TestBlockJournalIgnoreBlocks(t *testing.T) {
ctx, cancel, tempdir, log, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put a few blocks
data1 := []byte{1, 2, 3}
bID1, _, _ := putBlockData(ctx, t, j, data1)
// Put a revision marker
rev := kbfsmd.Revision(9)
firstRev := rev
err := j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
data2 := []byte{4, 5, 6, 7}
bID2, _, _ := putBlockData(ctx, t, j, data2)
// Put a revision marker
rev = kbfsmd.Revision(10)
err = j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
data3 := []byte{8, 9, 10, 11, 12}
bID3, _, _ := putBlockData(ctx, t, j, data3)
data4 := []byte{13, 14, 15, 16, 17, 18}
bID4, _, _ := putBlockData(ctx, t, j, data4)
// Put a revision marker
rev = kbfsmd.Revision(11)
err = j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
ignoredBytes, err := j.ignoreBlocksAndMDRevMarkers(
ctx, []kbfsblock.ID{bID2, bID3}, firstRev)
require.NoError(t, err)
require.Equal(t, int64(len(data2)+len(data3)), ignoredBytes)
blockServer := NewBlockServerMemory(log)
tlfID := tlf.FakeID(1, tlf.Private)
bcache := kbfsdata.NewBlockCacheStandard(0, 0)
reporter := NewReporterSimple(nil, 0)
// Flush and make sure we only flush the non-ignored blocks.
last, err := j.j.readLatestOrdinal()
require.NoError(t, err)
entries, b, gotRev, err := j.getNextEntriesToFlush(ctx, last+1,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, kbfsmd.RevisionUninitialized, gotRev)
require.Equal(t, 7, entries.length())
require.Equal(t, 2, entries.puts.numBlocks())
require.Equal(t, 0, entries.adds.numBlocks())
require.Len(t, entries.other, 5)
ptrs := entries.puts.Ptrs()
ids := make([]kbfsblock.ID, len(ptrs))
for i, ptr := range ptrs {
ids[i] = ptr.ID
}
require.Contains(t, ids, bID1)
require.Contains(t, ids, bID4)
err = flushBlockEntries(ctx, j.log, j.deferLog, blockServer,
bcache, reporter, tlfID, tlf.CanonicalName("fake TLF"),
entries, DiskBlockAnyCache)
require.NoError(t, err)
flushedBytes, err := j.removeFlushedEntries(
ctx, entries, tlfID, reporter)
require.NoError(t, err)
require.Equal(t, int64(len(data1)+len(data4)), flushedBytes)
require.Equal(t, b, flushedBytes)
// Flush everything.
removedBytes, removedFiles := goGCForTest(ctx, t, j)
require.NoError(t, err)
require.Equal(t, int64(len(data1)+len(data2)+len(data3)+len(data4)),
removedBytes)
require.Equal(t, int64(4*filesPerBlockMax), removedFiles)
err = j.checkInSyncForTest()
require.NoError(t, err)
}
func TestBlockJournalSaveUntilMDFlush(t *testing.T) {
ctx, cancel, tempdir, log, j := setupBlockJournalTest(t)
defer teardownBlockJournalTest(ctx, t, cancel, tempdir, j)
// Put a few blocks
data1 := []byte{1, 2, 3, 4}
bID1, _, _ := putBlockData(ctx, t, j, data1)
data2 := []byte{5, 6, 7, 8}
bID2, _, _ := putBlockData(ctx, t, j, data2)
// Put a revision marker
rev := kbfsmd.Revision(10)
err := j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
data3 := []byte{9, 10, 11, 12}
bID3, _, _ := putBlockData(ctx, t, j, data3)
data4 := []byte{13, 14, 15, 16}
bID4, _, _ := putBlockData(ctx, t, j, data4)
// Put a revision marker
rev = kbfsmd.Revision(11)
err = j.markMDRevision(ctx, rev, kbfsmd.ID{}, false)
require.NoError(t, err)
savedBlocks := []kbfsblock.ID{bID1, bID2, bID3, bID4}
blockServer := NewBlockServerMemory(log)
tlfID := tlf.FakeID(1, tlf.Private)
bcache := kbfsdata.NewBlockCacheStandard(0, 0)
reporter := NewReporterSimple(nil, 0)
// Flush all the entries, but they should still remain accessible.
flushAll := func() int64 {
last, err := j.j.readLatestOrdinal()
require.NoError(t, err)
entries, b, _, err := j.getNextEntriesToFlush(ctx, last+1,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
err = flushBlockEntries(ctx, j.log, j.deferLog, blockServer,
bcache, reporter, tlfID, tlf.CanonicalName("fake TLF"),
entries, DiskBlockAnyCache)
require.NoError(t, err)
flushedBytes, err := j.removeFlushedEntries(
ctx, entries, tlfID, reporter)
require.NoError(t, err)
require.Equal(t, b, flushedBytes)
return flushedBytes
}
flushedBytes := flushAll()
require.Equal(t, int64(len(data1)+len(data2)+len(data3)+len(data4)),
flushedBytes)
// The blocks can still be fetched from the journal.
for _, bid := range savedBlocks {
ok, err := j.hasData(ctx, bid)
require.NoError(t, err)
require.True(t, ok)
}
// No more blocks to flush though.
end, err := j.end()
require.NoError(t, err)
entries, b, gotRev, err := j.getNextEntriesToFlush(ctx, end,
maxJournalBlockFlushBatchSize, kbfsmd.ID{})
require.NoError(t, err)
require.Equal(t, 0, entries.length())
require.Equal(t, kbfsmd.RevisionUninitialized, gotRev)
require.Equal(t, int64(0), b)
// Add a few more blocks and save those too.
data5 := []byte{17, 18, 19, 20}
bID5, _, _ := putBlockData(ctx, t, j, data5)
data6 := []byte{21, 22, 23, 24}
bID6, _, _ := putBlockData(ctx, t, j, data6)
savedBlocks = append(savedBlocks, bID5, bID6)
flushedBytes = flushAll()
require.Equal(t, int64(len(data5)+len(data6)), flushedBytes)
// Make sure all the blocks still exist, including both the old
// and the new ones.
for _, bid := range savedBlocks {
ok, err := j.hasData(ctx, bid)
require.NoError(t, err)
require.True(t, ok)
}
// Now remove all the data.
var expectedBytes int64
var expectedFiles int64
for i := 0; i < len(savedBlocks)-1+2; i++ {
if i%3 != 2 {
expectedBytes += 4