mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-11 02:35:18 +00:00
602 lines
18 KiB
Go
602 lines
18 KiB
Go
// Copyright 2023 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package objstorageprovider
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import (
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"context"
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"fmt"
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"math/rand"
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"strings"
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"sync"
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"testing"
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"github.com/cockroachdb/datadriven"
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"github.com/cockroachdb/pebble/internal/base"
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"github.com/cockroachdb/pebble/objstorage"
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"github.com/cockroachdb/pebble/objstorage/remote"
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"github.com/cockroachdb/pebble/vfs"
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"github.com/stretchr/testify/require"
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)
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func TestProvider(t *testing.T) {
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datadriven.Walk(t, "testdata/provider", func(t *testing.T, path string) {
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var log base.InMemLogger
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fs := vfs.WithLogging(vfs.NewMem(), func(fmt string, args ...interface{}) {
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log.Infof("<local fs> "+fmt, args...)
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})
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sharedStore := remote.WithLogging(remote.NewInMem(), func(fmt string, args ...interface{}) {
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log.Infof("<remote> "+fmt, args...)
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})
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sharedFactory := remote.MakeSimpleFactory(map[remote.Locator]remote.Storage{
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"": sharedStore,
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})
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tmpFileCounter := 0
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providers := make(map[string]objstorage.Provider)
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// We maintain both backings and backing handles to allow tests to use the
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// backings after the handles have been closed.
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backings := make(map[string]objstorage.RemoteObjectBacking)
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backingHandles := make(map[string]objstorage.RemoteObjectBackingHandle)
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var curProvider objstorage.Provider
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datadriven.RunTest(t, path, func(t *testing.T, d *datadriven.TestData) string {
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scanArgs := func(desc string, args ...interface{}) {
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t.Helper()
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if len(d.CmdArgs) != len(args) {
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d.Fatalf(t, "usage: %s %s", d.Cmd, desc)
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}
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for i := range args {
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_, err := fmt.Sscan(d.CmdArgs[i].String(), args[i])
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if err != nil {
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d.Fatalf(t, "%s: error parsing argument '%s'", d.Cmd, d.CmdArgs[i])
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}
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}
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}
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ctx := context.Background()
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log.Reset()
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switch d.Cmd {
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case "open":
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var fsDir string
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var creatorID objstorage.CreatorID
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scanArgs("<fs-dir> <remote-creator-id>", &fsDir, &creatorID)
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st := DefaultSettings(fs, fsDir)
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if creatorID != 0 {
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st.Remote.StorageFactory = sharedFactory
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st.Remote.CreateOnShared = remote.CreateOnSharedAll
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st.Remote.CreateOnSharedLocator = ""
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}
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require.NoError(t, fs.MkdirAll(fsDir, 0755))
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p, err := Open(st)
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require.NoError(t, err)
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if creatorID != 0 {
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require.NoError(t, p.SetCreatorID(creatorID))
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}
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// Checking refs on open affects the test output. We don't want tests to
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// only pass when the `invariants` tag is used, so unconditionally
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// enable ref checking on open.
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p.(*provider).remote.shared.checkRefsOnOpen = true
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providers[fsDir] = p
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curProvider = p
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return log.String()
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case "switch":
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var fsDir string
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scanArgs("<fs-dir>", &fsDir)
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curProvider = providers[fsDir]
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if curProvider == nil {
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t.Fatalf("unknown provider %s", fsDir)
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}
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return ""
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case "close":
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require.NoError(t, curProvider.Sync())
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require.NoError(t, curProvider.Close())
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delete(providers, curProvider.(*provider).st.FSDirName)
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curProvider = nil
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return log.String()
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case "create":
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opts := objstorage.CreateOptions{
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SharedCleanupMethod: objstorage.SharedRefTracking,
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}
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if len(d.CmdArgs) == 5 && d.CmdArgs[4].Key == "no-ref-tracking" {
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d.CmdArgs = d.CmdArgs[:4]
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opts.SharedCleanupMethod = objstorage.SharedNoCleanup
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}
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var fileNum base.FileNum
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var typ string
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var salt, size int
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scanArgs("<file-num> <local|shared> <salt> <size> [no-ref-tracking]", &fileNum, &typ, &salt, &size)
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switch typ {
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case "local":
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case "shared":
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opts.PreferSharedStorage = true
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default:
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d.Fatalf(t, "'%s' should be 'local' or 'shared'", typ)
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}
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w, _, err := curProvider.Create(ctx, base.FileTypeTable, fileNum.DiskFileNum(), opts)
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if err != nil {
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return err.Error()
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}
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data := make([]byte, size)
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// TODO(radu): write in chunks?
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genData(byte(salt), 0, data)
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require.NoError(t, w.Write(data))
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require.NoError(t, w.Finish())
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return log.String()
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case "link-or-copy":
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opts := objstorage.CreateOptions{
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SharedCleanupMethod: objstorage.SharedRefTracking,
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}
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if len(d.CmdArgs) == 5 && d.CmdArgs[4].Key == "no-ref-tracking" {
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d.CmdArgs = d.CmdArgs[:4]
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opts.SharedCleanupMethod = objstorage.SharedNoCleanup
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}
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var fileNum base.FileNum
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var typ string
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var salt, size int
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scanArgs("<file-num> <local|shared> <salt> <size> [no-ref-tracking]", &fileNum, &typ, &salt, &size)
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switch typ {
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case "local":
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case "shared":
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opts.PreferSharedStorage = true
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default:
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d.Fatalf(t, "'%s' should be 'local' or 'shared'", typ)
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}
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tmpFileCounter++
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tmpFilename := fmt.Sprintf("temp-file-%d", tmpFileCounter)
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f, err := fs.Create(tmpFilename)
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require.NoError(t, err)
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data := make([]byte, size)
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genData(byte(salt), 0, data)
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n, err := f.Write(data)
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require.Equal(t, len(data), n)
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require.NoError(t, err)
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require.NoError(t, f.Close())
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_, err = curProvider.LinkOrCopyFromLocal(
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ctx, fs, tmpFilename, base.FileTypeTable, fileNum.DiskFileNum(), opts,
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)
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require.NoError(t, err)
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return log.String()
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case "read":
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forCompaction := false
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if len(d.CmdArgs) == 2 && d.CmdArgs[1].Key == "for-compaction" {
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d.CmdArgs = d.CmdArgs[:1]
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forCompaction = true
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}
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var fileNum base.FileNum
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scanArgs("<file-num> [for-compaction]", &fileNum)
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r, err := curProvider.OpenForReading(ctx, base.FileTypeTable, fileNum.DiskFileNum(), objstorage.OpenOptions{})
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if err != nil {
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return err.Error()
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}
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rh := r.NewReadHandle(ctx)
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if forCompaction {
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rh.SetupForCompaction()
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}
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log.Infof("size: %d", r.Size())
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for _, l := range strings.Split(d.Input, "\n") {
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var offset, size int
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fmt.Sscanf(l, "%d %d", &offset, &size)
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data := make([]byte, size)
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err := rh.ReadAt(ctx, data, int64(offset))
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if err != nil {
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log.Infof("%d %d: %v", offset, size, err)
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} else {
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salt := checkData(t, offset, data)
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log.Infof("%d %d: ok (salt %d)", offset, size, salt)
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}
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}
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require.NoError(t, rh.Close())
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require.NoError(t, r.Close())
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return log.String()
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case "remove":
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var fileNum base.FileNum
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scanArgs("<file-num>", &fileNum)
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if err := curProvider.Remove(base.FileTypeTable, fileNum.DiskFileNum()); err != nil {
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return err.Error()
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}
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return log.String()
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case "list":
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for _, meta := range curProvider.List() {
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log.Infof("%s -> %s", meta.DiskFileNum, curProvider.Path(meta))
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}
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return log.String()
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case "save-backing":
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var key string
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var fileNum base.FileNum
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scanArgs("<key> <file-num>", &key, &fileNum)
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meta, err := curProvider.Lookup(base.FileTypeTable, fileNum.DiskFileNum())
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require.NoError(t, err)
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handle, err := curProvider.RemoteObjectBacking(&meta)
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if err != nil {
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return err.Error()
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}
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backing, err := handle.Get()
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require.NoError(t, err)
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backings[key] = backing
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backingHandles[key] = handle
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return log.String()
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case "close-backing":
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var key string
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scanArgs("<key>", &key)
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backingHandles[key].Close()
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return ""
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case "attach":
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lines := strings.Split(d.Input, "\n")
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if len(lines) == 0 {
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d.Fatalf(t, "at least one row expected; format: <key> <file-num>")
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}
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var objs []objstorage.RemoteObjectToAttach
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for _, l := range lines {
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var key string
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var fileNum base.FileNum
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_, err := fmt.Sscan(l, &key, &fileNum)
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require.NoError(t, err)
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b, ok := backings[key]
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if !ok {
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d.Fatalf(t, "unknown backing key %q", key)
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}
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objs = append(objs, objstorage.RemoteObjectToAttach{
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FileType: base.FileTypeTable,
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FileNum: fileNum.DiskFileNum(),
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Backing: b,
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})
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}
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metas, err := curProvider.AttachRemoteObjects(objs)
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if err != nil {
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return log.String() + "error: " + err.Error()
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}
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for _, meta := range metas {
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log.Infof("%s -> %s", meta.DiskFileNum, curProvider.Path(meta))
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}
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return log.String()
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default:
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d.Fatalf(t, "unknown command %s", d.Cmd)
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return ""
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}
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})
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})
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}
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func TestSharedMultipleLocators(t *testing.T) {
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ctx := context.Background()
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stores := map[remote.Locator]remote.Storage{
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"foo": remote.NewInMem(),
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"bar": remote.NewInMem(),
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}
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sharedFactory := remote.MakeSimpleFactory(stores)
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st1 := DefaultSettings(vfs.NewMem(), "")
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st1.Remote.StorageFactory = sharedFactory
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st1.Remote.CreateOnShared = remote.CreateOnSharedAll
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st1.Remote.CreateOnSharedLocator = "foo"
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p1, err := Open(st1)
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require.NoError(t, err)
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require.NoError(t, p1.SetCreatorID(1))
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st2 := DefaultSettings(vfs.NewMem(), "")
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st2.Remote.StorageFactory = sharedFactory
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st2.Remote.CreateOnShared = remote.CreateOnSharedAll
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st2.Remote.CreateOnSharedLocator = "bar"
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p2, err := Open(st2)
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require.NoError(t, err)
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require.NoError(t, p2.SetCreatorID(2))
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file1 := base.FileNum(1).DiskFileNum()
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file2 := base.FileNum(2).DiskFileNum()
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for i, provider := range []objstorage.Provider{p1, p2} {
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w, _, err := provider.Create(ctx, base.FileTypeTable, file1, objstorage.CreateOptions{
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PreferSharedStorage: true,
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})
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require.NoError(t, err)
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data := make([]byte, 100)
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genData(byte(i), 0, data)
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require.NoError(t, w.Write(data))
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require.NoError(t, w.Finish())
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}
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// checkObjects reads the given object and verifies the data matches the salt.
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checkObject := func(p objstorage.Provider, fileNum base.DiskFileNum, salt byte) {
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t.Helper()
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r, err := p.OpenForReading(ctx, base.FileTypeTable, fileNum, objstorage.OpenOptions{})
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require.NoError(t, err)
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data := make([]byte, r.Size())
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require.NoError(t, r.ReadAt(ctx, data, 0))
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r.Close()
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require.Equal(t, salt, checkData(t, 0, data))
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}
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// Now attach p1's object (in the "foo" store) to p2.
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meta1, err := p1.Lookup(base.FileTypeTable, file1)
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require.NoError(t, err)
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h1, err := p1.RemoteObjectBacking(&meta1)
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require.NoError(t, err)
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b1, err := h1.Get()
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require.NoError(t, err)
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_, err = p2.AttachRemoteObjects([]objstorage.RemoteObjectToAttach{{
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FileNum: file2,
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FileType: base.FileTypeTable,
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Backing: b1,
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}})
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require.NoError(t, err)
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// Close the handle from which we obtained b1.
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h1.Close()
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checkObject(p2, file2, 0)
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// Now attach p2's object (in the "bar" store) to p1.
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meta2, err := p2.Lookup(base.FileTypeTable, file1)
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require.NoError(t, err)
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h2, err := p2.RemoteObjectBacking(&meta2)
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require.NoError(t, err)
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b2, err := h2.Get()
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require.NoError(t, err)
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_, err = p1.AttachRemoteObjects([]objstorage.RemoteObjectToAttach{{
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FileNum: file2,
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FileType: base.FileTypeTable,
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Backing: b2,
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}})
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require.NoError(t, err)
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// Close the handle from which we obtained b2.
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h2.Close()
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checkObject(p1, file2, 1)
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// Check that the object still works after close/reopen.
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require.NoError(t, p1.Close())
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p1, err = Open(st1)
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require.NoError(t, err)
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checkObject(p1, file2, 1)
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require.NoError(t, p1.Close())
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require.NoError(t, p2.Close())
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// Try to attach an object to a provider that doesn't recognize the locator.
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st3 := DefaultSettings(vfs.NewMem(), "")
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st3.Remote.StorageFactory = remote.MakeSimpleFactory(nil)
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p3, err := Open(st3)
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require.NoError(t, err)
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require.NoError(t, p3.SetCreatorID(3))
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_, err = p3.AttachRemoteObjects([]objstorage.RemoteObjectToAttach{{
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FileNum: file2,
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FileType: base.FileTypeTable,
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Backing: b2,
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}})
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require.Error(t, err)
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require.NoError(t, p3.Close())
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}
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func TestAttachCustomObject(t *testing.T) {
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ctx := context.Background()
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storage := remote.NewInMem()
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sharedFactory := remote.MakeSimpleFactory(map[remote.Locator]remote.Storage{
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"foo": storage,
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})
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st1 := DefaultSettings(vfs.NewMem(), "")
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st1.Remote.StorageFactory = sharedFactory
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p1, err := Open(st1)
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require.NoError(t, err)
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defer p1.Close()
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require.NoError(t, p1.SetCreatorID(1))
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w, err := storage.CreateObject("some-obj-name")
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require.NoError(t, err)
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data := make([]byte, 100)
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genData(123, 0, data)
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_, err = w.Write(data)
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require.NoError(t, err)
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require.NoError(t, w.Close())
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backing, err := p1.CreateExternalObjectBacking("foo", "some-obj-name")
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require.NoError(t, err)
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_, err = p1.AttachRemoteObjects([]objstorage.RemoteObjectToAttach{{
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FileNum: base.FileNum(1).DiskFileNum(),
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FileType: base.FileTypeTable,
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Backing: backing,
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}})
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require.NoError(t, err)
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// Verify the provider can read the object.
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r, err := p1.OpenForReading(ctx, base.FileTypeTable, base.FileNum(1).DiskFileNum(), objstorage.OpenOptions{})
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require.NoError(t, err)
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require.Equal(t, int64(len(data)), r.Size())
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buf := make([]byte, r.Size())
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require.NoError(t, r.ReadAt(ctx, buf, 0))
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require.Equal(t, byte(123), checkData(t, 0, buf))
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require.NoError(t, r.Close())
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// Verify that we can extract a correct backing from this provider and attach
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// the object to another provider.
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meta, err := p1.Lookup(base.FileTypeTable, base.FileNum(1).DiskFileNum())
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require.NoError(t, err)
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handle, err := p1.RemoteObjectBacking(&meta)
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require.NoError(t, err)
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defer handle.Close()
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backing, err = handle.Get()
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require.NoError(t, err)
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st2 := DefaultSettings(vfs.NewMem(), "")
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st2.Remote.StorageFactory = sharedFactory
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p2, err := Open(st2)
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require.NoError(t, err)
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defer p2.Close()
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require.NoError(t, p2.SetCreatorID(2))
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_, err = p2.AttachRemoteObjects([]objstorage.RemoteObjectToAttach{{
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FileNum: base.FileNum(10).DiskFileNum(),
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FileType: base.FileTypeTable,
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Backing: backing,
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}})
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require.NoError(t, err)
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// Verify the provider can read the object.
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r, err = p2.OpenForReading(ctx, base.FileTypeTable, base.FileNum(10).DiskFileNum(), objstorage.OpenOptions{})
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require.NoError(t, err)
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require.Equal(t, int64(len(data)), r.Size())
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buf = make([]byte, r.Size())
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require.NoError(t, r.ReadAt(ctx, buf, 0))
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require.Equal(t, byte(123), checkData(t, 0, buf))
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require.NoError(t, r.Close())
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}
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func TestNotExistError(t *testing.T) {
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fs := vfs.NewMem()
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st := DefaultSettings(fs, "")
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sharedStorage := remote.NewInMem()
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st.Remote.StorageFactory = remote.MakeSimpleFactory(map[remote.Locator]remote.Storage{
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"": sharedStorage,
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})
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st.Remote.CreateOnShared = remote.CreateOnSharedAll
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st.Remote.CreateOnSharedLocator = ""
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provider, err := Open(st)
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require.NoError(t, err)
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require.NoError(t, provider.SetCreatorID(1))
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for i, shared := range []bool{false, true} {
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fileNum := base.FileNum(1 + i).DiskFileNum()
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name := "local"
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if shared {
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name = "remote"
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}
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t.Run(name, func(t *testing.T) {
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|
// Removing or opening an object that the provider doesn't know anything
|
|
// about should return a not-exist error.
|
|
err := provider.Remove(base.FileTypeTable, fileNum)
|
|
require.True(t, provider.IsNotExistError(err))
|
|
_, err = provider.OpenForReading(context.Background(), base.FileTypeTable, fileNum, objstorage.OpenOptions{})
|
|
require.True(t, provider.IsNotExistError(err))
|
|
|
|
w, _, err := provider.Create(context.Background(), base.FileTypeTable, fileNum, objstorage.CreateOptions{
|
|
PreferSharedStorage: shared,
|
|
})
|
|
require.NoError(t, err)
|
|
require.NoError(t, w.Write([]byte("foo")))
|
|
require.NoError(t, w.Finish())
|
|
|
|
// Remove the underlying file or object.
|
|
if !shared {
|
|
require.NoError(t, fs.Remove(base.MakeFilename(base.FileTypeTable, fileNum)))
|
|
} else {
|
|
meta, err := provider.Lookup(base.FileTypeTable, fileNum)
|
|
require.NoError(t, err)
|
|
require.NoError(t, sharedStorage.Delete(remoteObjectName(meta)))
|
|
}
|
|
|
|
_, err = provider.OpenForReading(context.Background(), base.FileTypeTable, fileNum, objstorage.OpenOptions{})
|
|
require.True(t, provider.IsNotExistError(err))
|
|
|
|
// It's acceptable for Remove to return a not-exist error, or no error at all.
|
|
if err := provider.Remove(base.FileTypeTable, fileNum); err != nil {
|
|
require.True(t, provider.IsNotExistError(err))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// genData generates object data that can be checked later with checkData.
|
|
func genData(salt byte, offset int, p []byte) {
|
|
for i := range p {
|
|
p[i] = salt ^ xor(offset+i)
|
|
}
|
|
}
|
|
|
|
func checkData(t *testing.T, offset int, p []byte) (salt byte) {
|
|
t.Helper()
|
|
salt = p[0] ^ xor(offset)
|
|
for i := range p {
|
|
if p[i]^xor(offset+i) != salt {
|
|
t.Fatalf("invalid data")
|
|
}
|
|
}
|
|
return salt
|
|
}
|
|
|
|
// xor returns the XOR of all bytes representing the integer.
|
|
func xor(n int) byte {
|
|
v := uint64(n)
|
|
v ^= v >> 32
|
|
v ^= v >> 16
|
|
v ^= v >> 8
|
|
return byte(v)
|
|
}
|
|
|
|
// TestParallelSync checks that multiple goroutines can create and delete
|
|
// objects and sync in parallel.
|
|
func TestParallelSync(t *testing.T) {
|
|
for _, shared := range []bool{false, true} {
|
|
name := "local"
|
|
if shared {
|
|
name = "shared"
|
|
}
|
|
t.Run(name, func(t *testing.T) {
|
|
st := DefaultSettings(vfs.NewMem(), "")
|
|
st.Remote.StorageFactory = remote.MakeSimpleFactory(map[remote.Locator]remote.Storage{
|
|
"": remote.NewInMem(),
|
|
})
|
|
|
|
st.Remote.CreateOnShared = remote.CreateOnSharedAll
|
|
st.Remote.CreateOnSharedLocator = ""
|
|
p, err := Open(st)
|
|
require.NoError(t, err)
|
|
require.NoError(t, p.SetCreatorID(1))
|
|
|
|
const numGoroutines = 4
|
|
const numOps = 100
|
|
var wg sync.WaitGroup
|
|
for n := 0; n < numGoroutines; n++ {
|
|
wg.Add(1)
|
|
go func(startNum int, shared bool) {
|
|
defer wg.Done()
|
|
rng := rand.New(rand.NewSource(int64(startNum)))
|
|
for i := 0; i < numOps; i++ {
|
|
num := base.FileNum(startNum + i).DiskFileNum()
|
|
w, _, err := p.Create(context.Background(), base.FileTypeTable, num, objstorage.CreateOptions{
|
|
PreferSharedStorage: shared,
|
|
})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if err := w.Finish(); err != nil {
|
|
panic(err)
|
|
}
|
|
if rng.Intn(2) == 0 {
|
|
if err := p.Sync(); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
if err := p.Remove(base.FileTypeTable, num); err != nil {
|
|
panic(err)
|
|
}
|
|
if rng.Intn(2) == 0 {
|
|
if err := p.Sync(); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
}
|
|
}(numOps*(n+1), shared)
|
|
}
|
|
wg.Wait()
|
|
})
|
|
}
|
|
}
|