Source code

Revision control

Other Tools

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "IDBIndex.h"
#include "IDBCursorType.h"
#include "IDBDatabase.h"
#include "IDBEvents.h"
#include "IDBKeyRange.h"
#include "IDBObjectStore.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseInlines.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
// Include this last to avoid path problems on Windows.
#include "ActorsChild.h"
namespace mozilla {
namespace dom {
using namespace mozilla::dom::indexedDB;
namespace {
MovingNotNull<RefPtr<IDBRequest>> GenerateRequest(JSContext* aCx,
IDBIndex* aIndex) {
MOZ_ASSERT(aIndex);
aIndex->AssertIsOnOwningThread();
auto transaction = aIndex->ObjectStore()->AcquireTransaction();
auto* const database = transaction->Database();
return IDBRequest::Create(aCx, aIndex, database, std::move(transaction));
}
} // namespace
IDBIndex::IDBIndex(IDBObjectStore* aObjectStore, const IndexMetadata* aMetadata)
: mObjectStore(aObjectStore),
mCachedKeyPath(JS::UndefinedValue()),
mMetadata(aMetadata),
mId(aMetadata->id()),
mRooted(false) {
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
MOZ_ASSERT(aMetadata);
}
IDBIndex::~IDBIndex() {
AssertIsOnOwningThread();
if (mRooted) {
mCachedKeyPath.setUndefined();
mozilla::DropJSObjects(this);
}
}
RefPtr<IDBIndex> IDBIndex::Create(IDBObjectStore* aObjectStore,
const IndexMetadata& aMetadata) {
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
return new IDBIndex(aObjectStore, &aMetadata);
}
#ifdef DEBUG
void IDBIndex::AssertIsOnOwningThread() const {
MOZ_ASSERT(mObjectStore);
mObjectStore->AssertIsOnOwningThread();
}
#endif // DEBUG
RefPtr<IDBRequest> IDBIndex::OpenCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx, aRange, aDirection,
aRv);
}
RefPtr<IDBRequest> IDBIndex::OpenKeyCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ true, aCx, aRange, aDirection, aRv);
}
RefPtr<IDBRequest> IDBIndex::Get(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ false, aCx, aKey, aRv);
}
RefPtr<IDBRequest> IDBIndex::GetKey(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ true, aCx, aKey, aRv);
}
RefPtr<IDBRequest> IDBIndex::GetAll(JSContext* aCx, JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ false, aCx, aKey, aLimit, aRv);
}
RefPtr<IDBRequest> IDBIndex::GetAllKeys(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ true, aCx, aKey, aLimit, aRv);
}
void IDBIndex::RefreshMetadata(bool aMayDelete) {
AssertIsOnOwningThread();
MOZ_ASSERT_IF(mDeletedMetadata, mMetadata == mDeletedMetadata.get());
const auto& indexes = mObjectStore->Spec().indexes();
const auto foundIt = std::find_if(
indexes.cbegin(), indexes.cend(),
[id = Id()](const auto& metadata) { return metadata.id() == id; });
const bool found = foundIt != indexes.cend();
MOZ_ASSERT_IF(!aMayDelete && !mDeletedMetadata, found);
if (found) {
mMetadata = &*foundIt;
MOZ_ASSERT(mMetadata != mDeletedMetadata.get());
mDeletedMetadata = nullptr;
} else {
NoteDeletion();
}
}
void IDBIndex::NoteDeletion() {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
MOZ_ASSERT(Id() == mMetadata->id());
if (mDeletedMetadata) {
MOZ_ASSERT(mMetadata == mDeletedMetadata.get());
return;
}
mDeletedMetadata = MakeUnique<IndexMetadata>(*mMetadata);
mMetadata = mDeletedMetadata.get();
}
const nsString& IDBIndex::Name() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->name();
}
void IDBIndex::SetName(const nsAString& aName, ErrorResult& aRv) {
AssertIsOnOwningThread();
const auto& transaction = mObjectStore->TransactionRef();
if (transaction.GetMode() != IDBTransaction::Mode::VersionChange ||
mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
if (!transaction.IsActive()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
if (aName == mMetadata->name()) {
return;
}
// Cache logging string of this index before renaming.
const LoggingString loggingOldIndex(this);
const int64_t indexId = Id();
nsresult rv =
transaction.Database()->RenameIndex(mObjectStore->Id(), indexId, aName);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"rename(%s)",
"IDBIndex.rename(%.0s%.0s%.0s%.0s%.0s)",
transaction.LoggingSerialNumber(), requestSerialNumber,
IDB_LOG_STRINGIFY(transaction.Database()), IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore), loggingOldIndex.get(),
IDB_LOG_STRINGIFY(this));
mObjectStore->MutableTransactionRef().RenameIndex(mObjectStore, indexId,
aName);
}
bool IDBIndex::Unique() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->unique();
}
bool IDBIndex::MultiEntry() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->multiEntry();
}
bool IDBIndex::LocaleAware() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->locale().IsEmpty();
}
const indexedDB::KeyPath& IDBIndex::GetKeyPath() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->keyPath();
}
void IDBIndex::GetLocale(nsString& aLocale) const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
if (mMetadata->locale().IsEmpty()) {
SetDOMStringToNull(aLocale);
} else {
CopyASCIItoUTF16(mMetadata->locale(), aLocale);
}
}
const nsCString& IDBIndex::Locale() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->locale();
}
bool IDBIndex::IsAutoLocale() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->autoLocale();
}
nsIGlobalObject* IDBIndex::GetParentObject() const {
AssertIsOnOwningThread();
return mObjectStore->GetParentObject();
}
void IDBIndex::GetKeyPath(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (!mCachedKeyPath.isUndefined()) {
MOZ_ASSERT(mRooted);
aResult.set(mCachedKeyPath);
return;
}
MOZ_ASSERT(!mRooted);
aRv = GetKeyPath().ToJSVal(aCx, mCachedKeyPath);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (mCachedKeyPath.isGCThing()) {
mozilla::HoldJSObjects(this);
mRooted = true;
}
aResult.set(mCachedKeyPath);
}
RefPtr<IDBRequest> IDBIndex::GetInternal(bool aKeyOnly, JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
const auto& transaction = mObjectStore->TransactionRef();
if (!transaction.IsActive()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, &keyRange, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
if (!keyRange) {
// Must specify a key or keyRange for get() and getKey().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_KEY_ERR);
return nullptr;
}
const int64_t objectStoreId = mObjectStore->Id();
const int64_t indexId = Id();
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
RequestParams params;
if (aKeyOnly) {
params = IndexGetKeyParams(objectStoreId, indexId, serializedKeyRange);
} else {
params = IndexGetParams(objectStoreId, indexId, serializedKeyRange);
}
auto request = GenerateRequest(aCx, this).unwrap();
if (aKeyOnly) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"getKey(%s)",
"IDBIndex.getKey(%.0s%.0s%.0s%.0s%.0s)",
transaction.LoggingSerialNumber(), request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange));
} else {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"get(%s)",
"IDBIndex.get(%.0s%.0s%.0s%.0s%.0s)", transaction.LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange));
}
auto& mutableTransaction = mObjectStore->MutableTransactionRef();
// TODO: This is necessary to preserve request ordering only. Proper
// sequencing of requests should be done in a more sophisticated manner that
// doesn't require invalidating cursor caches (Bug 1580499).
mutableTransaction.InvalidateCursorCaches();
mutableTransaction.StartRequest(request, params);
return request;
}
RefPtr<IDBRequest> IDBIndex::GetAllInternal(bool aKeysOnly, JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
const auto& transaction = mObjectStore->TransactionRef();
if (!transaction.IsActive()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, &keyRange, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
const int64_t objectStoreId = mObjectStore->Id();
const int64_t indexId = Id();
Maybe<SerializedKeyRange> optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange.emplace(serializedKeyRange);
}
const uint32_t limit = aLimit.WasPassed() ? aLimit.Value() : 0;
const auto& params =
aKeysOnly ? RequestParams{IndexGetAllKeysParams(objectStoreId, indexId,
optionalKeyRange, limit)}
: RequestParams{IndexGetAllParams(objectStoreId, indexId,
optionalKeyRange, limit)};
auto request = GenerateRequest(aCx, this).unwrap();
if (aKeysOnly) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"getAllKeys(%s, %s)",
"IDBIndex.getAllKeys(%.0s%.0s%.0s%.0s%.0s%.0s)",
transaction.LoggingSerialNumber(), request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aLimit));
} else {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"getAll(%s, %s)",
"IDBIndex.getAll(%.0s%.0s%.0s%.0s%.0s%.0s)",
transaction.LoggingSerialNumber(), request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aLimit));
}
auto& mutableTransaction = mObjectStore->MutableTransactionRef();
// TODO: This is necessary to preserve request ordering only. Proper
// sequencing of requests should be done in a more sophisticated manner that
// doesn't require invalidating cursor caches (Bug 1580499).
mutableTransaction.InvalidateCursorCaches();
mutableTransaction.StartRequest(request, params);
return request;
}
RefPtr<IDBRequest> IDBIndex::OpenCursorInternal(bool aKeysOnly, JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
const auto& transaction = mObjectStore->TransactionRef();
if (!transaction.IsActive()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aRange, &keyRange, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
const int64_t objectStoreId = mObjectStore->Id();
const int64_t indexId = Id();
Maybe<SerializedKeyRange> optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange.emplace(std::move(serializedKeyRange));
}
const CommonIndexOpenCursorParams commonIndexParams = {
{objectStoreId, std::move(optionalKeyRange), aDirection}, indexId};
const auto params =
aKeysOnly ? OpenCursorParams{IndexOpenKeyCursorParams{commonIndexParams}}
: OpenCursorParams{IndexOpenCursorParams{commonIndexParams}};
auto request = GenerateRequest(aCx, this).unwrap();
if (aKeysOnly) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"openKeyCursor(%s, %s)",
"IDBIndex.openKeyCursor(%.0s%.0s%.0s%.0s%.0s%.0s)",
transaction.LoggingSerialNumber(), request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aDirection));
} else {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"openCursor(%s, %s)",
"IDBIndex.openCursor(%.0s%.0s%.0s%.0s%.0s%.0s)",
transaction.LoggingSerialNumber(), request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aDirection));
}
BackgroundCursorChildBase* const actor =
aKeysOnly ? static_cast<BackgroundCursorChildBase*>(
new BackgroundCursorChild<IDBCursorType::IndexKey>(
request, this, aDirection))
: new BackgroundCursorChild<IDBCursorType::Index>(request, this,
aDirection);
auto& mutableTransaction = mObjectStore->MutableTransactionRef();
// TODO: This is necessary to preserve request ordering only. Proper
// sequencing of requests should be done in a more sophisticated manner that
// doesn't require invalidating cursor caches (Bug 1580499).
mutableTransaction.InvalidateCursorCaches();
mutableTransaction.OpenCursor(actor, params);
return request;
}
RefPtr<IDBRequest> IDBIndex::Count(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
const auto& transaction = mObjectStore->TransactionRef();
if (!transaction.IsActive()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, &keyRange, aRv);
if (aRv.Failed()) {
return nullptr;
}
IndexCountParams params;
params.objectStoreId() = mObjectStore->Id();
params.indexId() = Id();
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
params.optionalKeyRange().emplace(serializedKeyRange);
}
auto request = GenerateRequest(aCx, this).unwrap();
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"count(%s)",
"IDBIndex.count(%.0s%.0s%.0s%.0s%.0s)", transaction.LoggingSerialNumber(),
request->LoggingSerialNumber(), IDB_LOG_STRINGIFY(transaction.Database()),
IDB_LOG_STRINGIFY(transaction), IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this), IDB_LOG_STRINGIFY(keyRange));
auto& mutableTransaction = mObjectStore->MutableTransactionRef();
// TODO: This is necessary to preserve request ordering only. Proper
// sequencing of requests should be done in a more sophisticated manner that
// doesn't require invalidating cursor caches (Bug 1580499).
mutableTransaction.InvalidateCursorCaches();
mutableTransaction.StartRequest(request, params);
return request;
}
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBIndex)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBIndex)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBIndex)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_MULTI_ZONE_JSHOLDER_CLASS(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mCachedKeyPath)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
// Don't unlink mObjectStore!
tmp->mCachedKeyPath.setUndefined();
if (tmp->mRooted) {
mozilla::DropJSObjects(tmp);
tmp->mRooted = false;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
JSObject* IDBIndex::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return IDBIndex_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla