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gecko/dom/indexedDB/IDBObjectStore.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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 "base/basictypes.h"
#include "IDBObjectStore.h"
#include "mozilla/dom/ipc/nsIRemoteBlob.h"
#include "nsIOutputStream.h"
#include <algorithm>
#include "jsfriendapi.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/IDBMutableFileBinding.h"
#include "mozilla/dom/nsIContentParent.h"
#include "mozilla/dom/StructuredCloneTags.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/ipc/Blob.h"
#include "mozilla/dom/quota/FileStreams.h"
#include "mozilla/Endian.h"
#include "mozilla/storage.h"
#include "nsContentUtils.h"
#include "nsDOMClassInfo.h"
#include "nsDOMFile.h"
#include "mozilla/dom/DOMStringList.h"
#include "nsJSUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "snappy/snappy.h"
#include "AsyncConnectionHelper.h"
#include "IDBCursor.h"
#include "IDBEvents.h"
#include "IDBIndex.h"
#include "IDBKeyRange.h"
#include "IDBMutableFile.h"
#include "IDBTransaction.h"
#include "DatabaseInfo.h"
#include "KeyPath.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
#include "ipc/IndexedDBChild.h"
#include "ipc/IndexedDBParent.h"
#include "IndexedDatabaseInlines.h"
#include "nsCharSeparatedTokenizer.h"
#define FILE_COPY_BUFFER_SIZE 32768
USING_INDEXEDDB_NAMESPACE
using namespace mozilla::dom;
using namespace mozilla::dom::indexedDB::ipc;
using mozilla::dom::quota::FileOutputStream;
using mozilla::ErrorResult;
using mozilla::fallible_t;
using mozilla::LittleEndian;
using mozilla::Move;
using mozilla::NativeEndian;
BEGIN_INDEXEDDB_NAMESPACE
struct MutableFileData
{
nsString type;
nsString name;
};
struct BlobOrFileData
{
BlobOrFileData()
: tag(0), size(0), lastModifiedDate(UINT64_MAX)
{ }
uint32_t tag;
uint64_t size;
nsString type;
nsString name;
uint64_t lastModifiedDate;
};
END_INDEXEDDB_NAMESPACE
namespace {
inline
bool
IgnoreNothing(char16_t c)
{
return false;
}
class ObjectStoreHelper : public AsyncConnectionHelper
{
public:
ObjectStoreHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore)
: AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore),
mActor(nullptr)
{
NS_ASSERTION(aTransaction, "Null transaction!");
NS_ASSERTION(aRequest, "Null request!");
NS_ASSERTION(aObjectStore, "Null object store!");
}
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult Dispatch(nsIEventTarget* aDatabaseThread) MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) = 0;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue) = 0;
protected:
nsRefPtr<IDBObjectStore> mObjectStore;
private:
IndexedDBObjectStoreRequestChild* mActor;
};
class NoRequestObjectStoreHelper : public AsyncConnectionHelper
{
public:
NoRequestObjectStoreHelper(IDBTransaction* aTransaction,
IDBObjectStore* aObjectStore)
: AsyncConnectionHelper(aTransaction, nullptr), mObjectStore(aObjectStore)
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aTransaction, "Null transaction!");
NS_ASSERTION(aObjectStore, "Null object store!");
}
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult OnSuccess() MOZ_OVERRIDE;
virtual void OnError() MOZ_OVERRIDE;
protected:
nsRefPtr<IDBObjectStore> mObjectStore;
};
class AddHelper : public ObjectStoreHelper
{
public:
AddHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
StructuredCloneWriteInfo&& aCloneWriteInfo,
const Key& aKey,
bool aOverwrite,
nsTArray<IndexUpdateInfo>& aIndexUpdateInfo)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mCloneWriteInfo(Move(aCloneWriteInfo)),
mKey(aKey),
mOverwrite(aOverwrite)
{
mIndexUpdateInfo.SwapElements(aIndexUpdateInfo);
}
~AddHelper()
{
IDBObjectStore::ClearCloneWriteInfo(mCloneWriteInfo);
}
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
private:
// These may change in the autoincrement case.
StructuredCloneWriteInfo mCloneWriteInfo;
Key mKey;
nsTArray<IndexUpdateInfo> mIndexUpdateInfo;
const bool mOverwrite;
};
class GetHelper : public ObjectStoreHelper
{
public:
GetHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mKeyRange(aKeyRange)
{
NS_ASSERTION(aKeyRange, "Null key range!");
}
~GetHelper()
{
IDBObjectStore::ClearCloneReadInfo(mCloneReadInfo);
}
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
protected:
// In-params.
nsRefPtr<IDBKeyRange> mKeyRange;
private:
// Out-params.
StructuredCloneReadInfo mCloneReadInfo;
};
class DeleteHelper : public GetHelper
{
public:
DeleteHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange)
: GetHelper(aTransaction, aRequest, aObjectStore, aKeyRange)
{ }
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
};
class ClearHelper : public ObjectStoreHelper
{
public:
ClearHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore)
{ }
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
};
class OpenCursorHelper : public ObjectStoreHelper
{
public:
OpenCursorHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange,
IDBCursor::Direction aDirection)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mKeyRange(aKeyRange), mDirection(aDirection)
{ }
~OpenCursorHelper()
{
IDBObjectStore::ClearCloneReadInfo(mCloneReadInfo);
}
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
private:
nsresult EnsureCursor();
// In-params.
nsRefPtr<IDBKeyRange> mKeyRange;
const IDBCursor::Direction mDirection;
// Out-params.
Key mKey;
StructuredCloneReadInfo mCloneReadInfo;
nsCString mContinueQuery;
nsCString mContinueToQuery;
Key mRangeKey;
// Only used in the parent process.
nsRefPtr<IDBCursor> mCursor;
SerializedStructuredCloneReadInfo mSerializedCloneReadInfo;
};
class OpenKeyCursorHelper MOZ_FINAL : public ObjectStoreHelper
{
public:
OpenKeyCursorHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange,
IDBCursor::Direction aDirection)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mKeyRange(aKeyRange), mDirection(aDirection)
{ }
virtual nsresult
DoDatabaseWork(mozIStorageConnection* aConnection) MOZ_OVERRIDE;
virtual nsresult
GetSuccessResult(JSContext* aCx, JS::MutableHandle<JS::Value> aVal)
MOZ_OVERRIDE;
virtual void
ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
private:
~OpenKeyCursorHelper()
{ }
nsresult EnsureCursor();
// In-params.
nsRefPtr<IDBKeyRange> mKeyRange;
const IDBCursor::Direction mDirection;
// Out-params.
Key mKey;
nsCString mContinueQuery;
nsCString mContinueToQuery;
Key mRangeKey;
// Only used in the parent process.
nsRefPtr<IDBCursor> mCursor;
};
class CreateIndexHelper : public NoRequestObjectStoreHelper
{
public:
CreateIndexHelper(IDBTransaction* aTransaction, IDBIndex* aIndex)
: NoRequestObjectStoreHelper(aTransaction, aIndex->ObjectStore()),
mIndex(aIndex)
{
if (sTLSIndex == BAD_TLS_INDEX) {
PR_NewThreadPrivateIndex(&sTLSIndex, DestroyTLSEntry);
}
NS_ASSERTION(sTLSIndex != BAD_TLS_INDEX,
"PR_NewThreadPrivateIndex failed!");
}
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
private:
nsresult InsertDataFromObjectStore(mozIStorageConnection* aConnection);
static void DestroyTLSEntry(void* aPtr);
static unsigned sTLSIndex;
// In-params.
nsRefPtr<IDBIndex> mIndex;
};
unsigned CreateIndexHelper::sTLSIndex = unsigned(BAD_TLS_INDEX);
class DeleteIndexHelper : public NoRequestObjectStoreHelper
{
public:
DeleteIndexHelper(IDBTransaction* aTransaction,
IDBObjectStore* aObjectStore,
const nsAString& aName)
: NoRequestObjectStoreHelper(aTransaction, aObjectStore), mName(aName)
{ }
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
private:
// In-params
nsString mName;
};
class GetAllHelper : public ObjectStoreHelper
{
public:
GetAllHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange,
const uint32_t aLimit)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mKeyRange(aKeyRange), mLimit(aLimit)
{ }
~GetAllHelper()
{
for (uint32_t index = 0; index < mCloneReadInfos.Length(); index++) {
IDBObjectStore::ClearCloneReadInfo(mCloneReadInfos[index]);
}
}
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
protected:
// In-params.
nsRefPtr<IDBKeyRange> mKeyRange;
const uint32_t mLimit;
private:
// Out-params.
nsTArray<StructuredCloneReadInfo> mCloneReadInfos;
};
class GetAllKeysHelper MOZ_FINAL : public ObjectStoreHelper
{
public:
GetAllKeysHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange,
const uint32_t aLimit)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mKeyRange(aKeyRange), mLimit(aLimit)
{ }
virtual nsresult
DoDatabaseWork(mozIStorageConnection* aConnection) MOZ_OVERRIDE;
virtual nsresult
GetSuccessResult(JSContext* aCx, JS::MutableHandle<JS::Value> aVal)
MOZ_OVERRIDE;
virtual void
ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
private:
~GetAllKeysHelper()
{ }
nsRefPtr<IDBKeyRange> mKeyRange;
const uint32_t mLimit;
nsTArray<Key> mKeys;
};
class CountHelper : public ObjectStoreHelper
{
public:
CountHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
IDBKeyRange* aKeyRange)
: ObjectStoreHelper(aTransaction, aRequest, aObjectStore),
mKeyRange(aKeyRange), mCount(0)
{ }
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual nsresult GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal) MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
virtual nsresult
PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator) MOZ_OVERRIDE;
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
private:
nsRefPtr<IDBKeyRange> mKeyRange;
uint64_t mCount;
};
class MOZ_STACK_CLASS AutoRemoveIndex
{
public:
AutoRemoveIndex(ObjectStoreInfo* aObjectStoreInfo,
const nsAString& aIndexName)
: mObjectStoreInfo(aObjectStoreInfo), mIndexName(aIndexName)
{ }
~AutoRemoveIndex()
{
if (mObjectStoreInfo) {
for (uint32_t i = 0; i < mObjectStoreInfo->indexes.Length(); i++) {
if (mObjectStoreInfo->indexes[i].name == mIndexName) {
mObjectStoreInfo->indexes.RemoveElementAt(i);
break;
}
}
}
}
void forget()
{
mObjectStoreInfo = nullptr;
}
private:
ObjectStoreInfo* mObjectStoreInfo;
nsString mIndexName;
};
class ThreadLocalJSRuntime
{
JSRuntime* mRuntime;
JSContext* mContext;
JSObject* mGlobal;
static const JSClass sGlobalClass;
static const unsigned sRuntimeHeapSize = 768 * 1024;
ThreadLocalJSRuntime()
: mRuntime(nullptr), mContext(nullptr), mGlobal(nullptr)
{
MOZ_COUNT_CTOR(ThreadLocalJSRuntime);
}
nsresult Init()
{
mRuntime = JS_NewRuntime(sRuntimeHeapSize);
NS_ENSURE_TRUE(mRuntime, NS_ERROR_OUT_OF_MEMORY);
/*
* Not setting this will cause JS_CHECK_RECURSION to report false
* positives
*/
JS_SetNativeStackQuota(mRuntime, 128 * sizeof(size_t) * 1024);
mContext = JS_NewContext(mRuntime, 0);
NS_ENSURE_TRUE(mContext, NS_ERROR_OUT_OF_MEMORY);
JSAutoRequest ar(mContext);
mGlobal = JS_NewGlobalObject(mContext, &sGlobalClass, nullptr,
JS::FireOnNewGlobalHook);
NS_ENSURE_TRUE(mGlobal, NS_ERROR_OUT_OF_MEMORY);
js::SetDefaultObjectForContext(mContext, mGlobal);
return NS_OK;
}
public:
static ThreadLocalJSRuntime *Create()
{
ThreadLocalJSRuntime *entry = new ThreadLocalJSRuntime();
NS_ENSURE_TRUE(entry, nullptr);
if (NS_FAILED(entry->Init())) {
delete entry;
return nullptr;
}
return entry;
}
JSContext *Context() const
{
return mContext;
}
JSObject *Global() const
{
return mGlobal;
}
~ThreadLocalJSRuntime()
{
MOZ_COUNT_DTOR(ThreadLocalJSRuntime);
if (mContext) {
JS_DestroyContext(mContext);
}
if (mRuntime) {
JS_DestroyRuntime(mRuntime);
}
}
};
const JSClass ThreadLocalJSRuntime::sGlobalClass = {
"IndexedDBTransactionThreadGlobal",
JSCLASS_GLOBAL_FLAGS,
JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub,
nullptr, nullptr, nullptr, nullptr,
JS_GlobalObjectTraceHook
};
inline
already_AddRefed<IDBRequest>
GenerateRequest(IDBObjectStore* aObjectStore)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBDatabase* database = aObjectStore->Transaction()->Database();
return IDBRequest::Create(aObjectStore, database,
aObjectStore->Transaction());
}
struct MOZ_STACK_CLASS GetAddInfoClosure
{
IDBObjectStore* mThis;
StructuredCloneWriteInfo& mCloneWriteInfo;
JS::Handle<JS::Value> mValue;
};
nsresult
GetAddInfoCallback(JSContext* aCx, void* aClosure)
{
GetAddInfoClosure* data = static_cast<GetAddInfoClosure*>(aClosure);
data->mCloneWriteInfo.mOffsetToKeyProp = 0;
data->mCloneWriteInfo.mTransaction = data->mThis->Transaction();
if (!IDBObjectStore::SerializeValue(aCx, data->mCloneWriteInfo, data->mValue)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
inline
BlobChild*
ActorFromRemoteBlob(nsIDOMBlob* aBlob)
{
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsRefPtr<DOMFile> blob = static_cast<DOMFile*>(aBlob);
nsCOMPtr<nsIRemoteBlob> remoteBlob = do_QueryInterface(blob->Impl());
if (remoteBlob) {
BlobChild* actor =
static_cast<BlobChild*>(static_cast<PBlobChild*>(remoteBlob->GetPBlob()));
NS_ASSERTION(actor, "Null actor?!");
return actor;
}
return nullptr;
}
inline
bool
ResolveMysteryFile(nsIDOMBlob* aBlob, const nsString& aName,
const nsString& aContentType, uint64_t aSize,
uint64_t aLastModifiedDate)
{
BlobChild* actor = ActorFromRemoteBlob(aBlob);
if (actor) {
return actor->SetMysteryBlobInfo(aName, aContentType,
aSize, aLastModifiedDate);
}
return true;
}
inline
bool
ResolveMysteryBlob(nsIDOMBlob* aBlob, const nsString& aContentType,
uint64_t aSize)
{
BlobChild* actor = ActorFromRemoteBlob(aBlob);
if (actor) {
return actor->SetMysteryBlobInfo(aContentType, aSize);
}
return true;
}
class MainThreadDeserializationTraits
{
public:
static bool CreateAndWrapMutableFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(NS_IsMainThread());
nsRefPtr<FileInfo>& fileInfo = aFile.mFileInfo;
nsRefPtr<IDBMutableFile> mutableFile = IDBMutableFile::Create(aData.name,
aData.type, aDatabase, fileInfo.forget());
JS::Rooted<JSObject*> result(aCx, mutableFile->WrapObject(aCx));
if (NS_WARN_IF(!result)) {
return false;
}
aResult.set(result);
return true;
}
static JSObject* CreateAndWrapBlobOrFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const BlobOrFileData& aData)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aData.tag == SCTAG_DOM_FILE ||
aData.tag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aData.tag == SCTAG_DOM_BLOB);
nsresult rv = NS_OK;
nsRefPtr<FileInfo>& fileInfo = aFile.mFileInfo;
nsCOMPtr<nsIFile> nativeFile;
if (!aFile.mFile) {
FileManager* fileManager = aDatabase->Manager();
NS_ASSERTION(fileManager, "This should never be null!");
nsCOMPtr<nsIFile> directory = fileManager->GetDirectory();
if (!directory) {
NS_WARNING("Failed to get directory!");
return nullptr;
}
nativeFile = fileManager->GetFileForId(directory, fileInfo->Id());
if (!nativeFile) {
NS_WARNING("Failed to get file!");
return nullptr;
}
}
if (aData.tag == SCTAG_DOM_BLOB) {
nsCOMPtr<nsIDOMBlob> domBlob;
if (aFile.mFile) {
if (!ResolveMysteryBlob(aFile.mFile, aData.type, aData.size)) {
return nullptr;
}
domBlob = aFile.mFile;
}
else {
domBlob = DOMFile::CreateFromFile(aData.type, aData.size, nativeFile,
fileInfo);
}
JS::Rooted<JS::Value> wrappedBlob(aCx);
rv = nsContentUtils::WrapNative(aCx, domBlob, &NS_GET_IID(nsIDOMBlob),
&wrappedBlob);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to wrap native!");
return nullptr;
}
return wrappedBlob.toObjectOrNull();
}
nsCOMPtr<nsIDOMFile> domFile;
if (aFile.mFile) {
if (!ResolveMysteryFile(aFile.mFile, aData.name, aData.type, aData.size,
aData.lastModifiedDate)) {
return nullptr;
}
domFile = do_QueryInterface(aFile.mFile);
NS_ASSERTION(domFile, "This should never fail!");
}
else {
domFile = DOMFile::CreateFromFile(aData.name, aData.type, aData.size,
nativeFile, fileInfo);
}
JS::Rooted<JS::Value> wrappedFile(aCx);
rv = nsContentUtils::WrapNative(aCx, domFile, &NS_GET_IID(nsIDOMFile),
&wrappedFile);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to wrap native!");
return nullptr;
}
return wrappedFile.toObjectOrNull();
}
};
class CreateIndexDeserializationTraits
{
public:
static bool CreateAndWrapMutableFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
// MutableFile can't be used in index creation, so just make a dummy object.
JS::Rooted<JSObject*> obj(aCx,
JS_NewObject(aCx, nullptr, JS::NullPtr(), JS::NullPtr()));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
static JSObject* CreateAndWrapBlobOrFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const BlobOrFileData& aData)
{
MOZ_ASSERT(aData.tag == SCTAG_DOM_FILE ||
aData.tag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aData.tag == SCTAG_DOM_BLOB);
// The following properties are available for use in index creation
// Blob.size
// Blob.type
// File.name
// File.lastModifiedDate
JS::Rooted<JSObject*> obj(aCx,
JS_NewObject(aCx, nullptr, JS::NullPtr(), JS::NullPtr()));
if (!obj) {
NS_WARNING("Failed to create object!");
return nullptr;
}
// Technically these props go on the proto, but this detail won't change
// the results of index creation.
JS::Rooted<JSString*> type(aCx,
JS_NewUCStringCopyN(aCx, aData.type.get(), aData.type.Length()));
if (!type ||
!JS_DefineProperty(aCx, obj, "size", double(aData.size), 0) ||
!JS_DefineProperty(aCx, obj, "type", type, 0)) {
return nullptr;
}
if (aData.tag == SCTAG_DOM_BLOB) {
return obj;
}
JS::Rooted<JSString*> name(aCx,
JS_NewUCStringCopyN(aCx, aData.name.get(), aData.name.Length()));
JS::Rooted<JSObject*> date(aCx,
JS_NewDateObjectMsec(aCx, aData.lastModifiedDate));
if (!name || !date ||
!JS_DefineProperty(aCx, obj, "name", name, 0) ||
!JS_DefineProperty(aCx, obj, "lastModifiedDate", date, 0)) {
return nullptr;
}
return obj;
}
};
} // anonymous namespace
const JSClass IDBObjectStore::sDummyPropJSClass = {
"dummy", 0,
JS_PropertyStub, JS_DeletePropertyStub,
JS_PropertyStub, JS_StrictPropertyStub,
JS_EnumerateStub, JS_ResolveStub,
JS_ConvertStub
};
// static
already_AddRefed<IDBObjectStore>
IDBObjectStore::Create(IDBTransaction* aTransaction,
ObjectStoreInfo* aStoreInfo,
const nsACString& aDatabaseId,
bool aCreating)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsRefPtr<IDBObjectStore> objectStore = new IDBObjectStore();
objectStore->mTransaction = aTransaction;
objectStore->mName = aStoreInfo->name;
objectStore->mId = aStoreInfo->id;
objectStore->mKeyPath = aStoreInfo->keyPath;
objectStore->mAutoIncrement = aStoreInfo->autoIncrement;
objectStore->mDatabaseId = aDatabaseId;
objectStore->mInfo = aStoreInfo;
if (!IndexedDatabaseManager::IsMainProcess()) {
IndexedDBTransactionChild* transactionActor = aTransaction->GetActorChild();
NS_ASSERTION(transactionActor, "Must have an actor here!");
ObjectStoreConstructorParams params;
if (aCreating) {
CreateObjectStoreParams createParams;
createParams.info() = *aStoreInfo;
params = createParams;
}
else {
GetObjectStoreParams getParams;
getParams.name() = aStoreInfo->name;
params = getParams;
}
IndexedDBObjectStoreChild* actor =
new IndexedDBObjectStoreChild(objectStore);
transactionActor->SendPIndexedDBObjectStoreConstructor(actor, params);
}
return objectStore.forget();
}
// static
nsresult
IDBObjectStore::AppendIndexUpdateInfo(
int64_t aIndexID,
const KeyPath& aKeyPath,
bool aUnique,
bool aMultiEntry,
JSContext* aCx,
JS::Handle<JS::Value> aVal,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
nsresult rv;
if (!aMultiEntry) {
Key key;
rv = aKeyPath.ExtractKey(aCx, aVal, key);
// If an index's keypath doesn't match an object, we ignore that object.
if (rv == NS_ERROR_DOM_INDEXEDDB_DATA_ERR || key.IsUnset()) {
return NS_OK;
}
if (NS_FAILED(rv)) {
return rv;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->indexId = aIndexID;
updateInfo->indexUnique = aUnique;
updateInfo->value = key;
return NS_OK;
}
JS::Rooted<JS::Value> val(aCx);
if (NS_FAILED(aKeyPath.ExtractKeyAsJSVal(aCx, aVal, val.address()))) {
return NS_OK;
}
if (JS_IsArrayObject(aCx, val)) {
JS::Rooted<JSObject*> array(aCx, &val.toObject());
uint32_t arrayLength;
if (!JS_GetArrayLength(aCx, array, &arrayLength)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (uint32_t arrayIndex = 0; arrayIndex < arrayLength; arrayIndex++) {
JS::Rooted<JS::Value> arrayItem(aCx);
if (!JS_GetElement(aCx, array, arrayIndex, &arrayItem)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
Key value;
if (NS_FAILED(value.SetFromJSVal(aCx, arrayItem)) ||
value.IsUnset()) {
// Not a value we can do anything with, ignore it.
continue;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->indexId = aIndexID;
updateInfo->indexUnique = aUnique;
updateInfo->value = value;
}
}
else {
Key value;
if (NS_FAILED(value.SetFromJSVal(aCx, val)) ||
value.IsUnset()) {
// Not a value we can do anything with, ignore it.
return NS_OK;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->indexId = aIndexID;
updateInfo->indexUnique = aUnique;
updateInfo->value = value;
}
return NS_OK;
}
// static
nsresult
IDBObjectStore::UpdateIndexes(IDBTransaction* aTransaction,
int64_t aObjectStoreId,
const Key& aObjectStoreKey,
bool aOverwrite,
int64_t aObjectDataId,
const nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("IDBObjectStore", "UpdateIndexes",
js::ProfileEntry::Category::STORAGE);
nsresult rv;
NS_ASSERTION(aObjectDataId != INT64_MIN, "Bad objectData id!");
NS_NAMED_LITERAL_CSTRING(objectDataId, "object_data_id");
if (aOverwrite) {
nsCOMPtr<mozIStorageStatement> deleteStmt =
aTransaction->GetCachedStatement(
"DELETE FROM unique_index_data "
"WHERE object_data_id = :object_data_id; "
"DELETE FROM index_data "
"WHERE object_data_id = :object_data_id");
NS_ENSURE_TRUE(deleteStmt, NS_ERROR_FAILURE);
mozStorageStatementScoper scoper(deleteStmt);
rv = deleteStmt->BindInt64ByName(objectDataId, aObjectDataId);
NS_ENSURE_SUCCESS(rv, rv);
rv = deleteStmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
}
// Avoid lots of hash lookups for objectStores with lots of indexes by lazily
// holding the necessary statements on the stack outside the loop.
nsCOMPtr<mozIStorageStatement> insertUniqueStmt;
nsCOMPtr<mozIStorageStatement> insertStmt;
uint32_t infoCount = aUpdateInfoArray.Length();
for (uint32_t i = 0; i < infoCount; i++) {
const IndexUpdateInfo& updateInfo = aUpdateInfoArray[i];
nsCOMPtr<mozIStorageStatement>& stmt =
updateInfo.indexUnique ? insertUniqueStmt : insertStmt;
if (!stmt) {
stmt = updateInfo.indexUnique ?
aTransaction->GetCachedStatement(
"INSERT INTO unique_index_data "
"(index_id, object_data_id, object_data_key, value) "
"VALUES (:index_id, :object_data_id, :object_data_key, :value)") :
aTransaction->GetCachedStatement(
"INSERT OR IGNORE INTO index_data ("
"index_id, object_data_id, object_data_key, value) "
"VALUES (:index_id, :object_data_id, :object_data_key, :value)");
}
NS_ENSURE_TRUE(stmt, NS_ERROR_FAILURE);
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("index_id"),
updateInfo.indexId);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt64ByName(objectDataId, aObjectDataId);
NS_ENSURE_SUCCESS(rv, rv);
rv = aObjectStoreKey.BindToStatement(stmt,
NS_LITERAL_CSTRING("object_data_key"));
NS_ENSURE_SUCCESS(rv, rv);
rv = updateInfo.value.BindToStatement(stmt, NS_LITERAL_CSTRING("value"));
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
if (rv == NS_ERROR_STORAGE_CONSTRAINT && updateInfo.indexUnique) {
// If we're inserting multiple entries for the same unique index, then
// we might have failed to insert due to colliding with another entry for
// the same index in which case we should ignore it.
for (int32_t j = (int32_t)i - 1;
j >= 0 && aUpdateInfoArray[j].indexId == updateInfo.indexId;
--j) {
if (updateInfo.value == aUpdateInfoArray[j].value) {
// We found a key with the same value for the same index. So we
// must have had a collision with a value we just inserted.
rv = NS_OK;
break;
}
}
}
if (NS_FAILED(rv)) {
return rv;
}
}
return NS_OK;
}
// static
nsresult
IDBObjectStore::GetStructuredCloneReadInfoFromStatement(
mozIStorageStatement* aStatement,
uint32_t aDataIndex,
uint32_t aFileIdsIndex,
IDBDatabase* aDatabase,
StructuredCloneReadInfo& aInfo)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("IDBObjectStore", "GetStructuredCloneReadInfoFromStatement",
js::ProfileEntry::Category::STORAGE);
#ifdef DEBUG
{
int32_t type;
NS_ASSERTION(NS_SUCCEEDED(aStatement->GetTypeOfIndex(aDataIndex, &type)) &&
type == mozIStorageStatement::VALUE_TYPE_BLOB,
"Bad value type!");
}
#endif
const uint8_t* blobData;
uint32_t blobDataLength;
nsresult rv = aStatement->GetSharedBlob(aDataIndex, &blobDataLength,
&blobData);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
const char* compressed = reinterpret_cast<const char*>(blobData);
size_t compressedLength = size_t(blobDataLength);
static const fallible_t fallible = fallible_t();
size_t uncompressedLength;
if (!snappy::GetUncompressedLength(compressed, compressedLength,
&uncompressedLength)) {
IDB_WARNING("Snappy can't determine uncompressed length!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsAutoArrayPtr<char> uncompressed(new (fallible) char[uncompressedLength]);
NS_ENSURE_TRUE(uncompressed, NS_ERROR_OUT_OF_MEMORY);
if (!snappy::RawUncompress(compressed, compressedLength,
uncompressed.get())) {
IDB_WARNING("Snappy can't determine uncompressed length!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
JSAutoStructuredCloneBuffer& buffer = aInfo.mCloneBuffer;
if (!buffer.copy(reinterpret_cast<const uint64_t *>(uncompressed.get()),
uncompressedLength)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
bool isNull;
rv = aStatement->GetIsNull(aFileIdsIndex, &isNull);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!isNull) {
nsString ids;
rv = aStatement->GetString(aFileIdsIndex, ids);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsAutoTArray<int64_t, 10> array;
rv = ConvertFileIdsToArray(ids, array);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
FileManager* fileManager = aDatabase->Manager();
for (uint32_t i = 0; i < array.Length(); i++) {
const int64_t& id = array[i];
nsRefPtr<FileInfo> fileInfo = fileManager->GetFileInfo(id);
NS_ASSERTION(fileInfo, "Null file info!");
StructuredCloneFile* file = aInfo.mFiles.AppendElement();
file->mFileInfo.swap(fileInfo);
}
}
aInfo.mDatabase = aDatabase;
return NS_OK;
}
// static
void
IDBObjectStore::ClearCloneWriteInfo(StructuredCloneWriteInfo& aWriteInfo)
{
// This is kind of tricky, we only want to release stuff on the main thread,
// but we can end up being called on other threads if we have already been
// cleared on the main thread.
if (!aWriteInfo.mCloneBuffer.data() && !aWriteInfo.mFiles.Length()) {
return;
}
// If there's something to clear, we should be on the main thread.
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
ClearStructuredCloneBuffer(aWriteInfo.mCloneBuffer);
aWriteInfo.mFiles.Clear();
}
// static
void
IDBObjectStore::ClearCloneReadInfo(StructuredCloneReadInfo& aReadInfo)
{
// This is kind of tricky, we only want to release stuff on the main thread,
// but we can end up being called on other threads if we have already been
// cleared on the main thread.
if (!aReadInfo.mCloneBuffer.data() && !aReadInfo.mFiles.Length()) {
return;
}
// If there's something to clear, we should be on the main thread.
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
ClearStructuredCloneBuffer(aReadInfo.mCloneBuffer);
aReadInfo.mFiles.Clear();
}
// static
void
IDBObjectStore::ClearStructuredCloneBuffer(JSAutoStructuredCloneBuffer& aBuffer)
{
if (aBuffer.data()) {
aBuffer.clear();
}
}
// static
bool
IDBObjectStore::DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue)
{
NS_ASSERTION(NS_IsMainThread(),
"Should only be deserializing on the main thread!");
NS_ASSERTION(aCx, "A JSContext is required!");
JSAutoStructuredCloneBuffer& buffer = aCloneReadInfo.mCloneBuffer;
if (!buffer.data()) {
aValue.setUndefined();
return true;
}
JSAutoRequest ar(aCx);
JSStructuredCloneCallbacks callbacks = {
IDBObjectStore::StructuredCloneReadCallback<MainThreadDeserializationTraits>,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
};
return buffer.read(aCx, aValue, &callbacks, &aCloneReadInfo);
}
// static
bool
IDBObjectStore::SerializeValue(JSContext* aCx,
StructuredCloneWriteInfo& aCloneWriteInfo,
JS::Handle<JS::Value> aValue)
{
NS_ASSERTION(NS_IsMainThread(),
"Should only be serializing on the main thread!");
NS_ASSERTION(aCx, "A JSContext is required!");
JSAutoRequest ar(aCx);
JSStructuredCloneCallbacks callbacks = {
nullptr,
StructuredCloneWriteCallback,
nullptr,
nullptr,
nullptr,
nullptr
};
JSAutoStructuredCloneBuffer& buffer = aCloneWriteInfo.mCloneBuffer;
return buffer.write(aCx, aValue, &callbacks, &aCloneWriteInfo);
}
static inline bool
StructuredCloneReadString(JSStructuredCloneReader* aReader,
nsCString& aString)
{
uint32_t length;
if (!JS_ReadBytes(aReader, &length, sizeof(uint32_t))) {
NS_WARNING("Failed to read length!");
return false;
}
length = NativeEndian::swapFromLittleEndian(length);
if (!aString.SetLength(length, fallible_t())) {
NS_WARNING("Out of memory?");
return false;
}
char* buffer = aString.BeginWriting();
if (!JS_ReadBytes(aReader, buffer, length)) {
NS_WARNING("Failed to read type!");
return false;
}
return true;
}
// static
bool
IDBObjectStore::ReadMutableFile(JSStructuredCloneReader* aReader,
MutableFileData* aRetval)
{
static_assert(SCTAG_DOM_MUTABLEFILE == 0xFFFF8004,
"Update me!");
MOZ_ASSERT(aReader && aRetval);
nsCString type;
if (!StructuredCloneReadString(aReader, type)) {
return false;
}
CopyUTF8toUTF16(type, aRetval->type);
nsCString name;
if (!StructuredCloneReadString(aReader, name)) {
return false;
}
CopyUTF8toUTF16(name, aRetval->name);
return true;
}
// static
bool
IDBObjectStore::ReadBlobOrFile(JSStructuredCloneReader* aReader,
uint32_t aTag,
BlobOrFileData* aRetval)
{
static_assert(SCTAG_DOM_BLOB == 0xFFFF8001 &&
SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE == 0xFFFF8002 &&
SCTAG_DOM_FILE == 0xFFFF8005,
"Update me!");
MOZ_ASSERT(aReader && aRetval);
MOZ_ASSERT(aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aTag == SCTAG_DOM_BLOB);
aRetval->tag = aTag;
// If it's not a MutableFile, it's a Blob or a File.
uint64_t size;
if (!JS_ReadBytes(aReader, &size, sizeof(uint64_t))) {
NS_WARNING("Failed to read size!");
return false;
}
aRetval->size = NativeEndian::swapFromLittleEndian(size);
nsCString type;
if (!StructuredCloneReadString(aReader, type)) {
return false;
}
CopyUTF8toUTF16(type, aRetval->type);
// Blobs are done.
if (aTag == SCTAG_DOM_BLOB) {
return true;
}
NS_ASSERTION(aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE, "Huh?!");
uint64_t lastModifiedDate;
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE) {
lastModifiedDate = UINT64_MAX;
}
else {
if(!JS_ReadBytes(aReader, &lastModifiedDate, sizeof(lastModifiedDate))) {
NS_WARNING("Failed to read lastModifiedDate");
return false;
}
lastModifiedDate = NativeEndian::swapFromLittleEndian(lastModifiedDate);
}
aRetval->lastModifiedDate = lastModifiedDate;
nsCString name;
if (!StructuredCloneReadString(aReader, name)) {
return false;
}
CopyUTF8toUTF16(name, aRetval->name);
return true;
}
// static
template <class Traits>
JSObject*
IDBObjectStore::StructuredCloneReadCallback(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag,
uint32_t aData,
void* aClosure)
{
// We need to statically assert that our tag values are what we expect
// so that if people accidentally change them they notice.
static_assert(SCTAG_DOM_BLOB == 0xFFFF8001 &&
SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE == 0xFFFF8002 &&
SCTAG_DOM_MUTABLEFILE == 0xFFFF8004 &&
SCTAG_DOM_FILE == 0xFFFF8005,
"You changed our structured clone tag values and just ate "
"everyone's IndexedDB data. I hope you are happy.");
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aTag == SCTAG_DOM_MUTABLEFILE ||
aTag == SCTAG_DOM_BLOB ||
aTag == SCTAG_DOM_FILE) {
StructuredCloneReadInfo* cloneReadInfo =
reinterpret_cast<StructuredCloneReadInfo*>(aClosure);
if (aData >= cloneReadInfo->mFiles.Length()) {
NS_ERROR("Bad blob index!");
return nullptr;
}
StructuredCloneFile& file = cloneReadInfo->mFiles[aData];
IDBDatabase* database = cloneReadInfo->mDatabase;
if (aTag == SCTAG_DOM_MUTABLEFILE) {
MutableFileData data;
if (!ReadMutableFile(aReader, &data)) {
return nullptr;
}
JS::Rooted<JSObject*> result(aCx);
if (NS_WARN_IF(!Traits::CreateAndWrapMutableFile(aCx,
database,
file,
data,
&result))) {
return nullptr;
}
return result;
}
BlobOrFileData data;
if (!ReadBlobOrFile(aReader, aTag, &data)) {
return nullptr;
}
return Traits::CreateAndWrapBlobOrFile(aCx, database, file, data);
}
const JSStructuredCloneCallbacks* runtimeCallbacks =
js::GetContextStructuredCloneCallbacks(aCx);
if (runtimeCallbacks) {
return runtimeCallbacks->read(aCx, aReader, aTag, aData, nullptr);
}
return nullptr;
}
// static
bool
IDBObjectStore::StructuredCloneWriteCallback(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj,
void* aClosure)
{
StructuredCloneWriteInfo* cloneWriteInfo =
reinterpret_cast<StructuredCloneWriteInfo*>(aClosure);
if (JS_GetClass(aObj) == &sDummyPropJSClass) {
NS_ASSERTION(cloneWriteInfo->mOffsetToKeyProp == 0,
"We should not have been here before!");
cloneWriteInfo->mOffsetToKeyProp = js_GetSCOffset(aWriter);
uint64_t value = 0;
// Omit endian swap
return JS_WriteBytes(aWriter, &value, sizeof(value));
}
IDBTransaction* transaction = cloneWriteInfo->mTransaction;
FileManager* fileManager = transaction->Database()->Manager();
IDBMutableFile* mutableFile = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, aObj, mutableFile))) {
nsRefPtr<FileInfo> fileInfo = mutableFile->GetFileInfo();
MOZ_ASSERT(fileInfo);
// Throw when trying to store mutable files across databases.
if (fileInfo->Manager() != fileManager) {
return false;
}
NS_ConvertUTF16toUTF8 convType(mutableFile->Type());
uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
NS_ConvertUTF16toUTF8 convName(mutableFile->Name());
uint32_t convNameLength =
NativeEndian::swapToLittleEndian(convName.Length());
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_MUTABLEFILE,
cloneWriteInfo->mFiles.Length()) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length()) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
StructuredCloneFile* file = cloneWriteInfo->mFiles.AppendElement();
file->mFileInfo = fileInfo.forget();
return true;
}
nsCOMPtr<nsIXPConnectWrappedNative> wrappedNative;
nsContentUtils::XPConnect()->
GetWrappedNativeOfJSObject(aCx, aObj, getter_AddRefs(wrappedNative));
if (wrappedNative) {
nsISupports* supports = wrappedNative->Native();
nsCOMPtr<nsIDOMBlob> blob = do_QueryInterface(supports);
if (blob) {
nsCOMPtr<nsIInputStream> inputStream;
// Check if it is a blob created from this db or the blob was already
// stored in this db
nsRefPtr<FileInfo> fileInfo = transaction->GetFileInfo(blob);
if (!fileInfo && fileManager) {
fileInfo = blob->GetFileInfo(fileManager);
if (!fileInfo) {
fileInfo = fileManager->GetNewFileInfo();
if (!fileInfo) {
NS_WARNING("Failed to get new file info!");
return false;
}
if (NS_FAILED(blob->GetInternalStream(getter_AddRefs(inputStream)))) {
NS_WARNING("Failed to get internal steam!");
return false;
}
transaction->AddFileInfo(blob, fileInfo);
}
}
uint64_t size;
if (NS_FAILED(blob->GetSize(&size))) {
NS_WARNING("Failed to get size!");
return false;
}
size = NativeEndian::swapToLittleEndian(size);
nsString type;
if (NS_FAILED(blob->GetType(type))) {
NS_WARNING("Failed to get type!");
return false;
}
NS_ConvertUTF16toUTF8 convType(type);
uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
nsCOMPtr<nsIDOMFile> file = do_QueryInterface(blob);
if (!JS_WriteUint32Pair(aWriter, file ? SCTAG_DOM_FILE : SCTAG_DOM_BLOB,
cloneWriteInfo->mFiles.Length()) ||
!JS_WriteBytes(aWriter, &size, sizeof(size)) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(convTypeLength)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length())) {
return false;
}
if (file) {
uint64_t lastModifiedDate = 0;
if (NS_FAILED(file->GetMozLastModifiedDate(&lastModifiedDate))) {
NS_WARNING("Failed to get last modified date!");
return false;
}
lastModifiedDate = NativeEndian::swapToLittleEndian(lastModifiedDate);
nsString name;
if (NS_FAILED(file->GetName(name))) {
NS_WARNING("Failed to get name!");
return false;
}
NS_ConvertUTF16toUTF8 convName(name);
uint32_t convNameLength =
NativeEndian::swapToLittleEndian(convName.Length());
if (!JS_WriteBytes(aWriter, &lastModifiedDate, sizeof(lastModifiedDate)) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(convNameLength)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
}
StructuredCloneFile* cloneFile = cloneWriteInfo->mFiles.AppendElement();
cloneFile->mFile = blob.forget();
cloneFile->mFileInfo = fileInfo.forget();
cloneFile->mInputStream = inputStream.forget();
return true;
}
}
// try using the runtime callbacks
const JSStructuredCloneCallbacks* runtimeCallbacks =
js::GetContextStructuredCloneCallbacks(aCx);
if (runtimeCallbacks) {
return runtimeCallbacks->write(aCx, aWriter, aObj, nullptr);
}
return false;
}
// static
nsresult
IDBObjectStore::ConvertFileIdsToArray(const nsAString& aFileIds,
nsTArray<int64_t>& aResult)
{
nsCharSeparatedTokenizerTemplate<IgnoreNothing> tokenizer(aFileIds, ' ');
while (tokenizer.hasMoreTokens()) {
nsString token(tokenizer.nextToken());
NS_ASSERTION(!token.IsEmpty(), "Should be a valid id!");
nsresult rv;
int32_t id = token.ToInteger(&rv);
NS_ENSURE_SUCCESS(rv, rv);
int64_t* element = aResult.AppendElement();
*element = id;
}
return NS_OK;
}
// static
void
IDBObjectStore::ConvertActorsToBlobs(
const InfallibleTArray<PBlobChild*>& aActors,
nsTArray<StructuredCloneFile>& aFiles)
{
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aFiles.IsEmpty(), "Should be empty!");
if (!aActors.IsEmpty()) {
NS_ASSERTION(ContentChild::GetSingleton(), "This should never be null!");
uint32_t length = aActors.Length();
aFiles.SetCapacity(length);
for (uint32_t index = 0; index < length; index++) {
BlobChild* actor = static_cast<BlobChild*>(aActors[index]);
StructuredCloneFile* file = aFiles.AppendElement();
file->mFile = actor->GetBlob();
}
}
}
// static
nsresult
IDBObjectStore::ConvertBlobsToActors(
nsIContentParent* aContentParent,
FileManager* aFileManager,
const nsTArray<StructuredCloneFile>& aFiles,
InfallibleTArray<PBlobParent*>& aActors)
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aContentParent, "Null contentParent!");
NS_ASSERTION(aFileManager, "Null file manager!");
if (!aFiles.IsEmpty()) {
nsCOMPtr<nsIFile> directory = aFileManager->GetDirectory();
if (!directory) {
IDB_WARNING("Failed to get directory!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
uint32_t fileCount = aFiles.Length();
aActors.SetCapacity(fileCount);
for (uint32_t index = 0; index < fileCount; index++) {
const StructuredCloneFile& file = aFiles[index];
NS_ASSERTION(file.mFileInfo, "This should never be null!");
nsCOMPtr<nsIFile> nativeFile =
aFileManager->GetFileForId(directory, file.mFileInfo->Id());
if (!nativeFile) {
IDB_WARNING("Failed to get file!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsCOMPtr<nsIDOMBlob> blob = DOMFile::CreateFromFile(nativeFile,
file.mFileInfo);
BlobParent* actor =
aContentParent->GetOrCreateActorForBlob(blob);
if (!actor) {
// This can only fail if the child has crashed.
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
aActors.AppendElement(actor);
}
}
return NS_OK;
}
IDBObjectStore::IDBObjectStore()
: mId(INT64_MIN),
mKeyPath(0),
mCachedKeyPath(JSVAL_VOID),
mRooted(false),
mAutoIncrement(false),
mActorChild(nullptr),
mActorParent(nullptr)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
SetIsDOMBinding();
}
IDBObjectStore::~IDBObjectStore()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!mActorParent, "Actor parent owns us, how can we be dying?!");
if (mActorChild) {
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mActorChild->Send__delete__(mActorChild);
NS_ASSERTION(!mActorChild, "Should have cleared in Send__delete__!");
}
if (mRooted) {
mCachedKeyPath = JSVAL_VOID;
mozilla::DropJSObjects(this);
}
}
nsresult
IDBObjectStore::GetAddInfo(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKeyVal,
StructuredCloneWriteInfo& aCloneWriteInfo,
Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
nsresult rv;
// Return DATA_ERR if a key was passed in and this objectStore uses inline
// keys.
if (!aKeyVal.isUndefined() && HasValidKeyPath()) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
JSAutoRequest ar(aCx);
if (!HasValidKeyPath()) {
// Out-of-line keys must be passed in.
rv = aKey.SetFromJSVal(aCx, aKeyVal);
if (NS_FAILED(rv)) {
return rv;
}
}
else if (!mAutoIncrement) {
rv = GetKeyPath().ExtractKey(aCx, aValue, aKey);
if (NS_FAILED(rv)) {
return rv;
}
}
// Return DATA_ERR if no key was specified this isn't an autoIncrement
// objectStore.
if (aKey.IsUnset() && !mAutoIncrement) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
// Figure out indexes and the index values to update here.
uint32_t count = mInfo->indexes.Length();
aUpdateInfoArray.SetCapacity(count); // Pretty good estimate
for (uint32_t indexesIndex = 0; indexesIndex < count; indexesIndex++) {
const IndexInfo& indexInfo = mInfo->indexes[indexesIndex];
rv = AppendIndexUpdateInfo(indexInfo.id, indexInfo.keyPath,
indexInfo.unique, indexInfo.multiEntry, aCx,
aValue, aUpdateInfoArray);
NS_ENSURE_SUCCESS(rv, rv);
}
GetAddInfoClosure data = {this, aCloneWriteInfo, aValue};
if (mAutoIncrement && HasValidKeyPath()) {
NS_ASSERTION(aKey.IsUnset(), "Shouldn't have gotten the key yet!");
rv = GetKeyPath().ExtractOrCreateKey(aCx, aValue, aKey,
&GetAddInfoCallback, &data);
}
else {
rv = GetAddInfoCallback(aCx, &data);
}
return rv;
}
already_AddRefed<IDBRequest>
IDBObjectStore::AddOrPut(JSContext* aCx, JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
bool aOverwrite, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
StructuredCloneWriteInfo cloneWriteInfo;
Key key;
nsTArray<IndexUpdateInfo> updateInfo;
JS::Rooted<JS::Value> value(aCx, aValue);
aRv = GetAddInfo(aCx, value, aKey, cloneWriteInfo, key, updateInfo);
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<AddHelper> helper =
new AddHelper(mTransaction, request, this, Move(cloneWriteInfo), key,
aOverwrite, updateInfo);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
#ifdef IDB_PROFILER_USE_MARKS
if (aOverwrite) {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).%s(%s)",
"IDBRequest[%llu] MT IDBObjectStore.put()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
}
else {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).add(%s)",
"IDBRequest[%llu] MT IDBObjectStore.add()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
}
#endif
return request.forget();
}
nsresult
IDBObjectStore::AddOrPutInternal(
const SerializedStructuredCloneWriteInfo& aCloneWriteInfo,
const Key& aKey,
const InfallibleTArray<IndexUpdateInfo>& aUpdateInfoArray,
const nsTArray<nsCOMPtr<nsIDOMBlob> >& aBlobs,
bool aOverwrite,
IDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
if (!IsWriteAllowed()) {
return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
IDB_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
StructuredCloneWriteInfo cloneWriteInfo;
if (!cloneWriteInfo.SetFromSerialized(aCloneWriteInfo)) {
IDB_WARNING("Failed to copy structured clone buffer!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!aBlobs.IsEmpty()) {
FileManager* fileManager = Transaction()->Database()->Manager();
NS_ASSERTION(fileManager, "Null file manager?!");
uint32_t length = aBlobs.Length();
cloneWriteInfo.mFiles.SetCapacity(length);
for (uint32_t index = 0; index < length; index++) {
const nsCOMPtr<nsIDOMBlob>& blob = aBlobs[index];
nsCOMPtr<nsIInputStream> inputStream;
nsRefPtr<FileInfo> fileInfo = Transaction()->GetFileInfo(blob);
if (!fileInfo) {
fileInfo = blob->GetFileInfo(fileManager);
if (!fileInfo) {
fileInfo = fileManager->GetNewFileInfo();
if (!fileInfo) {
IDB_WARNING("Failed to get new file info!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (NS_FAILED(blob->GetInternalStream(getter_AddRefs(inputStream)))) {
IDB_WARNING("Failed to get internal steam!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
// XXXbent This is where we should send a message back to the child to
// update the file id.
Transaction()->AddFileInfo(blob, fileInfo);
}
}
StructuredCloneFile* file = cloneWriteInfo.mFiles.AppendElement();
file->mFile = blob;
file->mFileInfo.swap(fileInfo);
file->mInputStream.swap(inputStream);
}
}
Key key(aKey);
nsTArray<IndexUpdateInfo> updateInfo(aUpdateInfoArray);
nsRefPtr<AddHelper> helper =
new AddHelper(mTransaction, request, this, Move(cloneWriteInfo), key,
aOverwrite, updateInfo);
nsresult rv = helper->DispatchToTransactionPool();
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
#ifdef IDB_PROFILER_USE_MARKS
if (aOverwrite) {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).%s(%s)",
"IDBRequest[%llu] MT IDBObjectStore.put()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
}
else {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).add(%s)",
"IDBRequest[%llu] MT IDBObjectStore.add()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
}
#endif
request.forget(_retval);
return NS_OK;
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetInternal(IDBKeyRange* aKeyRange, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aKeyRange, "Null pointer!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<GetHelper> helper =
new GetHelper(mTransaction, request, this, aKeyRange);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).get(%s)",
"IDBRequest[%llu] MT IDBObjectStore.get()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange));
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetAllInternal(IDBKeyRange* aKeyRange,
uint32_t aLimit, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<GetAllHelper> helper =
new GetAllHelper(mTransaction, request, this, aKeyRange, aLimit);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"getAll(%s, %lu)",
"IDBRequest[%llu] MT IDBObjectStore.getAll()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange),
aLimit);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetAllKeysInternal(IDBKeyRange* aKeyRange, uint32_t aLimit,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<GetAllKeysHelper> helper =
new GetAllKeysHelper(mTransaction, request, this, aKeyRange, aLimit);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"getAllKeys(%s, %lu)",
"IDBRequest[%llu] MT IDBObjectStore.getAllKeys()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange),
aLimit);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::DeleteInternal(IDBKeyRange* aKeyRange,
ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aKeyRange, "Null key range!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<DeleteHelper> helper =
new DeleteHelper(mTransaction, request, this, aKeyRange);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).delete(%s)",
"IDBRequest[%llu] MT IDBObjectStore.delete()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange));
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::Clear(ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<ClearHelper> helper(new ClearHelper(mTransaction, request, this));
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).clear()",
"IDBRequest[%llu] MT IDBObjectStore.clear()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this));
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::CountInternal(IDBKeyRange* aKeyRange, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<CountHelper> helper =
new CountHelper(mTransaction, request, this, aKeyRange);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).count(%s)",
"IDBRequest[%llu] MT IDBObjectStore.count()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange));
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::OpenCursorInternal(IDBKeyRange* aKeyRange,
size_t aDirection, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
IDBCursor::Direction direction =
static_cast<IDBCursor::Direction>(aDirection);
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<OpenCursorHelper> helper =
new OpenCursorHelper(mTransaction, request, this, aKeyRange, direction);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"openCursor(%s, %s)",
"IDBRequest[%llu] MT IDBObjectStore.openCursor()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange),
IDB_PROFILER_STRING(direction));
return request.forget();
}
nsresult
IDBObjectStore::OpenCursorFromChildProcess(
IDBRequest* aRequest,
size_t aDirection,
const Key& aKey,
const SerializedStructuredCloneReadInfo& aCloneInfo,
nsTArray<StructuredCloneFile>& aBlobs,
IDBCursor** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION((!aCloneInfo.dataLength && !aCloneInfo.data) ||
(aCloneInfo.dataLength && aCloneInfo.data),
"Inconsistent clone info!");
IDBCursor::Direction direction =
static_cast<IDBCursor::Direction>(aDirection);
StructuredCloneReadInfo cloneInfo;
if (!cloneInfo.SetFromSerialized(aCloneInfo)) {
IDB_WARNING("Failed to copy clone buffer!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
cloneInfo.mFiles.SwapElements(aBlobs);
nsRefPtr<IDBCursor> cursor =
IDBCursor::Create(aRequest, mTransaction, this, direction, Key(),
EmptyCString(), EmptyCString(), aKey, Move(cloneInfo));
IDB_ENSURE_TRUE(cursor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!cloneInfo.mCloneBuffer.data(), "Should have swapped!");
cursor.forget(_retval);
return NS_OK;
}
nsresult
IDBObjectStore::OpenCursorFromChildProcess(IDBRequest* aRequest,
size_t aDirection,
const Key& aKey,
IDBCursor** _retval)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aRequest);
auto direction = static_cast<IDBCursor::Direction>(aDirection);
nsRefPtr<IDBCursor> cursor =
IDBCursor::Create(aRequest, mTransaction, this, direction, Key(),
EmptyCString(), EmptyCString(), aKey);
IDB_ENSURE_TRUE(cursor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
cursor.forget(_retval);
return NS_OK;
}
already_AddRefed<IDBRequest>
IDBObjectStore::OpenKeyCursorInternal(IDBKeyRange* aKeyRange, size_t aDirection,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
if (!request) {
IDB_WARNING("Failed to generate request!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
auto direction = static_cast<IDBCursor::Direction>(aDirection);
nsRefPtr<OpenKeyCursorHelper> helper =
new OpenKeyCursorHelper(mTransaction, request, this, aKeyRange, direction);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"openKeyCursor(%s, %s)",
"IDBRequest[%llu] MT IDBObjectStore.openKeyCursor()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange),
IDB_PROFILER_STRING(direction));
return request.forget();
}
void
IDBObjectStore::SetInfo(ObjectStoreInfo* aInfo)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread");
NS_ASSERTION(aInfo != mInfo, "This is nonsense");
mInfo = aInfo;
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndexInternal(const IndexInfo& aInfo, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IndexInfo* indexInfo = mInfo->indexes.AppendElement();
indexInfo->name = aInfo.name;
indexInfo->id = aInfo.id;
indexInfo->keyPath = aInfo.keyPath;
indexInfo->unique = aInfo.unique;
indexInfo->multiEntry = aInfo.multiEntry;
// Don't leave this in the list if we fail below!
AutoRemoveIndex autoRemove(mInfo, aInfo.name);
nsRefPtr<IDBIndex> index = IDBIndex::Create(this, indexInfo, true);
mCreatedIndexes.AppendElement(index);
if (IndexedDatabaseManager::IsMainProcess()) {
nsRefPtr<CreateIndexHelper> helper =
new CreateIndexHelper(mTransaction, index);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
}
autoRemove.forget();
IDB_PROFILER_MARK("IndexedDB Pseudo-request: "
"database(%s).transaction(%s).objectStore(%s)."
"createIndex(%s)",
"MT IDBObjectStore.createIndex()",
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(index));
return index.forget();
}
already_AddRefed<IDBIndex>
IDBObjectStore::Index(const nsAString& aName, ErrorResult &aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (mTransaction->IsFinished()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
IndexInfo* indexInfo = nullptr;
uint32_t indexCount = mInfo->indexes.Length();
for (uint32_t index = 0; index < indexCount; index++) {
if (mInfo->indexes[index].name == aName) {
indexInfo = &(mInfo->indexes[index]);
break;
}
}
if (!indexInfo) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return nullptr;
}
nsRefPtr<IDBIndex> retval;
for (uint32_t i = 0; i < mCreatedIndexes.Length(); i++) {
nsRefPtr<IDBIndex>& index = mCreatedIndexes[i];
if (index->Name() == aName) {
retval = index;
break;
}
}
if (!retval) {
retval = IDBIndex::Create(this, indexInfo, false);
if (!retval) {
IDB_WARNING("Failed to create index!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
if (!mCreatedIndexes.AppendElement(retval)) {
IDB_WARNING("Out of memory!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
}
return retval.forget();
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JSVAL_MEMBER_CALLBACK(mCachedKeyPath)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTransaction)
for (uint32_t i = 0; i < tmp->mCreatedIndexes.Length(); i++) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mCreatedIndexes[i]");
cb.NoteXPCOMChild(static_cast<nsISupports*>(tmp->mCreatedIndexes[i].get()));
}
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
// Don't unlink mTransaction!
tmp->mCreatedIndexes.Clear();
tmp->mCachedKeyPath = JSVAL_VOID;
if (tmp->mRooted) {
mozilla::DropJSObjects(tmp);
tmp->mRooted = false;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBObjectStore)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBObjectStore)
JSObject*
IDBObjectStore::WrapObject(JSContext* aCx)
{
return IDBObjectStoreBinding::Wrap(aCx, this);
}
void
IDBObjectStore::GetKeyPath(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mCachedKeyPath.isUndefined()) {
JS::ExposeValueToActiveJS(mCachedKeyPath);
aResult.set(mCachedKeyPath);
return;
}
aRv = GetKeyPath().ToJSVal(aCx, mCachedKeyPath);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (mCachedKeyPath.isGCThing()) {
mozilla::HoldJSObjects(this);
mRooted = true;
}
JS::ExposeValueToActiveJS(mCachedKeyPath);
aResult.set(mCachedKeyPath);
}
already_AddRefed<DOMStringList>
IDBObjectStore::GetIndexNames(ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsRefPtr<DOMStringList> list(new DOMStringList());
nsTArray<nsString>& names = list->StringArray();
uint32_t count = mInfo->indexes.Length();
names.SetCapacity(count);
for (uint32_t index = 0; index < count; index++) {
names.InsertElementSorted(mInfo->indexes[index].name);
}
return list.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::Get(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
if (!keyRange) {
// Must specify a key or keyRange for get().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return nullptr;
}
return GetInternal(keyRange, aRv);
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetAll(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
uint32_t limit = UINT32_MAX;
if (aLimit.WasPassed() && aLimit.Value() != 0) {
limit = aLimit.Value();
}
return GetAllInternal(keyRange, limit, aRv);
}
already_AddRefed<IDBRequest>
IDBObjectStore::Delete(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
if (!keyRange) {
// Must specify a key or keyRange for delete().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return nullptr;
}
return DeleteInternal(keyRange, aRv);
}
already_AddRefed<IDBRequest>
IDBObjectStore::OpenCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aRange, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
IDBCursor::Direction direction = IDBCursor::ConvertDirection(aDirection);
size_t argDirection = static_cast<size_t>(direction);
return OpenCursorInternal(keyRange, argDirection, aRv);
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndex(JSContext* aCx, const nsAString& aName,
const nsAString& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
KeyPath keyPath(0);
if (NS_FAILED(KeyPath::Parse(aCx, aKeyPath, &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
return CreateIndex(aCx, aName, keyPath, aOptionalParameters, aRv);
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndex(JSContext* aCx, const nsAString& aName,
const Sequence<nsString >& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!");
if (!aKeyPath.Length()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
KeyPath keyPath(0);
if (NS_FAILED(KeyPath::Parse(aCx, aKeyPath, &keyPath))) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
return CreateIndex(aCx, aName, keyPath, aOptionalParameters, aRv);
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndex(JSContext* aCx, const nsAString& aName,
KeyPath& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
// Check name and current mode
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction != mTransaction ||
mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
bool found = false;
uint32_t indexCount = mInfo->indexes.Length();
for (uint32_t index = 0; index < indexCount; index++) {
if (mInfo->indexes[index].name == aName) {
found = true;
break;
}
}
if (found) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR);
return nullptr;
}
NS_ASSERTION(mTransaction->IsOpen(), "Impossible!");
#ifdef DEBUG
for (uint32_t index = 0; index < mCreatedIndexes.Length(); index++) {
if (mCreatedIndexes[index]->Name() == aName) {
NS_ERROR("Already created this one!");
}
}
#endif
if (aOptionalParameters.mMultiEntry && aKeyPath.IsArray()) {
aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return nullptr;
}
DatabaseInfo* databaseInfo = mTransaction->DBInfo();
IndexInfo info;
info.name = aName;
info.id = databaseInfo->nextIndexId++;
info.keyPath = aKeyPath;
info.unique = aOptionalParameters.mUnique;
info.multiEntry = aOptionalParameters.mMultiEntry;
return CreateIndexInternal(info, aRv);
}
void
IDBObjectStore::DeleteIndex(const nsAString& aName, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction != mTransaction ||
mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return;
}
NS_ASSERTION(mTransaction->IsOpen(), "Impossible!");
uint32_t index = 0;
for (; index < mInfo->indexes.Length(); index++) {
if (mInfo->indexes[index].name == aName) {
break;
}
}
if (index == mInfo->indexes.Length()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return;
}
if (IndexedDatabaseManager::IsMainProcess()) {
nsRefPtr<DeleteIndexHelper> helper =
new DeleteIndexHelper(mTransaction, this, aName);
nsresult rv = helper->DispatchToTransactionPool();
if (NS_FAILED(rv)) {
IDB_WARNING("Failed to dispatch!");
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
}
else {
NS_ASSERTION(mActorChild, "Must have an actor here!");
mActorChild->SendDeleteIndex(nsString(aName));
}
mInfo->indexes.RemoveElementAt(index);
for (uint32_t i = 0; i < mCreatedIndexes.Length(); i++) {
if (mCreatedIndexes[i]->Name() == aName) {
mCreatedIndexes.RemoveElementAt(i);
break;
}
}
IDB_PROFILER_MARK("IndexedDB Pseudo-request: "
"database(%s).transaction(%s).objectStore(%s)."
"deleteIndex(\"%s\")",
"MT IDBObjectStore.deleteIndex()",
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
NS_ConvertUTF16toUTF8(aName).get());
}
already_AddRefed<IDBRequest>
IDBObjectStore::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
return CountInternal(keyRange, aRv);
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetAllKeys(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
uint32_t limit = UINT32_MAX;
if (aLimit.WasPassed() && aLimit.Value() != 0) {
limit = aLimit.Value();
}
return GetAllKeysInternal(keyRange, limit, aRv);
}
already_AddRefed<IDBRequest>
IDBObjectStore::OpenKeyCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aRange, getter_AddRefs(keyRange));
ENSURE_SUCCESS(aRv, nullptr);
IDBCursor::Direction direction = IDBCursor::ConvertDirection(aDirection);
return OpenKeyCursorInternal(keyRange, static_cast<size_t>(direction), aRv);
}
inline nsresult
CopyData(nsIInputStream* aInputStream, nsIOutputStream* aOutputStream)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("IDBObjectStore", "CopyData",
js::ProfileEntry::Category::STORAGE);
nsresult rv;
do {
char copyBuffer[FILE_COPY_BUFFER_SIZE];
uint32_t numRead;
rv = aInputStream->Read(copyBuffer, sizeof(copyBuffer), &numRead);
NS_ENSURE_SUCCESS(rv, rv);
if (!numRead) {
break;
}
uint32_t numWrite;
rv = aOutputStream->Write(copyBuffer, numRead, &numWrite);
if (rv == NS_ERROR_FILE_NO_DEVICE_SPACE) {
rv = NS_ERROR_DOM_INDEXEDDB_QUOTA_ERR;
}
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(numWrite == numRead, NS_ERROR_FAILURE);
} while (true);
rv = aOutputStream->Flush();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
void
ObjectStoreHelper::ReleaseMainThreadObjects()
{
mObjectStore = nullptr;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
nsresult
ObjectStoreHelper::Dispatch(nsIEventTarget* aDatabaseThread)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
PROFILER_MAIN_THREAD_LABEL("ObjectStoreHelper", "Dispatch",
js::ProfileEntry::Category::STORAGE);
if (IndexedDatabaseManager::IsMainProcess()) {
return AsyncConnectionHelper::Dispatch(aDatabaseThread);
}
// If we've been invalidated then there's no point sending anything to the
// parent process.
if (mObjectStore->Transaction()->Database()->IsInvalidated()) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
IndexedDBObjectStoreChild* objectStoreActor = mObjectStore->GetActorChild();
NS_ASSERTION(objectStoreActor, "Must have an actor here!");
ObjectStoreRequestParams params;
// Our "parent" process may be either the root process or another content
// process if this indexedDB is managed by a PBrowser that is managed by a
// PContentBridge. We need to find which one it is so that we can create
// PBlobs that are managed by the right nsIContentChild.
IndexedDBChild* rootActor =
static_cast<IndexedDBChild*>(objectStoreActor->Manager()->
Manager()->Manager());
nsIContentChild* blobCreator;
if (rootActor->GetManagerContent()) {
blobCreator = rootActor->GetManagerContent();
} else {
blobCreator = rootActor->GetManagerTab()->Manager();
}
nsresult rv = PackArgumentsForParentProcess(params, blobCreator);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NoDispatchEventTarget target;
rv = AsyncConnectionHelper::Dispatch(&target);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mActor =
new IndexedDBObjectStoreRequestChild(this, mObjectStore, params.type());
objectStoreActor->SendPIndexedDBRequestConstructor(mActor, params);
return NS_OK;
}
void
NoRequestObjectStoreHelper::ReleaseMainThreadObjects()
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mObjectStore = nullptr;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
nsresult
NoRequestObjectStoreHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
MOZ_CRASH();
}
AsyncConnectionHelper::ChildProcessSendResult
NoRequestObjectStoreHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
return Success_NotSent;
}
nsresult
NoRequestObjectStoreHelper::OnSuccess()
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
return NS_OK;
}
void
NoRequestObjectStoreHelper::OnError()
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mTransaction->Abort(GetResultCode());
}
// This is a duplicate of the js engine's byte munging in StructuredClone.cpp
uint64_t
ReinterpretDoubleAsUInt64(double d)
{
union {
double d;
uint64_t u;
} pun;
pun.d = d;
return pun.u;
}
nsresult
AddHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aConnection, "Passed a null connection!");
PROFILER_LABEL("AddHelper", "DoDatabaseWork",
js::ProfileEntry::Category::STORAGE);
if (IndexedDatabaseManager::InLowDiskSpaceMode()) {
NS_WARNING("Refusing to add more data because disk space is low!");
return NS_ERROR_DOM_INDEXEDDB_QUOTA_ERR;
}
nsresult rv;
bool keyUnset = mKey.IsUnset();
int64_t osid = mObjectStore->Id();
const KeyPath& keyPath = mObjectStore->GetKeyPath();
// The "|| keyUnset" here is mostly a debugging tool. If a key isn't
// specified we should never have a collision and so it shouldn't matter
// if we allow overwrite or not. By not allowing overwrite we raise
// detectable errors rather than corrupting data
nsCOMPtr<mozIStorageStatement> stmt = !mOverwrite || keyUnset ?
mTransaction->GetCachedStatement(
"INSERT INTO object_data (object_store_id, key_value, data, file_ids) "
"VALUES (:osid, :key_value, :data, :file_ids)") :
mTransaction->GetCachedStatement(
"INSERT OR REPLACE INTO object_data (object_store_id, key_value, data, "
"file_ids) "
"VALUES (:osid, :key_value, :data, :file_ids)");
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!keyUnset || mObjectStore->IsAutoIncrement(),
"Should have key unless autoincrement");
int64_t autoIncrementNum = 0;
if (mObjectStore->IsAutoIncrement()) {
if (keyUnset) {
autoIncrementNum = mObjectStore->Info()->nextAutoIncrementId;
MOZ_ASSERT(autoIncrementNum > 0,
"Generated key must always be a positive integer");
if (autoIncrementNum > (1LL << 53)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
mKey.SetFromInteger(autoIncrementNum);
}
else if (mKey.IsFloat() &&
mKey.ToFloat() >= mObjectStore->Info()->nextAutoIncrementId) {
autoIncrementNum = floor(mKey.ToFloat());
}
if (keyUnset && keyPath.IsValid()) {
// Special case where someone put an object into an autoIncrement'ing
// objectStore with no key in its keyPath set. We needed to figure out
// which row id we would get above before we could set that properly.
LittleEndian::writeUint64((char*)mCloneWriteInfo.mCloneBuffer.data() +
mCloneWriteInfo.mOffsetToKeyProp,
ReinterpretDoubleAsUInt64(static_cast<double>(
autoIncrementNum)));
}
}
mKey.BindToStatement(stmt, NS_LITERAL_CSTRING("key_value"));
// Compress the bytes before adding into the database.
const char* uncompressed =
reinterpret_cast<const char*>(mCloneWriteInfo.mCloneBuffer.data());
size_t uncompressedLength = mCloneWriteInfo.mCloneBuffer.nbytes();
// We don't have a smart pointer class that calls moz_free, so we need to
// manage | compressed | manually.
{
size_t compressedLength = snappy::MaxCompressedLength(uncompressedLength);
// moz_malloc is equivalent to NS_Alloc, which we use because mozStorage
// expects to be able to free the adopted pointer with NS_Free.
char* compressed = (char*)moz_malloc(compressedLength);
NS_ENSURE_TRUE(compressed, NS_ERROR_OUT_OF_MEMORY);
snappy::RawCompress(uncompressed, uncompressedLength, compressed,
&compressedLength);
uint8_t* dataBuffer = reinterpret_cast<uint8_t*>(compressed);
size_t dataBufferLength = compressedLength;
// If this call succeeds, | compressed | is now owned by the statement, and
// we are no longer responsible for it.
rv = stmt->BindAdoptedBlobByName(NS_LITERAL_CSTRING("data"), dataBuffer,
dataBufferLength);
if (NS_FAILED(rv)) {
moz_free(compressed);
}
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
// Handle blobs
uint32_t length = mCloneWriteInfo.mFiles.Length();
if (length) {
nsRefPtr<FileManager> fileManager = mDatabase->Manager();
nsCOMPtr<nsIFile> directory = fileManager->GetDirectory();
IDB_ENSURE_TRUE(directory, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsCOMPtr<nsIFile> journalDirectory = fileManager->EnsureJournalDirectory();
IDB_ENSURE_TRUE(journalDirectory, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsAutoString fileIds;
for (uint32_t index = 0; index < length; index++) {
StructuredCloneFile& cloneFile = mCloneWriteInfo.mFiles[index];
FileInfo* fileInfo = cloneFile.mFileInfo;
nsIInputStream* inputStream = cloneFile.mInputStream;
int64_t id = fileInfo->Id();
if (inputStream) {
// Create a journal file first
nsCOMPtr<nsIFile> nativeFile =
fileManager->GetFileForId(journalDirectory, id);
IDB_ENSURE_TRUE(nativeFile, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = nativeFile->Create(nsIFile::NORMAL_FILE_TYPE, 0644);
IDB_ENSURE_TRUE(nativeFile, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
// Now we can copy the blob
nativeFile = fileManager->GetFileForId(directory, id);
IDB_ENSURE_TRUE(nativeFile, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
IDBDatabase* database = mObjectStore->Transaction()->Database();
nsRefPtr<FileOutputStream> outputStream =
FileOutputStream::Create(database->Type(), database->Group(),
database->Origin(), nativeFile);
IDB_ENSURE_TRUE(outputStream, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = CopyData(inputStream, outputStream);
if (NS_FAILED(rv) &&
NS_ERROR_GET_MODULE(rv) != NS_ERROR_MODULE_DOM_INDEXEDDB) {
IDB_REPORT_INTERNAL_ERR();
rv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
NS_ENSURE_SUCCESS(rv, rv);
cloneFile.mFile->AddFileInfo(fileInfo);
}
if (index) {
fileIds.Append(' ');
}
fileIds.AppendInt(id);
}
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("file_ids"), fileIds);
}
else {
rv = stmt->BindNullByName(NS_LITERAL_CSTRING("file_ids"));
}
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
if (rv == NS_ERROR_STORAGE_CONSTRAINT) {
NS_ASSERTION(!keyUnset, "Generated key had a collision!?");
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
int64_t objectDataId;
rv = aConnection->GetLastInsertRowID(&objectDataId);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
// Update our indexes if needed.
if (mOverwrite || !mIndexUpdateInfo.IsEmpty()) {
rv = IDBObjectStore::UpdateIndexes(mTransaction, osid, mKey, mOverwrite,
objectDataId, mIndexUpdateInfo);
if (rv == NS_ERROR_STORAGE_CONSTRAINT) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
if (autoIncrementNum) {
mObjectStore->Info()->nextAutoIncrementId = autoIncrementNum + 1;
}
return NS_OK;
}
nsresult
AddHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
NS_ASSERTION(!mKey.IsUnset(), "Badness!");
mCloneWriteInfo.mCloneBuffer.clear();
return mKey.ToJSVal(aCx, aVal);
}
void
AddHelper::ReleaseMainThreadObjects()
{
IDBObjectStore::ClearCloneWriteInfo(mCloneWriteInfo);
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
AddHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("AddHelper", "PackArgumentsForParentProcess",
js::ProfileEntry::Category::STORAGE);
AddPutParams commonParams;
commonParams.cloneInfo() = mCloneWriteInfo;
commonParams.key() = mKey;
commonParams.indexUpdateInfos().AppendElements(mIndexUpdateInfo);
const nsTArray<StructuredCloneFile>& files = mCloneWriteInfo.mFiles;
if (!files.IsEmpty()) {
uint32_t fileCount = files.Length();
InfallibleTArray<PBlobChild*>& blobsChild = commonParams.blobsChild();
blobsChild.SetCapacity(fileCount);
NS_ASSERTION(aBlobCreator, "This should never be null!");
for (uint32_t index = 0; index < fileCount; index++) {
const StructuredCloneFile& file = files[index];
NS_ASSERTION(file.mFile, "This should never be null!");
NS_ASSERTION(!file.mFileInfo, "This is not yet supported!");
BlobChild* actor =
aBlobCreator->GetOrCreateActorForBlob(file.mFile);
if (!actor) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
blobsChild.AppendElement(actor);
}
}
if (mOverwrite) {
PutParams putParams;
putParams.commonParams() = commonParams;
aParams = putParams;
}
else {
AddParams addParams;
addParams.commonParams() = commonParams;
aParams = addParams;
}
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
AddHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_MAIN_THREAD_LABEL("AddHelper", "SendResponseToChildProcess",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else if (mOverwrite) {
PutResponse putResponse;
putResponse.key() = mKey;
response = putResponse;
}
else {
AddResponse addResponse;
addResponse.key() = mKey;
response = addResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
AddHelper::UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TAddResponse ||
aResponseValue.type() == ResponseValue::TPutResponse,
"Bad response type!");
mKey = mOverwrite ?
aResponseValue.get_PutResponse().key() :
aResponseValue.get_AddResponse().key();
return NS_OK;
}
nsresult
GetHelper::DoDatabaseWork(mozIStorageConnection* /* aConnection */)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(mKeyRange, "Must have a key range here!");
PROFILER_LABEL("GetHelper", "DoDatabaseWork [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
nsCString keyRangeClause;
mKeyRange->GetBindingClause(NS_LITERAL_CSTRING("key_value"), keyRangeClause);
NS_ASSERTION(!keyRangeClause.IsEmpty(), "Huh?!");
nsCString query = NS_LITERAL_CSTRING("SELECT data, file_ids FROM object_data "
"WHERE object_store_id = :osid") +
keyRangeClause + NS_LITERAL_CSTRING(" LIMIT 1");
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv =
stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = mKeyRange->BindToStatement(stmt);
NS_ENSURE_SUCCESS(rv, rv);
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (hasResult) {
rv = IDBObjectStore::GetStructuredCloneReadInfoFromStatement(stmt, 0, 1,
mDatabase, mCloneReadInfo);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult
GetHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
bool result = IDBObjectStore::DeserializeValue(aCx, mCloneReadInfo, aVal);
mCloneReadInfo.mCloneBuffer.clear();
NS_ENSURE_TRUE(result, NS_ERROR_DOM_DATA_CLONE_ERR);
return NS_OK;
}
void
GetHelper::ReleaseMainThreadObjects()
{
mKeyRange = nullptr;
IDBObjectStore::ClearCloneReadInfo(mCloneReadInfo);
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
GetHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(mKeyRange, "This should never be null!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("GetHelper", "PackArgumentsForParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
GetParams params;
mKeyRange->ToSerializedKeyRange(params.keyRange());
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
GetHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_MAIN_THREAD_LABEL("GetHelper", "SendResponseToChildProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
InfallibleTArray<PBlobParent*> blobsParent;
if (NS_SUCCEEDED(aResultCode)) {
IDBDatabase* database = mObjectStore->Transaction()->Database();
NS_ASSERTION(database, "This should never be null!");
nsIContentParent* contentParent = database->GetContentParent();
NS_ASSERTION(contentParent, "This should never be null!");
FileManager* fileManager = database->Manager();
NS_ASSERTION(fileManager, "This should never be null!");
const nsTArray<StructuredCloneFile>& files = mCloneReadInfo.mFiles;
aResultCode =
IDBObjectStore::ConvertBlobsToActors(contentParent, fileManager, files,
blobsParent);
if (NS_FAILED(aResultCode)) {
NS_WARNING("ConvertBlobsToActors failed!");
}
}
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
GetResponse getResponse;
getResponse.cloneInfo() = mCloneReadInfo;
getResponse.blobsParent().SwapElements(blobsParent);
response = getResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
GetHelper::UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TGetResponse,
"Bad response type!");
const GetResponse& getResponse = aResponseValue.get_GetResponse();
const SerializedStructuredCloneReadInfo& cloneInfo = getResponse.cloneInfo();
NS_ASSERTION((!cloneInfo.dataLength && !cloneInfo.data) ||
(cloneInfo.dataLength && cloneInfo.data),
"Inconsistent clone info!");
if (!mCloneReadInfo.SetFromSerialized(cloneInfo)) {
IDB_WARNING("Failed to copy clone buffer!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
IDBObjectStore::ConvertActorsToBlobs(getResponse.blobsChild(),
mCloneReadInfo.mFiles);
return NS_OK;
}
nsresult
DeleteHelper::DoDatabaseWork(mozIStorageConnection* /*aConnection */)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(mKeyRange, "Must have a key range here!");
PROFILER_LABEL("DeleteHelper", "DoDatabaseWork",
js::ProfileEntry::Category::STORAGE);
nsCString keyRangeClause;
mKeyRange->GetBindingClause(NS_LITERAL_CSTRING("key_value"), keyRangeClause);
NS_ASSERTION(!keyRangeClause.IsEmpty(), "Huh?!");
nsCString query = NS_LITERAL_CSTRING("DELETE FROM object_data "
"WHERE object_store_id = :osid") +
keyRangeClause;
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = mKeyRange->BindToStatement(stmt);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
DeleteHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
aVal.setUndefined();
return NS_OK;
}
nsresult
DeleteHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(mKeyRange, "This should never be null!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("DeleteHelper", "PackArgumentsForParentProcess",
js::ProfileEntry::Category::STORAGE);
DeleteParams params;
mKeyRange->ToSerializedKeyRange(params.keyRange());
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
DeleteHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_MAIN_THREAD_LABEL("DeleteHelper", "SendResponseToChildProcess",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
response = DeleteResponse();
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
DeleteHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TDeleteResponse,
"Bad response type!");
return NS_OK;
}
nsresult
ClearHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aConnection, "Passed a null connection!");
PROFILER_LABEL("ClearHelper", "DoDatabaseWork",
js::ProfileEntry::Category::STORAGE);
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(
NS_LITERAL_CSTRING("DELETE FROM object_data "
"WHERE object_store_id = :osid"));
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
ClearHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("ClearHelper", "PackArgumentsForParentProcess",
js::ProfileEntry::Category::STORAGE);
aParams = ClearParams();
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
ClearHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_MAIN_THREAD_LABEL("ClearHelper", "SendResponseToChildProcess",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
response = ClearResponse();
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
ClearHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TClearResponse,
"Bad response type!");
return NS_OK;
}
nsresult
OpenCursorHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("OpenCursorHelper", "DoDatabaseWork [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
NS_NAMED_LITERAL_CSTRING(keyValue, "key_value");
nsCString keyRangeClause;
if (mKeyRange) {
mKeyRange->GetBindingClause(keyValue, keyRangeClause);
}
nsAutoCString directionClause;
switch (mDirection) {
case IDBCursor::NEXT:
case IDBCursor::NEXT_UNIQUE:
directionClause.AssignLiteral(" ORDER BY key_value ASC");
break;
case IDBCursor::PREV:
case IDBCursor::PREV_UNIQUE:
directionClause.AssignLiteral(" ORDER BY key_value DESC");
break;
default:
NS_NOTREACHED("Unknown direction type!");
}
nsCString firstQuery = NS_LITERAL_CSTRING("SELECT key_value, data, file_ids "
"FROM object_data "
"WHERE object_store_id = :id") +
keyRangeClause + directionClause +
NS_LITERAL_CSTRING(" LIMIT 1");
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(firstQuery);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"),
mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (mKeyRange) {
rv = mKeyRange->BindToStatement(stmt);
NS_ENSURE_SUCCESS(rv, rv);
}
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!hasResult) {
mKey.Unset();
return NS_OK;
}
rv = mKey.SetFromStatement(stmt, 0);
NS_ENSURE_SUCCESS(rv, rv);
rv = IDBObjectStore::GetStructuredCloneReadInfoFromStatement(stmt, 1, 2,
mDatabase, mCloneReadInfo);
NS_ENSURE_SUCCESS(rv, rv);
// Now we need to make the query to get the next match.
keyRangeClause.Truncate();
nsAutoCString continueToKeyRangeClause;
NS_NAMED_LITERAL_CSTRING(currentKey, "current_key");
NS_NAMED_LITERAL_CSTRING(rangeKey, "range_key");
switch (mDirection) {
case IDBCursor::NEXT:
case IDBCursor::NEXT_UNIQUE:
AppendConditionClause(keyValue, currentKey, false, false,
keyRangeClause);
AppendConditionClause(keyValue, currentKey, false, true,
continueToKeyRangeClause);
if (mKeyRange && !mKeyRange->Upper().IsUnset()) {
AppendConditionClause(keyValue, rangeKey, true,
!mKeyRange->IsUpperOpen(), keyRangeClause);
AppendConditionClause(keyValue, rangeKey, true,
!mKeyRange->IsUpperOpen(),
continueToKeyRangeClause);
mRangeKey = mKeyRange->Upper();
}
break;
case IDBCursor::PREV:
case IDBCursor::PREV_UNIQUE:
AppendConditionClause(keyValue, currentKey, true, false, keyRangeClause);
AppendConditionClause(keyValue, currentKey, true, true,
continueToKeyRangeClause);
if (mKeyRange && !mKeyRange->Lower().IsUnset()) {
AppendConditionClause(keyValue, rangeKey, false,
!mKeyRange->IsLowerOpen(), keyRangeClause);
AppendConditionClause(keyValue, rangeKey, false,
!mKeyRange->IsLowerOpen(),
continueToKeyRangeClause);
mRangeKey = mKeyRange->Lower();
}
break;
default:
NS_NOTREACHED("Unknown direction type!");
}
NS_NAMED_LITERAL_CSTRING(queryStart, "SELECT key_value, data, file_ids "
"FROM object_data "
"WHERE object_store_id = :id");
mContinueQuery = queryStart + keyRangeClause + directionClause +
NS_LITERAL_CSTRING(" LIMIT ");
mContinueToQuery = queryStart + continueToKeyRangeClause + directionClause +
NS_LITERAL_CSTRING(" LIMIT ");
return NS_OK;
}
nsresult
OpenCursorHelper::EnsureCursor()
{
if (mCursor || mKey.IsUnset()) {
return NS_OK;
}
mSerializedCloneReadInfo = mCloneReadInfo;
NS_ASSERTION(mSerializedCloneReadInfo.data &&
mSerializedCloneReadInfo.dataLength,
"Shouldn't be possible!");
nsRefPtr<IDBCursor> cursor =
IDBCursor::Create(mRequest, mTransaction, mObjectStore, mDirection,
mRangeKey, mContinueQuery, mContinueToQuery, mKey,
Move(mCloneReadInfo));
IDB_ENSURE_TRUE(cursor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!mCloneReadInfo.mCloneBuffer.data(), "Should have swapped!");
mCursor.swap(cursor);
return NS_OK;
}
nsresult
OpenCursorHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
nsresult rv = EnsureCursor();
NS_ENSURE_SUCCESS(rv, rv);
if (mCursor) {
rv = WrapNative(aCx, mCursor, aVal);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
else {
aVal.setUndefined();
}
return NS_OK;
}
void
OpenCursorHelper::ReleaseMainThreadObjects()
{
mKeyRange = nullptr;
IDBObjectStore::ClearCloneReadInfo(mCloneReadInfo);
mCursor = nullptr;
// These don't need to be released on the main thread but they're only valid
// as long as mCursor is set.
mSerializedCloneReadInfo.data = nullptr;
mSerializedCloneReadInfo.dataLength = 0;
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
OpenCursorHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("OpenCursorHelper", "PackArgumentsForParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
OpenCursorParams params;
if (mKeyRange) {
KeyRange keyRange;
mKeyRange->ToSerializedKeyRange(keyRange);
params.optionalKeyRange() = keyRange;
}
else {
params.optionalKeyRange() = mozilla::void_t();
}
params.direction() = mDirection;
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
OpenCursorHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(!mCursor, "Shouldn't have this yet!");
PROFILER_MAIN_THREAD_LABEL("OpenCursorHelper", "SendResponseToChildProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
InfallibleTArray<PBlobParent*> blobsParent;
if (NS_SUCCEEDED(aResultCode)) {
IDBDatabase* database = mObjectStore->Transaction()->Database();
NS_ASSERTION(database, "This should never be null!");
nsIContentParent* contentParent = database->GetContentParent();
NS_ASSERTION(contentParent, "This should never be null!");
FileManager* fileManager = database->Manager();
NS_ASSERTION(fileManager, "This should never be null!");
const nsTArray<StructuredCloneFile>& files = mCloneReadInfo.mFiles;
aResultCode =
IDBObjectStore::ConvertBlobsToActors(contentParent, fileManager, files,
blobsParent);
if (NS_FAILED(aResultCode)) {
NS_WARNING("ConvertBlobsToActors failed!");
}
}
if (NS_SUCCEEDED(aResultCode)) {
nsresult rv = EnsureCursor();
if (NS_FAILED(rv)) {
NS_WARNING("EnsureCursor failed!");
aResultCode = rv;
}
}
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
OpenCursorResponse openCursorResponse;
if (!mCursor) {
openCursorResponse = mozilla::void_t();
}
else {
IndexedDBObjectStoreParent* objectStoreActor =
mObjectStore->GetActorParent();
NS_ASSERTION(objectStoreActor, "Must have an actor here!");
IndexedDBRequestParentBase* requestActor = mRequest->GetActorParent();
NS_ASSERTION(requestActor, "Must have an actor here!");
NS_ASSERTION(mSerializedCloneReadInfo.data &&
mSerializedCloneReadInfo.dataLength,
"Shouldn't be possible!");
ObjectStoreCursorConstructorParams params;
params.requestParent() = requestActor;
params.direction() = mDirection;
params.key() = mKey;
params.optionalCloneInfo() = mSerializedCloneReadInfo;
params.blobsParent().SwapElements(blobsParent);
if (!objectStoreActor->OpenCursor(mCursor, params, openCursorResponse)) {
return Error;
}
}
response = openCursorResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
OpenCursorHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TOpenCursorResponse,
"Bad response type!");
NS_ASSERTION(aResponseValue.get_OpenCursorResponse().type() ==
OpenCursorResponse::Tvoid_t ||
aResponseValue.get_OpenCursorResponse().type() ==
OpenCursorResponse::TPIndexedDBCursorChild,
"Bad response union type!");
NS_ASSERTION(!mCursor, "Shouldn't have this yet!");
const OpenCursorResponse& response =
aResponseValue.get_OpenCursorResponse();
switch (response.type()) {
case OpenCursorResponse::Tvoid_t:
break;
case OpenCursorResponse::TPIndexedDBCursorChild: {
IndexedDBCursorChild* actor =
static_cast<IndexedDBCursorChild*>(
response.get_PIndexedDBCursorChild());
mCursor = actor->ForgetStrongCursor();
NS_ASSERTION(mCursor, "This should never be null!");
} break;
default:
MOZ_CRASH();
}
return NS_OK;
}
nsresult
OpenKeyCursorHelper::DoDatabaseWork(mozIStorageConnection* /* aConnection */)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(IndexedDatabaseManager::IsMainProcess());
PROFILER_LABEL("OpenKeyCursorHelper", "DoDatabaseWork [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
NS_NAMED_LITERAL_CSTRING(keyValue, "key_value");
NS_NAMED_LITERAL_CSTRING(id, "id");
NS_NAMED_LITERAL_CSTRING(openLimit, " LIMIT ");
nsAutoCString queryStart = NS_LITERAL_CSTRING("SELECT ") + keyValue +
NS_LITERAL_CSTRING(" FROM object_data WHERE "
"object_store_id = :") +
id;
nsAutoCString keyRangeClause;
if (mKeyRange) {
mKeyRange->GetBindingClause(keyValue, keyRangeClause);
}
nsAutoCString directionClause = NS_LITERAL_CSTRING(" ORDER BY ") + keyValue;
switch (mDirection) {
case IDBCursor::NEXT:
case IDBCursor::NEXT_UNIQUE:
directionClause.AppendLiteral(" ASC");
break;
case IDBCursor::PREV:
case IDBCursor::PREV_UNIQUE:
directionClause.AppendLiteral(" DESC");
break;
default:
MOZ_CRASH("Unknown direction type!");
}
nsCString firstQuery = queryStart + keyRangeClause + directionClause +
openLimit + NS_LITERAL_CSTRING("1");
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(firstQuery);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(id, mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (mKeyRange) {
rv = mKeyRange->BindToStatement(stmt);
NS_ENSURE_SUCCESS(rv, rv);
}
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!hasResult) {
mKey.Unset();
return NS_OK;
}
rv = mKey.SetFromStatement(stmt, 0);
NS_ENSURE_SUCCESS(rv, rv);
// Now we need to make the query to get the next match.
keyRangeClause.Truncate();
nsAutoCString continueToKeyRangeClause;
NS_NAMED_LITERAL_CSTRING(currentKey, "current_key");
NS_NAMED_LITERAL_CSTRING(rangeKey, "range_key");
switch (mDirection) {
case IDBCursor::NEXT:
case IDBCursor::NEXT_UNIQUE:
AppendConditionClause(keyValue, currentKey, false, false,
keyRangeClause);
AppendConditionClause(keyValue, currentKey, false, true,
continueToKeyRangeClause);
if (mKeyRange && !mKeyRange->Upper().IsUnset()) {
AppendConditionClause(keyValue, rangeKey, true,
!mKeyRange->IsUpperOpen(), keyRangeClause);
AppendConditionClause(keyValue, rangeKey, true,
!mKeyRange->IsUpperOpen(),
continueToKeyRangeClause);
mRangeKey = mKeyRange->Upper();
}
break;
case IDBCursor::PREV:
case IDBCursor::PREV_UNIQUE:
AppendConditionClause(keyValue, currentKey, true, false, keyRangeClause);
AppendConditionClause(keyValue, currentKey, true, true,
continueToKeyRangeClause);
if (mKeyRange && !mKeyRange->Lower().IsUnset()) {
AppendConditionClause(keyValue, rangeKey, false,
!mKeyRange->IsLowerOpen(), keyRangeClause);
AppendConditionClause(keyValue, rangeKey, false,
!mKeyRange->IsLowerOpen(),
continueToKeyRangeClause);
mRangeKey = mKeyRange->Lower();
}
break;
default:
MOZ_CRASH("Unknown direction type!");
}
mContinueQuery = queryStart + keyRangeClause + directionClause + openLimit;
mContinueToQuery = queryStart + continueToKeyRangeClause + directionClause +
openLimit;
return NS_OK;
}
nsresult
OpenKeyCursorHelper::EnsureCursor()
{
MOZ_ASSERT(NS_IsMainThread());
PROFILER_MAIN_THREAD_LABEL("OpenKeyCursorHelper", "EnsureCursor [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
if (mCursor || mKey.IsUnset()) {
return NS_OK;
}
mCursor = IDBCursor::Create(mRequest, mTransaction, mObjectStore, mDirection,
mRangeKey, mContinueQuery, mContinueToQuery,
mKey);
IDB_ENSURE_TRUE(mCursor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
OpenKeyCursorHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
MOZ_ASSERT(NS_IsMainThread());
PROFILER_MAIN_THREAD_LABEL("OpenKeyCursorHelper", "GetSuccessResult [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
nsresult rv = EnsureCursor();
NS_ENSURE_SUCCESS(rv, rv);
if (mCursor) {
rv = WrapNative(aCx, mCursor, aVal);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
else {
aVal.setUndefined();
}
return NS_OK;
}
void
OpenKeyCursorHelper::ReleaseMainThreadObjects()
{
MOZ_ASSERT(NS_IsMainThread());
mKeyRange = nullptr;
mCursor = nullptr;
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
OpenKeyCursorHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!IndexedDatabaseManager::IsMainProcess());
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("OpenKeyCursorHelper", "PackArgumentsForParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
OpenKeyCursorParams params;
if (mKeyRange) {
KeyRange keyRange;
mKeyRange->ToSerializedKeyRange(keyRange);
params.optionalKeyRange() = keyRange;
}
else {
params.optionalKeyRange() = mozilla::void_t();
}
params.direction() = mDirection;
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
OpenKeyCursorHelper::SendResponseToChildProcess(nsresult aResultCode)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(IndexedDatabaseManager::IsMainProcess());
MOZ_ASSERT(!mCursor);
PROFILER_MAIN_THREAD_LABEL("OpenKeyCursorHelper", "SendResponseToChildProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
MOZ_ASSERT(actor);
if (NS_SUCCEEDED(aResultCode)) {
nsresult rv = EnsureCursor();
if (NS_FAILED(rv)) {
NS_WARNING("EnsureCursor failed!");
aResultCode = rv;
}
}
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
} else {
OpenCursorResponse openCursorResponse;
if (!mCursor) {
openCursorResponse = mozilla::void_t();
}
else {
IndexedDBObjectStoreParent* objectStoreActor =
mObjectStore->GetActorParent();
MOZ_ASSERT(objectStoreActor);
IndexedDBRequestParentBase* requestActor = mRequest->GetActorParent();
MOZ_ASSERT(requestActor);
ObjectStoreCursorConstructorParams params;
params.requestParent() = requestActor;
params.direction() = mDirection;
params.key() = mKey;
params.optionalCloneInfo() = mozilla::void_t();
if (!objectStoreActor->OpenCursor(mCursor, params, openCursorResponse)) {
return Error;
}
}
response = openCursorResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
OpenKeyCursorHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!IndexedDatabaseManager::IsMainProcess());
MOZ_ASSERT(aResponseValue.type() == ResponseValue::TOpenCursorResponse);
MOZ_ASSERT(aResponseValue.get_OpenCursorResponse().type() ==
OpenCursorResponse::Tvoid_t ||
aResponseValue.get_OpenCursorResponse().type() ==
OpenCursorResponse::TPIndexedDBCursorChild);
MOZ_ASSERT(!mCursor);
PROFILER_MAIN_THREAD_LABEL("OpenKeyCursorHelper", "UnpackResponseFromParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
const OpenCursorResponse& response =
aResponseValue.get_OpenCursorResponse();
switch (response.type()) {
case OpenCursorResponse::Tvoid_t:
break;
case OpenCursorResponse::TPIndexedDBCursorChild: {
IndexedDBCursorChild* actor =
static_cast<IndexedDBCursorChild*>(
response.get_PIndexedDBCursorChild());
mCursor = actor->ForgetStrongCursor();
NS_ASSERTION(mCursor, "This should never be null!");
} break;
default:
MOZ_CRASH("Unknown response union type!");
}
return NS_OK;
}
nsresult
CreateIndexHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("CreateIndexHelper", "DoDatabaseWork",
js::ProfileEntry::Category::STORAGE);
if (IndexedDatabaseManager::InLowDiskSpaceMode()) {
NS_WARNING("Refusing to create index because disk space is low!");
return NS_ERROR_DOM_INDEXEDDB_QUOTA_ERR;
}
// Insert the data into the database.
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(
"INSERT INTO object_store_index (id, name, key_path, unique_index, "
"multientry, object_store_id) "
"VALUES (:id, :name, :key_path, :unique, :multientry, :osid)"
);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"),
mIndex->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mIndex->Name());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsAutoString keyPathSerialization;
mIndex->GetKeyPath().SerializeToString(keyPathSerialization);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
keyPathSerialization);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("unique"),
mIndex->IsUnique() ? 1 : 0);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("multientry"),
mIndex->IsMultiEntry() ? 1 : 0);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mIndex->ObjectStore()->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (NS_FAILED(stmt->Execute())) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
#ifdef DEBUG
{
int64_t id;
aConnection->GetLastInsertRowID(&id);
NS_ASSERTION(mIndex->Id() == id, "Bad index id!");
}
#endif
// Now we need to populate the index with data from the object store.
rv = InsertDataFromObjectStore(aConnection);
if (NS_FAILED(rv)) {
return rv;
}
return NS_OK;
}
void
CreateIndexHelper::ReleaseMainThreadObjects()
{
mIndex = nullptr;
NoRequestObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
CreateIndexHelper::InsertDataFromObjectStore(mozIStorageConnection* aConnection)
{
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(
NS_LITERAL_CSTRING("SELECT id, data, file_ids, key_value FROM "
"object_data WHERE object_store_id = :osid"));
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mIndex->ObjectStore()->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
IDB_ENSURE_TRUE(sTLSIndex != BAD_TLS_INDEX,
NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!hasResult) {
// Bail early if we have no data to avoid creating the below runtime
return NS_OK;
}
ThreadLocalJSRuntime* tlsEntry =
reinterpret_cast<ThreadLocalJSRuntime*>(PR_GetThreadPrivate(sTLSIndex));
if (!tlsEntry) {
tlsEntry = ThreadLocalJSRuntime::Create();
IDB_ENSURE_TRUE(tlsEntry, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
PR_SetThreadPrivate(sTLSIndex, tlsEntry);
}
JSContext* cx = tlsEntry->Context();
JSAutoRequest ar(cx);
JSAutoCompartment ac(cx, tlsEntry->Global());
do {
StructuredCloneReadInfo cloneReadInfo;
rv = IDBObjectStore::GetStructuredCloneReadInfoFromStatement(stmt, 1, 2,
mDatabase, cloneReadInfo);
NS_ENSURE_SUCCESS(rv, rv);
JSAutoStructuredCloneBuffer& buffer = cloneReadInfo.mCloneBuffer;
JSStructuredCloneCallbacks callbacks = {
IDBObjectStore::StructuredCloneReadCallback<CreateIndexDeserializationTraits>,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
};
JS::Rooted<JS::Value> clone(cx);
if (!buffer.read(cx, &clone, &callbacks, &cloneReadInfo)) {
NS_WARNING("Failed to deserialize structured clone data!");
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
nsTArray<IndexUpdateInfo> updateInfo;
rv = IDBObjectStore::AppendIndexUpdateInfo(mIndex->Id(),
mIndex->GetKeyPath(),
mIndex->IsUnique(),
mIndex->IsMultiEntry(),
tlsEntry->Context(),
clone, updateInfo);
NS_ENSURE_SUCCESS(rv, rv);
int64_t objectDataID = stmt->AsInt64(0);
Key key;
rv = key.SetFromStatement(stmt, 3);
NS_ENSURE_SUCCESS(rv, rv);
rv = IDBObjectStore::UpdateIndexes(mTransaction, mIndex->Id(),
key, false, objectDataID, updateInfo);
NS_ENSURE_SUCCESS(rv, rv);
} while (NS_SUCCEEDED(rv = stmt->ExecuteStep(&hasResult)) && hasResult);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
void
CreateIndexHelper::DestroyTLSEntry(void* aPtr)
{
delete reinterpret_cast<ThreadLocalJSRuntime *>(aPtr);
}
nsresult
DeleteIndexHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("DeleteIndexHelper", "DoDatabaseWork",
js::ProfileEntry::Category::STORAGE);
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(
"DELETE FROM object_store_index "
"WHERE name = :name "
);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mName);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (NS_FAILED(stmt->Execute())) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
return NS_OK;
}
nsresult
GetAllHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("GetAllHelper", "DoDatabaseWork [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
NS_NAMED_LITERAL_CSTRING(lowerKeyName, "lower_key");
NS_NAMED_LITERAL_CSTRING(upperKeyName, "upper_key");
nsAutoCString keyRangeClause;
if (mKeyRange) {
if (!mKeyRange->Lower().IsUnset()) {
keyRangeClause = NS_LITERAL_CSTRING(" AND key_value");
if (mKeyRange->IsLowerOpen()) {
keyRangeClause.AppendLiteral(" > :");
}
else {
keyRangeClause.AppendLiteral(" >= :");
}
keyRangeClause.Append(lowerKeyName);
}
if (!mKeyRange->Upper().IsUnset()) {
keyRangeClause += NS_LITERAL_CSTRING(" AND key_value");
if (mKeyRange->IsUpperOpen()) {
keyRangeClause.AppendLiteral(" < :");
}
else {
keyRangeClause.AppendLiteral(" <= :");
}
keyRangeClause.Append(upperKeyName);
}
}
nsAutoCString limitClause;
if (mLimit != UINT32_MAX) {
limitClause.AssignLiteral(" LIMIT ");
limitClause.AppendInt(mLimit);
}
nsCString query = NS_LITERAL_CSTRING("SELECT data, file_ids FROM object_data "
"WHERE object_store_id = :osid") +
keyRangeClause +
NS_LITERAL_CSTRING(" ORDER BY key_value ASC") +
limitClause;
mCloneReadInfos.SetCapacity(50);
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (mKeyRange) {
if (!mKeyRange->Lower().IsUnset()) {
rv = mKeyRange->Lower().BindToStatement(stmt, lowerKeyName);
NS_ENSURE_SUCCESS(rv, rv);
}
if (!mKeyRange->Upper().IsUnset()) {
rv = mKeyRange->Upper().BindToStatement(stmt, upperKeyName);
NS_ENSURE_SUCCESS(rv, rv);
}
}
bool hasResult;
while (NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) {
if (mCloneReadInfos.Capacity() == mCloneReadInfos.Length()) {
mCloneReadInfos.SetCapacity(mCloneReadInfos.Capacity() * 2);
}
StructuredCloneReadInfo* readInfo = mCloneReadInfos.AppendElement();
NS_ASSERTION(readInfo, "Shouldn't fail since SetCapacity succeeded!");
rv = IDBObjectStore::GetStructuredCloneReadInfoFromStatement(stmt, 0, 1,
mDatabase, *readInfo);
NS_ENSURE_SUCCESS(rv, rv);
}
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
GetAllHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
NS_ASSERTION(mCloneReadInfos.Length() <= mLimit, "Too many results!");
nsresult rv = ConvertToArrayAndCleanup(aCx, mCloneReadInfos, aVal);
NS_ASSERTION(mCloneReadInfos.IsEmpty(),
"Should have cleared in ConvertToArrayAndCleanup");
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
void
GetAllHelper::ReleaseMainThreadObjects()
{
mKeyRange = nullptr;
for (uint32_t index = 0; index < mCloneReadInfos.Length(); index++) {
IDBObjectStore::ClearCloneReadInfo(mCloneReadInfos[index]);
}
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
GetAllHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("GetAllHelper", "PackArgumentsForParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
GetAllParams params;
if (mKeyRange) {
KeyRange keyRange;
mKeyRange->ToSerializedKeyRange(keyRange);
params.optionalKeyRange() = keyRange;
}
else {
params.optionalKeyRange() = mozilla::void_t();
}
params.limit() = mLimit;
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
GetAllHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_MAIN_THREAD_LABEL("GetAllHelper", "SendResponseToChildProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
GetAllResponse getAllResponse;
if (NS_SUCCEEDED(aResultCode) && !mCloneReadInfos.IsEmpty()) {
IDBDatabase* database = mObjectStore->Transaction()->Database();
NS_ASSERTION(database, "This should never be null!");
nsIContentParent* contentParent = database->GetContentParent();
NS_ASSERTION(contentParent, "This should never be null!");
FileManager* fileManager = database->Manager();
NS_ASSERTION(fileManager, "This should never be null!");
uint32_t length = mCloneReadInfos.Length();
InfallibleTArray<SerializedStructuredCloneReadInfo>& infos =
getAllResponse.cloneInfos();
infos.SetCapacity(length);
InfallibleTArray<BlobArray>& blobArrays = getAllResponse.blobs();
blobArrays.SetCapacity(length);
for (uint32_t index = 0;
NS_SUCCEEDED(aResultCode) && index < length;
index++) {
// Append the structured clone data.
const StructuredCloneReadInfo& clone = mCloneReadInfos[index];
SerializedStructuredCloneReadInfo* info = infos.AppendElement();
*info = clone;
// Now take care of the files.
const nsTArray<StructuredCloneFile>& files = clone.mFiles;
BlobArray* blobArray = blobArrays.AppendElement();
InfallibleTArray<PBlobParent*>& blobs = blobArray->blobsParent();
aResultCode =
IDBObjectStore::ConvertBlobsToActors(contentParent, fileManager, files,
blobs);
if (NS_FAILED(aResultCode)) {
NS_WARNING("ConvertBlobsToActors failed!");
break;
}
}
}
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
response = getAllResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
GetAllHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TGetAllResponse,
"Bad response type!");
const GetAllResponse& getAllResponse = aResponseValue.get_GetAllResponse();
const InfallibleTArray<SerializedStructuredCloneReadInfo>& cloneInfos =
getAllResponse.cloneInfos();
const InfallibleTArray<BlobArray>& blobArrays = getAllResponse.blobs();
mCloneReadInfos.SetCapacity(cloneInfos.Length());
for (uint32_t index = 0; index < cloneInfos.Length(); index++) {
const SerializedStructuredCloneReadInfo srcInfo = cloneInfos[index];
const InfallibleTArray<PBlobChild*>& blobs = blobArrays[index].blobsChild();
StructuredCloneReadInfo* destInfo = mCloneReadInfos.AppendElement();
if (!destInfo->SetFromSerialized(srcInfo)) {
IDB_WARNING("Failed to copy clone buffer!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
IDBObjectStore::ConvertActorsToBlobs(blobs, destInfo->mFiles);
}
return NS_OK;
}
nsresult
GetAllKeysHelper::DoDatabaseWork(mozIStorageConnection* /* aConnection */)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(IndexedDatabaseManager::IsMainProcess());
PROFILER_LABEL("GetAllKeysHelper", "DoDatabaseWork [IDObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
NS_NAMED_LITERAL_CSTRING(keyValue, "key_value");
nsAutoCString keyRangeClause;
if (mKeyRange) {
mKeyRange->GetBindingClause(keyValue, keyRangeClause);
}
nsAutoCString limitClause;
if (mLimit != UINT32_MAX) {
limitClause = NS_LITERAL_CSTRING(" LIMIT ");
limitClause.AppendInt(mLimit);
}
NS_NAMED_LITERAL_CSTRING(osid, "osid");
nsCString query = NS_LITERAL_CSTRING("SELECT ") + keyValue +
NS_LITERAL_CSTRING(" FROM object_data WHERE "
"object_store_id = :") +
osid + keyRangeClause +
NS_LITERAL_CSTRING(" ORDER BY key_value ASC") +
limitClause;
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(osid, mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (mKeyRange) {
rv = mKeyRange->BindToStatement(stmt);
NS_ENSURE_SUCCESS(rv, rv);
}
mKeys.SetCapacity(std::min<uint32_t>(50, mLimit));
bool hasResult;
while(NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) {
if (mKeys.Capacity() == mKeys.Length()) {
mKeys.SetCapacity(mKeys.Capacity() * 2);
}
Key* key = mKeys.AppendElement();
NS_ASSERTION(key, "This shouldn't fail!");
rv = key->SetFromStatement(stmt, 0);
NS_ENSURE_SUCCESS(rv, rv);
}
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
GetAllKeysHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mKeys.Length() <= mLimit);
PROFILER_MAIN_THREAD_LABEL("GetAllKeysHelper", "GetSuccessResult [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
nsTArray<Key> keys;
mKeys.SwapElements(keys);
JS::Rooted<JSObject*> array(aCx, JS_NewArrayObject(aCx, 0));
if (!array) {
IDB_WARNING("Failed to make array!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!keys.IsEmpty()) {
if (!JS_SetArrayLength(aCx, array, keys.Length())) {
IDB_WARNING("Failed to set array length!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (uint32_t index = 0, count = keys.Length(); index < count; index++) {
const Key& key = keys[index];
MOZ_ASSERT(!key.IsUnset());
JS::Rooted<JS::Value> value(aCx);
nsresult rv = key.ToJSVal(aCx, &value);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to get jsval for key!");
return rv;
}
if (!JS_SetElement(aCx, array, index, value)) {
IDB_WARNING("Failed to set array element!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
}
aVal.setObject(*array);
return NS_OK;
}
void
GetAllKeysHelper::ReleaseMainThreadObjects()
{
MOZ_ASSERT(NS_IsMainThread());
mKeyRange = nullptr;
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
GetAllKeysHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!IndexedDatabaseManager::IsMainProcess());
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("GetAllKeysHelper", "PackArgumentsForParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
GetAllKeysParams params;
if (mKeyRange) {
KeyRange keyRange;
mKeyRange->ToSerializedKeyRange(keyRange);
params.optionalKeyRange() = keyRange;
} else {
params.optionalKeyRange() = mozilla::void_t();
}
params.limit() = mLimit;
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
GetAllKeysHelper::SendResponseToChildProcess(nsresult aResultCode)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(IndexedDatabaseManager::IsMainProcess());
PROFILER_MAIN_THREAD_LABEL("GetAllKeysHelper", "SendResponseToChildProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
MOZ_ASSERT(actor);
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
GetAllKeysResponse getAllKeysResponse;
getAllKeysResponse.keys().AppendElements(mKeys);
response = getAllKeysResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
GetAllKeysHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!IndexedDatabaseManager::IsMainProcess());
MOZ_ASSERT(aResponseValue.type() == ResponseValue::TGetAllKeysResponse);
mKeys.AppendElements(aResponseValue.get_GetAllKeysResponse().keys());
return NS_OK;
}
nsresult
CountHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_LABEL("CountHelper", "DoDatabaseWork [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
NS_NAMED_LITERAL_CSTRING(lowerKeyName, "lower_key");
NS_NAMED_LITERAL_CSTRING(upperKeyName, "upper_key");
nsAutoCString keyRangeClause;
if (mKeyRange) {
if (!mKeyRange->Lower().IsUnset()) {
keyRangeClause = NS_LITERAL_CSTRING(" AND key_value");
if (mKeyRange->IsLowerOpen()) {
keyRangeClause.AppendLiteral(" > :");
}
else {
keyRangeClause.AppendLiteral(" >= :");
}
keyRangeClause.Append(lowerKeyName);
}
if (!mKeyRange->Upper().IsUnset()) {
keyRangeClause += NS_LITERAL_CSTRING(" AND key_value");
if (mKeyRange->IsUpperOpen()) {
keyRangeClause.AppendLiteral(" < :");
}
else {
keyRangeClause.AppendLiteral(" <= :");
}
keyRangeClause.Append(upperKeyName);
}
}
nsCString query = NS_LITERAL_CSTRING("SELECT count(*) FROM object_data "
"WHERE object_store_id = :osid") +
keyRangeClause;
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
IDB_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (mKeyRange) {
if (!mKeyRange->Lower().IsUnset()) {
rv = mKeyRange->Lower().BindToStatement(stmt, lowerKeyName);
NS_ENSURE_SUCCESS(rv, rv);
}
if (!mKeyRange->Upper().IsUnset()) {
rv = mKeyRange->Upper().BindToStatement(stmt, upperKeyName);
NS_ENSURE_SUCCESS(rv, rv);
}
}
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
IDB_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
IDB_ENSURE_TRUE(hasResult, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mCount = stmt->AsInt64(0);
return NS_OK;
}
nsresult
CountHelper::GetSuccessResult(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal)
{
aVal.setNumber(static_cast<double>(mCount));
return NS_OK;
}
void
CountHelper::ReleaseMainThreadObjects()
{
mKeyRange = nullptr;
ObjectStoreHelper::ReleaseMainThreadObjects();
}
nsresult
CountHelper::PackArgumentsForParentProcess(ObjectStoreRequestParams& aParams,
nsIContentChild* aBlobCreator)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aBlobCreator, "Must have a valid creator!");
PROFILER_MAIN_THREAD_LABEL("CountHelper", "PackArgumentsForParentProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
CountParams params;
if (mKeyRange) {
KeyRange keyRange;
mKeyRange->ToSerializedKeyRange(keyRange);
params.optionalKeyRange() = keyRange;
}
else {
params.optionalKeyRange() = mozilla::void_t();
}
aParams = params;
return NS_OK;
}
AsyncConnectionHelper::ChildProcessSendResult
CountHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
PROFILER_MAIN_THREAD_LABEL("CountHelper", "SendResponseToChildProcess [IDBObjectStore.cpp]",
js::ProfileEntry::Category::STORAGE);
IndexedDBRequestParentBase* actor = mRequest->GetActorParent();
NS_ASSERTION(actor, "How did we get this far without an actor?");
ResponseValue response;
if (NS_FAILED(aResultCode)) {
response = aResultCode;
}
else {
CountResponse countResponse = mCount;
response = countResponse;
}
if (!actor->SendResponse(response)) {
return Error;
}
return Success_Sent;
}
nsresult
CountHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
NS_ASSERTION(aResponseValue.type() == ResponseValue::TCountResponse,
"Bad response type!");
mCount = aResponseValue.get_CountResponse().count();
return NS_OK;
}
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