forked from mirrors/gecko-dev
2e68c75bb1
Depends on D69580 Differential Revision: https://phabricator.services.mozilla.com/D69587 --HG-- extra : moz-landing-system : lando
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "FileStreams.h"
|
|
|
|
#include "QuotaManager.h"
|
|
#include "prio.h"
|
|
|
|
BEGIN_QUOTA_NAMESPACE
|
|
|
|
template <class FileStreamBase>
|
|
NS_IMETHODIMP FileQuotaStream<FileStreamBase>::SetEOF() {
|
|
nsresult rv = FileStreamBase::SetEOF();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (mQuotaObject) {
|
|
int64_t offset;
|
|
nsresult rv = FileStreamBase::Tell(&offset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
DebugOnly<bool> res =
|
|
mQuotaObject->MaybeUpdateSize(offset, /* aTruncate */ true);
|
|
MOZ_ASSERT(res);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
template <class FileStreamBase>
|
|
NS_IMETHODIMP FileQuotaStream<FileStreamBase>::Close() {
|
|
nsresult rv = FileStreamBase::Close();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mQuotaObject = nullptr;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
template <class FileStreamBase>
|
|
nsresult FileQuotaStream<FileStreamBase>::DoOpen() {
|
|
QuotaManager* quotaManager = QuotaManager::Get();
|
|
NS_ASSERTION(quotaManager, "Shouldn't be null!");
|
|
|
|
NS_ASSERTION(!mQuotaObject, "Creating quota object more than once?");
|
|
mQuotaObject = quotaManager->GetQuotaObject(
|
|
mPersistenceType, mGroup, mOrigin, mClientType,
|
|
FileStreamBase::mOpenParams.localFile);
|
|
|
|
nsresult rv = FileStreamBase::DoOpen();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (mQuotaObject && (FileStreamBase::mOpenParams.ioFlags & PR_TRUNCATE)) {
|
|
DebugOnly<bool> res =
|
|
mQuotaObject->MaybeUpdateSize(0, /* aTruncate */ true);
|
|
MOZ_ASSERT(res);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
template <class FileStreamBase>
|
|
NS_IMETHODIMP FileQuotaStreamWithWrite<FileStreamBase>::Write(
|
|
const char* aBuf, uint32_t aCount, uint32_t* _retval) {
|
|
nsresult rv;
|
|
|
|
if (FileQuotaStreamWithWrite::mQuotaObject) {
|
|
int64_t offset;
|
|
rv = FileStreamBase::Tell(&offset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
MOZ_ASSERT(INT64_MAX - offset >= int64_t(aCount));
|
|
|
|
if (!FileQuotaStreamWithWrite::mQuotaObject->MaybeUpdateSize(
|
|
offset + int64_t(aCount),
|
|
/* aTruncate */ false)) {
|
|
return NS_ERROR_FILE_NO_DEVICE_SPACE;
|
|
}
|
|
}
|
|
|
|
rv = FileStreamBase::Write(aBuf, aCount, _retval);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<FileInputStream> CreateFileInputStream(
|
|
PersistenceType aPersistenceType, const nsACString& aGroup,
|
|
const nsACString& aOrigin, Client::Type aClientType, nsIFile* aFile,
|
|
int32_t aIOFlags, int32_t aPerm, int32_t aBehaviorFlags) {
|
|
RefPtr<FileInputStream> stream =
|
|
new FileInputStream(aPersistenceType, aGroup, aOrigin, aClientType);
|
|
nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
return stream.forget();
|
|
}
|
|
|
|
already_AddRefed<FileOutputStream> CreateFileOutputStream(
|
|
PersistenceType aPersistenceType, const nsACString& aGroup,
|
|
const nsACString& aOrigin, Client::Type aClientType, nsIFile* aFile,
|
|
int32_t aIOFlags, int32_t aPerm, int32_t aBehaviorFlags) {
|
|
RefPtr<FileOutputStream> stream =
|
|
new FileOutputStream(aPersistenceType, aGroup, aOrigin, aClientType);
|
|
nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
return stream.forget();
|
|
}
|
|
|
|
already_AddRefed<FileStream> CreateFileStream(
|
|
PersistenceType aPersistenceType, const nsACString& aGroup,
|
|
const nsACString& aOrigin, Client::Type aClientType, nsIFile* aFile,
|
|
int32_t aIOFlags, int32_t aPerm, int32_t aBehaviorFlags) {
|
|
RefPtr<FileStream> stream =
|
|
new FileStream(aPersistenceType, aGroup, aOrigin, aClientType);
|
|
nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
return stream.forget();
|
|
}
|
|
|
|
END_QUOTA_NAMESPACE
|