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/* -*- 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 "FileSystemQuotaClient.h"
#include "ResultStatement.h"
#include "datamodel/FileSystemDatabaseManager.h"
#include "datamodel/FileSystemFileManager.h"
#include "mozIStorageService.h"
#include "mozStorageCID.h"
#include "mozilla/dom/FileSystemDataManager.h"
#include "mozilla/dom/quota/Assertions.h"
#include "mozilla/dom/quota/Client.h"
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "mozilla/dom/quota/ResultExtensions.h"
#include "mozilla/dom/quota/UsageInfo.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "nsIFile.h"
namespace mozilla::dom::fs {
namespace {
auto toNSResult = [](const auto& aRv) { return ToNSResult(aRv); };
class QuotaClient final : public mozilla::dom::quota::Client {
public:
QuotaClient();
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(mozilla::dom::fs::QuotaClient, override)
Type GetType() override;
Result<quota::UsageInfo, nsresult> InitOrigin(
quota::PersistenceType aPersistenceType,
const quota::OriginMetadata& aOriginMetadata,
const AtomicBool& aCanceled) override;
nsresult InitOriginWithoutTracking(
quota::PersistenceType aPersistenceType,
const quota::OriginMetadata& aOriginMetadata,
const AtomicBool& aCanceled) override;
Result<quota::UsageInfo, nsresult> GetUsageForOrigin(
quota::PersistenceType aPersistenceType,
const quota::OriginMetadata& aOriginMetadata,
const AtomicBool& aCanceled) override;
void OnOriginClearCompleted(quota::PersistenceType aPersistenceType,
const nsACString& aOrigin) override;
void OnRepositoryClearCompleted(
quota::PersistenceType aPersistenceType) override;
void ReleaseIOThreadObjects() override;
void AbortOperationsForLocks(
const DirectoryLockIdTable& aDirectoryLockIds) override;
void AbortOperationsForProcess(ContentParentId aContentParentId) override;
void AbortAllOperations() override;
void StartIdleMaintenance() override;
void StopIdleMaintenance() override;
private:
~QuotaClient() = default;
void InitiateShutdown() override;
bool IsShutdownCompleted() const override;
nsCString GetShutdownStatus() const override;
void ForceKillActors() override;
void FinalizeShutdown() override;
};
Result<ResultConnection, QMResult> GetStorageConnection(
const quota::OriginMetadata& aOriginMetadata) {
QM_TRY_INSPECT(const nsCOMPtr<nsIFile>& databaseFile,
data::GetDatabaseFile(aOriginMetadata));
QM_TRY_INSPECT(
const auto& storageService,
QM_TO_RESULT_TRANSFORM(MOZ_TO_RESULT_GET_TYPED(
nsCOMPtr<mozIStorageService>, MOZ_SELECT_OVERLOAD(do_GetService),
MOZ_STORAGE_SERVICE_CONTRACTID)));
QM_TRY_UNWRAP(
auto connection,
QM_TO_RESULT_TRANSFORM(MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(
nsCOMPtr<mozIStorageConnection>, storageService, OpenDatabase,
databaseFile, mozIStorageService::CONNECTION_DEFAULT)));
ResultConnection result(connection);
return result;
}
} // namespace
QuotaClient::QuotaClient() { ::mozilla::ipc::AssertIsOnBackgroundThread(); }
mozilla::dom::quota::Client::Type QuotaClient::GetType() {
return quota::Client::Type::FILESYSTEM;
}
Result<quota::UsageInfo, nsresult> QuotaClient::InitOrigin(
quota::PersistenceType aPersistenceType,
const quota::OriginMetadata& aOriginMetadata, const AtomicBool& aCanceled) {
quota::AssertIsOnIOThread();
{
QM_TRY_INSPECT(const nsCOMPtr<nsIFile>& databaseFile,
data::GetDatabaseFile(aOriginMetadata).mapErr(toNSResult));
bool exists = false;
QM_TRY(MOZ_TO_RESULT(databaseFile->Exists(&exists)));
// If database doesn't already exist, we do not create it
if (!exists) {
return quota::UsageInfo();
}
}
QM_TRY_INSPECT(const ResultConnection& conn,
GetStorageConnection(aOriginMetadata).mapErr(toNSResult));
QM_TRY(MOZ_TO_RESULT(
data::FileSystemDatabaseManager::RescanUsages(conn, aOriginMetadata)));
return data::FileSystemDatabaseManager::GetUsage(conn, aOriginMetadata)
.mapErr(toNSResult);
}
nsresult QuotaClient::InitOriginWithoutTracking(
quota::PersistenceType /* aPersistenceType */,
const quota::OriginMetadata& /* aOriginMetadata */,
const AtomicBool& /* aCanceled */) {
quota::AssertIsOnIOThread();
// This is called when a storage/permanent/${origin}/fs directory exists. Even
// though this shouldn't happen with a "good" profile, we shouldn't return an
// error here, since that would cause origin initialization to fail. We just
// warn and otherwise ignore that.
UNKNOWN_FILE_WARNING(
NS_LITERAL_STRING_FROM_CSTRING(FILESYSTEM_DIRECTORY_NAME));
return NS_OK;
}
Result<quota::UsageInfo, nsresult> QuotaClient::GetUsageForOrigin(
quota::PersistenceType aPersistenceType,
const quota::OriginMetadata& aOriginMetadata,
const AtomicBool& /* aCanceled */) {
quota::AssertIsOnIOThread();
MOZ_ASSERT(aPersistenceType ==
quota::PersistenceType::PERSISTENCE_TYPE_DEFAULT);
quota::QuotaManager* quotaManager = quota::QuotaManager::Get();
MOZ_ASSERT(quotaManager);
// We can't open the database at this point because the quota manager may not
// allow it. Use the cached value instead.
return quotaManager->GetUsageForClient(aPersistenceType, aOriginMetadata,
quota::Client::FILESYSTEM);
}
void QuotaClient::OnOriginClearCompleted(
quota::PersistenceType aPersistenceType, const nsACString& aOrigin) {
quota::AssertIsOnIOThread();
}
void QuotaClient::OnRepositoryClearCompleted(
quota::PersistenceType aPersistenceType) {
quota::AssertIsOnIOThread();
}
void QuotaClient::ReleaseIOThreadObjects() { quota::AssertIsOnIOThread(); }
void QuotaClient::AbortOperationsForLocks(
const DirectoryLockIdTable& aDirectoryLockIds) {
::mozilla::ipc::AssertIsOnBackgroundThread();
data::FileSystemDataManager::AbortOperationsForLocks(aDirectoryLockIds);
}
void QuotaClient::AbortOperationsForProcess(ContentParentId aContentParentId) {
::mozilla::ipc::AssertIsOnBackgroundThread();
}
void QuotaClient::AbortAllOperations() {
::mozilla::ipc::AssertIsOnBackgroundThread();
}
void QuotaClient::StartIdleMaintenance() {
::mozilla::ipc::AssertIsOnBackgroundThread();
}
void QuotaClient::StopIdleMaintenance() {
::mozilla::ipc::AssertIsOnBackgroundThread();
}
void QuotaClient::InitiateShutdown() {
::mozilla::ipc::AssertIsOnBackgroundThread();
data::FileSystemDataManager::InitiateShutdown();
}
bool QuotaClient::IsShutdownCompleted() const {
::mozilla::ipc::AssertIsOnBackgroundThread();
return data::FileSystemDataManager::IsShutdownCompleted();
}
nsCString QuotaClient::GetShutdownStatus() const {
::mozilla::ipc::AssertIsOnBackgroundThread();
return "Not implemented"_ns;
}
void QuotaClient::ForceKillActors() {
::mozilla::ipc::AssertIsOnBackgroundThread();
// Hopefully not needed.
}
void QuotaClient::FinalizeShutdown() {
::mozilla::ipc::AssertIsOnBackgroundThread();
// Empty for now.
}
already_AddRefed<mozilla::dom::quota::Client> CreateQuotaClient() {
::mozilla::ipc::AssertIsOnBackgroundThread();
RefPtr<QuotaClient> client = new fs::QuotaClient();
return client.forget();
}
} // namespace mozilla::dom::fs
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