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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 "OriginOperationBase.h"
#include "mozilla/Assertions.h"
#include "mozilla/MozPromise.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/dom/quota/OriginOperationCallbacks.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "mozilla/dom/quota/ResultExtensions.h"
#include "mozilla/dom/quota/TargetPtrHolder.h"
#include "nsError.h"
#include "nsIThread.h"
#include "nsThreadUtils.h"
namespace mozilla::dom::quota {
namespace {
template <class T>
void ResolveOrRejectCallback(const BoolPromise::ResolveOrRejectValue& aValue,
MozPromiseHolder<T>& aPromiseHolder) {
if (aPromiseHolder.IsEmpty()) {
return;
}
if constexpr (std::is_same_v<T, ExclusiveBoolPromise>) {
aPromiseHolder.UseSynchronousTaskDispatch(__func__);
}
if (aValue.IsResolve()) {
aPromiseHolder.Resolve(true, __func__);
} else {
aPromiseHolder.Reject(aValue.RejectValue(), __func__);
}
}
} // namespace
OriginOperationBase::OriginOperationBase(
MovingNotNull<RefPtr<QuotaManager>>&& aQuotaManager, const char* aName)
: BackgroundThreadObject(GetCurrentSerialEventTarget()),
mQuotaManager(std::move(aQuotaManager)),
mResultCode(NS_OK)
#ifdef QM_COLLECTING_OPERATION_TELEMETRY
,
mName(aName)
#endif
{
AssertIsOnOwningThread();
}
OriginOperationBase::~OriginOperationBase() { AssertIsOnOwningThread(); }
void OriginOperationBase::RunImmediately() {
AssertIsOnOwningThread();
[self = RefPtr(this)]() {
if (QuotaManager::IsShuttingDown()) {
return BoolPromise::CreateAndReject(NS_ERROR_ABORT, __func__);
}
QM_TRY(MOZ_TO_RESULT(self->DoInit(*self->mQuotaManager)),
CreateAndRejectBoolPromise);
return self->Open();
}()
#ifdef DEBUG
->Then(GetCurrentSerialEventTarget(), __func__,
[self = RefPtr(this)](
const BoolPromise::ResolveOrRejectValue& aValue) {
if (aValue.IsReject()) {
return BoolPromise::CreateAndReject(aValue.RejectValue(),
__func__);
}
// Give derived classes the occasion to add additional debug
// only checks after the opening was successfully finished on
// the current thread before passing the work to the IO thread.
QM_TRY(MOZ_TO_RESULT(self->DirectoryOpen()),
CreateAndRejectBoolPromise);
return BoolPromise::CreateAndResolve(true, __func__);
})
#endif
->Then(mQuotaManager->IOThread(), __func__,
[selfHolder = TargetPtrHolder(this)](
const BoolPromise::ResolveOrRejectValue& aValue) {
if (aValue.IsReject()) {
return BoolPromise::CreateAndReject(aValue.RejectValue(),
__func__);
}
QM_TRY(MOZ_TO_RESULT(selfHolder->DoDirectoryWork(
*selfHolder->mQuotaManager)),
CreateAndRejectBoolPromise);
uint32_t pauseOnIOThreadMs = StaticPrefs::
dom_quotaManager_originOperations_pauseOnIOThreadMs();
if (pauseOnIOThreadMs > 0) {
PR_Sleep(PR_MillisecondsToInterval(pauseOnIOThreadMs));
}
return BoolPromise::CreateAndResolve(true, __func__);
})
->Then(
GetCurrentSerialEventTarget(), __func__,
[self =
RefPtr(this)](const BoolPromise::ResolveOrRejectValue& aValue) {
if (aValue.IsReject()) {
MOZ_ASSERT(NS_SUCCEEDED(self->mResultCode));
self->mResultCode = aValue.RejectValue();
}
ResolveOrRejectCallback(aValue, self->mWillFinishPromiseHolder);
ResolveOrRejectCallback(aValue, self->mWillFinishSyncPromiseHolder);
self->UnblockOpen();
ResolveOrRejectCallback(aValue, self->mDidFinishPromiseHolder);
ResolveOrRejectCallback(aValue, self->mDidFinishSyncPromiseHolder);
});
}
OriginOperationCallbacks OriginOperationBase::GetCallbacks(
const OriginOperationCallbackOptions& aCallbackOptions) {
AssertIsOnOwningThread();
return OriginOperationCallbackHolders::GetCallbacks(aCallbackOptions);
}
nsresult OriginOperationBase::DoInit(QuotaManager& aQuotaManager) {
AssertIsOnOwningThread();
return NS_OK;
}
#ifdef DEBUG
nsresult OriginOperationBase::DirectoryOpen() {
AssertIsOnOwningThread();
return NS_OK;
}
#endif
} // namespace mozilla::dom::quota
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