CommonMetadata.cpp

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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 "CommonMetadata.h"

#include "mozilla/dom/quota/QuotaCommon.h"

#include "mozilla/dom/quota/QuotaManager.h"

#include "mozilla/dom/quota/ResultExtensions.h"

namespace mozilla::dom::quota {

#if defined(NIGHTLY_BUILD) || defined(DEBUG)

bool CheckClientUsagesConsistency(const ClientUsageArray& aClientUsages,

                                  int64_t aUsage, const nsACString& aContext) {

  QuotaManager* quotaManager = QuotaManager::Get();

  MOZ_ASSERT(quotaManager);

  bool consistent = true;

  int64_t usage = 0;

  for (const Client::Type type : quotaManager->AllClientTypes()) {

    // Not AssertNoOverflow: its aArg>=0 precondition would crash on exactly

    // the negative values this function exists to detect (see the valueOk

    // check below) rather than the isolated bug this whole function is

    // meant to catch.

    QM_SCOPED_CONTEXT(aContext + "["_ns + Client::TypeToText(type) +

                      "]Underflow"_ns);

    const int64_t value = aClientUsages[type].valueOr(0);

    const bool valueOk = value >= 0;

    QM_WARNONLY_TRY(OkIf(valueOk));

    consistent = consistent && valueOk;

    usage += value;

    QM_SCOPED_CONTEXT(aContext + "Mismatch"_ns);

    const bool mismatchOk = aUsage == usage;

    QM_WARNONLY_TRY(OkIf(mismatchOk));

    consistent = consistent && mismatchOk;

    QM_SCOPED_CONTEXT(aContext + "UsageUnderflow"_ns);

    const bool usageOk = aUsage >= 0;

    QM_WARNONLY_TRY(OkIf(usageOk));

    consistent = consistent && usageOk;

  return consistent;

bool FullOriginMetadata::CheckIfUsageIsConsistent(

    const nsACString& aContext) const {

  return CheckClientUsagesConsistency(mClientUsages, mOriginUsage, aContext);

#endif  // defined(NIGHTLY_BUILD) || defined(DEBUG)

nsresult FullOriginMetadata::BindToStatement(

    mozIStorageStatement* aStatement) const {

  QM_TRY(MOZ_TO_RESULT(

      aStatement->BindInt32ByName("repository_id"_ns, mPersistenceType)));

  QM_TRY(MOZ_TO_RESULT(aStatement->BindUTF8StringByName("suffix"_ns, mSuffix)));

  QM_TRY(MOZ_TO_RESULT(aStatement->BindUTF8StringByName("group_"_ns, mGroup)));

  QM_TRY(MOZ_TO_RESULT(aStatement->BindUTF8StringByName("origin"_ns, mOrigin)));

  MOZ_ASSERT(!mIsPrivate);

  nsCString clientUsagesText;

  mClientUsages.Serialize(clientUsagesText);

  QM_TRY(MOZ_TO_RESULT(

      aStatement->BindUTF8StringByName("client_usages"_ns, clientUsagesText)));

  QM_TRY(MOZ_TO_RESULT(aStatement->BindInt64ByName("usage"_ns, mOriginUsage)));

  QM_TRY(MOZ_TO_RESULT(

      aStatement->BindInt64ByName("last_access_time"_ns, mLastAccessTime)));

  QM_TRY(MOZ_TO_RESULT(aStatement->BindInt32ByName("last_maintenance_date"_ns,

                                                   mLastMaintenanceDate)));

  QM_TRY(MOZ_TO_RESULT(

      aStatement->BindInt32ByName("metadata_flags"_ns, ToMetadataFlags())));

  return NS_OK;

}  // namespace mozilla::dom::quota