fune/toolkit/components/url-classifier/LookupCacheV4.h
Francois Marier 8f19e9f805 Bug 1434206 - Keep LookupCache objects in smart pointers. r=gcp
The existing mix of UniquePtr and raw pointers is confusing when
trying to figure out the exact lifetime of these objects.

MozReview-Commit-ID: Br4S7BXEFKs

--HG--
extra : rebase_source : ba35d5c2eeda0741eb4c5491a6caf03f20f3d0ce
2018-05-16 19:13:48 -07:00

70 lines
2.1 KiB
C++

//* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef LookupCacheV4_h__
#define LookupCacheV4_h__
#include "LookupCache.h"
namespace mozilla {
namespace safebrowsing {
// Forward declaration.
class TableUpdateV4;
class LookupCacheV4 final : public LookupCache
{
public:
explicit LookupCacheV4(const nsACString& aTableName,
const nsACString& aProvider,
nsIFile* aStoreFile)
: LookupCache(aTableName, aProvider, aStoreFile) {}
virtual nsresult Init() override;
virtual nsresult Has(const Completion& aCompletion,
bool* aHas,
uint32_t* aMatchLength,
bool* aConfirmed) override;
virtual bool IsEmpty() const override;
nsresult Build(PrefixStringMap& aPrefixMap);
nsresult GetPrefixes(PrefixStringMap& aPrefixMap);
nsresult GetFixedLengthPrefixes(FallibleTArray<uint32_t>& aPrefixes);
// ApplyUpdate will merge data stored in aTableUpdate with prefixes in aInputMap.
nsresult ApplyUpdate(RefPtr<TableUpdateV4> aTableUpdate,
PrefixStringMap& aInputMap,
PrefixStringMap& aOutputMap);
nsresult AddFullHashResponseToCache(const FullHashResponseMap& aResponseMap);
nsresult WriteMetadata(RefPtr<const TableUpdateV4> aTableUpdate);
nsresult LoadMetadata(nsACString& aState, nsACString& aChecksum);
static const int VER;
static const uint32_t MAX_METADATA_VALUE_LENGTH;
protected:
virtual nsresult ClearPrefixes() override;
virtual nsresult StoreToFile(nsIFile* aFile) override;
virtual nsresult LoadFromFile(nsIFile* aFile) override;
virtual size_t SizeOfPrefixSet() const override;
private:
~LookupCacheV4() {}
virtual int Ver() const override { return VER; }
nsresult VerifyChecksum(const nsACString& aChecksum);
RefPtr<VariableLengthPrefixSet> mVLPrefixSet;
};
} // namespace safebrowsing
} // namespace mozilla
#endif