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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/. */
#ifndef RealTimeRequestSimulator_h_
#define RealTimeRequestSimulator_h_
#include "mozilla/StaticPtr.h"
#include "nsString.h"
#include "Entries.h"
namespace mozilla {
namespace safebrowsing {
class RealTimeRequestSimulator final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RealTimeRequestSimulator)
static RealTimeRequestSimulator* GetInstance();
// Called from the URL Classifier background thread only.
void SimulateRealTimeRequest(const nsACString& aURL, bool aIsPrivate);
// A test-only function to clean the simulated local cache.
void CleanCache();
private:
RealTimeRequestSimulator() = default;
~RealTimeRequestSimulator() = default;
void ComputeFullHashesFromURL(const nsACString& aURL,
nsTArray<Completion>& aHashes);
bool ShouldSimulateHit();
// Estimates the size of the request URL for a V5 hash lookup request.
// See MakeFindFullHashRequestV5 in nsUrlClassifierUtils.cpp for the actual
// implementation.
static uint32_t EstimateRequestSize(uint32_t aHashPrefixCount);
// Estimates the size of the response body for a V5 hash lookup response.
// The response is a protobuf-encoded SearchHashesResponse message.
// See safebrowsing_v5.proto for the message definition.
static uint32_t EstimateResponseSize(uint32_t aNumHits);
// aWouldSendRequest: true if a real-time request would be triggered
// aRequestBytes: estimated request size in bytes (0 if no request)
// aResponseBytes: estimated response size in bytes (0 if no request)
void NotifyResult(bool aWouldSendRequest, uint32_t aRequestBytes,
uint32_t aResponseBytes, bool aIsPrivate);
// Only accessed from the URL Classifier background thread.
FullHashResponseMap mSimulatedCache;
static StaticRefPtr<RealTimeRequestSimulator> sInstance;
};
} // namespace safebrowsing
} // namespace mozilla
#endif // RealTimeRequestSimulator_h_
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