chromium/content/browser/interest_group/interest_group_real_time_report_util.cc

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/interest_group/interest_group_real_time_report_util.h"

#include <cmath>
#include <cstddef>
#include <cstdint>
#include <map>
#include <optional>

#include "base/check_op.h"
#include "base/notreached.h"
#include "base/rand_util.h"
#include "content/services/auction_worklet/public/cpp/real_time_reporting.h"
#include "content/services/auction_worklet/public/mojom/real_time_reporting.mojom.h"
#include "third_party/blink/public/common/features.h"
#include "url/gurl.h"
#include "url/origin.h"

namespace content {

namespace {

// The URL path for sending real time reporting histograms.
constexpr char kRealTimeReportPath[] = …;

}  // namespace

std::vector<uint8_t> Rappor(std::optional<int32_t> maybe_bucket,
                            double epsilon,
                            int num_buckets) { … }

std::optional<int32_t> SampleContributions(
    const std::vector<auction_worklet::mojom::RealTimeReportingContributionPtr>&
        contributions) { … }

std::map<url::Origin, std::vector<uint8_t>>
CalculateRealTimeReportingHistograms(
    std::map<
        url::Origin,
        std::vector<auction_worklet::mojom::RealTimeReportingContributionPtr>>
        contributions) { … }

GURL GetRealTimeReportDestination(const url::Origin& origin) { … }

bool HasValidRealTimeBucket(
    const auction_worklet::mojom::RealTimeReportingContributionPtr&
        contribution) { … }

bool HasValidRealTimePriorityWeight(
    const auction_worklet::mojom::RealTimeReportingContributionPtr&
        contribution) { … }

std::vector<uint8_t> BitPacking(std::vector<uint8_t> data) { … }

}  // namespace content