chromium/components/metrics/histogram_controller.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/metrics/histogram_controller.h"

#include "base/functional/bind.h"
#include "base/location.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/process/process_handle.h"
#include "base/rand_util.h"
#include "components/metrics/histogram_subscriber.h"
#include "components/metrics/public/mojom/histogram_fetcher.mojom.h"
#include "mojo/public/cpp/bindings/callback_helpers.h"

namespace metrics {

namespace {
const char* GetPingHistogramName(mojom::UmaPingCallSource call_source) { … }
}  // namespace

struct HistogramController::ChildHistogramFetcher { … };

HistogramController* HistogramController::GetInstance() { … }

HistogramController::HistogramController() : … { … }

HistogramController::~HistogramController() = default;

void HistogramController::Register(HistogramSubscriber* subscriber) { … }

void HistogramController::Unregister(const HistogramSubscriber* subscriber) { … }

void HistogramController::NotifyChildDied(HistogramChildProcess* host) { … }

void HistogramController::SetHistogramMemory(
    HistogramChildProcess* host,
    base::UnsafeSharedMemoryRegion shared_region,
    ChildProcessMode mode) { … }

void HistogramController::InsertChildHistogramFetcherInterface(
    HistogramChildProcess* host,
    mojo::Remote<mojom::ChildHistogramFetcher> child_histogram_fetcher,
    ChildProcessMode mode) { … }

void HistogramController::PingChildProcesses() { … }

void HistogramController::PingChildProcess(
    mojom::ChildHistogramFetcherProxy* fetcher,
    mojom::UmaPingCallSource call_source) { … }

void HistogramController::Pong(mojom::UmaPingCallSource call_source) { … }

void HistogramController::RemoveChildHistogramFetcherInterface(
    MayBeDangling<HistogramChildProcess> host) { … }

void HistogramController::GetHistogramData(int sequence_number) { … }

void HistogramController::OnHistogramDataCollected(
    int sequence_number,
    const std::vector<std::string>& pickled_histograms) { … }

}  // namespace metrics