chromium/net/base/backoff_entry_serializer.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/base/backoff_entry_serializer.h"

#include <algorithm>
#include <ostream>
#include <utility>

#include "base/notreached.h"
#include "base/strings/string_number_conversions.h"
#include "base/time/tick_clock.h"
#include "base/values.h"
#include "net/base/backoff_entry.h"

namespace {
// This max defines how many times we are willing to call
// |BackoffEntry::InformOfRequest| in |DeserializeFromList|.
//
// This value is meant to large enough that the computed backoff duration can
// still be saturated. Given that the duration is an int64 and assuming 1.01 as
// a conservative lower bound for BackoffEntry::Policy::multiply_factor,
// ceil(log(2**63-1, 1.01)) = 4389.
const int kMaxFailureCount = …;

// This function returns true iff |duration| is finite and can be serialized and
// deserialized without becoming infinite. This function is aligned with the
// latest version.
bool BackoffDurationSafeToSerialize(const base::TimeDelta& duration) { … }
}  // namespace

namespace net {

base::Value::List BackoffEntrySerializer::SerializeToList(
    const BackoffEntry& entry,
    base::Time time_now) { … }

std::unique_ptr<BackoffEntry> BackoffEntrySerializer::DeserializeFromList(
    const base::Value::List& serialized,
    const BackoffEntry::Policy* policy,
    const base::TickClock* tick_clock,
    base::Time time_now) { … }

}  // namespace net