mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-01 01:36:09 +03:00
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
|
// Copyright 2015 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#ifndef NET_BASE_BACKOFF_ENTRY_SERIALIZER_H_
|
||
|
|
#define NET_BASE_BACKOFF_ENTRY_SERIALIZER_H_
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
#include "base/macros.h"
|
||
|
|
#include "base/time/time.h"
|
||
|
|
#include "net/base/backoff_entry.h"
|
||
|
|
#include "net/base/net_export.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
class Value;
|
||
|
|
class TickClock;
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace net {
|
||
|
|
|
||
|
|
// Serialize or deserialize a BackoffEntry, so it can persist beyond the
|
||
|
|
// lifetime of the browser.
|
||
|
|
class NET_EXPORT BackoffEntrySerializer {
|
||
|
|
public:
|
||
|
|
// Serializes the release time and failure count into a ListValue that can
|
||
|
|
// later be passed to Deserialize to re-create the given BackoffEntry. The
|
||
|
|
// Policy is not serialized, instead callers must pass an identical Policy*
|
||
|
|
// when deserializing. |time_now| should be base::Time::Now(), except for
|
||
|
|
// tests that want to simulate time changes. The release time TimeTicks will
|
||
|
|
// be converted to an absolute timestamp, thus the time will continue counting
|
||
|
|
// down even whilst the device is powered off, and will be partially
|
||
|
|
// vulnerable to changes in the system clock time.
|
||
|
|
static std::unique_ptr<base::Value> SerializeToValue(
|
||
|
|
const BackoffEntry& entry,
|
||
|
|
base::Time time_now);
|
||
|
|
|
||
|
|
// Deserializes a ListValue back to a BackoffEntry. |policy| MUST be the same
|
||
|
|
// Policy as the serialized entry had. |clock| may be NULL. Both |policy| and
|
||
|
|
// |clock| (if not NULL) must enclose lifetime of the returned BackoffEntry.
|
||
|
|
// |time_now| should be base::Time::Now(), except for tests that want to
|
||
|
|
// simulate time changes. The absolute timestamp that was serialized will be
|
||
|
|
// converted back to TimeTicks as best as possible. Returns NULL if
|
||
|
|
// deserialization was unsuccessful.
|
||
|
|
static std::unique_ptr<BackoffEntry> DeserializeFromValue(
|
||
|
|
const base::Value& serialized,
|
||
|
|
const BackoffEntry::Policy* policy,
|
||
|
|
base::TickClock* clock,
|
||
|
|
base::Time time_now);
|
||
|
|
|
||
|
|
private:
|
||
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(BackoffEntrySerializer);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace net
|
||
|
|
|
||
|
|
#endif // NET_BASE_BACKOFF_ENTRY_SERIALIZER_H_
|