chromium/components/cronet/host_cache_persistence_manager.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_CRONET_HOST_CACHE_PERSISTENCE_MANAGER_H_
#define COMPONENTS_CRONET_HOST_CACHE_PERSISTENCE_MANAGER_H_

#include <memory>
#include <string>

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "components/prefs/pref_change_registrar.h"
#include "net/dns/host_cache.h"
#include "net/log/net_log_with_source.h"

class PrefService;

namespace net {
class NetLog;
}

namespace cronet {
// Handles the interaction between HostCache and prefs for persistence.
// When notified of a change in the HostCache, starts a timer, or ignores if the
// timer is already running. When that timer expires, writes the current state
// of the HostCache to prefs.
//
// Can be used with synchronous or asynchronous prefs loading. Not appropriate
// for use outside of Cronet because its network and prefs operations run on
// the same sequence. Must be created after and destroyed before the HostCache
// and PrefService.
class HostCachePersistenceManager : public net::HostCache::PersistenceDelegate { … };

}  // namespace cronet

#endif  // COMPONENTS_CRONET_HOST_CACHE_PERSISTENCE_MANAGER_H_