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// 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 NET_REPORTING_REPORTING_CONTEXT_H_
#define NET_REPORTING_REPORTING_CONTEXT_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "net/base/backoff_entry.h"
#include "net/base/net_export.h"
#include "net/base/rand_callback.h"
#include "net/reporting/reporting_cache.h"
#include "net/reporting/reporting_policy.h"
namespace base {
class Clock;
class TickClock;
} // namespace base
namespace net {
class ReportingCacheObserver;
class ReportingDelegate;
class ReportingDeliveryAgent;
class ReportingGarbageCollector;
class ReportingNetworkChangeObserver;
class ReportingUploader;
class URLRequestContext;
// Contains the various internal classes that make up the Reporting system.
// Wrapped by ReportingService, which provides the external interface.
class NET_EXPORT ReportingContext {
public:
// |request_context| and |store| should outlive the ReportingContext.
static std::unique_ptr<ReportingContext> Create(
const ReportingPolicy& policy,
URLRequestContext* request_context,
ReportingCache::PersistentReportingStore* store);
ReportingContext(const ReportingContext&) = delete;
ReportingContext& operator=(const ReportingContext&) = delete;
~ReportingContext();
const ReportingPolicy& policy() const { return policy_; }
const base::Clock& clock() const { return *clock_; }
const base::TickClock& tick_clock() const { return *tick_clock_; }
ReportingUploader* uploader() { return uploader_.get(); }
ReportingDelegate* delegate() { return delegate_.get(); }
ReportingCache* cache() { return cache_.get(); }
ReportingCache::PersistentReportingStore* store() { return store_; }
ReportingDeliveryAgent* delivery_agent() { return delivery_agent_.get(); }
ReportingGarbageCollector* garbage_collector() {
return garbage_collector_.get();
}
void AddCacheObserver(ReportingCacheObserver* observer);
void RemoveCacheObserver(ReportingCacheObserver* observer);
void NotifyCachedReportsUpdated();
void NotifyReportAdded(const ReportingReport* report);
void NotifyReportUpdated(const ReportingReport* report);
void NotifyCachedClientsUpdated();
void NotifyEndpointsUpdatedForOrigin(
const std::vector<ReportingEndpoint>& endpoints);
// Returns whether the data in the cache is persisted across restarts in the
// PersistentReportingStore.
bool IsReportDataPersisted() const;
bool IsClientDataPersisted() const;
void OnShutdown();
protected:
ReportingContext(const ReportingPolicy& policy,
base::Clock* clock,
const base::TickClock* tick_clock,
const RandIntCallback& rand_callback,
std::unique_ptr<ReportingUploader> uploader,
std::unique_ptr<ReportingDelegate> delegate,
ReportingCache::PersistentReportingStore* store);
private:
ReportingPolicy policy_;
raw_ptr<base::Clock> clock_;
raw_ptr<const base::TickClock> tick_clock_;
std::unique_ptr<ReportingUploader> uploader_;
base::ObserverList<ReportingCacheObserver, /* check_empty= */ true>::Unchecked
cache_observers_;
std::unique_ptr<ReportingDelegate> delegate_;
std::unique_ptr<ReportingCache> cache_;
const raw_ptr<ReportingCache::PersistentReportingStore> store_;
// |delivery_agent_| must come after |tick_clock_|, |delegate_|, |uploader_|,
// and |cache_|.
std::unique_ptr<ReportingDeliveryAgent> delivery_agent_;
// |garbage_collector_| must come after |tick_clock_| and |cache_|.
std::unique_ptr<ReportingGarbageCollector> garbage_collector_;
// |network_change_observer_| must come after |cache_|.
std::unique_ptr<ReportingNetworkChangeObserver> network_change_observer_;
};
} // namespace net
#endif // NET_REPORTING_REPORTING_CONTEXT_H_
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