| // Copyright 2017 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_REPORTING_REPORTING_CONTEXT_H_ |
| #define NET_REPORTING_REPORTING_CONTEXT_H_ |
| |
| #include <memory> |
| |
| #include "base/observer_list.h" |
| #include "base/time/time.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 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 NotifyCachedClientsUpdated(); |
| |
| // 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_; |
| |
| base::Clock* clock_; |
| 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_; |
| |
| ReportingCache::PersistentReportingStore* const 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ReportingContext); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_REPORTING_REPORTING_CONTEXT_H_ |