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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SYNC_UTIL_EXTENSIONS_ACTIVITY_H_ | 5 #ifndef SYNC_UTIL_EXTENSIONS_ACTIVITY_H_ |
| 6 #define SYNC_UTIL_EXTENSIONS_ACTIVITY_H_ | 6 #define SYNC_UTIL_EXTENSIONS_ACTIVITY_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <map> | 10 #include <map> |
| 9 #include <string> | 11 #include <string> |
| 10 | 12 |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
| 13 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
| 14 #include "sync/base/sync_export.h" | 15 #include "sync/base/sync_export.h" |
| 15 | 16 |
| 16 namespace syncer { | 17 namespace syncer { |
| 17 | 18 |
| 18 // A storage to record usage of extensions APIs to send to sync | 19 // A storage to record usage of extensions APIs to send to sync |
| 19 // servers, with the ability to purge data once sync servers have | 20 // servers, with the ability to purge data once sync servers have |
| 20 // acknowledged it (successful commit response). | 21 // acknowledged it (successful commit response). |
| 21 class SYNC_EXPORT ExtensionsActivity | 22 class SYNC_EXPORT ExtensionsActivity |
| 22 : public base::RefCountedThreadSafe<ExtensionsActivity> { | 23 : public base::RefCountedThreadSafe<ExtensionsActivity> { |
| 23 public: | 24 public: |
| 24 // A data record of activity performed by extension |extension_id|. | 25 // A data record of activity performed by extension |extension_id|. |
| 25 struct SYNC_EXPORT Record { | 26 struct SYNC_EXPORT Record { |
| 26 Record(); | 27 Record(); |
| 27 ~Record(); | 28 ~Record(); |
| 28 | 29 |
| 29 // The human-readable ID identifying the extension responsible | 30 // The human-readable ID identifying the extension responsible |
| 30 // for the activity reported in this Record. | 31 // for the activity reported in this Record. |
| 31 std::string extension_id; | 32 std::string extension_id; |
| 32 | 33 |
| 33 // How many times the extension successfully invoked a write | 34 // How many times the extension successfully invoked a write |
| 34 // operation through the bookmarks API since the last CommitMessage. | 35 // operation through the bookmarks API since the last CommitMessage. |
| 35 uint32 bookmark_write_count; | 36 uint32_t bookmark_write_count; |
| 36 }; | 37 }; |
| 37 | 38 |
| 38 typedef std::map<std::string, Record> Records; | 39 typedef std::map<std::string, Record> Records; |
| 39 | 40 |
| 40 ExtensionsActivity(); | 41 ExtensionsActivity(); |
| 41 | 42 |
| 42 // Fill |buffer| with all current records and then clear the | 43 // Fill |buffer| with all current records and then clear the |
| 43 // internal records. Called on sync thread to append records to sync commit | 44 // internal records. Called on sync thread to append records to sync commit |
| 44 // message. | 45 // message. |
| 45 void GetAndClearRecords(Records* buffer); | 46 void GetAndClearRecords(Records* buffer); |
| 46 | 47 |
| 47 // Merge |records| with the current set of records. Called on sync thread to | 48 // Merge |records| with the current set of records. Called on sync thread to |
| 48 // put back records if sync commit failed. | 49 // put back records if sync commit failed. |
| 49 void PutRecords(const Records& records); | 50 void PutRecords(const Records& records); |
| 50 | 51 |
| 51 // Increment write count of the specified extension. | 52 // Increment write count of the specified extension. |
| 52 void UpdateRecord(const std::string& extension_id); | 53 void UpdateRecord(const std::string& extension_id); |
| 53 | 54 |
| 54 private: | 55 private: |
| 55 friend class base::RefCountedThreadSafe<ExtensionsActivity>; | 56 friend class base::RefCountedThreadSafe<ExtensionsActivity>; |
| 56 ~ExtensionsActivity(); | 57 ~ExtensionsActivity(); |
| 57 | 58 |
| 58 Records records_; | 59 Records records_; |
| 59 mutable base::Lock records_lock_; | 60 mutable base::Lock records_lock_; |
| 60 }; | 61 }; |
| 61 | 62 |
| 62 } // namespace syncer | 63 } // namespace syncer |
| 63 | 64 |
| 64 #endif // SYNC_UTIL_EXTENSIONS_ACTIVITY_H_ | 65 #endif // SYNC_UTIL_EXTENSIONS_ACTIVITY_H_ |
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