1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // StatusController handles all counter and status related number crunching and 6 // state tracking on behalf of a SyncSession. 7 // 8 // This object may be accessed from many different threads. It will be accessed 9 // most often from the syncer thread. However, when update application is in 10 // progress it may also be accessed from the worker threads. This is safe 11 // because only one of them will run at a time, and the syncer thread will be 12 // blocked until update application completes. 13 // 14 // This object contains only global state. None of its members are per model 15 // type counters. 16 17 #ifndef SYNC_SESSIONS_STATUS_CONTROLLER_H_ 18 #define SYNC_SESSIONS_STATUS_CONTROLLER_H_ 19 20 #include <map> 21 #include <vector> 22 23 #include "base/logging.h" 24 #include "base/stl_util.h" 25 #include "base/time/time.h" 26 #include "sync/base/sync_export.h" 27 #include "sync/internal_api/public/engine/model_safe_worker.h" 28 #include "sync/internal_api/public/sessions/model_neutral_state.h" 29 30 namespace syncer { 31 namespace sessions { 32 33 class SYNC_EXPORT_PRIVATE StatusController { 34 public: 35 explicit StatusController(); 36 ~StatusController(); 37 38 // ClientToServer messages. 39 const ModelTypeSet commit_request_types() const { 40 return model_neutral_.commit_request_types; 41 } 42 void set_commit_request_types(ModelTypeSet value) { 43 model_neutral_.commit_request_types = value; 44 } 45 46 // Various conflict counters. 47 int num_encryption_conflicts() const; 48 int num_hierarchy_conflicts() const; 49 int num_server_conflicts() const; 50 51 // Aggregate sum of all conflicting items over all conflict types. 52 int TotalNumConflictingItems() const; 53 54 // Number of successfully applied updates. 55 int num_updates_applied() const; 56 57 int num_server_overwrites() const; 58 59 base::Time sync_start_time() const { 60 // The time at which we sent the first GetUpdates command for this sync. 61 return sync_start_time_; 62 } 63 64 const ModelNeutralState& model_neutral_state() const { 65 return model_neutral_; 66 } 67 68 SyncerError last_get_key_result() const; 69 70 // Download counters. 71 void increment_num_updates_downloaded_by(int value); 72 void increment_num_tombstone_updates_downloaded_by(int value); 73 void increment_num_reflected_updates_downloaded_by(int value); 74 75 // Update application and conflict resolution counters. 76 void increment_num_updates_applied_by(int value); 77 void increment_num_encryption_conflicts_by(int value); 78 void increment_num_hierarchy_conflicts_by(int value); 79 void increment_num_server_conflicts(); 80 void increment_num_local_overwrites(); 81 void increment_num_server_overwrites(); 82 83 // Commit counters. 84 void increment_num_successful_commits(); 85 void increment_num_successful_bookmark_commits(); 86 void set_num_successful_bookmark_commits(int value); 87 88 // Server communication status tracking. 89 void set_last_get_key_result(const SyncerError result); 90 void set_last_download_updates_result(const SyncerError result); 91 void set_commit_result(const SyncerError result); 92 93 void UpdateStartTime(); 94 95 private: 96 ModelNeutralState model_neutral_; 97 98 base::Time sync_start_time_; 99 100 DISALLOW_COPY_AND_ASSIGN(StatusController); 101 }; 102 103 } // namespace sessions 104 } // namespace syncer 105 106 #endif // SYNC_SESSIONS_STATUS_CONTROLLER_H_ 107
