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      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 #ifndef SYNC_SESSIONS_MODEL_NEUTRAL_STATE_H
      6 #define SYNC_SESSIONS_MODEL_NEUTRAL_STATE_H
      7 
      8 #include "base/basictypes.h"
      9 #include "sync/base/sync_export.h"
     10 #include "sync/internal_api/public/util/syncer_error.h"
     11 #include "sync/protocol/sync.pb.h"
     12 #include "sync/protocol/sync_protocol_error.h"
     13 
     14 namespace syncer {
     15 namespace sessions {
     16 
     17 // Grouping of all state that applies to all model types.  Note that some
     18 // components of the global grouping can internally implement finer grained
     19 // scope control, but the top level entity is still a singleton with respect to
     20 // model types.
     21 struct SYNC_EXPORT ModelNeutralState {
     22   ModelNeutralState();
     23   ~ModelNeutralState();
     24 
     25   // The set of types for which commits were sent to the server.
     26   ModelTypeSet commit_request_types;
     27 
     28   int num_successful_commits;
     29 
     30   // This is needed for monitoring extensions activity.
     31   int num_successful_bookmark_commits;
     32 
     33   // Download event counters.
     34   int num_updates_downloaded_total;
     35   int num_tombstone_updates_downloaded_total;
     36   int num_reflected_updates_downloaded_total;
     37 
     38   // If the syncer encountered a MIGRATION_DONE code, these are the types that
     39   // the client must now "migrate", by purging and re-downloading all updates.
     40   ModelTypeSet types_needing_local_migration;
     41 
     42   // Update application and conflicts.
     43   int num_updates_applied;
     44   int num_encryption_conflicts;
     45   int num_server_conflicts;
     46   int num_hierarchy_conflicts;
     47 
     48   // Overwrites due to conflict resolution counters.
     49   int num_local_overwrites;
     50   int num_server_overwrites;
     51 
     52   // Any protocol errors that we received during this sync session.
     53   SyncProtocolError sync_protocol_error;
     54 
     55   // Records the most recent results of GetKey, PostCommit and GetUpdates
     56   // commands.
     57   SyncerError last_get_key_result;
     58   SyncerError last_download_updates_result;
     59   SyncerError commit_result;
     60 
     61   // Set to true by PostCommitMessageCommand if any commits were successful.
     62   bool items_committed;
     63 
     64   // Number of changes remaining, according to the server.
     65   // Take it as an estimate unless it's value is zero, in which case there
     66   // really is nothing more to download.
     67   int64 num_server_changes_remaining;
     68 };
     69 
     70 bool HasSyncerError(const ModelNeutralState& state);
     71 
     72 }  // namespace sessions
     73 }  // namespace syncer
     74 
     75 #endif  // SYNC_SESSIONS_MODEL_NEUTRAL_STATE_H_
     76