| // Copyright 2014 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 SYNC_ENGINE_NON_BLOCKING_SYNC_COMMON_H_ |
| #define SYNC_ENGINE_NON_BLOCKING_SYNC_COMMON_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/time/time.h" |
| #include "sync/base/sync_export.h" |
| #include "sync/protocol/sync.pb.h" |
| |
| namespace syncer { |
| |
| static const int64 kUncommittedVersion = -1; |
| |
| // Data-type global state that must be accessed and updated on the sync thread, |
| // but persisted on or through the model thread. |
| struct SYNC_EXPORT_PRIVATE DataTypeState { |
| DataTypeState(); |
| ~DataTypeState(); |
| |
| // The latest progress markers received from the server. |
| sync_pb::DataTypeProgressMarker progress_marker; |
| |
| // A data type context. Sent to the server in every commit or update |
| // request. May be updated by either by responses from the server or |
| // requests made on the model thread. The interpretation of this value may |
| // be data-type specific. Many data types ignore it. |
| sync_pb::DataTypeContext type_context; |
| |
| // The ID of the folder node that sits at the top of this type's folder |
| // hierarchy. We keep this around for legacy reasons. The protocol expects |
| // that all nodes of a certain type are children of the same type root |
| // entity. This entity is delivered by the server, and may not be available |
| // until the first download cycle has completed. |
| std::string type_root_id; |
| |
| // A strictly increasing counter used to generate unique values for the |
| // client-assigned IDs. The incrementing and ID assignment happens on the |
| // sync thread, but we store the value here so we can pass it back to the |
| // model thread for persistence. This is probably unnecessary for the |
| // client-tagged data types supported by non-blocking sync, but we will |
| // continue to emulate the directory sync's behavior for now. |
| int64 next_client_id; |
| |
| // This flag is set to true when the first download cycle is complete. The |
| // NonBlockingTypeProcessor should not attempt to commit any items until this |
| // flag is set. |
| bool initial_sync_done; |
| }; |
| |
| struct SYNC_EXPORT_PRIVATE CommitRequestData { |
| CommitRequestData(); |
| ~CommitRequestData(); |
| |
| std::string id; |
| std::string client_tag_hash; |
| |
| // Strictly incrementing number for in-progress commits. More information |
| // about its meaning can be found in comments in the files that make use of |
| // this struct. |
| int64 sequence_number; |
| |
| int64 base_version; |
| base::Time ctime; |
| base::Time mtime; |
| std::string non_unique_name; |
| bool deleted; |
| sync_pb::EntitySpecifics specifics; |
| }; |
| |
| struct SYNC_EXPORT_PRIVATE CommitResponseData { |
| CommitResponseData(); |
| ~CommitResponseData(); |
| |
| std::string id; |
| std::string client_tag_hash; |
| int64 sequence_number; |
| int64 response_version; |
| }; |
| |
| struct SYNC_EXPORT_PRIVATE UpdateResponseData { |
| UpdateResponseData(); |
| ~UpdateResponseData(); |
| |
| std::string id; |
| std::string client_tag_hash; |
| int64 response_version; |
| base::Time ctime; |
| base::Time mtime; |
| std::string non_unique_name; |
| bool deleted; |
| sync_pb::EntitySpecifics specifics; |
| }; |
| |
| typedef std::vector<CommitRequestData> CommitRequestDataList; |
| typedef std::vector<CommitResponseData> CommitResponseDataList; |
| typedef std::vector<UpdateResponseData> UpdateResponseDataList; |
| |
| } // namespace syncer |
| |
| #endif // SYNC_ENGINE_NON_BLOCKING_SYNC_COMMON_H_ |