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// 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_INTERNAL_API_PUBLIC_NON_BLOCKING_SYNC_COMMON_H_
#define SYNC_INTERNAL_API_PUBLIC_NON_BLOCKING_SYNC_COMMON_H_
#include <string>
#include <vector>
#include "base/time/time.h"
#include "sync/api/entity_data.h"
#include "sync/base/sync_export.h"
#include "sync/protocol/sync.pb.h"
namespace syncer_v2 {
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;
// This value is set if this type's data should be encrypted on the server.
// If this key changes, the client will need to re-commit all of its local
// data to the server using the new encryption key.
std::string encryption_key_name;
// This flag is set to true when the first download cycle is complete. The
// ModelTypeProcessor should not attempt to commit any items until this
// flag is set.
bool initial_sync_done = false;
};
struct SYNC_EXPORT_PRIVATE CommitRequestData {
CommitRequestData();
~CommitRequestData();
EntityDataPtr entity;
// 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 = 0;
int64 base_version = 0;
};
struct SYNC_EXPORT_PRIVATE CommitResponseData {
CommitResponseData();
~CommitResponseData();
std::string id;
std::string client_tag_hash;
int64 sequence_number = 0;
int64 response_version = 0;
};
struct SYNC_EXPORT_PRIVATE UpdateResponseData {
UpdateResponseData();
~UpdateResponseData();
EntityDataPtr entity;
int64 response_version = 0;
std::string encryption_key_name;
};
typedef std::vector<CommitRequestData> CommitRequestDataList;
typedef std::vector<CommitResponseData> CommitResponseDataList;
typedef std::vector<UpdateResponseData> UpdateResponseDataList;
} // namespace syncer_v2
#endif // SYNC_INTERNAL_API_PUBLIC_NON_BLOCKING_SYNC_COMMON_H_
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