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// Copyright 2012 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.
// StatusController handles all counter and status related number crunching and
// state tracking on behalf of a SyncSession.
//
// This object may be accessed from many different threads. It will be accessed
// most often from the syncer thread. However, when update application is in
// progress it may also be accessed from the worker threads. This is safe
// because only one of them will run at a time, and the syncer thread will be
// blocked until update application completes.
//
// This object contains only global state. None of its members are per model
// type counters.
#ifndef SYNC_SESSIONS_STATUS_CONTROLLER_H_
#define SYNC_SESSIONS_STATUS_CONTROLLER_H_
#include <map>
#include <vector>
#include "base/logging.h"
#include "base/macros.h"
#include "base/stl_util.h"
#include "base/time/time.h"
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/engine/model_safe_worker.h"
#include "sync/internal_api/public/sessions/model_neutral_state.h"
namespace syncer {
namespace sessions {
class SYNC_EXPORT StatusController {
public:
StatusController();
~StatusController();
// The types included in the get updates and commit client to server requests.
const ModelTypeSet get_updates_request_types() const;
void set_get_updates_request_types(ModelTypeSet value);
const ModelTypeSet commit_request_types() const;
void set_commit_request_types(ModelTypeSet value);
// Various conflict counters.
int num_encryption_conflicts() const;
int num_hierarchy_conflicts() const;
int num_server_conflicts() const;
// Aggregate sum of all conflicting items over all conflict types.
int TotalNumConflictingItems() const;
// Number of successfully applied updates.
int num_updates_applied() const;
int num_server_overwrites() const;
int num_local_overwrites() const;
// The time at which we started the first sync cycle in this session.
base::Time sync_start_time() const {
return sync_start_time_;
}
// If a poll was performed in this session, the time at which it finished.
// Not set if no poll was performed.
base::Time poll_finish_time() const {
return poll_finish_time_;
}
const ModelNeutralState& model_neutral_state() const {
return model_neutral_;
}
SyncerError last_get_key_result() const;
// Download counters.
void increment_num_updates_downloaded_by(int value);
void increment_num_tombstone_updates_downloaded_by(int value);
void increment_num_reflected_updates_downloaded_by(int value);
// Update application and conflict resolution counters.
void increment_num_updates_applied_by(int value);
void increment_num_encryption_conflicts_by(int value);
void increment_num_hierarchy_conflicts_by(int value);
void increment_num_server_conflicts();
void increment_num_local_overwrites();
void increment_num_server_overwrites();
// Commit counters.
void increment_num_successful_commits();
void increment_num_successful_bookmark_commits();
void set_num_successful_bookmark_commits(int value);
// Server communication status tracking.
void set_last_get_key_result(const SyncerError result);
void set_last_download_updates_result(const SyncerError result);
void set_commit_result(const SyncerError result);
void UpdateStartTime();
void UpdatePollTime();
private:
ModelNeutralState model_neutral_;
// Time the last sync cycle began.
base::Time sync_start_time_;
// If a poll was performed, the time it finished. Not set if not poll was
// performed.
base::Time poll_finish_time_;
DISALLOW_COPY_AND_ASSIGN(StatusController);
};
} // namespace sessions
} // namespace syncer
#endif // SYNC_SESSIONS_STATUS_CONTROLLER_H_
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