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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __VOM_STAT_READER_H__
#define __VOM_STAT_READER_H__
#include "vom/stat_client.hpp"
#include <set>
namespace VOM {
class interface;
/**
* Stat reader: single interface to get stats
*/
class stat_reader
{
public:
/**
* Default Constructor
*/
stat_reader();
/**
* Constructor
*/
stat_reader(stat_client sc);
/**
* Destructor
*/
~stat_reader();
/**
* connection to stat object
*/
virtual int connect();
/**
* disconnect to stat object
*/
virtual void disconnect();
/**
* read stats for registered objects from stat_segment
* and set those stats to respective objects
*/
virtual void read();
private:
/**
* friend to interface class to call stat_register and
* stat_unregister methods
*/
friend class interface;
/**
* Register objects to get stats for
*/
static void registers(const interface& itf);
/**
* Unregister objects
*/
static void unregisters(const interface& itf);
/**
* typedef of stat_indexes
*/
typedef std::set<uint32_t> stat_indexes_t;
/**
* stat_client object
*/
stat_client m_client;
/**
* static pointer to set of registered interfaces
*/
static stat_indexes_t m_stat_itf_indexes;
};
};
/*
* fd.io coding-style-patch-verification: OFF
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
#endif
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