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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_CLIENT_H__
#define __VOM_STAT_CLIENT_H__
#include <iostream>
#include <string>
#include <vector>
extern "C" {
#include <vpp-api/client/stat_client.h>
}
namespace VOM {
/**
* A representation of a stat client in VPP
*/
class stat_client
{
public:
/**
* stat data representation
*/
struct stat_data_t
{
/**
* stat data custom constructor
*/
stat_data_t(const stat_segment_data_t& stat_seg_data);
/**
* get name of stat
*/
const std::string& name() const;
/**
* get type of stat
*/
const stat_directory_type_t& type() const;
/**
* Get pointer to actual data
*/
double get_stat_segment_scalar_data() const;
uint64_t* get_stat_segment_error_data() const;
uint64_t** get_stat_segment_simple_counter_data() const;
vlib_counter_t** get_stat_segment_combined_counter_data() const;
private:
/**
* name of stat data
*/
const std::string m_name;
/**
* type of stat data
*/
const stat_directory_type_t m_type;
/**
* union of pointers to actual stat data
*/
union
{
double m_scalar_value;
counter_t* m_error_vec;
counter_t** m_simple_counter_vec;
vlib_counter_t** m_combined_counter_vec;
};
};
/**
* vector of stat_data_t
*/
typedef std::vector<stat_data_t> stat_data_vec_t;
/**
* Stat Client constructor with custom socket name
*/
stat_client(std::string& socket_name);
/**
* Stat Client constructor with custom vector of patterns
*/
stat_client(std::vector<std::string>& pattern);
/**
* Stat Client constructor with custom socket name and vector of patterns
*/
stat_client(std::string socket_name, std::vector<std::string> patterns);
/**
* Stat Client constructor
*/
stat_client();
/**
* Stat Client destructor
*/
~stat_client();
/**
* Stat Client copy constructor
*/
stat_client(const stat_client& o);
/**
* Connect to stat segment
*/
int connect();
/**
* Disconnect to stat segment
*/
void disconnect();
/**
* dump all the stats for given pattern
*/
const stat_data_vec_t& dump();
/**
* dump stats for given index in stat directory
*/
const stat_data_vec_t& dump_entry(uint32_t index);
/**
* Get vector length of VPP style vector
*/
int vec_len(void* vec);
double heartbeat();
/**
* get index to name of stat
*/
std::string index_to_name(uint32_t index);
private:
/**
* Free VPP style vector
*/
void vec_free(void* vec);
/**
* Free stat segment data
*/
void data_free();
/**
* ls on the stat directory using given pattern
*/
void ls();
/**
* socket name
*/
std::string m_socket_name;
/**
* vector of patterns for stats
*/
std::vector<std::string> m_patterns;
/**
* connection bit
*/
bool m_stat_connect;
/**
* Pointer to VPP style vector of stat indexes
*/
uint32_t* m_counter_vec;
/**
* Pointer to stat segment
*/
stat_segment_data_t* m_stat_seg_data;
/**
* Vector of stat data
*/
stat_data_vec_t m_stat_data;
};
}; // namespace VOM
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
#endif
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