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/*
Itay Marom
Cisco Systems, Inc.
*/
/*
Copyright (c) 2015-2015 Cisco Systems, Inc.
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 __TREX_STATELESS_H__
#define __TREX_STATELESS_H__
#include <stdint.h>
#include <string>
#include <stdexcept>
#include <trex_stream.h>
#include <trex_rpc_server_api.h>
/**
* generic exception for errors
* TODO: move this to a better place
*/
class TrexException : public std::runtime_error
{
public:
TrexException() : std::runtime_error("") {
}
TrexException(const std::string &what) : std::runtime_error(what) {
}
};
class TrexStatelessPort;
/**
* unified stats
*
* @author imarom (06-Oct-15)
*/
class TrexStatelessStats {
public:
TrexStatelessStats() {
m_stats = {0};
}
struct {
double m_cpu_util;
double m_tx_bps;
double m_rx_bps;
double m_tx_pps;
double m_rx_pps;
uint64_t m_total_tx_pkts;
uint64_t m_total_rx_pkts;
uint64_t m_total_tx_bytes;
uint64_t m_total_rx_bytes;
uint64_t m_tx_rx_errors;
} m_stats;
};
/**
* config object for stateless object
*
* @author imarom (08-Oct-15)
*/
class TrexStatelessCfg {
public:
/* default values */
TrexStatelessCfg() {
m_port_count = 0;
m_rpc_req_resp_cfg = NULL;
m_rpc_async_cfg = NULL;
m_rpc_server_verbose = false;
}
const TrexRpcServerConfig *m_rpc_req_resp_cfg;
const TrexRpcServerConfig *m_rpc_async_cfg;
bool m_rpc_server_verbose;
uint8_t m_port_count;
};
/**
* defines the T-Rex stateless operation mode
*
*/
class TrexStateless {
public:
/**
* configure the stateless object singelton
* reconfiguration is not allowed
* an exception will be thrown
*/
static void create(const TrexStatelessCfg &cfg);
/**
* destroy the instance
*
*/
static void destroy();
/**
* singleton public get instance
*
*/
static TrexStateless& get_instance() {
TrexStateless& instance = get_instance_internal();
if (!instance.m_is_configured) {
throw TrexException("object is not configured");
}
return instance;
}
TrexStatelessPort * get_port_by_id(uint8_t port_id);
uint8_t get_port_count();
/**
* update all the stats (deep update)
* (include all the ports and global stats)
*
*/
void update_stats();
/**
* fetch all the stats
*
*/
void encode_stats(Json::Value &global);
protected:
TrexStateless();
static TrexStateless& get_instance_internal () {
static TrexStateless instance;
return instance;
}
/* c++ 2011 style singleton */
TrexStateless(TrexStateless const&) = delete;
void operator=(TrexStateless const&) = delete;
/* status */
bool m_is_configured;
/* RPC server array */
TrexRpcServer *m_rpc_server;
/* ports */
std::vector <TrexStatelessPort *> m_ports;
uint8_t m_port_count;
/* stats */
TrexStatelessStats m_stats;
};
#endif /* __TREX_STATELESS_H__ */
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