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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_API_H__
#define __TREX_STATELESS_API_H__
#include <stdint.h>
#include <string>
#include <stdexcept>
#include <trex_stream_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) {
}
};
/**
* describes a stateless port
*
* @author imarom (31-Aug-15)
*/
class TrexStatelessPort {
public:
/**
* describess error codes for starting traffic
*/
enum traffic_rc_e {
TRAFFIC_OK,
TRAFFIC_ERR_ALREADY_STARTED,
TRAFFIC_ERR_NO_STREAMS,
TRAFFIC_ERR_FAILED_TO_COMPILE_STREAMS
};
TrexStatelessPort(uint8_t port_id);
traffic_rc_e start_traffic(void);
void stop_traffic(void);
/**
* access the stream table
*
*/
TrexStreamTable *get_stream_table();
private:
TrexStreamTable m_stream_table;
uint8_t m_port_id;
bool m_started;
};
/**
* 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 configure(uint8_t port_count);
/**
* 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();
protected:
TrexStateless();
~TrexStateless();
static TrexStateless& get_instance_internal () {
static TrexStateless instance;
return instance;
}
/* c++ 2011 style singleton */
TrexStateless(TrexStateless const&) = delete;
void operator=(TrexStateless const&) = delete;
bool m_is_configured;
TrexStatelessPort **m_ports;
uint8_t m_port_count;
};
#endif /* __TREX_STATELESS_API_H__ */
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