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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_STREAM_H__
#define __TREX_STREAM_H__
#include <unordered_map>
#include <vector>
#include <stdint.h>
#include <string>
#include <json/json.h>
#include <trex_stream_vm.h>
#include <stdio.h>
#include <string.h>
class TrexRpcCmdAddStream;
struct CStreamPktData {
uint8_t *binary;
uint16_t len;
std::string meta;
public:
inline void clone(uint8_t * in_binary,
uint32_t in_pkt_size){
binary = new uint8_t[in_pkt_size];
len = in_pkt_size;
memcpy(binary,in_binary,in_pkt_size);
}
};
/**
* Stateless Stream
*
*/
class TrexStream {
public:
enum STREAM_TYPE {
stNONE = 0,
stCONTINUOUS = 4,
stSINGLE_BURST = 5,
stMULTI_BURST = 6
};
public:
TrexStream(uint8_t type,uint8_t port_id, uint32_t stream_id);
virtual ~TrexStream();
/* defines the min max per packet supported */
static const uint32_t MIN_PKT_SIZE_BYTES = 1;
static const uint32_t MAX_PKT_SIZE_BYTES = 9000;
/* provides storage for the stream json*/
void store_stream_json(const Json::Value &stream_json);
/* access the stream json */
const Json::Value & get_stream_json();
double get_pps() {
return m_pps;
}
void set_pps(double pps){
m_pps = pps;
}
void set_type(uint8_t type){
m_type = type;
}
uint8_t get_type(void) const {
return ( m_type );
}
void set_multi_burst(uint32_t burst_total_pkts,
uint32_t num_bursts,
double ibg_usec) {
m_burst_total_pkts = burst_total_pkts;
m_num_bursts = num_bursts;
m_ibg_usec = ibg_usec;
}
void set_single_burst(uint32_t burst_total_pkts){
set_multi_burst(burst_total_pkts,1,0.0);
}
/* create new stream */
TrexStream * clone_as_dp(){
TrexStream * dp=new TrexStream(m_type,m_port_id,m_stream_id);
dp->m_isg_usec = m_isg_usec;
dp->m_next_stream_id = m_next_stream_id;
dp->m_enabled = m_enabled;
dp->m_self_start = m_self_start;
/* deep copy */
dp->m_pkt.clone(m_pkt.binary,m_pkt.len);
dp->m_rx_check = m_rx_check;
dp->m_pps = m_pps;
dp->m_burst_total_pkts = m_burst_total_pkts;
dp->m_num_bursts = m_num_bursts;
dp->m_ibg_usec = m_ibg_usec ;
return (dp);
}
public:
/* basic */
uint8_t m_type;
uint8_t m_port_id;
uint32_t m_stream_id;
/* config fields */
double m_isg_usec;
int m_next_stream_id;
/* indicators */
bool m_enabled;
bool m_self_start;
CStreamPktData m_pkt;
/* pkt */
/* VM */
StreamVm m_vm;
/* RX check */
struct {
bool m_enable;
bool m_seq_enabled;
bool m_latency;
uint32_t m_stream_id;
} m_rx_check;
double m_pps;
uint32_t m_burst_total_pkts; /* valid in case of burst stSINGLE_BURST,stMULTI_BURST*/
uint32_t m_num_bursts; /* valid in case of stMULTI_BURST */
double m_ibg_usec; /* valid in case of stMULTI_BURST */
/* original template provided by requester */
Json::Value m_stream_json;
};
/**
* holds all the streams
*
*/
class TrexStreamTable {
public:
TrexStreamTable();
~TrexStreamTable();
/**
* add a stream
* if a previous one exists, the old one will be deleted
*/
void add_stream(TrexStream *stream);
/**
* remove a stream
*/
void remove_stream(TrexStream *stream);
/**
* remove all streams on the table
* memory will be deleted
*/
void remove_and_delete_all_streams();
/**
* fetch a stream if exists
* o.w NULL
*
*/
TrexStream * get_stream_by_id(uint32_t stream_id);
/**
* populate a list with all the stream IDs
*
* @author imarom (06-Sep-15)
*
* @param stream_list
*/
void get_id_list(std::vector<uint32_t> &id_list);
/**
* populate a list with all the stream objects
*
*/
void get_object_list(std::vector<TrexStream *> &object_list);
/**
* get the table size
*
*/
int size();
std::unordered_map<int, TrexStream *>::iterator begin() {return m_stream_table.begin();}
std::unordered_map<int, TrexStream *>::iterator end() {return m_stream_table.end();}
private:
/**
* holds all the stream in a hash table by stream id
*
*/
std::unordered_map<int, TrexStream *> m_stream_table;
};
#endif /* __TREX_STREAM_H__ */
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