mirror of https://github.com/PentHertz/srsLTE.git
rlc: extend stress tester to simulate MAC PDU corruption
This commit is contained in:
parent
ecb6a0f99b
commit
701db61fde
|
@ -19,19 +19,20 @@
|
|||
*
|
||||
*/
|
||||
|
||||
#include <iostream>
|
||||
#include <cstdlib>
|
||||
#include <pthread.h>
|
||||
#include "srslte/common/crash_handler.h"
|
||||
#include "srslte/common/log_filter.h"
|
||||
#include "srslte/common/logger_stdout.h"
|
||||
#include "srslte/common/threads.h"
|
||||
#include "srslte/common/rlc_pcap.h"
|
||||
#include "srslte/common/threads.h"
|
||||
#include "srslte/upper/rlc.h"
|
||||
#include <boost/program_options.hpp>
|
||||
#include <boost/program_options/parsers.hpp>
|
||||
#include <cassert>
|
||||
#include <cstdlib>
|
||||
#include <iostream>
|
||||
#include <pthread.h>
|
||||
#include <random>
|
||||
#include <srslte/upper/rlc_interface.h>
|
||||
#include "srslte/common/crash_handler.h"
|
||||
|
||||
#define LOG_HEX_LIMIT (-1)
|
||||
|
||||
|
@ -44,7 +45,8 @@ typedef struct {
|
|||
std::string mode;
|
||||
uint32_t sdu_size;
|
||||
uint32_t test_duration_sec;
|
||||
float error_rate;
|
||||
float pdu_drop_rate;
|
||||
float pdu_cut_rate;
|
||||
uint32_t sdu_gen_delay_usec;
|
||||
uint32_t pdu_tx_delay_usec;
|
||||
bool reestablish;
|
||||
|
@ -54,6 +56,7 @@ typedef struct {
|
|||
uint32_t avg_opp_size;
|
||||
bool random_opp;
|
||||
bool zero_seed;
|
||||
bool pedantic_sdu_check;
|
||||
} stress_test_args_t;
|
||||
|
||||
void parse_args(stress_test_args_t *args, int argc, char *argv[]) {
|
||||
|
@ -65,6 +68,8 @@ void parse_args(stress_test_args_t *args, int argc, char *argv[]) {
|
|||
("help,h", "Produce help message")
|
||||
("version,v", "Print version information and exit");
|
||||
|
||||
// clang-format off
|
||||
|
||||
// Command line or config file options
|
||||
bpo::options_description common("Configuration options");
|
||||
common.add_options()
|
||||
|
@ -75,12 +80,15 @@ void parse_args(stress_test_args_t *args, int argc, char *argv[]) {
|
|||
("random_opp", bpo::value<bool>(&args->random_opp)->default_value(true), "Whether to generate random MAC opportunities")
|
||||
("sdu_gen_delay", bpo::value<uint32_t>(&args->sdu_gen_delay_usec)->default_value(0), "SDU generation delay (usec)")
|
||||
("pdu_tx_delay", bpo::value<uint32_t>(&args->pdu_tx_delay_usec)->default_value(0), "Delay in MAC for transfering PDU from tx'ing RLC to rx'ing RLC (usec)")
|
||||
("error_rate", bpo::value<float>(&args->error_rate)->default_value(0.1), "Rate at which RLC PDUs are dropped")
|
||||
("pdu_drop_rate", bpo::value<float>(&args->pdu_drop_rate)->default_value(0.1), "Rate at which RLC PDUs are dropped")
|
||||
("pdu_cut_rate", bpo::value<float>(&args->pdu_cut_rate)->default_value(0.0), "Rate at which RLC PDUs are chopped in length")
|
||||
("reestablish", bpo::value<bool>(&args->reestablish)->default_value(false), "Mimic RLC reestablish during execution")
|
||||
("loglevel", bpo::value<uint32_t>(&args->log_level)->default_value(srslte::LOG_LEVEL_DEBUG), "Log level (1=Error,2=Warning,3=Info,4=Debug)")
|
||||
("singletx", bpo::value<bool>(&args->single_tx)->default_value(false), "If set to true, only one node is generating data")
|
||||
("pcap", bpo::value<bool>(&args->write_pcap)->default_value(false), "Whether to write all RLC PDU to PCAP file")
|
||||
("zeroseed", bpo::value<bool>(&args->zero_seed)->default_value(false), "Whether to initialize random seed to zero");
|
||||
("zeroseed", bpo::value<bool>(&args->zero_seed)->default_value(false), "Whether to initialize random seed to zero")
|
||||
("pedantic", bpo::value<bool>(&args->pedantic_sdu_check)->default_value(false), "Whether to check SDU length and exit on error");
|
||||
// clang-format on
|
||||
|
||||
// these options are allowed on the command line
|
||||
bpo::options_description cmdline_options;
|
||||
|
@ -136,7 +144,8 @@ public:
|
|||
lcid(lcid_),
|
||||
stack(stack_),
|
||||
log("MAC "),
|
||||
thread("MAC_DUMMY")
|
||||
thread("MAC_DUMMY"),
|
||||
real_dist(0.0, 1.0)
|
||||
{
|
||||
log.set_level(static_cast<LOG_LEVEL_ENUM>(args.log_level));
|
||||
log.set_hex_limit(LOG_HEX_LIMIT);
|
||||
|
@ -160,7 +169,7 @@ private:
|
|||
|
||||
float factor = 1.0;
|
||||
if (args.random_opp) {
|
||||
factor = 0.5 + static_cast<float>(rand())/RAND_MAX;
|
||||
factor = 0.5 + real_dist(mt19937);
|
||||
}
|
||||
int opp_size = args.avg_opp_size * factor;
|
||||
uint32_t buf_state = tx_rlc->get_buffer_state(lcid);
|
||||
|
@ -170,12 +179,18 @@ private:
|
|||
if (args.pdu_tx_delay_usec > 0) {
|
||||
usleep(args.pdu_tx_delay_usec);
|
||||
}
|
||||
if(((float)rand()/RAND_MAX > args.error_rate) && read>0) {
|
||||
rx_rlc->write_pdu(lcid, pdu->msg, pdu->N_bytes);
|
||||
if ((real_dist(mt19937) > args.pdu_drop_rate) && read > 0) {
|
||||
uint32_t pdu_len = pdu->N_bytes;
|
||||
if ((real_dist(mt19937) > 0.1) && args.pdu_cut_rate) {
|
||||
int cut_pdu_len = pdu_len * real_dist(mt19937);
|
||||
log.info("Cutting MAC PDU len (%d B > %d B)\n", pdu_len, cut_pdu_len);
|
||||
pdu_len = cut_pdu_len;
|
||||
}
|
||||
rx_rlc->write_pdu(lcid, pdu->msg, pdu_len);
|
||||
if (is_dl) {
|
||||
pcap->write_dl_am_ccch(pdu->msg, pdu->N_bytes);
|
||||
pcap->write_dl_am_ccch(pdu->msg, pdu_len);
|
||||
} else {
|
||||
pcap->write_ul_am_ccch(pdu->msg, pdu->N_bytes);
|
||||
pcap->write_ul_am_ccch(pdu->msg, pdu_len);
|
||||
}
|
||||
} else {
|
||||
log.warning_hex(pdu->msg, pdu->N_bytes, "Dropping RLC PDU (%d B)\n", pdu->N_bytes);
|
||||
|
@ -206,6 +221,9 @@ private:
|
|||
uint32_t lcid;
|
||||
srslte::log_filter log;
|
||||
stack_dummy* stack = nullptr;
|
||||
|
||||
std::mt19937 mt19937;
|
||||
std::uniform_real_distribution<float> real_dist;
|
||||
};
|
||||
|
||||
|
||||
|
@ -241,7 +259,9 @@ public:
|
|||
assert(rx_lcid == lcid);
|
||||
if (sdu->N_bytes != args.sdu_size) {
|
||||
log.error_hex(sdu->msg, sdu->N_bytes, "Received SDU with size %d, expected %d.\n", sdu->N_bytes, args.sdu_size);
|
||||
exit(-1);
|
||||
if (args.pedantic_sdu_check) {
|
||||
exit(-1);
|
||||
}
|
||||
}
|
||||
|
||||
rx_pdus++;
|
||||
|
|
Loading…
Reference in New Issue