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extend RLC AM stress tester to mimic reestablishment

This commit is contained in:
Andre Puschmann 2018-02-22 15:43:40 +01:00
parent 5cfffd11e1
commit 07c704b0dd
1 changed files with 29 additions and 15 deletions
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44
lib/test/upper/rlc_am_stress_test.cc
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@ -44,6 +44,8 @@ typedef struct {
uint32_t test_duration_sec;
float error_rate;
uint32_t sdu_gen_delay_usec;
uint32_t pdu_tx_delay_usec;
bool reestablish;
} stress_test_args_t;
void parse_args(stress_test_args_t *args, int argc, char *argv[]) {
@ -58,9 +60,11 @@ void parse_args(stress_test_args_t *args, int argc, char *argv[]) {
// Command line or config file options
bpo::options_description common("Configuration options");
common.add_options()
("duration", bpo::value<uint32_t>(&args->test_duration_sec)->default_value(10), "Duration (sec)")
("duration", bpo::value<uint32_t>(&args->test_duration_sec)->default_value(10), "Duration (sec)")
("sdu_gen_delay", bpo::value<uint32_t>(&args->sdu_gen_delay_usec)->default_value(10), "SDU generation delay (usec)")
("error_rate", bpo::value<float>(&args->error_rate)->default_value(0.1), "Rate at which RLC PDUs are dropped");
("pdu_tx_delay", bpo::value<uint32_t>(&args->pdu_tx_delay_usec)->default_value(10), "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")
("reestablish", bpo::value<bool>(&args->reestablish)->default_value(false), "Mimic RLC reestablish during execution");
// these options are allowed on the command line
bpo::options_description cmdline_options;
@ -83,14 +87,14 @@ class mac_reader
:public thread
{
public:
mac_reader(rlc_interface_mac *rlc1_, rlc_interface_mac *rlc2_, float fail_rate_, uint32_t sdu_gen_delay_usec_)
mac_reader(rlc_interface_mac *rlc1_, rlc_interface_mac *rlc2_, float fail_rate_, uint32_t pdu_tx_delay_usec_)
{
rlc1 = rlc1_;
rlc2 = rlc2_;
fail_rate = fail_rate_;
run_enable = true;
running = false;
sdu_gen_delay_usec = sdu_gen_delay_usec_;
pdu_tx_delay_usec = pdu_tx_delay_usec_;
}
void stop()
@ -125,7 +129,7 @@ private:
if(((float)rand()/RAND_MAX > fail_rate) && read>0) {
rlc2->write_pdu(1, pdu->msg, opp_size);
}
usleep(sdu_gen_delay_usec);
usleep(pdu_tx_delay_usec);
}
running = false;
byte_buffer_pool::get_instance()->deallocate(pdu);
@ -134,7 +138,7 @@ private:
rlc_interface_mac *rlc1;
rlc_interface_mac *rlc2;
float fail_rate;
uint32_t sdu_gen_delay_usec;
uint32_t pdu_tx_delay_usec;
bool run_enable;
bool running;
@ -144,9 +148,9 @@ class mac_dummy
:public srslte::mac_interface_timers
{
public:
mac_dummy(rlc_interface_mac *rlc1_, rlc_interface_mac *rlc2_, float fail_rate_, uint32_t sdu_gen_delay_usec_)
:r1(rlc1_, rlc2_, fail_rate_, sdu_gen_delay_usec_)
,r2(rlc2_, rlc1_, fail_rate_, sdu_gen_delay_usec_)
mac_dummy(rlc_interface_mac *rlc1_, rlc_interface_mac *rlc2_, float fail_rate_, uint32_t pdu_tx_delay)
:r1(rlc1_, rlc2_, fail_rate_, pdu_tx_delay)
,r2(rlc2_, rlc1_, fail_rate_, pdu_tx_delay)
{
}
@ -184,12 +188,13 @@ class rlc_am_tester
,public thread
{
public:
rlc_am_tester(rlc_interface_pdcp *rlc_, std::string name_=""){
rlc_am_tester(rlc_interface_pdcp *rlc_, std::string name_, uint32_t sdu_gen_delay_usec_){
rlc = rlc_;
run_enable = true;
running = false;
rx_pdus = 0;
name = name_;
sdu_gen_delay_usec = sdu_gen_delay_usec_;
}
void stop()
@ -235,7 +240,7 @@ private:
pdu->N_bytes = 1500;
pdu->msg[0] = sn++;
rlc->write_sdu(1, pdu);
usleep(10);
usleep(sdu_gen_delay_usec);
}
running = false;
}
@ -246,6 +251,8 @@ private:
std::string name;
uint32_t sdu_gen_delay_usec;
rlc_interface_pdcp *rlc;
};
@ -261,9 +268,9 @@ void stress_test(stress_test_args_t args)
rlc rlc1;
rlc rlc2;
rlc_am_tester tester1(&rlc1, "tester1");
rlc_am_tester tester2(&rlc2, "tester2");
mac_dummy mac(&rlc1, &rlc2, args.error_rate, args.sdu_gen_delay_usec);
rlc_am_tester tester1(&rlc1, "tester1", args.sdu_gen_delay_usec);
rlc_am_tester tester2(&rlc2, "tester2", args.sdu_gen_delay_usec);
mac_dummy mac(&rlc1, &rlc2, args.error_rate, args.pdu_tx_delay_usec);
ue_interface ue;
rlc1.init(&tester1, &tester1, &ue, &log1, &mac, 0);
@ -287,7 +294,14 @@ void stress_test(stress_test_args_t args)
tester2.start(7);
mac.start();
usleep(args.test_duration_sec * 1e6);
for (uint32_t i = 0; i < args.test_duration_sec; i++) {
// if enabled, mimic reestablishment every second
if (args.reestablish) {
rlc1.reestablish();
rlc2.reestablish();
}
usleep(1e6);
}
tester1.stop();
tester2.stop();