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tests/libalias: Add port forwardings

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Add port forwardings to the performance tests.  This will cause random
incoming packets to match the random port forwardings opends beforehand.

MFC after:	1 week
Differential Revision: https://reviews.freebsd.org/D30443
This commit is contained in:
Lutz Donnerhacke 2021-05-24 23:31:09 +02:00
parent 6e87898a2c
commit d62e1ecba0
1 changed files with 48 additions and 12 deletions
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60
tests/sys/netinet/libalias/perf.c
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@ -55,6 +55,11 @@
goto out; \
} } while(0)
static void
usage() {
printf("Usage: perf [max_seconds [batch_size [random_size [attack_size [redir_size]]]]]\n");
exit(1);
}
int main(int argc, char ** argv)
{
@ -69,17 +74,31 @@ int main(int argc, char ** argv)
struct {
unsigned long ok, fail;
} nat, usenat, unnat, random, attack;
int max_seconds, batch_size, random_size, attack_length, round;
int check_timeout_cnt = 0;
int i, round, check_timeout_cnt = 0;
int max_seconds = 90, batch_size = 2000,
random_size = 1000, attack_size = 1000,
redir_size = 2000;
if(argc != 5 ||
0 > (max_seconds = atoi(argv[1])) ||
0 >= (batch_size = atoi(argv[2])) ||
0 >= (random_size = atoi(argv[3])) ||
0 >= (attack_length = atoi(argv[4]))) {
printf("Usage: %s max_seconds batch_size random_size attack_length\n", argv[0]);
return 1;
if (argc >= 2) {
char * end;
max_seconds = strtol(argv[1], &end, 10);
if (max_seconds < 2 || end[0] != '\0')
usage();
}
if (argc > 2 && (batch_size = atoi(argv[2])) < 0) usage();
if (argc > 3 && (random_size = atoi(argv[3])) < 0) usage();
if (argc > 4 && (attack_size = atoi(argv[4])) < 0) usage();
if (argc > 5 && (redir_size = atoi(argv[5])) < 0) usage();
printf("Running perfomance test with parameters:\n");
printf(" Maximum Runtime (max_seconds) = %d\n", max_seconds);
printf(" Amount of valid connections (batch_size) = %d\n", batch_size);
printf(" Amount of random, incoming packets (batch_size) = %d\n", random_size);
printf(" Repeat count of a random, incoming packet (attack_size) = %d\n", attack_size);
printf(" Amount of open port forwardings (redir_size) = %d\n", redir_size);
printf("\n");
if (NULL == (la = LibAliasInit(NULL))) {
perror("LibAliasInit");
return -1;
@ -92,11 +111,20 @@ int main(int argc, char ** argv)
bzero(&attack, sizeof(attack));
LibAliasSetAddress(la, masq);
LibAliasSetMode(la, PKT_ALIAS_DENY_INCOMING, PKT_ALIAS_DENY_INCOMING);
LibAliasSetMode(la, PKT_ALIAS_SAME_PORTS | PKT_ALIAS_DENY_INCOMING, ~0);
prv1.s_addr &= htonl(0xffff0000);
ext.s_addr &= htonl(0xffff0000);
for (i = 0; i < redir_size; i++) {
int aport = htons(rand_range(1000, 2000));
int sport = htons(rand_range(1000, 2000));
prv2.s_addr &= htonl(0xffff0000);
prv2.s_addr |= rand_range(0, 0xffff);
LibAliasRedirectPort(la, prv2, sport, ANY_ADDR, 0, masq, aport, IPPROTO_UDP);
}
p = ip_packet(0, 64);
u = set_udp(p, 0, 0);
@ -110,7 +138,7 @@ int main(int argc, char ** argv)
printf("RND SECOND newNAT RANDOM ATTACK useNAT\n");
for (round = 0; ; round++) {
int i, res, cnt;
int res, cnt;
struct timeval now, start;
printf("%3d ", round+1);
@ -143,6 +171,8 @@ int main(int argc, char ** argv)
gettimeofday(&now, NULL);
if (cnt > 0)
printf("%6.2f ", timevaldiff(now, start) / cnt);
else
printf("------ ");
start = now;
for (cnt = i = 0; i < random_size; i++, cnt++) {
@ -163,13 +193,15 @@ int main(int argc, char ** argv)
gettimeofday(&now, NULL);
if (cnt > 0)
printf("%6.2f ", timevaldiff(now, start) / cnt);
else
printf("------ ");
start = now;
p->ip_src.s_addr = ext.s_addr & htonl(0xfff00000);
p->ip_src.s_addr |= htonl(rand_range(0, 0xffff));
p->ip_dst = masq;
u = set_udp(p, rand_range(1, 0xffff), rand_range(1, 0xffff));
for (cnt = i = 0; i < attack_length; i++, cnt++) {
for (cnt = i = 0; i < attack_size; i++, cnt++) {
res = LibAliasIn(la, p, 64);
if (res == PKT_ALIAS_OK)
@ -182,6 +214,8 @@ int main(int argc, char ** argv)
gettimeofday(&now, NULL);
if (cnt > 0)
printf("%6.2f ", timevaldiff(now, start) / cnt);
else
printf("------ ");
qsort(batch, batch_size, sizeof(*batch), randcmp);
@ -234,6 +268,8 @@ int main(int argc, char ** argv)
gettimeofday(&now, NULL);
if (cnt > 0)
printf("%6.2f ", timevaldiff(now, start) / cnt);
else
printf("------ ");
printf("\n");
}