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/*
* Ouroboros - Copyright (C) 2016 - 2024
*
* Test of the SSM flow set
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#if defined(__linux__) || defined(__CYGWIN__)
#define _DEFAULT_SOURCE
#else
#define _POSIX_C_SOURCE 200112L
#endif
#include "config.h"
#include "ssm.h"
#include <test/test.h>
#include <ouroboros/ssm_flow_set.h>
#include <ouroboros/errno.h>
#include <ouroboros/time.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
static int test_ssm_flow_set_create_destroy(void)
{
struct ssm_flow_set * set;
pid_t pid;
TEST_START();
pid = getpid();
set = ssm_flow_set_create(pid);
if (set == NULL) {
printf("Failed to create flow set.\n");
goto fail;
}
ssm_flow_set_destroy(set);
TEST_SUCCESS();
return TEST_RC_SUCCESS;
fail:
TEST_FAIL();
return TEST_RC_FAIL;
}
static int test_ssm_flow_set_add_del_has(void)
{
struct ssm_flow_set * set;
pid_t pid;
size_t idx = 0;
int flow_id = 42;
TEST_START();
pid = getpid();
set = ssm_flow_set_create(pid);
if (set == NULL) {
printf("Failed to create flow set.\n");
goto fail;
}
if (ssm_flow_set_has(set, idx, flow_id)) {
printf("Flow should not be in set initially.\n");
goto fail_destroy;
}
if (ssm_flow_set_add(set, idx, flow_id) < 0) {
printf("Failed to add flow to set.\n");
goto fail_destroy;
}
if (!ssm_flow_set_has(set, idx, flow_id)) {
printf("Flow should be in set after add.\n");
goto fail_destroy;
}
/* Adding same flow again should fail */
if (ssm_flow_set_add(set, idx, flow_id) != -EPERM) {
printf("Should not be able to add flow twice.\n");
goto fail_destroy;
}
ssm_flow_set_del(set, idx, flow_id);
if (ssm_flow_set_has(set, idx, flow_id)) {
printf("Flow should not be in set after delete.\n");
goto fail_destroy;
}
ssm_flow_set_destroy(set);
TEST_SUCCESS();
return TEST_RC_SUCCESS;
fail_destroy:
ssm_flow_set_destroy(set);
fail:
TEST_FAIL();
return TEST_RC_FAIL;
}
static int test_ssm_flow_set_zero(void)
{
struct ssm_flow_set * set;
pid_t pid;
size_t idx = 0;
int flow_id1 = 10;
int flow_id2 = 20;
TEST_START();
pid = getpid();
set = ssm_flow_set_create(pid);
if (set == NULL) {
printf("Failed to create flow set.\n");
goto fail;
}
if (ssm_flow_set_add(set, idx, flow_id1) < 0) {
printf("Failed to add flow1 to set.\n");
goto fail_destroy;
}
if (ssm_flow_set_add(set, idx, flow_id2) < 0) {
printf("Failed to add flow2 to set.\n");
goto fail_destroy;
}
ssm_flow_set_zero(set, idx);
if (ssm_flow_set_has(set, idx, flow_id1)) {
printf("Flow1 should not be in set after zero.\n");
goto fail_destroy;
}
if (ssm_flow_set_has(set, idx, flow_id2)) {
printf("Flow2 should not be in set after zero.\n");
goto fail_destroy;
}
ssm_flow_set_destroy(set);
TEST_SUCCESS();
return TEST_RC_SUCCESS;
fail_destroy:
ssm_flow_set_destroy(set);
fail:
TEST_FAIL();
return TEST_RC_FAIL;
}
static int test_ssm_flow_set_notify_wait(void)
{
struct ssm_flow_set * set;
pid_t pid;
size_t idx = 0;
int flow_id = 100;
struct flowevent events[SSM_RBUFF_SIZE];
struct timespec timeout;
ssize_t ret;
TEST_START();
pid = getpid();
set = ssm_flow_set_create(pid);
if (set == NULL) {
printf("Failed to create flow set.\n");
goto fail;
}
if (ssm_flow_set_add(set, idx, flow_id) < 0) {
printf("Failed to add flow to set.\n");
goto fail_destroy;
}
/* Test immediate timeout when no events */
clock_gettime(PTHREAD_COND_CLOCK, &timeout);
ret = ssm_flow_set_wait(set, idx, events, &timeout);
if (ret != -ETIMEDOUT) {
printf("Wait should timeout immediately when no events.\n");
goto fail_destroy;
}
/* Notify an event */
ssm_flow_set_notify(set, flow_id, FLOW_PKT);
/* Should be able to read the event immediately */
clock_gettime(PTHREAD_COND_CLOCK, &timeout);
ts_add(&timeout, &timeout, &((struct timespec) {1, 0}));
ret = ssm_flow_set_wait(set, idx, events, &timeout);
if (ret != 1) {
printf("Wait should return 1 event, got %zd.\n", ret);
goto fail_destroy;
}
if (events[0].flow_id != flow_id) {
printf("Event flow_id mismatch: expected %d, got %d.\n",
flow_id, events[0].flow_id);
goto fail_destroy;
}
if (events[0].event != FLOW_PKT) {
printf("Event type mismatch: expected %d, got %d.\n",
FLOW_PKT, events[0].event);
goto fail_destroy;
}
ssm_flow_set_destroy(set);
TEST_SUCCESS();
return TEST_RC_SUCCESS;
fail_destroy:
ssm_flow_set_destroy(set);
fail:
TEST_FAIL();
return TEST_RC_FAIL;
}
int flow_set_test(int argc,
char ** argv)
{
int ret = 0;
(void) argc;
(void) argv;
ret |= test_ssm_flow_set_create_destroy();
ret |= test_ssm_flow_set_add_del_has();
ret |= test_ssm_flow_set_zero();
ret |= test_ssm_flow_set_notify_wait();
return ret;
}
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