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test-ippool.c
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/*
*
* Connection Manager
*
* Copyright (C) 2012-2014 BMW Car IT GmbH.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include "../src/connman.h"
/* #define DEBUG */
#ifdef DEBUG
#include <stdio.h>
#define LOG(fmt, arg...) do { \
fprintf(stdout, "%s:%s() " fmt "\n", \
__FILE__, __func__ , ## arg); \
} while (0)
#else
#define LOG(fmt, arg...)
#endif
static void test_case_1(void)
{
struct connman_ippool *pool;
int i;
__connman_ippool_init();
pool = __connman_ippool_create(23, 1, 500, NULL, NULL);
g_assert(!pool);
for (i = 0; i < 100000; i++) {
pool = __connman_ippool_create(23, 1, 20, NULL, NULL);
g_assert(pool);
__connman_ippool_free(pool);
}
__connman_ippool_cleanup();
}
static void test_case_2(void)
{
struct connman_ippool *pool;
const char *gateway;
const char *broadcast;
const char *subnet_mask;
const char *start_ip;
const char *end_ip;
int i;
__connman_ippool_init();
/* Test the IP range */
for (i = 1; i < 254; i++) {
pool = __connman_ippool_create(23, 1, i, NULL, NULL);
g_assert(pool);
gateway = __connman_ippool_get_gateway(pool);
broadcast = __connman_ippool_get_broadcast(pool);
subnet_mask = __connman_ippool_get_subnet_mask(pool);
start_ip = __connman_ippool_get_start_ip(pool);
end_ip = __connman_ippool_get_end_ip(pool);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
__connman_ippool_free(pool);
}
__connman_ippool_cleanup();
}
static void test_case_3(void)
{
struct connman_ippool *pool;
const char *gateway;
const char *broadcast;
const char *subnet_mask;
const char *start_ip;
const char *end_ip;
GSList *list = NULL, *it;
int i = 0;
__connman_ippool_init();
/*
* Number of addresses
* 24-bit block 10.0.0.0 – 10.255.255.255 16,777,216
* 20-bit block 172.16.0.0 – 172.31.255.255 1,048,576
* 16-bit block 192.168.0.0 – 192.168.255.255 65,536
*
* Total 17,891,328
*
* Total numbers of 256 blocks: 69,888
*/
/*
* Completely exhaust the first two pools because they are a bit
* too large.
*/
__connman_ippool_newaddr(45, "10.0.0.1", 8);
__connman_ippool_newaddr(46, "172.16.0.1", 11);
while (TRUE) {
pool = __connman_ippool_create(23, 1, 100, NULL, NULL);
if (!pool)
break;
i += 1;
list = g_slist_prepend(list, pool);
gateway = __connman_ippool_get_gateway(pool);
broadcast = __connman_ippool_get_broadcast(pool);
subnet_mask = __connman_ippool_get_subnet_mask(pool);
start_ip = __connman_ippool_get_start_ip(pool);
end_ip = __connman_ippool_get_end_ip(pool);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
}
g_assert(i == 255);
LOG("Number of blocks %d", i);
for (it = list; it; it = it->next) {
pool = it->data;
__connman_ippool_free(pool);
}
g_slist_free(list);
__connman_ippool_cleanup();
}
static void collision_cb(struct connman_ippool *pool, void *user_data)
{
int *flag = user_data;
LOG("collision detected");
g_assert(*flag == 0);
g_assert(pool);
*flag = 1;
}
static void test_case_4(void)
{
struct connman_ippool *pool;
const char *gateway;
const char *broadcast;
const char *subnet_mask;
const char *start_ip;
const char *end_ip;
int flag;
__connman_ippool_init();
/* Test the IP range collision */
flag = 0;
pool = __connman_ippool_create(23, 1, 100, collision_cb, &flag);
g_assert(pool);
gateway = __connman_ippool_get_gateway(pool);
broadcast = __connman_ippool_get_broadcast(pool);
subnet_mask = __connman_ippool_get_subnet_mask(pool);
start_ip = __connman_ippool_get_start_ip(pool);
end_ip = __connman_ippool_get_end_ip(pool);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
__connman_ippool_newaddr(23, start_ip, 24);
g_assert(flag == 0);
__connman_ippool_newaddr(42, start_ip, 16);
g_assert(flag == 1);
__connman_ippool_free(pool);
flag = 0;
pool = __connman_ippool_create(23, 1, 100, collision_cb, &flag);
g_assert(pool);
gateway = __connman_ippool_get_gateway(pool);
broadcast = __connman_ippool_get_broadcast(pool);
subnet_mask = __connman_ippool_get_subnet_mask(pool);
start_ip = __connman_ippool_get_start_ip(pool);
end_ip = __connman_ippool_get_end_ip(pool);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
__connman_ippool_newaddr(45, start_ip, 22);
g_assert(flag == 1);
__connman_ippool_free(pool);
__connman_ippool_cleanup();
}
static void test_case_5(void)
{
struct connman_ippool *pool1, *pool2;
const char *gateway;
const char *broadcast;
const char *subnet_mask;
const char *start_ip;
const char *end_ip;
int flag;
__connman_ippool_init();
/* Test the IP range collision */
flag = 0;
start_ip = "192.168.1.2";
__connman_ippool_newaddr(25, start_ip, 24);
g_assert(flag == 0);
/* pool should return 192.168.0.1 now */
pool1 = __connman_ippool_create(26, 1, 100, collision_cb, &flag);
g_assert(pool1);
gateway = __connman_ippool_get_gateway(pool1);
broadcast = __connman_ippool_get_broadcast(pool1);
subnet_mask = __connman_ippool_get_subnet_mask(pool1);
start_ip = __connman_ippool_get_start_ip(pool1);
end_ip = __connman_ippool_get_end_ip(pool1);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
g_assert_cmpstr(gateway, ==, "192.168.0.1");
g_assert_cmpstr(broadcast, ==, "192.168.0.255");
g_assert_cmpstr(subnet_mask, ==, "255.255.255.0");
g_assert_cmpstr(start_ip, ==, "192.168.0.1");
g_assert_cmpstr(end_ip, ==, "192.168.0.101");
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
/*
* Now create the pool again, we should not get collision
* with existing allocated address.
*/
/* pool should return 192.168.2.1 now */
flag = 0;
pool2 = __connman_ippool_create(23, 1, 100, collision_cb, &flag);
g_assert(pool2);
gateway = __connman_ippool_get_gateway(pool2);
broadcast = __connman_ippool_get_broadcast(pool2);
subnet_mask = __connman_ippool_get_subnet_mask(pool2);
start_ip = __connman_ippool_get_start_ip(pool2);
end_ip = __connman_ippool_get_end_ip(pool2);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
g_assert_cmpstr(gateway, ==, "192.168.2.1");
g_assert_cmpstr(broadcast, ==, "192.168.2.255");
g_assert_cmpstr(subnet_mask, ==, "255.255.255.0");
g_assert_cmpstr(start_ip, ==, "192.168.2.1");
g_assert_cmpstr(end_ip, ==, "192.168.2.101");
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
g_assert(flag == 0);
__connman_ippool_free(pool1);
__connman_ippool_free(pool2);
__connman_ippool_cleanup();
}
static void test_case_6(void)
{
struct connman_ippool *pool1, *pool2;
const char *gateway;
const char *broadcast;
const char *subnet_mask;
const char *start_ip;
const char *end_ip;
int flag;
__connman_ippool_init();
/* Test the IP range collision */
flag = 0;
start_ip = "192.168.1.2";
__connman_ippool_newaddr(25, start_ip, 24);
g_assert(flag == 0);
flag = 0;
start_ip = "192.168.0.2";
__connman_ippool_newaddr(25, start_ip, 24);
g_assert(flag == 0);
/* pool should return 192.168.2.1 now */
pool1 = __connman_ippool_create(26, 1, 100, collision_cb, &flag);
g_assert(pool1);
gateway = __connman_ippool_get_gateway(pool1);
broadcast = __connman_ippool_get_broadcast(pool1);
subnet_mask = __connman_ippool_get_subnet_mask(pool1);
start_ip = __connman_ippool_get_start_ip(pool1);
end_ip = __connman_ippool_get_end_ip(pool1);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
g_assert_cmpstr(gateway, ==, "192.168.2.1");
g_assert_cmpstr(broadcast, ==, "192.168.2.255");
g_assert_cmpstr(subnet_mask, ==, "255.255.255.0");
g_assert_cmpstr(start_ip, ==, "192.168.2.1");
g_assert_cmpstr(end_ip, ==, "192.168.2.101");
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
/*
* Now create the pool again, we should not get collision
* with existing allocated address.
*/
/* pool should return 192.168.3.1 now */
flag = 0;
pool2 = __connman_ippool_create(23, 1, 100, collision_cb, &flag);
g_assert(pool2);
gateway = __connman_ippool_get_gateway(pool2);
broadcast = __connman_ippool_get_broadcast(pool2);
subnet_mask = __connman_ippool_get_subnet_mask(pool2);
start_ip = __connman_ippool_get_start_ip(pool2);
end_ip = __connman_ippool_get_end_ip(pool2);
g_assert(gateway);
g_assert(broadcast);
g_assert(subnet_mask);
g_assert(start_ip);
g_assert(end_ip);
g_assert_cmpstr(gateway, ==, "192.168.3.1");
g_assert_cmpstr(broadcast, ==, "192.168.3.255");
g_assert_cmpstr(subnet_mask, ==, "255.255.255.0");
g_assert_cmpstr(start_ip, ==, "192.168.3.1");
g_assert_cmpstr(end_ip, ==, "192.168.3.101");
LOG("\n\tIP range %s --> %s\n"
"\tgateway %s broadcast %s mask %s", start_ip, end_ip,
gateway, broadcast, subnet_mask);
g_assert(flag == 0);
flag = 0;
start_ip = "192.168.3.2";
__connman_ippool_newaddr(25, start_ip, 24);
g_assert(flag == 1);
__connman_ippool_free(pool1);
__connman_ippool_free(pool2);
__connman_ippool_cleanup();
}
int main(int argc, char *argv[])
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/ippool/Test case 1", test_case_1);
g_test_add_func("/ippool/Test case 2", test_case_2);
g_test_add_func("/ippool/Test case 3", test_case_3);
g_test_add_func("/ippool/Test case 4", test_case_4);
g_test_add_func("/ippool/Test case 5", test_case_5);
g_test_add_func("/ippool/Test case 6", test_case_6);
return g_test_run();
}