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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "src/core/nm-default-daemon.h"
#include "nm-netns.h"
#include "nm-test-utils-core.h"
static void
test_ip_reservation_shared4(void)
{
gs_unref_object NMPlatform *platform = NULL;
gs_unref_object NMNetns *netns = NULL;
NMNetnsIPReservation *res[256];
NMNetnsIPReservation *res1;
NMNetnsIPReservation *res2;
char buf[NM_INET_ADDRSTRLEN];
guint i;
platform = g_object_ref(NM_PLATFORM_GET);
netns = nm_netns_new(platform);
/* Allocate addresses from 10.42.0.1 to 10.42.255.1 */
for (i = 0; i < 256; i++) {
res[i] = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_SHARED4);
g_snprintf(buf, sizeof(buf), "10.42.%u.1", i);
nmtst_assert_ip4_address(res[i]->addr, buf);
g_assert_cmpint(res[i]->_ref_count, ==, 1);
}
/* Release an address and get it back */
nm_netns_ip_reservation_release(res[139]);
res[139] = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_SHARED4);
nmtst_assert_ip4_address(res[139]->addr, "10.42.139.1");
/* Reuse 10.42.255.1 once */
NMTST_EXPECT_NM_ERROR("netns[*]: shared-ip4: ran out of IP addresses. Reuse 10.42.255.1/24");
res1 = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_SHARED4);
g_test_assert_expected_messages();
nmtst_assert_ip4_address(res1->addr, "10.42.255.1");
g_assert_cmpint(res1->_ref_count, ==, 2);
/* Reuse 10.42.255.1 twice */
res2 = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_SHARED4);
g_assert(res2 == res1);
nmtst_assert_ip4_address(res1->addr, "10.42.255.1");
g_assert_cmpint(res2->_ref_count, ==, 3);
/* Release all */
nm_netns_ip_reservation_release(res1);
nm_netns_ip_reservation_release(res2);
for (i = 0; i < 256; i++) {
nm_netns_ip_reservation_release(res[i]);
}
}
/*****************************************************************************/
NMTST_DEFINE();
int
main(int argc, char **argv)
{
nmtst_init_with_logging(&argc, &argv, NULL, "ALL");
nm_linux_platform_setup();
g_test_add_func("/netns/ip_reservation/shared4", test_ip_reservation_shared4);
return g_test_run();
}
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