list.c revision 95ee490bbdb97ab2b4f1dfa63a0a26e0dd1c2f17
/* list.c
*
* Copyright © 2013 Canonical, Inc
* Author: Serge Hallyn <serge.hallyn@ubuntu.com>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lxc/lxccontainer.h>
static void test_list_func(const char *lxcpath, const char *type,
int (*func)(const char *path, char ***names,
struct lxc_container ***cret))
{
int i, n, n2;
struct lxc_container **clist;
char **names;
printf("%-10s Counting containers\n", type);
n = func(lxcpath, NULL, NULL);
printf("%-10s Counted %d containers\n", type, n);
printf("%-10s Get container struct only\n", type);
n2 = func(lxcpath, NULL, &clist);
if (n2 != n)
printf("Warning: first call returned %d, second %d\n", n, n2);
for (i = 0; i < n2; i++) {
struct lxc_container *c = clist[i];
printf("%-10s Got container struct %s\n", type, c->name);
lxc_container_put(c);
}
if (n2 > 0) {
free(clist);
clist = NULL;
}
printf("%-10s Get names only\n", type);
n2 = func(lxcpath, &names, NULL);
if (n2 != n)
printf("Warning: first call returned %d, second %d\n", n, n2);
for (i = 0; i < n2; i++) {
printf("%-10s Got container name %s\n", type, names[i]);
free(names[i]);
}
if (n2 > 0) {
free(names);
names = NULL;
}
printf("%-10s Get names and containers\n", type);
n2 = func(lxcpath, &names, &clist);
if (n2 != n)
printf("Warning: first call returned %d, second %d\n", n, n2);
for (i = 0; i < n2; i++) {
struct lxc_container *c = clist[i];
printf("%-10s Got container struct %s, name %s\n", type, c->name, names[i]);
if (strcmp(c->name, names[i]))
fprintf(stderr, "ERROR: name mismatch!\n");
free(names[i]);
lxc_container_put(c);
}
if (n2 > 0) {
free(names);
free(clist);
}
}
int main(int argc, char *argv[])
{
char *lxcpath = NULL;
if (argc > 1)
lxcpath = argv[1];
test_list_func(lxcpath, "Defined:", list_defined_containers);
test_list_func(lxcpath, "Active:", list_active_containers);
test_list_func(lxcpath, "All:", list_all_containers);
exit(0);
}