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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <assert.h>
#include "util.h"
#include "cgroup-util.h"
static void check_p_d_u(const char *path, int code, const char *result) {
_cleanup_free_ char *unit = NULL;
assert_se(cg_path_decode_unit(path, &unit) == code);
assert_se(streq_ptr(unit, result));
}
static void test_path_decode_unit(void) {
check_p_d_u("getty@.service/getty@tty2.service", 0, "getty@tty2.service");
check_p_d_u("getty@.service/getty@tty2.service/xxx", 0, "getty@tty2.service");
check_p_d_u("getty@.service/", -EINVAL, NULL);
check_p_d_u("getty@.service", -EINVAL, NULL);
check_p_d_u("getty.service", 0, "getty.service");
check_p_d_u("getty", -EINVAL, NULL);
}
static void check_p_g_u(const char *path, int code, const char *result) {
_cleanup_free_ char *unit = NULL;
assert_se(cg_path_get_unit(path, &unit) == code);
assert_se(streq_ptr(unit, result));
}
static void check_p_g_u_u(const char *path, int code, const char *result) {
_cleanup_free_ char *unit = NULL;
assert_se(cg_path_get_user_unit(path, &unit) == code);
assert_se(streq_ptr(unit, result));
}
static void test_path_get_unit(void) {
check_p_g_u("/system/foobar.service/sdfdsaf", 0, "foobar.service");
check_p_g_u("/system/getty@.service/getty@tty5.service", 0, "getty@tty5.service");
check_p_g_u("/system/getty@.service/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service");
check_p_g_u("/system/getty@.service/getty@tty5.service/", 0, "getty@tty5.service");
check_p_g_u("/system/getty@tty6.service/tty5", 0, "getty@tty6.service");
check_p_g_u("sadfdsafsda", -ENOENT, NULL);
check_p_g_u("/system/getty####@tty6.service/tty5", -EINVAL, NULL);
}
static void test_path_get_user_unit(void) {
check_p_g_u_u("/user/lennart/2/systemd-21548/foobar.service", 0, "foobar.service");
check_p_g_u_u("/user/lennart/2/systemd-21548/foobar.service/waldo", 0, "foobar.service");
check_p_g_u_u("/user/lennart/2/systemd-21548/foobar.service/waldo/uuuux", 0, "foobar.service");
check_p_g_u_u("/user/lennart/2/systemd-21548/waldo/waldo/uuuux", -EINVAL, NULL);
check_p_g_u_u("/user/lennart/2/foobar.service", -ENOENT, NULL);
check_p_g_u_u("/user/lennart/2/systemd-21548/foobar@.service/foobar@pie.service/pa/po", 0, "foobar@pie.service");
}
static void test_get_paths(void) {
_cleanup_free_ char *a = NULL, *b = NULL, *c = NULL, *d = NULL;
assert_se(cg_get_root_path(&a) >= 0);
log_info("Root = %s", a);
assert_se(cg_get_system_path(&b) >= 0);
log_info("System = %s", b);
assert_se(cg_get_user_path(&c) >= 0);
log_info("User = %s", c);
assert_se(cg_get_machine_path("harley", &d) >= 0);
log_info("Machine = %s", d);
}
static void test_proc(void) {
_cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r;
d = opendir("/proc");
assert_se(d);
FOREACH_DIRENT(de, d, break) {
_cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *prefix = NULL;
pid_t pid;
uid_t uid = (uid_t) -1;
if (de->d_type != DT_DIR &&
de->d_type != DT_UNKNOWN)
continue;
r = parse_pid(de->d_name, &pid);
if (r < 0)
continue;
if (is_kernel_thread(pid))
continue;
cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &path);
cg_pid_get_path_shifted(pid, &prefix, &path_shifted);
cg_pid_get_owner_uid(pid, &uid);
cg_pid_get_session(pid, &session);
cg_pid_get_unit(pid, &unit);
cg_pid_get_user_unit(pid, &user_unit);
cg_pid_get_machine_name(pid, &machine);
printf("%lu\t%s\t%s\t%s\t%lu\t%s\t%s\t%s\t%s\n",
(unsigned long) pid,
path,
prefix,
path_shifted,
(unsigned long) uid,
session,
unit,
user_unit,
machine);
}
}
static void test_escape_one(const char *s, const char *r) {
_cleanup_free_ char *b;
b = cg_escape(s);
assert_se(b);
assert_se(streq(b, r));
assert_se(streq(cg_unescape(b), s));
}
static void test_escape(void) {
test_escape_one("foobar", "foobar");
test_escape_one(".foobar", "_.foobar");
test_escape_one("foobar.service", "foobar.service");
test_escape_one("cgroup.service", "_cgroup.service");
test_escape_one("cpu.service", "_cpu.service");
test_escape_one("tasks", "_tasks");
test_escape_one("_foobar", "__foobar");
test_escape_one("", "_");
test_escape_one("_", "__");
test_escape_one(".", "_.");
}
static void test_controller_is_valid(void) {
assert_se(cg_controller_is_valid("foobar", false));
assert_se(cg_controller_is_valid("foo_bar", false));
assert_se(cg_controller_is_valid("name=foo", true));
assert_se(!cg_controller_is_valid("", false));
assert_se(!cg_controller_is_valid("name=", true));
assert_se(!cg_controller_is_valid("=", false));
assert_se(!cg_controller_is_valid("cpu,cpuacct", false));
assert_se(!cg_controller_is_valid("_", false));
assert_se(!cg_controller_is_valid("_foobar", false));
assert_se(!cg_controller_is_valid("tatü", false));
}
static void test_slice_to_path_one(const char *unit, const char *path, int error) {
_cleanup_free_ char *ret = NULL;
assert_se(cg_slice_to_path(unit, &ret) == error);
assert_se(streq_ptr(ret, path));
}
static void test_slice_to_path(void) {
test_slice_to_path_one("foobar.slice", "foobar.slice", 0);
test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0);
test_slice_to_path_one("foobar-waldo.service", NULL, -EINVAL);
test_slice_to_path_one("-.slice", NULL, -EINVAL);
test_slice_to_path_one("-foo-.slice", NULL, -EINVAL);
test_slice_to_path_one("-foo.slice", NULL, -EINVAL);
test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0);
test_slice_to_path_one("a-b-c-d-e.slice", "a.slice/a-b.slice/a-b-c.slice/a-b-c-d.slice/a-b-c-d-e.slice", 0);
}
int main(void) {
test_path_decode_unit();
test_path_get_unit();
test_path_get_user_unit();
test_get_paths();
test_proc();
test_escape();
test_controller_is_valid();
test_slice_to_path();
return 0;
}
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