1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Zbigniew Jędrzejewski-Szmek
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include "cgroup-util.h"
24 #include "formats-util.h"
25 #include "parse-util.h"
26 #include "process-util.h"
27 #include "string-util.h"
28 #include "test-helper.h"
31 static void check_p_d_u(const char *path
, int code
, const char *result
) {
32 _cleanup_free_
char *unit
= NULL
;
35 r
= cg_path_decode_unit(path
, &unit
);
36 printf("%s: %s → %s %d expected %s %d\n", __func__
, path
, unit
, r
, result
, code
);
38 assert_se(streq_ptr(unit
, result
));
41 static void test_path_decode_unit(void) {
42 check_p_d_u("getty@tty2.service", 0, "getty@tty2.service");
43 check_p_d_u("getty@tty2.service/", 0, "getty@tty2.service");
44 check_p_d_u("getty@tty2.service/xxx", 0, "getty@tty2.service");
45 check_p_d_u("getty@.service/", -ENXIO
, NULL
);
46 check_p_d_u("getty@.service", -ENXIO
, NULL
);
47 check_p_d_u("getty.service", 0, "getty.service");
48 check_p_d_u("getty", -ENXIO
, NULL
);
49 check_p_d_u("getty/waldo", -ENXIO
, NULL
);
50 check_p_d_u("_cpu.service", 0, "cpu.service");
53 static void check_p_g_u(const char *path
, int code
, const char *result
) {
54 _cleanup_free_
char *unit
= NULL
;
57 r
= cg_path_get_unit(path
, &unit
);
58 printf("%s: %s → %s %d expected %s %d\n", __func__
, path
, unit
, r
, result
, code
);
60 assert_se(streq_ptr(unit
, result
));
63 static void test_path_get_unit(void) {
64 check_p_g_u("/system.slice/foobar.service/sdfdsaf", 0, "foobar.service");
65 check_p_g_u("/system.slice/getty@tty5.service", 0, "getty@tty5.service");
66 check_p_g_u("/system.slice/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service");
67 check_p_g_u("/system.slice/getty@tty5.service/", 0, "getty@tty5.service");
68 check_p_g_u("/system.slice/getty@tty6.service/tty5", 0, "getty@tty6.service");
69 check_p_g_u("sadfdsafsda", -ENXIO
, NULL
);
70 check_p_g_u("/system.slice/getty####@tty6.service/xxx", -ENXIO
, NULL
);
71 check_p_g_u("/system.slice/system-waldo.slice/foobar.service/sdfdsaf", 0, "foobar.service");
72 check_p_g_u("/system.slice/system-waldo.slice/_cpu.service/sdfdsaf", 0, "cpu.service");
73 check_p_g_u("/user.slice/user-1000.slice/user@1000.service/server.service", 0, "user@1000.service");
74 check_p_g_u("/user.slice/user-1000.slice/user@.service/server.service", -ENXIO
, NULL
);
77 static void check_p_g_u_u(const char *path
, int code
, const char *result
) {
78 _cleanup_free_
char *unit
= NULL
;
81 r
= cg_path_get_user_unit(path
, &unit
);
82 printf("%s: %s → %s %d expected %s %d\n", __func__
, path
, unit
, r
, result
, code
);
84 assert_se(streq_ptr(unit
, result
));
87 static void test_path_get_user_unit(void) {
88 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "foobar.service");
89 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo.slice/foobar.service", 0, "foobar.service");
90 check_p_g_u_u("/user.slice/user-1002.slice/session-2.scope/foobar.service/waldo", 0, "foobar.service");
91 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service/waldo/uuuux", 0, "foobar.service");
92 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo/waldo/uuuux", -ENXIO
, NULL
);
93 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
94 check_p_g_u_u("/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
95 check_p_g_u_u("/xyz.slice/xyz-waldo.slice/session-77.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
96 check_p_g_u_u("/meh.service", -ENXIO
, NULL
);
97 check_p_g_u_u("/session-3.scope/_cpu.service", 0, "cpu.service");
98 check_p_g_u_u("/user.slice/user-1000.slice/user@1000.service/server.service", 0, "server.service");
99 check_p_g_u_u("/user.slice/user-1000.slice/user@1000.service/foobar.slice/foobar@pie.service", 0, "foobar@pie.service");
100 check_p_g_u_u("/user.slice/user-1000.slice/user@.service/server.service", -ENXIO
, NULL
);
103 static void check_p_g_s(const char *path
, int code
, const char *result
) {
104 _cleanup_free_
char *s
= NULL
;
106 assert_se(cg_path_get_session(path
, &s
) == code
);
107 assert_se(streq_ptr(s
, result
));
110 static void test_path_get_session(void) {
111 check_p_g_s("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "2");
112 check_p_g_s("/session-3.scope", 0, "3");
113 check_p_g_s("/session-.scope", -ENXIO
, NULL
);
114 check_p_g_s("", -ENXIO
, NULL
);
117 static void check_p_g_o_u(const char *path
, int code
, uid_t result
) {
120 assert_se(cg_path_get_owner_uid(path
, &uid
) == code
);
121 assert_se(uid
== result
);
124 static void test_path_get_owner_uid(void) {
125 check_p_g_o_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, 1000);
126 check_p_g_o_u("/user.slice/user-1006.slice", 0, 1006);
127 check_p_g_o_u("", -ENXIO
, 0);
130 static void check_p_g_slice(const char *path
, int code
, const char *result
) {
131 _cleanup_free_
char *s
= NULL
;
133 assert_se(cg_path_get_slice(path
, &s
) == code
);
134 assert_se(streq_ptr(s
, result
));
137 static void test_path_get_slice(void) {
138 check_p_g_slice("/user.slice", 0, "user.slice");
139 check_p_g_slice("/foobar", 0, "-.slice");
140 check_p_g_slice("/user.slice/user-waldo.slice", 0, "user-waldo.slice");
141 check_p_g_slice("", 0, "-.slice");
142 check_p_g_slice("foobar", 0, "-.slice");
143 check_p_g_slice("foobar.slice", 0, "foobar.slice");
144 check_p_g_slice("foo.slice/foo-bar.slice/waldo.service", 0, "foo-bar.slice");
147 static void check_p_g_u_slice(const char *path
, int code
, const char *result
) {
148 _cleanup_free_
char *s
= NULL
;
150 assert_se(cg_path_get_user_slice(path
, &s
) == code
);
151 assert_se(streq_ptr(s
, result
));
154 static void test_path_get_user_slice(void) {
155 check_p_g_u_slice("/user.slice", -ENXIO
, NULL
);
156 check_p_g_u_slice("/foobar", -ENXIO
, NULL
);
157 check_p_g_u_slice("/user.slice/user-waldo.slice", -ENXIO
, NULL
);
158 check_p_g_u_slice("", -ENXIO
, NULL
);
159 check_p_g_u_slice("foobar", -ENXIO
, NULL
);
160 check_p_g_u_slice("foobar.slice", -ENXIO
, NULL
);
161 check_p_g_u_slice("foo.slice/foo-bar.slice/waldo.service", -ENXIO
, NULL
);
163 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service", 0, "-.slice");
164 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service/", 0, "-.slice");
165 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service///", 0, "-.slice");
166 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service/waldo.service", 0, "-.slice");
167 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service/piep.slice/foo.service", 0, "piep.slice");
168 check_p_g_u_slice("/foo.slice//foo-bar.slice/user@1000.service/piep.slice//piep-pap.slice//foo.service", 0, "piep-pap.slice");
171 static void test_get_paths(void) {
172 _cleanup_free_
char *a
= NULL
;
174 assert_se(cg_get_root_path(&a
) >= 0);
175 log_info("Root = %s", a
);
178 static void test_proc(void) {
179 _cleanup_closedir_
DIR *d
= NULL
;
183 d
= opendir("/proc");
186 FOREACH_DIRENT(de
, d
, break) {
187 _cleanup_free_
char *path
= NULL
, *path_shifted
= NULL
, *session
= NULL
, *unit
= NULL
, *user_unit
= NULL
, *machine
= NULL
, *slice
= NULL
;
189 uid_t uid
= UID_INVALID
;
191 if (de
->d_type
!= DT_DIR
&&
192 de
->d_type
!= DT_UNKNOWN
)
195 r
= parse_pid(de
->d_name
, &pid
);
199 if (is_kernel_thread(pid
))
202 cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER
, pid
, &path
);
203 cg_pid_get_path_shifted(pid
, NULL
, &path_shifted
);
204 cg_pid_get_owner_uid(pid
, &uid
);
205 cg_pid_get_session(pid
, &session
);
206 cg_pid_get_unit(pid
, &unit
);
207 cg_pid_get_user_unit(pid
, &user_unit
);
208 cg_pid_get_machine_name(pid
, &machine
);
209 cg_pid_get_slice(pid
, &slice
);
211 printf(PID_FMT
"\t%s\t%s\t"UID_FMT
"\t%s\t%s\t%s\t%s\t%s\n",
224 static void test_escape_one(const char *s
, const char *r
) {
225 _cleanup_free_
char *b
;
229 assert_se(streq(b
, r
));
231 assert_se(streq(cg_unescape(b
), s
));
234 static void test_escape(void) {
235 test_escape_one("foobar", "foobar");
236 test_escape_one(".foobar", "_.foobar");
237 test_escape_one("foobar.service", "foobar.service");
238 test_escape_one("cgroup.service", "_cgroup.service");
239 test_escape_one("tasks", "_tasks");
240 if (access("/sys/fs/cgroup/cpu", F_OK
) == 0)
241 test_escape_one("cpu.service", "_cpu.service");
242 test_escape_one("_foobar", "__foobar");
243 test_escape_one("", "_");
244 test_escape_one("_", "__");
245 test_escape_one(".", "_.");
248 static void test_controller_is_valid(void) {
249 assert_se(cg_controller_is_valid("foobar"));
250 assert_se(cg_controller_is_valid("foo_bar"));
251 assert_se(cg_controller_is_valid("name=foo"));
252 assert_se(!cg_controller_is_valid(""));
253 assert_se(!cg_controller_is_valid("name="));
254 assert_se(!cg_controller_is_valid("="));
255 assert_se(!cg_controller_is_valid("cpu,cpuacct"));
256 assert_se(!cg_controller_is_valid("_"));
257 assert_se(!cg_controller_is_valid("_foobar"));
258 assert_se(!cg_controller_is_valid("tatü"));
261 static void test_slice_to_path_one(const char *unit
, const char *path
, int error
) {
262 _cleanup_free_
char *ret
= NULL
;
264 assert_se(cg_slice_to_path(unit
, &ret
) == error
);
265 assert_se(streq_ptr(ret
, path
));
268 static void test_slice_to_path(void) {
270 test_slice_to_path_one("foobar.slice", "foobar.slice", 0);
271 test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0);
272 test_slice_to_path_one("foobar-waldo.service", NULL
, -EINVAL
);
273 test_slice_to_path_one("-.slice", "", 0);
274 test_slice_to_path_one("--.slice", NULL
, -EINVAL
);
275 test_slice_to_path_one("-", NULL
, -EINVAL
);
276 test_slice_to_path_one("-foo-.slice", NULL
, -EINVAL
);
277 test_slice_to_path_one("-foo.slice", NULL
, -EINVAL
);
278 test_slice_to_path_one("foo-.slice", NULL
, -EINVAL
);
279 test_slice_to_path_one("foo--bar.slice", NULL
, -EINVAL
);
280 test_slice_to_path_one("foo.slice/foo--bar.slice", NULL
, -EINVAL
);
281 test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0);
282 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);
285 static void test_shift_path_one(const char *raw
, const char *root
, const char *shifted
) {
286 const char *s
= NULL
;
288 assert_se(cg_shift_path(raw
, root
, &s
) >= 0);
289 assert_se(streq(s
, shifted
));
292 static void test_shift_path(void) {
294 test_shift_path_one("/foobar/waldo", "/", "/foobar/waldo");
295 test_shift_path_one("/foobar/waldo", "", "/foobar/waldo");
296 test_shift_path_one("/foobar/waldo", "/foobar", "/waldo");
297 test_shift_path_one("/foobar/waldo", "/fuckfuck", "/foobar/waldo");
300 static void test_mask_supported(void) {
305 assert_se(cg_mask_supported(&m
) >= 0);
307 for (c
= 0; c
< _CGROUP_CONTROLLER_MAX
; c
++)
308 printf("'%s' is supported: %s\n", cgroup_controller_to_string(c
), yes_no(m
& CGROUP_CONTROLLER_TO_MASK(c
)));
312 test_path_decode_unit();
313 test_path_get_unit();
314 test_path_get_user_unit();
315 test_path_get_session();
316 test_path_get_owner_uid();
317 test_path_get_slice();
318 test_path_get_user_slice();
319 TEST_REQ_RUNNING_SYSTEMD(test_get_paths());
321 TEST_REQ_RUNNING_SYSTEMD(test_escape());
322 test_controller_is_valid();
323 test_slice_to_path();
325 TEST_REQ_RUNNING_SYSTEMD(test_mask_supported());