1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Lennart Poettering
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/>.
26 #include "alloc-util.h"
28 #include "bus-kernel.h"
29 #include "bus-message.h"
31 #include "memfd-util.h"
32 #include "string-util.h"
36 #define FIRST_ARRAY 17
37 #define SECOND_ARRAY 33
39 #define STRING_SIZE 123
41 int main(int argc
, char *argv
[]) {
42 _cleanup_free_
char *name
= NULL
, *bus_name
= NULL
, *address
= NULL
;
53 _cleanup_close_
int sfd
= -1;
55 log_set_max_level(LOG_DEBUG
);
57 assert_se(asprintf(&name
, "deine-mutter-%u", (unsigned) getpid()) >= 0);
59 bus_ref
= bus_kernel_create_bus(name
, false, &bus_name
);
60 if (bus_ref
== -ENOENT
)
61 return EXIT_TEST_SKIP
;
63 assert_se(bus_ref
>= 0);
65 address
= strappend("kernel:path=", bus_name
);
74 r
= sd_bus_set_address(a
, address
);
77 r
= sd_bus_set_address(b
, address
);
86 r
= sd_bus_get_unique_name(a
, &unique
);
89 r
= sd_bus_message_new_method_call(b
, &m
, unique
, "/a/path", "an.inter.face", "AMethod");
92 r
= sd_bus_message_open_container(m
, 'r', "aysay");
95 r
= sd_bus_message_append_array_space(m
, 'y', FIRST_ARRAY
, (void**) &p
);
99 memset(p
+1, 'L', FIRST_ARRAY
-2);
100 p
[FIRST_ARRAY
-1] = '>';
102 f
= memfd_new_and_map(NULL
, STRING_SIZE
, (void**) &s
);
106 for (i
= 1; i
< STRING_SIZE
-2; i
++)
107 s
[i
] = '0' + (i
% 10);
108 s
[STRING_SIZE
-2] = '>';
109 s
[STRING_SIZE
-1] = 0;
110 munmap(s
, STRING_SIZE
);
112 r
= memfd_get_size(f
, &sz
);
114 assert_se(sz
== STRING_SIZE
);
116 r
= sd_bus_message_append_string_memfd(m
, f
, 0, (uint64_t) -1);
121 f
= memfd_new_and_map(NULL
, SECOND_ARRAY
, (void**) &p
);
125 memset(p
+1, 'P', SECOND_ARRAY
-2);
126 p
[SECOND_ARRAY
-1] = '>';
127 munmap(p
, SECOND_ARRAY
);
129 r
= memfd_get_size(f
, &sz
);
131 assert_se(sz
== SECOND_ARRAY
);
133 r
= sd_bus_message_append_array_memfd(m
, 'y', f
, 0, (uint64_t) -1);
138 r
= sd_bus_message_close_container(m
);
141 r
= sd_bus_message_append(m
, "u", 4711);
144 assert_se((sfd
= memfd_new_and_map(NULL
, 6, (void**) &p
)) >= 0);
145 memcpy(p
, "abcd\0", 6);
147 assert_se(sd_bus_message_append_string_memfd(m
, sfd
, 1, 4) >= 0);
149 r
= bus_message_seal(m
, 55, 99*USEC_PER_SEC
);
152 bus_message_dump(m
, stdout
, BUS_MESSAGE_DUMP_WITH_HEADER
);
154 r
= sd_bus_send(b
, m
, NULL
);
157 sd_bus_message_unref(m
);
159 r
= sd_bus_process(a
, &m
);
162 bus_message_dump(m
, stdout
, BUS_MESSAGE_DUMP_WITH_HEADER
);
163 sd_bus_message_rewind(m
, true);
165 r
= sd_bus_message_enter_container(m
, 'r', "aysay");
168 r
= sd_bus_message_read_array(m
, 'y', (const void**) &p
, &l
);
170 assert_se(l
== FIRST_ARRAY
);
172 assert_se(p
[0] == '<');
173 for (i
= 1; i
< l
-1; i
++)
174 assert_se(p
[i
] == 'L');
175 assert_se(p
[l
-1] == '>');
177 r
= sd_bus_message_read(m
, "s", &s
);
180 assert_se(s
[0] == '<');
181 for (i
= 1; i
< STRING_SIZE
-2; i
++)
182 assert_se(s
[i
] == (char) ('0' + (i
% 10)));
183 assert_se(s
[STRING_SIZE
-2] == '>');
184 assert_se(s
[STRING_SIZE
-1] == 0);
186 r
= sd_bus_message_read_array(m
, 'y', (const void**) &p
, &l
);
188 assert_se(l
== SECOND_ARRAY
);
190 assert_se(p
[0] == '<');
191 for (i
= 1; i
< l
-1; i
++)
192 assert_se(p
[i
] == 'P');
193 assert_se(p
[l
-1] == '>');
195 r
= sd_bus_message_exit_container(m
);
198 r
= sd_bus_message_read(m
, "u", &u32
);
200 assert_se(u32
== 4711);
202 r
= sd_bus_message_read(m
, "s", &s
);
204 assert_se(streq_ptr(s
, "bcd"));
206 sd_bus_message_unref(m
);