1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#include "bus-util.h"
#include "log.h"
static void test_name_async(unsigned n_messages) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
unsigned i;
log_info("/* %s (%u) */", __func__, n_messages);
r = bus_open_system_watch_bind_with_description(&bus, "test-bus");
if (r < 0) {
log_error_errno(r, "Failed to connect to bus: %m");
return;
}
r = bus_request_name_async_may_reload_dbus(bus, NULL, "org.freedesktop.systemd.test-bus-util", 0, NULL);
if (r < 0) {
log_error_errno(r, "Failed to request name: %m");
return;
}
for (i = 0; i < n_messages; i++) {
r = sd_bus_process(bus, NULL);
log_debug("stage %u: sd_bus_process returned %d", i, r);
if (r < 0) {
log_notice_errno(r, "Processing failed: %m");
return;
}
if (r > 0 && i + 1 < n_messages)
(void) sd_bus_wait(bus, USEC_PER_SEC / 3);
}
}
static int callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
return 1;
}
static void destroy_callback(void *userdata) {
int *n_called = userdata;
(*n_called) ++;
}
static void test_destroy_callback(void) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
sd_bus_slot *slot = NULL;
sd_bus_destroy_t t;
int r, n_called = 0;
log_info("/* %s */", __func__);
r = bus_open_system_watch_bind_with_description(&bus, "test-bus");
if (r < 0) {
log_error_errno(r, "Failed to connect to bus: %m");
return;
}
r = sd_bus_request_name_async(bus, &slot, "org.freedesktop.systemd.test-bus-util", 0, callback, &n_called);
assert(r == 1);
assert_se(sd_bus_slot_get_destroy_callback(slot, NULL) == 0);
assert_se(sd_bus_slot_get_destroy_callback(slot, &t) == 0);
assert_se(sd_bus_slot_set_destroy_callback(slot, destroy_callback) == 0);
assert_se(sd_bus_slot_get_destroy_callback(slot, NULL) == 1);
assert_se(sd_bus_slot_get_destroy_callback(slot, &t) == 1);
assert_se(t == destroy_callback);
/* Force cleanup so we can look at n_called */
assert(n_called == 0);
sd_bus_slot_unref(slot);
assert(n_called == 1);
}
int main(int argc, char **argv) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
test_name_async(0);
test_name_async(20);
test_destroy_callback();
return 0;
}
|
