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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "bus-get-properties.h"
#include "rlimit-util.h"
#include "stdio-util.h"
#include "string-util.h"
int bus_property_get_bool(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
int b = *(bool*) userdata;
return sd_bus_message_append_basic(reply, 'b', &b);
}
int bus_property_set_bool(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *value,
void *userdata,
sd_bus_error *error) {
int b, r;
r = sd_bus_message_read(value, "b", &b);
if (r < 0)
return r;
*(bool*) userdata = b;
return 0;
}
int bus_property_get_id128(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
sd_id128_t *id = userdata;
if (sd_id128_is_null(*id)) /* Add an empty array if the ID is zero */
return sd_bus_message_append(reply, "ay", 0);
else
return sd_bus_message_append_array(reply, 'y', id->bytes, 16);
}
#if __SIZEOF_SIZE_T__ != 8
int bus_property_get_size(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
uint64_t sz = *(size_t*) userdata;
return sd_bus_message_append_basic(reply, 't', &sz);
}
#endif
#if __SIZEOF_LONG__ != 8
int bus_property_get_long(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
int64_t l = *(long*) userdata;
return sd_bus_message_append_basic(reply, 'x', &l);
}
int bus_property_get_ulong(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
uint64_t ul = *(unsigned long*) userdata;
return sd_bus_message_append_basic(reply, 't', &ul);
}
#endif
int bus_property_get_rlimit(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
const char *is_soft;
struct rlimit *rl;
uint64_t u;
rlim_t x;
assert(bus);
assert(reply);
assert(userdata);
is_soft = endswith(property, "Soft");
rl = *(struct rlimit**) userdata;
if (rl)
x = is_soft ? rl->rlim_cur : rl->rlim_max;
else {
struct rlimit buf = {};
const char *s, *p;
int z;
/* Chop off "Soft" suffix */
s = is_soft ? strndupa(property, is_soft - property) : property;
/* Skip over any prefix, such as "Default" */
assert_se(p = strstr(s, "Limit"));
z = rlimit_from_string(p + 5);
assert(z >= 0);
(void) getrlimit(z, &buf);
x = is_soft ? buf.rlim_cur : buf.rlim_max;
}
/* rlim_t might have different sizes, let's map RLIMIT_INFINITY to UINT64_MAX, so that it is the same on all
* archs */
u = x == RLIM_INFINITY ? UINT64_MAX : (uint64_t) x;
return sd_bus_message_append(reply, "t", u);
}
|
