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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/shared/bus-get-properties.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/shared/bus-get-properties.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/shared/bus-get-properties.c b/src/shared/bus-get-properties.c new file mode 100644 index 0000000..0a16c72 --- /dev/null +++ b/src/shared/bus-get-properties.c @@ -0,0 +1,150 @@ +/* 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_safe(property, is_soft - property) : property; + + /* Skip over any prefix, such as "Default" */ + assert_se(p = strstrafter(s, "Limit")); + + z = rlimit_from_string(p); + 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); +} |