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bus-util: add more macros for defining functions of getting dbus properties

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This commit is contained in:
Yu Watanabe
2018-05-15 23:07:02 +09:00
parent 5ed29cab4a
commit c321885489
1 changed files with 6 additions and 25 deletions
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src/shared/bus-util.h
+6 -25
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@@ -157,34 +157,15 @@ int bus_log_create_error(int r);
}
#define ident(x) (x)
#define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \
#define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \
BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, ident)
#define ref(x) (*(x))
#define BUS_DEFINE_PROPERTY_GET_REF(function, bus_type, data_type, get) \
BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, ref, get)
#define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
int function(sd_bus *bus, \
const char *path, \
const char *interface, \
const char *property, \
sd_bus_message *reply, \
void *userdata, \
sd_bus_error *error) { \
\
const char *value; \
type *field = userdata; \
int r; \
\
assert(bus); \
assert(reply); \
assert(field); \
\
value = strempty(name##_to_string(*field)); \
\
r = sd_bus_message_append_basic(reply, 's', value); \
if (r < 0) \
return r; \
\
return 1; \
}
BUS_DEFINE_PROPERTY_GET_REF(function, "s", type, name##_to_string)
#define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \