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

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This commit is contained in:
Yu Watanabe 2018-05-13 12:20:51 +09:00
parent c1110f6cd7
commit f744776ff8
1 changed files with 38 additions and 0 deletions
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38
src/shared/bus-util.h
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@ -122,6 +122,44 @@ assert_cc(sizeof(mode_t) == sizeof(uint32_t));
int bus_log_parse_error(int r);
int bus_log_create_error(int r);
#define BUS_DEFINE_PROPERTY_GET_GLOBAL(function, bus_type, val) \
int function(sd_bus *bus, \
const char *path, \
const char *interface, \
const char *property, \
sd_bus_message *reply, \
void *userdata, \
sd_bus_error *error) { \
\
assert(bus); \
assert(reply); \
\
return sd_bus_message_append(reply, bus_type, val); \
}
#define BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, get2) \
int function(sd_bus *bus, \
const char *path, \
const char *interface, \
const char *property, \
sd_bus_message *reply, \
void *userdata, \
sd_bus_error *error) { \
\
data_type *data = userdata; \
\
assert(bus); \
assert(reply); \
assert(data); \
\
return sd_bus_message_append(reply, bus_type, \
get2(get1(data))); \
}
#define ident(x) (x)
#define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \
BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, ident)
#define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
int function(sd_bus *bus, \
const char *path, \