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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2018-05-13 12:20:51 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2018-05-13 12:20:51 +0900 |
| commit | f744776ff805ee1f1b5a95e08c6eb3fae98e8884 (patch) | |
| tree | b1da2922834582d410e8b2229488ac69b8167de3 | |
| parent | c1110f6cd7209f34b6b3bb62b3c57cdca59b406c (diff) | |
| download | systemd-f744776ff805ee1f1b5a95e08c6eb3fae98e8884.tar.gz | |
bus-util: add several macros for defining functions of getting dbus properties
| -rw-r--r-- | src/shared/bus-util.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h index d03d0f82d9..74526c5e8b 100644 --- a/src/shared/bus-util.h +++ b/src/shared/bus-util.h @@ -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, \ |