int bus_open_transport(BusTransport transport, const char *host, bool user, sd_bus **bus) {
int r;
assert(transport >= 0);
assert(transport < _BUS_TRANSPORT_MAX);
assert(bus);
assert_return((transport == BUS_TRANSPORT_LOCAL) == !host, -EINVAL);
assert_return(transport == BUS_TRANSPORT_LOCAL || !user, -ENOTSUP);
switch (transport) {
case BUS_TRANSPORT_LOCAL:
if (user)
r = sd_bus_default_user(bus);
else
r = sd_bus_default_system(bus);
break;
case BUS_TRANSPORT_REMOTE:
r = sd_bus_open_system_remote(bus, host);
break;
case BUS_TRANSPORT_CONTAINER:
r = sd_bus_open_system_container(bus, host);
break;
default:
assert_not_reached("Hmm, unknown transport type.");
}
return r;
}
int kirstu_dbus_init(void)
{
int r = sd_bus_default_user(&bus);
if (r < 0) {
fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r));
exit(EXIT_FAILURE);
}
r = sd_bus_add_object_vtable(bus,
&slot,
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications",
vtable,
NULL);
if (r < 0) {
fprintf(stderr, "Failed to issue method call: %s\n", strerror(-r));
exit(EXIT_FAILURE);
}
r = sd_bus_request_name(bus, "org.freedesktop.Notifications", 0);
if (r < 0) {
fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-r));
exit(EXIT_FAILURE);
}
return sd_bus_get_fd(bus);
}
