src/libsystemd/sd-bus/test-bus-introspect.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2013 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include "bus-introspect.h"
  21 #include "log.h"
  22
  23 static int prop_get(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) {
  24         return -EINVAL;
  25 }
  26
  27 static int prop_set(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) {
  28         return -EINVAL;
  29 }
  30
  31 static const sd_bus_vtable vtable[] = {
  32         SD_BUS_VTABLE_START(0),
  33         SD_BUS_METHOD("Hello", "ssas", "a(uu)", NULL, 0),
  34         SD_BUS_METHOD("DeprecatedHello", "", "", NULL, SD_BUS_VTABLE_DEPRECATED),
  35         SD_BUS_METHOD("DeprecatedHelloNoReply", "", "", NULL, SD_BUS_VTABLE_DEPRECATED|SD_BUS_VTABLE_METHOD_NO_REPLY),
  36         SD_BUS_SIGNAL("Wowza", "sss", 0),
  37         SD_BUS_SIGNAL("DeprecatedWowza", "ut", SD_BUS_VTABLE_DEPRECATED),
  38         SD_BUS_WRITABLE_PROPERTY("AProperty", "s", prop_get, prop_set, 0, 0),
  39         SD_BUS_PROPERTY("AReadOnlyDeprecatedProperty", "(ut)", prop_get, 0, SD_BUS_VTABLE_DEPRECATED),
  40         SD_BUS_PROPERTY("ChangingProperty", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  41         SD_BUS_PROPERTY("Invalidating", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
  42         SD_BUS_PROPERTY("Constant", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_PROPERTY_EXPLICIT),
  43         SD_BUS_VTABLE_END
  44 };
  45
  46 int main(int argc, char *argv[]) {
  47         struct introspect intro;
  48
  49         log_set_max_level(LOG_DEBUG);
  50
  51         assert_se(introspect_begin(&intro, false) >= 0);
  52
  53         fprintf(intro.f, " <interface name=\"org.foo\">\n");
  54         assert_se(introspect_write_interface(&intro, vtable) >= 0);
  55         fputs(" </interface>\n", intro.f);
  56
  57         fflush(intro.f);
  58         fputs(intro.introspection, stdout);
  59
  60         introspect_free(&intro);
  61
  62         return 0;
  63 }