bus: make PropertiesChanged emission work

diff --git a/src/libsystemd-bus/sd-bus.c b/src/libsystemd-bus/sd-bus.c
index 542b5e8c49e6d0c5b6ec8f8992f7d6b7641be112..11194af007609651fa0ffac1ba5614cd1051f305 100644 (file)
--- a/src/libsystemd-bus/sd-bus.c
+++ b/src/libsystemd-bus/sd-bus.c
@@ -3994,18 +3994,16 @@ static int emit_properties_changed_on_interface(
 
                 if (streq(c->interface, interface))
                         break;
 
                 if (streq(c->interface, interface))
                         break;

-
-                r = node_vtable_get_userdata(bus, path, c, &u);
-                if (r < 0)
-                        return r;
-                if (r > 0)
-                        break;

         }
 
         if (!c)
                 return 0;
 
         }
 
         if (!c)
                 return 0;
 

-        r = sd_bus_message_new_signal(bus, path, "org.freedesktop.DBus", "PropertiesChanged", &m);
+        r = node_vtable_get_userdata(bus, path, c, &u);
+        if (r <= 0)
+                return r;
+
+        r = sd_bus_message_new_signal(bus, path, "org.freedesktop.DBus.Properties", "PropertiesChanged", &m);

         if (r < 0)
                 return r;
 
         if (r < 0)
                 return r;
 


@@ -4042,7 +4040,7 @@ static int emit_properties_changed_on_interface(
                 if (r < 0)
                         return r;
 
                 if (r < 0)
                         return r;
 

-                r = sd_bus_message_append(m, "s", *n);
+                r = sd_bus_message_append(m, "s", *property);

                 if (r < 0)
                         return r;
 
                 if (r < 0)
                         return r;
 

diff --git a/src/libsystemd-bus/test-bus-objects.c b/src/libsystemd-bus/test-bus-objects.c
index f3571cb3c42635f1dff21c58a45d67a22b3f8513..b4facda04b02beaf3640e1b3e93f24b6b6cb0ba9 100644 (file)
--- a/src/libsystemd-bus/test-bus-objects.c
+++ b/src/libsystemd-bus/test-bus-objects.c
@@ -35,8 +35,6 @@
 #include "bus-message.h"
 
 /* Test:
 #include "bus-message.h"
 
 /* Test:

- *
- *   sd_bus_emit_properties_changed()

  *
  *   Add in:
  *
  *
  *   Add in:
  *


@@ -134,6 +132,16 @@ static int value_handler(sd_bus *bus, const char *path, const char *interface, c
 
         assert_se(PTR_TO_UINT(userdata) == 30);
 
 
         assert_se(PTR_TO_UINT(userdata) == 30);
 

+        return 1;
+}
+
+static int notify_test(sd_bus *bus, sd_bus_message *m, void *userdata) {
+        int r;
+
+        assert_se(sd_bus_emit_properties_changed(bus, m->path, "org.freedesktop.systemd.ValueTest", "Value", NULL) >= 0);
+
+        r = sd_bus_reply_method_return(bus, m, NULL);
+        assert_se(r >= 0);

 
         return 1;
 }
 
         return 1;
 }


@@ -148,7 +156,8 @@ static const sd_bus_vtable vtable[] = {
 
 static const sd_bus_vtable vtable2[] = {
         SD_BUS_VTABLE_START(0),
 
 static const sd_bus_vtable vtable2[] = {
         SD_BUS_VTABLE_START(0),

-        SD_BUS_PROPERTY("Value", "s", value_handler, 10, 0),
+        SD_BUS_METHOD("NotifyTest", "", "", 0, notify_test),
+        SD_BUS_PROPERTY("Value", "s", value_handler, 10, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),

         SD_BUS_VTABLE_END
 };
 
         SD_BUS_VTABLE_END
 };
 


@@ -347,6 +356,18 @@ static int client(struct context *c) {
         sd_bus_message_unref(reply);
         reply = NULL;
 
         sd_bus_message_unref(reply);
         reply = NULL;
 

+        r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.systemd.ValueTest", "NotifyTest", &error, NULL, "");
+        assert_se(r >= 0);
+
+        r = sd_bus_process(bus, &reply);
+        assert_se(r > 0);
+
+        assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.Properties", "PropertiesChanged"));
+        bus_message_dump(reply);
+
+        sd_bus_message_unref(reply);
+        reply = NULL;
+

         r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Exit", &error, NULL, "");
         assert_se(r >= 0);
 
         r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Exit", &error, NULL, "");
         assert_se(r >= 0);