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int
my_emit_signal (DBusConnection * connection,
const char * origin_path,
const MySignalStructure *structure)
{
DBusMessage * signal;
DBusMessageIter iter;
DBusMessageIter structure_iter;
const char * structure_item0;
uint32_t structure_item1;
nih_assert (connection != NULL);
nih_assert (origin_path != NULL);
nih_assert (structure != NULL);
/* Construct the message. */
signal = dbus_message_new_signal (origin_path, "com.netsplit.Nih.Test", "Signal");
if (! signal)
return -1;
dbus_message_iter_init_append (signal, &iter);
/* Marshal a structure onto the message */
if (! dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL, &structure_iter)) {
dbus_message_unref (signal);
return -1;
}
structure_item0 = structure->item0;
/* Marshal a char * onto the message */
if (! dbus_message_iter_append_basic (&structure_iter, DBUS_TYPE_STRING, &structure_item0)) {
dbus_message_iter_abandon_container (&iter, &structure_iter);
dbus_message_unref (signal);
return -1;
}
structure_item1 = structure->item1;
/* Marshal a uint32_t onto the message */
if (! dbus_message_iter_append_basic (&structure_iter, DBUS_TYPE_UINT32, &structure_item1)) {
dbus_message_iter_abandon_container (&iter, &structure_iter);
dbus_message_unref (signal);
return -1;
}
if (! dbus_message_iter_close_container (&iter, &structure_iter)) {
dbus_message_unref (signal);
return -1;
}
/* Send the signal, appending it to the outgoing queue. */
if (! dbus_connection_send (connection, signal, NULL)) {
dbus_message_unref (signal);
return -1;
}
dbus_message_unref (signal);
return 0;
}
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