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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2011 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU Lesser General Public License Version 2.1
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <dbus/dbus.h>
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void
helper_dict_add_property (DBusMessageIter *dict,
const char *key,
const char *value)
{
DBusMessageIter entry;
dbus_message_iter_open_container(dict,
DBUS_TYPE_DICT_ENTRY,
NULL,
&entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &value);
dbus_message_iter_close_container(dict, &entry);
}
int
main (int argc, char **argv)
{
const char *device_id;
const char *device_path_tmp;
const gchar *scope = "temp";
DBusConnection *con;
DBusError error;
DBusMessageIter args;
DBusMessageIter dict;
DBusMessage *message = NULL;
DBusMessage *reply = NULL;
GMainLoop *loop;
/* connect to system bus */
con = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
if (con == NULL) {
printf("failed to connect to system bus\n");
goto out;
}
/* this is unique to the device */
device_id = "hello-dave";
message = dbus_message_new_method_call("org.freedesktop.ColorManager",
"/org/freedesktop/ColorManager",
"org.freedesktop.ColorManager",
"CreateDevice");
dbus_message_iter_init_append(message, &args);
dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &device_id);
dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &scope);
/* set initial properties */
dbus_message_iter_open_container(&args,
DBUS_TYPE_ARRAY,
"{ss}",
&dict);
helper_dict_add_property(&dict, "Colorspace", "RGB");
helper_dict_add_property(&dict, "Kind", "scanner");
dbus_message_iter_close_container(&args, &dict);
/* send syncronous */
dbus_error_init(&error);
printf("Calling CreateDevice(%s,%s)\n",
device_id, scope);
reply = dbus_connection_send_with_reply_and_block(con,
message,
-1,
&error);
if (reply == NULL) {
printf("failed to send: %s:%s\n",
error.name, error.message);
dbus_error_free(&error);
goto out;
}
/* get reply data */
dbus_message_iter_init(reply, &args);
if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_OBJECT_PATH) {
printf("incorrect reply type\n");
goto out;
}
dbus_message_iter_get_basic(&args, &device_path_tmp);
printf("created device %s\n", device_path_tmp);
/* just spin in a main loop */
loop = g_main_loop_new(NULL, TRUE);
g_main_loop_run(loop);
g_main_loop_unref(loop);
out:
if (con != NULL)
dbus_connection_unref(con);
if (message != NULL)
dbus_message_unref(message);
if (reply != NULL)
dbus_message_unref(reply);
return 0;
}