Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

121 lines (110 sloc) 3.565 kb
/* -*- 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;
}
Jump to Line
Something went wrong with that request. Please try again.