Contiki-NG
rpl-dag-root.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2012-2014, Thingsquare, http://www.thingsquare.com/.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holder nor the names of its
14  * contributors may be used to endorse or promote products derived
15  * from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28  * OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  */
31 
32 #ifndef RPL_DAG_ROOT_H_
33 #define RPL_DAG_ROOT_H_
34 
35 /**
36 * \addtogroup rpl-lite
37 * @{
38 *
39 * \file
40 * DAG root utility functions for RPL.
41 */
42 
43 /********** Public functions **********/
44 
45 /**
46  * Set a prefix in case the node is later set as dag root.
47  *
48  * \param prefix The prefix. If NULL, uip_ds6_default_prefix() is used instead
49  * \param iid The IID. If NULL, it will be built from uip_ds6_set_addr_iid.
50 */
51 void rpl_dag_root_set_prefix(uip_ipaddr_t *prefix, uip_ipaddr_t *iid);
52 
53 /**
54  * Set the node as root and start a DAG
55  *
56  * \return 0 in case of success, -1 otherwise
57 */
58 int rpl_dag_root_start(void);
59 
60 /**
61  * Tells whether we are DAG root or not
62  *
63  * \return 1 if we are dag root, 0 otherwise
64 */
65 int rpl_dag_root_is_root(void);
66 /**
67  * Prints a summary of all routing links
68  *
69  * \param str A descriptive text on the caller
70 */
71 void rpl_dag_root_print_links(const char *str);
72 
73  /** @} */
74 
75 #endif /* RPL_DAG_ROOT_H_ */
int rpl_dag_root_start(void)
Set the node as root and start a DAG.
Definition: rpl-dag-root.c:98
void rpl_dag_root_print_links(const char *str)
Prints a summary of all routing links.
Definition: rpl-dag-root.c:54
int rpl_dag_root_is_root(void)
Tells whether we are DAG root or not.
Definition: rpl-dag-root.c:152
void rpl_dag_root_set_prefix(uip_ipaddr_t *prefix, uip_ipaddr_t *iid)
Set a prefix in case the node is later set as dag root.
Definition: rpl-dag-root.c:87