Contiki-NG
lwm2m-rd-client.h
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1 /*
2  * Copyright (c) 2016-2018, SICS Swedish ICT AB.
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 HOLDER 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  * \addtogroup lwm2m
33  * @{
34  */
35 
36 /**
37  * \file
38  * Header file for the Contiki OMA LWM2M Registration and Bootstrap
39  * Client.
40  * \author
41  * Joakim Eriksson <joakime@sics.se>
42  * Niclas Finne <nfi@sics.se>
43  * Carlos Gonzalo Peces <carlosgp143@gmail.com>
44  */
45 
46 #ifndef LWM2M_RD_CLIENT_H_
47 #define LWM2M_RD_CLIENT_H_
48 
49 /* The type of server to use for registration: bootstrap or LWM2M */
50 typedef enum {
51  LWM2M_RD_CLIENT_BOOTSTRAP_SERVER,
52  LWM2M_RD_CLIENT_LWM2M_SERVER
53 } lwm2m_rd_client_server_type_t;
54 
55 /* Session callback states */
56 #define LWM2M_RD_CLIENT_BOOTSTRAPPED 1
57 #define LWM2M_RD_CLIENT_REGISTERED 2
58 #define LWM2M_RD_CLIENT_DEREGISTERED 3
59 #define LWM2M_RD_CLIENT_DEREGISTER_FAILED 4
60 #define LWM2M_RD_CLIENT_DISCONNECTED 5
61 
62 #define LWM2M_PROTOCOL_VERSION "1.0"
63 
64 #include "lwm2m-object.h"
65 #include "lwm2m-queue-mode-conf.h"
66 #include "coap-endpoint.h"
67 #include "coap-callback-api.h"
68 
69 struct lwm2m_session_info;
70 typedef void (*session_callback_t)(struct lwm2m_session_info *session, int status);
71 
72 #ifndef LWM2M_RD_CLIENT_ASSIGNED_ENDPOINT_MAX_LEN
73 #define LWM2M_RD_CLIENT_ASSIGNED_ENDPOINT_MAX_LEN 15
74 #endif /* LWM2M_RD_CLIENT_ASSIGNED_ENDPOINT_MAX_LEN */
75 /*---------------------------------------------------------------------------*/
76 /*- Server session----------------------------*/
77 /*---------------------------------------------------------------------------*/
78 typedef struct lwm2m_session_info {
79 
80  struct lwm2m_session_info *next;
81  /* Information */
82  const char *ep;
83  const char *binding;
84  char assigned_ep[LWM2M_RD_CLIENT_ASSIGNED_ENDPOINT_MAX_LEN];
85  uint16_t lifetime;
86  coap_endpoint_t bs_server_ep;
87  coap_endpoint_t server_ep;
88  lwm2m_rd_client_server_type_t use_server_type;
89  uint8_t has_bs_server_info;
90  uint8_t has_registration_server_info;
91  uint8_t bootstrapped; /* bootstrap done */
92  session_callback_t callback;
93 
94  /* CoAP Request */
95  coap_callback_request_state_t rd_request_state;
96  coap_message_t request[1]; /* This way the message can be treated as pointer as usual. */
97 
98  /* RD parameters */
99  uint8_t rd_state;
100  uint8_t rd_flags;
101  uint64_t wait_until_network_check;
102  uint64_t last_update;
103  uint64_t last_rd_progress;
104 
105  /* Blosk Transfer */
106  uint32_t rd_block1;
107  uint8_t rd_more;
108  void (*rd_callback)(coap_callback_request_state_t *state);
109  coap_timer_t block1_timer;
110 } lwm2m_session_info_t;
111 
112 int lwm2m_rd_client_is_registered(lwm2m_session_info_t *session_info);
113 void lwm2m_rd_client_register_with_server(lwm2m_session_info_t *session_info, const coap_endpoint_t *server, lwm2m_rd_client_server_type_t server_type);
114 uint16_t lwm2m_rd_client_get_lifetime(lwm2m_session_info_t *session_info);
115 void lwm2m_rd_client_set_lifetime(lwm2m_session_info_t *session_info, uint16_t lifetime);
116 void lwm2m_rd_client_set_endpoint_name(lwm2m_session_info_t *session_info, const char *endpoint);
117 void lwm2m_rd_client_set_default_endpoint_name(const char *endpoint);
118 
119 /* Indicate that something in the object list have changed */
120 void lwm2m_rd_client_set_update_rd(void);
121 /* Control if the object list should be automatically updated at updates of lifetime */
122 void lwm2m_rd_client_set_automatic_update(lwm2m_session_info_t *session_info, int update);
123 /* trigger an immediate update */
124 void lwm2m_rd_client_update_triggered(const coap_endpoint_t *server_ep);
125 
126 int lwm2m_rd_client_deregister(lwm2m_session_info_t *session_info);
127 void lwm2m_rd_client_init(const char *ep);
128 
129 void lwm2m_rd_client_set_session_callback(lwm2m_session_info_t *session_info, session_callback_t cb);
130 
131 #if LWM2M_QUEUE_MODE_ENABLED
132 uint8_t lwm2m_rd_client_is_client_awake(void);
133 void lwm2m_rd_client_restart_client_awake_timer(void);
134 void lwm2m_rd_client_fsm_execute_queue_mode_awake();
135 void lwm2m_rd_client_fsm_execute_queue_mode_update();
136 #endif
137 
138 #endif /* LWM2M_RD_CLIENT_H_ */
139 /** @} */
Header file for the LWM2M object API
API to address CoAP endpoints
Callback API for doing CoAP requests Adapted from the blocking API
Queue Mode Configuration Parameters