mirror of
https://github.com/RIOT-OS/RIOT.git
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123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/*
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* Copyright (C) 2019 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup pkg_wakaama
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* @defgroup lwm2m_client LwM2M Client using Wakaama
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* @brief Wakaama adaption to RIOT for implementing a LwM2M client
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* @{
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* @file
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* @brief Definitions and public API for a LwM2M client using Wakaama
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*
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* @author Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>
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*/
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#ifndef LWM2M_CLIENT_H
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#define LWM2M_CLIENT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include "periph/pm.h"
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#include "net/sock/udp.h"
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#include "lwm2m_client_config.h"
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#include "liblwm2m.h"
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/**
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* @brief Connection to server descriptor
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*/
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typedef struct lwm2m_client_connection {
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struct lwm2m_client_connection *next; /**< pointer to the next connection */
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sock_udp_ep_t remote; /**< remote endpoint */
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time_t last_send; /**< last sent packet to the server */
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} lwm2m_client_connection_t;
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/**
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* @brief LwM2M client descriptor
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*/
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typedef struct {
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kernel_pid_t pid; /**< PID of the client thread */
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sock_udp_t sock; /**< UDP server sock */
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sock_udp_ep_t local_ep; /**< Local endpoint */
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lwm2m_context_t *lwm2m_ctx; /**< LwM2M context */
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lwm2m_client_connection_t *conn_list; /**< LwM2M connections list */
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} lwm2m_client_data_t;
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/**
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* @brief Size of the buffer for the UDP packet reception
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*/
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#define LWM2M_CLIENT_RCV_BUFFER_SIZE (200)
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/**
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* @brief Time in seconds to wait until reboot after a server
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* request
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*/
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#define LWM2M_CLIENT_REBOOT_TIME (5)
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/**
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* @brief Time in seconds to wait until LwM2M is refreshed.
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*
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* @note This time is used as the timeout for receiving UDP packets and will be
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* the maximum time to wait between calls to wakaama core.
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*/
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#define LWM2M_CLIENT_MIN_REFRESH_TIME (1)
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/**
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* @brief Starts a LwM2M client
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*
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* @param[in, out] client_data Pointer to a LwM2M client data descriptor
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* @param[in] obj_list List of LwM2M objects to be registered
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* @param[in] obj_numof Number of objects in @p obj_list
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*
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* @return Context of the LwM2M client
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*/
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lwm2m_context_t *lwm2m_client_run(lwm2m_client_data_t *client_data,
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lwm2m_object_t *obj_list[],
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uint16_t obj_numof);
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/**
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* @brief Initializes a LwM2M client
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*
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* @note This functions initializes the memory allocation and is needed before
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* calling any object creation (i.e. any call to lwm2m_malloc).
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*
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* @param[in] client_data Pointer to a LwM2M client data descriptor
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*/
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void lwm2m_client_init(lwm2m_client_data_t *client_data);
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/**
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* @brief Returns the LwM2M context of a LwM2M client
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*
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* @param[in] client_data pointer to the LwM2M client descriptor
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*
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* @return Pointer to the LwM2M context
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*/
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static inline lwm2m_context_t *lwm2m_client_get_ctx(
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lwm2m_client_data_t *client_data)
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{
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return client_data->lwm2m_ctx;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWM2M_CLIENT_H */
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/** @} */
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