120 lines
4.3 KiB
C
120 lines
4.3 KiB
C
/*
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* Copyright (c) 2015, Yanzi Networks AB.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup lwm2m
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* @{
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*/
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/**
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* \file
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* Header file for the Contiki OMA LWM2M engine
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* \author
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* Joakim Eriksson <joakime@sics.se>
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* Niclas Finne <nfi@sics.se>
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*/
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#ifndef LWM2M_ENGINE_H
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#define LWM2M_ENGINE_H
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#include "lwm2m-object.h"
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#define LWM2M_FLOAT32_BITS 10
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#define LWM2M_FLOAT32_FRAC (1L << LWM2M_FLOAT32_BITS)
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/* LWM2M / CoAP Content-Formats */
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typedef enum {
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LWM2M_TEXT_PLAIN = 1541,
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LWM2M_TLV = 11542,
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LWM2M_JSON = 11543,
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LWM2M_OLD_TLV = 1542,
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LWM2M_OLD_JSON = 1543,
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LWM2M_OLD_OPAQUE = 1544
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} lwm2m_content_format_t;
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void lwm2m_engine_init(void);
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int lwm2m_engine_set_rd_data(lwm2m_buffer_t *outbuf, int block);
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typedef lwm2m_status_t
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(* lwm2m_object_instance_callback_t)(lwm2m_object_instance_t *object,
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lwm2m_context_t *ctx);
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typedef int
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(* lwm2m_resource_dim_callback_t)(lwm2m_object_instance_t *object,
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uint16_t resource_id);
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#define LWM2M_OBJECT_INSTANCE_NONE 0xffff
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struct lwm2m_object_instance {
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lwm2m_object_instance_t *next;
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uint16_t object_id;
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uint16_t instance_id;
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/* an array of resource IDs for discovery, etc */
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const lwm2m_resource_id_t *resource_ids;
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uint16_t resource_count;
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/* the callback for requests */
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lwm2m_object_instance_callback_t callback;
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lwm2m_resource_dim_callback_t resource_dim_callback;
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};
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typedef struct {
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uint16_t object_id;
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lwm2m_object_instance_t *(* create_instance)(uint16_t instance_id,
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lwm2m_status_t *status);
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int (* delete_instance)(uint16_t instance_id, lwm2m_status_t *status);
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lwm2m_object_instance_t *(* get_first)(lwm2m_status_t *status);
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lwm2m_object_instance_t *(* get_next)(lwm2m_object_instance_t *instance,
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lwm2m_status_t *status);
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lwm2m_object_instance_t *(* get_by_id)(uint16_t instance_id,
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lwm2m_status_t *status);
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} lwm2m_object_impl_t;
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typedef struct lwm2m_object lwm2m_object_t;
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struct lwm2m_object {
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lwm2m_object_t *next;
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const lwm2m_object_impl_t *impl;
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};
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lwm2m_object_instance_t *lwm2m_engine_get_instance_buffer(void);
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int lwm2m_engine_has_instance(uint16_t object_id, uint16_t instance_id);
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int lwm2m_engine_add_object(lwm2m_object_instance_t *object);
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void lwm2m_engine_remove_object(lwm2m_object_instance_t *object);
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int lwm2m_engine_add_generic_object(lwm2m_object_t *object);
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void lwm2m_engine_remove_generic_object(lwm2m_object_t *object);
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void lwm2m_notify_object_observers(lwm2m_object_instance_t *obj,
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uint16_t resource);
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void lwm2m_engine_set_opaque_callback(lwm2m_context_t *ctx, lwm2m_write_opaque_callback cb);
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#endif /* LWM2M_ENGINE_H */
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/** @} */
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