337 lines
11 KiB
C
337 lines
11 KiB
C
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/*
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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 oma-lwm2m
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* @{
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*
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*/
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/**
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* \file
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* Implementation of the Contiki OMA LWM2M object API
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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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#include "lwm2m-object.h"
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_is_resource_string(const lwm2m_resource_t *resource)
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{
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if(resource == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VALUE ||
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resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE ||
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resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE_ARRAY) {
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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const uint8_t *
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lwm2m_object_get_resource_string(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context)
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{
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if(resource == NULL || context == NULL) {
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return NULL;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VALUE) {
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return resource->value.string.value;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE) {
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return *(resource->value.stringvar.var);
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.stringvararr.count) {
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return resource->value.stringvararr.var +
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resource->value.stringvararr.size * context->object_instance_index;
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}
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return NULL;
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}
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/* Not a string */
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return NULL;
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}
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/*---------------------------------------------------------------------------*/
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uint16_t
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lwm2m_object_get_resource_strlen(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context)
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{
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if(resource == NULL || context == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VALUE) {
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return resource->value.string.len;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE) {
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return *(resource->value.stringvar.len);
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.stringvararr.count) {
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return resource->value.stringvararr.len[context->object_instance_index];
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}
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return 0;
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}
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/* Not a string */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_set_resource_string(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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uint16_t len, const uint8_t *string)
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{
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if(resource == NULL || context == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE) {
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if(len > resource->value.stringvar.size) {
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/* Too large */
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return 0;
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}
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memcpy(resource->value.stringvar.var, string, len);
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*(resource->value.stringvar.len) = len;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_STR_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.stringvararr.count &&
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len <= resource->value.stringvararr.size) {
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memcpy(resource->value.stringvararr.var +
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resource->value.stringvararr.size * context->object_instance_index,
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string, len);
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resource->value.stringvararr.len[context->object_instance_index] = len;
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return 1;
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}
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return 0;
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}
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/* Not a string variable */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_is_resource_int(const lwm2m_resource_t *resource)
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{
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if(resource == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_INT_VALUE ||
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resource->type == LWM2M_RESOURCE_TYPE_INT_VARIABLE ||
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resource->type == LWM2M_RESOURCE_TYPE_INT_VARIABLE_ARRAY) {
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_get_resource_int(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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int32_t *value)
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{
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if(resource == NULL || context == NULL || value == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_INT_VALUE) {
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*value = resource->value.integer.value;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_INT_VARIABLE) {
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*value = *(resource->value.integervar.var);
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_INT_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.integervararr.count) {
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*value = resource->value.integervararr.var[context->object_instance_index];
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return 1;
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}
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return 0;
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}
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/* Not an integer */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_set_resource_int(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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int32_t value)
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{
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if(resource == NULL || context == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_INT_VARIABLE) {
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*(resource->value.integervar.var) = value;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_INT_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.integervararr.count) {
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resource->value.integervararr.var[context->object_instance_index] =
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value;
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return 1;
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}
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return 0;
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}
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/* Not an integer variable */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_is_resource_floatfix(const lwm2m_resource_t *resource)
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{
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if(resource == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VALUE ||
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resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VARIABLE ||
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resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VARIABLE_ARRAY) {
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_get_resource_floatfix(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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int32_t *value)
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{
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if(resource == NULL || context == NULL || value == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VALUE) {
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*value = resource->value.floatfix.value;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VARIABLE) {
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*value = *(resource->value.floatfixvar.var);
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.floatfixvararr.count) {
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*value = resource->value.floatfixvararr.var[context->object_instance_index];
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return 1;
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}
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return 0;
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}
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/* Not an float */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_set_resource_floatfix(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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int32_t value)
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{
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if(resource == NULL || context == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VARIABLE) {
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*(resource->value.floatfixvar.var) = value;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_FLOATFIX_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.floatfixvararr.count) {
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resource->value.floatfixvararr.var[context->object_instance_index] =
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value;
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return 1;
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}
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return 0;
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}
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/* Not an float variable */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_is_resource_boolean(const lwm2m_resource_t *resource)
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{
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if(resource == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VALUE ||
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resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VARIABLE ||
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resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VARIABLE_ARRAY) {
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_get_resource_boolean(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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int *value)
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{
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if(resource == NULL || context == NULL || value == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VALUE) {
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*value = resource->value.boolean.value;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VARIABLE) {
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*value = *(resource->value.booleanvar.var);
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.booleanvararr.count) {
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*value = resource->value.booleanvararr.var[context->object_instance_index];
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return 1;
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}
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return 0;
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}
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/* Not a boolean */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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lwm2m_object_set_resource_boolean(const lwm2m_resource_t *resource,
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const lwm2m_context_t *context,
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int value)
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{
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if(resource == NULL || context == NULL) {
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return 0;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VARIABLE) {
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*(resource->value.booleanvar.var) = value;
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return 1;
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}
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if(resource->type == LWM2M_RESOURCE_TYPE_BOOLEAN_VARIABLE_ARRAY) {
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if(context->object_instance_index < resource->value.booleanvararr.count) {
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resource->value.booleanvararr.var[context->object_instance_index] =
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value;
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return 1;
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}
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return 0;
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}
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/* Not a boolean variable */
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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