90 lines
3.4 KiB
C
90 lines
3.4 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 TLV writer
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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 "oma-tlv.h"
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/*---------------------------------------------------------------------------*/
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static size_t
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write_boolean_tlv(const lwm2m_context_t *ctx, uint8_t *outbuf, size_t outlen,
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int value)
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{
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return oma_tlv_write_int32(ctx->resource_id, value != 0 ? 1 : 0,
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outbuf, outlen);
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}
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/*---------------------------------------------------------------------------*/
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static size_t
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write_int_tlv(const lwm2m_context_t *ctx, uint8_t *outbuf, size_t outlen,
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int32_t value)
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{
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return oma_tlv_write_int32(ctx->resource_id, value, outbuf, outlen);
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}
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/*---------------------------------------------------------------------------*/
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static size_t
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write_float32fix_tlv(const lwm2m_context_t *ctx, uint8_t *outbuf,
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size_t outlen, int32_t value, int bits)
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{
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return oma_tlv_write_float32(ctx->resource_id, value, bits, outbuf, outlen);
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}
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/*---------------------------------------------------------------------------*/
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static size_t
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write_string_tlv(const lwm2m_context_t *ctx, uint8_t *outbuf, size_t outlen,
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const char *value, size_t stringlen)
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{
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oma_tlv_t tlv;
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tlv.type = OMA_TLV_TYPE_RESOURCE;
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tlv.value = (uint8_t *) value;
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tlv.length = (uint32_t) stringlen;
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tlv.id = ctx->resource_id;
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return oma_tlv_write(&tlv, outbuf, outlen);
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}
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/*---------------------------------------------------------------------------*/
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const lwm2m_writer_t oma_tlv_writer = {
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write_int_tlv,
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write_string_tlv,
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write_float32fix_tlv,
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write_boolean_tlv
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};
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/*---------------------------------------------------------------------------*/
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/** @} */
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