senml_double_pack.cpp

00001 /*  _  __  ____    _   _ 
00002  * | |/ / |  _ \  | \ | |
00003  * | ' /  | |_) | |  \| |
00004  * | . \  |  __/  | |\  |
00005  * |_|\_\ |_|     |_| \_|
00006  * 
00007  * (c) 2018 KPN
00008  * License: MIT License.
00009  * Author: Jan Bogaerts
00010  * 
00011  * pack (document) with double base values
00012  */
00013 
00014 
00015 #include <senml_double_pack.h> 
00016 #include <senml_helpers.h>
00017 #include <cbor.h> 
00018 
00019 
00020 void SenMLDoublePack::setupStreamCtx(Stream *dest, SenMLStreamMethod format)
00021 {
00022     SenMLPack::setupStreamCtx(dest, format);
00023     _streamCtx->baseValue.baseDouble = this->getBaseValue();
00024     _streamCtx->baseSum.baseDouble = this->getBaseValue();
00025     _streamCtx->baseDataType = CBOR_TYPE_DOUBLE;
00026 }
00027 
00028 void SenMLDoublePack::setupStreamCtx(char *dest, int length, SenMLStreamMethod format)
00029 {
00030     SenMLPack::setupStreamCtx(dest, length, format);
00031     _streamCtx->baseValue.baseDouble = this->getBaseValue();
00032     _streamCtx->baseSum.baseDouble = this->getBaseValue();
00033     _streamCtx->baseDataType = CBOR_TYPE_DOUBLE;
00034 }
00035 
00036 void SenMLDoublePack::fieldsToJson() 
00037 {
00038     double val;
00039     SenMLPack::fieldsToJson();
00040     val = this->getBaseValue();
00041     if(val != 0){
00042         printText(",\"bv\":", 6);
00043         printDouble(val, SENML_MAX_DOUBLE_PRECISION);
00044     }
00045 
00046     val = this->getBaseSum();
00047     if(val != 0){
00048         printText(",\"bs\":", 6);
00049         printDouble(val, SENML_MAX_DOUBLE_PRECISION);
00050     }
00051 
00052 }
00053 
00054 int SenMLDoublePack::fieldsToCbor() 
00055 {
00056     int val;
00057     int res = SenMLPack::fieldsToCbor();
00058     
00059     val = this->getBaseValue();
00060     if(val){
00061         res += cbor_serialize_int(SENML_CBOR_VB_LABEL);
00062         res += cbor_serialize_double(val);
00063     }
00064 
00065     val = this->getBaseSum();
00066     if(val){
00067         res += cbor_serialize_int(SENML_CBOR_BS_LABEL);
00068         res += cbor_serialize_double(val);
00069     }
00070     return res;
00071 }
00072 
00073 
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00075 
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00078