src/openxc-utils.cpp

   1 /*
   2  * Copyright (C) 2015, 2016 "IoT.bzh"
   3  * Author "Romain Forlot" <romain.forlot@iot.bzh>
   4  * Author "Loic Collignon" <loic.collignon@iot.bzh>
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *       http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #include <string>
  20 #include <json-c/json.h>
  21 #include <sys/timeb.h>
  22
  23 #include "openxc.pb.h"
  24 #include "openxc-utils.hpp"
  25
  26 openxc_VehicleMessage build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type type, const openxc_SimpleMessage& message)
  27 {
  28         struct timeb t_msec;
  29         long long int timestamp_msec;
  30
  31         openxc_VehicleMessage v;
  32
  33         if(!::ftime(&t_msec))
  34         {
  35                 timestamp_msec = ((long long int) t_msec.time) * 1000ll +
  36                                                         (long long int) t_msec.millitm;
  37
  38                 v.has_type = true;
  39                 v.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_SIMPLE;
  40                 v.has_simple_message = true;
  41                 v.simple_message =  message;
  42                 v.has_timestamp = true;
  43                 v.timestamp = timestamp_msec;
  44
  45                 return v;
  46         }
  47
  48         v.has_type = true,
  49         v.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_SIMPLE;
  50         v.has_simple_message = true;
  51         v.simple_message =  message;
  52
  53         return v;
  54 }
  55
  56 openxc_SimpleMessage build_SimpleMessage(const std::string& name, const openxc_DynamicField& value)
  57 {
  58         openxc_SimpleMessage s;
  59
  60         s.has_name = true;
  61         ::strncpy(s.name, name.c_str(), 100);
  62         s.has_value = true;
  63         s.value = value;
  64
  65         return s;
  66 }
  67
  68 openxc_DynamicField build_DynamicField(const std::string& value)
  69 {
  70         openxc_DynamicField d;
  71         d.has_type = true;
  72         d.type = openxc_DynamicField_Type_STRING;
  73
  74         d.has_string_value = true;
  75         ::strncpy(d.string_value, value.c_str(), 100);
  76
  77         return d;
  78 }
  79
  80 openxc_DynamicField build_DynamicField(double value)
  81 {
  82         openxc_DynamicField d;
  83         d.has_type = true;
  84         d.type = openxc_DynamicField_Type_NUM;
  85
  86         d.has_numeric_value = true;
  87         d.numeric_value = value;
  88
  89         return d;
  90 }
  91
  92 openxc_DynamicField build_DynamicField(bool value)
  93 {
  94         openxc_DynamicField d;
  95         d.has_type = true;
  96         d.type = openxc_DynamicField_Type_BOOL;
  97
  98         d.has_boolean_value = true;
  99         d.boolean_value = value;
 100
 101         return d;
 102 }
 103
 104 void jsonify_DynamicField(const openxc_DynamicField& field, json_object* value)
 105 {
 106         if(field.has_numeric_value)
 107                 json_object_object_add(value, "value", json_object_new_double(field.numeric_value));
 108         else if(field.has_boolean_value)
 109                 json_object_object_add(value, "value", json_object_new_boolean(field.boolean_value));
 110         else if(field.has_string_value)
 111                 json_object_object_add(value, "value", json_object_new_string(field.string_value));
 112 }
 113
 114 openxc_SimpleMessage get_simple_message(const openxc_VehicleMessage& v_msg)
 115 {
 116         if (v_msg.has_simple_message)
 117                 return v_msg.simple_message;
 118 }
 119
 120 json_object* jsonify_simple(const openxc_SimpleMessage& s_msg)
 121 {
 122         json_object *json;
 123         json = nullptr;
 124
 125         if(s_msg.has_name)
 126         {
 127                 json = json_object_new_object();
 128                 json_object_object_add(json, "name", json_object_new_string(s_msg.name));
 129                 jsonify_DynamicField(s_msg.value, json);
 130         }
 131         return json;
 132 }