1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
* Author "Loic Collignon" <loic.collignon@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <linux/can.h>
#include <linux/can/raw.h>
#include <queue>
#include <afb/afb-binding.h>
#include "can-utils.h"
#include "openxc.pb.h"
#include "json-c/json.h"
void can_event_push(can_bus_t& can_bus)
{
openxc_VehicleMessage v_message;
openxc_SimpleMessage s_message;
iterator it_event;
while(true)
{
if(v_message = can_bus->next_vehicle_message())
{
s_message = get_simple_message(v_msg);
const auto& it_event = subscribed_signals.find(s_msg.name);
if(! it_event->end() && afb_event_is_valid(it_event->second))
afb_event_push(it_event->second, jsonify_simple(s_msg));
}
}
}
void jsonify_DynamicField(const openxc_DynamicField& field, const json_object& value)
{
if(field.has_numeric_value)
json_object_object_add(value, "value", json_object_new_double(field.numeric_value));
else if(field.has_boolean_value)
json_object_object_add(value, "value", json_object_new_boolean(field.boolean_value));
else if(field.has_string_value)
json_object_object_add(value, "value", json_object_new_string(field.string_value));
return value;
}
/* Extract the simple message value from an openxc_VehicleMessage
* and return it, or null if there isn't.
*/
openxc_SimpleMessage get_simple_message(const openxc_VehicleMessage& v_msg)
{
return v_msg.has_simple_message ? v_msg.simple_message : {0};
}
json_object jsonify_simple(const openxc_SimpleMessage& s_msg)
{
json_object *json;
json = nullptr;
if(s_msg->has_name)
{
json = json_object_new_object();
json_object_object_add(json, "name", json_object_new_string(s_msg->name));
jsonify_DynamicField(&s_msg->value, json);
}
return json;
}
|
