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
|
/*
* Copyright (C) 2016 "IoT.bzh"
* Author Romain Forlot <romain.forlot@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.
*
*/
#define AFB_BINDING_VERSION 2
#include <afb/afb-binding.h>
#include <systemd/sd-event.h>
#include <json-c/json_object.h>
#include <stdbool.h>
#include <string.h>
#include "signal-composer.hpp"
#include "ctl-config.h"
#include "wrap-json.h"
extern "C"
{
CTLP_LUALOAD
CTLP_REGISTER("lua2c-interface");
typedef struct CtxS {
struct signalCBT* pluginHandle;
} CtxT;
static CtxT *pluginCtx = NULL;
// Call at initialisation time
CTLP_ONLOAD(plugin, handle) {
pluginCtx = (CtxT*)calloc (1, sizeof(CtxT));
pluginCtx->pluginHandle = (struct signalCBT*)handle;
AFB_NOTICE ("Low-can plugin: label='%s' version='%s' info='%s'",
plugin->label,
plugin->version,
plugin->info);
return (void*)pluginCtx;
}
CTLP_LUA2C (setSignalValueWrap, label, argsJ)
{
const char* name = nullptr;
double resultNum;
uint64_t timestamp;
if(! wrap_json_unpack(argsJ, "{ss, sF, sI? !}",
"name", &name,
"value", &resultNum,
"timestamp", ×tamp))
{
AFB_ERROR("Fail to set value for label: %s, argsJ: %s", label, json_object_to_json_string(argsJ));
return -1;
}
struct signalValue result = {0,0,1, resultNum, 0, ""};
pluginCtx->pluginHandle->setSignalValue(name, timestamp*MICRO, result);
return 0;
}
// extern "C" closure
}
|
