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/*
* 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_LUA_REGISTER("builtin");
static struct signalCBT* pluginCtx = NULL;
// Call at initialisation time
CTLP_ONLOAD(plugin, handle) {
pluginCtx = (struct signalCBT*)calloc (1, sizeof(struct signalCBT));
pluginCtx = (struct signalCBT*)handle;
AFB_NOTICE ("Low-can plugin: label='%s' info='%s'",
plugin->uid,
plugin->info);
return (void*)pluginCtx;
}
CTLP_CAPI (defaultOnReceived, source, argsJ, eventJ)
{
struct signalCBT* ctx = (struct signalCBT*)source->context;
AFB_NOTICE("source: %s argj: %s, eventJ %s", source->uid,
json_object_to_json_string(argsJ),
json_object_to_json_string(eventJ));
void* sig = ctx->aSignal;
json_object* valueJ = nullptr;
json_object* timestampJ = nullptr;
double value = 0;
uint64_t timestamp = 0;
if(json_object_object_get_ex(eventJ, "value", &valueJ))
{value = json_object_get_double(valueJ);}
if(json_object_object_get_ex(eventJ, "timestamp", ×tampJ))
{timestamp = json_object_get_int64(timestampJ);}
struct signalValue v = value;
ctx->setSignalValue(sig, timestamp, v);
return 0;
}
CTLP_LUA2C (setSignalValueWrap, source, argsJ, responseJ)
{
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 uid: %s, argsJ: %s", source->uid, json_object_to_json_string(argsJ));
return -1;
}
struct signalValue result = resultNum;
pluginCtx->searchNsetSignalValue(name, timestamp*MICRO, result);
return 0;
}
// extern "C" closure
}
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