foglamp-south-csv/plugin.cpp at develop · foglamp/foglamp-south-csv · GitHub

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/*
 * FogLAMP south plugin.
 *
 * Copyright (c) 2018 Dianomic Systems
 *
 * Released under the Apache 2.0 Licence
 *
 * Author: Mark Riddoch
 */
#include <csv.h>
#include <plugin_api.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <string>
#include <logger.h>
#include <plugin_exception.h>
#include <config_category.h>
#include <version.h>

using namespace std;

#define PLUGIN_NAME "Csv"
const char *default_config = QUOTE({
		"plugin" : {
			"description" : PLUGIN_NAME,
			"type" : "string",
		       	"default" : PLUGIN_NAME,
			"readonly" : "true"
			},
		"asset" : {
			"description" : "Asset name",
			"type" : "string",
			"default" : "Vibration",
			"order": "1",
			"displayName": "Asset Name"
			},
		"datapoint" : {
			"description" : "Datapoint name/prefix",
			"type" : "string",
			"default" : "ch",
			"order": "2",
			"displayName": "Datapoint"
			},
		"multicolumn" : {
			"description" : "Multiple Column CSV file",
			"type" : "boolean",
			"default" : "false",
			"order": "3",
			"displayName": "Multi-Column"
			},
		"file" : {
			"description" : "Name of the file to read",
			"type" : "string",
		       	"default" : "",
			"order": "4",
		       	"displayName": "Path Of File"
			}
		});

/**
 * The Csv plugin interface
 */
extern "C" {

/**
 * The plugin information structure
 */
static PLUGIN_INFORMATION info = {
	PLUGIN_NAME,              // Name
	VERSION,                  // Version
	0,    			  // Flags
	PLUGIN_TYPE_SOUTH,        // Type
	"1.0.0",                  // Interface version
	default_config            // Default configuration
};

/**
 * Return the information about this plugin
 */
PLUGIN_INFORMATION *plugin_info()
{
	return &info;
}

/**
 * Initialise the plugin, called to get the plugin handle
 */
PLUGIN_HANDLE plugin_init(ConfigCategory *config)
{
Csv *csv = new Csv();

	csv->configure(config);

	return (PLUGIN_HANDLE)csv;
}

/**
 * Start the Async handling for the plugin
 */
void plugin_start(PLUGIN_HANDLE *handle)
{
}

/**
 * Poll for a plugin reading
 */
Reading plugin_poll(PLUGIN_HANDLE *handle)
{
Csv *csv = (Csv *)handle;

	return csv->nextValue();
}

/**
 * Reconfigure the plugin
 */
void plugin_reconfigure(PLUGIN_HANDLE *handle, string& newConfig)
{
ConfigCategory	config("csv", newConfig);
Csv		*csv = (Csv *)*handle;

	csv->configure(&config);
}

/**
 * Shutdown the plugin
 */
void plugin_shutdown(PLUGIN_HANDLE *handle)
{
Csv *csv = (Csv *)handle;

	delete csv;
}
};