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FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"

SRC_URI += "file://0007-WIP-Initial-LAVA-support.patch"
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * Copyright (C) 2015, 2016, 2017, 2018 "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 _GNU_SOURCE
#include "harvester.h"
#include "harvester-apidef.h"

#include "plugins/tsdb.h"
#include "curl-wrap.h"
#include "wrap-json.h"

#define ERROR -1

CURL* (*tsdb_write)(const char* host, const char *port, json_object *metric);
void (*write_curl_cb)(void *closure, int status, CURL *curl, const char *result, size_t size);

struct reader_args r_args = {NULL, NULL};

int do_write(struct afb_req req, const char* host, const char *port, json_object *metric)
{
	CURL *curl_request;

	curl_request = tsdb_write(host, port, metric);
	curl_wrap_do(curl_request, write_curl_cb, &req);

	return 0;
}

void write(struct afb_req req)
{
	const char *port = NULL;
	const char *host = NULL;

	json_object *req_args = afb_req_json(req),
				*portJ = NULL,
				*metric = NULL;

	if(wrap_json_unpack(req_args, "{s?s,s?o,so!}",
								"host", &host,
								"port", &portJ,
								"metric", &metric) || ! metric)
		afb_req_fail(req, "Failed", "Error processing arguments. Miss metric\
JSON object or malformed");
	else {
		port = json_object_is_type(portJ, json_type_null) ?
				NULL : json_object_to_json_string(portJ);
		if(do_write(req, host, port, metric))
			afb_req_fail(req, "Failed", "Error processing metric JSON object.\
Malformed !");
	}
}

void auth(struct afb_req request)
{
	afb_req_session_set_LOA(request, 1);
	afb_req_success(request, NULL, NULL);
}

int init()
{
	int tsdb_available = 0;

	if(curl_global_init(CURL_GLOBAL_DEFAULT) != 0) {
		AFB_ERROR("Something went wrong initiliazing libcurl. Abort");
		return ERROR;
	}

	tsdb_available = db_ping();
	switch (tsdb_available) {
		case INFLUX:
			tsdb_write = influxdb_write;
			write_curl_cb = influxdb_write_curl_cb;
			if(influxdb_reader(&r_args) != 0) {
				AFB_ERROR("Problem initiating reader timer. Abort");
				return ERROR;
			}
			break;
		default:
			AFB_ERROR("No Time Series Database found. Abort");
			return ERROR;
			break;
	}

	return 0;
}