2020-08-17 17:03:54 +02:00
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/** The API ressource for querying statistics.
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2019-04-10 18:08:57 +02:00
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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2020-01-20 17:17:00 +01:00
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
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2019-04-10 18:08:57 +02:00
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <jansson.h>
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#include <villas/log.h>
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#include <villas/node.h>
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2019-06-23 13:35:42 +02:00
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#include <villas/stats.hpp>
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2019-04-10 18:08:57 +02:00
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#include <villas/super_node.hpp>
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2019-04-23 13:09:50 +02:00
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#include <villas/utils.hpp>
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2019-04-10 18:08:57 +02:00
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#include <villas/api.hpp>
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2020-08-17 17:03:54 +02:00
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#include <villas/api/session.hpp>
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2020-09-30 16:11:13 +02:00
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#include <villas/api/node_request.hpp>
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2020-08-17 17:03:54 +02:00
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#include <villas/api/response.hpp>
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2019-04-10 18:08:57 +02:00
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namespace villas {
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namespace node {
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namespace api {
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2020-09-30 16:11:13 +02:00
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class StatsRequest : public NodeRequest {
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2019-04-10 18:08:57 +02:00
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public:
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2020-09-30 16:11:13 +02:00
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using NodeRequest::NodeRequest;
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2019-04-10 18:08:57 +02:00
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2020-08-17 17:03:54 +02:00
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virtual Response * execute()
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2019-04-10 18:08:57 +02:00
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{
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2020-09-30 17:56:12 +02:00
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if (method != Session::Method::GET)
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2020-08-17 17:03:54 +02:00
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throw InvalidMethod(this);
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2019-04-10 18:08:57 +02:00
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2020-08-17 17:03:54 +02:00
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if (body != nullptr)
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throw BadRequest("Stats endpoint does not accept any body data");
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2020-09-30 16:11:13 +02:00
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if (node->stats == nullptr)
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2020-08-25 20:22:19 +02:00
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throw BadRequest("The statistics collection for this node is not enabled");
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2019-04-10 18:08:57 +02:00
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2020-10-20 22:17:55 +02:00
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return new JsonResponse(session, HTTP_STATUS_OK, node->stats->toJson());
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2019-04-10 18:08:57 +02:00
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}
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};
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2020-08-17 17:03:54 +02:00
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/* Register API requests */
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2020-08-25 21:00:52 +02:00
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static char n[] = "node/stats";
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2020-09-03 15:06:50 +02:00
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static char r[] = "/node/(" RE_NODE_NAME "|" RE_UUID ")/stats";
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2020-08-17 17:03:54 +02:00
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static char d[] = "get internal statistics counters";
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static RequestPlugin<StatsRequest, n, r, d> p;
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2019-04-10 18:08:57 +02:00
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} /* namespace api */
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} /* namespace node */
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} /* namespace villas */
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