/** The API ressource for querying statistics. * * @author Steffen Vogel * @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC * @license GNU General Public License (version 3) * * VILLASnode * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . *********************************************************************************/ #include #include #include #include #include #include #include #include #include #include namespace villas { namespace node { namespace api { class StatsRequest : public NodeRequest { public: using NodeRequest::NodeRequest; virtual Response * execute() { if (method != Session::Method::GET) throw InvalidMethod(this); if (body != nullptr) throw BadRequest("Stats endpoint does not accept any body data"); if (node->stats == nullptr) throw BadRequest("The statistics collection for this node is not enabled"); return new JsonResponse(session, HTTP_STATUS_OK, node->stats->toJson()); } }; /* Register API requests */ static char n[] = "node/stats"; static char r[] = "/node/(" RE_NODE_NAME "|" RE_UUID ")/stats"; static char d[] = "get internal statistics counters"; static RequestPlugin p; } /* namespace api */ } /* namespace node */ } /* namespace villas */