mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
/** The "capabiltities" API ressource.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
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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 <villas/config.h>
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#include <villas/plugin.h>
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#include <villas/hook.hpp>
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#include <villas/api/request.hpp>
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#include <villas/api/response.hpp>
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namespace villas {
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namespace node {
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namespace api {
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class CapabilitiesRequest : public Request {
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public:
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using Request::Request;
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virtual Response * execute()
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{
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json_t *json_hooks = json_array();
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json_t *json_apis = json_array();
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json_t *json_nodes = json_array();
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json_t *json_formats = json_array();
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json_t *json_name;
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if (method != Session::Method::GET)
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throw InvalidMethod(this);
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if (body != nullptr)
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throw BadRequest("Capabilities endpoint does not accept any body data");
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for (auto f : plugin::Registry::lookup<RequestFactory>()) {
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json_name = json_string(f->getName().c_str());
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json_array_append_new(json_apis, json_name);
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}
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for (auto f : plugin::Registry::lookup<HookFactory>()) {
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json_name = json_string(f->getName().c_str());
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json_array_append_new(json_hooks, json_name);
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}
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for (size_t i = 0; i < vlist_length(&plugins); i++) {
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struct plugin *p = (struct plugin *) vlist_at(&plugins, i);
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json_t *json_name;
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switch(p->type) {
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case PluginType::NODE:
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json_name = json_string(p->name);
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json_array_append_new(json_nodes, json_name);
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break;
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case PluginType::FORMAT:
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json_name = json_string(p->name);
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json_array_append_new(json_formats, json_name);
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break;
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}
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}
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#if 0 /* @todo Port to C++ */
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for (auto f : NodeFactory::lookup()) {
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json_name = json_string(f->getName().c_str());
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json_array_append_new(json_nodes, json_name);
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}
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for (auto f : FormatFactory::lookup()) {
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json_name = json_string(f->getName().c_str());
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json_array_append_new(json_formats, json_name);
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}
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#endif
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auto *json_capabilities = json_pack("{ s: o, s: o, s: o, s: o }",
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"hooks", json_hooks,
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"node-types", json_nodes,
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"apis", json_apis,
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"formats", json_formats);
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return new JsonResponse(session, HTTP_STATUS_OK, json_capabilities);
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}
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};
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/* Register API request */
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static char n[] = "capabilities";
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static char r[] = "/capabilities";
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static char d[] = "get capabiltities and details about this VILLASnode instance";
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static RequestPlugin<CapabilitiesRequest, n, r, d> p;
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} /* namespace api */
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} /* namespace node */
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} /* namespace villas */
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