mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/** The "paths" 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 <jansson.h>
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#include <villas/super_node.hpp>
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#include <villas/path.h>
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#include <villas/path_source.h>
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#include <villas/path_destination.h>
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#include <villas/hook.hpp>
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#include <villas/utils.hpp>
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#include <villas/api/session.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 PathsRequest : 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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if (method != Method::GET)
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throw InvalidMethod(this);
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if (body != nullptr)
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throw BadRequest("Paths endpoint does not accept any body data");
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json_t *json_paths = json_array();
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struct vlist *paths = session->getSuperNode()->getPaths();
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for (size_t i = 0; i < vlist_length(paths); i++) {
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struct vpath *p = (struct vpath *) vlist_at(paths, i);
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char uuid[37];
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uuid_unparse(p->uuid, uuid);
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json_t *json_signals = json_array();
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json_t *json_hooks = json_array();
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json_t *json_sources = json_array();
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json_t *json_destinations = json_array();
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for (size_t i = 0; i < vlist_length(&p->signals); i++) {
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struct signal *sig = (struct signal *) vlist_at_safe(&p->signals, i);
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json_array_append(json_signals, signal_to_json(sig));
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}
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for (size_t i = 0; i < vlist_length(&p->hooks); i++) {
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Hook *h = (Hook *) vlist_at_safe(&p->hooks, i);
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json_array_append(json_hooks, h->getConfig());
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}
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for (size_t i = 0; i < vlist_length(&p->sources); i++) {
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struct vpath_source *pd = (struct vpath_source *) vlist_at_safe(&p->sources, i);
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json_array_append_new(json_sources, json_string(node_name_short(pd->node)));
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}
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for (size_t i = 0; i < vlist_length(&p->destinations); i++) {
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struct vpath_destination *pd = (struct vpath_destination *) vlist_at_safe(&p->destinations, i);
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json_array_append_new(json_destinations, json_string(node_name_short(pd->node)));
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}
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json_t *json_path = json_pack("{ s: s, s: s, s: s, s: b, s: b s: b, s: b, s: b, s: b s: i, s: o, s: o, s: o, s: o }",
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"uuid", uuid,
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"state", state_print(p->state),
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"mode", p->mode == PathMode::ANY ? "any" : "all",
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"enabled", p->enabled,
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"builtin", p->builtin,
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"reverse", p->reverse,
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"original_sequence_no", p->original_sequence_no,
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"last_sequence", p->last_sequence,
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"poll", p->poll,
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"queuelen", p->queuelen,
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"signals", json_signals,
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"hooks", json_hooks,
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"in", json_sources,
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"out", json_destinations
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);
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json_array_append_new(json_paths, json_path);
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}
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return new Response(session, json_paths);
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}
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};
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/* Register API request */
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static char n[] = "paths";
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static char r[] = "/paths";
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static char d[] = "retrieve list of all paths with details";
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static RequestPlugin<PathsRequest, 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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