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VILLASnode/lib/api/actions/node.cpp

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/** The API ressource for start/stop/pause/resume nodes.
*
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2014-2019, 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 <http://www.gnu.org/licenses/>.
*********************************************************************************/
#include <jansson.h>
#include <villas/plugin.h>
#include <villas/node.h>
#include <villas/super_node.hpp>
#include <villas/utils.h>
#include <villas/api/session.hpp>
#include <villas/api/action.hpp>
#include <villas/api.hpp>
namespace villas {
namespace node {
namespace api {
template<int (*A)(struct node *)>
class NodeAction : public Action {
public:
using Action::Action;
virtual int execute(json_t *args, json_t **resp)
{
int ret;
json_error_t err;
const char *node_str;
ret = json_unpack_ex(args, &err, 0, "{ s: s }",
"node", &node_str
);
if (ret < 0)
return ret;
struct vlist *nodes = session->getSuperNode()->getNodes();
struct node *n = (struct node *) vlist_lookup(nodes, node_str);
if (!n)
return -1;
return A(n);
}
};
/* Register actions */
static ActionPlugin<NodeAction<node_start>> p1("node.start", "start a node");
static ActionPlugin<NodeAction<node_stop>> p2("node.stop", "stop a node");
static ActionPlugin<NodeAction<node_pause>> p3("node.pause", "pause a node");
static ActionPlugin<NodeAction<node_resume>> p4("node.resume", "resume a node");
static ActionPlugin<NodeAction<node_restart>> p5("node.restart", "restart a node");
} /* namespace api */
} /* namespace node */
} /* namespace villas */