mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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87 lines
1.8 KiB
C++
87 lines
1.8 KiB
C++
/* API session.
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*
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* Author: Steffen Vogel <post@steffenvogel.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <jansson.h>
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#include <villas/api.hpp>
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#include <villas/buffer.hpp>
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#include <villas/queue.h>
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namespace villas {
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namespace node {
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// Forward declarations
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class SuperNode;
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class Api;
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class Web;
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namespace api {
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// Forward declarations
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class Request;
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class Response;
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class StatusRequest;
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class RequestFactory;
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// A connection via HTTP REST or WebSockets to issue API requests.
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class Session {
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public:
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friend Request; // Requires access to wsi for getting URL args and headers
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friend StatusRequest; // Requires access to wsi for context status
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friend RequestFactory;
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enum State { ESTABLISHED, SHUTDOWN };
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enum Version { UNKNOWN_VERSION = 0, VERSION_1 = 1, VERSION_2 = 2 };
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enum Method { UNKNOWN, GET, POST, DELETE, OPTIONS, PUT, PATCH };
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protected:
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enum State state;
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enum Version version;
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lws *wsi;
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Web *web;
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Api *api;
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Logger logger;
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std::unique_ptr<Request> request;
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std::unique_ptr<Response> response;
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bool headersSent;
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public:
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Session(struct lws *w);
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~Session();
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std::string getName() const;
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SuperNode *getSuperNode() const { return api->getSuperNode(); }
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void open(void *in, size_t len);
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int writeable();
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void body(void *in, size_t len);
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void bodyComplete();
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void execute();
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void shutdown();
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static int protocolCallback(struct lws *wsi, enum lws_callback_reasons reason,
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void *user, void *in, size_t len);
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Method getRequestMethod() const;
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static std::string methodToString(Method meth);
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};
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} // namespace api
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} // namespace node
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} // namespace villas
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