mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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89 lines
1.8 KiB
C++
89 lines
1.8 KiB
C++
/* API response.
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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 <map>
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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/exceptions.hpp>
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#include <villas/log.hpp>
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#include <villas/plugin.hpp>
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namespace villas {
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namespace node {
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namespace api {
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// Forward declarations
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class Session;
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class Request;
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class Response {
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public:
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friend Session;
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Response(Session *s, int c = HTTP_STATUS_OK,
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const std::string &ct = "text/html; charset=UTF-8",
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const Buffer &b = Buffer());
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virtual ~Response() {}
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virtual void encodeBody() {}
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int writeBody(struct lws *wsi);
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int writeHeaders(struct lws *wsi);
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void setHeader(const std::string &key, const std::string &value) {
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headers[key] = value;
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}
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protected:
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Session *session;
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Logger logger;
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Buffer buffer;
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int code;
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std::string contentType;
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std::map<std::string, std::string> headers;
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};
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class JsonResponse : public Response {
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protected:
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json_t *response;
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public:
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JsonResponse(Session *s, int c, json_t *r)
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: Response(s, c, "application/json"), response(r) {}
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virtual ~JsonResponse();
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virtual void encodeBody();
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};
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class ErrorResponse : public JsonResponse {
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public:
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ErrorResponse(Session *s, const RuntimeError &e)
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: JsonResponse(s, HTTP_STATUS_INTERNAL_SERVER_ERROR,
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json_pack("{ s: s }", "error", e.what())) {}
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ErrorResponse(Session *s, const Error &e)
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: JsonResponse(s, e.code, json_pack("{ s: s }", "error", e.what())) {
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if (e.json)
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json_object_update(response, e.json);
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}
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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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