mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-30 00:00:11 +01:00
0735eb0f89
And various other cleanups and harmonizations Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
116 lines
2.2 KiB
C++
116 lines
2.2 KiB
C++
/* REST-API-releated functions.
|
|
*
|
|
* Author: Steffen Vogel <post@steffenvogel.de>
|
|
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <jansson.h>
|
|
#include <libwebsockets.h>
|
|
|
|
#include <atomic>
|
|
#include <thread>
|
|
#include <list>
|
|
|
|
#include <libwebsockets.h>
|
|
|
|
#include <villas/log.hpp>
|
|
#include <villas/common.hpp>
|
|
#include <villas/queue_signalled.hpp>
|
|
#include <villas/exceptions.hpp>
|
|
|
|
namespace villas {
|
|
namespace node {
|
|
namespace api {
|
|
|
|
const int version = 2;
|
|
|
|
// Forward declarations
|
|
class Session;
|
|
class Response;
|
|
class Request;
|
|
|
|
class Error : public RuntimeError {
|
|
|
|
public:
|
|
|
|
template<typename... Args>
|
|
Error(int c = HTTP_STATUS_INTERNAL_SERVER_ERROR, const std::string &msg = "Invalid API request", Args&&... args) :
|
|
RuntimeError(msg, std::forward<Args>(args)...),
|
|
code(c),
|
|
json(nullptr)
|
|
{ }
|
|
|
|
template<typename... Args>
|
|
Error(int c = HTTP_STATUS_INTERNAL_SERVER_ERROR, const std::string &msg = "Invalid API request", const char *fmt = nullptr, Args&&... args) :
|
|
RuntimeError(msg),
|
|
code(c),
|
|
json(fmt
|
|
? json_pack(fmt, std::forward<Args>(args)...)
|
|
: nullptr
|
|
)
|
|
{ }
|
|
|
|
int code;
|
|
json_t *json;
|
|
};
|
|
|
|
class BadRequest : public Error {
|
|
|
|
public:
|
|
template<typename... Args>
|
|
BadRequest(const std::string &msg = "Bad API request", Args&&... args) :
|
|
Error(HTTP_STATUS_BAD_REQUEST, msg, std::forward<Args>(args)...)
|
|
{ }
|
|
};
|
|
|
|
class InvalidMethod : public BadRequest {
|
|
|
|
public:
|
|
InvalidMethod(Request *req);
|
|
};
|
|
|
|
} // namespace api
|
|
|
|
// Forward declarations
|
|
class SuperNode;
|
|
|
|
class Api {
|
|
|
|
protected:
|
|
Logger logger;
|
|
|
|
enum State state;
|
|
|
|
std::thread thread;
|
|
std::atomic<bool> running; // Atomic flag for signalizing thread termination.
|
|
|
|
SuperNode *super_node;
|
|
|
|
void run();
|
|
void worker();
|
|
|
|
public:
|
|
/* Initialize the API.
|
|
*
|
|
* Save references to list of paths / nodes for command execution.
|
|
*/
|
|
Api(SuperNode *sn);
|
|
~Api();
|
|
|
|
void start();
|
|
void stop();
|
|
|
|
SuperNode * getSuperNode()
|
|
{
|
|
return super_node;
|
|
}
|
|
|
|
std::list<api::Session *> sessions; // List of currently active connections
|
|
villas::QueueSignalled<api::Session *> pending; // A queue of api_sessions which have pending requests.
|
|
};
|
|
|
|
} // namespace node
|
|
} // namespace villas
|