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// SPDX-License-Identifier: Apache-2.0
#ifndef _VIS_SESSION_HPP
#define _VIS_SESSION_HPP
#include "vis-config.hpp"
#include <atomic>
#include <string>
#include <boost/beast/core.hpp>
#include <boost/beast/ssl.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/beast/websocket/ssl.hpp>
#include <boost/asio/strand.hpp>
#include <nlohmann/json.hpp>
namespace beast = boost::beast;
namespace websocket = beast::websocket;
namespace net = boost::asio;
namespace ssl = boost::asio::ssl;
using tcp = boost::asio::ip::tcp;
using json = nlohmann::json;
class VisSession : public std::enable_shared_from_this<VisSession>
{
//net::io_context m_ioc;
tcp::resolver m_resolver;
tcp::resolver::results_type m_results;
std::string m_hostname;
websocket::stream<beast::ssl_stream<beast::tcp_stream>> m_ws;
beast::flat_buffer m_buffer;
public:
// Resolver and socket require an io_context
explicit VisSession(const VisConfig &config, net::io_context& ioc, ssl::context& ctx);
// Start the asynchronous operation
void run();
protected:
VisConfig m_config;
std::atomic_uint m_requestid;
void on_resolve(beast::error_code error, tcp::resolver::results_type results);
void connect();
void on_connect(beast::error_code error, tcp::resolver::results_type::endpoint_type endpoint);
void on_ssl_handshake(beast::error_code error);
void on_handshake(beast::error_code error);
void on_authorize(beast::error_code error, std::size_t bytes_transferred);
void on_write(beast::error_code error, std::size_t bytes_transferred);
void on_read(beast::error_code error, std::size_t bytes_transferred);
void get(const std::string &path);
void set(const std::string &path, const std::string &value);
void subscribe(const std::string &path);
void handle_message(const json &message);
bool parseData(const json &message, std::string &path, std::string &value, std::string ×tamp);
virtual void handle_authorized_response(void) = 0;
virtual void handle_get_response(std::string &path, std::string &value, std::string ×tamp) = 0;
virtual void handle_notification(std::string &path, std::string &value, std::string ×tamp) = 0;
};
#endif // _VIS_SESSION_HPP
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