1 files changed, 78 insertions, 0 deletions
diff --git a/src/vis-session.hpp b/src/vis-session.hpp
new file mode 100644
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--- /dev/null
+++ b/src/vis-session.hpp
@@ -0,0 +1,78 @@
+// 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 &timestamp);
+
+	virtual void handle_authorized_response(void) = 0;
+
+	virtual void handle_get_response(std::string &path, std::string &value, std::string &timestamp) = 0;
+
+	virtual void handle_notification(std::string &path, std::string &value, std::string &timestamp) = 0;
+
+};
+
+#endif // _VIS_SESSION_HPP