Bachelorarbeit/ClientSimulation/IpTcpClient.h

#pragma once

#include "asio.hpp"
#include <memory>

using tcp = asio::ip::tcp;

enum class TCP_REQUESTS {
	NA = 0,
	DOWNLOAD_DATA = 1,
	GET_STATUS = 2,
	GET_LOG_FILES
};

namespace REQUEST {
	enum class INTENT {
		NA = 0,
		DOWNLOAD_DATA = 1,
		GET_STATUS = 2,
		INVALID
	};

	INTENT assignInt(const unsigned int value);

	enum class CODE_RCV {
		SUCCESS = 0,
		FAILED,
		INVALID
	};

	inline CODE_RCV intToRcv(const unsigned int);

	enum class CODE_SND {
		CONTINUING,
		FINISHED,
		INVALID
	};

	template<typename E>
	constexpr auto toUnderlyingType(E e)
	{
		return static_cast<typename std::underlying_type<E>::type>(e);
	}
}

template<typename E>
constexpr auto toUnderlyingType(E e)
{
	return static_cast<typename std::underlying_type<E>::type>(e);
}


class IpTcpClient
{
private:
	std::string ip;
	unsigned int port;
	std::unique_ptr<tcp::socket> socket;
	asio::io_context context;
	tcp::resolver::results_type endpoints;

	std::stringstream inputStream;

	TCP_REQUESTS lastRequest;
public:
	IpTcpClient(std::string targetIP, unsigned int targetPort);
	IpTcpClient(std::string targetIP, unsigned int targetPort, TCP_REQUESTS requestCode);

	//getter and setter
	std::stringstream& getInputStream() { return inputStream; }
	TCP_REQUESTS getLastRequestCode() const { return lastRequest; }



	//Client Routine
	void connect();
	//send request code to server
	void sendRequest(const TCP_REQUESTS& code);
	//Wait until server responds
	size_t waitRead();
	//Process the received data according to the requested data
	void processServerResponse();
};