#include <stdio.h>
#include "stdafx.h"
#include <locale.h>
#include <WinSock2.h>
#include <conio.h>

#pragma comment(lib, "Ws2_32.lib")

void CheckErrorByCode(int code)
{

	char Buff[1024];
	FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, code, NULL, Buff, sizeof(Buff), NULL);
	printf(" %s", Buff);

}

int main(int argc, char** argv) {
	setlocale(LC_ALL, "Polish");


	WSADATA wsa;
	SOCKADDR_IN addr;
	addr.sin_family = AF_INET;
	addr.sin_port = htons(19390);
	addr.sin_addr.s_addr = inet_addr("127.0.0.1");


	char BuffToSend2[] = "Editable";
	char BuffToShow2[2048];
	char Host[512];

	int result = WSAStartup(MAKEWORD(2, 0), &wsa);

	if (result != 1)
	{
		printf("WSAStartup initialization: ");
		CheckErrorByCode(result);
	}
	else
	{
		printf("WSAStartup initialization error! Error code: %d", result);
		CheckErrorByCode(result);
	}

	result = gethostname(Host, sizeof(Host));

	if (result == 1)
	{
		printf("Get hostname function error! Error code: %d", result);
		CheckErrorByCode(result);
	}



	SOCKET Socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	bind(Socket, (SOCKADDR*)&addr, sizeof(addr));


	for (int i = 0; i < 2048; i++)
	{
		BuffToShow2[i] = NULL;
	}

	int AddrSize = sizeof(addr);
	recvfrom(Socket, BuffToShow2, sizeof(BuffToShow2), 0, (SOCKADDR*)&addr, &AddrSize);

	int len = strlen(BuffToShow2);

	strncat(BuffToSend2,BuffToShow2,strlen(BuffToShow2));

	sendto(Socket, BuffToSend2, strlen(BuffToSend2), 0, (SOCKADDR*)&addr, sizeof(addr));

	closesocket(Socket);
	_getch();
	return 0;
}