// UDPClient.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <WS2tcpip.h>
#include <iostream>
#include <conio.h>
#include <string>
using namespace std;

#pragma comment(lib,"ws2_32.lib")

int _tmain(int argc, char* argv[])
{
	WSADATA wsaData;
	WORD version = MAKEWORD(2,2);

	struct sockaddr_in remaddr;     /* remote address */
	socklen_t addrlen = sizeof(remaddr);


	int wsOk = WSAStartup(version, &wsaData);
	if(wsOk != 0)
	{
		cout<<"Error Winsok sie nie uruchomil";
		return 0;
	}

		// Create a hint structure for the server
	sockaddr_in server;
	server.sin_family = AF_INET; // AF_INET = IPv4 addresses
	server.sin_port = htons(54000); // Little to big endian conversion
	inet_pton(AF_INET, "192.168.1.10", &server.sin_addr); // Convert from string to byte array

	// Socket creation, note that the socket type is datagram
	SOCKET out = socket(AF_INET, SOCK_DGRAM, 0);

	// Write out to that socket
	string s = "Dupa";
	int sendOk = sendto(out, s.c_str(), s.size() + 1, 0, (sockaddr*)&server, sizeof(server));

	if (sendOk == SOCKET_ERROR)
	{
		cout << "That didn't work! " << WSAGetLastError() << endl;
	}
	char *buf;

	for (;;) {

                int recvlen = recvfrom(out, buf, sizeof(buf), 0, (struct sockaddr *)&remaddr, &addrlen);
                printf("received %d bytes\n", recvlen);
                if (recvlen > 0) {
                        buf[recvlen] = 0;
                        printf("received message: \"%s\"\n", buf);
                }
        }
	// Close the socket
	closesocket(out);

	// Close down Winsock
	WSACleanup();
	_getch();
	return 0;
}