#include "UDPTCPNetwork.h"

#include <stdio.h>
#include <unistd.h> /* close() */
#include <string.h> /* memset() */

using namespace std;

char dnsip[NET_HOSTLEN];
int UDPTCPNetwork_init = 0;

//
// convert host and port to sockaddr_in6
//
int dns_filladdr (string host, string port, int ai_family, struct sockaddr_storage *sAddr) {
    struct addrinfo hints, *res;
    int err;

    bzero (&hints, sizeof (struct addrinfo));
    hints.ai_family = ai_family;
    hints.ai_socktype = SOCK_DGRAM;

    if ((err = getaddrinfo (host.c_str(), port.c_str(), &hints, &res)) < 0) {
    	fprintf (stdout, "dns_filladdr (getaddrinfo):%s\n", gai_strerror (err));
    	return -1;
    }

    memcpy (sAddr, res->ai_addr, res->ai_addrlen);
    freeaddrinfo (res);

    return 1;
};


//
// convert int to char*
//
char* itoa(char* buffer, int number, int size) {
	snprintf (buffer, size, "%d", number);
	return buffer;
}


void UDPTCPNetwork_Startup() {
	if (UDPTCPNetwork_init != 0) return;

	printf ("%s\n", __FUNCTION__);

#ifdef BUILD_WINDOWS

    WORD wVersionRequested;
    WSADATA wsaData;
    int err;

/* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h */
    wVersionRequested = MAKEWORD(2, 2);

    err = WSAStartup(wVersionRequested, &wsaData);
    if (err != 0) {
        /* Tell the user that we could not find a usable */
        /* Winsock DLL.                                  */
        printf("WSAStartup failed with error: %d\n", err);
        return;
    }
#endif
    UDPTCPNetwork_init = 1;
}