////  PairingHandler.cpp//  hifi////  Created by Stephen Birarda on 5/13/13.//  Copyright (c) 2013 High Fidelity, Inc. All rights reserved.// #include <arpa/inet.h>#include <string.h>#include <stdio.h> #include <NodeList.h> #include "PairingHandler.h" const char PAIRING_SERVER_HOSTNAME[] = "pairing.highfidelity.io";const int PAIRING_SERVER_PORT = 7247; void PairingHandler::sendPairRequest() {        // grab the node socket from the NodeList singleton    UDPSocket *nodeSocket = NodeList::getInstance()->getNodeSocket();        // prepare the pairing request packet        // use the getLocalAddress helper to get this client's listening address    int localAddress = getLocalAddress();        char pairPacket[24] = {};    sprintf(pairPacket, "Find %d.%d.%d.%d:%hu",            localAddress & 0xFF,            (localAddress >> 8) & 0xFF,            (localAddress >> 16) & 0xFF,            (localAddress >> 24) & 0xFF,            NodeList::getInstance()->getSocketListenPort());        qDebug("Sending pair packet: %s\n", pairPacket);        sockaddr_in pairingServerSocket;        pairingServerSocket.sin_family = AF_INET;        // lookup the pairing server IP by the hostname    struct hostent* hostInfo = gethostbyname(PAIRING_SERVER_HOSTNAME);    memcpy(&pairingServerSocket.sin_addr, hostInfo->h_addr_list[0], hostInfo->h_length);    pairingServerSocket.sin_port = htons(PAIRING_SERVER_PORT);        // send the pair request to the pairing server    nodeSocket->send((sockaddr*) &pairingServerSocket, pairPacket, strlen(pairPacket));}