코드 3-11 TCP 서버 루프 구동하기

void DoTCPLoop()
{
    TCPSocketPtr listenSocket = SocketUtil::CreateTCPSocket(INET);
    SocketAddress receivingAddres(INADDR_ANY, 48000);
    if (listenSocket->Bind(receivingAddres) != NO_ERROR)
        return;
 
    vector<TCPSocketPtr> readBlockSockets;
    readBlockSockets.push_back(listenSocket);
    vector<TCPSocketPtr> readableSockets;
 
    while (gIsGameRunning)
    {
        if (!SocketUtil::Select(&readBlockSockets, &readableSockets,
                nullptr, nullptr, nullptr, nullptr))
            continue;
 
        // readableSockets에 받은 패킷을 하나씩 순회한다.
        for (const TCPSocketPtr& socket : readableSockets)
        {
            if (socket == listenSocket)
            {
                // 리스닝 소켓에서 새 연결을 받는다.
                SocketAddress newClientAddress;
                auto newSocket = listenSocket->Accept(newClientAddress);
                readBlockSockets.push_back(newSocket);
                ProcessNewClient(newSocket, newClientAddress);
            }
            else
            {
                // 일반 소켓이므로 데이터를 수신한다.
                char segment[GOOD_SEGMENT_SIZE];
                int dataReceived =
                    socket->Receive( segment, GOOD_SEGMENT_SIZE );
                if(dataReceived > 0)
                    ProcessDataFromClient(socket, segment, dataReceived);
            }
        }
    }
}