NetUdp.hpp

//------------------------------------------------------------------------------
//This file is part of embKernel. 
//See license.txt for the full license governing this code.
//------------------------------------------------------------------------------

#ifndef NET_UDP_HPP_
#define NET_UDP_HPP_

#include "NetDefs.hpp"
#include "RtosSemaphore.hpp"
#include "LibLinkedList.hpp"

class NetUdpSocket;

class NetUdp {
    friend class NetIp;
    friend class NetClientDhcp;
    friend class NetNbns;
    friend class NetUdpSocket;
    friend class NetRemoteConfiguration;

private:
    static LibLinkedList<NetUdpSocket> sSocketList;
    static RtosSemaphore sSema;

    static void processFrame(NetDefs::FRAME& frame, NetDefs::UDP_HEADER& header, int len);
    static void putHeader(NetDefs::FRAME& frame, const NetDefs::MAC_ADDR& macDst, const NetDefs::IP_ADDR& dstAddr, uint16_t srcPort, uint16_t dstPort,
            int dataLen);
    static void flush(NetDefs::FRAME& frame, int dataLen, bool discardable);
    static void swapHeader(NetDefs::UDP_HEADER& header);

    static NetUdpSocket* findMatchingSocket(NetDefs::UDP_PORT port);
    static void addSocket(NetUdpSocket& socket);
    static void removeSocket(NetUdpSocket& socket);
};

#endif /* NET_UDP_HPP_ */