#ifndef __tftp_h__
#define __tftp_h__

#include "socketUdp.h"

#define TFTP_FRAMES \
	TFTP_FRAME(1,ReadRequest) \
	TFTP_FRAME(2,WriteRequest) \
	TFTP_FRAME(3,DataPacket) \
	TFTP_FRAME(4,Acknowledgement) \
	TFTP_FRAME(5,Error) \
	TFTP_FRAME(6,OptionAcknowledgement) \
	/**/

struct Tftp
{
	struct ReadRequest
	{
		U8 request[0];
	};
	struct WriteRequest
	{
		U8 request[0];
	};
	struct DataPacket
	{
		Ube16 block;
		U8 data[0];
	};
	struct Acknowledgement
	{
		Ube16 block;
	};
	struct OptionAcknowledgement
	{
		U8 response[0];
	};
	struct Error
	{
		Ube16 code;
		U8 response[0];
	};
	Ube16 opcode;
	#define TFTP_FRAME(i,name) name as ## name[0];
	TFTP_FRAMES
	#undef TFTP_FRAME
	#define TFTP_FRAME(i,name) static const U8 id ## name= i;
	TFTP_FRAMES
	#undef TFTP_FRAME
};

struct TftpClient
{
	SocketUdp sock;

	bool readFile(EthernetCapable *ec,U8*ptr,U8 *filename);
};


#endif /* __tftp_h__ */