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new features::
- reordering instructions in clients
- add sequence number in ansh protocol
- detect lost packets

/*************************************************************************
 * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
 * $Id: proto.h,v 1.1.1.1.2.2 2011/10/13 14:29:30 misho Exp $
 *
 *************************************************************************/
#ifndef __PROTO_H
#define __PROTO_H


#define ANSH_CODE		42
#define ANSH_VERSION		1
#define ANSH_ID			0x4224

#define ANSH_FLG_ERR		-1
#define ANSH_FLG_OK		0
#define ANSH_FLG_EOF		1
#define ANSH_FLG_CPOUT		2
#define ANSH_FLG_WINZ		3

#define ANSH_FLG_GET(x)		((x) & 0xf)


struct ansh_hdr {
	uint8_t		ansh_ver;
	int8_t		ansh_flg;
	uint16_t	ansh_len;
	uint32_t	ansh_nonce;
	uint32_t	ansh_seq;
	uint32_t	ansh_crc;
} __attribute__((packed));


#endif