File: pi-net.h

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/*
 * $Id: pi-net.h,v 1.13 2006/10/17 13:24:07 desrod Exp $
 *
 * pi-net.h: Palm-specific network macro definitions
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
 
#ifndef _PILOT_NET_H_
#define _PILOT_NET_H_

#include "pi-args.h"
#include "pi-buffer.h"

#ifdef __cplusplus
extern "C" {
#endif

#define PI_NET_HEADER_LEN  6
#define PI_NET_MTU         0xffff

#define PI_NET_SIG_BYTE1   0x90

#define PI_NET_OFFSET_TYPE 0
#define PI_NET_OFFSET_TXID 1
#define PI_NET_OFFSET_SIZE 2

#define PI_NET_TYPE_DATA 0x01
#define PI_NET_TYPE_TCKL 0x02

	typedef struct pi_net_data 
	{
		int type;
		int split_writes;	/* set to 0 or <> 0 (see net_tx() function) */
		size_t write_chunksize;	/* set to 0 or a chunk size value (i.e. 4096) (see net_tx() function) */
		unsigned char txid;
	} pi_net_data_t;

	extern pi_protocol_t *net_protocol
	    PI_ARGS((void));

	extern int net_rx_handshake
	    PI_ARGS((pi_socket_t *ps));
	extern int net_tx_handshake
	    PI_ARGS((pi_socket_t *ps));
	extern ssize_t net_tx
	    PI_ARGS((pi_socket_t *ps, PI_CONST unsigned char *buf, size_t len,
		 int flags));
	extern ssize_t net_rx
	    PI_ARGS((pi_socket_t *ps, pi_buffer_t *buf, size_t expect,
		 int flags));

	extern void net_dump_header
	    PI_ARGS((unsigned char *data, int rxtx, int sd));
	extern void net_dump
	    PI_ARGS((unsigned char *header, unsigned char *data));

#ifdef __cplusplus
}
#endif
#endif