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// $Id$
//
// PLP - An implementation of the PSION link protocol
//
// Copyright (C) 1999 Philip Proudman
// Modifications for plptools:
// Copyright (C) 1999 Fritz Elfert <felfert@to.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// e-mail philip.proudman@btinternet.com
#ifndef _packet_h
#define _packet_h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
class bufferStore;
class IOWatch;
#define PKT_DEBUG_LOG 1
#define PKT_DEBUG_DUMP 2
#define PKT_DEBUG_HANDSHAKE 4
class packet {
public:
packet(const char *fname, int baud, IOWatch &iow, short int verbose = 0);
~packet();
void send(unsigned char type, const bufferStore &b);
bool get(unsigned char &type, bufferStore &b);
void setVerbose(short int);
short int getVerbose();
bool linkFailed();
void reset();
private:
bool terminated();
void addToCrc(unsigned short a, unsigned short *crc);
void opByte(unsigned char a);
void realWrite();
unsigned short crcOut;
unsigned short crcIn;
unsigned char *inPtr;
unsigned char *outPtr;
unsigned char *endPtr;
unsigned char *inBuffer;
unsigned char *outBuffer;
bufferStore rcv;
int inLen;
int outLen;
int termLen;
int foundSync;
int fd;
int serialStatus;
short int verbose;
bool esc;
bool lastFatal;
char *devname;
int baud;
IOWatch &iow;
};
#endif
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