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/*-*-c++-*-
 * $Id$
 *
 * This file is part of plptools.
 *
 *  Copyright (C) 1999  Philip Proudman <philip.proudman@btinternet.com>
 *  Copyright (C) 1999-2001 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
 *
 */
#ifndef _ncp_h_
#define _ncp_h_

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "bufferstore.h"
#include "linkchan.h"
class link;
class channel;
class IOWatch;

#define NCP_DEBUG_LOG  1
#define NCP_DEBUG_DUMP 2

class ncp {
public:
    ncp(const char *fname, int baud, IOWatch &iow);
    ~ncp();

    int connect(channel *c); // returns channel, or -1 if failure
    void Register(channel *c);
    void RegisterAck(int, const char *);
    void disconnect(int channel);
    void send(int channel, bufferStore &a);
    void poll();
    void reset();
    int  maxLinks();
    bool stuffToSend();
    bool hasFailed();
    bool gotLinkChannel();

    void setVerbose(short int);
    short int getVerbose();
    void setLinkVerbose(short int);
    short int getLinkVerbose();
    void setPktVerbose(short int);
    short int getPktVerbose();
    short int getProtocolVersion();

private:
    enum c { MAX_LEN = 200, LAST_MESS = 1, NOT_LAST_MESS = 2 };
    enum interControllerMessageType {
	// Inter controller message types
	NCON_MSG_DATA_XOFF=1,
	NCON_MSG_DATA_XON=2,
	NCON_MSG_CONNECT_TO_SERVER=3,
	NCON_MSG_CONNECT_RESPONSE=4,
	NCON_MSG_CHANNEL_CLOSED=5,
	NCON_MSG_NCP_INFO=6,
	NCON_MSG_CHANNEL_DISCONNECT=7,
	NCON_MSG_NCP_END=8
    };
    enum protocolVersionType { PV_SERIES_5 = 6, PV_SERIES_3 = 3 };
    int getFirstUnusedChan();
    void decodeControlMessage(bufferStore &buff);
    void controlChannel(int chan, enum interControllerMessageType t, bufferStore &command);
    char * ctrlMsgName(unsigned char);

    link *l;
    unsigned short verbose;
    channel **channelPtr;
    bufferStore *messageList;
    int *remoteChanList;
    bool failed;
    short int protocolVersion;
    linkChan *lChan;
    int maxChannels;
};

#endif

/*
 * Local variables:
 * c-basic-offset: 4
 * End:
 */