/*	$Id: Transport.h,v 1.2 1999/06/13 07:41:26 robert Exp $ */
/*
 * Copyright (c) 1990-1996 Sam Leffler
 * Copyright (c) 1991-1996 Silicon Graphics, Inc.
 * HylaFAX is a trademark of Silicon Graphics
 *
 * Permission to use, copy, modify, distribute, and sell this software and 
 * its documentation for any purpose is hereby granted without fee, provided
 * that (i) the above copyright notices and this permission notice appear in
 * all copies of the software and related documentation, and (ii) the names of
 * Sam Leffler and Silicon Graphics may not be used in any advertising or
 * publicity relating to the software without the specific, prior written
 * permission of Sam Leffler and Silicon Graphics.
 * 
 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
 * 
 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
 * OF THIS SOFTWARE.
 */
#ifndef _Transport_
#define	_Transport_

#include "Types.h"

class FaxClient;
class fxStr;

class Transport {
protected:
    FaxClient&	client;

    Transport(FaxClient&);

    void notConfigured(const char* what, fxStr& emsg);
public:
    virtual ~Transport();

    static Transport& getTransport(FaxClient&, const char* address);

    virtual bool callServer(fxStr& emsg) = 0;
    virtual bool hangupServer(void);
    virtual bool abortCmd(fxStr& emsg);

    virtual bool initDataConn(fxStr& emsg) = 0;
    virtual bool openDataConn(fxStr& emsg) = 0;
    virtual void closeDataConn(int);
};
#endif /* _Transport_ */
