/*
 * Copyright (c) 1983  Regents of the University of California, (c) 1997 David Faure
 * All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or
 *    without modification, are permitted provided that the following
 *    conditions are met:
 *
 *    - Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer.
 *
 *    - Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials
 *      provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
 *    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 *    THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR
 *    BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 *    TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 *    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 *    THE POSSIBILITY OF SUCH DAMAGE.
 *
 * (BSD License, from tdelibs/doc/common/bsd-license.html)
 *
 */
#include "../includ.h"
#include "talkconn.h"
#include <stdio.h>

/** Implements the answering machine. */
class AnswMachine
{
  public:
    /** Constructor.
     * @param r_addr Remote machine IP address
     * @param r_name Remote user name
     * @param l_name Local user name
     * @param _mode Answering machine mode, cf defs.h */
    AnswMachine(struct in_addr r_addr,
                char * r_name,
                char * l_name,
                int _mode);

    /** Destructor. */
    virtual ~AnswMachine();

    /** Launch the machine */
    virtual void start();
    
    /** Create and start a new answering machine from the given info */
    static void launchAnswMach(NEW_CTL_MSG msginfo, int mode);

  protected:

    /** Read usercfg file to know if user wants it to be launched */
    int LaunchIt(const char * key);
    
    int read_message(FILE * fd);   // message to mail
    void write_headers(FILE * fd, struct hostent * hp, char *
                       messg_myaddr, int usercfg); // mail headers

    /** Do the actual talk. */
    void talk();

    // Protected members
    /** Answering machine mode */
    int mode;
    /** Talk Connection to the caller */
    TalkConnection * talkconn;
    /** Local user name (for config file. Is also the default mail addr) */
    char local_user[NEW_NAME_SIZE];
    /** Non-existent user name, to be written in the mail. */
    char NEUperson[NEW_NAME_SIZE];
    /** Caller's machine address */
    struct in_addr caller_machine_addr;
    /** User config file */
    int usercfg;
};