usr.sbin/i4b/isdnd/dial.c

   1 /*
   2  * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  *---------------------------------------------------------------------------
  26  *
  27  *      i4b daemon - dial handling routines
  28  *      -----------------------------------
  29  *
  30  *      $Id: dial.c,v 1.8 1999/12/13 21:25:24 hm Exp $
  31  *
  32  * $FreeBSD: src/usr.sbin/i4b/isdnd/dial.c,v 1.6.2.2 2001/12/16 15:13:38 hm Exp $
  33  * $DragonFly: src/usr.sbin/i4b/isdnd/dial.c,v 1.2 2003/06/17 06:29:54 dillon Exp $
  34  *
  35  *      last edit-date: [Mon Dec 13 21:45:51 1999]
  36  *
  37  *---------------------------------------------------------------------------*/
  38
  39 #include "isdnd.h"
  40
  41 /*---------------------------------------------------------------------------*
  42  *      select the first remote number to dial according to the
  43  *      dial strategy
  44  *---------------------------------------------------------------------------*/
  45 void
  46 select_first_dialno(cfg_entry_t *cep)
  47 {
  48         int i, j;
  49
  50         if(cep->keypad[0] != '\0')
  51                 return;
  52
  53         if(cep->remote_numbers_count < 1)
  54         {
  55                 log(LL_ERR, "select_first_dialno: remote_numbers_count < 1!");
  56                 return;
  57         }
  58
  59         if(cep->remote_numbers_count == 1)
  60         {
  61                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
  62                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: only one no, no = %s", cep->remote_phone_dialout)));
  63                 cep->last_remote_number = 0;
  64                 return;
  65         }
  66
  67         if(cep->remote_numbers_handling == RNH_FIRST)
  68         {
  69                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
  70                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: use first, no = %s", cep->remote_phone_dialout)));
  71                 cep->last_remote_number = 0;
  72                 return;
  73         }
  74
  75         i = cep->last_remote_number;
  76
  77         for(j = cep->remote_numbers_count; j > 0; j--)
  78         {
  79                 if(cep->remote_numbers[i].flag == RNF_SUCC)
  80                 {
  81                         if(cep->remote_numbers_handling == RNH_LAST)
  82                         {
  83                                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[i].number);
  84                                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: use last, no = %s", cep->remote_phone_dialout)));
  85                                 cep->last_remote_number = i;
  86                                 return;
  87                         }
  88                         else
  89                         {
  90                                 if(++i >= cep->remote_numbers_count)
  91                                         i = 0;
  92
  93                                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[i].number);
  94                                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: use next, no = %s", cep->remote_phone_dialout)));
  95                                 cep->last_remote_number = i;
  96                                 return;
  97                         }
  98                 }
  99
 100                 if(++i >= cep->remote_numbers_count)
 101                         i = 0;
 102         }
 103         strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
 104         DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: no last found (use 0), no = %s", cep->remote_phone_dialout)));
 105         cep->last_remote_number = 0;
 106 }
 107
 108 /*---------------------------------------------------------------------------*
 109  *      select next remote number to dial (last was unsuccesfull)
 110  *---------------------------------------------------------------------------*/
 111 void
 112 select_next_dialno(cfg_entry_t *cep)
 113 {
 114         if(cep->remote_numbers_count < 1)
 115         {
 116                 log(LL_ERR, "select_next_dialno: remote_numbers_count < 1!");
 117                 return;
 118         }
 119
 120         if(cep->remote_numbers_count == 1)
 121         {
 122                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
 123                 DBGL(DL_DIAL, (log(LL_DBG, "select_next_dialno: only one no, no = %s", cep->remote_phone_dialout)));
 124                 cep->last_remote_number = 0;
 125                 return;
 126         }
 127
 128         /* mark last try as bad */
 129
 130         cep->remote_numbers[cep->last_remote_number].flag = RNF_IDLE;
 131
 132         /* next one to try */
 133
 134         cep->last_remote_number++;
 135
 136         if(cep->last_remote_number >= cep->remote_numbers_count)
 137                 cep->last_remote_number = 0;
 138
 139         strcpy(cep->remote_phone_dialout, cep->remote_numbers[cep->last_remote_number].number);
 140
 141         DBGL(DL_DIAL, (log(LL_DBG, "select_next_dialno: index=%d, no=%s",
 142                 cep->last_remote_number,
 143                 cep->remote_numbers[cep->last_remote_number].number)));
 144 }
 145
 146 /*---------------------------------------------------------------------------*
 147  *      dial succeded, store this number as the last successful
 148  *---------------------------------------------------------------------------*/
 149 void
 150 select_this_dialno(cfg_entry_t *cep)
 151 {
 152         cep->remote_numbers[cep->last_remote_number].flag = RNF_SUCC;
 153
 154         DBGL(DL_DIAL, (log(LL_DBG, "select_this_dialno: index = %d, no = %s",
 155                 cep->last_remote_number,
 156                 cep->remote_numbers[cep->last_remote_number].number)));
 157 }
 158
 159 /* EOF */