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  *
  34  *      last edit-date: [Mon Dec 13 21:45:51 1999]
  35  *
  36  *---------------------------------------------------------------------------*/
  37
  38 #include "isdnd.h"
  39
  40 /*---------------------------------------------------------------------------*
  41  *      select the first remote number to dial according to the
  42  *      dial strategy
  43  *---------------------------------------------------------------------------*/
  44 void
  45 select_first_dialno(cfg_entry_t *cep)
  46 {
  47         int i, j;
  48
  49         if(cep->keypad[0] != '\0')
  50                 return;
  51
  52         if(cep->remote_numbers_count < 1)
  53         {
  54                 log(LL_ERR, "select_first_dialno: remote_numbers_count < 1!");
  55                 return;
  56         }
  57
  58         if(cep->remote_numbers_count == 1)
  59         {
  60                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
  61                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: only one no, no = %s", cep->remote_phone_dialout)));
  62                 cep->last_remote_number = 0;
  63                 return;
  64         }
  65
  66         if(cep->remote_numbers_handling == RNH_FIRST)
  67         {
  68                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
  69                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: use first, no = %s", cep->remote_phone_dialout)));
  70                 cep->last_remote_number = 0;
  71                 return;
  72         }
  73
  74         i = cep->last_remote_number;
  75
  76         for(j = cep->remote_numbers_count; j > 0; j--)
  77         {
  78                 if(cep->remote_numbers[i].flag == RNF_SUCC)
  79                 {
  80                         if(cep->remote_numbers_handling == RNH_LAST)
  81                         {
  82                                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[i].number);
  83                                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: use last, no = %s", cep->remote_phone_dialout)));
  84                                 cep->last_remote_number = i;
  85                                 return;
  86                         }
  87                         else
  88                         {
  89                                 if(++i >= cep->remote_numbers_count)
  90                                         i = 0;
  91
  92                                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[i].number);
  93                                 DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: use next, no = %s", cep->remote_phone_dialout)));
  94                                 cep->last_remote_number = i;
  95                                 return;
  96                         }
  97                 }
  98
  99                 if(++i >= cep->remote_numbers_count)
 100                         i = 0;
 101         }
 102         strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
 103         DBGL(DL_DIAL, (log(LL_DBG, "select_first_dialno: no last found (use 0), no = %s", cep->remote_phone_dialout)));
 104         cep->last_remote_number = 0;
 105 }
 106
 107 /*---------------------------------------------------------------------------*
 108  *      select next remote number to dial (last was unsuccesfull)
 109  *---------------------------------------------------------------------------*/
 110 void
 111 select_next_dialno(cfg_entry_t *cep)
 112 {
 113         if(cep->remote_numbers_count < 1)
 114         {
 115                 log(LL_ERR, "select_next_dialno: remote_numbers_count < 1!");
 116                 return;
 117         }
 118
 119         if(cep->remote_numbers_count == 1)
 120         {
 121                 strcpy(cep->remote_phone_dialout, cep->remote_numbers[0].number);
 122                 DBGL(DL_DIAL, (log(LL_DBG, "select_next_dialno: only one no, no = %s", cep->remote_phone_dialout)));
 123                 cep->last_remote_number = 0;
 124                 return;
 125         }
 126
 127         /* mark last try as bad */
 128
 129         cep->remote_numbers[cep->last_remote_number].flag = RNF_IDLE;
 130
 131         /* next one to try */
 132
 133         cep->last_remote_number++;
 134
 135         if(cep->last_remote_number >= cep->remote_numbers_count)
 136                 cep->last_remote_number = 0;
 137
 138         strcpy(cep->remote_phone_dialout, cep->remote_numbers[cep->last_remote_number].number);
 139
 140         DBGL(DL_DIAL, (log(LL_DBG, "select_next_dialno: index=%d, no=%s",
 141                 cep->last_remote_number,
 142                 cep->remote_numbers[cep->last_remote_number].number)));
 143 }
 144
 145 /*---------------------------------------------------------------------------*
 146  *      dial succeded, store this number as the last successful
 147  *---------------------------------------------------------------------------*/
 148 void
 149 select_this_dialno(cfg_entry_t *cep)
 150 {
 151         cep->remote_numbers[cep->last_remote_number].flag = RNF_SUCC;
 152
 153         DBGL(DL_DIAL, (log(LL_DBG, "select_this_dialno: index = %d, no = %s",
 154                 cep->last_remote_number,
 155                 cep->remote_numbers[cep->last_remote_number].number)));
 156 }
 157
 158 /* EOF */