usr.sbin/i4b/isdnd/dial.c

   1 /*
   2  * Copyright (c) 1997, 2002 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  * $FreeBSD$
  31  *
  32  *      last edit-date: [Sat May 13 13:05:52 2006]
  33  *
  34  *---------------------------------------------------------------------------*/
  35
  36 #include "isdnd.h"
  37
  38 /*---------------------------------------------------------------------------*
  39  *      select the first remote number to dial according to the
  40  *      dial strategy
  41  *---------------------------------------------------------------------------*/
  42 void
  43 select_first_dialno(cfg_entry_t *cep)
  44 {
  45         int i, j;
  46
  47         if(cep->keypad[0] != '\0')
  48                 return;
  49
  50         if(cep->remote_numbers_count < 1)
  51         {
  52                 llog(LL_ERR, "select_first_dialno: remote_numbers_count < 1!");
  53                 return;
  54         }
  55
  56         if(cep->remote_numbers_count == 1)
  57         {
  58                 strcpy(cep->remote_phone_dialout.number, cep->remote_numbers[0].number);
  59                 strcpy(cep->remote_phone_dialout.subaddr, cep->remote_numbers[0].subaddr);
  60                 DBGL(DL_DIAL, (llog(LL_DBG, "select_first_dialno: only one no, no = %s", cep->remote_phone_dialout.number)));
  61                 cep->last_remote_number = 0;
  62                 return;
  63         }
  64
  65         if(cep->remote_numbers_handling == RNH_FIRST)
  66         {
  67                 strcpy(cep->remote_phone_dialout.number, cep->remote_numbers[0].number);
  68                 strcpy(cep->remote_phone_dialout.subaddr, cep->remote_numbers[0].subaddr);
  69                 DBGL(DL_DIAL, (llog(LL_DBG, "select_first_dialno: use first, no = %s", cep->remote_phone_dialout.number)));
  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.number, cep->remote_numbers[i].number);
  83                                 strcpy(cep->remote_phone_dialout.subaddr, cep->remote_numbers[i].subaddr);
  84                                 DBGL(DL_DIAL, (llog(LL_DBG, "select_first_dialno: use last, no = %s", cep->remote_phone_dialout.number)));
  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.number, cep->remote_numbers[i].number);
  94                                 strcpy(cep->remote_phone_dialout.subaddr, cep->remote_numbers[i].subaddr);
  95                                 DBGL(DL_DIAL, (llog(LL_DBG, "select_first_dialno: use next, no = %s", cep->remote_phone_dialout.number)));
  96                                 cep->last_remote_number = i;
  97                                 return;
  98                         }
  99                 }
 100
 101                 if(++i >= cep->remote_numbers_count)
 102                         i = 0;
 103         }
 104         strcpy(cep->remote_phone_dialout.number, cep->remote_numbers[0].number);
 105         DBGL(DL_DIAL, (llog(LL_DBG, "select_first_dialno: no last found (use 0), no = %s", cep->remote_phone_dialout.number)));
 106         cep->last_remote_number = 0;
 107 }
 108
 109 /*---------------------------------------------------------------------------*
 110  *      select next remote number to dial (last was unsuccesfull)
 111  *---------------------------------------------------------------------------*/
 112 void
 113 select_next_dialno(cfg_entry_t *cep)
 114 {
 115         if(cep->remote_numbers_count < 1)
 116         {
 117                 llog(LL_ERR, "select_next_dialno: remote_numbers_count < 1!");
 118                 return;
 119         }
 120
 121         if(cep->remote_numbers_count == 1)
 122         {
 123                 strcpy(cep->remote_phone_dialout.number, cep->remote_numbers[0].number);
 124                 strcpy(cep->remote_phone_dialout.subaddr, cep->remote_numbers[0].subaddr);
 125                 DBGL(DL_DIAL, (llog(LL_DBG, "select_next_dialno: only one no, no = %s", cep->remote_phone_dialout.number)));
 126                 cep->last_remote_number = 0;
 127                 return;
 128         }
 129
 130         /* mark last try as bad */
 131
 132         cep->remote_numbers[cep->last_remote_number].flag = RNF_IDLE;
 133
 134         /* next one to try */
 135
 136         cep->last_remote_number++;
 137
 138         if(cep->last_remote_number >= cep->remote_numbers_count)
 139                 cep->last_remote_number = 0;
 140
 141         strcpy(cep->remote_phone_dialout.number, cep->remote_numbers[cep->last_remote_number].number);
 142
 143         DBGL(DL_DIAL, (llog(LL_DBG, "select_next_dialno: index=%d, no=%s",
 144                 cep->last_remote_number,
 145                 cep->remote_numbers[cep->last_remote_number].number)));
 146 }
 147
 148 /*---------------------------------------------------------------------------*
 149  *      dial succeded, store this number as the last successful
 150  *---------------------------------------------------------------------------*/
 151 void
 152 select_this_dialno(cfg_entry_t *cep)
 153 {
 154         cep->remote_numbers[cep->last_remote_number].flag = RNF_SUCC;
 155
 156         DBGL(DL_DIAL, (llog(LL_DBG, "select_this_dialno: index = %d, no = %s",
 157                 cep->last_remote_number,
 158                 cep->remote_numbers[cep->last_remote_number].number)));
 159 }
 160
 161 /* EOF */