474 lines
10 KiB
C
474 lines
10 KiB
C
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/*
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* Copyright (c) 1997 Gary Jennejohn. All rights reserved.
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*
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* Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* 4. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software and/or documentation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* i4b daemon - charging rates description file handling
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* -----------------------------------------------------
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*
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* $Id: rates.c,v 1.7 1998/12/05 18:03:34 hm Exp $
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*
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* last edit-date: [Sat Dec 5 18:11:55 1998]
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*
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*---------------------------------------------------------------------------*/
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static char error[256];
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#ifdef PARSE_DEBUG_MAIN
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#include <stdio.h>
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#define MAIN
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#define ERROR (-1)
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int main()
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{
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int ret;
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ret = readrates("/etc/isdn/isdnd.rates");
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if(ret == ERROR)
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fprintf(stderr, "readrates returns [%d], [%s]\n", ret, error);
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else
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fprintf(stderr, "readrates returns [%d]\n", ret);
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return(ret);
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}
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#endif
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#include "isdnd.h"
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static int getrate(cfg_entry_t *cep);
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/*---------------------------------------------------------------------------*
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* parse rates file
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*---------------------------------------------------------------------------*/
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int
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readrates(char *filename)
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{
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char buffer[1024];
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register char *bp;
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struct rates *rt, *ort;
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int rateindx;
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int indx;
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int line = 0;
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FILE *fp;
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int first;
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#if DEBUG
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int i, j;
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#endif
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indx = 0;
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rt = ort = NULL;
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if((fp = fopen(filename, "r")) == NULL)
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{
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sprintf(error, "error open %s: %s", filename, sys_errlist[errno]);
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rate_error = error;
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return(WARNING);
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}
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while((fgets(buffer, MAXPATHLEN, fp)) != NULL)
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{
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line++;
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/* comments */
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if(buffer[0] == '#' || buffer[0] == ' ' ||
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buffer[0] == '\t' || buffer[0] == '\n')
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{
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continue;
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}
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bp = &buffer[0];
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/* rate type */
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if (*bp == 'r' && *(bp+1) == 'a' && isdigit(*(bp+2)))
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{
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rateindx = *(bp+2) - '0';
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bp += 3;
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/* eat space delimiter */
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while(isspace(*bp))
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bp++;
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}
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else
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{
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sprintf(error, "rates: invalid rate type %c%c%c in line %d", *bp, *(bp+1), *(bp+2), line);
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goto rate_error;
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}
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if (rateindx >= NRATES)
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{
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sprintf(error, "rates: invalid rate index %d in line %d", rateindx, line);
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goto rate_error;
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}
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/* day */
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if(isdigit(*bp) && *bp >= '0' && *bp <= '6')
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{
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indx = *bp - '0';
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DBGL(DL_RATES, (log(LL_DBG, "rates: index = %d", indx)));
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}
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else
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{
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sprintf(error, "rates: invalid day digit %c in line %d", *bp, line);
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goto rate_error;
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}
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if(rates[rateindx][indx] == NULL)
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{
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rt = (struct rates *)malloc(sizeof (struct rates));
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if (rt == NULL)
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{
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sprintf(error, "rates: cannot malloc space for rate structure");
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goto rate_error;
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}
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rt->next = NULL;
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rates[rateindx][indx] = rt;
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}
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bp++;
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/* eat space delimiter */
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while(isspace(*bp))
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bp++;
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/* now loop to get the rates entries */
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first = 1;
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while(*bp && isdigit(*bp))
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{
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if(first)
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{
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first = 0;
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}
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else
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{
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ort = rt;
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rt = (struct rates *)malloc(sizeof (struct rates));
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if (rt == NULL)
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{
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sprintf(error, "rates: cannot malloc space2 for rate structure");
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goto rate_error;
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}
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ort->next = rt;
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rt->next = NULL;
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}
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/* start hour */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->start_hr = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: start_hr error in line %d", line);
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goto rate_error;
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}
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/* point */
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if(*bp == '.')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no '.' after start_hr in line %d", line);
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goto rate_error;
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}
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/* start minute */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->start_min = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: start_min error in line %d", line);
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goto rate_error;
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}
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/* minus */
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if(*bp == '-')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no '-' after start_min in line %d", line);
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goto rate_error;
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}
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/* end hour */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->end_hr = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: end_hr error in line %d", line);
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goto rate_error;
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}
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/* point */
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if(*bp == '.')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no '.' after end_hr in line %d", line);
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goto rate_error;
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}
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/* end minute */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->end_min = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: end_min error in line %d", line);
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goto rate_error;
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}
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/* colon */
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if(*bp == ':')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no ':' after end_min in line %d", line);
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goto rate_error;
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}
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/* time */
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if(isdigit(*bp))
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{
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rt->rate = atoi(bp);
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while(!isspace(*bp))
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bp++;
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}
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else
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{
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sprintf(error, "rates: first rate digit error in line %d", line);
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goto rate_error;
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}
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/* eat space delimiter */
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while(isspace(*bp))
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bp++;
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}
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}
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#if DEBUG
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if(debug_flags & DL_RATES)
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{
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for (j = 0; j < NRATES; j++)
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{
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for (i = 0; i < NDAYS; i++)
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{
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if (rates [j][i] != NULL)
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{
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rt = rates [j][i];
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for (; rt; rt = rt->next)
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{
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log(LL_DBG, "rates: index %d day %d = %d.%d-%d.%d:%d",
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j, i, rt->start_hr, rt->start_min,
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rt->end_hr,rt->end_min,rt->rate);
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}
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}
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else
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{
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log(LL_DBG, "rates: NO entry for day %d !!\n", i);
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}
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}
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}
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}
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#endif
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fclose(fp);
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return(GOOD);
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rate_error:
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fclose(fp);
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rate_error = error;
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return(ERROR);
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}
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#ifndef PARSE_DEBUG_MAIN
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/*---------------------------------------------------------------------------*
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* get unit length time from configured source
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*---------------------------------------------------------------------------*/
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int
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get_current_rate(cfg_entry_t *cep, int logit)
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{
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int rt;
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switch(cep->unitlengthsrc)
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{
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case ULSRC_CMDL: /* specified on commandline */
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (cmdl)",
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cep->cdid, cep->name, unit_length);
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return(unit_length);
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break;
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case ULSRC_CONF: /* get it from config file */
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (conf)",
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cep->cdid, cep->name, cep->unitlength);
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return(cep->unitlength);
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case ULSRC_RATE: /* get it dynamic from ratesfile*/
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if(!got_rate) /* got valid rates struct ?? */
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (no ratefile)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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}
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if((cep->ratetype >= NRATES) ||
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(cep->ratetype == INVALID_RATE))
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (rate out of range)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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}
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if((rt = getrate(cep)) != -1)
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (rate)",
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cep->cdid, cep->name, rt);
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return(rt);
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}
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (ratescan fail)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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break;
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case ULSRC_DYN: /* dynamically calculated from AOC */
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if((rt = getrate(cep)) != -1)
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (aocd, rate)",
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cep->cdid, cep->name, rt);
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return(rt);
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}
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (aocd, default)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if(logit)
|
||
|
|
log(LL_CHD, "%05d %s rate %d sec/unit (unitlen unknown)",
|
||
|
|
cep->cdid, cep->name, UNITLENGTH_DEFAULT);
|
||
|
|
|
||
|
|
return(UNITLENGTH_DEFAULT);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------*
|
||
|
|
* get the currently active rate
|
||
|
|
*---------------------------------------------------------------------------*/
|
||
|
|
static int
|
||
|
|
getrate(cfg_entry_t *cep)
|
||
|
|
{
|
||
|
|
struct tm *ptr;
|
||
|
|
time_t now;
|
||
|
|
register struct rates *hd;
|
||
|
|
|
||
|
|
if((!got_rate) ||
|
||
|
|
(cep->ratetype >= NRATES) ||
|
||
|
|
(cep->ratetype == INVALID_RATE))
|
||
|
|
{
|
||
|
|
return(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
time(&now); /* get current time */
|
||
|
|
|
||
|
|
ptr = localtime(&now);
|
||
|
|
|
||
|
|
/* walk thru the rates for weekday until rate for current time found */
|
||
|
|
|
||
|
|
for (hd = rates[cep->ratetype][ptr->tm_wday]; hd; hd = hd->next)
|
||
|
|
{
|
||
|
|
/* current time within window ? */
|
||
|
|
if((hd->start_hr <= ptr->tm_hour) &&
|
||
|
|
(hd->end_hr > ptr->tm_hour))
|
||
|
|
{
|
||
|
|
DBGL(DL_RATES, (log(LL_DBG, "rate=%d sec/unit (day=%d, beg=%d, end=%d, current=%d)",
|
||
|
|
hd->rate,
|
||
|
|
ptr->tm_wday,
|
||
|
|
hd->start_hr,
|
||
|
|
hd->end_hr,
|
||
|
|
ptr->tm_hour)));
|
||
|
|
|
||
|
|
return (hd->rate);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* PARSE_DEBUG_MAIN */
|
||
|
|
|
||
|
|
/* EOF */
|