1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
468 lines
9.8 KiB
C
468 lines
9.8 KiB
C
/******************************************************************************
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*
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* (C)Copyright 1998,1999 SysKonnect,
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* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
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*
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* See the file "skfddi.c" for further information.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The information in this file is provided "AS IS" without warranty.
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*
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******************************************************************************/
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/*
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parser for SMT parameters
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*/
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#include "h/types.h"
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#include "h/fddi.h"
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#include "h/smc.h"
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#include "h/smt_p.h"
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#define KERNEL
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#include "h/smtstate.h"
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#ifndef lint
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static const char ID_sccs[] = "@(#)smtparse.c 1.12 98/10/06 (C) SK " ;
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#endif
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#ifdef sun
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#define _far
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#endif
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/*
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* convert to BCLK units
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*/
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#define MS2BCLK(x) ((x)*12500L)
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#define US2BCLK(x) ((x/10)*125L)
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/*
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* parameter table
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*/
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static struct s_ptab {
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char *pt_name ;
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u_short pt_num ;
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u_short pt_type ;
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u_long pt_min ;
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u_long pt_max ;
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} ptab[] = {
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{ "PMFPASSWD",0, 0 } ,
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{ "USERDATA",1, 0 } ,
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{ "LERCUTOFFA",2, 1, 4, 15 } ,
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{ "LERCUTOFFB",3, 1, 4, 15 } ,
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{ "LERALARMA",4, 1, 4, 15 } ,
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{ "LERALARMB",5, 1, 4, 15 } ,
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{ "TMAX",6, 1, 5, 165 } ,
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{ "TMIN",7, 1, 5, 165 } ,
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{ "TREQ",8, 1, 5, 165 } ,
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{ "TVX",9, 1, 2500, 10000 } ,
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#ifdef ESS
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{ "SBAPAYLOAD",10, 1, 0, 1562 } ,
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{ "SBAOVERHEAD",11, 1, 50, 5000 } ,
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{ "MAXTNEG",12, 1, 5, 165 } ,
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{ "MINSEGMENTSIZE",13, 1, 0, 4478 } ,
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{ "SBACATEGORY",14, 1, 0, 0xffff } ,
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{ "SYNCHTXMODE",15, 0 } ,
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#endif
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#ifdef SBA
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{ "SBACOMMAND",16, 0 } ,
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{ "SBAAVAILABLE",17, 1, 0, 100 } ,
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#endif
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{ NULL }
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} ;
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/* Define maximum string size for values and keybuffer */
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#define MAX_VAL 40
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/*
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* local function declarations
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*/
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static u_long parse_num(int type, char _far *value, char *v, u_long mn,
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u_long mx, int scale);
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static int parse_word(char *buf, char _far *text);
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#ifdef SIM
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#define DB_MAIN(a,b,c) printf(a,b,c)
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#else
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#define DB_MAIN(a,b,c)
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#endif
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/*
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* BEGIN_MANUAL_ENTRY()
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*
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* int smt_parse_arg(struct s_smc *,char _far *keyword,int type,
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char _far *value)
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*
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* parse SMT parameter
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* *keyword
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* pointer to keyword, must be \0, \n or \r terminated
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* *value pointer to value, either char * or u_long *
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* if char *
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* pointer to value, must be \0, \n or \r terminated
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* if u_long *
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* contains binary value
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*
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* type 0: integer
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* 1: string
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* return
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* 0 parameter parsed ok
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* != 0 error
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* NOTE:
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* function can be called with DS != SS
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*
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*
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* END_MANUAL_ENTRY()
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*/
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int smt_parse_arg(struct s_smc *smc, char _far *keyword, int type,
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char _far *value)
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{
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char keybuf[MAX_VAL+1];
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char valbuf[MAX_VAL+1];
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char c ;
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char *p ;
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char *v ;
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char *d ;
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u_long val = 0 ;
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struct s_ptab *pt ;
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int st ;
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int i ;
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/*
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* parse keyword
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*/
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if ((st = parse_word(keybuf,keyword)))
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return(st) ;
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/*
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* parse value if given as string
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*/
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if (type == 1) {
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if ((st = parse_word(valbuf,value)))
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return(st) ;
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}
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/*
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* search in table
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*/
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st = 0 ;
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for (pt = ptab ; (v = pt->pt_name) ; pt++) {
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for (p = keybuf ; (c = *p) ; p++,v++) {
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if (c != *v)
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break ;
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}
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if (!c && !*v)
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break ;
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}
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if (!v)
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return(-1) ;
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#if 0
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printf("=>%s<==>%s<=\n",pt->pt_name,valbuf) ;
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#endif
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/*
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* set value in MIB
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*/
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if (pt->pt_type)
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val = parse_num(type,value,valbuf,pt->pt_min,pt->pt_max,1) ;
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switch (pt->pt_num) {
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case 0 :
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v = valbuf ;
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d = (char *) smc->mib.fddiPRPMFPasswd ;
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for (i = 0 ; i < (signed)sizeof(smc->mib.fddiPRPMFPasswd) ; i++)
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*d++ = *v++ ;
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DB_MAIN("SET %s = %s\n",pt->pt_name,smc->mib.fddiPRPMFPasswd) ;
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break ;
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case 1 :
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v = valbuf ;
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d = (char *) smc->mib.fddiSMTUserData ;
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for (i = 0 ; i < (signed)sizeof(smc->mib.fddiSMTUserData) ; i++)
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*d++ = *v++ ;
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DB_MAIN("SET %s = %s\n",pt->pt_name,smc->mib.fddiSMTUserData) ;
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break ;
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case 2 :
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smc->mib.p[PA].fddiPORTLer_Cutoff = (u_char) val ;
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DB_MAIN("SET %s = %d\n",
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pt->pt_name,smc->mib.p[PA].fddiPORTLer_Cutoff) ;
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break ;
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case 3 :
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smc->mib.p[PB].fddiPORTLer_Cutoff = (u_char) val ;
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DB_MAIN("SET %s = %d\n",
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pt->pt_name,smc->mib.p[PB].fddiPORTLer_Cutoff) ;
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break ;
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case 4 :
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smc->mib.p[PA].fddiPORTLer_Alarm = (u_char) val ;
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DB_MAIN("SET %s = %d\n",
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pt->pt_name,smc->mib.p[PA].fddiPORTLer_Alarm) ;
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break ;
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case 5 :
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smc->mib.p[PB].fddiPORTLer_Alarm = (u_char) val ;
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DB_MAIN("SET %s = %d\n",
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pt->pt_name,smc->mib.p[PB].fddiPORTLer_Alarm) ;
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break ;
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case 6 : /* TMAX */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.a[PATH0].fddiPATHT_MaxLowerBound =
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(u_long) -MS2BCLK((long)val) ;
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break ;
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case 7 : /* TMIN */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.m[MAC0].fddiMACT_Min =
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(u_long) -MS2BCLK((long)val) ;
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break ;
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case 8 : /* TREQ */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.a[PATH0].fddiPATHMaxT_Req =
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(u_long) -MS2BCLK((long)val) ;
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break ;
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case 9 : /* TVX */
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DB_MAIN("SET %s = %d \n",pt->pt_name,val) ;
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smc->mib.a[PATH0].fddiPATHTVXLowerBound =
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(u_long) -US2BCLK((long)val) ;
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break ;
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#ifdef ESS
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case 10 : /* SBAPAYLOAD */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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if (smc->mib.fddiESSPayload != val) {
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smc->ess.raf_act_timer_poll = TRUE ;
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smc->mib.fddiESSPayload = val ;
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}
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break ;
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case 11 : /* SBAOVERHEAD */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.fddiESSOverhead = val ;
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break ;
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case 12 : /* MAXTNEG */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.fddiESSMaxTNeg = (u_long) -MS2BCLK((long)val) ;
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break ;
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case 13 : /* MINSEGMENTSIZE */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.fddiESSMinSegmentSize = val ;
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break ;
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case 14 : /* SBACATEGORY */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.fddiESSCategory =
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(smc->mib.fddiESSCategory & 0xffff) |
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((u_long)(val << 16)) ;
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break ;
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case 15 : /* SYNCHTXMODE */
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/* do not use memcmp(valbuf,"ALL",3) because DS != SS */
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if (valbuf[0] == 'A' && valbuf[1] == 'L' && valbuf[2] == 'L') {
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smc->mib.fddiESSSynchTxMode = TRUE ;
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DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
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}
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/* if (!memcmp(valbuf,"SPLIT",5)) { */
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if (valbuf[0] == 'S' && valbuf[1] == 'P' && valbuf[2] == 'L' &&
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valbuf[3] == 'I' && valbuf[4] == 'T') {
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DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
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smc->mib.fddiESSSynchTxMode = FALSE ;
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}
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break ;
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#endif
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#ifdef SBA
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case 16 : /* SBACOMMAND */
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/* if (!memcmp(valbuf,"START",5)) { */
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if (valbuf[0] == 'S' && valbuf[1] == 'T' && valbuf[2] == 'A' &&
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valbuf[3] == 'R' && valbuf[4] == 'T') {
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DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
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smc->mib.fddiSBACommand = SB_START ;
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}
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/* if (!memcmp(valbuf,"STOP",4)) { */
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if (valbuf[0] == 'S' && valbuf[1] == 'T' && valbuf[2] == 'O' &&
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valbuf[3] == 'P') {
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DB_MAIN("SET %s = %s\n",pt->pt_name,valbuf) ;
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smc->mib.fddiSBACommand = SB_STOP ;
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}
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break ;
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case 17 : /* SBAAVAILABLE */
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DB_MAIN("SET %s = %d\n",pt->pt_name,val) ;
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smc->mib.fddiSBAAvailable = (u_char) val ;
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break ;
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#endif
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}
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return(0) ;
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}
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static int parse_word(char *buf, char _far *text)
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{
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char c ;
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char *p ;
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int p_len ;
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int quote ;
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int i ;
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int ok ;
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/*
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* skip leading white space
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*/
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p = buf ;
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for (i = 0 ; i < MAX_VAL ; i++)
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*p++ = 0 ;
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p = buf ;
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p_len = 0 ;
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ok = 0 ;
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while ( (c = *text++) && (c != '\n') && (c != '\r')) {
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if ((c != ' ') && (c != '\t')) {
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ok = 1 ;
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break ;
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}
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}
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if (!ok)
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return(-1) ;
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if (c == '"') {
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quote = 1 ;
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}
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else {
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quote = 0 ;
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text-- ;
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}
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/*
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* parse valbuf
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*/
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ok = 0 ;
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while (!ok && p_len < MAX_VAL-1 && (c = *text++) && (c != '\n')
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&& (c != '\r')) {
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switch (quote) {
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case 0 :
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if ((c == ' ') || (c == '\t') || (c == '=')) {
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ok = 1 ;
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break ;
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}
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*p++ = c ;
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p_len++ ;
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break ;
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case 2 :
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*p++ = c ;
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p_len++ ;
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quote = 1 ;
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break ;
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case 1 :
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switch (c) {
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case '"' :
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ok = 1 ;
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break ;
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case '\\' :
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quote = 2 ;
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break ;
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default :
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*p++ = c ;
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p_len++ ;
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}
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}
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}
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*p++ = 0 ;
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for (p = buf ; (c = *p) ; p++) {
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if (c >= 'a' && c <= 'z')
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*p = c + 'A' - 'a' ;
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}
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return(0) ;
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}
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static u_long parse_num(int type, char _far *value, char *v, u_long mn,
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u_long mx, int scale)
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{
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u_long x = 0 ;
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char c ;
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if (type == 0) { /* integer */
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u_long _far *l ;
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u_long u1 ;
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l = (u_long _far *) value ;
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u1 = *l ;
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/*
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* if the value is negative take the lower limit
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*/
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if ((long)u1 < 0) {
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if (- ((long)u1) > (long) mx) {
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u1 = 0 ;
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}
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else {
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u1 = (u_long) - ((long)u1) ;
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}
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}
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x = u1 ;
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}
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else { /* string */
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int sign = 0 ;
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if (*v == '-') {
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sign = 1 ;
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}
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while ((c = *v++) && (c >= '0') && (c <= '9')) {
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x = x * 10 + c - '0' ;
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}
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if (scale == 10) {
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x *= 10 ;
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if (c == '.') {
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if ((c = *v++) && (c >= '0') && (c <= '9')) {
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x += c - '0' ;
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}
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}
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}
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if (sign)
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x = (u_long) - ((long)x) ;
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}
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/*
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* if the value is negative
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* and the absolute value is outside the limits
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* take the lower limit
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* else
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* take the absoute value
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*/
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if ((long)x < 0) {
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if (- ((long)x) > (long) mx) {
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x = 0 ;
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}
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else {
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x = (u_long) - ((long)x) ;
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}
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}
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if (x < mn)
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return(mn) ;
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else if (x > mx)
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return(mx) ;
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return(x) ;
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}
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#if 0
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struct s_smc SMC ;
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main()
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{
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char *p ;
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char *v ;
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char buf[100] ;
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int toggle = 0 ;
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while (gets(buf)) {
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p = buf ;
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while (*p && ((*p == ' ') || (*p == '\t')))
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p++ ;
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while (*p && ((*p != ' ') && (*p != '\t')))
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p++ ;
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v = p ;
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while (*v && ((*v == ' ') || (*v == '\t')))
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v++ ;
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if ((*v >= '0') && (*v <= '9')) {
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toggle = !toggle ;
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if (toggle) {
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u_long l ;
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l = atol(v) ;
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smt_parse_arg(&SMC,buf,0,(char _far *)&l) ;
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}
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else
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smt_parse_arg(&SMC,buf,1,(char _far *)p) ;
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}
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else {
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smt_parse_arg(&SMC,buf,1,(char _far *)p) ;
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}
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}
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exit(0) ;
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}
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#endif
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