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openairinterface5g/common/config/config_cmdline.c
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laurent d6d4d87e0b code review comments
2022-08-18 16:43:26 +02:00

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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file common/config/cmdline/config_libconfig.c
* \brief configuration module, command line parsing implementation
* \author Francois TABURET
* \date 2017
* \version 0.1
* \company NOKIA BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#define _GNU_SOURCE
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <platform_types.h>
#include "config_userapi.h"
#include "../utils/LOG/log.h"
int parse_stringlist(paramdef_t *cfgoptions, char *val) {
char *atoken;
char *tokctx = NULL;
char *tmpval=strdup(val);
int numelt=0;
cfgoptions->numelt=0;
atoken=strtok_r(tmpval, ",",&tokctx);
while(atoken != NULL) {
numelt++ ;
atoken=strtok_r(NULL, ",",&tokctx);
}
free(tmpval);
AssertFatal(MAX_LIST_SIZE > numelt,
"This piece of code use fixed size arry of constant #define MAX_LIST_SIZE %d\n",
MAX_LIST_SIZE );
config_check_valptr(cfgoptions, sizeof(char*), numelt);
cfgoptions->numelt=numelt;
atoken=strtok_r(val, ",",&tokctx);
for( int i=0; i<cfgoptions->numelt && atoken != NULL ; i++) {
snprintf(cfgoptions->strlistptr[i],DEFAULT_EXTRA_SZ,"%s",atoken);
printf_params("[LIBCONFIG] %s[%i]: %s\n", cfgoptions->optname,i,cfgoptions->strlistptr[i]);
atoken=strtok_r(NULL, ",",&tokctx);
}
return (cfgoptions->numelt > 0);
}
int processoption(paramdef_t *cfgoptions, char *value) {
char *tmpval = value;
int optisset=0;
char defbool[2]="1";
if ( value == NULL) {
if( (cfgoptions->paramflags &PARAMFLAG_BOOL) == 0 ) { /* not a boolean, argument required */
CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires an argument\n",cfgoptions->optname);
} else { /* boolean value option without argument, set value to true*/
tmpval = defbool;
}
}
switch(cfgoptions->type) {
char *charptr;
case TYPE_STRING:
if (cfgoptions->numelt == 0 )
config_check_valptr(cfgoptions, 1,
strlen(tmpval)+1);
if (cfgoptions->numelt < (strlen(tmpval)+1)) {
CONFIG_PRINTF_ERROR("[CONFIG] command line option %s value too long\n",
cfgoptions->optname);
}
snprintf(*cfgoptions->strptr, cfgoptions->numelt ,"%s",tmpval);
printf_cmdl("[CONFIG] %s set to %s from command line\n", cfgoptions->optname, tmpval);
optisset=1;
break;
case TYPE_STRINGLIST:
optisset=parse_stringlist(cfgoptions,tmpval);
break;
case TYPE_UINT32:
case TYPE_INT32:
case TYPE_UINT16:
case TYPE_INT16:
case TYPE_UINT8:
case TYPE_INT8:
config_check_valptr(cfgoptions, sizeof(*cfgoptions->iptr), 1);
config_assign_int(cfgoptions,cfgoptions->optname,(int32_t)strtol(tmpval,&charptr,0));
if( *charptr != 0) {
CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires an integer argument\n",cfgoptions->optname);
}
optisset=1;
break;
case TYPE_UINT64:
case TYPE_INT64:
config_check_valptr(cfgoptions, sizeof(*cfgoptions->i64ptr), 1);
*(cfgoptions->i64ptr)=strtoll(tmpval,&charptr,0);
if( *charptr != 0) {
CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires an integer argument\n",cfgoptions->optname);
}
printf_cmdl("[CONFIG] %s set to %lli from command line\n", cfgoptions->optname, (long long)*cfgoptions->i64ptr);
optisset=1;
break;
case TYPE_UINTARRAY:
case TYPE_INTARRAY:
break;
case TYPE_DOUBLE:
config_check_valptr(cfgoptions, sizeof(*cfgoptions->dblptr), 1);
*cfgoptions->dblptr = strtof(tmpval,&charptr);
if( *charptr != 0) {
CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires a double argument\n",cfgoptions->optname);
}
printf_cmdl("[CONFIG] %s set to %lf from command line\n", cfgoptions->optname, *(cfgoptions->dblptr));
optisset=1;
break;
case TYPE_IPV4ADDR:
break;
default:
CONFIG_PRINTF_ERROR("[CONFIG] command line, %s type %i not supported\n",cfgoptions->optname, cfgoptions->type);
break;
} /* switch on param type */
if (optisset == 1) {
cfgoptions->paramflags = cfgoptions->paramflags | PARAMFLAG_PARAMSET;
}
return optisset;
}
/*--------------------------------------------------------------------*/
/* check unknown options in the command line
*/
int config_check_unknown_cmdlineopt(char *prefix) {
int unknowndetected=0;
char testprefix[CONFIG_MAXOPTLENGTH];
int finalcheck = 0;
memset(testprefix,0,sizeof(testprefix));
memset(testprefix,0,sizeof(testprefix));
if (prefix != NULL) {
if (strcmp(prefix,CONFIG_CHECKALLSECTIONS) == 0)
finalcheck = 1;
else if (strlen(prefix) > 0) {
sprintf(testprefix,"--%.*s.",CONFIG_MAXOPTLENGTH-4,prefix);
}
}
for (int i=1; i<config_get_if()->argc ; i++) {
if ( !finalcheck && strstr(config_get_if()->argv[i],testprefix) == NULL ) continue;
if ( !finalcheck && testprefix[0]==0 && index(config_get_if()->argv[i],'.') != NULL) continue;
if ( !finalcheck && isdigit(config_get_if()->argv[i][0])) continue;
if ( !finalcheck && config_get_if()->argv[i][0] == '-' && isdigit(config_get_if()->argv[i][1])) continue;
if ( (config_get_if()->argv_info[i] & CONFIG_CMDLINEOPT_PROCESSED) == 0 ) {
fprintf(stderr,"[CONFIG] unknown option: %s\n",
config_get_if()->argv[i] );
unknowndetected++;
}
}
if (unknowndetected > 0) {
CONFIG_PRINTF_ERROR("[CONFIG] %i unknown option(s) in command line starting with %s (section %s)\n",
unknowndetected,testprefix,((prefix==NULL)?"":prefix));
}
return unknowndetected;
} /* config_check_unknown_cmdlineopt */
int config_process_cmdline(paramdef_t *cfgoptions,int numoptions, char *prefix) {
int c = config_get_if()->argc;
int i,j;
char *pp;
char cfgpath[CONFIG_MAXOPTLENGTH];
j = 0;
i = 0;
while (c > 0 ) {
char *oneargv = strdup(config_get_if()->argv[i]); /* we use strtok_r which modifies its string paramater, and we don't want argv to be modified */
if(!oneargv) abort();
/* first check help options, either --help, -h or --help_<section> */
if (strncmp(oneargv, "-h",2) == 0 || strncmp(oneargv, "--help",6) == 0 ) {
char *tokctx = NULL;
pp=strtok_r(oneargv, "_",&tokctx);
config_get_if()->argv_info[i] |= CONFIG_CMDLINEOPT_PROCESSED;
if (pp == NULL || strcasecmp(pp,config_get_if()->argv[i] ) == 0 ) {
if( prefix == NULL) {
config_printhelp(cfgoptions,numoptions,"(root section)");
if ( ! ( CONFIG_ISFLAGSET(CONFIG_NOEXITONHELP)))
exit_fun("[CONFIG] Exiting after displaying help\n");
}
} else {
pp=strtok_r(NULL, " ",&tokctx);
if ( prefix != NULL && pp != NULL && strncasecmp(prefix,pp,strlen(pp)) == 0 ) {
config_printhelp(cfgoptions,numoptions,prefix);
if ( ! (CONFIG_ISFLAGSET(CONFIG_NOEXITONHELP))) {
fprintf(stderr,"[CONFIG] %s %i section %s:", __FILE__, __LINE__, prefix);
exit_fun(" Exiting after displaying help\n");
}
}
}
}
/* now, check for non help options */
if (oneargv[0] == '-') {
for(int n=0; n<numoptions; n++) {
if ( ( cfgoptions[n].paramflags & PARAMFLAG_DISABLECMDLINE) != 0) {
continue;
}
if (prefix != NULL) {
sprintf(cfgpath,"%s.%s",prefix,cfgoptions[n].optname);
} else {
sprintf(cfgpath,"%s",cfgoptions[n].optname);
}
if ( ((strlen(oneargv) == 2) && (strcmp(oneargv + 1,cfgpath) == 0)) || /* short option, one "-" */
((strlen(oneargv) > 2) && (strcmp(oneargv + 2,cfgpath ) == 0 )) || /* long option beginning with "--" */
((strlen(oneargv) == 2) && (strcmp(oneargv + 1,cfgoptions[n].optname) == 0) && (cfgoptions[n].paramflags & PARAMFLAG_CMDLINE_NOPREFIXENABLED )) ||
((strlen(oneargv) > 2) && (strcmp(oneargv + 2, cfgoptions[n].optname) == 0 ) && (cfgoptions[n].paramflags & PARAMFLAG_CMDLINE_NOPREFIXENABLED )) ) {
char *valptr=NULL;
int ret;
config_get_if()->argv_info[i] |= CONFIG_CMDLINEOPT_PROCESSED;
if (c > 0) {
pp = config_get_if()->argv[i+1];
if (pp != NULL ) {
ret = strlen(pp);
if (ret > 0 ) {
if (pp[0] != '-')
valptr=pp;
else if ( ret > 1 && pp[0] == '-' && isdigit(pp[1]) )
valptr=pp;
}
}
}
j += processoption(&(cfgoptions[n]), valptr);
if ( valptr != NULL ) {
i++;
config_get_if()->argv_info[i] |= CONFIG_CMDLINEOPT_PROCESSED;
c--;
}
break;
}
} /* for n... */
} /* if (oneargv[0] == '-') */
free(oneargv);
i++;
c--;
} /* fin du while */
printf_cmdl("[CONFIG] %s %i options set from command line\n",((prefix == NULL) ? "(root)":prefix),j);
return j;
} /* parse_cmdline*/
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