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osmo-ggsn
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osmo-ggsn/ggsn/cmdline.c

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/*
File autogenerated by gengetopt version 2.8
generated with the following command:
gengetopt --conf-parser
The developers of gengetopt consider the fixed text that goes in all
gengetopt output files to be in the public domain:
we make no copyright claims on it.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* If we use autoconf. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* Check for configure's getopt check result. */
#ifndef HAVE_GETOPT_LONG
#include "getopt.h"
#else
#include <getopt.h>
#endif
#ifndef HAVE_STRDUP
#define strdup gengetopt_strdup
#endif /* HAVE_STRDUP */
#include "cmdline.h"
void
cmdline_parser_print_version (void)
{
printf ("%s %s\n", PACKAGE, VERSION);
}
void
cmdline_parser_print_help (void)
{
cmdline_parser_print_version ();
printf("\n"
"Usage: %s [OPTIONS]...\n", PACKAGE);
printf(" -h --help Print help and exit\n");
printf(" -V --version Print version and exit\n");
printf(" -f --fg Run in foreground (default=off)\n");
printf(" -d --debug Run in debug mode (default=off)\n");
printf(" -cSTRING --conf=STRING Read configuration file (default='/etc/ggsn.conf')\n");
printf(" --pidfile=STRING Filename of process id file (default='/var/run/ggsn.pid')\n");
printf(" --statedir=STRING Directory of nonvolatile data (default='/var/lib/ggsn/')\n");
printf(" -lSTRING --listen=STRING Local interface\n");
printf(" -nSTRING --net=STRING Network (default='192.168.0.0')\n");
printf(" --mask=STRING Network mask (default='255.255.255.0')\n");
printf(" --timelimit=INT Exit after timelimit seconds (default='0')\n");
printf(" -aSTRING --apn=STRING Access point name (default='internet')\n");
printf(" -qINT --qos=INT Requested quality of service (default='0x0b921f')\n");
}
#ifndef HAVE_STRDUP
/* gengetopt_strdup(): automatically generated from strdup.c. */
/* strdup.c replacement of strdup, which is not standard */
static char *
gengetopt_strdup (const char *s)
{
char *result = (char*)malloc(strlen(s) + 1);
if (result == (char*)0)
return (char*)0;
strcpy(result, s);
return result;
}
#endif /* HAVE_STRDUP */
int
cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
{
int c; /* Character of the parsed option. */
int missing_required_options = 0;
args_info->help_given = 0 ;
args_info->version_given = 0 ;
args_info->fg_given = 0 ;
args_info->debug_given = 0 ;
args_info->conf_given = 0 ;
args_info->pidfile_given = 0 ;
args_info->statedir_given = 0 ;
args_info->listen_given = 0 ;
args_info->net_given = 0 ;
args_info->mask_given = 0 ;
args_info->timelimit_given = 0 ;
args_info->apn_given = 0 ;
args_info->qos_given = 0 ;
#define clear_args() { \
args_info->fg_flag = 0;\
args_info->debug_flag = 0;\
args_info->conf_arg = strdup("/etc/ggsn.conf") ;\
args_info->pidfile_arg = strdup("/var/run/ggsn.pid") ;\
args_info->statedir_arg = strdup("/var/lib/ggsn/") ;\
args_info->listen_arg = NULL; \
args_info->net_arg = strdup("192.168.0.0") ;\
args_info->mask_arg = strdup("255.255.255.0") ;\
args_info->timelimit_arg = 0 ;\
args_info->apn_arg = strdup("internet") ;\
args_info->qos_arg = 0x0b921f ;\
}
clear_args();
optarg = 0;
optind = 1;
opterr = 1;
optopt = '?';
while (1)
{
int option_index = 0;
char *stop_char;
static struct option long_options[] = {
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'V' },
{ "fg", 0, NULL, 'f' },
{ "debug", 0, NULL, 'd' },
{ "conf", 1, NULL, 'c' },
{ "pidfile", 1, NULL, 0 },
{ "statedir", 1, NULL, 0 },
{ "listen", 1, NULL, 'l' },
{ "net", 1, NULL, 'n' },
{ "mask", 1, NULL, 0 },
{ "timelimit", 1, NULL, 0 },
{ "apn", 1, NULL, 'a' },
{ "qos", 1, NULL, 'q' },
{ NULL, 0, NULL, 0 }
};
c = getopt_long (argc, argv, "hVfdc:l:n:a:q:", long_options, &option_index);
if (c == -1) break; /* Exit from `while (1)' loop. */
switch (c)
{
case 'h': /* Print help and exit. */
clear_args ();
cmdline_parser_print_help ();
exit (EXIT_SUCCESS);
case 'V': /* Print version and exit. */
clear_args ();
cmdline_parser_print_version ();
exit (EXIT_SUCCESS);
case 'f': /* Run in foreground. */
if (args_info->fg_given)
{
fprintf (stderr, "%s: `--fg' (`-f') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->fg_given = 1;
args_info->fg_flag = !(args_info->fg_flag);
break;
case 'd': /* Run in debug mode. */
if (args_info->debug_given)
{
fprintf (stderr, "%s: `--debug' (`-d') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->debug_given = 1;
args_info->debug_flag = !(args_info->debug_flag);
break;
case 'c': /* Read configuration file. */
if (args_info->conf_given)
{
fprintf (stderr, "%s: `--conf' (`-c') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->conf_given = 1;
args_info->conf_arg = strdup (optarg);
break;
case 'l': /* Local interface. */
if (args_info->listen_given)
{
fprintf (stderr, "%s: `--listen' (`-l') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->listen_given = 1;
args_info->listen_arg = strdup (optarg);
break;
case 'n': /* Network. */
if (args_info->net_given)
{
fprintf (stderr, "%s: `--net' (`-n') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->net_given = 1;
args_info->net_arg = strdup (optarg);
break;
case 'a': /* Access point name. */
if (args_info->apn_given)
{
fprintf (stderr, "%s: `--apn' (`-a') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->apn_given = 1;
args_info->apn_arg = strdup (optarg);
break;
case 'q': /* Requested quality of service. */
if (args_info->qos_given)
{
fprintf (stderr, "%s: `--qos' (`-q') option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->qos_given = 1;
args_info->qos_arg = strtol (optarg,&stop_char,0);
break;
case 0: /* Long option with no short option */
/* Filename of process id file. */
if (strcmp (long_options[option_index].name, "pidfile") == 0)
{
if (args_info->pidfile_given)
{
fprintf (stderr, "%s: `--pidfile' option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->pidfile_given = 1;
args_info->pidfile_arg = strdup (optarg);
break;
}
/* Directory of nonvolatile data. */
else if (strcmp (long_options[option_index].name, "statedir") == 0)
{
if (args_info->statedir_given)
{
fprintf (stderr, "%s: `--statedir' option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->statedir_given = 1;
args_info->statedir_arg = strdup (optarg);
break;
}
/* Network mask. */
else if (strcmp (long_options[option_index].name, "mask") == 0)
{
if (args_info->mask_given)
{
fprintf (stderr, "%s: `--mask' option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->mask_given = 1;
args_info->mask_arg = strdup (optarg);
break;
}
/* Exit after timelimit seconds. */
else if (strcmp (long_options[option_index].name, "timelimit") == 0)
{
if (args_info->timelimit_given)
{
fprintf (stderr, "%s: `--timelimit' option given more than once\n", PACKAGE);
clear_args ();
exit (EXIT_FAILURE);
}
args_info->timelimit_given = 1;
args_info->timelimit_arg = strtol (optarg,&stop_char,0);
break;
}
case '?': /* Invalid option. */
/* `getopt_long' already printed an error message. */
exit (EXIT_FAILURE);
default: /* bug: option not considered. */
fprintf (stderr, "%s: option unknown: %c\n", PACKAGE, c);
abort ();
} /* switch */
} /* while */
if ( missing_required_options )
exit (EXIT_FAILURE);
return 0;
}
#define CONFIGPARSERBUFSIZE 1024
int
cmdline_parser_configfile (char * const filename, struct gengetopt_args_info *args_info, int override)
{
FILE* file;
char linebuf[CONFIGPARSERBUFSIZE];
int line_num = 0;
int len;
int fnum;
char fopt[CONFIGPARSERBUFSIZE], farg[CONFIGPARSERBUFSIZE];
char *stop_char;
if ((file = fopen(filename, "r")) == NULL)
{
fprintf (stderr, "%s: Error opening configuration file '%s'\n",
PACKAGE, filename);
exit (EXIT_FAILURE);
}
while ((fgets(linebuf, CONFIGPARSERBUFSIZE, file)) != NULL)
{
++line_num;
len = strlen(linebuf);
if (len == CONFIGPARSERBUFSIZE-1)
{
fprintf (stderr, "%s: Line longer than %d characters found in configuration file '%s'\n",
PACKAGE, CONFIGPARSERBUFSIZE, filename);
exit (EXIT_FAILURE);
}
if (linebuf[0] == '#')
continue; /* Line was a comment */
/* Get the option */
if ((fnum = sscanf(linebuf, "%s %s", fopt, farg)) > 0)
{
if (!strcmp(fopt, "help"))
{
if (override || !args_info->help_given)
{
args_info->help_given = 1;
}
continue;
}
if (!strcmp(fopt, "version"))
{
if (override || !args_info->version_given)
{
args_info->version_given = 1;
}
continue;
}
if (!strcmp(fopt, "fg"))
{
if (override || !args_info->fg_given)
{
args_info->fg_given = 1;
args_info->fg_flag = !(args_info->fg_flag);
}
continue;
}
if (!strcmp(fopt, "debug"))
{
if (override || !args_info->debug_given)
{
args_info->debug_given = 1;
args_info->debug_flag = !(args_info->debug_flag);
}
continue;
}
if (!strcmp(fopt, "conf"))
{
if (override || !args_info->conf_given)
{
args_info->conf_given = 1;
if (fnum == 2)
args_info->conf_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "pidfile"))
{
if (override || !args_info->pidfile_given)
{
args_info->pidfile_given = 1;
if (fnum == 2)
args_info->pidfile_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "statedir"))
{
if (override || !args_info->statedir_given)
{
args_info->statedir_given = 1;
if (fnum == 2)
args_info->statedir_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "listen"))
{
if (override || !args_info->listen_given)
{
args_info->listen_given = 1;
if (fnum == 2)
args_info->listen_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "net"))
{
if (override || !args_info->net_given)
{
args_info->net_given = 1;
if (fnum == 2)
args_info->net_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "mask"))
{
if (override || !args_info->mask_given)
{
args_info->mask_given = 1;
if (fnum == 2)
args_info->mask_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "timelimit"))
{
if (override || !args_info->timelimit_given)
{
args_info->timelimit_given = 1;
if (fnum == 2)
args_info->timelimit_arg = strtol (farg,&stop_char,0);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "apn"))
{
if (override || !args_info->apn_given)
{
args_info->apn_given = 1;
if (fnum == 2)
args_info->apn_arg = strdup (farg);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
if (!strcmp(fopt, "qos"))
{
if (override || !args_info->qos_given)
{
args_info->qos_given = 1;
if (fnum == 2)
args_info->qos_arg = strtol (farg,&stop_char,0);
else
{
fprintf (stderr, "%s:%d: required <option_name> <option_val>\n",
filename, line_num);
exit (EXIT_FAILURE);
}
}
continue;
}
/* Tried all known options. This one is unknown! */
fprintf (stderr, "%s: Unknown option '%s' found in %s\n",
PACKAGE, fopt, filename);
exit (EXIT_FAILURE);
}
} /* while */
fclose(file); /* No error checking on close */
return 0;
}
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