mirror of
https://github.com/eddyem/eddys_snippets.git
synced 2025-12-06 02:35:12 +03:00
90 lines
3.2 KiB
C
90 lines
3.2 KiB
C
/*
|
|
* This file is part of the SocketCAN project.
|
|
* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <usefull_macros.h>
|
|
|
|
#include "cmdlnopts.h"
|
|
|
|
|
|
/*
|
|
* here are global parameters initialisation
|
|
*/
|
|
static int help;
|
|
glob_pars G;
|
|
|
|
// DEFAULTS
|
|
// default global parameters
|
|
static glob_pars const Gdefault = {
|
|
.pidfile = DEFAULT_PIDFILE,
|
|
.port = DEFAULT_PORT,
|
|
.cert = "cert.pem",
|
|
.key = "cert.key",
|
|
};
|
|
|
|
/*
|
|
* Define command line options by filling structure:
|
|
* name has_arg flag val type argptr help
|
|
*/
|
|
static myoption cmdlnopts[] = {
|
|
// common options
|
|
{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), _("show this help")},
|
|
{"logfile", NEED_ARG, NULL, 'l', arg_string, APTR(&G.logfile), _("file to save logs")},
|
|
{"pidfile", NEED_ARG, NULL, 'P', arg_string, APTR(&G.pidfile), _("pidfile (default: " DEFAULT_PIDFILE ")")},
|
|
{"certificate",NEED_ARG,NULL, 'c', arg_string, APTR(&G.cert), _("path to SSL sertificate (default: cert.pem)")},
|
|
{"key", NEED_ARG, NULL, 'k', arg_string, APTR(&G.key), _("path to SSL key (default: cert.key)")},
|
|
{"ca", NEED_ARG, NULL, 'a', arg_string, APTR(&G.ca), _("path to SSL ca (default: ca.pem)")},
|
|
{"port", NEED_ARG, NULL, 'p', arg_string, APTR(&G.port), _("port to open (default: " DEFAULT_PORT ")")},
|
|
{"verbose", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verbose), _("increase log verbose level (default: LOG_WARN)")},
|
|
#ifdef SERVER
|
|
#endif
|
|
#ifdef CLIENT
|
|
{"server", NEED_ARG, NULL, 'i', arg_string, APTR(&G.serverhost), _("server IP address")},
|
|
#endif
|
|
end_option
|
|
};
|
|
|
|
/**
|
|
* Parse command line options and return dynamically allocated structure
|
|
* to global parameters
|
|
* @param argc - copy of argc from main
|
|
* @param argv - copy of argv from main
|
|
*/
|
|
void parse_args(int argc, char **argv){
|
|
int i;
|
|
void *ptr;
|
|
ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
|
|
size_t hlen = 1024;
|
|
char helpstring[1024], *hptr = helpstring;
|
|
snprintf(hptr, hlen, "Usage: %%s [args]\n\n\tWhere args are:\n");
|
|
// format of help: "Usage: progname [args]\n"
|
|
change_helpstring(helpstring);
|
|
// parse arguments
|
|
parseargs(&argc, &argv, cmdlnopts);
|
|
if(help) showhelp(-1, cmdlnopts);
|
|
if(argc > 0){
|
|
red("Ignored options:\n");
|
|
for (i = 0; i < argc; i++)
|
|
printf("\t%s\n", argv[i]);
|
|
}
|
|
}
|
|
|