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95 lines
3.9 KiB
C
95 lines
3.9 KiB
C
/* geany_encoding=koi8-r
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* cmdlnopts.c - the only function that parse cmdln args and returns glob parameters
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*
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* Copyright 2018 Edward V. Emelianoff <eddy@sao.ru>
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <strings.h>
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#include <usefull_macros.h>
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#include "cmdlnopts.h"
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#include "term.h"
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/*
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* here are global parameters initialisation
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*/
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int help;
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static glob_pars G;
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// default values for Gdefault & help
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#define DEFAULT_SOCKPATH "\0canbus"
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#define DEFAULT_PORT "4444"
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#define DEFAULT_PIDFILE "/tmp/TSYS01daemon.pid"
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// DEFAULTS
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// default global parameters
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glob_pars const Gdefault = {
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.sockname = DEFAULT_SOCKPATH,
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.port = DEFAULT_PORT,
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.adjfilename = "tempadj.txt",
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.pidfilename = DEFAULT_PIDFILE
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};
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/*
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* Define command line options by filling structure:
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* name has_arg flag val type argptr help
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*/
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static myoption cmdlnopts[] = {
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// common options
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{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), _("show this help")},
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{"name", NEED_ARG, NULL, 'n', arg_string, APTR(&G.sockname), _("server's UNIX socket name (default: \\0canbus)")},
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{"port", NEED_ARG, NULL, 'p', arg_string, APTR(&G.port), _("network port to connect (default: " DEFAULT_PORT ")")},
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//{"terminal",NO_ARGS, NULL, 't', arg_int, APTR(&G.terminal), _("run as terminal")},
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{"savepath",NEED_ARG, NULL, 's', arg_string, APTR(&G.savepath), _("path where files would be saved (if none - don't save)")},
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{"graphplot",NO_ARGS, NULL, 'g', arg_int, APTR(&G.makegraphs),_("make graphics with gnuplot")},
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{"testadjfile",NO_ARGS, NULL, 'T', arg_int, APTR(&G.testadjfile),_("test format of file with T adjustements")},
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{"adjname", NEED_ARG, NULL, 'N', arg_string, APTR(&G.adjfilename),_("name of adjustements file (default: tempadj.txt)")},
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{"pidfile", NEED_ARG, NULL, 'P', arg_string, APTR(&G.pidfilename),_("name of PID file (default: " DEFAULT_PIDFILE ")")},
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{"verbose", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verblevel), _("increase log file verbose level (default: warn)")},
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//{"dumpoff", NO_ARGS, NULL, 'd', arg_string, APTR(&G.dumpoff), _("dump sensors data & turn all OFF until next request")},
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end_option
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};
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/**
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* Parse command line options and return dynamically allocated structure
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* to global parameters
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* @param argc - copy of argc from main
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* @param argv - copy of argv from main
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* @return allocated structure with global parameters
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*/
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glob_pars *parse_args(int argc, char **argv){
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int i;
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void *ptr;
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ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
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// format of help: "Usage: progname [args]\n"
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change_helpstring("Usage: %s [args] [logfile name]\n\n\tWhere args are:\n");
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// parse arguments
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parseargs(&argc, &argv, cmdlnopts);
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if(help) showhelp(-1, cmdlnopts);
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if(argc > 0){
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G.rest_pars_num = argc;
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G.rest_pars = calloc(argc, sizeof(char*));
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for (i = 0; i < argc; i++)
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G.rest_pars[i] = strdup(argv[i]);
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}
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return &G;
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}
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