mbpfan/src/main.c

/**
 *  Copyright (C) (2012) Daniel Graziotin <dgraziotin@task3.cc>
 *
 *  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.
 *
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "mbpfan.h"
#include "daemon.h"
#include "global.h"

int daemonize = 1;
int verbose = 0;

const char *program_name = "mbpfan";
const char *program_pid = "/var/run/mbpfan.pid";

void print_usage(int argc, char *argv[])
{
        if (argc >=1) {
                printf("Usage: %s OPTION(S) \n", argv[0]);
                printf("Options:\n");
                printf("\t-h Show this help screen\n");
                printf("\t-f Run in foreground\n");
                printf("\t-v Be (a lot) verbose\n");
                printf("\n");
        }
}

int main(int argc, char *argv[])
{

        int c;
        while( (c = getopt(argc, argv, "hfv|help")) != -1) {
                switch(c) {
                case 'h':
                        print_usage(argc, argv);
                        exit(0);
                        break;
                case 'f':
                        daemonize = 0;
                        break;
                case 'v':
                        verbose = 1;
                        break;
                default:
                        print_usage(argc, argv);
                        exit(0);
                        break;
                }
        }

        // pointer to mbpfan() function in mbpfan.c
        void (*mbpfan)() = mbpfan;
        go_daemon(mbpfan);
        exit(0);
}