uts-server/src/cmd/uts-server.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <getopt.h>
#include <argp.h>
#include <sys/syslog.h>

const char *argp_program_version = UTS_VERSION;

const char *argp_program_bug_address = "Pierre-Francois Carpentier <carpentier.pf@gmail.com>";

static char doc[] = "\nUTS micro timestamp server (RFC 3161)";

static struct argp_option options[] = {
    {"conffile",   'c', "CONFFILE",   0, "Path to configuration file"},
    {"daemonize",  'd', 0,            0, "Launch as a daemon"},
    { 0 }
};

/* A description of the arguments we accept. */
static char args_doc[] = "-c CONFFILE -d";

struct arguments
{
    char *args[2];                /* arg1 & arg2 */
    int  daemonize;
    char *conffile;
};

static error_t parse_opt (int key, char *arg, struct argp_state *state)
{
    /* Get the input argument from argp_parse, which we
       know is a pointer to our arguments structure. */
    struct arguments *arguments = (struct arguments *)state->input;

    switch (key)
    {
        case 'd':
            arguments->daemonize   = 1;
            break;
        case 'c':
            arguments->conffile   = arg;
            break;
        default:
            return ARGP_ERR_UNKNOWN;
    }
    return 0;
}

/* Our argp parser. */
static struct argp argp = { options, parse_opt, args_doc, doc };


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

    struct arguments args;
    args.conffile  = NULL;
    args.daemonize = 0;
    argp_parse (&argp, argc, argv, 0, 0, &args);

    //skeleton_daemon();

    while (1)
    {
        //TODO: Insert daemon code here.
        syslog (LOG_NOTICE, "First daemon started.");
        sleep (20);
        break;
    }

    syslog (LOG_NOTICE, "First daemon terminated.");
    closelog();

    return EXIT_SUCCESS;
}