system/handleCmdLine.c

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#include <unistd.h>     /* for getopt */
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "../include/appConfig.h"


int
handleCmdLine(tAppConfig * config, int argc, char *argv[])
{
    int opt;

    while ((opt = getopt(argc, argv, "Dvp:l:n:b:")) != -1) {
        switch (opt) {
            case 'p':
                /* port */
                config->port = atoi(optarg);
                break;

            case 'l':
                /* logPath */
                strncpy(config->logPath, optarg, sizeof(config->logPath)-1);
                break;

            case 'n':
                /* logNamePattern */
                strncpy(config->namePat, optarg, sizeof(config->namePat)-1);
                break;

            case 'b':
                /* maxPending (connection backlog) */
                config->maxPending = atoi(optarg);
                break;

            case 'v':
                /* verbose */
                config->verbose = 1;
                break;

            case 'D':
                /* verbose */
                config->doDaemon = 1;
                break;

            default:
                /* '?' */
                fprintf(
                        stderr,
                        "Usage: %s [-p port] [-l logPath] [-n logNamePattern] [-c maxClient] [-b backlog] [-v] [-D]\n"
                        "Defaults:\n"
                        "\t%-20s: port this service will use [%d]\n"
                        "\t%-20s: path where the logfiles will be stored [%s/]\n"
                        "\t%-20s: patten used by strftime to create the log filename [%s]\n"
                        "\t%-20s: maximum connection backlog [%d]\n"
                        "\t%-20s: be more verbose in syslog [off]\n"
                        "\t%-20s: deamonize me\n",
                        argv[0],
                        "-p port", DEFAULTPORT,
                        "-l logPath", DEFAULTPATH,
                        "-n logNamePattern", LOGNAMEPATTERN,
                        "-b backlog", MAXPENDING,
                        "-v",
                        "-D");
                exit(EXIT_FAILURE);
        }
    }

    return 0;
}

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