Function main

Server/src/openbmp.cpp:556–625

* main function */

 * main function
 */
int main(int argc, char **argv) {
    Config cfg;

    // Process the command line args
    if (ReadCmdArgs(argc, argv, cfg)) {
        return 1;
    }

    if (cfg_filename != NULL) {
        try {
            cfg.load(cfg_filename);

        } catch (char const *str) {
            cout << "ERROR: Failed to load the configuration file: " << str << endl;
            return 2;
        }
    }

    // Make sure we have the required ARGS
    if (strlen(cfg.admin_id) <= 0) {
        cout << "ERROR: Missing required 'admin ID', use -c <config> or -a <string> to set the collector admin ID" << endl;
        return 2;
    }

    try {
        // Initialize logging
        logger = new Logger(log_filename, debug_filename);
    } catch (char const *str) {
        cout << "Failed to open log file for read/write : " << str << endl;
        return 2;
    }

    // Set up defaults for logging
    logger->setWidthFilename(15);
    logger->setWidthFunction(18);

    if (cfg.debug_general)
        logger->enableDebug();

    else if (not run_foreground){
        /*
        * Become a daemon if debug is not enabled
        */
        daemonize();
    }

    /*
     * Setup the signal handlers
     */
    struct sigaction sigact;
    sigact.sa_handler = signal_handler;
    sigact.sa_flags = 0;
    sigemptyset( &sigact.sa_mask);          // blocked signals while handler runs

    sigaction(SIGCHLD, &sigact, NULL);
    sigaction(SIGHUP, &sigact, NULL);
    sigaction(SIGTERM, &sigact, NULL);
    sigaction(SIGPIPE, &sigact, NULL);