Function main

pengine/main.c:112–178

/* *INDENT-ON* */

int
main(int argc, char **argv)
{
    int flag;
    int index = 0;
    int argerr = 0;

    crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
    crm_set_options(NULL, "[options]",
                    long_options, "Daemon for calculating the cluster's response to events");

    mainloop_add_signal(SIGTERM, pengine_shutdown);

    while (1) {
        flag = crm_get_option(argc, argv, &index);
        if (flag == -1)
            break;

        switch (flag) {
            case 'V':
                crm_bump_log_level(argc, argv);
                break;
            case 'h':          /* Help message */
                crm_help('?', EX_OK);
                break;
            default:
                ++argerr;
                break;
        }
    }

    if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) {
        pe_metadata();
        return 0;
    }

    if (optind > argc) {
        ++argerr;
    }

    if (argerr) {
        crm_help('?', EX_USAGE);
    }

    if (crm_is_writable(PE_STATE_DIR, NULL, CRM_DAEMON_USER, CRM_DAEMON_GROUP, FALSE) == FALSE) {
        crm_err("Bad permissions on " PE_STATE_DIR ". Terminating");
        fprintf(stderr, "ERROR: Bad permissions on " PE_STATE_DIR ". See logs for details\n");
        fflush(stderr);
        return 100;
    }

    crm_debug("Init server comms");
    ipcs = mainloop_add_ipc_server(CRM_SYSTEM_PENGINE, QB_IPC_SHM, &ipc_callbacks);
    if (ipcs == NULL) {
        crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
        crm_exit(100);
    }