/* join_worker_args.c -- xce-test-cli-ux task 2.6 remediation (bug-1557 fix)
 *
 * See join_worker_args.h for the full extraction rationale. Verbatim
 * extraction of test.c's cmd_join_worker() parsing/defaulting block -- no
 * behavior change from the pre-extraction version.
 */
#include "join_worker_args.h"

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h> /* getopt, optarg, optind */

int join_worker_parse_attrs(int argc, char* argv[], hostattrs_t* attrs)
{
    int opt;

    if (attrs == NULL) {
        return -EINVAL;
    }

    /* bug-1557: maxmem is bytes-canonical (see resources.yaml, hardware_
     * monitor.c's total_memory) -- this default used to read plain "64"
     * back when maxmem was MB-scale (64 MB); an earlier session converted
     * the codebase's canonical unit to bytes but missed this test-tool
     * default, leaving it at a nonsensical 64 BYTES. Expressed here as
     * 64 * 1024 * 1024 (64MB in bytes) to preserve the original intent,
     * matching this file's own byte-constant convention (see test.c's
     * main() `logsize = 64 * 1024 * 1024`). */
    attrs->cpufactor = 1.0;
    attrs->maxcpus   = 4;
    attrs->maxmem    = 64 * 1024 * 1024;
    attrs->maxswap   = 1024;
    attrs->maxtmp    = 2048;
    attrs->ndisks    = 1;

    attrs->hostmodel = "Intel64";
    attrs->hosttype  = "LINUX64";

    optind = 1;

    while ((opt = getopt(argc, argv, "f:c:m:s:t:d:")) != -1) {
        switch (opt) {
        case 'f':
            attrs->cpufactor = atof(optarg);
            break;
        case 'c':
            attrs->maxcpus = atoi(optarg);
            break;
        case 'm':
            attrs->maxmem = atoi(optarg);
            break;
        case 's':
            attrs->maxswap = atoi(optarg);
            break;
        case 't':
            attrs->maxtmp = atoi(optarg);
            break;
        case 'd':
            attrs->ndisks = atoi(optarg);
            break;
        default:
            printf(" join [-f cpufactor] [-c maxcpus] [-m maxmem] [-s maxswap] "
                   "[-t maxtmp] [-d ndisks]\n");
            return -EINVAL;
        }
    }

    return 0;
}