Function readCibXmlFile

cib/io.c:285–420

}

xmlNode *
readCibXmlFile(const char *dir, const char *file, gboolean discard_status)
{
    int seq = 0;
    char *backup_file = NULL;
    char *filename = NULL, *sigfile = NULL;
    const char *name = NULL;
    const char *value = NULL;
    const char *validation = NULL;
    const char *use_valgrind = getenv("HA_VALGRIND_ENABLED");

    xmlNode *root = NULL;
    xmlNode *status = NULL;

    if (!crm_is_writable(dir, file, CRM_DAEMON_USER, NULL, FALSE)) {
        cib_status = -EACCES;
        return NULL;
    }

    filename = crm_concat(dir, file, '/');
    sigfile = crm_concat(filename, "sig", '.');

    cib_status = pcmk_ok;
    root = retrieveCib(filename, sigfile, TRUE);

    if (root == NULL) {
        crm_warn("Primary configuration corrupt or unusable, trying backup...");
        seq = get_last_sequence(cib_root, CIB_SERIES);
    }

    while (root == NULL) {
        struct stat buf;

        free(sigfile);

        if (seq == 0) {
            seq += cib_wrap;    /* unwrap */
        }

        backup_file = generate_series_filename(cib_root, CIB_SERIES, seq - 1, FALSE);
        sigfile = crm_concat(filename, "sig", '.');

        if (stat(backup_file, &buf) != 0) {
            crm_debug("Backup file %s not found", backup_file);
            break;
        }
        crm_warn("Attempting to load: %s", backup_file);
        root = retrieveCib(backup_file, sigfile, FALSE);
        seq--;
    }
    free(backup_file);

    if (root == NULL) {
        root = createEmptyCib();
        crm_xml_add(root, XML_ATTR_GENERATION, "0");
        crm_xml_add(root, XML_ATTR_NUMUPDATES, "0");
        crm_xml_add(root, XML_ATTR_GENERATION_ADMIN, "0");
        crm_xml_add(root, XML_ATTR_VALIDATION, LATEST_SCHEMA_VERSION);