void enumerate_namespaces_for_controller()

in src/identify_disks.c [146:212]

• 58 lines of code
• 8 McCabe index (conditional complexity)

void enumerate_namespaces_for_controller(struct nvme_controller *ctrl, struct context *ctx,
                                         json_object *namespaces_array)
{
    struct dirent **namelist;

    int n = scandir(ctrl->sys_path, &namelist, is_nvme_namespace, versionsort);
    if (n < 0)
    {
        fprintf(stderr, "failed scandir for %s: %m\n", ctrl->sys_path);
        return;
    }

    DEBUG_PRINTF("found %d namespace(s) for controller=%s:\n", n, ctrl->name);
    for (int i = 0; i < n; i++)
    {
        char namespace_path[MAX_PATH];
        snprintf(namespace_path, sizeof(namespace_path), "/dev/%s", namelist[i]->d_name);

        char *vs = nvme_identify_namespace_vs_for_namespace_device(namespace_path);
        char *id = NULL;
        json_object *namespace_obj = json_object_new_object();
        json_object_object_add(namespace_obj, "path", json_object_new_string(namespace_path));
        json_object_object_add(namespace_obj, "model", json_object_new_string(ctrl->model));
        json_object_array_add(namespaces_array, namespace_obj);

        if (vs != NULL)
        {
            if (vs[0] == 0)
            {
                id = identify_namespace_without_vs(ctrl->sys_path, namespace_path);
            }
            else
            {
                id = strdup(vs);
            }

            if (ctx->output_format == PLAIN)
            {
                printf("%s: %s\n", namespace_path, id);
            }
        }

        if (id != NULL)
        {
            json_object_object_add(namespace_obj, "properties", parse_vs_string(id));
            free(id);
        }
        else
        {
            json_object_object_add(namespace_obj, "properties", json_object_new_object());
        }

        if (vs != NULL)
        {
            json_object_object_add(namespace_obj, "vs", json_object_new_string(vs));
            free(vs);
        }
        else
        {
            json_object_object_add(namespace_obj, "vs", NULL);
        }

        free(namelist[i]);
    }

    free(namelist);
}