static int
max_fds_handler(struct config *conf, vector strvec)
{
char * buff;
int r = 0, max_fds;
buff = set_value(strvec);
if (!buff)
return 1;
r = get_sys_max_fds(&max_fds);
if (r) {
/* Assume safe limit */
max_fds = 4096;
}
if (strlen(buff) == 3 &&
!strcmp(buff, "max"))
conf->max_fds = max_fds;
else
conf->max_fds = atoi(buff);
if (conf->max_fds > max_fds)
conf->max_fds = max_fds;
FREE(buff);
return r;
}
static int
snprint_max_fds (struct config *conf, char * buff, int len, void * data)
{
int r = 0, max_fds;
if (!conf->max_fds)
return 0;
r = get_sys_max_fds(&max_fds);
if (!r && conf->max_fds >= max_fds)
return snprintf(buff, len, "\"max\"");
else
return snprintf(buff, len, "%d", conf->max_fds);
}
static int
max_fds_handler(vector strvec)
{
char * buff;
int r = 0;
buff = set_value(strvec);
if (!buff)
return 1;
if (strlen(buff) == 3 &&
!strcmp(buff, "max"))
r = get_sys_max_fds(&conf->max_fds);
else
conf->max_fds = atoi(buff);
FREE(buff);
return r;
}
int
load_config (char * file)
{
if (!conf)
conf = alloc_config();
if (!conf)
return 1;
/*
* internal defaults
*/
if (!conf->verbosity)
conf->verbosity = DEFAULT_VERBOSITY;
conf->udev = udev_new();
dm_drv_version(conf->version, TGT_MPATH);
conf->dev_type = DEV_NONE;
conf->minio = DEFAULT_MINIO;
conf->minio_rq = DEFAULT_MINIO_RQ;
get_sys_max_fds(&conf->max_fds);
conf->bindings_file = set_default(DEFAULT_BINDINGS_FILE);
conf->wwids_file = set_default(DEFAULT_WWIDS_FILE);
conf->bindings_read_only = 0;
conf->multipath_dir = set_default(DEFAULT_MULTIPATHDIR);
conf->features = set_default(DEFAULT_FEATURES);
conf->flush_on_last_del = 0;
conf->attribute_flags = 0;
conf->reassign_maps = DEFAULT_REASSIGN_MAPS;
conf->checkint = DEFAULT_CHECKINT;
conf->max_checkint = MAX_CHECKINT(conf->checkint);
conf->fast_io_fail = DEFAULT_FAST_IO_FAIL;
conf->retain_hwhandler = DEFAULT_RETAIN_HWHANDLER;
conf->detect_prio = DEFAULT_DETECT_PRIO;
/*
* preload default hwtable
*/
if (conf->hwtable == NULL) {
conf->hwtable = vector_alloc();
if (!conf->hwtable)
goto out;
}
if (setup_default_hwtable(conf->hwtable))
goto out;
/*
* read the config file
*/
set_current_keywords(&conf->keywords);
alloc_keywords();
if (filepresent(file)) {
int builtin_hwtable_size;
builtin_hwtable_size = VECTOR_SIZE(conf->hwtable);
if (init_data(file, init_keywords)) {
condlog(0, "error parsing config file");
goto out;
}
if (VECTOR_SIZE(conf->hwtable) > builtin_hwtable_size) {
/*
* remove duplica in hwtable. config file
* takes precedence over build-in hwtable
*/
factorize_hwtable(conf->hwtable, builtin_hwtable_size);
}
} else {
init_keywords();
}
/*
* fill the voids left in the config file
*/
if (conf->blist_devnode == NULL) {
conf->blist_devnode = vector_alloc();
if (!conf->blist_devnode)
goto out;
}
if (conf->blist_wwid == NULL) {
conf->blist_wwid = vector_alloc();
if (!conf->blist_wwid)
goto out;
}
if (conf->blist_device == NULL) {
conf->blist_device = vector_alloc();
if (!conf->blist_device)
goto out;
}
if (setup_default_blist(conf))
goto out;
if (conf->elist_devnode == NULL) {
conf->elist_devnode = vector_alloc();
if (!conf->elist_devnode)
goto out;
}
if (conf->elist_wwid == NULL) {
conf->elist_wwid = vector_alloc();
if (!conf->elist_wwid)
goto out;
}
if (conf->elist_device == NULL) {
conf->elist_device = vector_alloc();
if (!conf->elist_device)
goto out;
}
if (conf->mptable == NULL) {
conf->mptable = vector_alloc();
if (!conf->mptable)
goto out;
}
if (conf->bindings_file == NULL)
conf->bindings_file = set_default(DEFAULT_BINDINGS_FILE);
if (!conf->multipath_dir || !conf->bindings_file ||
!conf->wwids_file)
goto out;
return 0;
out:
free_config(conf);
return 1;
}
