/* Destructively merge a new config tree into an existing one */
int merge_config_tree(struct cmd_context *cmd, struct dm_config_tree *cft,
struct dm_config_tree *newdata, config_merge_t merge_type)
{
struct dm_config_node *root = cft->root;
struct dm_config_node *cn, *nextn, *oldn, *cn2;
const struct dm_config_node *tn;
struct config_source *cs, *csn;
for (cn = newdata->root; cn; cn = nextn) {
nextn = cn->sib;
if (merge_type == CONFIG_MERGE_TYPE_TAGS) {
/* Ignore tags section */
if (!strcmp(cn->key, "tags"))
continue;
/* If there's a tags node, skip if host tags don't match */
if ((tn = dm_config_find_node(cn->child, "tags"))) {
if (!_match_host_tags(&cmd->tags, tn))
continue;
}
}
if (!(oldn = dm_config_find_node(root, cn->key))) {
_insert_config_node(&cft->root, cn);
if (merge_type == CONFIG_MERGE_TYPE_TAGS) {
/* Remove any "tags" nodes */
for (cn2 = cn->child; cn2; cn2 = cn2->sib) {
if (!strcmp(cn2->key, "tags")) {
cn->child = cn2->sib;
continue;
}
if (cn2->sib && !strcmp(cn2->sib->key, "tags")) {
cn2->sib = cn2->sib->sib;
continue;
}
}
}
continue;
}
_merge_section(oldn, cn, merge_type);
}
/*
* Persistent filter loading is based on timestamp,
* so we need to know the newest timestamp to make right decision
* whether the .cache isn't older then any of configs
*/
cs = dm_config_get_custom(cft);
csn = dm_config_get_custom(newdata);
if (cs && csn && (cs->timestamp < csn->timestamp))
cs->timestamp = csn->timestamp;
return 1;
}
/* Destructively merge a new config tree into an existing one */
int merge_config_tree(struct cmd_context *cmd, struct config_tree *cft,
struct config_tree *newdata)
{
const struct config_node *root = cft->root;
struct config_node *cn, *nextn, *oldn, *cn2;
const struct config_node *tn;
for (cn = newdata->root; cn; cn = nextn) {
nextn = cn->sib;
/* Ignore tags section */
if (!strcmp(cn->key, "tags"))
continue;
/* If there's a tags node, skip if host tags don't match */
if ((tn = find_config_node(cn->child, "tags"))) {
if (!_match_host_tags(&cmd->tags, tn))
continue;
}
if (!(oldn = (struct config_node *)find_config_node(root, cn->key))) {
_insert_config_node(&cft->root, cn);
/* Remove any "tags" nodes */
for (cn2 = cn->child; cn2; cn2 = cn2->sib) {
if (!strcmp(cn2->key, "tags")) {
cn->child = cn2->sib;
continue;
}
if (cn2->sib && !strcmp(cn2->sib->key, "tags")) {
cn2->sib = cn2->sib->sib;
continue;
}
}
continue;
}
_merge_section(oldn, cn);
}
return 1;
}
