static subscriber_pool_t *get_spool(channel_spooler_t *spl, nchan_msg_id_t *id) {
rbtree_seed_t *seed = &spl->spoolseed;
ngx_rbtree_node_t *node;
subscriber_pool_t *spool;
if((node = rbtree_find_node(seed, id)) == NULL) {
if((node = rbtree_create_node(seed, sizeof(*spool))) == NULL) {
ERR("can't create rbtree node for spool");
return NULL;
}
// DBG("CREATED spool node %p for msgid %i:%i", node, id->time, id->tag);
spool = (subscriber_pool_t *)rbtree_data_from_node(node);
ngx_memzero(spool, sizeof(*spool));
spool->spooler = spl;
spool->id = *id;
spool->spooler = spl;
spool->msg_status = MSG_INVALID;
spool->msg = NULL;
if(rbtree_insert_node(seed, node) != NGX_OK) {
ERR("couldn't insert spool node");
rbtree_destroy_node(seed, node);
return NULL;
}
}
else {
spool = (subscriber_pool_t *)rbtree_data_from_node(node);
//DBG("found spool node %p with msgid %i:%i", node, id->time, id->tag);
assert(spool->id.time == id->time);
}
return spool;
}
static subscriber_pool_t *get_spool(channel_spooler_t *spl, nchan_msg_id_t *id) {
rbtree_seed_t *seed = &spl->spoolseed;
ngx_rbtree_node_t *node;
subscriber_pool_t *spool;
if(id->time == NCHAN_NEWEST_MSGID_TIME) {
spool = &spl->current_msg_spool;
spool->msg_status = MSG_EXPECTED;
return &spl->current_msg_spool;
}
if((node = rbtree_find_node(seed, id)) == NULL) {
if((node = rbtree_create_node(seed, sizeof(*spool))) == NULL) {
ERR("can't create rbtree node for spool");
return NULL;
}
// DBG("CREATED spool node %p for msgid %V", node, msgid_to_str(id));
spool = (subscriber_pool_t *)rbtree_data_from_node(node);
init_spool(spl, spool, id);
if(rbtree_insert_node(seed, node) != NGX_OK) {
ERR("couldn't insert spool node");
rbtree_destroy_node(seed, node);
return NULL;
}
}
else {
spool = (subscriber_pool_t *)rbtree_data_from_node(node);
DBG("found spool node %p with msgid %V", node, msgid_to_str(id));
assert(spool->id.time == id->time);
}
return spool;
}
