/**
* @brief find dmq node by uri
*/
dmq_node_t* find_dmq_node_uri(dmq_node_list_t* list, str* uri)
{
dmq_node_t *ret, *find;
find = build_dmq_node(uri, 0);
if(find==NULL)
return NULL;
ret = find_dmq_node(list, find);
destroy_dmq_node(find, 0);
return ret;
}
/**
* @brief find dmq node by uri
*/
dmq_node_t *find_dmq_node_uri(dmq_node_list_t *list, str *uri)
{
dmq_node_t *ret, find;
memset(&find, 0, sizeof(find));
if(parse_uri(uri->s, uri->len, &find.uri) < 0) {
LM_ERR("error parsing uri\n");
return NULL;
}
ret = find_dmq_node(list, &find);
return ret;
}
/**
* extract the node list from the body of a notification request SIP message
* the SIP request will look something like:
* KDMQ sip:10.0.0.0:5062
* To: ...
* From: ...
* Max-Forwards: ...
* Content-Length: 22
*
* sip:host1:port1;param1=value1
* sip:host2:port2;param2=value2
* ...
*/
int extract_node_list(dmq_node_list_t* update_list, struct sip_msg* msg)
{
int content_length, total_nodes = 0;
str body;
str tmp_uri;
dmq_node_t *cur = NULL;
dmq_node_t *ret, *find;
char *tmp, *end, *match;
if(!msg->content_length && (parse_headers(msg,HDR_CONTENTLENGTH_F,0)<0 || !msg->content_length)) {
LM_ERR("no content length header found\n");
return -1;
}
content_length = get_content_length(msg);
if(!content_length) {
LM_DBG("content length is 0\n");
return total_nodes;
}
body.s = get_body(msg);
body.len = content_length;
tmp = body.s;
end = body.s + body.len;
/* acquire big list lock */
lock_get(&update_list->lock);
while(tmp < end) {
match = q_memchr(tmp, '\n', end - tmp);
if(match) {
match++;
} else {
/* for the last line - take all of it */
match = end;
}
/* create the orig_uri from the parsed uri line and trim it */
tmp_uri.s = tmp;
tmp_uri.len = match - tmp - 1;
tmp = match;
/* trim the \r, \n and \0's */
trim_r(tmp_uri);
find = build_dmq_node(&tmp_uri, 0);
if(find==NULL)
return -1;
ret = find_dmq_node(update_list, find);
if (!ret) {
LM_DBG("found new node %.*s\n", STR_FMT(&tmp_uri));
cur = build_dmq_node(&tmp_uri, 1);
if(!cur) {
LM_ERR("error creating new dmq node\n");
goto error;
}
cur->next = update_list->nodes;
update_list->nodes = cur;
update_list->count++;
total_nodes++;
} else if (find->params && ret->status != find->status) {
LM_DBG("updating status on %.*s from %d to %d\n",
STR_FMT(&tmp_uri), ret->status, find->status);
ret->status = find->status;
total_nodes++;
}
destroy_dmq_node(find, 0);
}
/* release big list lock */
lock_release(&update_list->lock);
return total_nodes;
error:
lock_release(&update_list->lock);
return -1;
}
