/**
* Callback-Function for the OPTIONS-Request
* This Function is called, as soon as the Transaction is finished
* (e. g. a Response came in, the timeout was hit, ...)
*
*/
static void ds_options_callback( struct cell *t, int type,
struct tmcb_params *ps )
{
int group = 0;
str uri = {0, 0};
/* The Param does contain the group, in which the failed host
* can be found.*/
if (!ps->param)
{
LM_DBG("No parameter provided, OPTIONS-Request was finished"
" with code %d\n", ps->code);
return;
}
/* The param is a (void*) Pointer, so we need to dereference it and
* cast it to an int. */
group = (int)(long)(*ps->param);
/* The SIP-URI is taken from the Transaction.
* Remove the "To: " (s+4) and the trailing new-line (s - 4 (To: )
* - 2 (\r\n)). */
uri.s = t->to.s + 4;
uri.len = t->to.len - 6;
LM_DBG("OPTIONS-Request was finished with code %d (to %.*s, group %d)\n",
ps->code, uri.len, uri.s, group);
/* ps->code contains the result-code of the request.
*
* We accept "200 OK" by default and the custom codes
* defined in options_reply_codes parameter*/
if ((ps->code == 200) || check_options_rplcode(ps->code))
{
/* Set the according entry back to "Active":
* remove the Probing/Inactive Flag and reset the failure counter. */
if (ds_set_state(group, &uri,
DS_INACTIVE_DST|DS_PROBING_DST|DS_RESET_FAIL_DST, 0) != 0)
{
LM_ERR("Setting the state failed (%.*s, group %d)\n", uri.len,
uri.s, group);
}
}
/* if we always probe, and we get a timeout
* or a reponse that is not within the allowed
* reply codes, then disable*/
if(ds_probing_mode==1 && ps->code != 200 && (ps->code == 408 || !check_options_rplcode(ps->code)))
{
if (ds_set_state(group, &uri, DS_PROBING_DST, 1) != 0)
{
LM_ERR("Setting the probing state failed (%.*s, group %d)\n",
uri.len, uri.s, group);
}
}
return;
}
void set_dst_state_from_rplcode( int id, int code)
{
struct lb_dst *dst;
lock_start_read( ref_lock );
for( dst=(*curr_data)->dsts ; dst && dst->id!=id ; dst=dst->next);
if (dst==NULL) {
lock_stop_read( ref_lock );
return;
}
if ((code == 200) || check_options_rplcode(code)) {
/* re-enable to DST (if allowed) */
if ( dst->flags&LB_DST_STAT_NOEN_FLAG ) {
lock_stop_read( ref_lock );
return;
}
dst->flags &= ~LB_DST_STAT_DSBL_FLAG;
lock_stop_read( ref_lock );
return;
}
if (code>=400) {
dst->flags |= LB_DST_STAT_DSBL_FLAG;
}
lock_stop_read( ref_lock );
}
void set_dst_state_from_rplcode( int id, int code)
{
struct lb_dst *dst;
int old_flags;
lock_start_read( ref_lock );
for( dst=(*curr_data)->dsts ; dst && dst->id!=id ; dst=dst->next);
if (dst==NULL) {
lock_stop_read( ref_lock );
return;
}
if ((code == 200) || check_options_rplcode(code)) {
/* re-enable to DST (if allowed) */
if ( dst->flags&LB_DST_STAT_NOEN_FLAG ) {
lock_stop_read( ref_lock );
return;
}
old_flags = dst->flags;
dst->flags &= ~LB_DST_STAT_DSBL_FLAG;
if (dst->flags != old_flags) {
lb_status_changed(dst);
if (lb_prob_verbose)
LM_INFO("re-enable destination %d <%.*s> after %d reply "
"on probe\n", dst->id, dst->uri.len, dst->uri.s, code);
}
lock_stop_read( ref_lock );
return;
}
if (code>=400) {
old_flags = dst->flags;
dst->flags |= LB_DST_STAT_DSBL_FLAG;
if (dst->flags != old_flags) {
lb_status_changed(dst);
if (lb_prob_verbose)
LM_INFO("disable destination %d <%.*s> after %d reply "
"on probe\n", dst->id, dst->uri.len, dst->uri.s, code);
}
}
lock_stop_read( ref_lock );
}