27 Sep
2016
27 Sep
'16
5:13 p.m.
Hi Daniel,
I am using call load distribution algorithm calling _ds_select_dst_ function with
'10' as second argument, as described in [dispatcher module doc
files](http://kamailio.org/docs/modules/4.4.x/modules/dispatcher.html#dispa….
The problem I notice is that **all gateways without maxload attribute are discarded**,
even though the documentation says that if maxload is set to 0, no active call limit is
used. The same thing happens if I set maxload to 0.
Reading the code I think the problem is in [_ds_get_leastloaded_ function in dispatch.c
file](https://github.com/kamailio/kamailio/blob/4.4/modules/dispatcher/disp….
This is the patch I have used:
```
diff --git a/modules/dispatcher/dispatch.c b/modules/dispatcher/dispatch.c
index c1a831b..1e0064d 100644
--- a/modules/dispatcher/dispatch.c
+++ b/modules/dispatcher/dispatch.c
@@ -1449,7 +1449,8 @@ int ds_get_leastloaded(ds_set_t *dset)
for(j=0; j<dset->nr; j++)
{
if(!ds_skip_dst(dset->dlist[j].flags)
- && dset->dlist[j].dload<dset->dlist[j].attrs.maxload)
+ && (dset->dlist[j].attrs.maxload == 0
+ || dset->dlist[j].dload < dset->dlist[j].attrs.maxload))
{
if(dset->dlist[j].dload<t)
{
```
I have done my tests with this version:
```
# kamailio -v
version: kamailio 4.4.3 (x86_64/linux) e43d82-dirty
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE,
USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC,
DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER,
USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: e43d82 -dirty
compiled on 12:38:36 Sep 27 2016 with gcc 4.7.2
```
Thank you and regards,
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