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.

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.

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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