Hi Surya,
Could post somewhere a complete capture of the SUBSCRIBE + NOTIFY, taken
from OpenSIPS ?
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 20.10.2016 07:39, surya wrote:
Hi Bogdan,
Thanks for the answer. I tried the record-route but that created loop
between dispatcher and the presence server, I started getting too many hops
in both. Sample this:
/Oct 19 23:07:40 [73] DBG:core:build_res_buf_from_sip_res: copied size:
orig:90, new: 26, rest: 362 msg=
SIP/2.0 483 To Many HopsVia: SIP/2.0/UDP
172.17.0.5:5060;branch=z9hG4bK79ea.2ab64515.0
Via: SIP/2.0/UDP 172.17.0.2:5060;branch=z9hG4bK79ea.1ab64515.0
Via: SIP/2.0/UDP 172.17.0.5:5060;branch=z9hG4bK79ea.1ab64515.0
Via: SIP/2.0/UDP 172.17.0.2:5060;branch=z9hG4bK79ea.0ab64515.0
Via: SIP/2.0/UDP 172.17.0.5:5060;branch=z9hG4bK79ea.0ab64515.0
To: <sip:[email protected]>;tag=1
From:
<sip:[email protected]>;tag=80675298202cdedfab05883cddeed060-0467
CSeq: 1 NOTIFY
Call-ID: [email protected]
Server: OpenSIPS (1.8.4-notls (x86_64/linux))
Content-Length: 0/
here 0.2 is dispatcher, 0.5 is presence server and request comes from 0.4.
The config for dispatcher:
---------------------------------------------------------------------------
route{
if ( !mf_process_maxfwd_header("10") )
{
send_reply("483","To Many Hops");
exit;
};
#I added this. Need some condition checks??
* if(method=="SUBSCRIBE")
{
record_route();
}*
if ( !ds_select_dst("1", "4") ) {
send_reply("500","Unable to route");
exit;
}
forward();
# t_relay();
}
---------------------------------------------------------------------------
Config for presence
---------------------------------------------------------------------------
# main request routing logic
route{
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
exit;
}
if (has_totag()) {
# sequential request withing a dialog should
# take the path determined by record-routing
if (loose_route()) {
if (is_method("BYE")) {
setflag(1); # do accounting ...
setflag(3); # ... even if the transaction
fails
} else if (is_method("INVITE")) {
# even if in most of the cases is useless,
do RR for
# re-INVITEs alos, as some buggy clients do
change route set
# during the dialog.
record_route();
}
# route it out to whatever destination was set by
loose_route()
# in $du (destination URI).
route(1);
} else {
if (is_method("SUBSCRIBE") && $rd ==
"172.17.0.5:5060") { # CUSTOMIZE ME
# in-dialog subscribe requests
route(2);
exit;
}
if ( is_method("ACK") ) {
if ( t_check_trans() ) {
# non loose-route, but stateful ACK;
must be an ACK after
# a 487 or e.g. 404 from upstream
server
t_relay();
exit;
} else {
# ACK without matching transaction
->
# ignore and discard
exit;
}
}
sl_send_reply("404","Not here");
}
exit;
}
# CANCEL processing
if (is_method("CANCEL"))
{
if (t_check_trans())
t_relay();
exit;
}
t_check_trans();
if ( !(is_method("REGISTER") ) ) {
if (from_uri==myself)
{
} else {
# if caller is not local, then called number must be
local
if (!uri==myself) {
send_reply("403","Rely forbidden");
exit;
}
}
}
# preloaded route checking
if (loose_route()) {
xlog("L_ERR",
"Attempt to route with preloaded Route's
[$fu/$tu/$ru/$ci]");
if (!is_method("ACK"))
sl_send_reply("403","Preload Route denied");
exit;
}
# record routing
if (!is_method("REGISTER|MESSAGE"))
record_route();
# account only INVITEs
if (is_method("INVITE")) {
setflag(1); # do accounting
}
if (!uri==myself) {
append_hf("P-hint: outbound\r\n");
route(1);
}
# requests for my domain
if( is_method("PUBLISH|SUBSCRIBE"))
route(2);
if (is_method("REGISTER"))
{
if ( proto==TCP || 0 ) setflag(7);
if (!save("location"))
sl_reply_error();
exit;
}
if ($rU==NULL) {
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
# do lookup with method filtering
if (!lookup("location","m")) {
t_newtran();
t_reply("404", "Not Found");
exit;
}
# when routing via usrloc, log the missed calls also
setflag(2);
route(1);
}
route[1] {
# for INVITEs enable some additional helper routes
if (is_method("INVITE")) {
t_on_branch("2");
t_on_reply("2");
t_on_failure("1");
}
if (!t_relay()) {
send_reply("500","Internal Error");
};
exit;
}
# Presence route
route[2]
{
if (!t_newtran())
{
sl_reply_error();
exit;
}
if(is_method("PUBLISH"))
{
force_rport();
handle_publish();
}
else
if( is_method("SUBSCRIBE"))
{
force_rport();
handle_subscribe();
}
exit;
}
branch_route[2] {
xlog("new branch at $ru\n");
}
onreply_route[2] {
xlog("incoming reply\n");
}
failure_route[1] {
if (t_was_cancelled()) {
exit;
}
# uncomment the following lines if you want to block client
# redirect based on 3xx replies.
##if (t_check_status("3[0-9][0-9]")) {
##t_reply("404","Not found");
## exit;
##}
}
---------------------------------------------------------------------------
The config of presence is as generated from the tool, I just added
force_rport().
I do not have any idea why this is happening.
Appreciate your help again.
Thanks,
Surya
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