19 Aug
2020
19 Aug
'20
8:37 p.m.
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### Description
I'm appending two contacts / branches upon receiving a call. This is a snippet of the
config I'm using to debug:
```
xlog ("=== branch 0: $(branch(uri)[0]), $(branch(q)[0])\n");
xlog ("=== branch 1: $(branch(uri)[1]), $(branch(q)[1])\n");
revert_uri();
t_load_contacts();
while (t_next_contacts()) {
xlog ("==== $ru\n");
}
```
We expect that the branches are rearranged by weight. When t_next_contacts() is called,
the $ru is being rewritten with the branch having the highest q value. This behavior
changed after upgrading to v5.4.0. The order of the branches is now being reversed.
### Troubleshooting
#### Reproduction
<!--
If the issue can be reproduced, describe how it can be done.
-->
#### Debugging Data
<!--
If you got a core dump, use gdb to extract troubleshooting data - full backtrace,
local variables and the list of the code at the issue location.
gdb /path/to/kamailio /path/to/corefile
bt full
info locals
list
If you are familiar with gdb, feel free to attach more of what you consider to
be relevant.
-->
```
(paste your debugging data here)
```
#### Log Messages
In v5.4.0, this is what we're seeing in the logs
```
ERROR: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: === branch 0:
sip:1001@gateway2.carrierB.com;transport=udp, 200
ERROR: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: === branch 1:
sip:1001@gateway1.carrierB.com;transport=tcp, 300
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: tm [t_serial.c:526]:
t_load_contacts(): load_contact mode not selected, using: 0
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: tm [t_serial.c:340]:
ki_t_load_contacts_mode(): nr_branches is 2
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fcbe3103e20
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: tm [t_serial.c:890]:
ki_t_next_contacts(): Appending branch
uri-'sip:1001@gateway1.carrierB.com;transport=tcp' dst-'' path-''
inst-'' ruid-'' location_ua-''
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fcbe3103b68
ERROR: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: ==== sip:1001@carrierB
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fcbe3103890
ERROR: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: ====
sip:1001@gateway2.carrierB.com;transport=udp
DEBUG: IBG_LOG: sipp-ci1-20200819163846-1-22(a)172.18.1.21: tm [t_serial.c:627]:
ki_t_next_contacts(): no contacts in contacts_avp - we are done!
```
This was the behavior in v.5.3.4
```
ERROR: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: === branch 0:
sip:1001@gateway2.carrierB.com;transport=udp, 200
ERROR: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: === branch 1:
sip:1001@gateway1.carrierB.com;transport=tcp, 300
DEBUG: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: tm [t_serial.c:191]:
ki_t_load_contacts(): nr_branches is 2
DEBUG: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: <core> [core/xavp.c:529]:
xavp_destroy_list(): destroying xavp list 0x7f55bdf0c1d8
ERROR: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: ====
sip:1001@gateway1.carrierB.com;transport=tcp
DEBUG: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: <core> [core/xavp.c:529]:
xavp_destroy_list(): destroying xavp list 0x7f55bdf0bf00
ERROR: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: ====
sip:1001@gateway2.carrierB.com;transport=udp
DEBUG: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: <core> [core/xavp.c:529]:
xavp_destroy_list(): destroying xavp list 0x7f55bdf0bc28
ERROR: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: ==== sip:1001@carrierB
DEBUG: IBG_LOG: sipp-ci1-20200819172941-1-22(a)172.18.1.21: tm [t_serial.c:460]:
ki_t_next_contacts(): no contacts in contacts_avp - we are done!
```
#### SIP Traffic
<!--
If the issue is exposed by processing specific SIP messages, grab them with ngrep or save
in a pcap file, then add them next, or attach to issue, or provide a link to download them
(e.g., to a pastebin site).
-->
```
(paste your sip traffic here)
```
### Possible Solutions
<!--
If you found a solution or workaround for the issue, describe it. Ideally, provide a pull
request with a fix.
-->
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
(paste your output here)
```
* **Operating System**:
<!--
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CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `uname -a`)
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```
(paste your output here)
```
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20 Aug
20 Aug
8:46 a.m.
@marcocapetta - based on history, the commit 1399714fbba63732f94eb8034dabb1e565ca832a
seems to be the only one with major changes in this code between 5.3 and 5.4. Can you
check if it broke the existing behaviour?
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24 Aug
24 Aug
10:43 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Also, maybe @juha-h can comment on this issue, being the initial developer of these
functions, to see what is the expected behaviour and if there is an unwanted change in the
last version.
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3 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Daniel-Constantin Mierla writes:
Also, maybe @juha-h can comment on this issue, being
the initial
developer of these functions, to see what is the expected behaviour
and if there is an unwanted change in the last version.
Version of tm README before mode param was added tells what the expected
behavior of t_load_contacts() is:
Function t_load_contacts() removes all branches from the current
destination set and stores them into the XAVP whose name is configured
with the parameter contacts_avp.
...
If the current destination set contains more than one branch, the
function sorts them according to increasing value of the q parameter
and then stores the branches in reverse order into the XAVP.
The q parameter of a branch contains a value from range 0-1.0 and it
expresses relative preference of the branch among all branches in the
destination set. The higher the q value the more preference the user
agent gave to the branch. Branches with higher q values will be tried
before branches with lower ones when serial forking takes place.
If the behavior is not that anymore, there is a bug that needs to be
fixed.
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26 Aug
26 Aug
10:56 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
I see no changes in behavior.
My investigation details:
```
root@10f12270eb57:/etc/kamailio# diff -uN kamailio.cfg.orig kamailio.cfg
--- kamailio.cfg.orig 2020-08-26 07:10:34.436758338 +0000
+++ kamailio.cfg 2020-08-26 07:40:20.605192222 +0000
@@ -320,6 +320,8 @@
modparam("tm", "fr_timer", 30000)
# default invite retransmission timeout after 1xx: 120sec
modparam("tm", "fr_inv_timer", 120000)
+modparam("tm", "contacts_avp", "tm_contacts")
+modparam("tm", "contact_flows_avp", "tm_contacts_flows")
# ----- rr params -----
# set next param to 1 to add value to ;lr param (helps with some UAs)
@@ -457,6 +459,11 @@
# ----- debugger params -----
modparam("debugger", "cfgtrace", 1)
modparam("debugger", "log_level_name", "exec")
+modparam("debugger", "mod_level_mode", 1)
+modparam("debugger", "mod_hash_size", 4)
+modparam("debugger", "mod_level", "core=1")
+modparam("debugger", "mod_level", "xlog=3")
+modparam("debugger", "mod_level", "tm=3")
#!endif
####### Routing Logic ########
@@ -698,11 +705,25 @@
if (is_method("INVITE")) {
setflag(FLT_ACCMISSED);
}
-
+ route(TEST);
route(RELAY);
exit;
}
+route[TEST] {
+ xlog("==== $$ru:$ru\n");
+ $var(i) = 0;
+ while($var(i) < 10) {
+ xlog ("=== $$branch $var(i): uri:$(branch(uri)[$var(i)]),
q:$(branch(q)[$var(i)])\n");
+ $var(i) = $var(i) + 1;
+ }
+ t_load_contacts();
+ while (t_next_contacts()) {
+ xlog ("==== $$ru:$ru\n");
+ }
+ drop;
+}
+
# Presence server processing
route[PRESENCE] {
if(!is_method("PUBLISH|SUBSCRIBE")) return;
```
create locations for alice, higher the number, higher the value of q:
```
root@10f12270eb57:/etc/kamailio# for i in 1 2 3 4 5 6 7 8 9; do kamcmd ul.add location
alice sip:alice$i@127.0.0.$i:508$i 0 0.$i . 0 0 6111 . .; done
```
kamailio **5.3.4** output:
lookup loads the 9 contacts
```
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[LOCATION]
c=[/etc/kamailio/kamailio.cfg] l=689 a=25 n=lookup
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:306]: lookup_helper():
contact for [alice] found by address
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} registrar [lookup.c:510]: lookup_helper():
instance is
```
checking the branches values and calling t_load_contacts():
```
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=714 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice9@127.0.0.9:5089
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=715 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=719 a=23 n=while
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 0:
uri:sip:alice8@127.0.0.8:5088, q:800
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 1:
uri:sip:alice7@127.0.0.7:5087, q:700
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 2:
uri:sip:alice6@127.0.0.6:5086, q:600
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 3:
uri:sip:alice5@127.0.0.5:5085, q:500
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 4:
uri:sip:alice4@127.0.0.4:5084, q:400
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 5:
uri:sip:alice3@127.0.0.3:5083, q:300
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 6:
uri:sip:alice2@127.0.0.2:5082, q:200
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 7:
uri:sip:alice1@127.0.0.1:5081, q:100
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 8:
uri:<null>, q:<null>
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=717 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: === $branch 9:
uri:<null>, q:<null>
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=718 a=63 n=assign
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=720 a=24 n=t_load_contacts
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} tm [t_serial.c:191]: ki_t_load_contacts():
nr_branches is 8
```
t_next_contacts() loop:
```
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=723 a=23 n=while
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice9@127.0.0.9:5089
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice8@127.0.0.8:5088
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice7@127.0.0.7:5087
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice6@127.0.0.6:5086
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice5@127.0.0.5:5085
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice4@127.0.0.4:5084
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice3@127.0.0.3:5083
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice2@127.0.0.2:5082
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=722 a=25 n=xlog
2(461) ERROR: {1 1 INVITE 1-500(a)172.17.0.3} <script>: ====
$ru:sip:alice1@127.0.0.1:5081
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=721 a=24 n=t_next_contacts
2(461) DEBUG: {1 1 INVITE 1-500(a)172.17.0.3} tm [t_serial.c:460]: ki_t_next_contacts(): no
contacts in contacts_avp - we are done!
2(461) exec: {1 1 INVITE 1-500(a)172.17.0.3} *** cfgtrace:request_route=[TEST]
c=[/etc/kamailio/kamailio.cfg] l=724 a=2 n=drop
```
So, everything as expected, q value order is obey.
kamailio **5.4.0** output:
lookup loads the 9 contacts
```
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[LOCATION] c=[/etc/kamailio/kamailio.cfg] l=726 a=25 n=lookup
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:321]: lookup_helper():
contact for [alice] found by address
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} registrar [lookup.c:525]: lookup_helper():
instance is
```
checking the branches values and calling t_load_contacts():
```
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=751 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice9@127.0.0.9:5089
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=752 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=756 a=23 n=while
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 0:
uri:sip:alice8@127.0.0.8:5088, q:800
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 1:
uri:sip:alice7@127.0.0.7:5087, q:700
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 2:
uri:sip:alice6@127.0.0.6:5086, q:600
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 3:
uri:sip:alice5@127.0.0.5:5085, q:500
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 4:
uri:sip:alice4@127.0.0.4:5084, q:400
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 5:
uri:sip:alice3@127.0.0.3:5083, q:300
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 6:
uri:sip:alice2@127.0.0.2:5082, q:200
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 7:
uri:sip:alice1@127.0.0.1:5081, q:100
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 8:
uri:<null>, q:<null>
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=754 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: === $branch 9:
uri:<null>, q:<null>
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=755 a=63 n=assign
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=757 a=24 n=t_load_contacts
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} tm [t_serial.c:526]: t_load_contacts():
load_contact mode not selected, using: 0
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} tm [t_serial.c:340]:
ki_t_load_contacts_mode(): nr_branches is 8
```
t_next_contacts() loop:
```
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=760 a=23 n=while
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice9@127.0.0.9:5089
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice8@127.0.0.8:5088
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice7@127.0.0.7:5087
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice6@127.0.0.6:5086
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice5@127.0.0.5:5085
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice4@127.0.0.4:5084
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice3@127.0.0.3:5083
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice2@127.0.0.2:5082
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=759 a=25 n=xlog
1(793) ERROR: {1 1 INVITE 1-834(a)172.17.0.2} <script>: ====
$ru:sip:alice1@127.0.0.1:5081
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=758 a=24 n=t_next_contacts
1(793) DEBUG: {1 1 INVITE 1-834(a)172.17.0.2} tm [t_serial.c:627]: ki_t_next_contacts(): no
contacts in contacts_avp - we are done!
1(793) exec: {1 1 INVITE 1-834(a)172.17.0.2} *** cfgtrace:dbg_cfg_trace():
request_route=[TEST] c=[/etc/kamailio/kamailio.cfg] l=761 a=2 n=drop
```
Everything as expected, q value order is obey, same behavior as I can see
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9:25 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Is it possible that the branches are handled differently when they're added by
`append_branch()`?
```
append_branch("sip:1001@gateway1.carrierB.com;transport=tcp",
"0.3");
append_branch("sip:1001@gateway2.carrierB.com;transport=tcp",
"0.2");
append_branch("sip:1001@gateway3.carrierB.com;transport=tcp",
"0.7");
append_branch("sip:1001@gateway4.carrierB.com;transport=tcp",
"0.5");
append_branch("sip:1001@gateway5.carrierB.com;transport=tcp",
"0.6");
xlog ("=== $(branch(uri)[0]), $(branch(q)[0])\n");
xlog ("=== $(branch(uri)[1]), $(branch(q)[1])\n");
xlog ("=== $(branch(uri)[2]), $(branch(q)[2])\n");
xlog ("=== $(branch(uri)[3]), $(branch(q)[3])\n");
xlog ("=== $(branch(uri)[4]), $(branch(q)[4])\n");
t_load_contacts();
while (t_next_contacts()) {
xlog ("==== $ru\n");
}
```
Output:
```
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ===
sip:1001@gateway1.carrierB.com;transport=tcp, 300
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ===
sip:1001@gateway2.carrierB.com;transport=tcp, 200
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ===
sip:1001@gateway3.carrierB.com;transport=tcp, 700
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ===
sip:1001@gateway4.carrierB.com;transport=tcp, 500
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ===
sip:1001@gateway5.carrierB.com;transport=tcp, 600
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: tm [t_serial.c:526]: t_load_contacts():
load_contact mode not selected, using: 0
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: tm [t_serial.c:340]:
ki_t_load_contacts_mode(): nr_branches is 5
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fe88ec9e248
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: tm [t_serial.c:890]:
ki_t_next_contacts(): Appending branch
uri-'sip:1001@gateway3.carrierB.com;transport=tcp' dst-'' path-''
inst-'' ruid-'' location_ua-''
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fe88ec9df90
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ==== sip:1001@carrierB
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fe88ec9dcb8
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ====
sip:1001@gateway5.carrierB.com;transport=tcp
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fe88ec9d9e0
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ====
sip:1001@gateway4.carrierB.com;transport=tcp
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fe88ec9d708
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ====
sip:1001@gateway1.carrierB.com;transport=tcp
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: <core> [core/xavp.c:539]:
xavp_destroy_list(): destroying xavp list 0x7fe88ec9d430
ERROR: sipp-ci1-20200826182056-1-23(a)172.18.1.21: ====
sip:1001@gateway2.carrierB.com;transport=tcp
DEBUG: sipp-ci1-20200826182056-1-23(a)172.18.1.21: tm [t_serial.c:627]:
ki_t_next_contacts(): no contacts in contacts_avp - we are done!
```
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27 Aug
27 Aug
12:34 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Hi,
El mié., 26 ago. 2020 20:25, Cindy Leung <notifications(a)github.com>
escribió:
Is it possible that the branches are handled
differently when they're
added by append_branch()?
append_branch("sip:1001@gateway1.carrierB.com;transport=tcp",
"0.3");
append_branch("sip:1001@gateway2.carrierB.com;transport=tcp",
"0.2");
append_branch("sip:1001@gateway3.carrierB.com;transport=tcp",
"0.7");
append_branch("sip:1001@gateway4.carrierB.com;transport=tcp",
"0.5");
append_branch("sip:1001@gateway5.carrierB.com;transport=tcp",
"0.6");
xlog ("=== $(branch(uri)[0]), $(branch(q)[0])\n");
xlog ("=== $(branch(uri)[1]), $(branch(q)[1])\n");
xlog ("=== $(branch(uri)[2]), $(branch(q)[2])\n");
xlog ("=== $(branch(uri)[3]), $(branch(q)[3])\n");
xlog ("=== $(branch(uri)[4]), $(branch(q)[4])\n");
t_load_contacts();
while (t_next_contacts()) {
xlog ("==== $ru\n");
}
https://www.kamailio.org/docs/modules/devel/modules/tm.html#tm.f.t_load_con…
Function t_load_contacts() **removes all branches** from the current
destination set and stores them into the XAVP whose name is configured with
the parameter contacts_avp
It doesn't matter how you're adding branches before. t_load_contacts() will
remove them.
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5:11 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
So I applied Victor's `route[TEST]` at the beginning of my config and added the usrloc
entries. The problem with branches could not be reproduced. Instead of `drop` at the end
of `route[TEST]`, I `revert_uri()` so I could continue with my `append_branch` portion.
Same result. Here's the log (DEBUG=2).
```
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: Entering test route
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== $ru:sip:alice5@127.0.0.5:5085
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: === $branch 0:
uri:sip:alice4@127.0.0.4:5084, q:400
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: === $branch 1:
uri:sip:alice3@127.0.0.3:5083, q:300
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: === $branch 2:
uri:sip:alice2@127.0.0.2:5082, q:200
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: === $branch 3:
uri:sip:alice1@127.0.0.1:5081, q:100
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: === $branch 4: uri:<null>,
q:<null>
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== $ru:sip:alice5@127.0.0.5:5085
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== $ru:sip:alice4@127.0.0.4:5084
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== $ru:sip:alice3@127.0.0.3:5083
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== $ru:sip:alice2@127.0.0.2:5082
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== $ru:sip:alice1@127.0.0.1:5081
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: Starting append_branch() sequence
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ===
sip:1001@gateway1.carrierB.com;transport=tcp, 300
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ===
sip:1001@gateway2.carrierB.com;transport=tcp, 200
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ===
sip:1001@gateway3.carrierB.com;transport=tcp, 700
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ===
sip:1001@gateway4.carrierB.com;transport=tcp, 500
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ===
sip:1001@gateway5.carrierB.com;transport=tcp, 600
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: Starting t_next_contacts
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ==== sip:alice@carrierB
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ====
sip:1001@gateway5.carrierB.com;transport=tcp
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ====
sip:1001@gateway4.carrierB.com;transport=tcp
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ====
sip:1001@gateway1.carrierB.com;transport=tcp
ERROR: sipp-ci1-20200827020223-1-21(a)172.19.1.21: ====
sip:1001@gateway2.carrierB.com;transport=tcp
```
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11 Sep
11 Sep
1:09 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@cleung-tpn so you could not reproduce it and this issue can be closed?
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14 Sep
14 Sep
5:50 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@henningw That's not what I said. The problem is reproducible if the branches are
added using append_branch.
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5:58 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@cleung-tpn can you provide a minimal kamailio.cfg reproducing the issue? You already
provided snippets in comments, but somehow I got lost in use of drop or revert_uri() in
different places vs what @linuxmaniac tried. When I get some time I can test it with such
config and see if I can spot something.
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16 Sep
16 Sep
11:47 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Thanks @miconda, here you go.
```
####### Global Parameters #########
debug = 2
log_stderror = no
log_facility = LOG_LOCAL6
listen = eth0
####### Modules Section ########
# mpath="/usr/lib64/kamailio/modules/"
loadmodule "kex.so"
loadmodule "corex.so"
loadmodule "tm.so"
loadmodule "tmx.so"
loadmodule "sl.so"
loadmodule "rr.so"
loadmodule "pv.so"
loadmodule "maxfwd.so"
loadmodule "textops.so"
loadmodule "siputils.so"
loadmodule "xlog.so"
loadmodule "sanity.so"
loadmodule "ctl.so"
loadmodule "debugger.so"
loadmodule "htable.so"
# ----- tm params -----
modparam("tm", "failure_reply_mode", 3)
modparam("tm", "remap_503_500", 0)
modparam("tm", "contacts_avp", "tm_contacts")
modparam("tm", "contact_flows_avp", "tm_contact_flows")
# ----- rr params -----
modparam("rr", "enable_full_lr", 0)
modparam("rr", "append_fromtag", 1)
# ----- htable params -----
modparam("htable", "htable", "gateways=>size=4")
request_route
{
if (!is_method("ACK")) {
if(t_precheck_trans()) {
t_check_trans();
exit;
}
t_check_trans();
}
if (!sanity_check("1535", "7")) {
exit;
}
if ( msg:len >= 8192 ) {
send_reply("513", "Message too big");
exit;
}
if (!mf_process_maxfwd_header("10")) {
send_reply("483", "Too Many Hops");
exit;
}
if (is_method("OPTIONS")) {
send_reply("200","OK");
exit;
}
if (has_totag()) {
if (is_method("INVITE")) {
record_route();
}
if (loose_route()) {
route(RELAY);
}
if (is_method("ACK")) {
if (t_check_trans()) {
route(RELAY);
}
exit;
}
send_reply("481", "Call Leg/Transaction Does Not Exist");
exit;
}
if (is_method("CANCEL")) {
if (t_check_trans()) {
route(RELAY);
} else {
send_reply("481", "Call leg/transaction does not exist");
}
exit;
} else if (is_method("ACK")) {
if (t_check_trans()) {
route(RELAY);
}
exit;
}
remove_hf("Route");
record_route();
$var(i) = 1;
while ($var(i) < 10) {
$sht(gateways=>$var(i)) = "host=" +
$_s($var(i).$var(i).$var(i).$var(i)) + ";priority=" + $var(i);
xlog ("==== Storing: $sht(gateways=>$var(i))\n");
$var(i) = $var(i) + 1;
}
sht_iterator_start("i", "gateways");
while(sht_iterator_next("i")) {
append_branch("sip:$rU@$(shtitval(i){param.value,host})",
"$_s(0.$(shtitval(i){param.value,priority}))");
}
sht_iterator_end("i");
t_load_contacts();
xlog ("Route order:\n");
while (t_next_contacts()) {
xlog ("==== $rd\n");
}
route(RELAY);
}
route[RELAY] {
xlog ("L_INFO", "Routing to $rd/$du\n");
t_on_failure("OB_FAILURE");
if (!t_relay()) {
sl_reply_error();
}
exit;
}
failure_route[OB_FAILURE] {
if (t_is_canceled()) {
xlog("L_INFO", "Transaction cancelled\n");
exit;
}
if (!t_next_contacts() && $ru==$ou) {
send_reply("503", "Service Unavailable");
exit;
}
t_on_failure("OB_FAILURE");
route(RELAY);
exit;
}
```
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18 Sep
18 Sep
1:25 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
I can confirm there is a change in behaviour between 5.3 and 5.4 (I tested with master,
but it is the same code).
I made some small changes to the config to have more debug messages and be able to test
with OPTIONS sent by sipsak -- the full config is next:
```
####### Global Parameters #########
debug = 2
log_stderror = no
children = 2
####### Modules Section ########
# mpath="/usr/lib64/kamailio/modules/"
loadmodule "jsonrpcs.so"
loadmodule "kex.so"
loadmodule "corex.so"
loadmodule "tm.so"
loadmodule "tmx.so"
loadmodule "sl.so"
loadmodule "rr.so"
loadmodule "pv.so"
loadmodule "maxfwd.so"
loadmodule "textops.so"
loadmodule "siputils.so"
loadmodule "xlog.so"
loadmodule "sanity.so"
loadmodule "ctl.so"
loadmodule "debugger.so"
loadmodule "htable.so"
# ----- tm params -----
modparam("tm", "failure_reply_mode", 3)
modparam("tm", "remap_503_500", 0)
modparam("tm", "contacts_avp", "tm_contacts")
modparam("tm", "contact_flows_avp", "tm_contact_flows")
# ----- rr params -----
modparam("rr", "enable_full_lr", 0)
modparam("rr", "append_fromtag", 1)
# ----- htable params -----
modparam("htable", "htable", "gateways=>size=4")
request_route
{
if (!is_method("ACK")) {
if(t_precheck_trans()) {
t_check_trans();
exit;
}
t_check_trans();
}
if (!sanity_check("1535", "7")) {
exit;
}
if (!mf_process_maxfwd_header("10")) {
send_reply("483", "Too Many Hops");
exit;
}
if (has_totag()) {
if (is_method("INVITE")) {
record_route();
}
if (loose_route()) {
route(RELAY);
}
if (is_method("ACK")) {
if (t_check_trans()) {
route(RELAY);
}
exit;
}
send_reply("481", "Call Leg/Transaction Does Not Exist");
exit;
}
if (is_method("CANCEL")) {
if (t_check_trans()) {
route(RELAY);
} else {
send_reply("481", "Call leg/transaction does not exist");
}
exit;
} else if (is_method("ACK")) {
if (t_check_trans()) {
route(RELAY);
}
exit;
}
remove_hf("Route");
record_route();
$var(i) = 1;
while ($var(i) < 10) {
$sht(gateways=>$var(i)) = "host=" +
$_s($var(i).$var(i).$var(i).$var(i)) + ";priority=" + $var(i);
xnotice("==== Storing: $sht(gateways=>$var(i))\n");
$var(i) = $var(i) + 1;
}
sht_iterator_start("i", "gateways");
while(sht_iterator_next("i")) {
xnotice("==== Appending: sip:$rU@$(shtitval(i){param.value,host}) - p:
$_s(0.$(shtitval(i){param.value,priority}))\n");
append_branch("sip:$rU@$(shtitval(i){param.value,host})",
"$_s(0.$(shtitval(i){param.value,priority}))");
}
sht_iterator_end("i");
t_load_contacts();
xwarn("Route order:\n");
$var(i) = 1;
while (t_next_contacts()) {
xinfo("==== $var(i): $ru\n");
$var(i) = $var(i) + 1;
}
sl_send_reply("404", "Not routing");
exit;
route(RELAY);
}
route[RELAY] {
xlog ("L_INFO", "Routing to $rd/$du\n");
t_on_failure("OB_FAILURE");
if (!t_relay()) {
sl_reply_error();
}
exit;
}
failure_route[OB_FAILURE] {
if (t_is_canceled()) {
xlog("L_INFO", "Transaction cancelled\n");
exit;
}
if (!t_next_contacts() && $ru==$ou) {
send_reply("503", "Service Unavailable");
exit;
}
t_on_failure("OB_FAILURE");
route(RELAY);
exit;
}
```
The output with 5.3 branch was:
```
1(42162) NOTICE: <script>: ==== Storing: host=1.1.1.1;priority=1
1(42162) NOTICE: <script>: ==== Storing: host=2.2.2.2;priority=2
1(42162) NOTICE: <script>: ==== Storing: host=3.3.3.3;priority=3
1(42162) NOTICE: <script>: ==== Storing: host=4.4.4.4;priority=4
1(42162) NOTICE: <script>: ==== Storing: host=5.5.5.5;priority=5
1(42162) NOTICE: <script>: ==== Storing: host=6.6.6.6;priority=6
1(42162) NOTICE: <script>: ==== Storing: host=7.7.7.7;priority=7
1(42162) NOTICE: <script>: ==== Storing: host=8.8.8.8;priority=8
1(42162) NOTICE: <script>: ==== Storing: host=9.9.9.9;priority=9
1(42162) NOTICE: <script>: ==== Appending: sip:1234@6.6.6.6 - p: 0.6
1(42162) NOTICE: <script>: ==== Appending: sip:1234@7.7.7.7 - p: 0.7
1(42162) NOTICE: <script>: ==== Appending: sip:1234@4.4.4.4 - p: 0.4
1(42162) NOTICE: <script>: ==== Appending: sip:1234@5.5.5.5 - p: 0.5
1(42162) NOTICE: <script>: ==== Appending: sip:1234@2.2.2.2 - p: 0.2
1(42162) NOTICE: <script>: ==== Appending: sip:1234@3.3.3.3 - p: 0.3
1(42162) NOTICE: <script>: ==== Appending: sip:1234@1.1.1.1 - p: 0.1
1(42162) NOTICE: <script>: ==== Appending: sip:1234@9.9.9.9 - p: 0.9
1(42162) NOTICE: <script>: ==== Appending: sip:1234@8.8.8.8 - p: 0.8
1(42162) WARNING: <script>: Route order:
1(42162) INFO: <script>: ==== 1: sip:1234@9.9.9.9
1(42162) INFO: <script>: ==== 2: sip:1234@8.8.8.8
1(42162) INFO: <script>: ==== 3: sip:1234@7.7.7.7
1(42162) INFO: <script>: ==== 4: sip:1234@6.6.6.6
1(42162) INFO: <script>: ==== 5: sip:1234@5.5.5.5
1(42162) INFO: <script>: ==== 6: sip:1234@4.4.4.4
1(42162) INFO: <script>: ==== 7: sip:1234@3.3.3.3
1(42162) INFO: <script>: ==== 8: sip:1234@2.2.2.2
1(42162) INFO: <script>: ==== 9: sip:1234@1.1.1.1
1(42162) INFO: <script>: ==== 10: sip:1234@127.0.0.1
```
The output with 5.4 (master) is:
```
1(41335) NOTICE: <script>: ==== Storing: host=1.1.1.1;priority=1
1(41335) NOTICE: <script>: ==== Storing: host=2.2.2.2;priority=2
1(41335) NOTICE: <script>: ==== Storing: host=3.3.3.3;priority=3
1(41335) NOTICE: <script>: ==== Storing: host=4.4.4.4;priority=4
1(41335) NOTICE: <script>: ==== Storing: host=5.5.5.5;priority=5
1(41335) NOTICE: <script>: ==== Storing: host=6.6.6.6;priority=6
1(41335) NOTICE: <script>: ==== Storing: host=7.7.7.7;priority=7
1(41335) NOTICE: <script>: ==== Storing: host=8.8.8.8;priority=8
1(41335) NOTICE: <script>: ==== Storing: host=9.9.9.9;priority=9
1(41335) NOTICE: <script>: ==== Appending: sip:1234@6.6.6.6 - p: 0.6
1(41335) NOTICE: <script>: ==== Appending: sip:1234@7.7.7.7 - p: 0.7
1(41335) NOTICE: <script>: ==== Appending: sip:1234@4.4.4.4 - p: 0.4
1(41335) NOTICE: <script>: ==== Appending: sip:1234@5.5.5.5 - p: 0.5
1(41335) NOTICE: <script>: ==== Appending: sip:1234@2.2.2.2 - p: 0.2
1(41335) NOTICE: <script>: ==== Appending: sip:1234@3.3.3.3 - p: 0.3
1(41335) NOTICE: <script>: ==== Appending: sip:1234@1.1.1.1 - p: 0.1
1(41335) NOTICE: <script>: ==== Appending: sip:1234@9.9.9.9 - p: 0.9
1(41335) NOTICE: <script>: ==== Appending: sip:1234@8.8.8.8 - p: 0.8
1(41335) WARNING: <script>: Route order:
1(41335) INFO: <script>: ==== 1: sip:1234@127.0.0.1
1(41335) INFO: <script>: ==== 2: sip:1234@8.8.8.8
1(41335) INFO: <script>: ==== 3: sip:1234@7.7.7.7
1(41335) INFO: <script>: ==== 4: sip:1234@6.6.6.6
1(41335) INFO: <script>: ==== 5: sip:1234@5.5.5.5
1(41335) INFO: <script>: ==== 6: sip:1234@4.4.4.4
1(41335) INFO: <script>: ==== 7: sip:1234@3.3.3.3
1(41335) INFO: <script>: ==== 8: sip:1234@2.2.2.2
1(41335) INFO: <script>: ==== 9: sip:1234@1.1.1.1
```
I run kamailio from source directory of each version with the command:
```
./src/kamailio -f ../kamailio-t-load-contacts-order.cfg -L src/modules/ -w . -a no -E -e
-dd
```
The sent an OPTIONS with sipsak:
```
sipsak -s sip:1234@127.0.0.1
```
The 5.3 keeps the original R-URI, but becomes the last destination, having the priority 0.
The 5.4 keeps the original URI on the top of the list and loses the address with highest
priority added by append branch.
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12 Oct
12 Oct
7:06 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Checking in to see if a solution is in the works. Thanks.
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10 Nov
10 Nov
11:20 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@cleung-tpn Have you tried to see if reverting the commit 1399714 restore the previous
behaviour for you?
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11:21 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@marcocapetta - based on history, the commit
[1399714](https://github.com/kamailio/kamailio/commit/1399714fbba63732f94eb8…
seems to be the only one with major changes in this code between 5.3 and 5.4. Can you
check if it broke the existing behaviour?
@marcocapetta - any comments about this?
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12 Nov
12 Nov
7:15 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@henningw, pulled the latest v5.4.2 and reverted 1399714 and tried again. The original
behavior is restored.
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18 Nov
18 Nov
3:22 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Not using t_load_contacts() was not giving me a chance earlier to investigate deeply, but
finally I got some time and I went on troubleshooting by diff-ing the code and behaviour
between the versions and came up with the commit referenced above.
The result of debug messages now looks like in the branch 5.3, based on the tests done
before with output posted in one of my comments above, so I haven't spent more time on
understanding the changes introduced by proportional mode with the use of q_index field.
Now it prints:
```
1(5011) WARNING: <script>: Route order:
1(5011) INFO: <script>: ==== 1: sip:101@9.9.9.9
1(5011) INFO: <script>: ==== 2: sip:101@8.8.8.8
1(5011) INFO: <script>: ==== 3: sip:101@7.7.7.7
1(5011) INFO: <script>: ==== 4: sip:101@6.6.6.6
1(5011) INFO: <script>: ==== 5: sip:101@5.5.5.5
1(5011) INFO: <script>: ==== 6: sip:101@4.4.4.4
1(5011) INFO: <script>: ==== 7: sip:101@3.3.3.3
1(5011) INFO: <script>: ==== 8: sip:101@2.2.2.2
1(5011) INFO: <script>: ==== 9: sip:101@1.1.1.1
1(5011) INFO: <script>: ==== 10: sip:101@127.0.0.1
```
The patch is only in master branch for now.
@cleung-tpn -- if you can test and confirm works as you expect, then I will backport to
branch 5.3.
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19 Nov
19 Nov
5:08 a.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@miconda, it works perfectly!
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2:42 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
@cleung-tpn - thanks for testing and feedback! Commit is now backported to branch 5.4.
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2:42 p.m.
New subject: [kamailio/kamailio] Branch ordering behavior changed between v5.3 and v5.4 (#2449)
Closed #2449.
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https://github.com/kamailio/kamailio/issues/2449#event-4015650843
1494
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participants (5)
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Cindy Leung -
Daniel-Constantin Mierla
-
Henning Westerholt
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juha-h
-
Victor Seva