19 Feb
2020
19 Feb
'20
7 p.m.
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### Description
When called from within an event_route[tm:branch-failure:id], rtpengine_manage() will do
an offer instead of a delete, resulting in duplicated sdp lines in body. Is this an
omission or is it intentional?
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Explain what you did, what you expected to happen, and what actually happened.
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### Troubleshooting
#### Reproduction
```
event_route[tm:branch-failure:DISPATCH_PROVIDER_FAILOVER] {
rtpengine_manage("trust-address replace-origin
replace-session-connection");
# next DST - only for 5xx or local timeout
if ( t_check_status("5[[:digit:]]+") || (t_branch_timeout() &&
!t_branch_replied()) ) {
if ( ds_next_dst() ) {
xlog("L_NOTICE", "--- SCRIPT_DISPATCH_PROVIDER_FAILOVER: A
failover destination was selected: Forwarding to $du\n");
t_on_branch("PROVIDER_BRANCH");
t_on_branch_failure("DISPATCH_PROVIDER_FAILOVER");
t_on_failure("NEXT_PROVIDER");
route(RELAY);
exit;
} else {
xlog("L_NOTICE", "--- DISPATCH_PROVIDER_FAILOVER: PROVIDER
DOWN! Failed to route request to provider! Giving Up. Negative response will be sent
upstream.\n");
}
}
}
```
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If the issue can be reproduced, describe how it can be done.
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### Possible Solutions
Explicitly use rtpengine_delete() instead.
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request with a fix.
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### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.3.2 (x86_64/linux)
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST,
DNS_IP_HACK, 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, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535,
DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled with gcc 8.3.0
```
* **Operating System**:
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CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `uname -a`)
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```
Debian 10.3
Linux #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64 GNU/Linux
```
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