sr-dev April 2018

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19 participants
256 discussions

[kamailio/kamailio] cfgt: doesn't support tm_suspend() tm_continue() (#684)

by Victor Seva

Actual implementation doesn't work with async. Need to investigate how to support it --- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/684

10 months

[kamailio/kamailio] core: use standard c atomic code from stdatomic.h instead of providing assembly routines (#1430)

by Victor Seva

>From https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=886111 ``` Source: kamailio Version: 5.1.0-1 Severity: wishlist Hi, I noticed from the build log on mips64el a lot of warnings like this: > In file included from ../../core/parser/../mem/../atomic/atomic_native.h:50:0, > from ../../core/parser/../mem/../futexlock.h:42, > from ../../core/parser/../mem/../lock_ops.h:75, > from ../../core/parser/../mem/shm.h:39, > from ../../core/parser/../mem/shm_mem.h:34, > from ../../core/parser/../ut.h:45, > from ../../core/parser/../ip_addr.h:39, > from ../../core/parser/msg_parser.h:37, > from app_sqlang_api.h:28, > from app_sqlang_kemi_export.c:32: > ../../core/parser/../mem/../atomic/atomic_mips2.h:41:2: warning: #warning mips64 atomic code was not tested, please report problems to serdev(a)iptel.org or andrei(a)iptel.org [-Wcpp] > #warning mips64 atomic code was not tested, please report problems to \ > ^~~~~~~ If possible, kamailio should use the standard c atomic code from stdatomic.h instead of providing assembly routines. This will improve maintainability and architecture support. Thanks, James ``` -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/1430

12 months

[kamailio/kamailio] tmx: t_reuse_branch() doesn't copy $du into new branch (#1264)

by Sebastian Damm

### Description When using the t_reuse_branch() function after a branch failure, Kamailio doesn't send out the call again if $du was filled and differed from $ru. Instead, Kamailio tries to send the call directly to $ru. I would expect that the call gets sent out the same way as the original call. ### Troubleshooting #### Reproduction You need a setup like this: UAC1 K(LB) <=> K(Proxy/Registrar) <=> K(LB) => UAC2 When a UAC registers, the Path module is used to save the LB (Loadbalancer) for outbound calls. When UAC1 calls UAC2, the original call gets sent through K(LB) to UAC2. However, if the first call gets rejected and the call gets retried through branch failure route, K(Proxy/Registrar) tries to send the call directly to the request URI. In your branch_route add a reference to a branch failure route: ```t_on_branch_failure("samplename");``` Then add a branch failure route like this: ```event_route[tm:branch-failure:handle_tls_branch] { if(t_check_status("488")) { if (isbflagset(0) && !isbflagset(1)) { t_reuse_branch(); setbflag(1); t_relay(); } } }``` When filling $du manually before sending out the call again, everything works. ### Possible Solutions The original destination URI should be copied to the reused branch. ### Additional Information * **Kamailio Version** - output of `kamailio -v` ``` version: kamailio 4.4.5 (x86_64/linux) flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, 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: unknown compiled with gcc 4.7.2 ``` But from what I see in source code, the devel version still copies the same value. * **Operating System**:  ``` Debian Wheezy ``` -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/1264

12 months

[kamailio/kamailio] Solve the high potential of having conflicts for internal dialog id in multiple simultaneous kamailio instances (#1500)

by alexsosic

Regarding the issue 1274 (https://github.com/kamailio/kamailio/issues/1274) there's a problem in highly scalable environments to avoid conflicts in storing dialogs in the same DB. As @miconda pointed out: > The internal id is made from two integers, hash entry and hash id (h_entry, h_id). h_entry is the index of the slot in the hash table used to store the dialog structure, computed by hashing over call id. h_id is an incremented integer specific for each hash table slot. > > So, when loading a new record from database, if its h_id is not conflicting with an existing dialog on the same hash table slot, all is ok, otherwise the module is not going to work properly with two dialogs having same h_id. > > So, when loading a new record from database, if its h_id is not conflicting with an existing dialog on the same hash table slot, all is ok, otherwise the module is not going to work properly with two dialogs having same h_id. > > Among solutions I thought of: > > 1. have the servers generating non conflicting h_id, by having a start value different per server and an increment step larger than the number of servers. Iirc, here was at some point a similar attempt, but somehow didn't make it. Let's say one has two servers, first server starts allocating h_id from 1 and increments by 2 (e.g: 1, 3, 5, ...) and the seconds start from 2 and increments with 2 (2, 4, 6, ...). Those values can be set via mod params, eventually with an option to rely on server_id. > This should be the least intrusive in the other modules built on top of dialog. But it is rather rigid, with the example above, if one adds an extra server, it needs to reconfigure the old ones, so each server starts from either 1, 2 or 3 and increment by 3. Of course, one can set increment step to a larger value, like 100, and then has flexibility to deploy up to 1 hundred servers before having to reconfigure in case there is need for more server. > > 2. add server_id as the third field in the dialog id. It will require review of other modules using dialog and eventual code updates in those modules. One column to store the server_id needs to be added to dialog db tables. > > 3. switch from this conflicting id system to something like string unique ids, similar to what we have in usrloc records. This will require coding in other modules, changes to database schema, etc., so more work comparing with the above two, but could be the best in long term. It would be great to have the option 3 developed if possible but we would also be satisfied with the option 2 to have a third field, server_id, in the dialog id. Thank You! -- Alex -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/1500

12 months

[kamailio/kamailio] allow more than one tcp/tls connection to same destination (#1107)

by juha-h

When K connects to another SIP proxy over TCP or TLS, the connection is shared for all requests to that destination. If the receiving SIP proxy is K, it means that only one worker process is handling all those requests. This may become a bottleneck if processing of requests is time consuming, e.g., because of DB operations. It should therefore be possible one way or another to establish more than one parallel TCP or TLS connections to the same destination. One solution could be based on a function call, such as t_forward_connect(number), to be called before t_relay specifying the desired number of parallel connections shared randomly by outgoing requests. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/1107

12 months

[kamailio/kamailio] kazoo: incomplete documentation (#976)

by Ovidiu Sas

There are lots of module parameters that are not documented in the README file: "amqp_timmer_process_interval" "amqp_consumer_ack_timeout_micro" "amqp_consumer_ack_timeout_sec" "amqp_interprocess_timeout_micro" "amqp_interprocess_timeout_sec" "amqp_waitframe_timeout_micro" "amqp_waitframe_timeout_sec" "amqp_consumer_workers" "amqp_query_timeout_micro" "amqp_query_timeout_sec" "pua_include_entity" "json_escape_char" "app_name" "use_federated_exchange" "federated_exchange" "amqp_heartbeats" "amqp_primary_zone" "amqp_command_hashtable_size" "amqp_result_avp" "amqps_ca_cert" "amqps_cert" "amqps_key" "amqps_verify_peer" "amqps_verify_hostname" Also, the follwing functions are not documented: "kazoo_json_keys" "kazoo_async_query" -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/976

12 months

[kamailio/kamailio] Presentity tabla, faster update when drop TCP/TLS connection (#915)

by jresende

Hello, I'm testing kamailio with a SIP client with presence support, when I get a connection drop from a client (i.e when the client lost the access to the Internet connection) I do not receive the change in the status to offline immediately, I just received when the timeout from the presentity database finishes. I know that I'm able to change the expiry parameter from the presentity table, but that increases my battery consumption and the data exchange, the same happens if I reduce the publish interval on the client side. The connection with the server are connected with the TLS or TCP. @miconda Suggested that a solution could be: "For TCP/TLS, what can work, it's to use tcpops module which can execute an event route when a tcp/tls connection is dropped. If you track the association of connection id with the call-id of the presence publish, then you may be able to do some tricks and lower the expires of the published presence state. I haven't had the time to see what's possible there, but could worth investing. An alternative would be to enhance presence module to behave as registrar/usrloc (which can delete contact records on connection drop) to expire documents when tcp/tls connection is closed (not sure if anyone already added it)." -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/915

12 months

[kamailio/kamailio] support valgrind when *_MALLOC is used (#949)

by Victor Seva

As explain at https://www.kamailio.org/wiki/tutorials/troubleshooting/memory#pkg_with_sys… valgrind can be used to check memory leaks if kamailio is compiled without ``*_MALLOC``. I would like to support valgrind even if kamailio is compiled to use its own memory managers. In order to archive this, valgrind has to be informed of how those managers control the memory as described at http://valgrind.org/docs/manual/mc-manual.html#mc-manual.mempools -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/949

12 months

[kamailio/kamailio] dnssec: stop using libdnsval-dev for DNSSEC validation (#851)

by Victor Seva

From https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=843477 > From: Ondřej Surý <ondrej(a)debian.org> > To: Debian Bug Tracking System <submit(a)bugs.debian.org> > Subject: src:kamailio: stop using libval-dev for DNSSEC validation > > Package: src:kamailio > Version: 4.4.3-2 > Severity: serious > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > Dear maintainer, > > please stop using libdnsval-dev for DNSSEC validation. src:dnsval > is very poorly upstream maintained (SVN repository, issue tracker, > mailing list are non-functional) and I am going to schedule it for > removal for stretch. > > In a long term you should migrated to better and maintained library > (preferrably getdns or just libunbound), but now please just drop > it. > > Cheers, > Ondrej > > - -- System Information: > Debian Release: 8.6 > APT prefers stable-updates > APT policy: (500, 'stable-updates'), (500, 'proposed-updates'), (500, 'stable') > Architecture: amd64 (x86_64) > > Kernel: Linux 4.2.0-41-generic (SMP w/24 CPU cores) > Locale: LANG=en_DK.UTF-8, LC_CTYPE=en_DK.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > -----BEGIN PGP SIGNATURE----- So I'm going to remove **dnssec** module from the official Debian package -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/851

12 months

[kamailio/kamailio] track_cseq_updates does not update Rack SIP header in PRACK. (#801)

by scfcplummy

Hi, When using dialog module and track_cseq_updates when needing to update CSeq for authenticated invites, if early media is present the CSeq in the Rack header is not also incremented. Kamailio version: version: kamailio 4.4.2 (x86_64/linux) 892ad6 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: 892ad6 compiled on 11:18:36 Sep 28 2016 with gcc 5.4.0 -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/801

12 months

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sr-dev April 2018