[OpenSIPS-Users] Cluster (anycast) adds extra hex 00 in the tail to replicated responses.

Nick Altmann nick at altmann.pro
Mon Jan 9 09:41:26 UTC 2023


It's 3.4/nightly.

--
Nick


Hello!
> Thanks!!!
>
> Do we have a yum repository where packages from the master branch are
> built?
>
>
> пн, 9 янв. 2023 г. в 10:27, Răzvan Crainea <razvan at opensips.org>:
>
>> Hi, Denys!
>>
>> I've just pushed a fix[1] in the master branch - can you please give it
>> a try and let me know if this fixes your setup, so I can backport it
>> down to 3.1?
>>
>> [1]
>>
>> https://github.com/OpenSIPS/opensips/commit/81e9b14a16acd284469d8958c57dcece69699a85
>>
>> Best regards,
>>
>> Răzvan Crainea
>> OpenSIPS Core Developer
>> http://www.opensips-solutions.com
>>
>> On 1/9/23 10:03, Denys Pozniak wrote:
>> > Hello!
>> >
>> > Sorry to bring the topic up, but so far I have no idea what the problem
>> > is. Or do I need to open an issue on github?
>> >
>> > вт, 3 янв. 2023 г. в 13:58, Denys Pozniak <denys.pozniak at gmail.com
>> > <mailto:denys.pozniak at gmail.com>>:
>> >
>> >     Hello!
>> >
>> >     I'm trying to build a classic anycast cluster topology with two
>> >     OpenSIPS nodes, in which requests are processed by one proxy and
>> >     responses by another.
>> >     The client and server are emulated via baresip.
>> >     But I ran into a problem in that the replicated responses have an
>> >     extra 00 in the tail of the reply (the original reply from baresip
>> >     UAS does not have it).
>> >
>> >     ngrep -x:
>> >     #
>> >     U 192.168.100.100:5060 <http://192.168.100.100:5060> ->
>> >     192.168.56.103:37279 <http://192.168.56.103:37279> #5
>> >        53 49 50 2f 32 2e 30 20    31 38 30 20 52 69 6e 67    SIP/2.0 180
>> >     Ring
>> >        69 6e 67 0d 0a 52 65 63    6f 72 64 2d 52 6f 75 74
>> >       ing..Record-Rout
>> >        65 3a 20 3c 73 69 70 3a    31 39 32 2e 31 36 38 2e    e:
>> >     <sip:192.168.
>> >        31 30 30 2e 31 30 30 3b    6c 72 3e 0d 0a 56 69 61
>> >       100.100;lr>..Via
>> >        3a 20 53 49 50 2f 32 2e    30 2f 55 44 50 20 31 39    :
>> >     SIP/2.0/UDP 19
>> >        32 2e 31 36 38 2e 35 36    2e 31 30 33 3a 33 37 32
>> >     2.168.56.103:372 <http://2.168.56.103:372>
>> >        37 39 3b 72 65 63 65 69    76 65 64 3d 31 39 32 2e
>> >       79;received=192.
>> >        31 36 38 2e 35 36 2e 31    30 33 3b 62 72 61 6e 63
>> >       168.56.103;branc
>> >        68 3d 7a 39 68 47 34 62    4b 62 65 63 38 65 38 66
>> >       h=z9hG4bKbec8e8f
>> >        30 32 36 62 65 39 31 34    61 3b 72 70 6f 72 74 3d
>> >       026be914a;rport=
>> >        33 37 32 37 39 0d 0a 54    6f 3a 20 3c 73 69 70 3a    37279..To:
>> >     <sip:
>> >        31 30 30 40 31 39 32 2e    31 36 38 2e 31 30 30 2e
>> >     100 at 192.168.100. <mailto:100 at 192.168.100.>
>> >        31 30 30 3b 74 72 61 6e    73 70 6f 72 74 3d 75 64
>> >       100;transport=ud
>> >        70 3e 3b 74 61 67 3d 32    37 65 33 63 32 31 38 65
>> >       p>;tag=27e3c218e
>> >        30 65 61 31 32 30 64 0d    0a 46 72 6f 6d 3a 20 3c
>> >       0ea120d..From: <
>> >        73 69 70 3a 32 30 30 40    31 39 32 2e 31 36 38 2e
>> >       sip:200 at 192.168.
>> >        31 30 30 2e 31 30 30 3a    35 30 36 30 3e 3b 74 61
>> >       100.100:5060>;ta
>> >        67 3d 35 36 38 35 66 33    38 39 61 39 37 66 65 31
>> >       g=5685f389a97fe1
>> >        30 32 0d 0a 43 61 6c 6c    2d 49 44 3a 20 31 32 34
>> >       02..Call-ID: 124
>> >        39 37 61 63 37 36 65 38    30 34 66 35 36 0d 0a 43
>> >       97ac76e804f56..C
>> >        53 65 71 3a 20 36 33 37    30 37 20 49 4e 56 49 54    Seq: 63707
>> >     INVIT
>> >        45 0d 0a 53 65 72 76 65    72 3a 20 62 61 72 65 73    E..Server:
>> >     bares
>> >        69 70 20 76 32 2e 31 30    2e 30 20 28 78 38 36 5f    ip v2.10.0
>> >     (x86_
>> >        36 34 2f 4c 69 6e 75 78    29 0d 0a 43 6f 6e 74 61
>> >       64/Linux)..Conta
>> >        63 74 3a 20 3c 73 69 70    3a 31 30 30 2d 30 78 63    ct:
>> >     <sip:100-0xc
>> >        62 63 31 39 30 40 31 39    32 2e 31 36 38 2e 35 36
>> >       bc190 at 192.168.56
>> >        2e 31 30 36 3a 35 30 38    30 3e 0d 0a 41 6c 6c 6f
>> >       .106:5080>..Allo
>> >        77 3a 20 49 4e 56 49 54    45 2c 41 43 4b 2c 42 59    w:
>> >     INVITE,ACK,BY
>> >        45 2c 43 41 4e 43 45 4c    2c 4f 50 54 49 4f 4e 53
>> >       E,CANCEL,OPTIONS
>> >        2c 4e 4f 54 49 46 59 2c    53 55 42 53 43 52 49 42
>> >       ,NOTIFY,SUBSCRIB
>> >        45 2c 49 4e 46 4f 2c 4d    45 53 53 41 47 45 2c 55
>> >       E,INFO,MESSAGE,U
>> >        50 44 41 54 45 2c 52 45    46 45 52 0d 0a 43 6f 6e
>> >       PDATE,REFER..Con
>> >        74 65 6e 74 2d 4c 65 6e    67 74 68 3a 20 30 0d 0a
>> >       tent-Length: 0..
>> >        0d 0a 00                                              ...
>> >     #
>> >
>> >     So it throws a Baresip error:
>> >     call: SIP Progress: 100 Trying-2 (/)
>> >     call: SIP Progress: 100 Giving it a try (/)
>> >     call: SIP Progress: 180 Ringing (/)
>> >     call: could not decode SDP answer: Bad message [74]
>> >
>> >     192.168.56.103 - baresip UAC
>> >     192.168.56.106 - baresip UAS
>> >     192.168.100.100 - anycast OpenSIPS
>> >
>> >     opensips.cfg (node2):
>> >     ...
>> >     socket = udp:192.168.100.100 anycast
>> >     socket= bin:192.168.56.105:5566 <http://192.168.56.105:5566>
>> >     ...
>> >     modparam ("tm", "tm_replication_cluster", 1)
>> >     modparam("clusterer", "db_mode", 0)
>> >     modparam("clusterer", "my_node_id", 2)
>> >     modparam("clusterer", "my_node_info", "cluster_id=1,
>> >     url=bin:192.168.56.105:5566 <http://192.168.56.105:5566>")
>> >     modparam("clusterer", "neighbor_node_info",
>> >     "cluster_id=1,node_id=1,url=bin:192.168.56.104:5566
>> >     <http://192.168.56.104:5566>")
>> >     modparam("clusterer", "sharing_tag", "vip1/2=active")
>> >     ...
>> >     ####### Routing Logic ########
>> >
>> >     route{
>> >
>> >              if ( !mf_process_maxfwd_header(10) ) {
>> >                      send_reply(483,"Too Many Hops");
>> >                      exit;
>> >              }
>> >
>> >              sl_send_reply(100, "Trying-2");
>> >
>> >              if (has_totag()) {
>> >
>> >                      if ( !loose_route() && !t_check_trans() ) {
>> >                              if ( is_method("ACK") ) {
>> >                                      t_anycast_replicate();
>> >                                      exit;
>> >                              }
>> >                      }
>> >
>> >                      t_relay();
>> >                      exit;
>> >              }
>> >
>> >              if (is_method("CANCEL")) {
>> >                      if (t_check_trans()) {
>> >                              t_relay();
>> >
>> >                      } else {
>> >                              t_anycast_replicate();
>> >                      }
>> >
>> >                      exit;
>> >              }
>> >
>> >              t_check_trans();
>> >
>> >              if (!is_method("REGISTER|MESSAGE")) {
>> >                      record_route();
>> >              }
>> >
>> >              if ( is_method("INVITE") && $si!="5080" ) {
>> >                      $du = "sip:192.168.56.106:5080
>> >     <http://192.168.56.106:5080>";
>> >              }
>> >
>> >              t_relay();
>> >              exit;
>> >
>> >     }
>> >
>> >     [root at localhost opensips]# opensips -V
>> >     version: opensips 3.3.2 (x86_64/linux)
>> >     flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC,
>> >     Q_MALLOC, F_MALLOC, HP_MALLOC, DBG_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
>> >     ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN
>> >     16, MAX_URI_SIZE 1024, BUF_SIZE 65535
>> >     poll method support: poll, epoll, sigio_rt, select.
>> >     main.c compiled on 16:12:02 Oct 19 2022 with gcc 4.8.5
>> >
>> >
>> >     --
>> >
>> >     BR,
>> >     Denys Pozniak
>> >
>> >
>> >
>> >
>> > --
>> >
>> > BR,
>> > Denys Pozniak
>> >
>> >
>> >
>> > _______________________________________________
>> > Users mailing list
>> > Users at lists.opensips.org
>> > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
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>>
>
>
> --
>
> BR,
> Denys Pozniak
>
>
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