[OpenSIPS-Users] opensips 3.2 with b2bua.
johan
johan at democon.be
Fri Jun 18 12:57:27 EST 2021
Ok, this was trivial, I forgot to put b2b_handle_reply .... :-)
On 18/06/2021 11:06, johan wrote:
> Hi,
>
> it seems to me that I don't grasp b2bua.
>
> The purpose of this script is very simple :
>
> - handle registration
>
> - on receiving an invite then put the 2 entities in contact with each
> other.
>
>
> For some reason, b2bua can't route the reply.
>
>
> Log:
>
> Jun 18 04:55:20 debian10opensips31 /data/opensips/sbin/opensips[3041]:
> route[0] INVITE sip:1000 at 192.168.68.115;transport=UDP
> SIP/2.0#015#012Via: SIP/2.0/UDP
> 192.168.68.104:44072;branch=z9hG4bK-524287-1---519c17eab6690bb8;rport#015#012Max-Forwards:
> 70#015#012Contact:
> <sip:1001 at 192.168.68.104:44072;transport=UDP>#015#012To:
> <sip:1000 at 192.168.68.115>#015#012From:
> <sip:1001 at 192.168.68.115;transport=UDP>;tag=8e780c78#015#012Call-ID:
> ywvufmDkg195whyiReyxBw..#015#012CSeq: 1 INVITE#015#012Allow: INVITE,
> ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO,
> SUBSCRIBE#015#012Content-Type: application/sdp#015#012User-Agent: Zoiper
> rv2.10.12.3-mod#015#012Allow-Events: presence, kpml,
> talk#015#012Content-Length: 185#015#012#015#012v=0#015#012o=Zoiper
> 1624006519564 1 IN IP4 192.168.68.104#015#012s=Z#015#012c=IN IP4
> 192.168.68.104#015#012t=0 0#015#012m=audio 44128 RTP/AVP 0 101
> 8#015#012a=rtpmap:101 telephone-event/8000#015#012a=fmtp:101
> 0-16#015#012a=sendrecv#015
> Jun 18 04:55:20 debian10opensips31 /data/opensips/sbin/opensips[3041]:
> INFO:b2b_logic:b2bl_add_client: adding entity
> [0x7f8e0f112f88]->[B2B.274.5538153.1624006520] to tuple
> [0x7f8e0f10cd48]->[274.0]
> Jun 18 04:55:20 debian10opensips31 /data/opensips/sbin/opensips[3041]:
> route[0] INVITE sip:1000 at 192.168.68.115 SIP/2.0#015#012Via: SIP/2.0/UDP
> 192.168.68.115:5060;branch=z9hG4bKba3f.67a6a393.0#015#012To:
> sip:1000 at 192.168.68.109:38419#015#012From:
> <sip:1001 at 192.168.68.115;transport=UDP>;tag=29b4ae0b3643070a47d5f40529fb2fbd-cdb7#015#012CSeq:
> 2 INVITE#015#012Call-ID: B2B.274.5538153.1624006520#015#012Max-Forwards:
> 70#015#012Content-Length: 185#015#012User-Agent: OpenSIPS (3.2.0-beta
> (x86_64/linux))#015#012Content-Type: application/sdp#015#012Allow:
> INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO,
> SUBSCRIBE#015#012Contact:
> <sip:192.168.68.115>#015#012#015#012v=0#015#012o=Zoiper 1624006519564 1
> IN IP4 192.168.68.104#015#012s=Z#015#012c=IN IP4
> 192.168.68.104#015#012t=0 0#015#012m=audio 44128 RTP/AVP 0 101
> 8#015#012a=rtpmap:101 telephone-event/8000#015#012a=fmtp:101
> 0-16#015#012a=sendrecv#015
> Jun 18 04:55:20 debian10opensips31 /data/opensips/sbin/opensips[3041]:
> INFO:b2b_logic:b2bl_add_client: adding entity
> [0x7f8e0f119368]->[B2B.274.5538153.1624006520] to tuple
> [0x7f8e0f1131c8]->[274.1]
> Jun 18 04:55:21 debian10opensips31 /data/opensips/sbin/opensips[3040]:
> callid=B2B.274.5538153.1624006520: route[b2b_reply]: incoming reply mb
> [SIP/2.0 180 Ringing#015#012Via: SIP/2.0/UDP
> 192.168.68.115:5060;branch=z9hG4bKca3f.1c958c27.0#015#012Contact:
> <sip:1000 at 192.168.68.109:38419>#015#012To:
> <sip:1000 at 192.168.68.109:38419>;tag=1095d332#015#012From:
> <sip:1001 at 192.168.68.115;transport=UDP>;tag=29b4ae0b3643070a47d5f40529fb2fbd-cdb7#015#012Call-ID:
> B2B.274.5538153.1624006520#015#012CSeq: 3 INVITE#015#012Allow: INVITE,
> ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO,
> SUBSCRIBE#015#012User-Agent: Z 5.3.8 rv2.9.30-mod#015#012Allow-Events:
> presence, kpml, talk#015#012Content-Length: 0#015#012#015#012]
> Jun 18 04:55:23 debian10opensips31 /data/opensips/sbin/opensips[3041]:
> INFO:b2b_logic:b2b_add_dlginfo: Dialog pair:
> [B2B.274.5538153.1624006520] - [B2B.274.5538153.1624006520]
> Jun 18 04:55:23 debian10opensips31 /data/opensips/sbin/opensips[3041]:
> callid=B2B.274.5538153.1624006520: route[b2b_reply]: incoming reply mb
> [SIP/2.0 200 OK#015#012Via: SIP/2.0/UDP
> 192.168.68.115:5060;branch=z9hG4bKca3f.1c958c27.0#015#012Contact:
> <sip:1000 at 192.168.68.109:38419>#015#012To:
> <sip:1000 at 192.168.68.109:38419>;tag=1095d332#015#012From:
> <sip:1001 at 192.168.68.115;transport=UDP>;tag=29b4ae0b3643070a47d5f40529fb2fbd-cdb7#015#012Call-ID:
> B2B.274.5538153.1624006520#015#012CSeq: 3 INVITE#015#012Allow: INVITE,
> ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO,
> SUBSCRIBE#015#012Content-Type: application/sdp#015#012User-Agent: Z
> 5.3.8 rv2.9.30-mod#015#012Allow-Events: presence, kpml,
> talk#015#012Content-Length: 165#015#012#015#012v=0#015#012o=Z 0 1 IN IP4
> 192.168.68.109#015#012s=Z#015#012c=IN IP4 192.168.68.109#015#012t=0
> 0#015#012m=audio 8000 RTP/AVP 8 101#015#012a=rtpmap:101
> telephone-event/8000#015#012a=fmtp:101 0-16#015#012a=sendrecv#015#012]
>
> johan at debian10opensips31:~$
>
>
> Script below:
>
> ####### Global Parameters #########
>
> /* uncomment the following lines to enable debugging */
> #debug_mode=yes
>
> log_level=3
> log_stderror=no
> log_facility=LOG_LOCAL0
>
> udp_workers=4
>
> /* uncomment the next line to enable the auto temporary blacklisting of
> not available destinations (default disabled) */
> #disable_dns_blacklist=no
>
> /* uncomment the next line to enable IPv6 lookup after IPv4 dns
> lookup failures (default disabled) */
> #dns_try_ipv6=yes
>
> socket=udp:*:5060
>
> ####### Modules Section ########
> #set module path
> mpath="/data/opensips/lib64/opensips/modules/"
>
> #### SIGNALING module
> loadmodule "signaling.so"
>
> #### StateLess module
> loadmodule "sl.so"
>
> #### Transaction Module
> loadmodule "tm.so"
> modparam("tm", "fr_timeout", 5)
> modparam("tm", "fr_inv_timeout", 30)
> modparam("tm", "restart_fr_on_each_reply", 0)
> modparam("tm", "onreply_avp_mode", 1)
>
>
> #### MAX ForWarD module
> loadmodule "maxfwd.so"
>
> #### SIP MSG OPerationS module
> loadmodule "sipmsgops.so"
>
> #### FIFO Management Interface
> loadmodule "mi_fifo.so"
> modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
> modparam("mi_fifo", "fifo_mode", 0666)
>
> #### USeR LOCation module
> loadmodule "usrloc.so"
> modparam("usrloc", "nat_bflag", "NAT")
> modparam("usrloc", "working_mode_preset", "single-instance-no-db")
>
> #### REGISTRAR module
> loadmodule "registrar.so"
> modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
>
> loadmodule "proto_udp.so"
>
> loadmodule "mi_datagram.so"
> loadmodule "event_datagram.so"
> modparam("mi_datagram", "socket_name", "udp:127.0.0.1:8080")
> loadmodule "b2b_entities.so"
> loadmodule "b2b_logic.so"
> modparam("b2b_logic", "script_req_route", "b2b_logic_request")
> modparam("b2b_logic", "script_reply_route", "b2b_reply")
>
> #### cfgutils
> loadmodule "cfgutils.so"
> #### textops
> loadmodule "textops.so"
> #### nathelper
> loadmodule "nathelper.so"
> #### rr
> loadmodule "rr.so"
> ####### Routing Logic ########
>
> # main request routing logic
>
> route
> {
> xlog("route[0] $mb");
> if (!mf_process_maxfwd_header(10))
> {
> send_reply(483,"Too Many Hops");
> exit;
> }
>
> # preloaded route checking
> if (loose_route())
> {
> xlog("LOOSE ROUTING $mb");
> route(relay);
> }
>
>
> # requests for my domain
> if (is_method("PUBLISH|SUBSCRIBE"))
> {
> send_reply(503, "Service Unavailable");
> exit;
> }
>
> if (is_method("REGISTER"))
> {
> if (!save("location"))
> sl_reply_error();
> exit;
> }
> if ($rU==NULL)
> {
> # request with no Username in RURI
> send_reply(484,"Address Incomplete");
> exit;
> }
>
> lookup("location","m");
>
> if (is_method("INVITE") && !has_totag()) {
>
> # create the server entity
> b2b_server_new("caller",$fu);
> # create the initial client entity, to connect the caller with
> the callee
> b2b_client_new("callee", $tu);
> # initialize B2B session for the "refer" scenario
> b2b_init_request("refer");
> }
> }
>
>
> route[b2b_logic_request]
> {
> xlog("callid=$ci: route b2b logic request: received message $mb");
>
> if ($rm != "REFER") {
> # for requests other than REFER, no special actions needs to be
> done,
> # just pass the request to the peer
>
> b2b_pass_request();
> exit;
> }
>
> # end dialog with the referrer
> b2b_send_reply(202, "Accepted");
> b2b_end_dlg_leg();
>
> # create the client entity corresponding to
> # the user specified in the 'Refer-To' header
> b2b_client_new("referee", $hdr(Refer-To));
>
> # bridge the referrer's peer with the referee
> b2b_bridge("peer", "referee");
> }
>
> route[b2b_reply]
> {
> xlog("callid=$ci: route[b2b_reply]: incoming reply mb [$mb]\n");
> }
>
> route[relay] {
> # send it out now; use stateful forwarding as it works reliably
> # even for UDP2TCP
> xlog("callid=$ci: route[relay]: incoming message mb [$mb]\n");
> if (!t_relay()) {
> sl_reply_error();
> };
> exit;
> }
>
> Can somebody please give a hint on what I am doing wrong ?
>
>
> wkr,
>
>
>
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