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mgw: Introduce test TC_two_crcx_mdcx_and_iuup_rtp_mdcx_to_iuup 

Related: SYS#6578
Change-Id: I08eca9ea123029c37892d5de7c94a8ed6cc0a913
This commit is contained in:
Pau Espin 2023-09-27 14:48:10 +02:00 committed by pespin
parent 64f2086e68
commit 0bc0212195
2 changed files with 103 additions and 0 deletions
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102
mgw/MGCP_Test.ttcn
View File

@ -3168,6 +3168,107 @@ module MGCP_Test {
mp_local_ipv4, mp_remote_ipv4);
}
/* Set up Endpoint with 1 IuUP conn and 1 RTP-AMR conn, then MDCX the later to become IuUP. */
function f_tc_two_crcx_mdcx_and_iuup_rtp_mdcx_to_iuup(charstring local_ip_a, charstring remote_ip_a,
IuUP_RabFlowCombinationList rfcl_a,
charstring local_ip_b, charstring remote_ip_b) runs on dummy_CT {
var RtpFlowData flow[2];
var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain;
var MgcpCallId call_id := '1227'H;
var RtpemStats stats[2][2];
f_init(ep);
/* Create the first connection in receive only mode (RNC side, IuUP-Init active) */
flow[0] := valueof(t_RtpFlow(local_ip_a, remote_ip_a, 96, "VND.3GPP.IUFP/16000"));
flow[0].em.portnr := 10000;
flow[0].rtp_cfg := c_RtpemDefaultCfg;
flow[0].rtp_cfg.tx_payloads[0].payload_type := flow[0].codec_descr[0].pt;
flow[0].rtp_cfg.rx_payloads[0].payload_type := flow[0].codec_descr[0].pt;
flow[0].rtp_cfg.tx_payloads[0].fixed_payload := '4f28959ffeb80181f5c4e83d176c897b4a4e333298333419a493ca63ded6e0'O;
/* flow[1].rtp_cfg.rx_payloads[0].fixed_payload converted AMR-BE-RTP->AMR-IUUP*/
flow[0].rtp_cfg.rx_payloads[0].fixed_payload := '08556d944c71a1a081e7ead204244480000ecd82b81118000097c4794e7740'O;
flow[0].rtp_cfg.iuup_mode := true;
flow[0].rtp_cfg.iuup_cfg.active_init := true;
flow[0].rtp_cfg.iuup_cfg.rab_flow_combs := rfcl_a;
/* Create the second connection. This connection will be also
* in receive only mode (CN side, regular RTP) */
flow[1] := valueof(t_RtpFlow(local_ip_b, remote_ip_b, 112, "AMR/8000"));
flow[1].em.portnr := 20000;
flow[1].rtp_cfg := c_RtpemDefaultCfg;
flow[1].rtp_cfg.tx_payloads[0].payload_type := flow[1].codec_descr[0].pt;
flow[1].rtp_cfg.rx_payloads[0].payload_type := flow[1].codec_descr[0].pt;
flow[1].rtp_cfg.tx_payloads[0].fixed_payload := '0382155b65131c68682079fab4810911200003b360ae0446000025f11e539dd0'O;
/* flow[0].rtp_cfg.rx_payloads[0].fixed_payload converted AMR-IuUP->AMR-BE-RTP*/
flow[1].rtp_cfg.rx_payloads[0].fixed_payload := 'f3d3ca2567ffae00607d713a0f45db225ed2938ccca60ccd066924f298f7b5b8'O;
flow[1].rtp_cfg.iuup_mode := false;
f_two_crcx_mdcx_data_transfer(ep, call_id, flow[0], flow[1], false);
setverdict(pass);
/* Stop sending further pkts to RTPEM[1], to avoid race conditions where RTP is sent while we
* reconfigure MGW (and our RTPEM) for IuUP:
*/
f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY);
f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY);
f_sleep(0.5);
/* Modify the AMR side to also do IuUP */
flow[1].codec_descr := {{
pt := 96,
codec := "VND.3GPP.IUFP/16000",
fmtp := omit
}};
flow[1].rtp_cfg.iuup_mode := true;
flow[1].rtp_cfg.iuup_cfg.active_init := false;
flow[1].rtp_cfg.iuup_cfg.rab_flow_combs := rfcl_a;
flow[1].rtp_cfg.tx_payloads[0].payload_type := flow[1].codec_descr[0].pt;
/* Send whatever payload is expected by the other RTPEM, now without AMR-BE_RTP<->AMR-IUUP conversion: */
flow[1].rtp_cfg.tx_payloads[0].fixed_payload := flow[0].rtp_cfg.rx_payloads[0].fixed_payload;
flow[1].rtp_cfg.rx_payloads[0].payload_type := flow[1].codec_descr[0].pt;
/* Expect whatever payload is sent by the other RTPEM, now without AMR-BE_RTP<->AMR-IUUP conversion: */
flow[1].rtp_cfg.rx_payloads[0].fixed_payload := flow[0].rtp_cfg.tx_payloads[0].fixed_payload;
f_flow_modify(RTPEM[1], ep, call_id, "sendrecv", flow[1]);
f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR);
f_sleep(1.0);
f_rtpem_mode(RTPEM[1], RTPEM_MODE_BIDIR);
/* Now, if MGW would keep sending RTP instead of expected IuUP, then that would make the RTPEM[1]
* component to fail, since it would error trying to decode an RTP pkt as IuUP.
* We simply need to make sure some packets are being forwarded to it:
*/
stats[0][0] := f_rtpem_stats_get(RTPEM[0]);
stats[1][0] := f_rtpem_stats_get(RTPEM[1]);
f_sleep(1.0);
stats[0][1] := f_rtpem_stats_get(RTPEM[0]);
stats[1][1] := f_rtpem_stats_get(RTPEM[1]);
f_rtpem_stats_err_check(stats[0][1]);
f_rtpem_stats_err_check(stats[1][1]);
if (stats[0][1].num_pkts_rx == stats[0][0].num_pkts_rx) {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
log2str("No packets received in connection 0 after MDCX"));
}
if (stats[1][1].num_pkts_rx == stats[1][0].num_pkts_rx) {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
log2str("No packets received in connection 1 after MDCX"));
}
/* Tear down */
f_flow_delete(RTPEM[0]);
f_flow_delete(RTPEM[1], ep, call_id);
setverdict(pass);
}
testcase TC_two_crcx_mdcx_and_iuup_rtp_mdcx_to_iuup() runs on dummy_CT {
var template (value) IuUP_RabFlowCombinationList rfcl := {
t_IuUP_RFC_AMR_12_2(0),
t_IuUP_RFC_AMR_SID(1),
t_IuUP_RFC_AMR_NO_DATA(2)
};
f_tc_two_crcx_mdcx_and_iuup_rtp_mdcx_to_iuup(mp_local_ipv4, mp_remote_ipv4, valueof(rfcl),
mp_local_ipv4, mp_remote_ipv4);
}
control {
execute(TC_selftest());
execute(TC_auep_null());
@ -3258,6 +3359,7 @@ module MGCP_Test {
execute(TC_two_crcx_mdcx_and_iuup_rtp());
execute(TC_two_crcx_mdcx_and_iuup_rtp_rfci_unordered());
execute(TC_two_crcx_mdcx_and_iuup_rtp_mdcx_recvonly());
execute(TC_two_crcx_mdcx_and_iuup_rtp_mdcx_to_iuup());
execute(TC_two_crcx_mdcx_and_rtp_clearmode());

1
mgw/expected-results.xml
View File

@ -94,5 +94,6 @@
<testcase classname='MGCP_Test' name='TC_two_crcx_mdcx_and_iuup_rtp' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_two_crcx_mdcx_and_iuup_rtp_rfci_unordered' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_two_crcx_mdcx_and_iuup_rtp_mdcx_recvonly' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_two_crcx_mdcx_and_iuup_rtp_mdcx_to_iuup' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_one_crcx_loopback_rtp_implicit' time='MASKED'/>
</testsuite>