Change in osmo-ttcn3-hacks[master]: MGCP_Test: Test AMR octet-aligned/bandwith-efficient mode conversion

[Harald Welte]

Harald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/13161 )

Change subject: MGCP_Test: Test AMR octet-aligned/bandwith-efficient mode conversion
......................................................................

MGCP_Test: Test AMR octet-aligned/bandwith-efficient mode conversion

osmo-mgw now implements a conversion between the AMR octet-aligned
and banwith-efficient payload format. Lets add tests for this

Change-Id: I050bfeabfb5fdbf986d429eef3af69fe8158d56e
depends: osmo-mgw I622c01874b25f5049d4f59eb8157e0ea3cbe16ba
related: SYS#4470
---
M mgw/MGCP_Test.ttcn
M mgw/expected-results.xml
2 files changed, 67 insertions(+), 0 deletions(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index a0a836b..467ebfc 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -1380,6 +1380,67 @@
 		setverdict(pass);
 	}
 
+	/* create two local RTP emulations; create two connections on MGW EP, see if
+	 * exchanged data is converted between AMR octet-aligned and bandwith
+	 * efficient-mode */
+	function f_TC_amr_x_x_rtp_conversion(octetstring pl0, octetstring pl1, charstring fmtp0, charstring fmtp1) runs on dummy_CT {
+		var RtpFlowData flow[2];
+		var RtpemStats stats[2];
+		var MgcpResponse resp;
+		var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain;
+		var MgcpCallId call_id := '1226'H;
+
+		f_init(ep);
+
+		/* from us to MGW */
+		flow[0] := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 112, "AMR/8000"));
+		/* bind local RTP emulation sockets */
+		flow[0].em.portnr := 10000;
+		flow[0].rtp_cfg := c_RtpemDefaultCfg;
+		flow[0].rtp_cfg.tx_payload_type := flow[0].pt;
+		flow[0].rtp_cfg.rx_fixed_payload := pl0;
+		flow[0].rtp_cfg.tx_fixed_payload := pl0;
+		flow[0].fmtp := fmtp0;
+		f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]);
+
+		/* from MGW back to us */
+		flow[1] := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 112, "AMR/8000"));
+		flow[1].em.portnr := 20000;
+		flow[1].rtp_cfg	:= c_RtpemDefaultCfg;
+		flow[1].rtp_cfg.tx_payload_type := flow[1].pt;
+		flow[1].rtp_cfg.rx_fixed_payload := pl1;
+		flow[1].rtp_cfg.tx_fixed_payload := pl1;
+		flow[1].fmtp := fmtp1;
+		f_flow_create(RTPEM[1], ep, call_id, "sendrecv", flow[1]);
+
+		f_rtpem_mode(RTPEM[1], RTPEM_MODE_BIDIR);
+		f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR);
+
+		f_sleep(1.0);
+
+		f_flow_delete(RTPEM[0]);
+		f_flow_delete(RTPEM[1], ep, call_id);
+
+		stats[0] := f_rtpem_stats_get(RTPEM[0]);
+		stats[1] := f_rtpem_stats_get(RTPEM[1]);
+
+		f_rtpem_stats_err_check(stats[0]);
+		f_rtpem_stats_err_check(stats[1]);
+
+		setverdict(pass);
+	}
+
+	testcase TC_amr_oa_bwe_rtp_conversion() runs on dummy_CT {
+		 f_TC_amr_x_x_rtp_conversion('100c4e9ba850e30d5d53d04de41e7c'O, '10d3a6ea1438c35754f41379079f'O, "octet-align=1", "octet-align=0");
+	}
+
+	testcase TC_amr_oa_oa_rtp_conversion() runs on dummy_CT {
+		 f_TC_amr_x_x_rtp_conversion('100c4e9ba850e30d5d53d04de41e7c'O, '100c4e9ba850e30d5d53d04de41e7c'O, "octet-align=1", "octet-align=1");
+	}
+
+	testcase TC_amr_bwe_bwe_rtp_conversion() runs on dummy_CT {
+		 f_TC_amr_x_x_rtp_conversion('10d3a6ea1438c35754f41379079f'O, '10d3a6ea1438c35754f41379079f'O, "octet-align=0", "octet-align=0");
+	}
 
 	/* TODO: Double-DLCX (no retransmission) */
 
@@ -1432,5 +1493,8 @@
 		execute(TC_two_crcx_and_unsolicited_rtp());
 		execute(TC_two_crcx_and_one_mdcx_rtp_ho());
 		execute(TC_ts101318_rfc5993_rtp_conversion());
+		execute(TC_amr_oa_bwe_rtp_conversion());
+		execute(TC_amr_oa_oa_rtp_conversion());
+		execute(TC_amr_bwe_bwe_rtp_conversion());
 	}
 }
diff --git a/mgw/expected-results.xml b/mgw/expected-results.xml
index f5bc1a0..5c520c5 100644
--- a/mgw/expected-results.xml
+++ b/mgw/expected-results.xml
@@ -38,4 +38,7 @@
   <testcase classname='MGCP_Test' name='TC_two_crcx_and_unsolicited_rtp' time='MASKED'/>
   <testcase classname='MGCP_Test' name='TC_two_crcx_and_one_mdcx_rtp_ho' time='MASKED'/>
   <testcase classname='MGCP_Test' name='TC_ts101318_rfc5993_rtp_conversion' time='MASKED'/>
+  <testcase classname='MGCP_Test' name='TC_amr_oa_bwe_rtp_conversion' time='MASKED'/>
+  <testcase classname='MGCP_Test' name='TC_amr_oa_oa_rtp_conversion' time='MASKED'/>
+  <testcase classname='MGCP_Test' name='TC_amr_bwe_bwe_rtp_conversion' time='MASKED'/>
 </testsuite>

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I050bfeabfb5fdbf986d429eef3af69fe8158d56e
Gerrit-Change-Number: 13161
Gerrit-PatchSet: 4
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
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