<p>laforge <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24843">View Change</a></p><div style="white-space:pre-wrap">Approvals:
laforge: Looks good to me, approved
neels: Looks good to me, but someone else must approve
pespin: Looks good to me, but someone else must approve
Jenkins Builder: Verified
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">BTS: add test cases for Downlink and Uplink speech frames<br><br>Change-Id: I8d301dfa47c11d9314cdfca8adadcbcb4eee798d<br>---<br>M bts/BTS_Tests.ttcn<br>1 file changed, 101 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn</span><br><span>index 38490a0..61c40d4 100644</span><br><span>--- a/bts/BTS_Tests.ttcn</span><br><span>+++ b/bts/BTS_Tests.ttcn</span><br><span>@@ -40,6 +40,7 @@</span><br><span> import from Osmocom_CTRL_Functions all;</span><br><span> </span><br><span> import from RSL_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from RTP_Types all;</span><br><span> import from IPA_Types all;</span><br><span> import from IPA_Emulation all;</span><br><span> import from IPA_Testing all;</span><br><span>@@ -7592,6 +7593,104 @@</span><br><span> vc_conn.done;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Verify handling of Downlink and Uplink speech frames */</span><br><span style="color: hsl(120, 100%, 40%);">+private function f_TC_speech_rtp(charstring id) runs on ConnHdlr {</span><br><span style="color: hsl(120, 100%, 40%);">+ var L1ctlDlMessage l1_dl;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_RTP rtp_pdu;</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring pl;</span><br><span style="color: hsl(120, 100%, 40%);">+ timer Td, Tu;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_l1_tune(L1CTL);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_est_dchan();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Activate the RTP emulation */</span><br><span style="color: hsl(120, 100%, 40%);">+ pl := f_rnd_octstring(6);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rtpem_activate(pl);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Give the scheduler some time to fill up the buffers */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_sleep(2.0);</span><br><span style="color: hsl(120, 100%, 40%);">+ L1CTL.clear;</span><br><span style="color: hsl(120, 100%, 40%);">+ RSL.clear;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure that Downlink frames are received at the UE */</span><br><span style="color: hsl(120, 100%, 40%);">+ Td.start(2.0);</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] L1CTL.receive(tr_L1CTL_TRAFFIC_IND(g_chan_nr, frame := pl)) -> value l1_dl {</span><br><span style="color: hsl(120, 100%, 40%);">+ log("TCH received: ", l1_dl.payload.traffic_ind.data);</span><br><span style="color: hsl(120, 100%, 40%);">+ L1CTL.send(ts_L1CTL_TRAFFIC_REQ(g_chan_nr, l1_dl.dl_info.link_id,</span><br><span style="color: hsl(120, 100%, 40%);">+ l1_dl.payload.traffic_ind.data));</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] L1CTL.receive(tr_L1CTL_TRAFFIC_IND(g_chan_nr, frame := ?)) -> value l1_dl {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Rx unexpected Downlink speech frame ",</span><br><span style="color: hsl(120, 100%, 40%);">+ "(", l1_dl.payload.traffic_ind.data, ") ",</span><br><span style="color: hsl(120, 100%, 40%);">+ "expected (", pl, ")");</span><br><span style="color: hsl(120, 100%, 40%);">+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] as_l1_sacch();</span><br><span style="color: hsl(120, 100%, 40%);">+ [] L1CTL.receive { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] Td.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Timeout waiting for Downlink speech frames");</span><br><span style="color: hsl(120, 100%, 40%);">+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure that Uplink frames are received at the BTS */</span><br><span style="color: hsl(120, 100%, 40%);">+ RTPEM_DATA.clear;</span><br><span style="color: hsl(120, 100%, 40%);">+ Tu.start(2.0);</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] RTPEM_DATA.receive(PDU_RTP:?) -> value rtp_pdu {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (rtp_pdu.data != pl)</span><br><span style="color: hsl(120, 100%, 40%);">+ { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] RTPEM_DATA.receive { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] Tu.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Timeout waiting for Uplink speech frames");</span><br><span style="color: hsl(120, 100%, 40%);">+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rtpem_mode(RTPEM_CTRL, RTPEM_MODE_NONE);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rsl_chan_deact();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rslem_unregister(0, g_chan_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_speech_rtp_tchf() runs on test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var ConnHdlr vc_conn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var ConnHdlrPars pars;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TS1, TCH/F, V1 (FR codec) */</span><br><span style="color: hsl(120, 100%, 40%);">+ pars := valueof(t_Pars(ts_RslChanNr_Bm(1), ts_RSL_ChanMode(RSL_CHRT_TCH_F, RSL_CMOD_SP_GSM1)));</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn := f_start_handler(refers(f_TC_speech_rtp), pars);</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn.done;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TS1, TCH/F, V2 (EFR codec) */</span><br><span style="color: hsl(120, 100%, 40%);">+ pars := valueof(t_Pars(ts_RslChanNr_Bm(1), ts_RSL_ChanMode(RSL_CHRT_TCH_F, RSL_CMOD_SP_GSM2)));</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn := f_start_handler(refers(f_TC_speech_rtp), pars);</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn.done;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TODO: also test V3 (AMR codec) */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_speech_rtp_tchh() runs on test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var ConnHdlr vc_conn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var ConnHdlrPars pars;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TS5, TCH/H0, V1 (HR codec) */</span><br><span style="color: hsl(120, 100%, 40%);">+ pars := valueof(t_Pars(ts_RslChanNr_Lm(5, 0), ts_RSL_ChanMode(RSL_CHRT_TCH_H, RSL_CMOD_SP_GSM1)));</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn := f_start_handler(refers(f_TC_speech_rtp), pars);</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn.done;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TODO: also test V3 (AMR codec) */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> /* test generation of RLL ERR IND based on Um errors (TS 48.058 3.9) */</span><br><span> /* protocol error as per 44.006 */</span><br><span> /* link layer failure (repetition of I-frame N200 times without ACK */</span><br><span>@@ -7788,6 +7887,8 @@</span><br><span> </span><br><span> execute( TC_speech_no_rtp_tchf() );</span><br><span> execute( TC_speech_no_rtp_tchh() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_speech_rtp_tchf() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_speech_rtp_tchh() );</span><br><span> }</span><br><span> </span><br><span> </span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24843">change 24843</a>. 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<div style="display:none"> Gerrit-Project: osmo-ttcn3-hacks </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I8d301dfa47c11d9314cdfca8adadcbcb4eee798d </div>
<div style="display:none"> Gerrit-Change-Number: 24843 </div>
<div style="display:none"> Gerrit-PatchSet: 4 </div>
<div style="display:none"> Gerrit-Owner: fixeria <vyanitskiy@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder </div>
<div style="display:none"> Gerrit-Reviewer: dexter <pmaier@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-Reviewer: neels <nhofmeyr@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>