msc: add and fix Iu mt call

Change-Id: I3ce29f3d9254656dc295674e8cec72a741b7764a
This commit is contained in:
Neels Hofmeyr 2019-11-03 05:51:03 +01:00 committed by laforge
parent 0b16bf1fcb
commit 8fe8a90da2
3 changed files with 88 additions and 11 deletions

View File

@ -905,21 +905,89 @@ runs on BSC_ConnHdlr {
}
} else {
var template TransportLayerAddress rab_tla := ? /* FIXME: encode the mgw_rtp_ip/mgw_rtp_port */
var template RAB_SetupOrModifyList rab_sml := tr_RAB_SML(rab_id := ?, tla := rab_tla, binding_id := ?);
interleave {
[] MGCP.receive(tr_CRCX(cpars.mgcp_ep)) -> value mgcp_cmd {
var SDP_Message sdp := valueof(ts_SDP_CRCX_CN(cpars));
MGCP.send(ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgw_conn_2.mgcp_connection_id, sdp));
/* MSC acknowledges the MNCC_CREATE to the MNCC handler */
MNCC.receive(tr_MNCC_RTP_CREATE(cpars.mncc_callref));
log("f_mt_call_complete 4.iu");
if (not f_handle_crcx(cpars, mgcp_cmd)) {
break;
}
[] BSSAP.receive(tr_RANAP_RabAssReq(rab_sml)) {
//BSSAP.send(ts_RANAP_RabAssResp(rab_sml)); FIXME
}
/* FIXME: same MNCC and MGCP as in 2G above */
/* MSC acknowledges the MNCC_CREATE to the MNCC handler */
[] MNCC.receive(tr_MNCC_RTP_CREATE(cpars.mncc_callref)) {
log("f_mt_call_complete 5.iu");
}
[] BSSAP.receive(tr_RANAP_RabAssReq(?)) {
log("f_mt_call_complete 6.iu");
var RAB_SetupOrModifiedList l := {
{
{
id := id_RAB_SetupOrModifiedItem,
criticality := ignore,
value_ := {
rAB_SetupOrModifiedItem := {
rAB_ID := int2bit(23, 8),
transportLayerAddress := hex2bit( '350001c0a8021500000000000000000000000000'H),
iuTransportAssociation := {
bindingID := '040c0000'O
},
dl_dataVolumes := omit,
iE_Extensions := omit
}
}
}
}
};
BSSAP.send(ts_RANAP_RabAssResp(l));
BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_CC_CONNECT(cpars.transaction_id)));
}
[] MNCC.receive(tr_MNCC_SETUP_cnf(cpars.mncc_callref)) {
log("f_mt_call_complete 7.iu");
MNCC.send(ts_MNCC_RTP_CONNECT(cpars.mncc_callref,
/* ip 42.23.11.5 */ hex2int('42231105'H),
/* port 423 */ 423,
/* payload type 3 = GSM FR */ 3));
}
/* MDCX setting up the RAN side remote RTP address received from Assignment Complete */
[] MGCP.receive(tr_MDCX) -> value mgcp_cmd {
log("f_mt_call_complete 8.iu");
var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_conn_2.mgw_rtp_ip, cpars.mgw_conn_2.mgw_rtp_ip,
hex2str(cpars.mgcp_call_id), "42",
cpars.mgw_conn_2.mgw_rtp_port,
{ int2str(cpars.rtp_payload_type) },
{ valueof(ts_SDP_rtpmap(cpars.rtp_payload_type,
cpars.rtp_sdp_format)),
valueof(ts_SDP_ptime(20)) }));
if (cpars.use_osmux) {
osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd);
if (osmux_cid != 0) { /* we expect MSC to use specific CID here */
setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != 0");
mtc.stop;
}
mgcp_resp := ts_MDCX_ACK_osmux(mgcp_cmd.line.trans_id, cpars.mgw_conn_1.mgcp_connection_id, osmux_cid, sdp);
} else {
mgcp_resp := ts_MDCX_ACK(mgcp_cmd.line.trans_id, cpars.mgw_conn_2.mgcp_connection_id, sdp);
}
MGCP.send(mgcp_resp);
}
/* MDCX setting up the CN side remote RTP address received from MNCC CONNECT */
[] MGCP.receive(tr_MDCX) -> value mgcp_cmd {
log("f_mt_call_complete 9.iu");
var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_conn_2.mgw_rtp_ip, cpars.mgw_conn_2.mgw_rtp_ip,
hex2str(cpars.mgcp_call_id), "42",
cpars.mgw_conn_2.mgw_rtp_port,
{ int2str(cpars.rtp_payload_type) },
{ valueof(ts_SDP_rtpmap(cpars.rtp_payload_type,
cpars.rtp_sdp_format)),
valueof(ts_SDP_ptime(20)) }));
MGCP.send(ts_MDCX_ACK(mgcp_cmd.line.trans_id, cpars.mgw_conn_2.mgcp_connection_id, sdp));
}
}
}

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@ -1658,7 +1658,7 @@ testcase TC_lu_imsi_auth_tmsi_encr_013_2() runs on MTC_CT {
}
/* LU followed by MT call (including paging) */
private function f_tc_lu_and_mt_call(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
friend function f_tc_lu_and_mt_call(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
f_init_handler(pars);
var CallParameters cpars := valueof(t_CallParams('12345'H, 0));
cpars.use_osmux := pars.use_osmux;

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@ -249,6 +249,13 @@ testcase TC_iu_mo_release_timeout() runs on MTC_CT {
vc_conn.done;
}
testcase TC_iu_lu_and_mt_call() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init(3);
vc_conn := f_start_handler(refers(f_tc_lu_and_mt_call), 1142, ran_idx := 2, ran_is_geran := false);
vc_conn.done;
}
testcase TC_iu_lu_and_mo_sms() runs on MTC_CT {
var BSC_ConnHdlr vc_conn;
f_init(3);
@ -438,6 +445,8 @@ control {
execute( TC_iu_mo_release_timeout() );
execute( TC_reset_two_1iu() );
execute( TC_iu_lu_and_mt_call() );
execute( TC_iu_lu_and_mo_sms() );
execute( TC_iu_lu_and_mt_sms() );
execute( TC_iu_lu_and_mt_sms_paging_and_nothing() );