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neels gerrit-no-reply at lists.osmocom.orgneels has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24408 ) Change subject: bsc: add TC_reassignment_fr() ...................................................................... bsc: add TC_reassignment_fr() osmo-bsc does now support intra-cell re-Assignment of lchans with active voice. Test re-Assignment of TCH/F, triggered by VTY command. Change-Id: I05fecefb9d6f9f23a0362f133170bca4da92e308 --- M bsc/BSC_Tests.ttcn 1 file changed, 89 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified pespin: Looks good to me, but someone else must approve fixeria: Looks good to me, approved diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index 889a64d..abcfece 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -8671,6 +8671,93 @@ } } +private function f_TC_reassignment_codec(charstring id) runs on MSC_ConnHdlr { + /* First fully set up a speech lchan */ + f_TC_assignment_codec(id); + + /* Trigger re-assignment to another lchan */ + var AssignmentState assignment_st := valueof(ts_AssignmentStateInit); + + /* Re-Assignment should tell the MGW endpoint the new lchan's RTP address and port, so expecting to see exactly + * one MDCX on MGCP. */ + g_media.mgcp_conn[0].mdcx_seen_exp := g_media.mgcp_conn[0].mdcx_seen_exp + 1; + + /* The new lchan will see all-new IPAC_CRCX and IPAC_MDCX messages telling the BTS the same RTP address and port + * as the old lchan used. */ + g_media.bts.ipa_crcx_seen := false; + g_media.bts.ipa_mdcx_seen := false; + + /* Send different BTS side RTP port number for the new lchan */ + g_media.bts.bts.port_nr := 4223; + + f_rslem_register(0, valueof(ts_RslChanNr_Bm(2))); /* <-- FIXME: can we somehow infer the timeslot that will be used? */ + + /* Trigger re-assignment. */ + f_vty_transceive(BSCVTY, "bts 0 trx 0 timeslot " & int2str(g_chan_nr.tn) & " sub-slot 0 assignment"); + + timer T := 5.0; + T.start; + alt { + [] as_assignment(assignment_st); + [] as_Media(); + [] T.timeout { + break; + } + } + + if (not assignment_st.assignment_done) { + setverdict(fail, "Assignment did not complete"); + mtc.stop; + } + + f_check_mgcp_expectations() + setverdict(pass); + + f_sleep(2.0); + log("show lchan summary: ", f_vty_transceive_ret(BSCVTY, "show lchan summary")); + + /* Instruct BSC to clear channel */ + var BssmapCause cause := 0; + BSSAP.send(ts_BSSMAP_ClearCommand(cause)); + interleave { + [] MGCP.receive(tr_DLCX) {} + [] MGCP.receive(tr_DLCX) {} + [] RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, ?, decmatch tr_RRM_RR_RELEASE)) {} + [] RSL.receive(tr_RSL_DEACT_SACCH(g_chan_nr)) {} + [] RSL.receive(tr_RSL_MsgTypeD(RSL_MT_RF_CHAN_REL)) { + RSL.send(ts_RSL_RF_CHAN_REL_ACK(g_chan_nr)); + } + [] BSSAP.receive(tr_BSSMAP_ClearComplete) { + BSSAP.send(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_REQ); + } + } + + f_sleep(0.5); +} + +testcase TC_reassignment_fr() runs on test_CT { + var TestHdlrParams pars := f_gen_test_hdlr_pars(); + var MSC_ConnHdlr vc_conn; + + f_init(1, true); + f_sleep(1.0); + + f_ctrs_bsc_and_bts_init(); + + pars.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR})); + vc_conn := f_start_handler(refers(f_TC_reassignment_codec), pars); + vc_conn.done; + + /* from f_establish_fully() */ + f_ctrs_bsc_and_bts_add(0, "assignment:attempted"); + f_ctrs_bsc_and_bts_add(0, "assignment:completed"); + /* from re-assignment */ + f_ctrs_bsc_and_bts_add(0, "assignment:attempted"); + f_ctrs_bsc_and_bts_add(0, "assignment:completed"); + f_ctrs_bsc_and_bts_verify(); + f_shutdown_helper(); +} + control { /* CTRL interface testing */ @@ -8935,6 +9022,8 @@ execute( TC_refuse_chan_act_to_vamos() ); execute( TC_refuse_mode_modif_to_vamos() ); + + execute( TC_reassignment_fr() ); } } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24408 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: I05fecefb9d6f9f23a0362f133170bca4da92e308 Gerrit-Change-Number: 24408 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de> Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210527/20d80276/attachment.htm>