module BSC_Tests_VAMOS { /* Integration Tests for OsmoBSC * (C) 2021 by sysmocom - s.f.m.c. GmbH * All rights reserved. * * Released under the terms of GNU General Public License, Version 2 or * (at your option) any later version. * * SPDX-License-Identifier: GPL-2.0-or-later * * This test suite tests OsmoBSC while emulating both multiple BTS + MS as * well as the MSC. See README for more details. * * There are test cases that run in so-called 'handler mode' and test cases * that run directly on top of the BSSAP and RSL CodecPorts. The "handler mode" * tests abstract the multiplexing/demultiplexing of multiple SCCP connections * and/or RSL channels and are hence suitable for higher-level test cases, while * the "raw" tests directly on top of the CodecPorts are more suitable for lower- * level testing. */ import from BSC_Tests all; import from Misc_Helpers all; import from General_Types all; import from Osmocom_Types all; import from GSM_Types all; import from IPL4asp_Types all; import from BSSAP_Types all; import from RAN_Adapter all; import from BSSAP_LE_Adapter all; import from BSSAP_LE_CodecPort all; import from BSSAP_LE_Types all; import from BSSLAP_Types all; import from BSSAP_CodecPort all; import from BSSMAP_Templates all; import from IPA_Emulation all; import from IPA_CodecPort all; import from IPA_Types all; import from IPA_Testing all; import from RSL_Types all; import from RSL_Emulation all; import from MGCP_Emulation all; import from MGCP_Templates all; import from MGCP_Types all; import from MGCP_CodecPort all; import from Osmocom_CTRL_Functions all; import from Osmocom_CTRL_Types all; import from Osmocom_CTRL_Adapter all; import from StatsD_Types all; import from StatsD_CodecPort all; import from StatsD_CodecPort_CtrlFunct all; import from StatsD_Checker all; import from Osmocom_VTY_Functions all; import from TELNETasp_PortType all; import from MobileL3_CommonIE_Types all; import from MobileL3_Types all; import from MobileL3_RRM_Types all; import from L3_Templates all; import from GSM_RR_Types all; import from SCCP_Templates all; import from BSSMAP_Templates all; import from BSSMAP_LE_Templates all; import from SCCPasp_Types all; import from GSM_SystemInformation all; import from GSM_RestOctets all; import from TCCConversion_Functions all; import from RAN_Emulation all; import from MSC_ConnectionHandler all; import from Native_Functions all; const integer NUM_BTS := 3; const integer NUM_MSC := 3; private function f_rsl_chan_nr_to_subslot(RslChannelNr chan_nr, boolean use_vamos_subslot_nr := false) return integer { var integer subslot; select (chan_nr) { case (t_RslChanNr_Bm(?)) { /* TCH/F, always subslot 0 */ subslot := 0; } case (t_RslChanNr_Lm(?, ?)) { /* TCH/H */ subslot := chan_nr.u.lm.sub_chan; } case (t_RslChanNr_Osmo_VAMOS_Bm(?)) { /* TCH/F shadow */ if (use_vamos_subslot_nr) { subslot := 1; } else { subslot := 0; } } case (t_RslChanNr_Osmo_VAMOS_Lm(?, ?)) { /* TCH/H shadow */ subslot := chan_nr.u.lm.sub_chan; if (use_vamos_subslot_nr) { subslot := subslot + 2; } } case else { setverdict(fail, "unsupported RslChannelNr type in f_rsl_chan_nr_to_subslot()"); mtc.stop; } } return subslot; } private function f_rsl_chan_nr_to_rsl_cbits(RslChannelNr chan_nr) return BIT5 { var BIT5 rsl_cbits; select (chan_nr) { case (t_RslChanNr_Bm(?)) { rsl_cbits := '00001'B; } case (t_RslChanNr_Lm(?, ?)) { rsl_cbits := int2bit(2 + chan_nr.u.lm.sub_chan, 5); /* '0001x'B */ } case (t_RslChanNr_Osmo_VAMOS_Bm(?)) { rsl_cbits := '11101'B; } case (t_RslChanNr_Osmo_VAMOS_Lm(?, ?)) { rsl_cbits := int2bit(30 + chan_nr.u.lm.sub_chan, 5); /* '1111x'B */ } case else { setverdict(fail, "unsupported RslChannelNr type in f_rsl_chan_nr_to_rsl_cbits()"); mtc.stop; } } return rsl_cbits; } private function f_rsl_chan_nr_to_rr_cbits(RslChannelNr chan_nr) return BIT5 { var BIT5 rr_cbits; select (chan_nr) { case (t_RslChanNr_Bm(?)) { rr_cbits := '00001'B; } case (t_RslChanNr_Lm(?, ?)) { rr_cbits := int2bit(2 + chan_nr.u.lm.sub_chan, 5); /* '0001x'B */ } case (t_RslChanNr_Osmo_VAMOS_Bm(?)) { rr_cbits := '00001'B; /* In RR, there must *not* be Osmocom specific cbits */ } case (t_RslChanNr_Osmo_VAMOS_Lm(?, ?)) { rr_cbits := int2bit(2 + chan_nr.u.lm.sub_chan, 5); /* '0001x'B */ /* In RR, there must *not* be Osmocom specific cbits */ } case else { setverdict(fail, "unsupported RslChannelNr type in f_rsl_chan_nr_to_rr_cbits()"); mtc.stop; } } return rr_cbits; } private function f_rsl_chan_nr_to_chrt(RslChannelNr chan_nr, boolean vamos) return RSL_ChanRateType { var boolean fr; select (chan_nr) { case (t_RslChanNr_Bm(?)) { fr := true; } case (t_RslChanNr_Lm(?, ?)) { fr := false; } case (t_RslChanNr_Osmo_VAMOS_Bm(?)) { fr := true; } case (t_RslChanNr_Osmo_VAMOS_Lm(?, ?)) { fr := false; } case else { setverdict(fail, "unsupported RslChannelNr type in f_rsl_chan_nr_to_chrt()"); mtc.stop; } } if (fr) { if (vamos) { return RSL_CHRT_OSMO_TCH_F_VAMOS; } else { return RSL_CHRT_TCH_F; } } else { if (vamos) { return RSL_CHRT_OSMO_TCH_H_VAMOS; } else { return RSL_CHRT_TCH_H; } } } private function f_lchan_str(integer bts_nr, integer trx_nr, RslChannelNr chan_nr, boolean use_vamos_subslot_nr := false) return charstring { var integer subslot := f_rsl_chan_nr_to_subslot(chan_nr, use_vamos_subslot_nr := use_vamos_subslot_nr); return "lchan " & int2str(bts_nr) & " " & int2str(trx_nr) & " " & int2str(chan_nr.tn) & " " & int2str(subslot); } private function f_long_lchan_str(integer bts_nr, integer trx_nr, RslChannelNr chan_nr) return charstring { var integer subslot := f_rsl_chan_nr_to_subslot(chan_nr); return "bts " & int2str(bts_nr) & " trx " & int2str(trx_nr) & " timeslot " & int2str(chan_nr.tn) & " sub-slot " & int2str(subslot); } private function f_lchan_ensure_established(TELNETasp_PT vty, integer bts_nr, integer trx_nr, RslChannelNr chan_nr) { var charstring lchan_str := f_lchan_str(bts_nr, trx_nr, chan_nr, use_vamos_subslot_nr := true); var charstring lchan_info := f_vty_transceive_ret(vty, "show " & lchan_str); if (f_strstr(lchan_info, "State: ESTABLISHED") < 0) { log("'show lchan' replied: ", lchan_info); setverdict(fail, "lchan " & lchan_str & " is not in state ESTABLISHED"); mtc.stop; } setverdict(pass); } /* Activate a primary lchan in VAMOS speech mode */ testcase TC_chan_act_to_vamos() runs on test_CT { f_init_vty(); f_logp(BSCVTY, "TC_chan_act_to_vamos"); f_init(1, false); f_sleep(1.0); f_vty_transceive(BSCVTY, "bts 0 trx 0 timeslot 1 sub-slot 0 activate-vamos fr"); var RSL_Message rsl; rsl := f_exp_ipa_rx(tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); var RSL_IE_Body chan_mode_ie; if (f_rsl_find_ie(rsl, RSL_IE_CHAN_MODE, chan_mode_ie) == false) { setverdict(fail, "Cannot find RSL_IE_CHAN_MODE"); mtc.stop; } if (chan_mode_ie.chan_mode.ch_rate_type != RSL_CHRT_OSMO_TCH_F_VAMOS) { setverdict(fail, "expected chan_mode.ch_rate_type == RSL_CHRT_OSMO_TCH_F_VAMOS"); mtc.stop; } var RSL_IE_Body osmo_tsc_ie; if (f_rsl_find_ie(rsl, RSL_IE_OSMO_TRAINING_SEQUENCE, osmo_tsc_ie) == false) { setverdict(fail, "Cannot find RSL_IE_OSMO_TRAINING_SEQUENCE"); mtc.stop; } var RslChannelNr chan_nr := rsl.ies[0].body.chan_nr; f_ipa_tx(ts_RSL_CHAN_ACT_ACK(chan_nr, 23+10)); f_sleep(1.0); f_lchan_ensure_established(BSCVTY, 0, 0, chan_nr); f_vty_transceive(BSCVTY, "bts 0 trx 0 timeslot 1 sub-slot 0 deactivate"); f_shutdown_helper(); } /* verify that DTAP passes through both ways with the right cbits */ private function f_verify_dtap() runs on MSC_ConnHdlr { var PDU_BSSAP rx_bssap_dtap; var octetstring l3_data := gen_l3_valid_payload(); /* MS to NW */ RSL.send(ts_RSL_DATA_IND(g_chan_nr, valueof(ts_RslLinkID_DCCH(0)), l3_data)); BSSAP.receive(tr_BSSAP_DTAP) -> value rx_bssap_dtap; if (not match(rx_bssap_dtap.pdu.dtap, l3_data)) { setverdict(fail, "unexpected L3 data"); mtc.stop; } /* NW to MS */ l3_data := '0800dcba9876543210'O; BSSAP.send(ts_BSSAP_DTAP(l3_data, '00'O)); RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, tr_RslLinkID_DCCH(0), l3_data)); } private function f_est_lchan_and_mode_modify_to_vamos() runs on MSC_ConnHdlr { var PDU_BSSAP ass_cmd := f_gen_ass_req(g_pars.use_osmux_cn); var template PDU_BSSAP exp_compl := f_gen_exp_compl(); /* puzzle together the ASSIGNMENT REQ for given codec[s] */ if (mp_bssap_cfg[0].transport == BSSAP_TRANSPORT_AoIP) { ass_cmd.pdu.bssmap.assignmentRequest.codecList := g_pars.ass_codec_list; exp_compl.pdu.bssmap.assignmentComplete.speechCodec.codecElements[0] := g_pars.ass_codec_list.codecElements[0]; if (isvalue(g_pars.expect_mr_s0_s7)) { exp_compl.pdu.bssmap.assignmentComplete.speechCodec.codecElements[0].s0_7 := g_pars.expect_mr_s0_s7; } } ass_cmd.pdu.bssmap.assignmentRequest.channelType := f_BSSMAP_chtype_from_codec(g_pars.ass_codec_list.codecElements[0]); log("expecting ASS COMPL like this: ", exp_compl); f_establish_fully(ass_cmd, exp_compl); f_lchan_ensure_established(BSCVTY, 0, 0, g_chan_nr); var charstring current_long_lchan_str := f_long_lchan_str(0, 0, g_chan_nr); f_vty_transceive(BSCVTY, current_long_lchan_str & " modify vamos tsc 2 3"); var RSL_Message rsl_rr; RSL.receive(tr_RSL_DATA_REQ(g_chan_nr)) -> value rsl_rr; var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(rsl_rr.ies[2].body.l3_info.payload); var integer current_subslot := f_rsl_chan_nr_to_subslot(g_chan_nr); template PDU_ML3_NW_MS expect_rr_modify := tr_RRM_ModeModify( tr_ChannelDescription2_V(timeslotNumber := int2bit(g_chan_nr.tn, 3)), tr_ChannelMode_V(mode := 'C1'O /* 1 1 0 0 0 0 0 1 speech full rate or half rate version 1 in VAMOS mode (3GPP TS 44.018) */), extendedTSCSet := tr_ExtendedTSCSet_TV(cSDomainTSCSet := '01'B)); if (not match(l3, expect_rr_modify)) { log("expected: ", expect_rr_modify); log("got: ", l3); setverdict(fail, "RR channelModeModify message is not as expected"); mtc.stop; } f_rsl_reply(ts_RRM_ModeModifyAck(l3.msgs.rrm.channelModeModify.channelDescription, l3.msgs.rrm.channelModeModify.channelMode, l3.msgs.rrm.channelModeModify.extendedTSCSet), rsl_rr); var RSL_Message rsl; RSL.receive(tr_RSL_MODE_MODIFY_REQ_with_OSMO_TSC(g_chan_nr, tr_RSL_ChanMode(f_rsl_chan_nr_to_chrt(g_chan_nr, true), RSL_CMOD_SP_GSM1), tsc_set := 1, /* 1 means TSC Set 2 (range 1-4 in spec tables and naming, 0-3 on the wire) */ tsc := 3)); RSL.send(ts_RSL_MODE_MODIFY_ACK(g_chan_nr)); f_sleep(1.0); f_lchan_ensure_established(BSCVTY, 0, 0, g_chan_nr); f_verify_dtap(); } private function f_TC_mode_modify_to_vamos(charstring id) runs on MSC_ConnHdlr { f_est_lchan_and_mode_modify_to_vamos(); f_perform_clear(RSL); } /* Modify a primary lchan into VAMOS speech mode */ testcase TC_mode_modify_to_vamos_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); pars.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR})); vc_conn := f_start_handler(refers(f_TC_mode_modify_to_vamos), pars); vc_conn.done; f_shutdown_helper(); } /* Modify a primary lchan into VAMOS speech mode */ testcase TC_mode_modify_to_vamos_hr() 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); pars.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR})); vc_conn := f_start_handler(refers(f_TC_mode_modify_to_vamos), pars); vc_conn.done; f_shutdown_helper(); } /* Establish a primary lchan, and then do a re-assignment to a VAMOS shadow lchan. */ private function f_reassign_secondary_to_primary_lchan(RslChannelNr new_chan_nr) runs on MSC_ConnHdlr { var integer current_subslot := f_rsl_chan_nr_to_subslot(g_chan_nr); var integer new_subslot := f_rsl_chan_nr_to_subslot(new_chan_nr); var BIT5 new_rr_cbits := f_rsl_chan_nr_to_rr_cbits(new_chan_nr); activate(as_Media_mgw()); f_rslem_register(0, new_chan_nr, RSL_PROC); log("f_rslem_register(0, new_chan_nr = ", new_chan_nr, ")"); f_vty_transceive(BSCVTY, "bts 0 trx 0 timeslot " & int2str(g_chan_nr.tn) & " vamos-sub-slot " & int2str(current_subslot) & " reassign-to trx 0 timeslot " & int2str(new_chan_nr.tn) & " sub-slot " & int2str(new_subslot)); /* RSL CHAN ACT is ACKed by RSL emulation */ var RSL_Message rsl; var RSL_IE_Body ie; var boolean b_unused; interleave { [] RSL.receive(tr_RSL_DATA_REQ(g_chan_nr)) -> value rsl { var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(rsl.ies[2].body.l3_info.payload); var template PDU_ML3_NW_MS expect_rr_assignment := tr_RR_AssignmentCommand( desc := tr_ChannelDescription2_V(timeslotNumber := int2bit(new_chan_nr.tn, 3), channelTypeandTDMAOffset := new_rr_cbits), mode := tr_ChannelMode_TV(mode := '01'O /* 0 0 0 0 0 0 0 1 speech full rate or half rate version 1 (3GPP TS 44.018) */), extendedTSCSet := omit); if (not match(l3, expect_rr_assignment)) { log("expected: ", expect_rr_assignment); log("got: ", l3); setverdict(fail, "RR assignmentCommand message is not as expected"); mtc.stop; } var PDU_ML3_MS_NW l3_tx := valueof(ts_RRM_AssignmentComplete('00'O)); RSL.send(ts_RSL_EST_IND(new_chan_nr, valueof(ts_RslLinkID_DCCH(0)), enc_PDU_ML3_MS_NW(l3_tx))); } [] RSL.receive(tr_RSL_IPA_CRCX(new_chan_nr)) -> value rsl { var uint7_t rtp_pt := 0; if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD, ie)) { rtp_pt := ie.ipa_rtp_pt; } RSL.send(ts_RSL_IPA_CRCX_ACK(new_chan_nr, 123, f_inet_addr("1.2.3.4"), 4321, rtp_pt)); } [] RSL.receive(tr_RSL_IPA_MDCX(new_chan_nr, ?)) -> value rsl{ /* Extract conn_id, ip, port, rtp_pt2 from request + use in response */ b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_CONN_ID, ie); var uint16_t conn_id := ie.ipa_conn_id; /* mandatory */ b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_REMOTE_IP, ie); var HostPort peer; peer.host := f_inet_ntoa(ie.ipa_remote_ip); b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_REMOTE_PORT, ie); peer.port_nr := ie.ipa_remote_port; var uint7_t rtp_pt := 0; /* optional */ if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD, ie)) { rtp_pt := ie.ipa_rtp_pt; } RSL.send(ts_RSL_IPA_MDCX_ACK(new_chan_nr, conn_id, f_inet_addr(peer.host), peer.port_nr, rtp_pt)); } [] RSL.receive(tr_RSL_DEACT_SACCH(g_chan_nr)) {} [] RSL.receive(tr_RSL_RF_CHAN_REL(g_chan_nr)) { RSL.send(ts_ASP_RSL_UD(ts_RSL_RF_CHAN_REL_ACK(g_chan_nr), IPAC_PROTO_RSL_TRX0)); f_rslem_unregister(0, g_chan_nr, RSL_PROC); g_chan_nr := new_chan_nr; } /* (There must be no RSL_MT_REL_REQ on the old lchan.) */ } setverdict(pass); f_sleep(1.0); f_lchan_ensure_established(BSCVTY, 0, 0, g_chan_nr); f_verify_dtap(); } private function f_est_and_reassign_to_secondary_lchan(RslChannelNr new_chan_nr) runs on MSC_ConnHdlr { var integer new_subslot := f_rsl_chan_nr_to_subslot(new_chan_nr); var BIT5 new_rr_cbits := f_rsl_chan_nr_to_rr_cbits(new_chan_nr); var PDU_BSSAP ass_cmd := f_gen_ass_req(); var template PDU_BSSAP exp_compl := f_gen_exp_compl(); /* puzzle together the ASSIGNMENT REQ for given codec[s] */ if (mp_bssap_cfg[0].transport == BSSAP_TRANSPORT_AoIP) { ass_cmd.pdu.bssmap.assignmentRequest.codecList := g_pars.ass_codec_list; exp_compl.pdu.bssmap.assignmentComplete.speechCodec.codecElements[0] := g_pars.ass_codec_list.codecElements[0]; if (isvalue(g_pars.expect_mr_s0_s7)) { exp_compl.pdu.bssmap.assignmentComplete.speechCodec.codecElements[0].s0_7 := g_pars.expect_mr_s0_s7; } } ass_cmd.pdu.bssmap.assignmentRequest.channelType := f_BSSMAP_chtype_from_codec(g_pars.ass_codec_list.codecElements[0]); log("expecting ASS COMPL like this: ", exp_compl); f_establish_fully(ass_cmd, exp_compl); var integer current_subslot := f_rsl_chan_nr_to_subslot(g_chan_nr); f_sleep(1.0); activate(as_Media_mgw()); f_rslem_register(0, new_chan_nr, RSL_PROC); log("f_rslem_register(0, new_chan_nr = ", new_chan_nr, ")"); f_vty_transceive(BSCVTY, "bts 0 trx 0 timeslot " & int2str(g_chan_nr.tn) & " sub-slot " & int2str(current_subslot) & " reassign-to trx 0 timeslot " & int2str(new_chan_nr.tn) & " vamos-sub-slot " & int2str(new_subslot) & " tsc 4 2"); /* RSL CHAN ACT is ACKed by RSL emulation */ var RSL_Message rsl; var RSL_IE_Body ie; var boolean b_unused; interleave { [] RSL.receive(tr_RSL_DATA_REQ(g_chan_nr)) -> value rsl { var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(rsl.ies[2].body.l3_info.payload); var template PDU_ML3_NW_MS expect_rr_assignment := tr_RR_AssignmentCommand( desc := tr_ChannelDescription2_V(timeslotNumber := int2bit(new_chan_nr.tn, 3), channelTypeandTDMAOffset := new_rr_cbits), mode := tr_ChannelMode_TV(mode := 'C1'O /* 1 1 0 0 0 0 0 1 speech full rate or half rate version 1 in VAMOS mode (3GPP TS 44.018) */), extendedTSCSet := tr_ExtendedTSCSet_TV(cSDomainTSCSet := '11'B /* 3 means TSC Set 4 (range 1-4 in spec tables and naming, 0-3 on the wire) */)); if (not match(l3, expect_rr_assignment)) { log("expected: ", expect_rr_assignment); log("got: ", l3); setverdict(fail, "RR assignmentCommand message is not as expected"); mtc.stop; } var PDU_ML3_MS_NW l3_tx := valueof(ts_RRM_AssignmentComplete('00'O)); RSL.send(ts_RSL_EST_IND(new_chan_nr, valueof(ts_RslLinkID_DCCH(0)), enc_PDU_ML3_MS_NW(l3_tx))); } [] RSL.receive(tr_RSL_IPA_CRCX(new_chan_nr)) -> value rsl { var uint7_t rtp_pt := 0; if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD, ie)) { rtp_pt := ie.ipa_rtp_pt; } RSL.send(ts_RSL_IPA_CRCX_ACK(new_chan_nr, 123, f_inet_addr("1.2.3.4"), 4321, rtp_pt)); } [] RSL.receive(tr_RSL_IPA_MDCX(new_chan_nr, ?)) -> value rsl{ /* Extract conn_id, ip, port, rtp_pt2 from request + use in response */ b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_CONN_ID, ie); var uint16_t conn_id := ie.ipa_conn_id; /* mandatory */ b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_REMOTE_IP, ie); var HostPort peer; peer.host := f_inet_ntoa(ie.ipa_remote_ip); b_unused := f_rsl_find_ie(rsl, RSL_IE_IPAC_REMOTE_PORT, ie); peer.port_nr := ie.ipa_remote_port; var uint7_t rtp_pt := 0; /* optional */ if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_PAYLOAD, ie)) { rtp_pt := ie.ipa_rtp_pt; } RSL.send(ts_RSL_IPA_MDCX_ACK(new_chan_nr, conn_id, f_inet_addr(peer.host), peer.port_nr, rtp_pt)); } [] RSL.receive(tr_RSL_DEACT_SACCH(g_chan_nr)) {} [] RSL.receive(tr_RSL_RF_CHAN_REL(g_chan_nr)) { RSL.send(ts_ASP_RSL_UD(ts_RSL_RF_CHAN_REL_ACK(g_chan_nr), IPAC_PROTO_RSL_TRX0)); f_rslem_unregister(0, g_chan_nr, RSL_PROC); g_chan_nr := new_chan_nr; } /* (There must be no RSL_MT_REL_REQ on the old lchan.) */ } setverdict(pass); f_sleep(1.0); f_lchan_ensure_established(BSCVTY, 0, 0, g_chan_nr); f_verify_dtap(); } /* Establish a primary lchan, and then do a re-assignment to a VAMOS shadow lchan. * Also re-assign back to a primary lchan. */ private function f_TC_assign_to_secondary_lchan_fr(charstring id) runs on MSC_ConnHdlr { f_est_and_reassign_to_secondary_lchan(valueof(t_RslChanNr_Osmo_VAMOS_Bm(2))); f_reassign_secondary_to_primary_lchan(valueof(t_RslChanNr_Bm(3))); f_perform_clear(RSL); f_sleep(1.0); } /* Establish a primary lchan, and then do a re-assignment to a VAMOS shadow lchan. */ testcase TC_assign_to_secondary_lchan_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); pars.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR})); vc_conn := f_start_handler(refers(f_TC_assign_to_secondary_lchan_fr), pars); vc_conn.done; f_shutdown_helper(); } /* Establish a primary lchan, and then do a re-assignment to a VAMOS shadow lchan. * Also re-assign back to a primary lchan. */ private function f_TC_assign_to_secondary_lchan_hr(charstring id) runs on MSC_ConnHdlr { f_est_and_reassign_to_secondary_lchan(valueof(t_RslChanNr_Osmo_VAMOS_Lm(6, 0))); f_reassign_secondary_to_primary_lchan(valueof(t_RslChanNr_Lm(6, 1))); f_perform_clear(RSL); f_sleep(1.0); } /* Establish a primary lchan, and then do a re-assignment to a VAMOS shadow lchan. */ testcase TC_assign_to_secondary_lchan_hr() 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); pars.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR})); vc_conn := f_start_handler(refers(f_TC_assign_to_secondary_lchan_hr), pars); vc_conn.done; f_shutdown_helper(); } const charstring PRIMARY_LCHAN_DONE := "PRIMARY_LCHAN_DONE"; const charstring MULTIPLEX_DONE := "MULTIPLEX_DONE"; /* First, primary lchan of TC_vamos_multiplex_tch_f_tch_f() */ private function f_TC_vamos_multiplex_tch_f_tch_f1(charstring id) runs on MSC_ConnHdlr { f_est_lchan_and_mode_modify_to_vamos(); f_sleep(1.0); COORD.send(PRIMARY_LCHAN_DONE); f_logp(BSCVTY, "f_est_lchan_and_mode_modify_to_vamos done"); COORD.receive(MULTIPLEX_DONE); f_perform_clear(RSL); } /* Second, VAMOS shadow lchan of TC_vamos_multiplex_tch_f_tch_f() */ private function f_TC_vamos_multiplex_tch_f_tch_f2(charstring id) runs on MSC_ConnHdlr { f_sleep(1.0); COORD.receive(PRIMARY_LCHAN_DONE); f_est_and_reassign_to_secondary_lchan(valueof(t_RslChanNr_Osmo_VAMOS_Bm(1))); f_sleep(1.0); COORD.send(MULTIPLEX_DONE); f_perform_clear(RSL); } /* Establish a primary lchan and modify it to VAMOS speech mode. Then establish * another primary lchan, and re-assign it to the VAMOS secondary lchan of the * first primary lchan. */ testcase TC_vamos_multiplex_tch_f_tch_f() runs on test_CT { var TestHdlrParams pars1 := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn1; var TestHdlrParams pars2 := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn2; pars2.imsi := '001014234234234'H; pars2.media_nr := 2; f_init(1, true); f_sleep(1.0); pars1.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR})); pars2.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR})); vc_conn1 := f_start_handler(refers(f_TC_vamos_multiplex_tch_f_tch_f1), pars1); vc_conn2 := f_start_handler(refers(f_TC_vamos_multiplex_tch_f_tch_f2), pars2); connect(vc_conn1:COORD, vc_conn2:COORD); vc_conn1.done; vc_conn2.done; f_shutdown_helper(); } const charstring DONE := "DONE"; /* * f1 f2 f3 f4 * COORD <--> COORD | COORD2 <--> COORD | COORD2 <--> COORD * ---DONE-----> ---DONE-----> ---DONE-----> * <----DONE---- <----DONE---- <----DONE---- */ /* First, primary lchan of TC_vamos_multiplex_tch_h_tch_h_tch_h_tch_h() */ private function f_TC_vamos_multiplex_tch_h_tch_h1(charstring id) runs on MSC_ConnHdlr { f_est_lchan_and_mode_modify_to_vamos(); f_logp(BSCVTY, "f_est_lchan_and_mode_modify_to_vamos done"); COORD.send(DONE); COORD.receive(DONE); f_perform_clear(RSL); } /* Second, VAMOS shadow lchan of TC_vamos_multiplex_tch_h_tch_h_tch_h_tch_h() */ private function f_TC_vamos_multiplex_tch_h_tch_h2(charstring id) runs on MSC_ConnHdlr { f_sleep(1.0); COORD.receive(DONE); f_est_and_reassign_to_secondary_lchan(valueof(t_RslChanNr_Osmo_VAMOS_Lm(5, 0))); COORD2.send(DONE); COORD2.receive(DONE) COORD.send(DONE); f_perform_clear(RSL); } private function f_TC_vamos_multiplex_tch_h_tch_h3(charstring id) runs on MSC_ConnHdlr { f_sleep(1.0); COORD.receive(DONE); f_est_lchan_and_mode_modify_to_vamos(); f_logp(BSCVTY, "f_est_lchan_and_mode_modify_to_vamos done"); COORD2.send(DONE); COORD2.receive(DONE); COORD.send(DONE); f_perform_clear(RSL); } private function f_TC_vamos_multiplex_tch_h_tch_h4(charstring id) runs on MSC_ConnHdlr { f_sleep(1.0); COORD.receive(DONE); f_est_and_reassign_to_secondary_lchan(valueof(t_RslChanNr_Osmo_VAMOS_Lm(5, 1))); COORD.send(DONE); f_perform_clear(RSL); } /* Establish a primary lchan and modify it to VAMOS speech mode. Then establish * another primary lchan, and re-assign it to the VAMOS secondary lchan of the * first primary lchan. */ testcase TC_vamos_multiplex_tch_h_tch_h_tch_h_tch_h() runs on test_CT { var TestHdlrParams pars1 := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn1; pars1.imsi := '001011111111111'H; pars1.media_nr := 1; var TestHdlrParams pars2 := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn2; pars2.imsi := '001012222222222'H; pars2.media_nr := 2; var TestHdlrParams pars3 := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn3; pars3.imsi := '001013333333333'H; pars3.media_nr := 3; var TestHdlrParams pars4 := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn4; pars4.imsi := '001014444444444'H; pars4.media_nr := 4; f_init(1, true); f_sleep(1.0); pars1.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR})); pars2.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR})); pars3.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR})); pars4.ass_codec_list := valueof(ts_BSSMAP_IE_CodecList({ts_CodecHR})); vc_conn1 := f_start_handler(refers(f_TC_vamos_multiplex_tch_h_tch_h1), pars1); vc_conn2 := f_start_handler(refers(f_TC_vamos_multiplex_tch_h_tch_h2), pars2); /* Also fill up the second subslot of the TCH/H timeslot */ vc_conn3 := f_start_handler(refers(f_TC_vamos_multiplex_tch_h_tch_h3), pars3); vc_conn4 := f_start_handler(refers(f_TC_vamos_multiplex_tch_h_tch_h4), pars4); /* see diagram above (search for "---DONE") */ connect(vc_conn1:COORD, vc_conn2:COORD); connect(vc_conn2:COORD2, vc_conn3:COORD); connect(vc_conn3:COORD2, vc_conn4:COORD); vc_conn1.done; vc_conn2.done; vc_conn3.done; vc_conn4.done; f_shutdown_helper(); } control { execute( TC_chan_act_to_vamos() ); execute( TC_mode_modify_to_vamos_fr() ); execute( TC_mode_modify_to_vamos_hr() ); execute( TC_assign_to_secondary_lchan_fr() ); execute( TC_assign_to_secondary_lchan_hr() ); execute( TC_vamos_multiplex_tch_f_tch_f() ); execute( TC_vamos_multiplex_tch_h_tch_h_tch_h_tch_h() ); } }