module MSC_Tests_ASCI { /* Osmocom MSC test suite for ASCI support in TTCN-3 * (C) 2023 by sysmocom - s.f.m.c. GmbH * All Rights Reserved * * Author: Andreas Eversberg * * 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 */ import from General_Types all; import from Osmocom_Types all; import from BSC_ConnectionHandler all; import from MSC_Tests all; import from Osmocom_VTY_Functions all; import from GSUP_Emulation all; import from RAN_Emulation all; import from MGCP_Emulation all; import from RANAP_Templates all; import from BSSAP_Types all; import from BSSMAP_Templates all; import from L3_Templates all; import from MobileL3_CommonIE_Types all; /* Call control for VGCS and VBS * * There are 3 connection: * - "call" = voice group/broadcast call initiated by the calling subscriber * - "control" = VGCS/VBS call control connection * - "channel" = VGCS/VBS channel resource connection * * All 3 connections have their own handlers. They send their test results via * COORD messages to the main test function. There the result is collected and * the outcome of the test is checked. */ /* Test functions */ const charstring COORD_TEST_NO_CALLREF := "TEST_NO_CALLREF"; const charstring COORD_TEST_SETUP_REFUSE := "TEST_SETUP_REFUSE"; const charstring COORD_TEST_ASSIGN_FAIL := "TEST_ASSIGN_FAIL"; const charstring COORD_TEST_COMPLETE_VGCS := "TEST_COMPLETE_VGCS"; const charstring COORD_TEST_COMPLETE_VBS := "TEST_COMPLETE_VBS"; /* COORD pipes for each connection */ type component asci_CT extends MTC_CT { port BSC_ConnHdlr_Coord_PT COORD_call; port BSC_ConnHdlr_Coord_PT COORD_control; port BSC_ConnHdlr_Coord_PT COORD_channel; } /* COORD messages for test events */ const charstring COORD_SETUP := "SETUP"; const charstring COORD_VGCS_SETUP := "VGCS_SETUP"; const charstring COORD_VGCS_ASSIGN := "VGCS_ASSIGN"; const charstring COORD_UPLINK_SEIZED := "UPLINK_SEIZED"; const charstring COORD_GCC_CONNECT := "GCC_CONNECT"; const charstring COORD_BCC_CONNECT := "BCC_CONNECT"; const charstring COORD_GCC_SET_PARAM := "GCC_SET_PARAM"; const charstring COORD_BCC_SET_PARAM := "BCC_SET_PARAM"; const charstring COORD_UPLINK_REQ_ACK := "UPLINK_REQ_ACK"; const charstring COORD_GCC_TERMINATION := "GCC_TERMINATION"; const charstring COORD_BCC_TERMINATION := "BCC_TERMINATION"; const charstring COORD_GCC_TERMINATION_FAIL := "GCC_TERMINATION_FAIL"; const charstring COORD_BCC_TERMINATION_FAIL := "BCC_TERMINATION_FAIL"; const charstring COORD_ASSIGNMENT := "ASSIGNMENT"; const charstring COORD_CLEAR := "CLEAR"; template (value) DescriptiveGroupOrBroadcastCallReference_V ts_BSSMAP_IE_GroupCallRef(integer cr, BIT1 sf, BIT1 af, BIT3 prio, BIT4 ci) := { binaryCodingOfGroupOrBroadcastCallReference := int2bit(cr, 27), sF := sf, aF := af, callPriority := prio, cipheringInformation := ci, spare := '0000'B } function f_gen_asci_ass_res(integer bssap_idx := 0, template (value) BSSMAP_IE_ChannelType ch_type := ts_BSSMAP_IE_ChannelType, template (value) BSSMAP_IE_CellIdentifier cell_id := ts_CellId_CI(0), template (omit) BSSMAP_IE_AoIP_TransportLayerAddress aoip_tla := omit, template (omit) BSSMAP_IE_SpeechCodec codec := omit, template (omit) OCT4 call_id := omit) runs on BSC_ConnHdlr return template (value) PDU_BSSAP { if (mp_bssap_cfg[bssap_idx].transport == BSSAP_TRANSPORT_AoIP) { return ts_BSSMAP_VGCS_VBS_AssignmentRes(ch_type, cell_id, omit, omit, aoip_tla, codec, call_id); } else { var template (value) BSSMAP_IE_CircuitIdentityCode cic := ts_BSSMAP_IE_CIC(0,1); return ts_BSSMAP_VGCS_VBS_AssignmentRes(ch_type, cell_id, omit, cic, omit, omit, omit); } } /* "call" connection handling */ private function f_tc_vgcs_call(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr { /* Receive test case from main function. */ var charstring test; COORD.receive(charstring:?) -> value test; /* Initialize variables and templates. */ var CallParameters cpars := valueof(t_CallParams('12345'H, 0)); var template (value) DescriptiveGroupOrBroadcastCallReference_V callref := ts_BSSMAP_IE_GroupCallRef(oct2int('190000'O), '1'B, '0'B, '000'B, '0000'B); if (test == COORD_TEST_COMPLETE_VBS) { callref := ts_BSSMAP_IE_GroupCallRef(oct2int('1a0000'O), '0'B, '0'B, '000'B, '0000'B); } var template BSSMAP_IE_ChannelType tr_ch_type := tr_BSSMAP_IE_ChannelType('0001'B, ChRate_TCHF, Spdi_TCHF_FR); var template PDU_BSSAP tr_assignment_req := tr_BSSMAP_AssignmentReq(); tr_assignment_req.pdu.bssmap.assignmentRequest.channelType := tr_ch_type; tr_assignment_req.pdu.bssmap.assignmentRequest.groupCallReference := tr_BSSMAP_IE_GroupCallRef(bit2oct(encvalue(callref))); /* Due to a bug in dec_PDU_BSSAP(), we do not get the callref IE, so we need to match it with omit. */ tr_assignment_req.pdu.bssmap.assignmentRequest.groupCallReference := omit; var template (value) PDU_BSSAP ts_assignment_cpl := ts_BSSMAP_AssignmentComplete(omit, omit, omit, omit); var octetstring xcc_termination_21 := '340121'O; var octetstring xcc_termination_11 := '340111'O; var PDU_BSSAP rx_bssap; f_init_handler(pars); /* Location Update to make subscriber known. */ f_perform_lu(); /* MGW */ f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); var default crcx := activate(as_optional_mgcp_crcx(cpars)); var default mdcx := activate(as_optional_mgcp_mdcx(cpars.mgw_conn_2.mgw_rtp_ip, cpars.mgw_conn_2.mgw_rtp_port)); var default dlcx := activate(as_optional_mgcp_dlcx(cpars)); /* Establish connection using the service type, defined by the test. */ if (test == COORD_TEST_COMPLETE_VBS) { f_establish_fully(EST_TYPE_VBS); } else { f_establish_fully(EST_TYPE_VGCS); } /* Send incorrect call reference, if selected by test. */ log("Sending SETUP."); select (test) { case (COORD_TEST_NO_CALLREF) { BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_GCC(cpars.transaction_id, '3200002900'O))); } case (COORD_TEST_COMPLETE_VBS) { BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_BCC(cpars.transaction_id, '3200001a00'O))); } case else { BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_GCC(cpars.transaction_id, '3200001900'O))); } } COORD.send(COORD_SETUP); timer T := 10.0; T.start; alt { [] BSSAP.receive(tr_assignment_req) -> value rx_bssap { /* The MSC sends and Assignment Request to assign the calling subscriber to the VGCS/VBS channel. */ log("Got Assignment Request: ", rx_bssap); COORD.send(COORD_ASSIGNMENT); log("Sending Assignment Complete: ", ts_assignment_cpl); BSSAP.send(ts_assignment_cpl); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_GCC(cpars.transaction_id, xcc_termination_21))) { /* The MSC terminates the group call with cause 21 = requested service not subscribed. */ log("Got GCC Termination with failure."); COORD.send(COORD_GCC_TERMINATION_FAIL); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_BCC(cpars.transaction_id, xcc_termination_21))) { /* The MSC terminates the broadcast call with cause 21 = requested service not subscribed. */ log("Got BCC Termination with failure."); COORD.send(COORD_BCC_TERMINATION_FAIL); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_GCC(cpars.transaction_id, xcc_termination_11))) { /* The MSC terminates the group call with cause 11 = network failure. */ log("Got GCC Termination with failure."); COORD.send(COORD_GCC_TERMINATION_FAIL); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_BCC(cpars.transaction_id, xcc_termination_11))) { /* The MSC terminates the broadcast call with cause 11 = network failure. */ log("Got BCC Termination with failure."); COORD.send(COORD_BCC_TERMINATION_FAIL); repeat; } [] BSSAP.receive(tr_BSSMAP_ClearCommand) { /* The SCCP connection is released. */ log("Got Clear Command on initial connection."); COORD.send(COORD_CLEAR); repeat; } [] BSSAP.receive { setverdict(fail, "Got unexpected message on initial connection."); } [] COORD.receive(COORD_CLEAR) { } [] T.timeout { setverdict(fail, "Timeout waiting for Message"); } } deactivate(crcx); deactivate(mdcx); deactivate(dlcx); } /* "control" connection handling */ private function f_tc_vgcs_control(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr { /* Receive test case from main function. */ var charstring test; COORD.receive(charstring:?) -> value test; /* Initialize variables and templates. */ var CallParameters cpars := valueof(t_CallParams('12345'H, 0)); var template (value) DescriptiveGroupOrBroadcastCallReference_V callref := ts_BSSMAP_IE_GroupCallRef(oct2int('190000'O), '1'B, '0'B, '000'B, '0000'B); if (test == COORD_TEST_COMPLETE_VBS) { callref := ts_BSSMAP_IE_GroupCallRef(oct2int('1a0000'O), '0'B, '0'B, '000'B, '0000'B); } var template PDU_BSSAP tr_vgcs_vbs_setup := tr_BSSMAP_VGCS_VBS_Setup(bit2oct(encvalue(callref))); var template (value) PDU_BSSAP ts_vgcs_vbs_setup_ack := ts_BSSMAP_VGCS_VBS_SetupAck(omit); var myBSSMAP_Cause cause_fail := GSM0808_CAUSE_EQUIPMENT_FAILURE; var template (value) PDU_BSSAP ts_vgcs_vbs_setup_refuse := ts_BSSMAP_VGCS_VBS_SetupRefuse(enum2int(cause_fail)); var octetstring gcc_connect := '330000190001'O; var octetstring bcc_connect := '3300001a0001'O; var octetstring xcc_set_param := '3A07'O; var octetstring gcc_term_req := '3500001900'O; var octetstring bcc_term_req := '3500001a00'O; var octetstring xcc_termination := '340110'O; /* L3 info carries the mobile identity of the talker requesting the uplink. */ var octetstring uplink_req_conf := '061103505902082926240000000033'O; var myBSSMAP_Cause cause_success := GSM0808_CAUSE_CALL_CONTROL; var template (value) PDU_BSSAP ts_uplink_rel_ind := ts_BSSMAP_UplinkRelInd(enum2int(cause_success), omit); var template (value) PDU_BSSAP ts_uplink_req := ts_BSSMAP_UplinkReq; var template (value) PDU_BSSAP ts_uplink_req_conf := ts_BSSMAP_UplinkReqConf(ts_CellId_CI(42), omit, uplink_req_conf); var PDU_BSSAP rx_bssap; f_init_handler(pars); f_create_bssmap_exp_n_connect(193); timer T := 7.0; T.start; alt { [] BSSAP.receive(tr_vgcs_vbs_setup) -> value rx_bssap { /* The MSC sets up call control on the BSC. The test case will send an ack or a refuse. */ log("Got VGCS/VBS Setup: ", rx_bssap); COORD.send(COORD_VGCS_SETUP); if (test == COORD_TEST_SETUP_REFUSE) { log("Sending VGCS/VBS Setup Refuse: ", ts_vgcs_vbs_setup_refuse); BSSAP.send(ts_vgcs_vbs_setup_refuse); } else { log("Sending VGCS/VBS Setup Ack: ", ts_vgcs_vbs_setup_ack); BSSAP.send(ts_vgcs_vbs_setup_ack); } repeat; } [] BSSAP.receive(tr_BSSMAP_UplinkSeizedCmd(GSM0808_CAUSE_CALL_CONTROL)) -> value rx_bssap { /* After setting up the call, the MSC marks the call as busy. */ log("Got Uplink Seized Cmd: ", rx_bssap); COORD.send(COORD_UPLINK_SEIZED); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_GCC(cpars.transaction_id, gcc_connect))) { /* The GCC CONNECT message is sent to the calling MS. */ log("Got GCC Connect."); COORD.send(COORD_GCC_CONNECT); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_BCC(cpars.transaction_id, bcc_connect))) { /* The BCC CONNECT message is sent to the calling MS. */ log("Got BCC Connect."); COORD.send(COORD_BCC_CONNECT); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_GCC(cpars.transaction_id, xcc_set_param))) { /* The GCC SET PARAMETER message is sent to the calling MS. */ log("Got GCC Set Parameter."); COORD.send(COORD_GCC_SET_PARAM); f_sleep(0.2); /* The MS releases the uplink. */ log("Sending Uplink Release Ind: ", ts_uplink_rel_ind); BSSAP.send(ts_uplink_rel_ind); f_sleep(0.2); /* The MS requests the uplink again. */ log("Sending Uplink Req: ", ts_uplink_req); BSSAP.send(ts_uplink_req); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_BCC(cpars.transaction_id, xcc_set_param))) { /* The BCC SET PARAMETER message is sent to the calling MS. */ log("Got BCC Set Parameter"); COORD.send(COORD_BCC_SET_PARAM); f_sleep(0.2); /* The MS requests termination of the call. */ log("Sending BCC Termination Request: ", bcc_term_req); BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_BCC(cpars.transaction_id, bcc_term_req))); repeat; } [] BSSAP.receive(tr_BSSMAP_UplinkReqAck(*)) -> value rx_bssap { /* The uplink was granted by the MSC. */ log("Got Uplink Request Acknowledge: ", rx_bssap); COORD.send(COORD_UPLINK_REQ_ACK); f_sleep(0.2); /* The BSC confirms the uplink and provides mobile identity to identify originator. */ log("Sending Uplink Req Confirm: ", ts_uplink_req_conf); BSSAP.send(ts_uplink_req_conf); /* The MS requests termination of the call. */ log("Sending GCC Termination Request: ", gcc_term_req); BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_GCC(cpars.transaction_id, gcc_term_req))); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_GCC(cpars.transaction_id, xcc_termination))) { /* The MSC terminates the call towards the MS. */ log("Got GCC Termination."); COORD.send(COORD_GCC_TERMINATION); repeat; } [] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_BCC(cpars.transaction_id, xcc_termination))) { /* The MSC terminates the call towards the MS. */ log("Got BCC Termination."); COORD.send(COORD_BCC_TERMINATION); repeat; } [] BSSAP.receive(tr_BSSMAP_ClearCommand) { /* The SCCP connection is released. */ log("Got Clear Command on control connection."); COORD.send(COORD_CLEAR); repeat; } [] BSSAP.receive(PDU_BSSAP:?) -> value rx_bssap { setverdict(fail, "Got unexpected BSSAP message on control connection: ", rx_bssap); } [] BSSAP.receive { setverdict(fail, "Got unexpected message on control connection."); } [] COORD.receive(COORD_CLEAR) { } [] T.timeout { setverdict(fail, "Timeout on control connection."); } } } /* "channel" connection handling */ private function f_tc_vgcs_channel(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr { /* Receive test case from main function. */ var charstring test; COORD.receive(charstring:?) -> value test; /* Initialize variables and templates. */ var template (value) DescriptiveGroupOrBroadcastCallReference_V callref := ts_BSSMAP_IE_GroupCallRef(oct2int('190000'O), '1'B, '0'B, '000'B, '0000'B); if (test == COORD_TEST_COMPLETE_VBS) { callref := ts_BSSMAP_IE_GroupCallRef(oct2int('1a0000'O), '0'B, '0'B, '000'B, '0000'B); } var template (present) BSSMAP_IE_ChannelType tr_ch_type := tr_BSSMAP_IE_ChannelType('0001'B, ChRate_TCHF, Spdi_TCHF_FR); var template (value) BSSMAP_IE_ChannelType ts_ch_type := valueof(ts_BSSMAP_IE_ChannelTypeCTM); var template (present) BSSMAP_IE_CellIdentifier tr_cell_id := tr_CellId_CI(42); var template (value) BSSMAP_IE_CellIdentifier ts_cell_id := ts_CellId_CI(42); var template (value) BSSMAP_IE_AoIP_TransportLayerAddress ts_tla := f_ts_BSSMAP_IE_AoIP_TLA("1.2.3.4", 2342); var template (value) BSSMAP_IE_SpeechCodec ts_codec := ts_BSSMAP_IE_SpeechCodec({ts_CodecFR}); var template PDU_BSSAP tr_vgcs_vbs_ass_req := tr_BSSMAP_VGCS_VBS_AssignmentReq(tr_ch_type, '01'O, tr_cell_id, bit2oct(encvalue(callref)), *, *, *); var template (value) PDU_BSSAP ts_vgcs_vbs_ass_res := f_gen_asci_ass_res(0, ts_ch_type, ts_cell_id, ts_tla, ts_codec, '01000000'O); var myBSSMAP_Cause cause_fail := GSM0808_CAUSE_EQUIPMENT_FAILURE; var template (value) PDU_BSSAP ts_vgcs_vbs_ass_fail := ts_BSSMAP_VGCS_VBS_AssignmentFail(enum2int(cause_fail)); var PDU_BSSAP rx_bssap; f_init_handler(pars); /* Wait some time before registering, because this has to be the second connection to be registered. */ f_sleep(0.5); f_create_bssmap_exp_n_connect(193); timer T := 7.0; T.start; alt { [] BSSAP.receive(tr_vgcs_vbs_ass_req) -> value rx_bssap { /* The MSC allocates channel on the given BTS. The test case will send a result or a failure. */ log("Got VGCS/VBS Assignment Request: ", rx_bssap); COORD.send(COORD_VGCS_ASSIGN); if (test == COORD_TEST_ASSIGN_FAIL) { log("Sending VGCS/VBS Assignment Failure: ", ts_vgcs_vbs_ass_fail); BSSAP.send(ts_vgcs_vbs_ass_fail); } else { log("Sending VGCS/VBS Assignment Result: ", ts_vgcs_vbs_ass_res); BSSAP.send(ts_vgcs_vbs_ass_res); } repeat; } [] BSSAP.receive(tr_BSSMAP_ClearCommand) { /* The SCCP connection is released. */ log("Got Clear Command on channel connection."); COORD.send(COORD_CLEAR); repeat; } [] BSSAP.receive(PDU_BSSAP:?) -> value rx_bssap { setverdict(fail, "Got unexpected BSSAP message on channel connection: ", rx_bssap); } [] BSSAP.receive { setverdict(fail, "Got unexpected message on channel connection."); } [] COORD.receive(COORD_CLEAR) { } [] T.timeout { setverdict(fail, "Timeout on channel connection."); } } } /* Main function for call test */ private function f_TC_asci_call(charstring test) runs on asci_CT { var BSC_ConnHdlr vc_conn_call, vc_conn_control, vc_conn_channel; var boolean got_vgcs_setup := false; var boolean got_vgcs_assign := false; var boolean got_uplink_seized := false; var boolean got_gcc_connect := false; var boolean got_bcc_connect := false; var boolean got_gcc_set_param := false; var boolean got_bcc_set_param := false; var boolean got_uplink_req_ack := false; var boolean got_gcc_termination := false; var boolean got_bcc_termination := false; var boolean got_gcc_termination_fail := false; var boolean got_bcc_termination_fail := false; var boolean got_assignment := false; var boolean connection_call := false; var boolean connection_control := false; var boolean connection_channel := false; var charstring event; f_init(); /* Enable ASCI in VTY and setup a VGC and a VBS. */ f_vty_config(MSCVTY, "asci", "enable"); f_vty_config2(MSCVTY, { "asci", "gcr", "vgc 200"}, "cell 0.24.1 42"); f_vty_config2(MSCVTY, { "asci", "gcr", "vbc 208"}, "cell 0.24.1 42"); vc_conn_call := f_start_handler(refers(f_tc_vgcs_call), 33); vc_conn_control := f_start_handler(refers(f_tc_vgcs_control), 34); vc_conn_channel := f_start_handler(refers(f_tc_vgcs_channel), 35); connect(self:COORD_call, vc_conn_call:COORD); connect(self:COORD_control, vc_conn_control:COORD); connect(self:COORD_channel, vc_conn_channel:COORD); COORD_call.send(test); COORD_control.send(test); COORD_channel.send(test); /* Receive the test events until all three connections are released or not established. */ timer T := 7.0, Texit := 0.5; T.start; alt { [] COORD_call.receive(COORD_SETUP) -> value event { log("Got test event: ", event); connection_call := true; repeat; } [] COORD_control.receive(COORD_VGCS_SETUP) -> value event { log("Got test event: ", event); got_vgcs_setup := true; connection_control := true; repeat; } [] COORD_channel.receive(COORD_VGCS_ASSIGN) -> value event { log("Got test event: ", event); got_vgcs_assign := true; connection_channel := true; repeat; } [] COORD_control.receive(COORD_UPLINK_REQ_ACK) -> value event { log("Got test event: ", event); got_uplink_req_ack := true; repeat; } [] COORD_control.receive(COORD_GCC_CONNECT) -> value event { log("Got test event: ", event); got_gcc_connect := true; repeat; } [] COORD_control.receive(COORD_BCC_CONNECT) -> value event { log("Got test event: ", event); got_bcc_connect := true; repeat; } [] COORD_control.receive(COORD_GCC_SET_PARAM) -> value event { log("Got test event: ", event); got_gcc_set_param := true; repeat; } [] COORD_control.receive(COORD_BCC_SET_PARAM) -> value event { log("Got test event: ", event); got_bcc_set_param := true; repeat; } [] COORD_control.receive(COORD_UPLINK_SEIZED) -> value event { log("Got test event: ", event); got_uplink_seized := true; repeat; } [] COORD_call.receive(COORD_GCC_TERMINATION_FAIL) -> value event { log("Got test event: ", event); got_gcc_termination_fail := true; repeat; } [] COORD_call.receive(COORD_BCC_TERMINATION_FAIL) -> value event { log("Got test event: ", event); got_bcc_termination_fail := true; repeat; } [] COORD_control.receive(COORD_GCC_TERMINATION) -> value event { log("Got test event: ", event); got_gcc_termination := true; repeat; } [] COORD_control.receive(COORD_BCC_TERMINATION) -> value event { log("Got test event: ", event); got_bcc_termination := true; repeat; } [] COORD_call.receive(COORD_ASSIGNMENT) -> value event { log("Got test event: ", event); got_assignment := true; repeat; } [not connection_call] COORD_call.receive(COORD_CLEAR) -> value event { setverdict(fail, "Received CLEAR COMMAND of initial call twice."); } [] COORD_call.receive(COORD_CLEAR) -> value event { log("Got test event: ", event); connection_call := false; if (connection_call or connection_control or connection_channel) { repeat; } Texit.start; repeat; } [not connection_control] COORD_control.receive(COORD_CLEAR) -> value event { setverdict(fail, "Received CLEAR COMMAND control connection twice."); } [] COORD_control.receive(COORD_CLEAR) -> value event { log("Got test event: ", event); connection_control := false; if (connection_call or connection_control or connection_channel) { repeat; } Texit.start; repeat; } [not connection_channel] COORD_channel.receive(COORD_CLEAR) -> value event { setverdict(fail, "Received CLEAR COMMAND of channel connection twice."); } [] COORD_channel.receive(COORD_CLEAR) -> value event { log("Got test event: ", event); connection_channel := false; if (connection_call or connection_control or connection_channel) { repeat; } Texit.start; repeat; } [] COORD_call.receive { setverdict(fail, "Unhandled COORD_call, please fix!"); } [] COORD_control.receive { setverdict(fail, "Unhandled COORD_control, please fix!"); } [] COORD_channel.receive { setverdict(fail, "Unhandled COORD_channel, please fix!"); } [] T.timeout { setverdict(fail, "Timeout waiting for Test result"); } [] Texit.timeout { log("All connection are cleared now."); } } /* Tell the connection handlers to exit. */ COORD_call.send(COORD_CLEAR); COORD_control.send(COORD_CLEAR); COORD_channel.send(COORD_CLEAR); vc_conn_call.done; vc_conn_control.done; vc_conn_channel.done; if (getverdict == fail) { return; } /* Check if the outcome of each test is as expected. */ select (test) { case (COORD_TEST_NO_CALLREF) { if (not got_vgcs_setup and not got_vgcs_assign and got_gcc_termination_fail) { setverdict(pass); } } case (COORD_TEST_SETUP_REFUSE) { if (got_vgcs_setup and not got_vgcs_assign and got_gcc_termination_fail) { setverdict(pass); } } case (COORD_TEST_ASSIGN_FAIL) { if (got_vgcs_setup and got_vgcs_assign and got_gcc_termination_fail) { setverdict(pass); } } case (COORD_TEST_COMPLETE_VGCS) { if (got_vgcs_setup and got_vgcs_assign and got_uplink_req_ack and got_gcc_connect and got_gcc_set_param and got_uplink_seized and got_gcc_termination and got_assignment) { setverdict(pass); } } case (COORD_TEST_COMPLETE_VBS) { if (got_vgcs_setup and got_vgcs_assign and not got_uplink_req_ack and got_bcc_connect and got_bcc_set_param and got_uplink_seized and got_bcc_termination and got_assignment) { setverdict(pass); } } case else { setverdict(fail, "Test case has no check for the outcome, please fix! Test was: ", test); } } if (getverdict == pass) { log("All expected events have been received. The test passed."); } else { setverdict(fail, "Not all expected event received."); } } /* A call is tried, but the given call reference does not exit. */ testcase TC_no_callref() runs on asci_CT { f_TC_asci_call(COORD_TEST_NO_CALLREF); } /* The VGCS/VBS is refused by the BSC. */ testcase TC_setup_refuse() runs on asci_CT { f_TC_asci_call(COORD_TEST_SETUP_REFUSE); } /* The VGCS/VBS channel is refused by the BSC. */ testcase TC_assign_fail() runs on asci_CT { f_TC_asci_call(COORD_TEST_ASSIGN_FAIL); } /* The VGCS call is completed and the MS releases and requests the uplink again. Then it terminates the call. */ testcase TC_complete_vgcs() runs on asci_CT { f_TC_asci_call(COORD_TEST_COMPLETE_VGCS); } /* The VBS call is completed and the MS terminates the call. */ testcase TC_complete_vbs() runs on asci_CT { f_TC_asci_call(COORD_TEST_COMPLETE_VBS); } control { execute( TC_no_callref() ); execute( TC_setup_refuse() ); execute( TC_assign_fail() ); execute( TC_complete_vgcs() ); execute( TC_complete_vbs() ); } }