module CBC_Tests { import from Osmocom_Types all; import from Socket_API_Definitions all; import from BSSAP_Types all; import from BSSMAP_Templates all; import from CBSP_Types all; import from CBSP_Templates all; import from CBSP_Adapter all; import from CBSP_CodecPort all; import from SABP_Types all; import from SABP_Templates all; import from SABP_IEs all; import from SABP_PDU_Descriptions all; import from SBC_AP_IEs all; import from SBC_AP_Constants all; import from SBC_AP_PDU_Contents all; import from SBC_AP_PDU_Descriptions all; import from SBC_AP_Types all; import from SBC_AP_Templates all; import from SBC_AP_CodecPort all; import from SBC_AP_Adapter all; import from HTTP_Adapter all; import from HTTPmsg_Types all; import from ECBE_Types all; import from CBS_Message all; import from ECBE_Components all; import from BSC_ConnectionHandler all; import from MME_ConnectionHandler all; const integer MAX_BSC := 2; const integer MAX_MME := 2; type record BSC_modulepar_cfg { boolean tcp_is_client }; type record of BSC_modulepar_cfg BSC_modulepar_cfgs; type record MME_modulepar_cfg { boolean sctp_is_client }; type record of MME_modulepar_cfg MME_modulepar_cfgs; modulepar { charstring mp_local_host := "127.0.0.2"; charstring mp_cbc_host := "127.0.0.1"; integer mp_cbc_cbsp_port := 48049; integer mp_cbc_sbcap_port := c_SBC_AP_PORT; integer mp_cbc_ecbe_port := 12345; integer mp_local_cbsp_port := 15000; integer mp_local_sbcap_port := 16000; /* Must match osmo-cbc.cfg: */ BSC_modulepar_cfgs mp_bsc_cfg := { { tcp_is_client := true }, { tcp_is_client := false } }; MME_modulepar_cfgs mp_mme_cfg := { { sctp_is_client := true }, { sctp_is_client := false } }; }; type component test_CT extends CBSP_Adapter_CT, http_CT { timer g_Tguard := 60.0; var integer g_num_bsc; var integer g_num_mme; var BSC_ConnHdlr g_vc_conn_BSC[MAX_BSC]; var MME_ConnHdlr g_vc_conn_MME[MAX_MME]; var BSC_ConnHdlrPars g_pars_BSC[MAX_BSC]; var MME_ConnHdlrPars g_pars_MME[MAX_MME]; port BSC_ConnHdlr_Coord_PT COORD_BSC[MAX_BSC]; port MME_ConnHdlr_Coord_PT COORD_MME[MAX_BSC]; }; private function f_shutdown_helper() runs on test_CT { /* Wait for all BSC cons to terminate */ for (var integer i := 0; i < g_num_bsc; i := i + 1) { g_vc_conn_BSC[i].done; } /* Wait for all MME cons to terminate */ for (var integer i := 0; i < g_num_mme; i := i + 1) { g_vc_conn_MME[i].done; } all component.stop; setverdict(pass); mtc.stop; } /* altstep for the global guard timer */ private altstep as_Tguard() runs on test_CT { [] g_Tguard.timeout { setverdict(fail, "Tguard timeout"); all component.stop; mtc.stop; } } /* * BSC Conn Handler: */ private function f_BSC_ConnHdlr_start_fn_void() runs on BSC_ConnHdlr { log("Default start_fn() function called!"); } private function f_init_pars_bsc(charstring bsc_host, integer bsc_cbsp_port, charstring cbc_host, integer cbc_cbsp_port, boolean tcp_is_client) runs on test_CT return BSC_ConnHdlrPars { var BSC_ConnHdlrPars pars := { bsc_host := bsc_host, bsc_cbsp_port := bsc_cbsp_port, cbc_host := cbc_host, cbc_cbsp_port := cbc_cbsp_port, tcp_is_client := tcp_is_client, start_fn := refers(f_BSC_ConnHdlr_start_fn_void), exp_cbs_msg := omit, cell_list_success := omit, tx_fail_list := omit }; return pars; } private function f_init_bsc(integer idx, charstring id) runs on test_CT return BSC_ConnHdlr { var BSC_ConnHdlr vc_conn; id := id & "-BSC" & int2str(idx); vc_conn := BSC_ConnHdlr.create(id) alive; g_pars_BSC[idx] := f_init_pars_bsc(mp_local_host, mp_local_cbsp_port + idx, mp_cbc_host, mp_cbc_cbsp_port, mp_bsc_cfg[idx].tcp_is_client); connect(self:COORD_BSC[idx], vc_conn:COORD); return vc_conn; } private function f_start_bsc(integer idx, charstring id, BSC_ConnHdlrPars pars) runs on test_CT { id := id & "-BSC" & int2str(idx); g_vc_conn_BSC[idx] := f_init_bsc(idx, id); g_vc_conn_BSC[idx].start(f_BSC_ConnHdlr_main(id, pars)); } /* * MME Conn Handler: */ private function f_MME_ConnHdlr_start_fn_void() runs on MME_ConnHdlr { log("Default start_fn() function called!"); } private function f_init_pars_mme(charstring mme_host, integer mme_sbcap_port, charstring cbc_host, integer cbc_sbcap_port, boolean sctp_is_client) runs on test_CT return MME_ConnHdlrPars { var MME_ConnHdlrPars pars := { mme_host := mme_host, mme_sbcap_port := mme_sbcap_port, cbc_host := cbc_host, cbc_sbcap_port := cbc_sbcap_port, sctp_is_client := sctp_is_client, start_fn := refers(f_MME_ConnHdlr_start_fn_void), exp_cbs_msg := omit, write_replace_warning_req_cause := SBC_AP_Cause_message_accepted, write_replace_warning_ind_cause := omit, write_repl_unknown_TAIs := omit, bcast_cell_id_list := omit }; return pars; } private function f_init_mme(integer idx, charstring id) runs on test_CT return MME_ConnHdlr { var MME_ConnHdlr vc_conn; id := id & "-MME" & int2str(idx); vc_conn := MME_ConnHdlr.create(id) alive; g_pars_MME[idx] := f_init_pars_mme(mp_local_host, mp_local_sbcap_port + idx, mp_cbc_host, mp_cbc_sbcap_port, mp_mme_cfg[idx].sctp_is_client); connect(self:COORD_MME[idx], vc_conn:COORD); return vc_conn; } private function f_start_mme(integer idx, charstring id, MME_ConnHdlrPars pars) runs on test_CT { id := id & "-MME" & int2str(idx); g_vc_conn_MME[idx] := f_init_mme(idx, id); g_vc_conn_MME[idx].start(f_MME_ConnHdlr_main(id, pars)); } private function f_init(integer num_bsc := 0, integer num_mme := 0) runs on test_CT { var HTTP_Adapter_Params http_adapter_pars := { http_host := mp_cbc_host, http_port := mp_cbc_ecbe_port, use_ssl := false }; f_http_init(http_adapter_pars); g_num_bsc := num_bsc; for (var integer i := 0; i < g_num_bsc; i := i + 1) { g_vc_conn_BSC[i] := f_init_bsc(i, testcasename()); } g_num_mme := num_mme; for (var integer i := 0; i < g_num_mme; i := i + 1) { g_vc_conn_MME[i] := f_init_mme(i, testcasename()); } } function f_start(float t_guard := 60.0) runs on test_CT { /* Start guard timer and activate it as default */ g_Tguard.start(t_guard); activate(as_Tguard()); for (var integer i := 0; i < g_num_bsc; i := i + 1) { f_start_bsc(i, testcasename(), g_pars_BSC[i]); } for (var integer i := 0; i < g_num_mme; i := i + 1) { f_start_mme(i, testcasename(), g_pars_MME[i]); } /* Now wait for conns to be ready: */ for (var integer i := 0; i < g_num_bsc; i := i + 1) { COORD_BSC[i].receive(COORD_MSG_CONNECTED); } for (var integer i := 0; i < g_num_mme; i := i + 1) { COORD_MME[i].receive(COORD_MSG_CONNECTED); } } /* test whether or not we receive a valid KEEP-ALIVE from the CBC */ private function f_bsc_TC_rx_keepalive() runs on BSC_ConnHdlr { var CBSP_PDU rx; var CBSP_IE ie; rx := f_cbsp_exp(tr_CBSP_KEEP_ALIVE(?)); f_cbsp_find_ie(rx, CBSP_IEI_KEEP_ALIVE_REP_PERIOD, ie); } testcase TC_rx_keepalive() runs on test_CT { f_init(num_bsc := 1); g_pars_BSC[0].start_fn := refers(f_bsc_TC_rx_keepalive); f_start(); f_shutdown_helper(); } /* test whether CBC terminates connection if KEEP-ALIVE is not answered by BSC */ private function f_bsc_TC_rx_keepalive_timeout() runs on BSC_ConnHdlr { var CBSP_PDU rx; var CBSP_IE ie; var integer ka_rep_per_s; rx := f_cbsp_exp(tr_CBSP_KEEP_ALIVE(?)); f_cbsp_find_ie(rx, CBSP_IEI_KEEP_ALIVE_REP_PERIOD, ie); /* sleep for longer than the keep-alive period */ ka_rep_per_s := f_cbsp_period2s(ie.body.keep_alive_rep_period); f_sleep(int2float(ka_rep_per_s + 5)); /* expect the CBSP connection to be closed */ CBSP[0].receive(PortEvent:{connClosed:=?}) } testcase TC_rx_keepalive_timeout() runs on test_CT { f_init(num_bsc := 1); g_pars_BSC[0].start_fn := refers(f_bsc_TC_rx_keepalive_timeout); f_start(t_guard := 100.0); f_shutdown_helper(); } private const BSSMAP_FIELD_CellIdentificationList cil_BSS := { cIl_allInBSS := ''O }; private function f_bsc_TC_write_replace() runs on BSC_ConnHdlr { f_cbsp_handle_write(g_pars.exp_cbs_msg); f_sleep(100.0); } testcase TC_write_replace() runs on test_CT { var CBS_Message msg := { msg_id := 42, ser_nr := 16752, old_ser_nr := omit, cell_list := cil_BSS, channel_ind := 0, category := CBSP_CATEG_NORMAL, rep_period := 5, num_bcast_req := 3, dcs := 1, content := { { '00'O, 1 } } }; f_init(num_bsc := 1); g_pars_BSC[0].exp_cbs_msg := msg; g_pars_BSC[0].start_fn := refers(f_bsc_TC_write_replace); f_start(); f_shutdown_helper(); } testcase TC_selftest() runs on test_CT { const octetstring c_load_q := '0700000d0400080000f110012345671200'O; const octetstring c_load_q_compl := '0800000f0a000a0000f1100123456700001200'O; const octetstring c_reset := '1000000b0400080000f11001234567'O; const octetstring c_reset_compl := '1100000b0400080000f11001234567'O; const octetstring c_msg_sts_q := '0a0000130e022b0200000400080000f110012345671200'O; const octetstring c_msg_sts_q_fail := '0c0000140e022b0200000900090000f11001234567021200'O; const octetstring c_kill := '040000110e00000200000400080000f11001234567'O; const octetstring c_kill_fail := '060000120e00000200000900090000f1100123456702'O; const octetstring c_write_repl := '010000c70e022b0300300400080000f110012345671200050006000407000613020c400107f4f29c9e769f5de337b90c921d1b8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d100'O; const octetstring c_write_repl_compl := '020000130e022b0300300400080000f110012345671200'O; const octetstring c_write_repl_fail := '030000140e022b0300300900090000f110012345670d1200'O; const octetstring c_msg_s_q := '0a0000130e022b0200900400080000f110012345671200'O; const octetstring c_msg_s_q_compl := '0b0000160e022b02009008000b0000f110012345670008001200'O; const octetstring c_kill_compl := '050000160e022b02008008000b0000f110012345670006001200'O; log(dec_CBSP_PDU(c_load_q)); log(dec_CBSP_PDU(c_load_q_compl)); log(dec_CBSP_PDU(c_reset)); log(dec_CBSP_PDU(c_reset_compl)); log(dec_CBSP_PDU(c_msg_sts_q)); log(dec_CBSP_PDU(c_msg_sts_q_fail)); log(dec_CBSP_PDU(c_kill)); log(dec_CBSP_PDU(c_kill_fail)); log(dec_CBSP_PDU(c_write_repl)); log(dec_CBSP_PDU(c_write_repl_compl)); log(dec_CBSP_PDU(c_write_repl_fail)); log(dec_CBSP_PDU(c_msg_s_q)); log(dec_CBSP_PDU(c_msg_s_q_compl)); log(dec_CBSP_PDU(c_kill_compl)); } testcase TC_selftest_sabp() runs on test_CT { const octetstring c_write := '00000080930000080006000211120007000240c0000f0010000113f0030282ec0613f0030282ec070001400100000d0002012a000900020000000400010100000056029f01b4d90d064297d9ec37e8fe96b3c9a0303bdd68341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d168341a8d46a3d10012'O; log(dec_SABP_PDU(c_write)); log(enc_SABP_PDU(dec_SABP_PDU(c_write))); var template (value) Service_Areas_List sa_list := { ts_SabpSai('62F224'O, '0023'O, '0042'O) }; var template (value) SABP_PDU tx; tx := ts_SABP_Write(int2bit(1, 16), int2bit(1, 16), sa_list, 23, 42, '00000000'B, '01011010'B); log("Write: ", enc_SABP_PDU(valueof(tx))) var Service_Areas_List sa_list2 := { valueof(ts_SabpSai('62F224'O, '1000'O, '0042'O)) }; for (var integer i := 0; i < 2500; i := i+1) { sa_list2 := sa_list2 & {valueof(ts_SabpSai('62F224'O, '2000'O, int2oct(i,2))) }; } tx := ts_SABP_Write(int2bit(2, 16), int2bit(2, 16), sa_list2, 23, 42, '00000000'B, '01011010'B); log("Write: ", enc_SABP_PDU(valueof(tx))) tx := ts_SABP_Restart(sa_list); log("Restart: ", enc_SABP_PDU(valueof(tx))); } private function f_bsc_create_and_delete() runs on BSC_ConnHdlr { f_cbsp_handle_write(g_pars.exp_cbs_msg, 0, g_pars.cell_list_success); f_cbsp_handle_kill(0, g_pars.exp_cbs_msg.msg_id, g_pars.exp_cbs_msg.ser_nr, exp_list:=g_pars.cell_list_success, tx_list:=g_pars.cell_list_success, tx_fail_list:=omit, tx_compl_list:=omit, channel_ind:=g_pars.exp_cbs_msg.channel_ind); } private function f_mme_create_and_delete() runs on MME_ConnHdlr { f_sbcap_handle_write_replace_warn_req(g_pars.exp_cbs_msg, 0); if (ispresent(g_pars.write_replace_warning_ind_cause) and ispresent(g_pars.bcast_cell_id_list)) { f_sbcap_tx_write_replace_warn_ind(0, g_pars.exp_cbs_msg, g_pars.write_replace_warning_ind_cause, g_pars.bcast_cell_id_list) } f_sbcap_handle_stop_warn_req(0, g_pars.exp_cbs_msg); } function f_create_and_delete(CBS_Message msg) runs on test_CT { var EcbeCbcMessage ecbe := f_cbs2ecbe(msg, "TTCN-3"); f_ecbe_tx_post_cbs(ecbe); f_ecbe_rx_resp(201); f_sleep(2.0); f_ecbe_tx_delete_cbs(msg.msg_id); f_ecbe_rx_resp(200); } private template (value) CBS_Message t_CBSmsg(uint16_t msg_id, uint16_t ser_nr) := { msg_id := msg_id, ser_nr := ser_nr, old_ser_nr := omit, cell_list := cil_BSS, channel_ind := 0, category := CBSP_CATEG_NORMAL, rep_period := 5, num_bcast_req := 3, dcs := 1, content := { { '00'O, 1 } } }; /* specify a variety of different Cell Identifier formats to extend test coverage */ testcase TC_ecbe_create_delete_cgi() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(43, 16752); cell_list_success := ts_BSSMAP_CIL_CGI({ ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 43) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } testcase TC_ecbe_create_delete_lac_ci() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(44, 16752); cell_list_success := ts_BSSMAP_CIL_LAC_CI({ ts_BSSMAP_CI_LAC_CI(10001, 50001), ts_BSSMAP_CI_LAC_CI(10002, 50002), ts_BSSMAP_CI_LAC_CI(10003, 50003) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } testcase TC_ecbe_create_delete_lac() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(45, 16752); cell_list_success := ts_BSSMAP_CIL_LAC({ ts_BSSMAP_CI_LAC(10001), ts_BSSMAP_CI_LAC(10002), ts_BSSMAP_CI_LAC(10003) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } testcase TC_ecbe_create_delete_ci() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(46, 16752); cell_list_success := ts_BSSMAP_CIL_CI({ ts_BSSMAP_CI_CI(50001), ts_BSSMAP_CI_CI(50002), ts_BSSMAP_CI_CI(50003) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } testcase TC_ecbe_create_delete_lai() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(47, 16752); cell_list_success := ts_BSSMAP_CIL_LAI({ ts_BSSMAP_CI_LAI('901'H, '70'H, 25), ts_BSSMAP_CI_LAI('901'H, '70'H, 26), ts_BSSMAP_CI_LAI('901'H, '70'H, 27) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Create and delete message with MME available. MME reports * Write-Replace-Warning-Indication and Stop-Warning-Indication to CBC */ testcase TC_ecbe_create_delete_mme_indication() runs on test_CT { var template (value) CellId_Broadcast_List bcast_cell_id_li; var template (value) CBS_Message msg := t_CBSmsg(48, 16752); f_init(num_bsc := 0, num_mme := 1); bcast_cell_id_li := { ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234)), ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 5678)) }; g_pars_MME[0].start_fn := refers(f_mme_create_and_delete); g_pars_MME[0].exp_cbs_msg := valueof(msg); g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted; g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Create and delete message with MME available. MME reports * Write-Replace-Response with Unknown TAI IE. */ testcase TC_ecbe_create_delete_mme_unknown_tai() runs on test_CT { var template (value) List_of_TAIs write_repl_unknown_TAIs; var template (value) CBS_Message msg := t_CBSmsg(48, 16752); f_init(num_bsc := 0, num_mme := 1); write_repl_unknown_TAIs := {{ts_SBCAP_TAI(f_enc_mcc_mnc('901'H, '70'H), 1234)}}; g_pars_MME[0].start_fn := refers(f_mme_create_and_delete); g_pars_MME[0].exp_cbs_msg := valueof(msg); g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted; g_pars_MME[0].write_repl_unknown_TAIs := valueof(write_repl_unknown_TAIs); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Create and delete message with both BSC and MME available */ testcase TC_ecbe_create_delete_bsc_and_mme() runs on test_CT { f_init(num_bsc := 1, num_mme := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CellId_Broadcast_List bcast_cell_id_li; var template (value) CBS_Message msg := t_CBSmsg(43, 16752); cell_list_success := ts_BSSMAP_CIL_CGI({ ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 43) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); bcast_cell_id_li := { ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234)) }; g_pars_MME[0].start_fn := refers(f_mme_create_and_delete); g_pars_MME[0].exp_cbs_msg := valueof(msg); g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted; g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Create and delete message with BSC acting as TCP server */ testcase TC_ecbe_create_delete_bsc_server() runs on test_CT { var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(46, 16752); /* The 2nd BSC is the one configured as server, but we only want to test * that one, so initialize both but copy over config of the 2nd one to * the first one, to start only one BSC: */ f_init(num_bsc := 2); g_num_bsc := 1; g_pars_BSC[0] := g_pars_BSC[1]; cell_list_success := ts_BSSMAP_CIL_CI({ ts_BSSMAP_CI_CI(50001), ts_BSSMAP_CI_CI(50002), ts_BSSMAP_CI_CI(50003) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Create and delete message with MME acting as SCTP server */ testcase TC_ecbe_create_delete_mme_server() runs on test_CT { var template (value) CellId_Broadcast_List bcast_cell_id_li; var template (value) CBS_Message msg := t_CBSmsg(48, 16752); /* The 2nd MME is the one configured as server, but we only want to test * that one, so initialize both but copy over config of the 2nd one to * the first one, to start only one MME: */ f_init(num_bsc := 0, num_mme := 2); g_num_mme := 1; g_pars_MME[0] := g_pars_MME[1]; bcast_cell_id_li := { ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234)), ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 5678)) }; g_pars_MME[0].start_fn := refers(f_mme_create_and_delete); g_pars_MME[0].exp_cbs_msg := valueof(msg); g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted; g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Create 2 concurrent messages against an MME, then delete them */ private function f_mme_TC_concurrent_cbs_msg_mme() runs on MME_ConnHdlr { var CBS_Message msg[2]; msg[0] := g_pars.exp_cbs_msg; msg[1] := msg[0]; msg[1].msg_id := msg[0].msg_id + 1; for (var integer i := 0; i < lengthof(msg); i := i + 1) { f_sbcap_handle_write_replace_warn_req(msg[i], 0); if (ispresent(g_pars.write_replace_warning_ind_cause) and ispresent(g_pars.bcast_cell_id_list)) { f_sbcap_tx_write_replace_warn_ind(0, msg[i], g_pars.write_replace_warning_ind_cause, g_pars.bcast_cell_id_list) } } /* Now handle Stop: */ for (var integer i := 0; i < lengthof(msg); i := i + 1) { f_sbcap_handle_stop_warn_req(0, msg[i]); } } testcase TC_concurrent_cbs_msg_mme() runs on test_CT { var template (value) CellId_Broadcast_List bcast_cell_id_li; var CBS_Message msg[2]; var EcbeCbcMessage ecbe; msg[0] := valueof(t_CBSmsg(49, 16752)); msg[1] := msg[0]; msg[1].msg_id := msg[0].msg_id + 1; f_init(num_bsc := 0, num_mme := 1); bcast_cell_id_li := { ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234)) }; g_pars_MME[0].start_fn := refers(f_mme_TC_concurrent_cbs_msg_mme); g_pars_MME[0].exp_cbs_msg := msg[0]; g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted; g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li); f_start(); for (var integer i := 0; i < lengthof(msg); i := i + 1) { ecbe := f_cbs2ecbe(msg[i], "TTCN-3"); f_ecbe_tx_post_cbs(ecbe); f_ecbe_rx_resp(201); } f_sleep(2.0); for (var integer i := 0; i < lengthof(msg); i := i + 1) { f_ecbe_tx_delete_cbs(msg[i].msg_id); f_ecbe_rx_resp(200); } f_shutdown_helper(); } /* Test ETWS message over CBSP. TS 23.041 9.4.1.2.2 */ testcase TC_ecbe_create_delete_etws_bsc() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(4352 /* Earthquake */, 16752); msg.channel_ind := omit; cell_list_success := ts_BSSMAP_CIL_CGI({ ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 42) }); g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Test ETWS message over SBc-AP. TS 23.041 9.4.1.2.2 */ testcase TC_ecbe_create_delete_etws_mme() runs on test_CT { f_init(num_mme := 1); var template (value) CBS_Message msg := t_CBSmsg(4352 /* Earthquake */, 16753); msg.channel_ind := omit; g_pars_MME[0].start_fn := refers(f_mme_create_and_delete); g_pars_MME[0].exp_cbs_msg := valueof(msg); f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Test BSC answering WRITE-REPLACE REQUEST with WRITE-REPLACE FAILURE */ private function f_bsc_TC_create_nack_bsc() runs on BSC_ConnHdlr { f_cbsp_handle_write(g_pars.exp_cbs_msg, 0, g_pars.cell_list_success, g_pars.tx_fail_list); } testcase TC_create_nack_bsc() runs on test_CT { var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBSP_FailureListItems tx_fail_list; var CBS_Message msg; var EcbeCbcMessage ecbe; msg := valueof(t_CBSmsg(49, 16752)); f_init(num_bsc := 1, num_mme := 0); cell_list_success := ts_BSSMAP_CIL_CGI({ ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 42) }); tx_fail_list := { CBSP_FailureListItem_CGI(ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 48), CBSP_CAUSE_CELL_ID_NOT_VALID), CBSP_FailureListItem_LAC_CI(ts_BSSMAP_CI_LAC_CI(10001, 50001), CBSP_CAUSE_LAI_OR_LAC_NPT_VALID) }; g_pars_BSC[0].start_fn := refers(f_bsc_TC_create_nack_bsc); g_pars_BSC[0].exp_cbs_msg := msg; g_pars_BSC[0].cell_list_success := valueof(cell_list_success); g_pars_BSC[0].tx_fail_list := valueof(tx_fail_list); f_start(); ecbe := f_cbs2ecbe(msg, "TTCN-3"); f_ecbe_tx_post_cbs(ecbe); f_ecbe_rx_resp(201); f_shutdown_helper(); } /* Test MME answering Write-Replace Warning Request with Write-Replace Warning Response cause != accepted */ private function f_mme_TC_create_nack_mme() runs on MME_ConnHdlr { f_sbcap_handle_write_replace_warn_req(g_pars.exp_cbs_msg, 0); } testcase TC_create_nack_mme() runs on test_CT { var template (value) CBS_Message msg := t_CBSmsg(48, 16752); f_init(num_bsc := 0, num_mme := 1); g_pars_MME[0].start_fn := refers(f_mme_TC_create_nack_mme); g_pars_MME[0].exp_cbs_msg := valueof(msg); g_pars_MME[0].write_replace_warning_req_cause := SBcAP_Cause_unspecifed_error; f_start(); f_create_and_delete(valueof(msg)); f_shutdown_helper(); } /* Test cell in BSC going unavailable for broadcasting and going available again */ private function f_bsc_TC_cell_failure_restart_idle_bsc() runs on BSC_ConnHdlr { var template (value) CBSP_FailureListItems fail_list := { CBSP_FailureListItem_CGI(ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42), CBSP_CAUSE_CB_NOT_OPERATIONAL), CBSP_FailureListItem_CGI(ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 42), CBSP_CAUSE_CB_NOT_OPERATIONAL) }; f_cbsp_send(ts_CBSP_FAILURE(fail_list, CBSP_BC_MSGT_CBS)); f_cbsp_send(ts_CBSP_FAILURE(fail_list, CBSP_BC_MSGT_EMERG)); f_sleep(1.0); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list; cell_list := ts_BSSMAP_CIL_CGI({ ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42), ts_BSSMAP_CI_CGI('901'H, '70'H, 24, 42) }); f_cbsp_send(ts_CBSP_RESTART(cell_list, CBSP_BC_MSGT_CBS, CBSP_RI_DATA_LOST)); f_cbsp_send(ts_CBSP_RESTART(cell_list, CBSP_BC_MSGT_EMERG, CBSP_RI_DATA_LOST)); } testcase TC_cell_failure_restart_idle_bsc() runs on test_CT { f_init(num_bsc := 1, num_mme := 0); g_pars_BSC[0].start_fn := refers(f_bsc_TC_cell_failure_restart_idle_bsc); f_start(); f_shutdown_helper(); } /* Test cell in MME going unavailable for broadcasting and going available again */ private function f_mme_TC_cell_failure_restart_idle_mme() runs on MME_ConnHdlr { var template (value) Global_ENB_ID enb_id := ts_Global_ENB_ID_MACRO(f_enc_mcc_mnc('901'H, '70'H), 90); var template (value) Failed_Cell_List fail_list := { ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234), ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 5678) }; f_SBC_AP_send(ts_SBCAP_PWS_FAILURE(fail_list, enb_id)); f_sleep(1.0); var template (value) Restarted_Cell_List cell_list; cell_list := { ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234), ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 5678) }; f_SBC_AP_send(ts_SBCAP_PWS_RESTART(cell_list, enb_id)); } testcase TC_cell_failure_restart_idle_mme() runs on test_CT { f_init(num_bsc := 0, num_mme := 1); g_pars_MME[0].start_fn := refers(f_mme_TC_cell_failure_restart_idle_mme); f_start(); f_shutdown_helper(); } /* Test cell actively broadcasting a message in BSC going unavailable for broadcasting and going available again. The CBC should reload the announced cell with the active messages. See 3GPP TS 48.049 7.8 */ private function f_bsc_TC_cell_failure_restart_active_bsc() runs on BSC_ConnHdlr { var template (value) CBSP_FailureListItems fail_list := { CBSP_FailureListItem_CGI(g_pars.cell_list_success.cIl_CGI[0], CBSP_CAUSE_CB_NOT_OPERATIONAL) }; var template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_CGI({ g_pars.cell_list_success.cIl_CGI[0] }); /* Guide cell into active broadcast msg state: */ f_cbsp_handle_write(g_pars.exp_cbs_msg, 0, g_pars.cell_list_success); /* BSC reports the cell is down */ f_cbsp_send(ts_CBSP_FAILURE(fail_list, CBSP_BC_MSGT_CBS)); f_cbsp_send(ts_CBSP_FAILURE(fail_list, CBSP_BC_MSGT_EMERG)); f_sleep(1.0); /* BSC reports the cell is up again */ f_cbsp_send(ts_CBSP_RESTART(cell_list, CBSP_BC_MSGT_CBS, CBSP_RI_DATA_LOST)); f_cbsp_send(ts_CBSP_RESTART(cell_list, CBSP_BC_MSGT_EMERG, CBSP_RI_DATA_LOST)); /* TODO: OS#5641 * The BSC informs the CBC by sending the RESTART message (see figure 7.8.2.1) * containing the Cell List IE identifying the cell(s) being in CBS message * operational state or in emergency message operational state and the Recovery * Indication IE, indicating whether the broadcast information data is lost or * not in the BSC. * The RESTART message is sent once per broadcast message type * as indicated by the Broadcast Message Type IE. */ f_bsc_create_and_delete(); } testcase TC_cell_failure_restart_active_bsc() runs on test_CT { f_init(num_bsc := 1); var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success; var template (value) CBS_Message msg := t_CBSmsg(43, 16752); cell_list_success := ts_BSSMAP_CIL_CGI({ ts_BSSMAP_CI_CGI('901'H, '70'H, 23, 42) }); g_pars_BSC[0].start_fn := refers(f_bsc_TC_cell_failure_restart_active_bsc); g_pars_BSC[0].exp_cbs_msg := valueof(msg); g_pars_BSC[0].cell_list_success := valueof(cell_list_success); f_start(); var EcbeCbcMessage ecbe := f_cbs2ecbe(valueof(msg), "TTCN-3"); f_ecbe_tx_post_cbs(ecbe); f_ecbe_rx_resp(201); f_shutdown_helper(); } /* Test cell actively broadcasting a message in MME going unavailable for broadcasting and going available again. The CBC should reload the announced cell with the active messages. See 3GPP TS 29.168 4.3.3E.2 */ private function f_mme_TC_cell_failure_restart_active_mme() runs on MME_ConnHdlr { var template (value) Global_ENB_ID enb_id := ts_Global_ENB_ID_MACRO(f_enc_mcc_mnc('901'H, '70'H), 90); var template (value) Failed_Cell_List fail_list := { g_pars.bcast_cell_id_list[0].eCGI } var template (value) Restarted_Cell_List cell_list := { g_pars.bcast_cell_id_list[0].eCGI }; /* Guide cell into active broadcast msg state: */ f_sbcap_handle_write_replace_warn_req(g_pars.exp_cbs_msg, 0); if (ispresent(g_pars.write_replace_warning_ind_cause) and ispresent(g_pars.bcast_cell_id_list)) { f_sbcap_tx_write_replace_warn_ind(0, g_pars.exp_cbs_msg, g_pars.write_replace_warning_ind_cause, g_pars.bcast_cell_id_list) } /* MME reports the cell is down */ f_SBC_AP_send(ts_SBCAP_PWS_FAILURE(fail_list, enb_id)); f_sleep(1.0); /* MME reports the cell is up again */ f_SBC_AP_send(ts_SBCAP_PWS_RESTART(cell_list, enb_id)); /* TODO: OS#5641 * The CBC shall reload the warning message data (with the same Message * Identifier and Serial Number) to the (H)eNB by initiating Write Replace * Warning procedure(s) as specified in clause 4.3.3.2 with the following * additions: * - the CBC should set the Warning Area List IE in the Write-Replace * Warning Request message to the identities of the cell(s) received in the * Restarted-Cell-List which are relevant to the warning message data being * reloaded; * - the CBC shall copy the Global eNB ID into the Write-Replace * Warning Request message; and * - the CBC may update the Number of Broadcast Requested, if necessary. */ f_mme_create_and_delete(); } testcase TC_cell_failure_restart_active_mme() runs on test_CT { var template (value) CellId_Broadcast_List bcast_cell_id_li; var template (value) CBS_Message msg := t_CBSmsg(48, 16752); f_init(num_bsc := 0, num_mme := 1); bcast_cell_id_li := { ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234)) }; g_pars_MME[0].start_fn := refers(f_mme_TC_cell_failure_restart_active_mme); g_pars_MME[0].exp_cbs_msg := valueof(msg); g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted; g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li); f_start(); var EcbeCbcMessage ecbe := f_cbs2ecbe(valueof(msg), "TTCN-3"); f_ecbe_tx_post_cbs(ecbe); f_ecbe_rx_resp(201); f_shutdown_helper(); } control { execute( TC_rx_keepalive() ); execute( TC_rx_keepalive_timeout() ); execute( TC_ecbe_create_delete_cgi() ); execute( TC_ecbe_create_delete_lac_ci() ); execute( TC_ecbe_create_delete_lac() ); execute( TC_ecbe_create_delete_ci() ); execute( TC_ecbe_create_delete_lai() ); execute( TC_ecbe_create_delete_mme_indication() ); execute( TC_ecbe_create_delete_mme_unknown_tai() ); execute( TC_ecbe_create_delete_bsc_and_mme() ); execute( TC_ecbe_create_delete_bsc_server() ); execute( TC_ecbe_create_delete_mme_server() ); execute( TC_concurrent_cbs_msg_mme() ); execute( TC_ecbe_create_delete_etws_bsc() ); execute( TC_ecbe_create_delete_etws_mme() ); execute( TC_create_nack_bsc() ); execute( TC_create_nack_mme() ); execute( TC_cell_failure_restart_idle_bsc() ); execute( TC_cell_failure_restart_idle_mme() ); execute( TC_cell_failure_restart_active_bsc() ); execute( TC_cell_failure_restart_active_mme() ); } }