diff options
Diffstat (limited to 'cbc/CBC_Tests.ttcn')
| -rw-r--r-- | cbc/CBC_Tests.ttcn | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/cbc/CBC_Tests.ttcn b/cbc/CBC_Tests.ttcn new file mode 100644 index 00000000..36fa55cd --- /dev/null +++ b/cbc/CBC_Tests.ttcn @@ -0,0 +1,467 @@ +module CBC_Tests { + +import from Osmocom_Types 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 Socket_API_Definitions all; + +import from HTTP_Adapter all; +import from HTTPmsg_Types all; +import from ECBE_Types all; + +modulepar { + charstring mp_cbc_host := "127.0.0.1"; + integer mp_cbc_port := 48049; + integer mp_ecbe_port := 12345; +}; + +type component test_CT extends CBSP_Adapter_CT, http_CT { +}; + +/********************************************************************************* + * ECBE (REST) interface + *********************************************************************************/ + +function f_ecbe_tx_post_cbs(EcbeCbcMessage cbc) +runs on http_CT { + var charstring body := oct2char(enc_EcbeCbcMessage(cbc)); + log("TX POST CBS: ", body); + var HTTPMessage http_resp; + f_http_tx_request(url := "/api/ecbe/v1/message", method := "POST", body := body); +} + +function f_ecbe_rx_resp(template integer exp_sts := (200..299)) +runs on http_CT return HTTPResponse { + var HTTPMessage http_resp := f_http_rx_response(tr_HTTP_Resp(exp_sts), tout := 20.0); + return http_resp.response; +} + +/* run a HTTP POST to add a new CBC message */ +function f_ecbe_post_cbs(EcbeCbcMessage cbc, template integer exp_sts := 201) +runs on http_CT return HTTPResponse { + f_ecbe_tx_post_cbs(cbc); + return f_ecbe_rx_resp(exp_sts) +} + +function f_ecbe_tx_delete_cbs(integer msg_id) +runs on http_CT { + f_http_tx_request("/api/ecbe/v1/message/" & int2str(msg_id), method := "DELETE"); +} + +/* run a HTTP GET on specified URL expecting json in RSRES format as response */ +function f_ecbe_delete_cbs(integer msg_id, template integer exp_sts := 200) +runs on http_CT return HTTPResponse { + f_ecbe_tx_delete_cbs(msg_id); + return f_ecbe_rx_resp(exp_sts); +} + + +altstep as_cbsp_reset(integer idx) runs on CBSP_Adapter_CT { + var CBSP_RecvFrom rf; + [] CBSP[idx].receive(tr_CBSP_Recv(g_cbsp_conn_id[idx], tr_CBSP_RESET)) -> value rf { + var CBSP_IE ie; + f_cbsp_find_ie(rf.msg, CBSP_IEI_CELL_LIST, ie); + CBSP[idx].send(ts_CBSP_Send(g_cbsp_conn_id[idx], + ts_CBSP_RESET_COMPL(ie.body.cell_list.cell_id))); + } +} + +private function f_cbs2ecbe_category(CBSP_Category cat_in) return EcbeCategory +{ + select (cat_in) { + case (CBSP_CATEG_HIGH_PRIO) { return high_priority; } + case (CBSP_CATEG_BACKGROUND) { return background; } + case (CBSP_CATEG_NORMAL) { return normal; } + case else { mtc.stop } + } +} + +private function f_cbs2ecbe_page(CBS_MessageContent inp) return EcbePage +{ + return hex2str(oct2hex(inp.payload)); +} + +/* convert from CBS_Message to EcbeCbcMessage */ +function f_cbs2ecbe(CBS_Message inp, charstring cbe_name) return EcbeCbcMessage +{ + var EcbeCbcMessage ret := { + cbe_name := cbe_name, + category := f_cbs2ecbe_category(inp.category), + repetition_period := inp.rep_period, + num_of_bcast := inp.num_bcast_req, + scope := { scope_plmn := {} }, + smscb_message := { + serial_nr := { + serial_nr_encoded := inp.ser_nr + }, + message_id := inp.msg_id, + payload := { + payload_encoded := { + dcs := inp.dcs, + pages := { } /* appended below */ + } + } + } + }; + for (var integer i := 0; i < lengthof(inp.content); i := i+1) { + ret.smscb_message.payload.payload_encoded.pages := + ret.smscb_message.payload.payload_encoded.pages & { f_cbs2ecbe_page(inp.content[i]) }; + } + return ret; +} + +/********************************************************************************* + * CBSP interface + *********************************************************************************/ + +/* receive + acknowledge KEEP-ALIVE */ +altstep as_cbsp_keepalive_ack(integer idx) runs on CBSP_Adapter_CT { + [] CBSP[idx].receive(tr_CBSP_Recv(g_cbsp_conn_id[idx], tr_CBSP_KEEP_ALIVE)) { + CBSP[idx].send(ts_CBSP_Send(g_cbsp_conn_id[idx], ts_CBSP_KEEP_ALIVE_COMPL)); + } +} + +/* receive + ignore RESTART */ +altstep as_cbsp_restart(integer idx) runs on CBSP_Adapter_CT { + [] CBSP[idx].receive(tr_CBSP_Recv(g_cbsp_conn_id[idx], tr_CBSP_RESTART)); +} + +private function f_init(boolean raw := false) runs on test_CT { + f_http_init(mp_cbc_host, mp_ecbe_port); + CBSP_Adapter.f_connect(mp_cbc_host, mp_cbc_port, "", -1); + + if (not raw) { + var BSSMAP_FIELD_CellIdentificationList cell_list := { + cIl_allInBSS := ''O + }; + activate(as_cbsp_keepalive_ack(0)); + activate(as_cbsp_restart(0)); + 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)); + as_cbsp_reset(0); + } +} + +/* test whether or not we receive a valid KEEP-ALIVE from the CBC */ +testcase TC_rx_keepalive() runs on test_CT { + var CBSP_PDU rx; + var CBSP_IE ie; + + f_init(); + rx := f_cbsp_exp(tr_CBSP_KEEP_ALIVE(?)); + f_cbsp_find_ie(rx, CBSP_IEI_KEEP_ALIVE_REP_PERIOD, ie); + + setverdict(pass); +} + +/* test whether CBC terminates connection if KEEP-ALIVE is not answered by BSC */ +testcase TC_rx_keepalive_timeout() runs on test_CT { + var CBSP_PDU rx; + var CBSP_IE ie; + var integer ka_rep_per_s; + + f_init(); + 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:=?}) + + setverdict(pass); +} + +type record CBS_Message { + uint16_t msg_id, + uint16_t ser_nr, + uint16_t old_ser_nr optional, + BSSMAP_FIELD_CellIdentificationList cell_list, + uint8_t channel_ind, + CBSP_Category category, + uint16_t rep_period, + uint16_t num_bcast_req, + uint8_t dcs, + CBS_MessageContents content +}; +type record CBS_MessageContent { + octetstring payload, + uint8_t user_len +}; +type record of CBS_MessageContent CBS_MessageContents; + +/* handle a CBSP-WRITE-REPLACE and respond to it with COMPLETE or FAILURE depending on arguments */ +private function f_cbsp_write(CBS_Message msg, integer idx := 0, + template (omit) BSSMAP_FIELD_CellIdentificationList tx_cell_list := omit, + template (omit) CBSP_FailureListItems tx_fail_list := omit, + template (omit) CBSP_IE_NumBcastComplList tx_compl_list := omit) +runs on test_CT { + var template CBSP_IEs content_ies := {}; + var template (present) CBSP_PDU rx_templ; + var CBSP_RecvFrom rf; + for (var integer i := 0; i < lengthof(msg.content); i := i+1) { + //content_ies[i] := tr_CbspMsgContent(msg.content[i].payload, msg.content[i].user_len); + content_ies[i] := tr_CbspMsgContent(?, ?); + } + rx_templ := tr_CBSP_WRITE_CBS(msg.msg_id, msg.ser_nr, msg.cell_list, msg.channel_ind, + msg.category, msg.rep_period, msg.num_bcast_req, msg.dcs, + content_ies); + alt { + [] CBSP[idx].receive(tr_CBSP_Recv(g_cbsp_conn_id[idx], rx_templ)) -> value rf { + var template (value) CBSP_PDU tx; + if (istemplatekind(tx_fail_list, "omit")) { + var template (value) BSSMAP_FIELD_CellIdentificationList tx_list; + if (istemplatekind(tx_cell_list, "omit")) { + /* use the "expected list" when confirming the write-replace */ + tx_list := msg.cell_list; + } else { + /* use an user-provided different list of cells */ + tx_list := valueof(tx_cell_list); + } + if (istemplatekind(tx_compl_list, "omit")) { + tx := ts_CBSP_WRITE_CBS_COMPL(msg.msg_id, msg.ser_nr, tx_list, msg.channel_ind); + } else { + tx := ts_CBSP_REPLACE_CBS_COMPL(msg.msg_id, msg.ser_nr, msg.old_ser_nr, + valueof(tx_compl_list), tx_list, + msg.channel_ind); + } + } else { + tx := ts_CBSP_WRITE_CBS_FAIL(msg.msg_id, msg.ser_nr, valueof(tx_fail_list), + omit, tx_cell_list, msg.channel_ind); + } + CBSP[idx].send(ts_CBSP_Send(g_cbsp_conn_id[idx], tx)); + } + [] as_cbsp_keepalive_ack(idx) { repeat; } + [] CBSP[idx].receive { + setverdict(fail, "Received unexpected CBSP in index ", idx); + } + } +} + +/* handle a CBSP-KILL and respond to it with COMPLETE or FAILURE depending on arguments */ +private function f_cbsp_handle_kill(integer idx, uint16_t msg_id, uint16_t ser_nr, + template BSSMAP_FIELD_CellIdentificationList exp_list, + template (omit) BSSMAP_FIELD_CellIdentificationList tx_list, + template (omit) CBSP_FailureListItems tx_fail_list := omit, + template (omit) CBSP_IE_NumBcastComplList tx_compl_list := omit, + template (omit) uint8_t channel_ind := omit) +runs on test_CT { + var template (present) CBSP_PDU rx_templ; + var CBSP_RecvFrom rf; + + rx_templ := tr_CBSP_KILL(msg_id, ser_nr, exp_list, channel_ind); + alt { + [] CBSP[idx].receive(tr_CBSP_Recv(g_cbsp_conn_id[idx], rx_templ)) -> value rf { + var template (value) CBSP_PDU tx; + if (istemplatekind(tx_fail_list, "omit")) { + tx := ts_CBSP_KILL_COMPL(msg_id, ser_nr, tx_compl_list, tx_list, channel_ind); + } else { + tx := ts_CBSP_KILL_FAIL(msg_id, ser_nr, valueof(tx_fail_list), tx_compl_list, + tx_list, channel_ind); + } + CBSP[idx].send(ts_CBSP_Send(g_cbsp_conn_id[idx], tx)); + } + [] as_cbsp_keepalive_ack(idx) { repeat; } + [] CBSP[idx].receive { + setverdict(fail, "Received unexpected CBSP in index ", idx); + } + } +} + +private const BSSMAP_FIELD_CellIdentificationList cil_BSS := { + cIl_allInBSS := ''O +}; + +testcase TC_write_replace() runs on test_CT { + f_init(); + 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_cbsp_write(msg); + f_sleep(100.0); +} + +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)); +} + +import from SABP_Types all; +import from SABP_Templates all; +import from SABP_IEs all; +import from SABP_PDU_Descriptions all; + +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))); +} + +/********************************************************************************* + * ECBE interface (verifying expected procedures on CBSP) + *********************************************************************************/ + +function f_create_and_delete(CBS_Message msg, + template (omit) BSSMAP_FIELD_CellIdentificationList cell_list_success) +runs on test_CT { + var EcbeCbcMessage ecbe := f_cbs2ecbe(msg, "TTCN-3"); + f_ecbe_tx_post_cbs(ecbe); + f_cbsp_write(msg, 0, cell_list_success); + f_ecbe_rx_resp(201); + + f_sleep(2.0); + + f_ecbe_tx_delete_cbs(msg.msg_id); + /* FIXME: cbc segfaults if we terminate here (if we don't wait for Connect_result? */ + f_cbsp_handle_kill(0, msg.msg_id, msg.ser_nr, cell_list_success, cell_list_success); + 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(); + 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) + }); + f_create_and_delete(valueof(msg), cell_list_success); +} +testcase TC_ecbe_create_delete_lac_ci() runs on test_CT { + f_init(); + 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) + }); + f_create_and_delete(valueof(msg), cell_list_success); +} +testcase TC_ecbe_create_delete_lac() runs on test_CT { + f_init(); + 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) + }); + f_create_and_delete(valueof(msg), cell_list_success); +} +testcase TC_ecbe_create_delete_ci() runs on test_CT { + f_init(); + 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) + }); + f_create_and_delete(valueof(msg), cell_list_success); +} +testcase TC_ecbe_create_delete_lai() runs on test_CT { + f_init(); + 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) + }); + f_create_and_delete(valueof(msg), cell_list_success); +} + +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() ); +} + +} |