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Diffstat (limited to 'hnodeb/HNB_Tests.ttcn')
| -rw-r--r-- | hnodeb/HNB_Tests.ttcn | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/hnodeb/HNB_Tests.ttcn b/hnodeb/HNB_Tests.ttcn new file mode 100644 index 00000000..29f0bbb6 --- /dev/null +++ b/hnodeb/HNB_Tests.ttcn @@ -0,0 +1,470 @@ +module HNB_Tests { + +/* Integration Tests for OsmoHNodeB + * (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> + * 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 OsmoHNodB while emulating both multiple UE as + * well as the HNBGW. 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 Misc_Helpers all; +import from General_Types all; +import from Osmocom_Types all; +import from IPL4asp_Types all; +import from Native_Functions 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 HNBAP_Templates all; +import from RUA_IEs all; +import from RUA_Templates all; + +import from HNBGW_ConnectionHandler all; +import from Iuh_Emulation all; + +import from RTP_Types all; +import from RTP_Emulation all; + +import from HNBLLIF_CodecPort all; +import from HNBLLIF_Types all; +import from HNBLLIF_Templates all; + +import from GTPU_Types all; +import from GTPv1U_Templates all; +import from GTP_Emulation all; + +import from IuUP_Types all; + +modulepar { + /* IP address at which the HNodeB can be reached */ + charstring mp_hnodeb_ip := "127.0.0.1"; + + /* IP address at which the test binds */ + charstring mp_hnbgw_iuh_ip := "127.0.0.1"; + integer mp_hnbgw_iuh_port := 29169; + + charstring mp_hnbllif_sk_path := HNBLL_SOCK_DEFAULT; +} + +const hexstring ranap_cm_service_req := '001340400000060003400100000f40060000f11028b6003a40080000f110ffffffff0010400e0d052411035758a605f44e9d4aef004f400300001c0056400500f1100017'H; +const hexstring ranap_auth_req := '00144032000002001040262505120217dc146aeac56cb5ff6d5fb51f47f19220108ca5a6d0c8110000b9e9272498872764003b400100'H; +const hexstring ranap_auth_resp := '001440140000010010400d0c0554ccbdd0302104002f3ae4'H; +const hexstring ranap_paging := '000e401e0000030003400100001740095000010100000000f10040400500b6cf4773'H; +const hexstring ranap_rab_ass_req := '0000005900000100364052000001003500487824cd80102fa7201a2c0000f44c080a028000514000272028140067400000222814003c40000000503d02000227c03500010a0901a200000000000000000000000000401f4a0000400100'H; +const hexstring iu_release_compl := '20010003000000'H; + +type component test_CT extends CTRL_Adapter_CT { + port TELNETasp_PT HNBVTY; + + /* HNBLLIF Interface of HNodeB */ + port HNBLLIF_CODEC_PT LLSK; + var integer g_llsk_conn_id; + + /* global test case guard timer (actual timeout value is set in f_init()) */ + timer T_guard := 30.0; +} + +/* global altstep for global guard timer; */ +altstep as_Tguard() runs on test_CT { + [] T_guard.timeout { + setverdict(fail, "Timeout of T_guard"); + mtc.stop; + } +} + +function f_init_vty(charstring id := "foo") runs on test_CT { + if (HNBVTY.checkstate("Mapped")) { + /* skip initialization if already executed once */ + return; + } + map(self:HNBVTY, system:HNBVTY); + f_vty_set_prompts(HNBVTY); + f_vty_transceive(HNBVTY, "enable"); +} + +private function f_init_hnbllif(TestHdlrParams pars) runs on test_CT { + map(self:LLSK, system:LLSK); + f_start_hnbllif(LLSK, testcasename(), pars, g_llsk_conn_id); +} + +/* global initialization function */ +function f_init(float guard_timeout := 30.0) runs on test_CT { + var integer bssap_idx; + + T_guard.start(guard_timeout); + activate(as_Tguard()); + + f_init_vty("VirtHNBGW"); +} + +friend function f_shutdown_helper() runs on test_CT { + all component.stop; + setverdict(pass); + mtc.stop; +} + +private function f_gen_test_hdlr_pars() runs on test_CT return TestHdlrParams { + + var TestHdlrParams pars := valueof(t_def_TestHdlrPars); + pars.hnbllif_sk_path := mp_hnbllif_sk_path; + pars.hnodeb_addr := mp_hnodeb_ip; + pars.hnbgw_addr := mp_hnbgw_iuh_ip; + pars.hnbgw_port := mp_hnbgw_iuh_port; + return pars; +} + +type function void_fn(charstring id) runs on HNBGW_ConnHdlr; + +/* helper function to create and connect a HNBGW_ConnHdlr component */ +private function f_connect_handler(inout HNBGW_ConnHdlr vc_conn, TestHdlrParams pars) runs on test_CT { + if (pars.hnbllif_sk_path != "") { + map(vc_conn:LLSK, system:LLSK); + } +} + +function f_start_handler_create(TestHdlrParams pars) +runs on test_CT return HNBGW_ConnHdlr { + var charstring id := testcasename(); + var HNBGW_ConnHdlr vc_conn; + vc_conn := HNBGW_ConnHdlr.create(id) alive; + f_connect_handler(vc_conn, pars); + return vc_conn; +} + +function f_start_handler_run(HNBGW_ConnHdlr vc_conn, void_fn fn, TestHdlrParams pars) +runs on test_CT return HNBGW_ConnHdlr { + var charstring id := testcasename(); + /* Emit a marker to appear in the SUT's own logging output */ + f_logp(HNBVTY, id & "() start"); + vc_conn.start(f_handler_init(fn, id, pars)); + return vc_conn; +} + +function f_start_handler(void_fn fn, template (omit) TestHdlrParams pars_tmpl := omit) +runs on test_CT return HNBGW_ConnHdlr { + var TestHdlrParams pars; + if (istemplatekind(pars_tmpl, "omit")) { + pars := valueof(f_gen_test_hdlr_pars()); + } else { + pars := valueof(pars_tmpl); + } + return f_start_handler_run(f_start_handler_create(pars), fn, pars); +} + +/* first function inside ConnHdlr component; sets g_pars + starts function */ +private function f_handler_init(void_fn fn, charstring id, TestHdlrParams pars) +runs on HNBGW_ConnHdlr { + f_HNBGW_ConnHdlr_init(id, pars); + HNBAP.receive(IUHEM_Event:{up_down:=IUHEM_EVENT_UP}); /* Wait for HNB to connect to us */ + fn.apply(id); +} + +private function f_tc_hnb_register_request_accept(charstring id) runs on HNBGW_ConnHdlr { + f_handle_hnbap_hnb_register_req(); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONFIGURE_IND(g_pars.mcc, g_pars.mnc, g_pars.cell_identity, + g_pars.lac, g_pars.rac, g_pars.sac, g_pars.rnc_id))); + f_sleep(1.0); +} +testcase TC_hnb_register_request_accept() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + + f_init(); + vc_conn := f_start_handler(refers(f_tc_hnb_register_request_accept)); + vc_conn.done; + f_shutdown_helper(); +} + +private function f_tc_hnb_register_reject(charstring id) runs on HNBGW_ConnHdlr { + HNBAP.receive(tr_HNBAP_HNBRegisterRequest(char2oct(g_pars.hNB_Identity_Info), + f_enc_mcc_mnc(g_pars.mcc, g_pars.mnc), + int2bit(g_pars.cell_identity, 28), + int2oct(g_pars.lac, 2), + int2oct(g_pars.rac, 1), + int2oct(g_pars.sac, 2) + )); + HNBAP.send(ts_HNBAP_HNBRegisterReject(ts_HnbapCause(overload))); + f_sleep(1.0); +} +testcase TC_hnb_register_request_reject() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + + f_init(); + vc_conn := f_start_handler(refers(f_tc_hnb_register_reject)); + vc_conn.done; + f_shutdown_helper(); +} + +private function f_tc_mo_conn(charstring id) runs on HNBGW_ConnHdlr { + const integer context_id := 30; + const bitstring context_id_bstr := '000000000000000000011110'B; /* encoded context_id */ + const Establishment_Cause est_cause := normal_call; + f_handle_hnbap_hnb_register_req(); + + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONFIGURE_IND(g_pars.mcc, g_pars.mnc, g_pars.cell_identity, + g_pars.lac, g_pars.rac, g_pars.sac, g_pars.rnc_id))); + + /* Now an UE attempts CM Service Request: */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_ESTABLISH_REQ(context_id, 1, enum2int(est_cause), hex2oct(ranap_cm_service_req)))); + /* The related RUA Connect + RANAP message is received on Iuh: */ + RUA.receive(tr_RUA_Connect(ps_domain, context_id_bstr, est_cause, hex2oct(ranap_cm_service_req))); + + /* Now HNBGW answers with RUA-DirectTransfer(RANAP-AuthenticationRequest) */ + RUA.send(ts_RUA_DirectTransfer(ps_domain, context_id_bstr, hex2oct(ranap_auth_req))); + + /* Now on LLSK first the Conn establishment is confirmed and then we receive data */ + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONN_ESTABLISH_CNF(context_id, 1, 0))); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONN_DATA_IND(context_id, 1, hex2oct(ranap_auth_req)))); + + /* UE answers with RANAPAuthenticationResponse: */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_DATA_REQ(context_id, 1, hex2oct(ranap_auth_resp)))); + RUA.receive(tr_RUA_DirectTransfer(ps_domain, context_id_bstr, hex2oct(ranap_auth_resp))); + + /* UE sends Iu Release Complete to release the conn */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_RELEASE_REQ(context_id, 1, 0, 0, hex2oct(iu_release_compl)))); + RUA.receive(tr_RUA_Disconnect(ps_domain, context_id_bstr, ts_RUA_Cause(normal), hex2oct(iu_release_compl))); +} +testcase TC_mo_conn() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + + f_init(); + vc_conn := f_start_handler(refers(f_tc_mo_conn)); + vc_conn.done; + f_shutdown_helper(); +} + + +private function f_tc_paging(charstring id) runs on HNBGW_ConnHdlr { + const integer context_id := 30; + const bitstring context_id_bstr := '000000000000000000011110'B; /* encoded context_id */ + f_handle_hnbap_hnb_register_req(); + + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONFIGURE_IND(g_pars.mcc, g_pars.mnc, g_pars.cell_identity, + g_pars.lac, g_pars.rac, g_pars.sac, g_pars.rnc_id))); + + /* HNBGW sends RUA-ConnectionlessTransfer(RANAP-Paging) */ + RUA.send(ts_RUA_ConnectionlessTransfer(hex2oct(ranap_paging))); + + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_UNITDATA_IND(hex2oct(ranap_paging)))); + + /* Here it would continue with UE-side answers with RUA-Connect(RANAP-PagingResponse) */ +} +testcase TC_paging() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + + f_init(); + vc_conn := f_start_handler(refers(f_tc_paging)); + vc_conn.done; + f_shutdown_helper(); +} + +private function f_tc_cs_mo_call(charstring id) runs on HNBGW_ConnHdlr { + const integer context_id := 30; + const bitstring context_id_bstr := '000000000000000000011110'B; /* encoded context_id */ + const Establishment_Cause est_cause := normal_call; + var HNBLLIF_send_data sd; + var PDU_RTP rtp_pdu; + var octetstring rtp_payload; + var HostName hnodeb_rtp_addr; + var PortNumber hnodeb_rtp_port; + timer Tu; + var uint32_t audio_conn_id; + var IuUP_FQC fqc := IuUP_FQC_GOOD; + var template (omit) HNBLLIF_AUDIO_RFCIs rfcis_tpl := omit; + + if (g_pars.hnbllif_sapi_audio_version >= 1) { + var HNBLLIF_AUDIO_RFCIs rfcis; + /* generate some unordered RFCI list of 3 elements (the default): */ + rfcis[0] := 1; rfcis[1] := 2; rfcis[2] := 0; + for (var integer i := 3; i < HNBLLIF_MAX_RFCIS; i := i + 1) { + rfcis[i] := 0; + } + rfcis_tpl := rfcis; + } + + rtp_payload := f_rnd_octstring(6); + f_HNBGW_rtpem_activate(rtp_payload); + + f_handle_hnbap_hnb_register_req(); + + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONFIGURE_IND(g_pars.mcc, g_pars.mnc, g_pars.cell_identity, + g_pars.lac, g_pars.rac, g_pars.sac, g_pars.rnc_id))); + + /* Now an UE attempts CM Service Request: */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_ESTABLISH_REQ(context_id, 0, enum2int(est_cause), hex2oct(ranap_cm_service_req)))); + /* The related RUA Connect + RANAP message is received on Iuh: */ + RUA.receive(tr_RUA_Connect(cs_domain, context_id_bstr, est_cause, hex2oct(ranap_cm_service_req))); + + /* Now HNBGW answers with RUA-DirectTransfer(RANAP-RabASsReq) */ + RUA.send(ts_RUA_DirectTransfer(cs_domain, context_id_bstr, hex2oct(ranap_rab_ass_req))); + + /* Now on LLSK first the Conn establishment is confirmed and then we receive data */ + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONN_ESTABLISH_CNF(context_id, 0, 0))); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONN_DATA_IND(context_id, 0, hex2oct(ranap_rab_ass_req)))); + + /* Now LLSK provides the remote TransportLayerAddress from RabAssReq and asks SUT to provide a local address: */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_AUDIO_CONN_ESTABLISH_REQ(context_id, g_pars.hnbgw_rtp_port, HNBLL_IF_ADDR_TYPE_IPV4, + f_HNBLLIF_Addr(HNBLL_IF_ADDR_TYPE_IPV4, g_pars.hnbgw_addr), + rfci := rfcis_tpl))); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_AUDIO_CONN_ESTABLISH_CNF(context_id, ?, 0, ?, HNBLL_IF_ADDR_TYPE_IPV4, ?))) -> value sd; + + audio_conn_id := sd.data.u.audio.u.conn_establish.u.cnf.audio_conn_id; + hnodeb_rtp_addr := f_inet_ntoa(sd.data.u.audio.u.conn_establish.u.cnf.local_addr); + if (not match(g_pars.hnodeb_addr, hnodeb_rtp_addr)) { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "hnodeb RTP local address doesn't match expectations"); + } + hnodeb_rtp_port := sd.data.u.audio.u.conn_establish.u.cnf.local_rtp_port; + f_HNBGW_rtpem_connect(hnodeb_rtp_addr, hnodeb_rtp_port); + + /* We should eventually receive some RTP/IUUP from the HNBGW once Init phase goes on: */ + Tu.start(2.0); + alt { + [] LLSK.receive(f_llsk_rx(tr_HNBLLIF_AUDIO_CONN_DATA_IND(audio_conn_id, ?, enum2int(fqc), ?, rtp_payload))); + [] Tu.timeout { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting for Downlink speech frames"); + } + } + Tu.stop; + f_rtpem_mode(RTPEM_CTRL, RTPEM_MODE_RXONLY); + + /* Make sure that Uplink frames are received at the HNBGW */ + RTPEM_DATA.clear; + LLSK.send(f_llsk_tx(ts_HNBLLIF_AUDIO_CONN_DATA_REQ(audio_conn_id, 1, enum2int(fqc), 0, rtp_payload))); + Tu.start(2.0); + alt { + [] RTPEM_DATA.receive(PDU_RTP:?) -> value rtp_pdu { + if (rtp_pdu.data != rtp_payload) { + log("Unexpected RTP payload received!"); + repeat; + } + } + [] RTPEM_DATA.receive { repeat; } + [] Tu.timeout { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting for Uplink speech frames"); + } + } + Tu.stop; + + f_rtpem_mode(RTPEM_CTRL, RTPEM_MODE_NONE); + f_sleep(0.5); /* give some time to RTP_Emu to stop sending RTP packets... */ + + LLSK.send(f_llsk_tx(ts_HNBLLIF_AUDIO_CONN_RELEASE_REQ(audio_conn_id))); + + /* UE sends Iu Release Complete to release the conn */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_RELEASE_REQ(context_id, 0, 0, 0, hex2oct(iu_release_compl)))); + RUA.receive(tr_RUA_Disconnect(cs_domain, context_id_bstr, ts_RUA_Cause(normal), hex2oct(iu_release_compl))); +} +testcase TC_cs_mo_call() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + + f_init(); + vc_conn := f_start_handler(refers(f_tc_cs_mo_call)); + vc_conn.done; + f_shutdown_helper(); +} +/* Same as TC_cs_mo_call, but using AUDIO SAPI version 0 (no rfci param + * in HNBLLIF_AUDIO_conn_establish_req) */ +testcase TC_cs_mo_call_audio_v0() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + var TestHdlrParams pars; + + f_init(); + pars := valueof(f_gen_test_hdlr_pars()); + pars.hnbllif_sapi_audio_version := 0; + vc_conn := f_start_handler(refers(f_tc_cs_mo_call), pars); + vc_conn.done; + f_shutdown_helper(); +} + +private function f_tc_ps_mo_gtp_ping_pong(charstring id) runs on HNBGW_ConnHdlr { + const integer context_id := 30; + const bitstring context_id_bstr := '000000000000000000011110'B; /* encoded context_id */ + const Establishment_Cause est_cause := normal_call; + var uint32_t remote_tei := 8888; + var uint32_t local_tei; + var octetstring gtp_payload := f_rnd_octstring(40); + var HNBLLIF_send_data sd; + var uint32_t gtp_conn_id; + + f_gtp_register_teid(int2oct(remote_tei, 4)); + + f_handle_hnbap_hnb_register_req(); + + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONFIGURE_IND(g_pars.mcc, g_pars.mnc, g_pars.cell_identity, + g_pars.lac, g_pars.rac, g_pars.sac, g_pars.rnc_id))); + + /* Now an UE attempts CM Service Request: */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_ESTABLISH_REQ(context_id, 1, enum2int(est_cause), hex2oct(ranap_cm_service_req)))); + /* The related RUA Connect + RANAP message is received on Iuh: */ + RUA.receive(tr_RUA_Connect(ps_domain, context_id_bstr, est_cause, hex2oct(ranap_cm_service_req))); + + /* Now HNBGW answers with RUA-DirectTransfer(RANAP-RabASsReq) */ + RUA.send(ts_RUA_DirectTransfer(ps_domain, context_id_bstr, hex2oct(ranap_rab_ass_req))); + + /* Now on LLSK first the Conn establishment is confirmed and then we receive data */ + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONN_ESTABLISH_CNF(context_id, 1, 0))); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_IUH_CONN_DATA_IND(context_id, 1, hex2oct(ranap_rab_ass_req)))); + + /* Now LLSK provides the remote TransportLayerAddress from RabAssReq and asks SUT to provide a local address: */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_GTP_CONN_ESTABLISH_REQ(context_id, remote_tei, HNBLL_IF_ADDR_TYPE_IPV4, + f_HNBLLIF_Addr(HNBLL_IF_ADDR_TYPE_IPV4, g_pars.hnbgw_addr)))); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_GTP_CONN_ESTABLISH_CNF(context_id, ?, ?, 0, + HNBLL_IF_ADDR_TYPE_IPV4, ?))) -> value sd; + gtp_conn_id := sd.data.u.gtp.u.conn_establish.u.cnf.gtp_conn_id; + local_tei := sd.data.u.gtp.u.conn_establish.u.cnf.local_tei; + + /* Forward GTP data in both directions */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_GTP_CONN_DATA_REQ(gtp_conn_id, gtp_payload))); + GTP.receive(tr_GTPU_GPDU(ts_GtpPeerU(g_pars.hnodeb_addr), int2oct(remote_tei, 4), gtp_payload)); + f_gtpu_send(local_tei, gtp_payload); + LLSK.receive(f_llsk_rx(tr_HNBLLIF_GTP_CONN_DATA_IND(gtp_conn_id, gtp_payload))); + + /* Done, release GTP conn */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_GTP_CONN_RELEASE_REQ(gtp_conn_id))); + + /* UE sends Iu Release Complete to release the conn */ + LLSK.send(f_llsk_tx(ts_HNBLLIF_IUH_CONN_RELEASE_REQ(context_id, 1, 0, 0, hex2oct(iu_release_compl)))); + RUA.receive(tr_RUA_Disconnect(ps_domain, context_id_bstr, ts_RUA_Cause(normal), hex2oct(iu_release_compl))); +} +testcase TC_ps_mo_gtp_ping_pong() runs on test_CT { + var HNBGW_ConnHdlr vc_conn; + + f_init(); + vc_conn := f_start_handler(refers(f_tc_ps_mo_gtp_ping_pong)); + vc_conn.done; + f_shutdown_helper(); +} + +control { + execute( TC_hnb_register_request_accept() ); + execute( TC_hnb_register_request_reject() ); + execute( TC_mo_conn() ); + execute( TC_paging() ); + execute( TC_cs_mo_call_audio_v0() ); + execute( TC_cs_mo_call() ); + execute( TC_ps_mo_gtp_ping_pong() ); +} + +} |