Change in osmo-ttcn3-hacks[master]: bsc: add TC_chan_timeout_* tests

neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/29423 ) Change subject: bsc: add TC_chan_timeout_* tests ...................................................................... bsc: add TC_chan_timeout_* tests Test new X27 timer: release lchan when MEAS RES omit L1 Info. Depends: I6fb29315568554c8490ee999fcfd1b77d8245389 (osmo-bsc) Change-Id: If7c76445373d5d0e915a3e8910d3eb991216f768 --- M bsc/BSC_Tests.ttcn 1 file changed, 170 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/23/29423/1 diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index a150310..065640a 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -11814,6 +11814,172 @@ f_shutdown_helper(); } +private function f_vty_set_meas_res_l1_timeout(TELNETasp_PT pt, charstring val) { + f_vty_enter_cfg_network(pt); + f_vty_transceive(pt, "timer X27 " & val); + f_vty_transceive(pt, "end"); +} + +private function f_TC_chan_timeout_no_meas_res(charstring id) runs on MSC_ConnHdlr { + g_pars := f_gen_test_hdlr_pars(); + g_pars.ra := '02'O; /* RA containing reason=LU */ + + var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); + var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3_info); + var template uint3_t tsc := ?; + + f_MscConnHdlr_init(g_pars.media_nr, host_bts, host_mgw_mgcp, FR_AMR); + f_create_bssmap_exp(l3_enc); + /* call helper function for CHAN_RQD -> IMM ASS ->EST_IND */ + RSL_Emulation.f_chan_est(g_pars.ra, l3_enc, g_pars.link_id, g_pars.fn, tsc); + + /* we should now have a COMPL_L3 at the MSC */ + timer T := 10.0; + T.start; + alt { + [] BSSAP.receive(tr_BSSMAP_ComplL3); + [] T.timeout { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting for COMPLETE LAYER 3 INFORMATION"); + } + } + + /* The channel is open, but we are not sending any MEAS RES messages. The channel should release after due + * timeout. */ + f_expect_lchan_rel(RSL, RSL_PROC); + + BSSAP.receive(tr_BSSMAP_ClearRequest); + f_perform_clear_no_lchan(); + + f_sleep(5.0); +} +testcase TC_chan_timeout_no_meas_res() runs on test_CT { + var MSC_ConnHdlr vc_conn; + f_init(1, true, guard_timeout := 30.0); + f_sleep(1.0); + f_vty_set_meas_res_l1_timeout(BSCVTY, "3"); + vc_conn := f_start_handler(refers(f_TC_chan_timeout_no_meas_res)); + vc_conn.done; + f_vty_set_meas_res_l1_timeout(BSCVTY, "default"); + f_shutdown_helper(); +} + +private function f_TC_chan_timeout_meas_res_no_l1_info(charstring id) runs on MSC_ConnHdlr { + g_pars := f_gen_test_hdlr_pars(); + g_pars.ra := '02'O; /* RA containing reason=LU */ + + var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); + var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3_info); + var template uint3_t tsc := ?; + + f_MscConnHdlr_init(g_pars.media_nr, host_bts, host_mgw_mgcp, FR_AMR); + f_create_bssmap_exp(l3_enc); + /* call helper function for CHAN_RQD -> IMM ASS ->EST_IND */ + RSL_Emulation.f_chan_est(g_pars.ra, l3_enc, g_pars.link_id, g_pars.fn, tsc); + + /* we should now have a COMPL_L3 at the MSC */ + timer T := 10.0; + T.start; + alt { + [] BSSAP.receive(tr_BSSMAP_ComplL3); + [] T.timeout { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting for COMPLETE LAYER 3 INFORMATION"); + } + } + + /* The channel is open, we are sending MEAS RES messages, but they do not contain L1 Info. The channel should + * release after due timeout. */ + timer T_meas := 1.0; + T_meas.start; + alt { + [] T_meas.timeout { + RSL.send(ts_RSL_MEAS_RES_EMPTY(g_chan_nr, 0, + ts_RSL_IE_UplinkMeas(30, 0), + ts_RSL_IE_BS_Power(0))); + T_meas.start; + repeat; + } + [] BSSAP.receive(tr_BSSMAP_ClearRequest); + } + + f_expect_lchan_rel(RSL, RSL_PROC); + f_perform_clear_no_lchan(); +} +testcase TC_chan_timeout_meas_res_no_l1_info() runs on test_CT { + var MSC_ConnHdlr vc_conn; + f_init(1, true, guard_timeout := 30.0); + f_sleep(1.0); + f_vty_set_meas_res_l1_timeout(BSCVTY, "3"); + vc_conn := f_start_handler(refers(f_TC_chan_timeout_meas_res_no_l1_info)); + vc_conn.done; + f_vty_set_meas_res_l1_timeout(BSCVTY, "default"); + f_shutdown_helper(); +} + +private function f_TC_chan_timeout_meas_res_with_l1_info(charstring id) runs on MSC_ConnHdlr { + g_pars := f_gen_test_hdlr_pars(); + g_pars.ra := '02'O; /* RA containing reason=LU */ + + var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); + var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3_info); + var template uint3_t tsc := ?; + + f_MscConnHdlr_init(g_pars.media_nr, host_bts, host_mgw_mgcp, FR_AMR); + f_create_bssmap_exp(l3_enc); + /* call helper function for CHAN_RQD -> IMM ASS ->EST_IND */ + RSL_Emulation.f_chan_est(g_pars.ra, l3_enc, g_pars.link_id, g_pars.fn, tsc); + + /* we should now have a COMPL_L3 at the MSC */ + timer T := 10.0; + T.start; + alt { + [] BSSAP.receive(tr_BSSMAP_ComplL3); + [] T.timeout { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting for COMPLETE LAYER 3 INFORMATION"); + } + } + + /* The channel is open, we are sending MEAS RES messages WITH L1 Info. The channel should remain active. */ + timer T_meas := 1.0; + T_meas.start; + var integer meas_count := 10; + alt { + [] T_meas.timeout { + /* Send a couple MEAS RES until we're sure the channel was kept open beyond the X27 timeout */ + meas_count := meas_count - 1; + if (meas_count < 1) { + /* Done. */ + break; + } + + f_logp(BSCVTY, "Sending MEAS RES nr " & int2str(meas_count)); + var octetstring l3_mr := enc_GsmRrL3Message(valueof(ts_MEAS_REP(true, 8, 8))); + RSL.send(ts_RSL_MEAS_RES(g_chan_nr, 0, ts_RSL_IE_UplinkMeas, ts_RSL_IE_BS_Power(0), ts_RSL_IE_L1Info, + l3_mr, 0)); + T_meas.start; + repeat; + } + [] BSSAP.receive(tr_BSSMAP_ClearRequest) { + setverdict(fail, "expected channel to remain open, but received Clear Request"); + } + } + + setverdict(pass); + f_perform_clear(); +} +testcase TC_chan_timeout_meas_res_with_l1_info() runs on test_CT { + var MSC_ConnHdlr vc_conn; + f_init(1, true, guard_timeout := 30.0); + f_sleep(1.0); + f_vty_set_meas_res_l1_timeout(BSCVTY, "3"); + vc_conn := f_start_handler(refers(f_TC_chan_timeout_meas_res_with_l1_info)); + vc_conn.done; + f_vty_set_meas_res_l1_timeout(BSCVTY, "default"); + f_shutdown_helper(); +} + control { /* CTRL interface testing */ execute( TC_ctrl_msc_connection_status() ); @@ -12148,6 +12314,10 @@ execute( TC_chan_alloc_algo_descending() ); execute( TC_chan_alloc_algo_ass_dynamic() ); + execute( TC_chan_timeout_no_meas_res() ); + execute( TC_chan_timeout_meas_res_no_l1_info() ); + execute( TC_chan_timeout_meas_res_with_l1_info() ); + /* Run TC_ho_out_of_this_bsc last, because it may trigger a segfault before osmo-bsc's patch * with change-id I5a3345ab0005a73597f5c27207480912a2f5aae6 */ execute( TC_ho_out_of_this_bsc() ); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/29423 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: If7c76445373d5d0e915a3e8910d3eb991216f768 Gerrit-Change-Number: 29423 Gerrit-PatchSet: 1 Gerrit-Owner: neels &lt;nhofmeyr(a)sysmocom.de&gt; Gerrit-MessageType: newchange