[M] Change in osmo-ttcn3-hacks[master]: msc: Introduce test TC_stat_bsc_sctp_disconnected

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40636?usp=email ) Change subject: msc: Introduce test TC_stat_bsc_sctp_disconnected ...................................................................... msc: Introduce test TC_stat_bsc_sctp_disconnected Related: OS#5917 Depends: osmo-msc.git Change-Id Ice1b2c163b1b0d134fcaa1c8bf543038a35fabdf Change-Id: I4cf30ea09cb1d1286bd5ab6975f3f27e39b9c183 --- M msc/MSC_Tests.default M msc/MSC_Tests.ttcn M msc/MSC_Tests_Iu.ttcn M msc/expected-results.xml 4 files changed, 196 insertions(+), 3 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/36/40636/1 diff --git a/msc/MSC_Tests.default b/msc/MSC_Tests.default index 34954bd..149d8e7 100644 --- a/msc/MSC_Tests.default +++ b/msc/MSC_Tests.default @@ -31,6 +31,15 @@ *.STATSVTY.CTRL_CLIENT_CLEANUP_LINEFEED := "yes" *.STATSVTY.CTRL_DETECT_CONNECTION_ESTABLISHMENT_RESULT := "yes" *.STATSVTY.PROMPT1 := "OsmoMSC> " +*.STPVTY.CTRL_MODE := "client" +*.STPVTY.CTRL_HOSTNAME := "127.0.0.1" +*.STPVTY.CTRL_PORTNUM := "4239" +*.STPVTY.CTRL_LOGIN_SKIPPED := "yes" +*.STPVTY.CTRL_DETECT_SERVER_DISCONNECTED := "yes" +*.STPVTY.CTRL_READMODE := "buffered" +*.STPVTY.CTRL_CLIENT_CLEANUP_LINEFEED := "yes" +*.STPVTY.CTRL_DETECT_CONNECTION_ESTABLISHMENT_RESULT := "yes" +*.STPVTY.PROMPT1 := "OsmoSTP> " [MODULE_PARAMETERS] diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn index 1ba52d9..4a7acdc 100644 --- a/msc/MSC_Tests.ttcn +++ b/msc/MSC_Tests.ttcn @@ -110,8 +110,10 @@ /* only to get events from IPA underneath GSUP */ port IPA_CTRL_PT GSUP_IPA_EVENT; - /* VTY to MSC */ + /* VTY to MSC: */ port TELNETasp_PT MSCVTY; + /* VTY to STP: */ + port TELNETasp_PT STPVTY; /* StatsD */ var StatsD_Checker_CT vc_STATSD; @@ -315,6 +317,34 @@ } } +friend function f_init_vty_stp() runs on MTC_CT { + if (STPVTY.checkstate("Mapped")) { + /* skip initialization if already executed once */ + return; + } + map(self:STPVTY, system:STPVTY); + f_vty_set_prompts(STPVTY, prompt_prefix := "OsmoSTP"); + f_vty_transceive(STPVTY, "enable"); +} + +friend function f_vty_stp_msc_asp_cmd(charstring cmd) runs on MTC_CT +{ + var charstring asp_name; + var charstring loc_port; + var charstring rem_port; + var charstring asp_proto; + if (mp_bssap_cfg[0].transport == BSSAP_TRANSPORT_AoIP) { + asp_name := "msc0-0"; + loc_port := int2str(1905); + rem_port := int2str(2905); + asp_proto := "m3ua"; + } else { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "osmo-stp not used in SCCPLite!"); + } + var charstring asp_node := "asp " & asp_name & " " & loc_port & " " & rem_port & " " & asp_proto; + f_vty_config2(STPVTY, {"cs7 instance 0", asp_node}, cmd); +} + function f_init(integer num_bsc := 1, boolean sgsap := false, boolean gsup := true, boolean osmux := false) runs on MTC_CT { if (g_initialized == true) { @@ -499,6 +529,12 @@ return f_start_handler_with_pars(fn, f_init_pars(imsi_suffix, ran_idx := ran_idx, ran_is_geran := ran_is_geran, use_osmux := use_osmux, verify_cell_id := verify_cell_id)); } +friend function f_msc_stats_prefix() return charstring +{ + return mp_statsd_prefix & "net.0.msc."; +} + + private function f_tc_lu_imsi_noauth_tmsi(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr { f_init_handler(pars); f_perform_lu(); @@ -2464,6 +2500,7 @@ f_mt_sms(spars); f_expect_clear(); + f_ran_unregister_imsi(g_pars.imsi); } testcase TC_lu_and_mt_sms() runs on MTC_CT { var BSC_ConnHdlrPars pars; @@ -3525,6 +3562,8 @@ /* then test the transaction mode */ f_smpp_mt_sms(spars, true); + + f_ran_unregister_imsi(g_pars.imsi); } testcase TC_smpp_mt_sms() runs on MTC_CT { var BSC_ConnHdlr vc_conn; @@ -7594,6 +7633,83 @@ vc_conn.done; } +/* When the last local IPA/SCTP link/ASP is terminated, last AS goes inactive + * and a SCCP N-PCSTATE.ind (unavailable) should arrive to upper layers. + * As a result, osmo-msc should immediately mark the ran_peer as unusable. + * In AoIP, the SCCP N-PCSTATE is triggered by instructing the STP to + * shutdown the ASP serving the MSC, which will close the SCTP assoc between + * itself and IUT (MSC), which should then generate an N-PCSTATE.ind. + */ +friend function f_tc_mt_sms(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr { + var SmsParameters spars := valueof(t_SmsPars); + + f_init_handler(pars); + + /* register an 'expect' for given IMSI (+TMSI) */ + f_ran_register_imsi(g_pars.imsi, g_pars.tmsi); + + f_vty_sms_send(hex2str(pars.imsi), "2342", "Hello SMS"); + + /* MSC->BSC: expect PAGING from MSC. We can't match on specific TMSI + because it was provided in a previous first vc_conn in test during 1st LU. */ + f_expect_paging_tmsi(?); + + /* Establish DTAP / BSSAP / SCCP connection */ + f_establish_fully(EST_TYPE_PAG_RESP); + + spars.tp.ud := 'C8329BFD064D9B53'O; + f_mt_sms(spars); + + f_expect_clear(); + f_ran_unregister_imsi(g_pars.imsi); +} +testcase TC_stat_bsc_sctp_disconnected() runs on MTC_CT { + var BSC_ConnHdlr vc_conn; + var BSC_ConnHdlrPars pars; + var charstring msc_stats_prefix := f_msc_stats_prefix(); + + var StatsDExpects expect_connected := { + {name := msc_stats_prefix & "ran_peers.total", mtype := "g", min := 1, max := 1}, + {name := msc_stats_prefix & "ran_peers.active", mtype := "g", min := 1, max := 1} + }; + var StatsDExpects expect_disconnected := { + {name := msc_stats_prefix & "ran_peers.total", mtype := "g", min := 1, max := 1}, + {name := msc_stats_prefix & "ran_peers.active", mtype := "g", min := 0, max := 0} + }; + + g_statd_timeout := 15.0; + f_init(); + f_init_vty_stp(); + + connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + f_statsd_reset(); + f_statsd_expect(expect_connected, wait_converge := true); + disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + + pars := f_init_pars(1); + vc_conn := f_start_handler_with_pars(refers(f_tc_lu_and_mt_sms), pars); + vc_conn.done; + + f_logp(MSCVTY, "Shutting down MSC ASP in STP"); + f_vty_stp_msc_asp_cmd("shutdown"); + + /* Wait for AS PENDING->INACTIVE transition (T(r) timeout after 2000msec): */ + connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + f_statsd_expect(expect_disconnected, wait_converge := true); + disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + + f_logp(MSCVTY, "Restarting MSC ASP in STP"); + f_vty_stp_msc_asp_cmd("no shutdown"); + + connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + f_statsd_expect(expect_connected, wait_converge := true); + disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + + vc_conn := f_start_handler_with_pars(refers(f_tc_mt_sms), pars); + vc_conn.done; + setverdict(pass); +} + control { execute( TC_cr_before_reset() ); execute( TC_lu_imsi_noauth_tmsi() ); @@ -7787,6 +7903,13 @@ execute( TC_lu_and_mt_csd() ); execute( TC_lu_and_mo_call_reass_for_mt_codec() ); + + /* This "nightly" if can be removed once libosmo-sigtran (osmo-stp) > 2.1.0 is released. + * Currently released osmo-stp 2.1.0 ends up in in broken AS-ACTIVE+ASP-DOWN state when + * restarting the ASP after exiting the related asp node through VTY: */ + if (Misc_Helpers.f_osmo_repo_is("nightly")) { + execute( TC_stat_bsc_sctp_disconnected() ); + } } diff --git a/msc/MSC_Tests_Iu.ttcn b/msc/MSC_Tests_Iu.ttcn index c78b86b..c3c7231 100644 --- a/msc/MSC_Tests_Iu.ttcn +++ b/msc/MSC_Tests_Iu.ttcn @@ -12,6 +12,7 @@ import from General_Types all; import from Osmocom_Types all; +import from Misc_Helpers all; import from BSC_ConnectionHandler all; import from MSC_Tests all; @@ -29,7 +30,10 @@ import from L3_Templates all; import from L3_Common all; - +import from StatsD_Types all; +import from StatsD_CodecPort all; +import from StatsD_CodecPort_CtrlFunct all; +import from StatsD_Checker all; testcase TC_iu_lu_imsi_reject() runs on MTC_CT { var BSC_ConnHdlr vc_conn; @@ -593,6 +597,54 @@ vc_conn.done; } +testcase TC_stat_rnc_sctp_disconnected() runs on MTC_CT { + var BSC_ConnHdlr vc_conn; + var BSC_ConnHdlrPars pars; + var charstring msc_stats_prefix := f_msc_stats_prefix(); + + var StatsDExpects expect_connected := { + {name := msc_stats_prefix & "ran_peers.total", mtype := "g", min := 3, max := 3}, + {name := msc_stats_prefix & "ran_peers.active", mtype := "g", min := 3, max := 3} + }; + var StatsDExpects expect_disconnected := { + {name := msc_stats_prefix & "ran_peers.total", mtype := "g", min := 3, max := 3}, + {name := msc_stats_prefix & "ran_peers.active", mtype := "g", min := 0, max := 0} + }; + + g_statd_timeout := 15.0; + f_init(3); + f_init_vty_stp(); + + connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + f_statsd_reset(); + f_statsd_expect(expect_connected, wait_converge := true); + disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + + pars := f_init_pars(1, ran_idx := 2, ran_is_geran := false); + vc_conn := f_start_handler_with_pars(refers(f_tc_lu_and_mt_sms), pars); + vc_conn.done; + + f_logp(MSCVTY, "Shutting down MSC ASP in STP"); + f_vty_stp_msc_asp_cmd("shutdown"); + + /* Wait for AS PENDING->INACTIVE transition (T(r) timeout after 2000msec): */ + connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + f_statsd_expect(expect_disconnected, wait_converge := true); + disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + + f_logp(MSCVTY, "Restarting MSC ASP in STP"); + f_vty_stp_msc_asp_cmd("no shutdown"); + + connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + f_statsd_expect(expect_connected, wait_converge := true); + disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); + + pars := f_init_pars(2, ran_idx := 2, ran_is_geran := false); + vc_conn := f_start_handler_with_pars(refers(f_tc_lu_and_mt_sms), pars); + vc_conn.done; + setverdict(pass); +} + control { execute( TC_iu_lu_imsi_reject() ); execute( TC_iu_lu_imsi_timeout_gsup() ); @@ -664,6 +716,13 @@ /* Run this last: at the time of writing this test crashes the MSC */ execute( TC_mo_cc_iu_release() ); + + /* This "nightly" if can be removed once libosmo-sigtran (osmo-stp) > 2.1.0 is released. + * Currently released osmo-stp 2.1.0 ends up in in broken AS-ACTIVE+ASP-DOWN state when + * restarting the ASP after exiting the related asp node through VTY: */ + if (Misc_Helpers.f_osmo_repo_is("nightly")) { + execute( TC_stat_rnc_sctp_disconnected() ); + } } diff --git a/msc/expected-results.xml b/msc/expected-results.xml index 9d7e315..04cd191 100644 --- a/msc/expected-results.xml +++ b/msc/expected-results.xml @@ -1,5 +1,5 @@ <?xml version="1.0"?> -<testsuite name='Titan' tests='227' failures='10' errors='0' skipped='0' inconc='0' time='MASKED'> +<testsuite name='Titan' tests='228' failures='10' errors='0' skipped='0' inconc='0' time='MASKED'> <testcase classname='MSC_Tests' name='TC_cr_before_reset' time='MASKED'/> <testcase classname='MSC_Tests' name='TC_lu_imsi_noauth_tmsi' time='MASKED'/> <testcase classname='MSC_Tests' name='TC_lu_imsi_noauth_notmsi' time='MASKED'/> @@ -176,6 +176,7 @@ <testcase classname='MSC_Tests' name='TC_lu_and_mo_csd' time='MASKED'/> <testcase classname='MSC_Tests' name='TC_lu_and_mt_csd' time='MASKED'/> <testcase classname='MSC_Tests' name='TC_lu_and_mo_call_reass_for_mt_codec' time='MASKED'/> + <testcase classname='MSC_Tests' name='TC_stat_bsc_sctp_disconnected' time='MASKED'/> <!-- MSC_Tests_Iu testcases start here --> <testcase classname='MSC_Tests_Iu' name='TC_iu_lu_imsi_reject' time='MASKED'/> <testcase classname='MSC_Tests_Iu' name='TC_iu_lu_imsi_timeout_gsup' time='MASKED'/> @@ -256,6 +257,7 @@ </testcase> <testcase classname='MSC_Tests_Iu' name='TC_iu_lu_and_expire_while_paging' time='MASKED'/> <testcase classname='MSC_Tests_Iu' name='TC_mo_cc_iu_release' time='MASKED'/> + <testcase classname='MSC_Tests_Iu' name='TC_stat_rnc_sctp_disconnected' time='MASKED'/> <!-- MSC_Tests_ASCI testcases start here --> <testcase classname='MSC_Tests_ASCI' name='TC_no_callref' time='MASKED'/> <testcase classname='MSC_Tests_ASCI' name='TC_setup_refuse' time='MASKED'/> -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40636?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: I4cf30ea09cb1d1286bd5ab6975f3f27e39b9c183 Gerrit-Change-Number: 40636 Gerrit-PatchSet: 1 Gerrit-Owner: pespin &lt;pespin(a)sysmocom.de&gt;