pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40592?usp=email ) Change subject: hnbgw: Introduce test TC_{msc,sgsn}pool_sccp_n_pcstate_detaches_cnlink_sctp_down ...................................................................... hnbgw: Introduce test TC_{msc,sgsn}pool_sccp_n_pcstate_detaches_cnlink_sctp_down Related: OS#5917 Depends: libosmo-sigtran.git Change-Id I7e4eedb65c4f2952f8b39ca4c539ca2f40e9946c Change-Id: I079f2da09ff8d52e614ff6f5d267cd5429e4eb58 --- M hnbgw/HNBGW_Tests.default M hnbgw/HNBGW_Tests.ttcn M hnbgw/expected-results.xml M hnbgw/osmo-hnbgw.cfg M hnbgw/osmo-stp.cfg 5 files changed, 95 insertions(+), 6 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/92/40592/1 diff --git a/hnbgw/HNBGW_Tests.default b/hnbgw/HNBGW_Tests.default index b8a4863..174b012 100644 --- a/hnbgw/HNBGW_Tests.default +++ b/hnbgw/HNBGW_Tests.default @@ -20,6 +20,16 @@ *.STATSVTY.CTRL_CLIENT_CLEANUP_LINEFEED := "yes" *.STATSVTY.CTRL_DETECT_CONNECTION_ESTABLISHMENT_RESULT := "yes" *.STATSVTY.PROMPT1 := "OsmoHNBGW> " +*.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] Osmocom_VTY_Functions.mp_prompt_prefix := "OsmoHNBGW"; diff --git a/hnbgw/HNBGW_Tests.ttcn b/hnbgw/HNBGW_Tests.ttcn index ef70948..b0bdca0 100644 --- a/hnbgw/HNBGW_Tests.ttcn +++ b/hnbgw/HNBGW_Tests.ttcn @@ -264,6 +264,7 @@ var MGCP_Emulation_CT vc_MGCP; port TELNETasp_PT HNBGWVTY; + port TELNETasp_PT STPVTY; var StatsD_Checker_CT vc_STATSD; var PFCP_Emulation_CT vc_PFCP; /* global test case guard timer (actual timeout value is set in f_init()) */ @@ -298,6 +299,16 @@ f_vty_transceive(HNBGWVTY, "enable"); } +private function f_init_vty_stp() runs on test_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"); +} + function f_init_mgcp(charstring id) runs on test_CT { id := id & "-MGCP"; var MGCPOps ops := { @@ -1797,7 +1808,7 @@ f_perform_compl_l3(g_pars.nas_pdu, expect_success := g_pars.expect_compl_l3_success); } -private function f_TC_cnpool_compl_l3(boolean ps_domain, octetstring nas_pdu, integer cn_nr, +private function f_TC_cnpool_compl_l3(boolean ps_domain, octetstring nas_pdu, integer cn_nr := 0, template (omit) charstring inc_countername := omit, boolean expect_compl_l3_success := true) runs on test_CT { var ConnHdlr vc_conn; @@ -2490,7 +2501,63 @@ f_shutdown_helper(); } -/* When a peer point-code gets an SCCP N-PCSTATE saying it is unreachable, immediately mark the CN link as unusable. */ +private function f_vty_stp_hnbgw_asp_cmd(boolean ps_domain, charstring cmd) runs on test_CT +{ + var charstring asp_node := "asp hnbgw0-0 2906 2905 m3ua"; + f_vty_config2(STPVTY, {"cs7 instance 0", asp_node}, cmd); +} + +/* When a peer point-code gets an SCCP N-PCSTATE saying it is unreachable, + * immediately mark the CN link as unusable. + * In this scenario, the SCCP N-PCSTATE is triggered by instructing the STP to + * shutdown the ASP serving the HNBGW, which will close the SCTP assoc between + * itself and IUT (HNBGW), which should then generate an N-PCSTATE.ind. + */ +testcase TC_mscpool_sccp_n_pcstate_detaches_cnlink_sctp_down() runs on test_CT { + f_TC_cnpool_sccp_n_pcstate_detaches_cnlink_sctp_down(ps_domain := false); +} +testcase TC_sgsnpool_sccp_n_pcstate_detaches_cnlink_sctp_down() runs on test_CT { + f_TC_cnpool_sccp_n_pcstate_detaches_cnlink_sctp_down(ps_domain := true); +} +function f_TC_cnpool_sccp_n_pcstate_detaches_cnlink_sctp_down(boolean ps_domain) runs on test_CT +{ + + f_init(nr_msc := 2, nr_sgsn := 2); + f_init_vty_stp(); + f_sleep(1.0); + + /* Control which MSC gets chosen next by the round-robin, otherwise + * would be randomly affected by which other tests ran before this. */ + f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); + + f_ctrs_cn_init(ps_domain := ps_domain); + + var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3); + + f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new"); + f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 1, inc_countername := "cnpool:subscr:new"); + + f_logp(HNBGWVTY, "Shutting down HNBGW ASP in STP"); + f_vty_stp_hnbgw_asp_cmd(ps_domain, "shutdown"); + + f_TC_cnpool_compl_l3(ps_domain, compl3[2], expect_compl_l3_success := false); + + f_logp(HNBGWVTY, "Restarting HNBGW ASP in STP"); + f_vty_stp_hnbgw_asp_cmd(ps_domain, "no shutdown"); + + /* Now round-robin would wrap to the first MSC, but since the first MSC is disconnected, it wraps around to the + * second. */ + f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 1, inc_countername := "cnpool:subscr:new"); + f_shutdown_helper(); +} + +/* When a peer point-code gets an SCCP N-PCSTATE saying it is unreachable, + * immediately mark the CN link as unusable. + * In this scenario, the SCCP N-PCSTATE is triggered by locally dropping the + * SCTP assoc at the virtual MSC (TTCN3). When STP osmo-hnbgw finds out about + * the SCTP conn STP<->MSC going down, it will send an M3UA DUNA to the IUT + * (HNBGW) which should then generate an N-PCSTATE.ind. + */ testcase TC_mscpool_sccp_n_pcstate_detaches_cnlink() runs on test_CT { f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(ps_domain := false); } diff --git a/hnbgw/expected-results.xml b/hnbgw/expected-results.xml index c04876d..5563c57 100644 --- a/hnbgw/expected-results.xml +++ b/hnbgw/expected-results.xml @@ -51,6 +51,7 @@ <testcase classname='HNBGW_Tests' name='TC_mscpool_paging_imsi_rai_registered' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_mscpool_no_allow_attach_round_robin' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_mscpool_no_allow_attach_valid_nri' time='MASKED'/> + <testcase classname='HNBGW_Tests' name='TC_mscpool_sccp_n_pcstate_detaches_cnlink_sctp_down' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_mscpool_sccp_n_pcstate_detaches_cnlink' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_mscpool_sccp_n_pcstate_attaches_cnlink' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_sgsnpool_L3Compl_on_1_cnlink' time='MASKED'/> @@ -59,6 +60,7 @@ <testcase classname='HNBGW_Tests' name='TC_sgsnpool_L3Complete_valid_nri_2' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_sgsnpool_L3Compl_no_cn' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_sgsnpool_nri_from_other_PLMN' time='MASKED'/> + <testcase classname='HNBGW_Tests' name='TC_sgsnpool_sccp_n_pcstate_detaches_cnlink_sctp_shutdown' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_sgsnpool_sccp_n_pcstate_detaches_cnlink' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_sgsnpool_sccp_n_pcstate_attaches_cnlink' time='MASKED'/> <testcase classname='HNBGW_Tests' name='TC_second_rab_assignment' time='MASKED'/> diff --git a/hnbgw/osmo-hnbgw.cfg b/hnbgw/osmo-hnbgw.cfg index 423cec5..e074b15 100644 --- a/hnbgw/osmo-hnbgw.cfg +++ b/hnbgw/osmo-hnbgw.cfg @@ -37,13 +37,13 @@ cs7 instance 0 point-code 0.23.5 - asp asp-clnt-msc-0 2905 2906 m3ua + asp asp-clnt-CN-0 2905 2906 m3ua local-ip 127.0.0.1 remote-ip 127.0.0.1 role asp sctp-role client - as as-clnt-msc-0 m3ua - asp asp-clnt-msc-0 + as as-clnt-CN m3ua + asp asp-clnt-CN-0 routing-key 0 0.23.5 sccp-address msc-naught diff --git a/hnbgw/osmo-stp.cfg b/hnbgw/osmo-stp.cfg index ba3e3d0..b70a584 100644 --- a/hnbgw/osmo-stp.cfg +++ b/hnbgw/osmo-stp.cfg @@ -34,6 +34,15 @@ ! cs7 instance 0 xua rkm routing-key-allocation dynamic-permitted + asp hnbgw0-0 2906 2905 m3ua + local-ip 127.0.0.1 + remote-ip 127.0.0.1 + role sg + sctp-role server + as hnbgw0 m3ua + routing-key 0 0.23.5 + asp hnbgw0-0 + asp virt-msc0-0 23905 2905 m3ua local-ip 127.0.0.1 remote-ip 127.0.0.1 @@ -89,6 +98,7 @@ routing-key 6 0.1.3 route-table system + update route 0.23.5 7.255.7 linkset hnbgw0 update route 0.23.4 7.255.7 linkset virt-msc0 update route 0.0.2 7.255.7 linkset virt-msc1 update route 0.0.3 7.255.7 linkset virt-msc2 @@ -96,4 +106,4 @@ update route 0.1.2 7.255.7 linkset virt-sgsn1 update route 0.1.3 7.255.7 linkset virt-sgsn2 listen m3ua 2905 - accept-asp-connections dynamic-permitted + accept-asp-connections pre-configured -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40592?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: I079f2da09ff8d52e614ff6f5d267cd5429e4eb58 Gerrit-Change-Number: 40592 Gerrit-PatchSet: 1 Gerrit-Owner: pespin &lt;pespin(a)sysmocom.de&gt;