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osmo-ttcn3-hacks
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sgsn: Add test to verify GPRS ctx deact caused by GTP ErrorInd 

Change-Id: I40e877f4126e62a731b071ae1d6d855fed210433
This commit is contained in:
Pau Espin 2018-07-18 13:47:42 +02:00 committed by Harald Welte
parent f3e25384d7
commit 482dde66cb
2 changed files with 33 additions and 7 deletions
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37
sgsn/SGSN_Tests.ttcn
View File

@ -959,19 +959,22 @@ function f_pdp_ctx_deact_mo(inout PdpActPars apars, OCT1 cause) runs on BSSGP_Co
}
}
function f_pdp_ctx_deact_mt(inout PdpActPars apars, OCT1 cause) runs on BSSGP_ConnHdlr {
function f_pdp_ctx_deact_mt(inout PdpActPars apars, boolean error_ind := false) runs on BSSGP_ConnHdlr {
var Gtp1cUnitdata g_ud;
var integer seq_nr := 23;
var GtpPeer peer := valueof(ts_GtpPeerC(apars.sgsn_ip_c));
BSSGP.clear;
GTP.send(ts_GTPC_DeletePDP(peer, seq_nr, apars.sgsn_tei_c, apars.nsapi, '1'B));
interleave {
if (error_ind) {
GTP.send(ts_GTPU_ErrorIndication(peer, 0 /* seq */, apars.ggsn_tei_u, apars.ggsn_ip_u));
} else {
GTP.send(ts_GTPC_DeletePDP(peer, seq_nr, apars.sgsn_tei_c, apars.nsapi, '1'B));
}
alt {
[] BSSGP.receive(tr_BD_L3_MT(tr_SM_DEACT_PDP_REQ_MT(apars.tid, ?, true))) {
BSSGP.send(ts_SM_DEACT_PDP_ACCEPT_MO(apars.tid));
}
[] GTP.receive(tr_GTPC_MsgType(?, deletePDPContextResponse, apars.ggsn_tei_c)) { }
[not error_ind] GTP.receive(tr_GTPC_MsgType(?, deletePDPContextResponse, apars.ggsn_tei_c)) { }
}
}
@ -1241,7 +1244,7 @@ private function f_TC_attach_pdp_act_user_deact_mt(charstring id) runs on BSSGP_
f_gtpu_xceive_mt(apars, f_rnd_octstring(100));
f_gtpu_xceive_mo(apars, f_rnd_octstring(200));
f_pdp_ctx_deact_mt(apars, '00'O);
f_pdp_ctx_deact_mt(apars, false);
}
testcase TC_attach_pdp_act_user_deact_mt() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
@ -1411,6 +1414,27 @@ private function f_TC_hlr_location_cancel_request_update(charstring id) runs on
}
}
/* ATTACH + PDP CTX ACT + user plane traffic + ERROR IND in MT direction */
private function f_TC_attach_pdp_act_user_error_ind_ggsn(charstring id) runs on BSSGP_ConnHdlr {
var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
/* first perform regular attach */
f_TC_attach(id);
/* then activate PDP context */
f_pdp_ctx_act(apars);
/* then transceive a downlink PDU */
f_gtpu_xceive_mo(apars, f_rnd_octstring(200));
/* Send Error indication as response from upload PDU and expect deact towards MS */
f_pdp_ctx_deact_mt(apars, true);
}
testcase TC_attach_pdp_act_user_error_ind_ggsn() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_TC_attach_pdp_act_user_error_ind_ggsn), testcasename(), g_gb[0], 26);
vc_conn.done;
}
testcase TC_hlr_location_cancel_request_update() runs on test_CT {
/* MS <-> SGSN: GMM Attach
* HLR -> SGSN: Cancel Location Request
@ -1762,6 +1786,7 @@ control {
execute( TC_attach_restart_ctr_echo() );
execute( TC_attach_restart_ctr_create() );
execute( TC_attach_pdp_act_deact_mt_t3395_expire() );
execute( TC_attach_pdp_act_user_error_ind_ggsn() );
}

3
sgsn/expected-results.xml
View File

@ -1,5 +1,5 @@
<?xml version="1.0"?>
<testsuite name='Titan' tests='29' failures='4' errors='3' skipped='0' inconc='0' time='MASKED'>
<testsuite name='Titan' tests='30' failures='4' errors='3' skipped='0' inconc='0' time='MASKED'>
<testcase classname='SGSN_Tests' name='TC_attach' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_mnc3' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_umts_aka_umts_res' time='MASKED'/>
@ -63,4 +63,5 @@
<testcase classname='SGSN_Tests' name='TC_attach_restart_ctr_echo' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_restart_ctr_create' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_pdp_act_deact_mt_t3395_expire' time='MASKED'/>
<testcase classname='SGSN_Tests' name='TC_attach_pdp_act_user_error_ind_ggsn' time='MASKED'/>
</testsuite>