ttcn3
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osmo-ttcn3-hacks
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Add TC_attach_pdp_act_user_deact_mt for GGSN-originated PDP DEACT 

Change-Id: I7eb653694f487f8bbf122146300c93be625b0f87
Related: OS#2961
This commit is contained in:
Harald Welte 2018-02-18 22:28:13 +01:00
parent 6f20316985
commit 57b9b7f1dc
3 changed files with 155 additions and 6 deletions
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10
library/GTP_Templates.ttcn
View File

@ -456,12 +456,10 @@ module GTP_Templates {
ts_IPCP(LCP_Configure_Request, identifier,
{ tr_IPCP_PrimaryDns('00000000'O), tr_IPCP_SecondaryDns('00000000'O) });
function f_teardown_ind_IE(in template BIT1 ind) return template TearDownInd {
/*
if (not isvalue(ind)) {
function f_teardown_ind_IE(in template (omit) BIT1 ind) return template (omit) TearDownInd {
if (istemplatekind(ind, "omit")) {
return omit;
}
*/
var TearDownInd ret := {
type_gtpc := '13'O,
tdInd := valueof(ind),
@ -470,7 +468,7 @@ module GTP_Templates {
return ret;
}
template GTPC_PDUs ts_DeletePdpPDU(BIT4 nsapi, template BIT1 teardown_ind) := {
template GTPC_PDUs ts_DeletePdpPDU(BIT4 nsapi, template (omit) BIT1 teardown_ind) := {
deletePDPContextRequest := {
cause := omit,
tearDownIndicator := f_teardown_ind_IE(teardown_ind),
@ -489,7 +487,7 @@ module GTP_Templates {
}
template Gtp1cUnitdata ts_GTPC_DeletePDP(GtpPeer peer, uint16_t seq, OCT4 teid,
BIT4 nsapi, template BIT1 teardown_ind) := {
BIT4 nsapi, template (omit) BIT1 teardown_ind) := {
peer := peer,
gtpc := ts_GTP1C_PDU(deletePDPContextRequest, teid,
valueof(ts_DeletePdpPDU(nsapi, teardown_ind)), seq)

112
library/L3_Templates.ttcn
View File

@ -1937,6 +1937,74 @@ template (value) PDU_L3_MS_SGSN ts_SM_DEACT_PDP_REQ_MO(BIT3 tid, OCT1 cause, boo
}
}
template (value) PDU_L3_SGSN_MS ts_SM_DEACT_PDP_REQ_MT(BIT3 tid, OCT1 cause, boolean tdown := false,
template (omit) ProtocolConfigOptionsV pco := omit
) := {
discriminator := '0000'B, /* overwritten */
tiOrSkip := {
transactionId := {
tio := tid,
tiFlag := '1'B,
tIExtension := omit
}
},
msgs := {
gprs_sm := {
deactivatePDPContextRequest := {
messageType := '00000000'B, /* overwritten */
smCause := cause,
tearDownIndicator := {
tearDownIndicatorV := {
tdi_flag := bool2bit(tdown),
spare := '000'B
},
elementIdentifier := '1001'B
},
protocolConfigOpts := ts_PcoTLV(pco),
mBMSprotocolConfigOptions := omit,
t3396 := omit,
wLANOffloadIndication := omit,
nBIFOM_Container := omit
}
}
}
}
template PDU_L3_SGSN_MS tr_SM_DEACT_PDP_REQ_MT(template BIT3 tid, template OCT1 cause,
template boolean tdown := false,
template (omit) ProtocolConfigOptionsV pco := omit
) := {
discriminator := '0000'B, /* overwritten */
tiOrSkip := {
transactionId := {
tio := tid,
tiFlag := '1'B,
tIExtension := omit
}
},
msgs := {
gprs_sm := {
deactivatePDPContextRequest := {
messageType := '00000000'B, /* overwritten */
smCause := cause,
tearDownIndicator := {
tearDownIndicatorV := {
tdi_flag := bool2bit_tmpl(tdown),
spare := '000'B
},
elementIdentifier := '1001'B
},
protocolConfigOpts := *,
mBMSprotocolConfigOptions := *,
t3396 := *,
wLANOffloadIndication := *,
nBIFOM_Container := *
}
}
}
}
template PDU_L3_SGSN_MS tr_SM_DEACT_PDP_ACCEPT_MT(template BIT3 tid := ?)
:= {
discriminator := '1010'B,
@ -1959,6 +2027,50 @@ template PDU_L3_SGSN_MS tr_SM_DEACT_PDP_ACCEPT_MT(template BIT3 tid := ?)
}
}
template PDU_L3_MS_SGSN tr_SM_DEACT_PDP_ACCEPT_MO(template BIT3 tid := ?)
:= {
discriminator := '1010'B,
tiOrSkip := {
transactionId := {
tio := tid,
tiFlag := '0'B,
tIExtension := omit
}
},
msgs := {
gprs_sm := {
deactivatePDPContextAccept := {
messageType := '01000111'B,
protocolConfigOpts := *,
mBMSprotocolConfigOptions := *,
nBIFOM_Container := *
}
}
}
}
template (value) PDU_L3_MS_SGSN ts_SM_DEACT_PDP_ACCEPT_MO(BIT3 tid)
:= {
discriminator := '1010'B,
tiOrSkip := {
transactionId := {
tio := tid,
tiFlag := '0'B,
tIExtension := omit
}
},
msgs := {
gprs_sm := {
deactivatePDPContextAccept := {
messageType := '01000111'B,
protocolConfigOpts := omit,
mBMSprotocolConfigOptions := omit,
nBIFOM_Container := omit
}
}
}
}
private function f_concat_pad(integer tot_len, hexstring prefix, integer suffix) return hexstring {

39
sgsn/SGSN_Tests.ttcn
View File

@ -842,6 +842,22 @@ 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 {
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, omit));
interleave {
[] BSSGP.receive(tr_BD_L3_MT(tr_SM_DEACT_PDP_REQ_MT(apars.tid, ?))) {
BSSGP.send(ts_SM_DEACT_PDP_ACCEPT_MO(apars.tid));
}
[] GTP.receive(tr_GTPC_MsgType(?, deletePDPContextResponse, apars.ggsn_tei_c)) { }
}
}
/* Table 10.5.156/3GPP TS 24.008 */
template (value) QoSV t_QosDefault := {
@ -1095,6 +1111,28 @@ testcase TC_attach_pdp_act_user_deact_mo() runs on test_CT {
vc_conn.done;
}
/* ATTACH + PDP CTX ACT + user plane traffic + PDP CTX DEACT in MT direction */
private function f_TC_attach_pdp_act_user_deact_mt(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_mt(apars, f_rnd_octstring(100));
f_gtpu_xceive_mo(apars, f_rnd_octstring(200));
f_pdp_ctx_deact_mt(apars, '00'O);
}
testcase TC_attach_pdp_act_user_deact_mt() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_TC_attach_pdp_act_user_deact_mt), testcasename(), g_gb[0], 22);
vc_conn.done;
}
control {
execute( TC_attach() );
@ -1117,6 +1155,7 @@ control {
execute( TC_attach_pdp_act_user() );
execute( TC_attach_pdp_act_ggsn_reject() );
execute( TC_attach_pdp_act_user_deact_mo() );
execute( TC_attach_pdp_act_user_deact_mt() );
}