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osmo-ttcn3-hacks
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sgsn: Add new TC_attach_pdp_act_ggsn_reject 

Change-Id: I2da2b3811e843003920cd67ac47f2fc03016912f
This commit is contained in:
Harald Welte 2018-02-18 21:25:03 +01:00
parent 1d6ae939b6
commit 5b5ca1b1e7
1 changed files with 39 additions and 17 deletions
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56
sgsn/SGSN_Tests.ttcn
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@ -783,29 +783,31 @@ type record PdpActPars {
octetstring sgsn_ip_u optional /* SGSN IP USer */
};
private function f_process_gtp_ctx_act_req(inout PdpActPars apars, PDU_GTPC gtpc) runs on BSSGP_ConnHdlr {
var GTPC_PDUs gtpc_rx := gtpc.gtpc_pdu;
apars.sgsn_tei_c := gtpc_rx.createPDPContextRequest.teidControlPlane.teidControlPlane;
apars.sgsn_tei_u := gtpc_rx.createPDPContextRequest.teidDataI.teidDataI;
apars.sgsn_ip_c := gtpc_rx.createPDPContextRequest.sgsn_addr_signalling.addressf;
apars.sgsn_ip_u := gtpc_rx.createPDPContextRequest.sgsn_addr_traffic.addressf;
f_gtp_register_teid(apars.ggsn_tei_c);
f_gtp_register_teid(apars.ggsn_tei_u);
}
function f_pdp_ctx_act(inout PdpActPars apars) runs on BSSGP_ConnHdlr {
var boolean exp_rej := ispresent(apars.exp_rej_cause);
var Gtp1cUnitdata g_ud;
BSSGP.send(ts_SM_ACT_PDP_REQ(apars.tid, apars.nsapi, apars.sapi, apars.qos, apars.addr,
apars.apn, apars.pco));
if (not exp_rej) {
GTP.receive(tr_GTPC_MsgType(?, createPDPContextRequest, ?)) -> value g_ud {
var integer seq_nr := oct2int(g_ud.gtpc.opt_part.sequenceNumber);
var GTPC_PDUs gtpc_rx := g_ud.gtpc.gtpc_pdu;
apars.sgsn_tei_c := gtpc_rx.createPDPContextRequest.teidControlPlane.teidControlPlane;
apars.sgsn_tei_u := gtpc_rx.createPDPContextRequest.teidDataI.teidDataI;
apars.sgsn_ip_c := gtpc_rx.createPDPContextRequest.sgsn_addr_signalling.addressf;
apars.sgsn_ip_u := gtpc_rx.createPDPContextRequest.sgsn_addr_traffic.addressf;
f_gtp_register_teid(apars.ggsn_tei_c);
f_gtp_register_teid(apars.ggsn_tei_u);
var OCT1 cause := int2oct(128, 1);
GTP.send(ts_GTPC_CreatePdpResp(g_ud.peer, seq_nr,
apars.sgsn_tei_c, cause,
apars.ggsn_tei_c, apars.ggsn_tei_u,
apars.nsapi,
apars.ggsn_ip_c, apars.ggsn_ip_u, apars.chg_id));
}
GTP.receive(tr_GTPC_MsgType(?, createPDPContextRequest, ?)) -> value g_ud {
f_process_gtp_ctx_act_req(apars, g_ud.gtpc);
var integer seq_nr := oct2int(g_ud.gtpc.opt_part.sequenceNumber);
GTP.send(ts_GTPC_CreatePdpResp(g_ud.peer, seq_nr,
apars.sgsn_tei_c, apars.gtp_resp_cause,
apars.ggsn_tei_c, apars.ggsn_tei_u,
apars.nsapi,
apars.ggsn_ip_c, apars.ggsn_ip_u, apars.chg_id));
}
alt {
[exp_rej] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_REJ(apars.tid, apars.exp_rej_cause))) {
@ -820,6 +822,7 @@ function f_pdp_ctx_act(inout PdpActPars apars) runs on BSSGP_ConnHdlr {
[not exp_rej] BSSGP.receive(tr_BD_L3_MT(tr_SM_ACT_PDP_ACCEPT(apars.tid, apars.sapi))) {
setverdict(pass);
}
[] as_xid(apars);
}
}
@ -1035,6 +1038,24 @@ testcase TC_attach_pdp_act_user() runs on test_CT {
vc_conn.done;
}
/* ATTACH + PDP CTX ACT; reject from GGSN */
private function f_TC_attach_pdp_act_ggsn_reject(charstring id) runs on BSSGP_ConnHdlr {
var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
apars.gtp_resp_cause := int2oct(199, 1); /* no resources available */
apars.exp_rej_cause := '1a'O; /* insufficient resources */
/* first perform regular attach */
f_TC_attach(id);
/* then activate PDP context */
f_pdp_ctx_act(apars);
}
testcase TC_attach_pdp_act_ggsn_reject() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_TC_attach_pdp_act_ggsn_reject), testcasename(), g_gb[0], 20);
vc_conn.done;
}
control {
@ -1056,6 +1077,7 @@ control {
execute( TC_attach_pdp_act() );
execute( TC_pdp_act_unattached() );
execute( TC_attach_pdp_act_user() );
execute( TC_attach_pdp_act_ggsn_reject() );
}