pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27347 )
Change subject: ggsn: Introduce test TC_lots_of_concurrent_pdp_ctx
......................................................................
ggsn: Introduce test TC_lots_of_concurrent_pdp_ctx
Change-Id: Iab19963f8e869af8fe0c385abd0fd7bbd9221790
---
M ggsn_tests/GGSN_Tests.ttcn
1 file changed, 115 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/47/27347/1
diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn
index b66d7ba..58a12a6 100644
--- a/ggsn_tests/GGSN_Tests.ttcn
+++ b/ggsn_tests/GGSN_Tests.ttcn
@@ -1862,6 +1862,119 @@
setverdict(pass);
}
+ /* Test creation, user plane and deletion of big amount (1000) of
concurrent PDP context */
+ testcase TC_lots_of_concurrent_pdp_ctx() runs on GT_CT {
+ var Gtp1cUnitdata udc;
+ var Gtp1uUnitdata udu;
+ const integer num_ctx := 1000;
+ var PdpContext ctx[num_ctx];
+ timer T_next := 0.01;
+ var integer next_req_ctx := 0;
+ var integer rx_resp_ctx := 0;
+ var integer rx_pong := 0;
+ var OCT4 dns1_addr;
+ var OCT4 saddr;
+ var integer teic;
+ var integer idx;
+
+ f_init();
+
+ for (var integer i := 0; i < num_ctx; i := i + 1) {
+ ctx[i] := valueof(t_DefinePDP(f_rnd_imsi('26242'H),
f_rnd_msisdn('1234'O), c_ApnInternet, valueof(t_EuaIPv4Dyn)));
+ ctx[i].teic := int2oct(i+1, 4); /* +1: skip TEIC=0 */
+ ctx[i].teid := int2oct(i+1, 4); /* +1: skip TEID=0 */
+ ctx[i].pco_req := valueof(ts_PCO_IPv4_DNS_CONT);
+ }
+
+ T_default.start(60.0);
+
+ T_next.start;
+ alt {
+ [DIAMETER_PROC.checkstate("Connected")]
as_DIA_CCR(INITIAL_REQUEST) { repeat; }
+ [] pingpong();
+ [] T_next.timeout {
+ f_send_gtpc(ts_GTPC_CreatePDP(g_peer_c, g_c_seq_nr,
ctx[next_req_ctx].imsi, g_restart_ctr,
+
ctx[next_req_ctx].teid, ctx[next_req_ctx].teic, ctx[next_req_ctx].nsapi,
+
ctx[next_req_ctx].eua, ctx[next_req_ctx].apn, g_sgsn_ip_c, g_sgsn_ip_u,
+
ctx[next_req_ctx].msisdn, ctx[next_req_ctx].pco_req, ctx[next_req_ctx].ratType,
+
ctx[next_req_ctx].uli));
+ next_req_ctx := next_req_ctx + 1;
+ if (next_req_ctx < num_ctx) {
+ T_next.start;
+ }
+ repeat;
+ }
+ [] GTPC.receive(tr_GTPC_MsgType(g_peer_c,
createPDPContextResponse, ?)) -> value udc {
+ teic := oct2int(udc.gtpc.teid);
+ if (not match(teic, (1 .. num_ctx))) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__,
fail,
+ "Rx Unexpected TEIC");
+ }
+ idx := teic - 1;
+ f_handle_create_req(ctx[idx], udc);
+ rx_resp_ctx := rx_resp_ctx + 1;
+
+ dns1_addr := f_PCO_extract_proto(ctx[idx].pco_neg,
'000d'O);
+ saddr :=
ctx[idx].eua.endUserAddress.endUserAddressIPv4.ipv4_address;
+ f_send_gtpu(ctx[idx], f_gen_icmpv4_echo(saddr,
dns1_addr));
+ repeat;
+ }
+ [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value udu {
+ var octetstring gpdu :=
udu.gtpu.gtpu_IEs.g_PDU_IEs.data;
+ var IPv4_packet ip4 := f_IPv4_dec(gpdu);
+ if (ip4.header.ver != 4) {
+ repeat;
+ }
+ var PDU_ICMP icmp4 := f_dec_PDU_ICMP(ip4.payload);
+ if (not match(icmp4, (tr_ICMPv4_ERP, tr_ICMPv4_DU))) {
+ repeat;
+ }
+ rx_pong := rx_pong + 1;
+ if (rx_pong < num_ctx) {
+ repeat;
+ }
+ setverdict(pass);
+ }
+ [] GTPC.receive { Misc_Helpers.f_shutdown(__BFILE__, __LINE__,
fail, "Rx Unexpected GTPC"); }
+ [] GTPU.receive { Misc_Helpers.f_shutdown(__BFILE__, __LINE__,
fail, "Rx Unexpected GTPU"); }
+ }
+
+ /* Let's close them now: */
+ next_req_ctx := 0;
+ rx_resp_ctx := 0;
+ T_next.start;
+ alt {
+ [DIAMETER_PROC.checkstate("Connected")]
as_DIA_CCR(TERMINATION_REQUEST) { repeat; }
+ [] pingpong();
+ [] T_next.timeout {
+ f_send_gtpc(ts_GTPC_DeletePDP(g_peer_c, g_c_seq_nr,
ctx[next_req_ctx].teic_remote, ctx[next_req_ctx].nsapi, '1'B));
+ next_req_ctx := next_req_ctx + 1;
+ if (next_req_ctx < num_ctx) {
+ T_next.start;
+ }
+ repeat;
+ }
+ [] GTPC.receive(tr_GTPC_MsgType(g_peer_c,
deletePDPContextResponse, ?)) -> value udc {
+ teic := oct2int(udc.gtpc.teid);
+ if (not match(teic, (1 .. num_ctx))) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__,
fail,
+ "Rx Unexpected TEIC");
+ }
+ rx_resp_ctx := rx_resp_ctx + 1;
+ if (rx_resp_ctx < num_ctx) {
+ repeat;
+ }
+ setverdict(pass);
+ }
+ [] GTPC.receive { Misc_Helpers.f_shutdown(__BFILE__, __LINE__,
fail, "Rx Unexpected GTPC"); }
+ [] GTPU.receive { Misc_Helpers.f_shutdown(__BFILE__, __LINE__,
fail, "Rx Unexpected GTPU"); }
+ }
+ T_next.stop;
+
+ T_default.stop;
+ setverdict(pass);
+ }
+
control {
execute(TC_pdp4_act_deact());
execute(TC_pdp4_act_deact_ipcp());
@@ -1904,5 +2017,7 @@
execute(TC_act_deact_retrans_duplicate());
execute(TC_pdp_act_restart_ctr_echo());
+
+ execute(TC_lots_of_concurrent_pdp_ctx());
}
}
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Iab19963f8e869af8fe0c385abd0fd7bbd9221790
Gerrit-Change-Number: 27347
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
Gerrit-MessageType: newchange
