laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27350 )
Change subject: ggsn: Introduce test TC_addr_pool_exhaustion ...................................................................... ggsn: Introduce test TC_addr_pool_exhaustion Related: OS#5469 Related: https://github.com/open5gs/open5gs/pull/1397 Change-Id: Iee24384b35f9277475b02cb59bf04cd6c9f23b1c --- M ggsn_tests/GGSN_Tests.ttcn 1 file changed, 103 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified fixeria: Looks good to me, but someone else must approve laforge: Looks good to me, approved diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn index 58a12a6..05d335a 100644 --- a/ggsn_tests/GGSN_Tests.ttcn +++ b/ggsn_tests/GGSN_Tests.ttcn @@ -1975,6 +1975,107 @@ setverdict(pass); } + /* Test callocation of PDP contexts until reaching addr pool exhaustion */ + type record of OCT4 TEIClist; + testcase TC_addr_pool_exhaustion() runs on GT_CT { + var Gtp1cUnitdata udc; + var Gtp1uUnitdata udu; + var PdpContext ctx; + timer T_next := 0.005; + var integer next_req_ctx := 0; + var integer rx_resp_ctx := 0; + var integer num_ctx; + var boolean cont_req := true; + var CreatePDPContextResponse cpr; + var TEIClist teic_list := {}; + var integer teic; + + f_init(); + + T_default.start(120.0); + + T_next.start; + alt { + [DIAMETER_PROC.checkstate("Connected")] as_DIA_CCR(INITIAL_REQUEST) { repeat; } + [] pingpong(); + [] T_next.timeout { + if (cont_req) { + if (next_req_ctx - rx_resp_ctx < 100) { /* if we have too many in progress, wait a bit to continue */ + ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), f_rnd_msisdn('1234'O), c_ApnInternet, valueof(t_EuaIPv4Dyn))); + ctx.nsapi := '0001'B; + ctx.teic := int2oct(next_req_ctx+1, 4); /* +1: skip TEIC=0 */ + ctx.teid := int2oct(next_req_ctx+1, 4); /* +1: skip TEID=0 */ + f_send_gtpc(ts_GTPC_CreatePDP(g_peer_c, g_c_seq_nr, ctx.imsi, g_restart_ctr, + ctx.teid, ctx.teic, ctx.nsapi, + ctx.eua, ctx.apn, g_sgsn_ip_c, g_sgsn_ip_u, + ctx.msisdn, ctx.pco_req, ctx.ratType, + ctx.uli)); + next_req_ctx := next_req_ctx + 1; + } + T_next.start; + } + repeat; + } + [] GTPC.receive(tr_GTPC_MsgType(g_peer_c, createPDPContextResponse, ?)) -> value udc { + cpr := udc.gtpc.gtpc_pdu.createPDPContextResponse; + + if (cpr.cause.causevalue == '80'O) { + teic_list := teic_list & {cpr.teidControlPlane.teidControlPlane}; + } else { + if (cont_req == true) { + num_ctx := rx_resp_ctx; + log("Successfully created ", num_ctx, " PDP contexts before exhausting the pool"); + setverdict(pass); + } + cont_req := false; + } + rx_resp_ctx := rx_resp_ctx + 1; + if (not cont_req and next_req_ctx == rx_resp_ctx) { + break; + } else { + repeat; + } + } + [] 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, teic_list[next_req_ctx], '0001'B, '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()); @@ -2019,5 +2120,7 @@ execute(TC_pdp_act_restart_ctr_echo()); execute(TC_lots_of_concurrent_pdp_ctx()); + /* Keep at the end, crashes older osmo-ggsn versions (OS#5469): */ + execute(TC_addr_pool_exhaustion()); } } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27350 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Iee24384b35f9277475b02cb59bf04cd6c9f23b1c Gerrit-Change-Number: 27350 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <[email protected]> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <[email protected]> Gerrit-Reviewer: laforge <[email protected]> Gerrit-MessageType: merged
