fixeria has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/36456?usp=email )

Change subject: msc: rework f_expect_paging(): handle mismatch and timeout ......................................................................

msc: rework f_expect_paging(): handle mismatch and timeout

When a received Paging mismatches, instead of waiting for Tguard timeout, fail immediately. Add a local timer and wait 4.0 seconds by default.

Change-Id: I30273e3882e348a2ded88b7b96a5ec1473a56913 Tweaked-By: Vadim Yanitskiy vyanitskiy@sysmocom.de --- M msc/BSC_ConnectionHandler.ttcn 1 file changed, 35 insertions(+), 7 deletions(-)

Approvals: Jenkins Builder: Verified neels: Looks good to me, approved pespin: Looks good to me, but someone else must approve

diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn index 75eb892..5714fbf 100644 --- a/msc/BSC_ConnectionHandler.ttcn +++ b/msc/BSC_ConnectionHandler.ttcn @@ -1357,18 +1357,32 @@ log("f_mt_call_complete DONE"); }

-function f_expect_paging_tmsi(template OCT4 tmsi := *) +function f_expect_paging_tmsi(template OCT4 tmsi := *, float Tval := 4.0) runs on BSC_ConnHdlr { - if (g_pars.ran_is_geran) { - BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi, tmsi)); - } else { - BSSAP.receive(tr_RANAP_Paging(cs_domain, imsi_hex2oct(g_pars.imsi))); + timer T; + + T.start(Tval); + alt { + [g_pars.ran_is_geran] BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi, tmsi)); + [g_pars.ran_is_geran] BSSAP.receive(tr_BSSMAP_Paging(?, *)) { + setverdict(fail, "Paging message doesn't match expectations"); + mtc.stop; + } + [not g_pars.ran_is_geran] BSSAP.receive(tr_RANAP_Paging(cs_domain, imsi_hex2oct(g_pars.imsi))); + [not g_pars.ran_is_geran] BSSAP.receive(tr_RANAP_Paging(?, ?)) { + setverdict(fail, "Paging message doesn't match expectations"); + mtc.stop; + } + [] T.timeout { + setverdict(fail, "Timeout waiting for paging"); + mtc.stop; + } } }

-function f_expect_paging() +function f_expect_paging(float Tval := 4.0) runs on BSC_ConnHdlr { - f_expect_paging_tmsi(g_pars.tmsi); + f_expect_paging_tmsi(g_pars.tmsi, Tval); }

function f_mt_call_establish(inout CallParameters cpars)