sccp: Add TC_process_rx_xudt, verifying reception of SCCP XUDT
Test if a XUDT SCCP message is processed by libosmo-sigtran. We
assume any XUDT is received (and echoed back) just like normal UDT.
Related: OS#5281, SYS#5674
Change-Id: Idbf6db7a684e51858129618b2fcffcbe55b1b70f
diff --git a/library/SCCP_Templates.ttcn b/library/SCCP_Templates.ttcn
index 5167e4b..74f1a20 100644
--- a/library/SCCP_Templates.ttcn
+++ b/library/SCCP_Templates.ttcn
@@ -171,6 +171,53 @@
}
}
+template (value) PDU_SCCP ts_SCCP_XUDT(SCCP_PAR_Address calling, SCCP_PAR_Address called,
+ template (value) octetstring data,
+ template (value) BIT4 msg_hdl := '0000'B,
+ template (value) integer hop_ctr := 16) := {
+ extudata := {
+ messageType := xudt,
+ protClass := {'0000'B, msg_hdl},
+ hopCounter := hop_ctr,
+ pointer1 := 0, /* overwritten */
+ pointer2 := 0, /* overwritten */
+ pointer3 := 0, /* overwritten */
+ pointer4 := 0, /* overwritten */
+ calledPAddress := ConvertASPAddressToEncodedAddress_itu(called),
+ callingPAddress := ConvertASPAddressToEncodedAddress_itu(calling),
+ data := {
+ paramLength := 0,
+ data := data
+ },
+ optionalPart := omit,
+ eop := omit
+ }
+}
+
+template PDU_SCCP tr_SCCP_XUDT(template (present) SCCP_PAR_Address calling, template (present) SCCP_PAR_Address called,
+ template octetstring data := ?,
+ template BIT4 msg_hdl := '0000'B,
+ template integer hop_ctr := ?) := {
+ extudata := {
+ messageType := xudt,
+ protClass := {'0000'B, msg_hdl},
+ hopCounter := hop_ctr,
+ pointer1 := ?,
+ pointer2 := ?,
+ pointer3 := ?,
+ pointer4 := ?,
+ calledPAddress := tr_Addr(called),
+ callingPAddress := tr_Addr(calling),
+ data := {
+ paramLength := ?,
+ data := data
+ },
+ optionalPart := { segmentation:= omit, importance := * } ifpresent,
+ eop := { paramName:= con_SCCP_eop } ifpresent
+ }
+}
+
+
template PDU_SCCP tr_SCCP_IT(template (present) OCT3 source_lref := ?,
template (present) OCT3 dest_lref := ?) := {
inacttest := {
diff --git a/sccp/SCCP_Tests_RAW.ttcn b/sccp/SCCP_Tests_RAW.ttcn
index 1ac82a2..5013ddf 100644
--- a/sccp/SCCP_Tests_RAW.ttcn
+++ b/sccp/SCCP_Tests_RAW.ttcn
@@ -310,6 +310,31 @@
}
}
+private function f_tx_xudt_exp(SCCP_PAR_Address calling, SCCP_PAR_Address called, octetstring data) runs on SCCP_Test_RAW_CT {
+ var template PDU_SCCP exp_rx;
+ f_send_sccp(ts_SCCP_XUDT(calling, called, data));
+ exp_rx := (tr_SCCP_UDT(called, calling, data), tr_SCCP_XUDT(called, calling, data));
+ f_exp_sccp(exp_rx);
+}
+
+/* Test if the IUT SCCP code processes an XUDT [treat it like UDT] and answers back. */
+testcase TC_process_rx_xudt() runs on SCCP_Test_RAW_CT {
+ var SCCP_PAR_Address calling, called;
+ var octetstring data := f_rnd_octstring(f_rnd_int(100));
+
+ f_init_raw(mp_sccp_cfg[0]);
+ f_sleep(1.0);
+
+ called := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].peer_pc, mp_sccp_cfg[0].peer_ssn,
+ mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
+ calling := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].own_pc, mp_sccp_cfg[0].own_ssn,
+ mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
+
+ /* Make sure an XUDT is echoed back just like an UDT */
+ f_tx_xudt_exp(calling, called, data);
+ setverdict(pass);
+}
+
function f_scmg_xceive(SCCP_PAR_Address calling, SCCP_PAR_Address called,
template (value) PDU_SCMG_message tx,
template (omit) PDU_SCMG_message rx_exp,
@@ -429,6 +454,7 @@
execute( TC_udt_without_cr_cc() );
execute( TC_tiar_timeout() );
execute( TC_it_avoids_tiar() );
+ execute( TC_process_rx_xudt() );
execute( TC_scmg_sst_ssn1() );
execute( TC_scmg_sst_ssn_valid() );