2723 lines
83 KiB
Plaintext
2723 lines
83 KiB
Plaintext
module HNBGW_Tests {
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/* Integration Tests for OsmoHNBGW
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* (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* This test suite tests OsmoHNBGW while emulating the hNodeB as well as MSC, SGSN, MGW
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* See README for more details.
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*/
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import from Misc_Helpers all;
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import from General_Types all;
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import from GSM_Types all;
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import from Osmocom_Types all;
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import from IPL4asp_Types all;
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import from Native_Functions all;
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import from Osmocom_CTRL_Functions all;
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import from Osmocom_CTRL_Types all;
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import from Osmocom_CTRL_Adapter all;
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import from StatsD_Types all;
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import from StatsD_CodecPort all;
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import from StatsD_CodecPort_CtrlFunct all;
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import from StatsD_Checker all;
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import from Osmocom_VTY_Functions all;
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import from TELNETasp_PortType all;
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import from HNBAP_Templates all;
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import from HNBAP_PDU_Descriptions all;
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import from RUA_IEs all;
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import from RUA_Templates all;
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import from RUA_Emulation all;
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import from Iuh_Emulation all;
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import from RANAP_Types all;
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import from RANAP_PDU_Descriptions all;
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import from RANAP_PDU_Contents all;
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import from RANAP_IEs all;
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import from RANAP_Templates all;
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import from RANAP_CodecPort all;
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import from RAN_Adapter all;
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import from RAN_Emulation all;
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import from MGCP_Emulation all;
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import from MGCP_Types all;
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import from MGCP_Templates all;
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import from MGCP_CodecPort all;
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import from SDP_Types all;
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import from PFCP_Types all;
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import from PFCP_Emulation all;
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import from PFCP_Templates all;
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import from PFCP_CodecPort all;
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import from TCCConversion_Functions all;
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import from MobileL3_Types all;
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import from MobileL3_CommonIE_Types all;
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import from MobileL3_GMM_SM_Types all;
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import from L3_Templates all;
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import from L3_Common all;
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import from SCCPasp_Types all;
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const integer NUM_MSC := 4;
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const integer NUM_SGSN := 4;
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const integer FIRST_MSC_IDX := 0;
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const integer FIRST_SGSN_IDX := NUM_MSC;
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modulepar {
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/* IP address at which the HNodeB can be reached */
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charstring mp_hnodeb_ip := "127.0.0.1";
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integer mp_hnodeb_port := -1;
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/* IP address at which the test binds */
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charstring mp_hnbgw_ip := "127.0.0.1";
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integer mp_hnbgw_iuh_port := 29169;
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integer mp_hnbgw_ctrl_port := 4262;
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charstring mp_mgw_ip := "127.0.0.1";
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integer mp_mgw_port := 2427;
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RAN_Configurations mp_cn_cfg := {
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/* MSCs (NUM_MSC entries) */
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { 23905, "127.0.0.1", 2905, "127.0.0.1" },
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own_pc := 188, /* 0.23.4 first MSC emulation */
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own_ssn := 142,
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peer_pc := 189, /* 0.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 1
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},
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { 23907, "127.0.0.1", 2905, "127.0.0.1" },
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own_pc := 2, /* 0.0.2 second MSC emulation */
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own_ssn := 142,
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peer_pc := 189, /* 0.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 3
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},
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { 23909, "127.0.0.1", 2905, "127.0.0.1" },
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own_pc := 3, /* 0.0.3 third MSC emulation */
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own_ssn := 142,
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peer_pc := 189, /* 0.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 5
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},
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { 23911, "127.0.0.1", 2905, "127.0.0.1" },
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own_pc := 4, /* 0.0.4 fourth MSC emulation */
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own_ssn := 142,
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peer_pc := 189, /* 0.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 7
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},
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/* SGSNs (NUM_SGSN entries) */
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { /* local */ 23906, "127.0.0.1", /* remote */ 2905, "127.0.0.1" },
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own_pc := 185, /* 0.23.1 first SGSN emulation */
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own_ssn := 142,
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peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 2
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},
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { /* local */ 23908, "127.0.0.1", /* remote */ 2905, "127.0.0.1" },
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own_pc := 10, /* 0.1.2 second SGSN emulation */
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own_ssn := 142,
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peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 4
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},
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { /* local */ 23910, "127.0.0.1", /* remote */ 2905, "127.0.0.1" },
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own_pc := 11, /* 0.1.3 third SGSN emulation */
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own_ssn := 142,
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peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 6
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},
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{
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transport := RANAP_TRANSPORT_IuCS,
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sccp_service_type := "mtp3_itu",
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sctp_addr := { /* local */ 23912, "127.0.0.1", /* remote */ 2905, "127.0.0.1" },
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own_pc := 12, /* 0.1.4 fourth SGSN emulation */
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own_ssn := 142,
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peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */
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peer_ssn := 142,
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sio := '83'O,
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rctx := 8
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}
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};
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boolean mp_enable_pfcp_tests := false;
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/* IP address at which we listen for PFCP to emulate a UPF in ttcn3 */
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charstring mp_pfcp_ip_local := "127.0.0.1";
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/* IP address from which the SUT (osmo-hnbgw) sends PFCP requests, and to which the ttcn3 UPF emulation sends
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* PFCP responses. */
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charstring mp_pfcp_ip_remote := "127.0.0.2";
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boolean mp_validate_talloc_asn1 := true;
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/* The X31 timer configured at osmo-hnbgw (seconds). This provided an idea on
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* minimum time the test must wait to consider this timer triggered */
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integer mp_hnbgw_timer_x31 := 5;
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}
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function MSC_UnitdataCallback(RANAP_PDU ranap) runs on RAN_Emulation_CT return template RANAP_PDU {
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// TODO: Actually implement unitdata handling
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return omit;
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}
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const RanOps MSC_RanOps := {
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ranap_create_cb := refers(RAN_Emulation.RanapExpectedCreateCallback),
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ranap_unitdata_cb := refers(MSC_UnitdataCallback),
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ps_domain := false,
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decode_dtap := false,
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role_ms := false,
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protocol := RAN_PROTOCOL_RANAP,
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transport := RANAP_TRANSPORT_IuCS,
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use_osmux := false,
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bssap_reset_retries := 1,
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sccp_addr_local := omit,
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sccp_addr_peer := omit
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}
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type record CrcxResponse {
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integer resp,
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HostName mgw_rtp_ip,
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PortNumber mgw_rtp_port,
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MgcpConnectionId mgcp_connection_id
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}
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type record MgcpParameters {
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integer got_crcx_count,
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integer got_dlcx_count,
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MgcpCallId mgcp_call_id optional,
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MgcpEndpoint mgcp_ep,
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CrcxResponse mgw_conn_1,
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CrcxResponse mgw_conn_2,
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uint7_t rtp_payload_type,
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charstring rtp_sdp_format,
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HostName hnb_rtp_ip,
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PortNumber hnb_rtp_port,
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HostName cn_rtp_ip,
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PortNumber cn_rtp_port,
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boolean use_osmux,
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integer got_osmux_count
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}
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template (value) MgcpParameters t_MgcpParams := {
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got_crcx_count := 0,
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got_dlcx_count := 0,
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mgcp_call_id := omit,
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mgcp_ep := "rtpbridge/1@mgw",
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mgw_conn_1 := {
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resp := 1,
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mgw_rtp_ip := "127.1.2.1",
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mgw_rtp_port := 10000,
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mgcp_connection_id := '11111'H
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},
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mgw_conn_2 := {
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resp := 1,
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mgw_rtp_ip := "127.1.2.2",
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mgw_rtp_port := 20000,
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mgcp_connection_id := '22222'H
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},
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rtp_payload_type := 112,
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rtp_sdp_format := "VND.3GPP.IUFP",
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hnb_rtp_ip := "127.1.1.1",
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hnb_rtp_port := 10001,
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cn_rtp_ip := "127.1.3.1",
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cn_rtp_port := 20001,
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use_osmux := false,
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got_osmux_count := 0
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}
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type record TestHdlrParams {
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integer hnb_idx,
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/* cn_idx indicates which CN link from g_cn[] to connect to the test component.
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* See also f_cn_idx(). */
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integer cn_idx,
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hexstring imsi,
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boolean ps_domain,
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MgcpParameters mgcp_pars optional,
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HnbConfig hnb optional,
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boolean expect_separate_sccp_cr,
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integer tx_sccp_cr_data_len,
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charstring pfcp_local_addr,
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octetstring nas_pdu optional,
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/* local and remote SCCP addresses, used in TC_mscpool_paging_* */
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SCCP_PAR_Address sccp_addr_msc optional,
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SCCP_PAR_Address sccp_addr_hnbgw optional
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}
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/* We extend:
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* RUA_ConnHdlr (for the Iuh side, emulating the HNB)
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* RAN_ConnHdlr (for the Iu side, emulating the MSC)
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* MGCP_ConnHdlr (for the MGCP side, emulating the MGW)
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*/
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type component ConnHdlr extends RAN_ConnHdlr, MGCP_ConnHdlr, RUA_ConnHdlr, PFCP_ConnHdlr {
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var integer g_sccp_conn_id;
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var TestHdlrParams g_pars;
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timer g_Tguard;
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port TELNETasp_PT HNBGWVTY;
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}
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const MGCPOps MSC_MGCPOps := {
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create_cb := refers(MGCP_Emulation.ExpectedCreateCallback),
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unitdata_cb := refers(MGCP_Emulation.DummyUnitdataCallback)
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}
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function f_create_ranap_exp(octetstring l3_enc) runs on ConnHdlr {
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BSSAP_PROC.call(RAN_register:{l3_enc, self}) {
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[] BSSAP_PROC.getreply(RAN_register:{?, ?}) {};
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}
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}
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const integer NUM_HNB := 2;
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type record HnbConfig {
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LocationAreaIdentification lai,
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integer sac
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}
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type component test_CT extends CTRL_Adapter_CT {
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var boolean g_initialized := false;
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/********************* Iu side */
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var RAN_Adapter g_cn[NUM_MSC + NUM_SGSN];
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/********************* Iuh side */
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var HnbConfig g_hnb_cfg[NUM_HNB];
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var Iuh_Emulation_CT vc_Iuh[NUM_HNB];
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var RUA_Emulation_CT vc_RUA[NUM_HNB];
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port HNBAP_PT HNBAP[NUM_HNB];
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/* Number of HNBs to be used/started by the test */
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var integer g_num_hnbs := NUM_HNB;
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var MGCP_Emulation_CT vc_MGCP;
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port TELNETasp_PT HNBGWVTY;
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/* global test case guard timer (actual timeout value is set in f_init()) */
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timer T_guard := 30.0;
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/* The cnlink type 'msc' or 'sgsn', to be used in CTRL commands to obtain counters */
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var charstring g_ctr_cn_node_name;
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/* Counter state */
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var CounterNameValsList g_ctr_cn;
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}
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/* global altstep for global guard timer; */
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altstep as_Tguard() runs on test_CT {
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[] T_guard.timeout {
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setverdict(fail, "Timeout of T_guard");
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mtc.stop;
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}
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}
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function f_init_vty(charstring id := "foo") runs on test_CT {
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if (HNBGWVTY.checkstate("Mapped")) {
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/* skip initialization if already executed once */
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return;
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}
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map(self:HNBGWVTY, system:HNBGWVTY);
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f_vty_set_prompts(HNBGWVTY);
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f_vty_transceive(HNBGWVTY, "enable");
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}
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function f_init_mgcp(charstring id) runs on test_CT {
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id := id & "-MGCP";
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var MGCPOps ops := {
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create_cb := refers(MGCP_Emulation.ExpectedCreateCallback),
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unitdata_cb := refers(MGCP_Emulation.DummyUnitdataCallback)
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}
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var MGCP_conn_parameters pars := {
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callagent_ip := mp_hnbgw_ip,
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callagent_udp_port := -1,
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mgw_ip := mp_mgw_ip,
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mgw_udp_port := mp_mgw_port,
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multi_conn_mode := false
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}
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vc_MGCP := MGCP_Emulation_CT.create(id);
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map(vc_MGCP:MGCP, system:MGCP_CODEC_PT);
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vc_MGCP.start(MGCP_Emulation.main(ops, pars, id));
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}
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function f_init_pfcp(charstring id) runs on ConnHdlr {
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id := id & "-PFCP";
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var PFCP_Emulation_Cfg pfcp_cfg := {
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pfcp_bind_ip := mp_pfcp_ip_local,
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pfcp_bind_port := PFCP_PORT,
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pfcp_remote_ip := mp_pfcp_ip_remote,
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pfcp_remote_port := PFCP_PORT,
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role := UPF
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};
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vc_PFCP := PFCP_Emulation_CT.create(id) alive;
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connect(self:PFCP, vc_PFCP:CLIENT);
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connect(self:PFCP_PROC, vc_PFCP:CLIENT_PROC);
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vc_PFCP.start(PFCP_Emulation.main(pfcp_cfg));
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}
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function f_init_hnodeb(charstring id, integer hnb_idx, RuaOps rua_ops) runs on test_CT {
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id := id & "-Iuh" & int2str(hnb_idx);
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/* Iuh lower layer (RUA/HNBAP demux) */
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var Iuh_conn_parameters iuh_pars;
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iuh_pars.remote_ip := mp_hnbgw_ip;
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iuh_pars.remote_sctp_port := mp_hnbgw_iuh_port;
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iuh_pars.local_ip := mp_hnodeb_ip;
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iuh_pars.local_sctp_port := mp_hnodeb_port + hnb_idx;
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vc_Iuh[hnb_idx] := Iuh_Emulation_CT.create(id);
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connect(self:HNBAP[hnb_idx], vc_Iuh[hnb_idx]:HNBAP);
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vc_RUA[hnb_idx] := RUA_Emulation_CT.create(id & "-RUA");
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connect(vc_RUA[hnb_idx]:RUA, vc_Iuh[hnb_idx]:RUA);
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/* Start Iuh side components */
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vc_Iuh[hnb_idx].start(Iuh_Emulation.main(iuh_pars, id));
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vc_RUA[hnb_idx].start(RUA_Emulation.main(rua_ops, id & "-RUA"));
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}
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private type record of boolean BooleanList;
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private function f_vty_cnlink_allow_attach(TELNETasp_PT pt, boolean ps_domain, BooleanList allow_attach_list)
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{
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var charstring config := f_vty_transceive_ret(pt, "show running-config");
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var charstring msc_sgsn;
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if (ps_domain) {
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msc_sgsn := "sgsn";
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} else {
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msc_sgsn := "msc";
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}
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f_vty_enter_config(pt);
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for (var integer cn_nr := 0; cn_nr < sizeof(allow_attach_list); cn_nr := cn_nr+1) {
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if (f_strstr(config, "\n" & msc_sgsn & " " & int2str(cn_nr) & "\n") < 0) {
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/* There is no 'msc N' for this cn_nr in the running config, so don't create an empty cn by
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* stepping into that config node. */
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log(msc_sgsn, cn_nr, " is not configured, skipping");
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continue;
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}
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f_vty_transceive(pt, msc_sgsn & " " & int2str(cn_nr));
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if (allow_attach_list[cn_nr]) {
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/* strict := false: ignore if osmo-hnbgw does not support this config option (latest build) */
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f_vty_transceive(pt, "allow-attach", strict := false);
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} else {
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f_vty_transceive(pt, "no allow-attach", strict := false);
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}
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f_vty_transceive(pt, "exit");
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}
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f_vty_transceive(pt, "exit");
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}
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/* Start RAN adapter for CN link N.
|
|
* e.g. link for 'msc 0' = (ps_domain := false, cn_nr := 0)
|
|
* link for 'sgsn 3' = (ps_domain := true, cn_nr := 3)
|
|
*/
|
|
private function f_cn_nr_init(boolean ps_domain, integer cn_nr) runs on test_CT {
|
|
var RanOps ranops := MSC_RanOps;
|
|
ranops.ps_domain := ps_domain;
|
|
var integer cn_idx := f_cn_idx(ps_domain, cn_nr);
|
|
var charstring msc_sgsn := "msc";
|
|
if (ps_domain) {
|
|
msc_sgsn := "sgsn";
|
|
}
|
|
f_ran_adapter_init(g_cn[cn_idx], mp_cn_cfg[cn_idx], "HNBGW_Test." & msc_sgsn & int2str(cn_nr), ranops);
|
|
f_ran_adapter_start(g_cn[cn_idx]);
|
|
}
|
|
|
|
private function f_cn_idx_disconnect(integer cn_idx) runs on test_CT {
|
|
f_ran_adapter_cleanup(g_cn[cn_idx]);
|
|
}
|
|
|
|
/* global initialization function */
|
|
function f_init(charstring id := "HNBGW", float guard_timeout := 30.0, integer nr_msc := 1, integer nr_sgsn := 1,
|
|
boolean start_hnb := true) runs on test_CT {
|
|
|
|
T_guard.start(guard_timeout);
|
|
activate(as_Tguard());
|
|
|
|
/* RUA/RANAP emulation on top of lower-layer Iuh */
|
|
var RuaOps rua_ops := {
|
|
create_cb := refers(IuhRanapCreateCallback),
|
|
unitdata_cb := refers(IuhRanapUnitdataCallback)
|
|
};
|
|
for (var integer i := 0; i < g_num_hnbs; i := i+1) {
|
|
g_hnb_cfg[i] := {
|
|
lai := {
|
|
mcc_mnc := '00F110'H,
|
|
lac := 2342 + i
|
|
},
|
|
sac := 55
|
|
};
|
|
f_init_hnodeb(testcasename(), i, rua_ops);
|
|
}
|
|
|
|
f_init_vty("VirtHNBGW");
|
|
f_ipa_ctrl_start_client(mp_hnbgw_ip, mp_hnbgw_ctrl_port);
|
|
|
|
/* MSC emulation */
|
|
|
|
/* Make sure each MSC's internal state is "DISCONNECTED" at first */
|
|
for (var integer i := 0; i < NUM_MSC; i := i + 1) {
|
|
f_vty_transceive(HNBGWVTY, "msc " & int2str(i) & " ranap reset", strict := false);
|
|
}
|
|
|
|
var BooleanList allow_attach := { false, false, false, false };
|
|
for (var integer i := 0; i < nr_msc; i := i + 1) {
|
|
var integer cn_idx := FIRST_MSC_IDX + i;
|
|
allow_attach[i] := true;
|
|
f_cn_nr_init(ps_domain := false, cn_nr := i);
|
|
}
|
|
/* start the test with exactly all enabled MSCs allowed to attach */
|
|
f_vty_cnlink_allow_attach(HNBGWVTY, false, allow_attach);
|
|
|
|
/* SGSN emulation */
|
|
|
|
/* Make sure each SGSN's internal state is "DISCONNECTED" at first */
|
|
for (var integer i := 0; i < NUM_SGSN; i := i + 1) {
|
|
f_vty_transceive(HNBGWVTY, "sgsn " & int2str(i) & " ranap reset", strict := false);
|
|
}
|
|
|
|
allow_attach := { false, false, false, false };
|
|
for (var integer i := 0; i < nr_sgsn; i := i + 1) {
|
|
var integer cn_idx := FIRST_SGSN_IDX + i;
|
|
allow_attach[i] := true;
|
|
f_cn_nr_init(ps_domain := true, cn_nr := i);
|
|
}
|
|
f_vty_cnlink_allow_attach(HNBGWVTY, true, allow_attach);
|
|
|
|
f_init_mgcp(id);
|
|
|
|
if (start_hnb) {
|
|
f_start_hnbs();
|
|
}
|
|
|
|
/* Sometimes, the RUA InitialUE-Message from a test happens too quickly, before the RANAP RESET from
|
|
* RAN_Emulation is through, after above f_cn_nr_init(). In the pcap it seems to be a matter of 50 ms. Give some
|
|
* grace. */
|
|
f_sleep(1.0);
|
|
}
|
|
|
|
friend function f_shutdown_helper() runs on test_CT {
|
|
if (mp_validate_talloc_asn1) {
|
|
f_verify_talloc_bytes(HNBGWVTY, {"asn1_context"}, 1);
|
|
}
|
|
|
|
all component.stop;
|
|
setverdict(pass);
|
|
mtc.stop;
|
|
}
|
|
|
|
/* helper function to start all of the simulated hNodeBs */
|
|
function f_start_hnbs() runs on test_CT {
|
|
for (var integer i:= 0; i < g_num_hnbs; i := i+1) {
|
|
f_hnbap_register(i, i);
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* code running in test_CT, preparing start of per-UE ConnHdlr
|
|
***********************************************************************/
|
|
|
|
/* inbound RUA connection establishment on Iuh side */
|
|
function IuhRanapCreateCallback(ContextId context_id, RUA_IEs.CN_DomainIndicator domain, charstring id)
|
|
runs on RUA_Emulation_CT return RUA_ConnHdlr {
|
|
log("CreateCallback");
|
|
return null;
|
|
}
|
|
|
|
/* inbound RUA connectionless data on Iuh side */
|
|
function IuhRanapUnitdataCallback(RANAP_PDU ranap)
|
|
runs on RUA_Emulation_CT return template RANAP_PDU {
|
|
log("UnitdataCallback");
|
|
return omit;
|
|
}
|
|
|
|
private function f_start_handler_create(TestHdlrParams pars) runs on test_CT return ConnHdlr {
|
|
var ConnHdlr vc_conn;
|
|
var charstring id := testcasename() & int2str(pars.hnb_idx);
|
|
|
|
vc_conn := ConnHdlr.create(id);
|
|
|
|
/* Iuh RUA part */
|
|
connect(vc_conn:RUA, vc_RUA[pars.hnb_idx]:CLIENT);
|
|
|
|
/* MSC or SGSN */
|
|
connect(vc_conn:BSSAP, g_cn[pars.cn_idx].vc_RAN:CLIENT);
|
|
connect(vc_conn:BSSAP_PROC, g_cn[pars.cn_idx].vc_RAN:PROC);
|
|
|
|
/* MGCP part */
|
|
connect(vc_conn:MGCP, vc_MGCP:MGCP_CLIENT);
|
|
connect(vc_conn:MGCP_PROC, vc_MGCP:MGCP_PROC);
|
|
|
|
return vc_conn;
|
|
}
|
|
|
|
private function f_start_handler_run(ConnHdlr vc_conn, void_fn fn, TestHdlrParams pars) runs on test_CT {
|
|
var charstring id := testcasename(); // & int2str(pars.ran_idx);
|
|
/* We cannot use vc_conn.start(f_init_handler(fn, id, pars)); as we cannot have
|
|
* a stand-alone 'derefers()' call, see https://www.eclipse.org/forums/index.php/t/1091364/ */
|
|
pars.hnb := g_hnb_cfg[pars.hnb_idx];
|
|
pars.mgcp_pars := valueof(t_MgcpParams);
|
|
vc_conn.start(derefers(fn)(id, pars));
|
|
}
|
|
|
|
function f_start_handler_with_pars(void_fn fn, template (value) TestHdlrParams pars)
|
|
runs on test_CT return ConnHdlr {
|
|
var ConnHdlr vc_conn;
|
|
vc_conn := f_start_handler_create(valueof(pars));
|
|
f_start_handler_run(vc_conn, fn, valueof(pars));
|
|
return vc_conn;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* code running inside per-UE ConnHdlr
|
|
***********************************************************************/
|
|
|
|
type function void_fn(charstring id, TestHdlrParams pars) runs on ConnHdlr;
|
|
|
|
function f_init_handler(TestHdlrParams pars, float t_guard := 20.0) runs on ConnHdlr {
|
|
/* make parameters available via component variable */
|
|
g_pars := pars;
|
|
|
|
f_init_pfcp(testcasename());
|
|
|
|
/* start guard timer and activate it as default */
|
|
g_Tguard.start(t_guard);
|
|
activate(as_Tguard_ConnHdlr());
|
|
|
|
map(self:HNBGWVTY, system:HNBGWVTY);
|
|
f_vty_set_prompts(HNBGWVTY);
|
|
f_vty_transceive(HNBGWVTY, "enable");
|
|
|
|
/* TODO: CTRL? */
|
|
|
|
f_sleep(1.0);
|
|
}
|
|
|
|
/* global altstep for global guard timer; */
|
|
private altstep as_Tguard_ConnHdlr() runs on ConnHdlr {
|
|
[] g_Tguard.timeout {
|
|
setverdict(fail, "Timeout of T_guard");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
private function f_bssap_expect(template (present) RANAP_PDU exp_rx) runs on ConnHdlr return RANAP_PDU
|
|
{
|
|
var RANAP_PDU rx;
|
|
timer T := 5.0;
|
|
T.start;
|
|
alt {
|
|
[] BSSAP.receive(exp_rx) -> value rx {
|
|
setverdict(pass);
|
|
}
|
|
[] BSSAP.receive(RANAP_PDU:?) {
|
|
setverdict(fail, "Got an unexpected RANAP message on BSSAP port, was waiting for ", exp_rx);
|
|
mtc.stop;
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for RANAP on BSSAP port: ", exp_rx);
|
|
mtc.stop;
|
|
}
|
|
}
|
|
T.stop;
|
|
return rx;
|
|
}
|
|
|
|
/* send RANAP on Iuh and expect it to show up on Iu */
|
|
function f_iuh2iu(template (present) RANAP_PDU tx, template RANAP_PDU exp_rx := omit)
|
|
runs on ConnHdlr return RANAP_PDU {
|
|
var RANAP_PDU rx;
|
|
timer T := 5.0;
|
|
|
|
if (istemplatekind(exp_rx, "omit")) {
|
|
exp_rx := tx;
|
|
}
|
|
|
|
RUA.send(tx);
|
|
|
|
return f_bssap_expect(exp_rx);
|
|
}
|
|
|
|
/* send RANAP on Iu and expect it to show up on Iuh */
|
|
function f_iu2iuh(template (present) RANAP_PDU tx, template RANAP_PDU exp_rx := omit)
|
|
runs on ConnHdlr return RANAP_PDU {
|
|
if (istemplatekind(exp_rx, "omit")) {
|
|
exp_rx := tx;
|
|
}
|
|
|
|
BSSAP.send(tx);
|
|
|
|
return f_rua_expect(exp_rx)
|
|
}
|
|
|
|
/* expect to receive a specific RUA message on Iuh */
|
|
private function f_rua_expect(template (present) RANAP_PDU exp_rx) runs on ConnHdlr return RANAP_PDU
|
|
{
|
|
var RANAP_PDU rx;
|
|
timer T := 5.0;
|
|
T.start;
|
|
alt {
|
|
[] RUA.receive(exp_rx) -> value rx {
|
|
setverdict(pass);
|
|
}
|
|
[] RUA.receive(RANAP_PDU:?) {
|
|
setverdict(fail, "Got an unexpected RUA message, was waiting for ", exp_rx);
|
|
mtc.stop;
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for Iuh ", exp_rx);
|
|
mtc.stop;
|
|
}
|
|
}
|
|
T.stop;
|
|
return rx;
|
|
}
|
|
|
|
/* send RANAP on Iuh and expect it to show up on Iu */
|
|
function f_iuh2iu_connect(template (present) RANAP_PDU tx, template RANAP_PDU exp_rx := omit)
|
|
runs on ConnHdlr return RANAP_PDU {
|
|
var RANAP_PDU rx;
|
|
timer T := 5.0;
|
|
|
|
if (istemplatekind(exp_rx, "omit")) {
|
|
exp_rx := tx;
|
|
}
|
|
|
|
/* create an expect on the Iu side for the random NAS portion */
|
|
if (g_pars.expect_separate_sccp_cr) {
|
|
f_ran_register_sccp_cr_without_payload();
|
|
} else {
|
|
var template (omit) octetstring nas := f_ranap_extract_l3(valueof(tx));
|
|
f_ran_register_exp(valueof(nas));
|
|
}
|
|
|
|
/* send it via Iuh (creating a RUA connection) */
|
|
RUA.send(RUA_Conn_Req:{g_pars.ps_domain, tx});
|
|
|
|
if (g_pars.expect_separate_sccp_cr) {
|
|
/* Acknowledge the empty SCCP CR. RAN_Emulation does the confirmation, no need to respond. */
|
|
BSSAP.receive(tr_RANAP_Conn_Req());
|
|
}
|
|
|
|
/* expect to receive it on the Iu side */
|
|
return f_bssap_expect(exp_rx);
|
|
}
|
|
|
|
/* 3GPP TS 48.006 9.2 Connection release:
|
|
*
|
|
* The MSC sends a SCCP released message. This message shall not contain
|
|
* any user data field.
|
|
*
|
|
* So what we expect normally is:
|
|
*
|
|
* HNBGW MSC
|
|
* RUA --id-Disconnect-------> | ---Data-Form-1(!)---> | Iu-ReleaseComplete
|
|
* | <--Released---------- | (no data)
|
|
*
|
|
* This function tests osmo-hnbgw behavior if the CN fails to send a RLSD:
|
|
* after some timeout, osmo-hnbgw should send a RLSD to the CN.
|
|
*/
|
|
function f_iuh2iu_disconnect(template (present) RANAP_PDU tx, RUA_IEs.Cause cause,
|
|
template RANAP_PDU exp_rx := omit)
|
|
runs on ConnHdlr return RANAP_PDU {
|
|
var RANAP_PDU rx
|
|
timer T := int2float(mp_hnbgw_timer_x31) + 1.0;
|
|
|
|
if (istemplatekind(exp_rx, "omit")) {
|
|
exp_rx := tx;
|
|
}
|
|
|
|
/* send it via Iuh (creating a RUA connection) */
|
|
RUA.send(RUA_Disc_Req:{tx, cause});
|
|
|
|
/* expect to receive it on the Iu side */
|
|
rx := f_bssap_expect(exp_rx);
|
|
|
|
/* expect disconnect on the Iu side */
|
|
T.start;
|
|
alt {
|
|
[] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND) {
|
|
setverdict(pass);
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for Iu disconnect");
|
|
return rx;
|
|
}
|
|
|
|
}
|
|
return rx;
|
|
}
|
|
|
|
private function f_build_initial_ue_with_nas(TestHdlrParams pars, octetstring nas)
|
|
return RANAP_PDU {
|
|
var LAI lai := {
|
|
pLMNidentity := hex2oct(pars.hnb.lai.mcc_mnc),
|
|
lAC := int2oct(pars.hnb.lai.lac, 2),
|
|
iE_Extensions := omit
|
|
};
|
|
var SAI sai := {
|
|
pLMNidentity := lai.pLMNidentity,
|
|
lAC := lai.lAC,
|
|
sAC := int2oct(pars.hnb.sac, 2),
|
|
iE_Extensions := omit
|
|
}
|
|
var IuSignallingConnectionIdentifier sigc_id := int2bit(f_rnd_int(1000), 24);
|
|
var GlobalRNC_ID grnc_id := {
|
|
pLMNidentity := lai.pLMNidentity,
|
|
rNC_ID := 2342
|
|
}
|
|
var template RANAP_PDU ret;
|
|
if (pars.ps_domain) {
|
|
var RAC rac := '00'O;
|
|
ret := ts_RANAP_initialUE_PS(lai, rac, sai, nas, sigc_id, grnc_id);
|
|
} else {
|
|
ret := ts_RANAP_initialUE_CS(lai, sai, nas, sigc_id, grnc_id);
|
|
}
|
|
return valueof(ret);
|
|
}
|
|
|
|
/* build a RANAP InitialUE based on the TestHdlrParams */
|
|
friend function f_build_initial_ue(TestHdlrParams pars) return RANAP_PDU {
|
|
|
|
var octetstring nas;
|
|
|
|
if (pars.tx_sccp_cr_data_len == 0) {
|
|
nas := f_rnd_octstring(10);
|
|
} else {
|
|
/* The test asks for an exact number of Optional Data bytes. */
|
|
|
|
/* First see what size the RANAP part of the payload data is,
|
|
* to adjust the NAS PDU size to the size requested by the test (pars.tx_sccp_cr_data_len). */
|
|
var RANAP_PDU initial_ue := f_build_initial_ue_with_nas(pars, '00'O);
|
|
|
|
var octetstring ranap_plus_one_byte_nas := enc_RANAP_PDU(initial_ue);
|
|
var integer ranap_length := lengthof(ranap_plus_one_byte_nas) - 1;
|
|
|
|
log("ranap_plus_one_byte_nas = ", lengthof(ranap_plus_one_byte_nas), " bytes, ", initial_ue, " = ",
|
|
ranap_plus_one_byte_nas);
|
|
log("ranap_length = ", ranap_length);
|
|
|
|
/* SCCP CR has a payload length limit of 130 bytes. To trigger this limit, the RANAP + NAS PDU has to be
|
|
* > 130 bytes. It doesn't need to be 131 bytes in the NAS PDU alone, but let's just make it definitely
|
|
* large enough. To test for this limit, pars.tx_sccp_cr_data_len asks for a specific amount of data len. */
|
|
nas := f_rnd_octstring(pars.tx_sccp_cr_data_len - ranap_length);
|
|
}
|
|
|
|
var RANAP_PDU ret := f_build_initial_ue_with_nas(pars, nas);
|
|
|
|
if (pars.tx_sccp_cr_data_len != 0) {
|
|
for (var integer attempts := 0; attempts < 2; attempts := attempts + 1) {
|
|
var octetstring check_len := enc_RANAP_PDU(ret);
|
|
log("final RANAP PDU length = ", lengthof(check_len));
|
|
if (lengthof(check_len) == pars.tx_sccp_cr_data_len) {
|
|
return ret;
|
|
}
|
|
nas := f_rnd_octstring(lengthof(nas) + (pars.tx_sccp_cr_data_len - lengthof(check_len)));
|
|
log("that was off, changed NAS length to ", lengthof(nas), " and trying again");
|
|
ret := f_build_initial_ue_with_nas(pars, nas);
|
|
}
|
|
setverdict(fail, "Ended up with wrong Optional Data length");
|
|
mtc.stop;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* build a RANAP RAB AssignmentResponse based on the TestHdlrParams */
|
|
friend function f_build_rab_ass_resp(TestHdlrParams pars) return RANAP_PDU {
|
|
var template RAB_SetupOrModifiedList rab_sml;
|
|
|
|
rab_sml := ts_RAB_SMdL(t_RAB_id(23), f_ts_RAB_TLA("192.168.1.23"), t_RAB_binding_port(1234));
|
|
|
|
return valueof(ts_RANAP_RabAssResp(rab_sml));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* HNBAP Testing
|
|
***********************************************************************/
|
|
|
|
|
|
function f_hnbap_register(integer hnb_idx := 0, integer cell_id := 0, boolean expect_reject := false) runs on test_CT
|
|
{
|
|
timer T := 2.0;
|
|
|
|
HNBAP[hnb_idx].send(ts_HNBAP_HNBRegisterRequest(char2oct("TTCN3-HNB-" & int2str(hnb_idx)),
|
|
'00F110'O,
|
|
int2bit(1 + cell_id, 28),
|
|
int2oct(2, 2),
|
|
int2oct(3, 1),
|
|
int2oct(4, 2)));
|
|
|
|
T.start;
|
|
alt {
|
|
[] HNBAP[hnb_idx].receive(tr_HNBAP_HNBRegisterAccept(?)) {
|
|
if (expect_reject) {
|
|
setverdict(fail, "Rx HNB Register Accept while expecting reject");
|
|
} else {
|
|
setverdict(pass);
|
|
}
|
|
}
|
|
[] HNBAP[hnb_idx].receive(tr_HNBAP_HNBRegisterReject(?)) {
|
|
if (expect_reject) {
|
|
setverdict(pass);
|
|
} else {
|
|
setverdict(fail, "Rx HNB Register Reject while expecting accept");
|
|
}
|
|
}
|
|
[] HNBAP[hnb_idx].receive(IUHEM_Event:?) {
|
|
repeat;
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for HNB Register response");
|
|
}
|
|
}
|
|
}
|
|
|
|
testcase TC_hnb_register() runs on test_CT {
|
|
g_num_hnbs := 1;
|
|
f_init(start_hnb := false);
|
|
f_hnbap_register(0);
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Try to register the same HNB from 2 different concurrent connections. Second
|
|
* one should be rejected. */
|
|
testcase TC_hnb_register_duplicate() runs on test_CT {
|
|
g_num_hnbs := 2;
|
|
f_init(start_hnb := false);
|
|
f_hnbap_register(0);
|
|
f_hnbap_register(1, 0, expect_reject := true);
|
|
f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1);
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Try to register the same HNB in the same connection already established, aka
|
|
* duplicate HNB Register Request. It should be accepted and new configuration
|
|
* applied. TS 25.469 8.2.4 */
|
|
testcase TC_hnb_register_duplicate_reuse_sctp_assoc() runs on test_CT {
|
|
g_num_hnbs := 1;
|
|
f_init(start_hnb := false);
|
|
f_hnbap_register(0);
|
|
f_hnbap_register(0);
|
|
f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1);
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Drop HNBAP conn (HNBAP DEREG) and reconnect it (HNBAP REG) using same SCTP association.
|
|
* Related: OS#5676, SYS#6113 */
|
|
testcase TC_hnb_reregister_reuse_sctp_assoc() runs on test_CT {
|
|
g_num_hnbs := 1;
|
|
f_init(start_hnb := false);
|
|
f_hnbap_register(0);
|
|
HNBAP[0].send(ts_HNBAP_HNBDe_Register(ts_HnbapCause(unspecified)));
|
|
f_hnbap_register(0);
|
|
f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1);
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RUA / RANAP Testing
|
|
***********************************************************************/
|
|
|
|
/* Translate from {msc,sgsn}x{0..n} to the proper index to use in g_cn[].
|
|
* g_cn[] stores CN links, MSCs and SGSNs in the same array.
|
|
* For example, for 'sgsn 23', use g_cn[ f_cn_idx(ps_domain := true, cn_nr := 23) ].
|
|
*
|
|
* Note the naming:
|
|
* cn_nr is the number used in the cfg file, as in 'msc 0'.
|
|
* cn_idx is the array index in g_cn[].
|
|
*/
|
|
private function f_cn_idx(boolean ps_domain, integer cn_nr := 0) return integer
|
|
{
|
|
if (ps_domain) {
|
|
return FIRST_SGSN_IDX + cn_nr;
|
|
}
|
|
return FIRST_MSC_IDX + cn_nr;
|
|
}
|
|
|
|
private template (value) TestHdlrParams
|
|
t_pars(integer imsi_suffix, boolean ps_domain := false, integer hnb_idx := 0,
|
|
boolean expect_separate_sccp_cr := false, integer tx_sccp_cr_data_len := 0,
|
|
integer cn_nr := 0) := {
|
|
hnb_idx := hnb_idx,
|
|
cn_idx := f_cn_idx(ps_domain, cn_nr),
|
|
imsi := f_gen_imsi(imsi_suffix),
|
|
ps_domain := ps_domain,
|
|
hnb := omit, /* filled in later */
|
|
expect_separate_sccp_cr := expect_separate_sccp_cr,
|
|
tx_sccp_cr_data_len := tx_sccp_cr_data_len,
|
|
pfcp_local_addr := mp_pfcp_ip_local,
|
|
nas_pdu := omit,
|
|
sccp_addr_msc := omit,
|
|
sccp_addr_hnbgw := omit
|
|
}
|
|
|
|
/* Create an Iuh connection; send InitialUE; expect it to appear on new SCCP conenction */
|
|
friend function f_tc_initial_ue(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
f_init_handler(pars);
|
|
var RANAP_PDU tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
}
|
|
testcase TC_ranap_cs_initial_ue() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(1));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
testcase TC_ranap_ps_initial_ue() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(2, true));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
private function f_vty_set_sccp_max_optional_data(TELNETasp_PT pt, integer val := -1)
|
|
{
|
|
var charstring valstr;
|
|
if (val < 0) {
|
|
valstr := "standard";
|
|
} else {
|
|
valstr := int2str(val);
|
|
}
|
|
f_vty_enter_config(pt);
|
|
f_vty_transceive(pt, "cs7 instance 0");
|
|
f_vty_transceive(pt, "sccp max-optional-data " & valstr);
|
|
f_vty_transceive(pt, "end");
|
|
}
|
|
|
|
testcase TC_ranap_cs_initial_ue_empty_cr() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
f_vty_set_sccp_max_optional_data(HNBGWVTY, 0);
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(1, expect_separate_sccp_cr := true));
|
|
vc_conn.done;
|
|
|
|
/* reset */
|
|
f_vty_set_sccp_max_optional_data(HNBGWVTY);
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
testcase TC_ranap_ps_initial_ue_empty_cr() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
f_vty_set_sccp_max_optional_data(HNBGWVTY, 0);
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(2, true, expect_separate_sccp_cr := true));
|
|
vc_conn.done;
|
|
|
|
/* reset */
|
|
f_vty_set_sccp_max_optional_data(HNBGWVTY);
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
type record Testdata_CR_Limit {
|
|
integer data_len,
|
|
integer max_optional_data,
|
|
boolean expect_separate_sccp_cr
|
|
};
|
|
type record of Testdata_CR_Limit Testdata_CR_Limits;
|
|
|
|
testcase TC_sccp_cr_limit() runs on test_CT {
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
const Testdata_CR_Limits tests := {
|
|
{ data_len := 130, max_optional_data := -1, expect_separate_sccp_cr := false },
|
|
{ data_len := 131, max_optional_data := -1, expect_separate_sccp_cr := true },
|
|
|
|
{ data_len := 100, max_optional_data := 100, expect_separate_sccp_cr := false },
|
|
{ data_len := 101, max_optional_data := 100, expect_separate_sccp_cr := true },
|
|
|
|
{ data_len := 200, max_optional_data := 200, expect_separate_sccp_cr := false },
|
|
{ data_len := 201, max_optional_data := 200, expect_separate_sccp_cr := true }
|
|
};
|
|
|
|
var integer csps;
|
|
for (csps := 0; csps < 2; csps := csps + 1) {
|
|
var boolean ps_domain := (csps > 0);
|
|
|
|
var integer i;
|
|
for (i := 0; i < lengthof(tests); i := i + 1) {
|
|
var Testdata_CR_Limit t := tests[i];
|
|
f_logp(HNBGWVTY,
|
|
"TEST PART TC_sccp_cr_limit ps_domain=" & f_bool2str(ps_domain)
|
|
& " data_len=" & int2str(t.data_len)
|
|
& " max_optional_data=" & int2str(t.max_optional_data)
|
|
& " expect_separate_sccp_cr=" & f_bool2str(t.expect_separate_sccp_cr)
|
|
);
|
|
|
|
f_vty_set_sccp_max_optional_data(HNBGWVTY, t.max_optional_data);
|
|
var ConnHdlr vc_conn;
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue),
|
|
t_pars(100 + i,
|
|
ps_domain := ps_domain,
|
|
expect_separate_sccp_cr := t.expect_separate_sccp_cr,
|
|
tx_sccp_cr_data_len := t.data_len));
|
|
vc_conn.done;
|
|
}
|
|
}
|
|
|
|
/* reset */
|
|
f_vty_set_sccp_max_optional_data(HNBGWVTY);
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Reply to a received CRCX with an OK (or the reply configured in cpars), using the given parameters.
|
|
* Return true when an OK reply was sent, false otherwise.
|
|
* Count occurrence of Osmux, include Osmux parameters in the reply if necessary. */
|
|
function f_handle_crcx(inout MgcpParameters pars, MgcpCommand mgcp_cmd) return template MgcpResponse {
|
|
var CrcxResponse conn := pars.mgw_conn_1;
|
|
if (pars.got_crcx_count > 0) {
|
|
conn := pars.mgw_conn_2;
|
|
}
|
|
pars.got_crcx_count := pars.got_crcx_count + 1;
|
|
|
|
var MgcpMessage mgcp_msg := {
|
|
command := mgcp_cmd
|
|
}
|
|
var template MgcpResponse mgcp_resp;
|
|
var MgcpOsmuxCID osmux_cid;
|
|
var MgcpCallId call_id := f_MgcpCmd_extract_call_id(mgcp_cmd);
|
|
if (ispresent(pars.mgcp_call_id)) {
|
|
if (pars.mgcp_call_id != call_id) {
|
|
setverdict(fail, "CRCX contained unexpected call id. Expected:", pars.mgcp_call_id, " got:", call_id);
|
|
mtc.stop;
|
|
}
|
|
} else {
|
|
pars.mgcp_call_id := call_id;
|
|
}
|
|
|
|
/* When the endpoint contains a wildcard we keep the endpoint
|
|
* identifier we have set up in pars. Otherwise we use the
|
|
* endpoint name that the call agent has supplied */
|
|
if (match(mgcp_cmd.line.ep, t_MGCP_EP_wildcard) == false) {
|
|
pars.mgcp_ep := mgcp_cmd.line.ep;
|
|
}
|
|
|
|
if (conn.resp == -1) {
|
|
/* Reply with rror */
|
|
var MgcpResponse mgcp_rsp := {
|
|
line := {
|
|
code := "542",
|
|
trans_id := mgcp_cmd.line.trans_id,
|
|
string := "FORCED_FAIL"
|
|
},
|
|
sdp := omit
|
|
|
|
}
|
|
var MgcpParameter mgcp_rsp_param := {
|
|
code := "Z",
|
|
val := pars.mgcp_ep
|
|
};
|
|
mgcp_rsp.params[0] := mgcp_rsp_param;
|
|
return mgcp_rsp;
|
|
}
|
|
|
|
if (conn.resp == 0) {
|
|
/* Do not reply at all */
|
|
return omit;
|
|
}
|
|
|
|
if (conn.resp != 1) {
|
|
setverdict(fail, "Unexpected value for pars.mgw_conn_*.resp, expect -1, 0 or 1");
|
|
mtc.stop;
|
|
}
|
|
|
|
var SDP_Message sdp := valueof(ts_SDP(conn.mgw_rtp_ip, conn.mgw_rtp_ip,
|
|
hex2str(pars.mgcp_call_id), "42",
|
|
conn.mgw_rtp_port,
|
|
{ int2str(pars.rtp_payload_type) },
|
|
{ valueof(ts_SDP_rtpmap(pars.rtp_payload_type,
|
|
pars.rtp_sdp_format)),
|
|
valueof(ts_SDP_ptime(20)) }));
|
|
|
|
if (f_mgcp_contains_par(mgcp_msg, "X-OSMUX")) {
|
|
if (not pars.use_osmux) {
|
|
setverdict(fail, "MSC sent X-Osmux parameter in MGCP, but not expecting any Osmux");
|
|
mtc.stop;
|
|
}
|
|
pars.got_osmux_count := pars.got_osmux_count + 1;
|
|
/* we expect MSC to use wildcard here, i.e. osmux_cid == -1 */
|
|
osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd);
|
|
log("f_handle_crcx(): got Osmux CID: ", osmux_cid);
|
|
if (osmux_cid != -1) {
|
|
setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != -1");
|
|
mtc.stop;
|
|
}
|
|
|
|
osmux_cid := 0;
|
|
mgcp_resp := ts_CRCX_ACK_osmux(mgcp_cmd.line.trans_id, conn.mgcp_connection_id, osmux_cid, sdp);
|
|
} else {
|
|
mgcp_resp := ts_CRCX_ACK(mgcp_cmd.line.trans_id, conn.mgcp_connection_id, sdp);
|
|
}
|
|
|
|
f_mgcp_par_append(mgcp_resp.params, ts_MgcpParSpecEP(pars.mgcp_ep));
|
|
|
|
return mgcp_resp;
|
|
}
|
|
|
|
friend function f_create_rab(inout MgcpParameters pars) runs on ConnHdlr {
|
|
f_rab_ass_req(pars);
|
|
f_rab_ass_resp(pars);
|
|
}
|
|
|
|
friend function f_rab_ass_req(inout MgcpParameters pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
var RANAP_PDU tx;
|
|
var template RAB_SetupOrModifyList rab_sml;
|
|
timer T := 5.0;
|
|
|
|
/* Send RAB Assignment Request */
|
|
rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(pars.cn_rtp_ip), t_RAB_binding_port(pars.cn_rtp_port));
|
|
tx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
BSSAP.send(tx);
|
|
T.start;
|
|
|
|
/* Handle MGCP CRCX */
|
|
alt {
|
|
[] MGCP.receive(tr_CRCX) -> value mgcp_cmd {
|
|
log("CRCX1", mgcp_cmd);
|
|
var template MgcpResponse mgcp_rsp := f_handle_crcx(pars, mgcp_cmd);
|
|
MGCP.send(valueof(mgcp_rsp));
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for MGCP");
|
|
}
|
|
}
|
|
T.stop;
|
|
|
|
/* Expect RAB Assignment Request with IP/port from CRCX ACK via Iuh */
|
|
rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(pars.mgw_conn_1.mgw_rtp_ip), t_RAB_binding_port(pars.mgw_conn_1.mgw_rtp_port));
|
|
tx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
|
|
f_rua_expect(tx);
|
|
}
|
|
|
|
friend function f_rab_ass_resp(inout MgcpParameters pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
var RANAP_PDU tx;
|
|
var template RAB_SetupOrModifiedList rab_smdl;
|
|
|
|
/* Send back RAB Assignment Response via Iuh */
|
|
rab_smdl := ts_RAB_SMdL(t_RAB_id(23), f_ts_RAB_TLA(pars.hnb_rtp_ip), t_RAB_binding_port(pars.hnb_rtp_port));
|
|
tx := valueof(ts_RANAP_RabAssResp(rab_smdl));
|
|
RUA.send(tx);
|
|
|
|
interleave {
|
|
/* Expect MDCX with IP/port from RAB Assignment Response */
|
|
[] MGCP.receive(tr_MDCX(tr_SDP(pars.hnb_rtp_ip, pars.hnb_rtp_port))) -> value mgcp_cmd {
|
|
log("MDCX1", mgcp_cmd);
|
|
/* Verify SDP of MDCX */
|
|
var SDP_Message sdp := valueof(ts_SDP(pars.mgw_conn_1.mgw_rtp_ip, pars.mgw_conn_1.mgw_rtp_ip, hex2str(pars.mgcp_call_id), "42", pars.mgw_conn_1.mgw_rtp_port,
|
|
{ int2str(pars.rtp_payload_type) }, { valueof(ts_SDP_rtpmap(pars.rtp_payload_type, pars.rtp_sdp_format)), valueof(ts_SDP_ptime(20)) } ));
|
|
var template MgcpResponse mgcp_rsp := ts_MDCX_ACK(mgcp_cmd.line.trans_id, pars.mgw_conn_1.mgcp_connection_id, sdp);
|
|
MGCP.send(valueof(mgcp_rsp));
|
|
}
|
|
/* Handle CRCX for second leg of endpoint, answer with IP/port */
|
|
[] MGCP.receive(tr_CRCX(pars.mgcp_ep, tr_SDP(pars.cn_rtp_ip, pars.cn_rtp_port))) -> value mgcp_cmd {
|
|
log("CRCX2", mgcp_cmd);
|
|
/* Verify SDP of CRCX */
|
|
var template MgcpResponse mgcp_rsp := f_handle_crcx(pars, mgcp_cmd);
|
|
MGCP.send(valueof(mgcp_rsp));
|
|
}
|
|
}
|
|
|
|
/* Expect RAB Assignment Response with IP/port from second CRCX ACK */
|
|
rab_smdl := ts_RAB_SMdL(t_RAB_id(23), f_ts_RAB_TLA(pars.mgw_conn_2.mgw_rtp_ip), t_RAB_binding_port(pars.mgw_conn_2.mgw_rtp_port));
|
|
tx := valueof(ts_RANAP_RabAssResp(rab_smdl));
|
|
|
|
f_bssap_expect(tx);
|
|
}
|
|
|
|
private altstep as_mgcp_dlcx(inout TestHdlrParams pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
|
|
[] MGCP.receive(tr_DLCX(pars.mgcp_pars.mgcp_ep)) -> value mgcp_cmd {
|
|
log("DLCX", mgcp_cmd);
|
|
MGCP.send(ts_DLCX_ACK2(mgcp_cmd.line.trans_id));
|
|
pars.mgcp_pars.got_dlcx_count := pars.mgcp_pars.got_dlcx_count + 1;
|
|
if (pars.mgcp_pars.got_dlcx_count != pars.mgcp_pars.got_crcx_count) {
|
|
repeat;
|
|
}
|
|
setverdict(pass);
|
|
}
|
|
}
|
|
|
|
friend function f_tc_rab_assignment(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
var RANAP_PDU tx;
|
|
timer T := 5.0;
|
|
|
|
f_init_handler(pars);
|
|
f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
|
|
|
|
tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
|
|
f_create_rab(pars.mgcp_pars);
|
|
|
|
/* Send Iu Release */
|
|
tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention));
|
|
f_iu2iuh(tx);
|
|
|
|
T.start;
|
|
alt {
|
|
[] as_mgcp_dlcx(pars) {}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for DLCX");
|
|
}
|
|
}
|
|
|
|
tx := valueof(ts_RANAP_IuReleaseComplete());
|
|
f_iuh2iu(tx);
|
|
}
|
|
|
|
testcase TC_rab_assignment() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assignment), t_pars(3));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
friend function f_tc_rab_assign_fail(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
var RANAP_PDU tx;
|
|
timer T := 5.0;
|
|
|
|
f_init_handler(pars);
|
|
f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
|
|
|
|
tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
|
|
f_rab_ass_req(pars.mgcp_pars);
|
|
|
|
/* Send RAB failed list in response */
|
|
tx := valueof(ts_RANAP_RabAssResp(rab_fl := ts_RAB_FL(t_RAB_id(23), ts_RanapCause_om_intervention)));
|
|
f_iuh2iu(tx);
|
|
|
|
T.start;
|
|
alt {
|
|
[] as_mgcp_dlcx(pars) {}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for DLCX");
|
|
}
|
|
}
|
|
}
|
|
|
|
testcase TC_rab_assign_fail() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assign_fail), t_pars(4));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
friend function f_tc_rab_release(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
var RANAP_PDU tx;
|
|
timer T := 15.0;
|
|
|
|
f_init_handler(pars);
|
|
f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
|
|
|
|
tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
|
|
f_create_rab(pars.mgcp_pars);
|
|
|
|
/* Send RAB Release */
|
|
tx := valueof(ts_RANAP_RabAssReq(rab_rl := ts_RAB_RL(t_RAB_id(23), ts_RanapCause_om_intervention)));
|
|
BSSAP.send(tx);
|
|
|
|
T.start;
|
|
|
|
alt {
|
|
[] as_mgcp_dlcx(pars) {}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for DLCX");
|
|
}
|
|
}
|
|
T.stop;
|
|
|
|
f_rua_expect(tx);
|
|
}
|
|
|
|
testcase TC_rab_release() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_rab_release), t_pars(5));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
friend function f_tc_rab_assign_mgcp_to(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
var MgcpCommand mgcp_cmd;
|
|
var RANAP_PDU tx;
|
|
var template RAB_SetupOrModifyList rab_sml;
|
|
timer T := 15.0;
|
|
|
|
T.start;
|
|
f_init_handler(pars);
|
|
f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
|
|
|
|
tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
|
|
|
|
/* Send RAB Assignment Request */
|
|
rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(pars.mgcp_pars.cn_rtp_ip), t_RAB_binding_port(pars.mgcp_pars.cn_rtp_port));
|
|
tx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
BSSAP.send(tx);
|
|
|
|
/* Ignore MGCP CRCX */
|
|
alt {
|
|
[] MGCP.receive(tr_CRCX) -> value mgcp_cmd {
|
|
log("Ignoreing CRCX1", mgcp_cmd);
|
|
repeat;
|
|
}
|
|
[] BSSAP.receive(tr_RANAP_IuReleaseRequest(?)) { }
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for IuRelease");
|
|
}
|
|
}
|
|
|
|
/* Send Iu Release */
|
|
tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention));
|
|
f_iu2iuh(tx);
|
|
|
|
tx := valueof(ts_RANAP_IuReleaseComplete());
|
|
f_iuh2iu(tx);
|
|
}
|
|
|
|
testcase TC_rab_assign_mgcp_to() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assign_mgcp_to), t_pars(6));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Create an Iuh connection; send InitialUE; transceive data both directions */
|
|
friend function f_tc_ranap_bidir(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
f_init_handler(pars);
|
|
|
|
/* HNB -> MSC: InitialUE */
|
|
f_iuh2iu_connect(f_build_initial_ue(g_pars));
|
|
|
|
/* MSC <- HNB: DirectTransfer */
|
|
f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10)));
|
|
/* MSC -> HNB: DirectTransfer */
|
|
f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10)));
|
|
|
|
/* HNB <- MSC: CommonID */
|
|
f_iu2iuh(ts_RANAP_CommonId(hex2oct(pars.imsi)));
|
|
}
|
|
testcase TC_ranap_cs_bidir() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_bidir), t_pars(3));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
testcase TC_ranap_ps_bidir() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_bidir), t_pars(4, true));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
|
|
private function f_tc_ranap_mo_disconnect(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
f_init_handler(pars);
|
|
|
|
/* HNB -> MSC: InitialUE */
|
|
f_iuh2iu_connect(f_build_initial_ue(g_pars));
|
|
|
|
/* MSC <- HNB: DirectTransfer */
|
|
f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10)));
|
|
/* MSC -> HNB: DirectTransfer */
|
|
f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10)));
|
|
|
|
/* MSC <- HNB: RUA disconnect */
|
|
f_iuh2iu_disconnect(ts_RANAP_IuReleaseComplete, RUA_IEs.Cause:{misc:=processing_overload});
|
|
}
|
|
testcase TC_ranap_cs_mo_disconnect() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_mo_disconnect), t_pars(5));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
testcase TC_ranap_ps_mo_disconnect() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_mo_disconnect), t_pars(6));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
type record FTeid {
|
|
HostName addr,
|
|
OCT4 teid
|
|
}
|
|
|
|
type record FTeids {
|
|
FTeid local,
|
|
FTeid remote
|
|
}
|
|
|
|
|
|
/* 'local' and 'remote' refer to the GTP information from the UPF's point of view:
|
|
* HNB UPF CN
|
|
* access.remote <---> access.local | core.local <---> core.remote
|
|
*/
|
|
type record GtpParameters {
|
|
FTeids core,
|
|
FTeids access
|
|
}
|
|
|
|
/* HNB UPF CN
|
|
* access.remote <---> access.local | core.local <---> core.remote
|
|
* 127.0.0.4 127.0.0.3 127.0.0.2 127.0.0.1
|
|
* 0x44004400 0x30303030 0x22002200 0x10101010
|
|
*/
|
|
template GtpParameters t_GtpParameters := {
|
|
core := {
|
|
local := {
|
|
addr := "127.0.0.2",
|
|
teid := '22002200'O
|
|
},
|
|
remote := {
|
|
addr := "127.0.0.1",
|
|
teid := '10101010'O
|
|
}
|
|
},
|
|
access := {
|
|
local := {
|
|
addr := "127.0.0.3",
|
|
teid := '30303030'O
|
|
},
|
|
remote := {
|
|
addr := "127.0.0.4",
|
|
teid := '44004400'O
|
|
}
|
|
}
|
|
}
|
|
|
|
private function f_pfcp_expect(template (present) PDU_PFCP exp_rx, float wait_time := 5.0) runs on ConnHdlr return PDU_PFCP
|
|
{
|
|
var PDU_PFCP rx;
|
|
timer T := wait_time;
|
|
T.start;
|
|
alt {
|
|
[] PFCP.receive(exp_rx) -> value rx {
|
|
setverdict(pass);
|
|
}
|
|
[] PFCP.receive(PDU_PFCP:?) {
|
|
setverdict(fail, "Got an unexpected PFCP message, was waiting for ", exp_rx);
|
|
mtc.stop;
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for PFCP ", exp_rx);
|
|
mtc.stop;
|
|
}
|
|
}
|
|
T.stop;
|
|
return rx;
|
|
}
|
|
|
|
friend function f_tc_ps_rab_assignment_with_pfcp(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
var RANAP_PDU tx;
|
|
var RANAP_PDU rx;
|
|
|
|
f_init_handler(pars);
|
|
|
|
f_pfcp_register();
|
|
|
|
var PDU_PFCP m;
|
|
var Node_ID upf_node_id := valueof(ts_PFCP_Node_ID_fqdn("\07osmocom\03org"));
|
|
|
|
m := f_pfcp_expect(tr_PFCP_Assoc_Setup_Req(), wait_time := 15.0);
|
|
PFCP.send(ts_PFCP_Assoc_Setup_Resp(m.sequence_number, upf_node_id,
|
|
ts_PFCP_Cause(REQUEST_ACCEPTED), 1234));
|
|
|
|
tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
|
|
var GtpParameters gtp_pars := valueof(t_GtpParameters);
|
|
var template RAB_SetupOrModifyList rab_sml;
|
|
|
|
/* Send RAB Assignment Request */
|
|
rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.remote.addr), gtp_pars.core.remote.teid);
|
|
tx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
BSSAP.send(tx);
|
|
|
|
/* Expect PFCP Session Establishment Request. */
|
|
m := f_pfcp_expect(tr_PFCP_Session_Est_Req());
|
|
var F_SEID hnbgw_f_seid := m.message_body.pfcp_session_establishment_request.CP_F_SEID;
|
|
var PFCP_Session_Establishment_Request serq := m.message_body.pfcp_session_establishment_request;
|
|
|
|
/* Acting as UPF, invent a new PFCP SEID to send to HNBGW. Respond to the Session Establishment.
|
|
* The PFCP response must have the same sequence_number as the request. */
|
|
var F_SEID up_f_seid := valueof(ts_PFCP_F_SEID_ipv4(f_inet_addr("127.0.0.1"), '1111111111111111'O));
|
|
var template PDU_PFCP r := ts_PFCP_Session_Est_Resp(m.sequence_number, upf_node_id, hnbgw_f_seid.seid);
|
|
r.message_body.pfcp_session_establishment_response := {
|
|
offending_ie := omit,
|
|
UP_F_SEID := up_f_seid,
|
|
created_PDR_list := {
|
|
ts_PFCP_Created_PDR(pdr_id := serq.create_PDR_list[0].grouped_ie.pdr_id,
|
|
local_F_TEID := ts_PFCP_F_TEID_ipv4(gtp_pars.core.local.teid,
|
|
f_inet_addr(gtp_pars.core.local.addr))),
|
|
ts_PFCP_Created_PDR(pdr_id := serq.create_PDR_list[1].grouped_ie.pdr_id,
|
|
local_F_TEID := ts_PFCP_F_TEID_ipv4(gtp_pars.access.local.teid,
|
|
f_inet_addr(gtp_pars.access.local.addr)))
|
|
},
|
|
load_control_information := omit,
|
|
overload_control_information := omit,
|
|
node_list := omit,
|
|
failed_rule_id := omit,
|
|
created_traffic_endpoint_list := omit
|
|
};
|
|
PFCP.send(r);
|
|
|
|
/* Expect on Iuh: RAB Assignment Request with IP/port from PFCP Session Est Resp */
|
|
rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.local.addr),
|
|
gtp_pars.access.local.teid);
|
|
rx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
f_rua_expect(rx);
|
|
|
|
/* Send back RAB Assignment Response via Iuh */
|
|
var template RAB_SetupOrModifiedList rab_smdl;
|
|
rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.remote.addr),
|
|
gtp_pars.access.remote.teid);
|
|
tx := valueof(ts_RANAP_RabAssResp(rab_smdl));
|
|
RUA.send(tx);
|
|
|
|
m := f_pfcp_expect(tr_PFCP_Session_Mod_Req(up_f_seid.seid));
|
|
r := ts_PFCP_Session_Mod_Resp(m.sequence_number, hnbgw_f_seid.seid);
|
|
PFCP.send(r);
|
|
|
|
rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.local.addr), gtp_pars.core.local.teid);
|
|
f_bssap_expect(tr_RANAP_RabAssResp(rab_smdl));
|
|
|
|
f_sleep(2.0);
|
|
tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention));
|
|
f_iu2iuh(tx);
|
|
|
|
tx := valueof(ts_RANAP_IuReleaseComplete());
|
|
f_iuh2iu(tx);
|
|
|
|
m := f_pfcp_expect(tr_PFCP_Session_Del_Req(up_f_seid.seid));
|
|
PFCP.send(ts_PFCP_Session_Del_Resp(m.sequence_number, hnbgw_f_seid.seid));
|
|
|
|
f_sleep(2.0);
|
|
}
|
|
|
|
testcase TC_ps_rab_assignment_with_pfcp() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
f_sleep(1.0);
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment_with_pfcp), t_pars(7, ps_domain := true));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
altstep as_disallow_pfcp() runs on ConnHdlr {
|
|
[] PFCP.receive(PDU_PFCP:?) {
|
|
setverdict(fail, "Received PFCP message, but no PFCP communication expected");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
friend function f_tc_ps_rab_assignment_without_pfcp(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
var RANAP_PDU tx;
|
|
var RANAP_PDU rx;
|
|
timer T := 5.0;
|
|
|
|
f_init_handler(pars);
|
|
|
|
f_pfcp_register();
|
|
activate(as_disallow_pfcp());
|
|
|
|
tx := f_build_initial_ue(g_pars);
|
|
f_iuh2iu_connect(tx);
|
|
|
|
var GtpParameters gtp_pars := valueof(t_GtpParameters);
|
|
var template RAB_SetupOrModifyList rab_sml;
|
|
|
|
/* Send RAB Assignment Request */
|
|
rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.remote.addr), gtp_pars.core.remote.teid);
|
|
tx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
BSSAP.send(tx);
|
|
|
|
/* Expect on Iuh: unmodified RAB Assignment Request */
|
|
rx := valueof(ts_RANAP_RabAssReq(rab_sml));
|
|
f_rua_expect(rx);
|
|
|
|
/* Send back RAB Assignment Response via Iuh */
|
|
var template RAB_SetupOrModifiedList rab_smdl;
|
|
rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.remote.addr),
|
|
gtp_pars.access.remote.teid);
|
|
tx := valueof(ts_RANAP_RabAssResp(rab_smdl));
|
|
RUA.send(tx);
|
|
|
|
/* Expect on IuPS: unmodified RAB Assignment Response */
|
|
f_bssap_expect(tr_RANAP_RabAssResp(rab_smdl));
|
|
|
|
f_sleep(2.0);
|
|
tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention));
|
|
f_iu2iuh(tx);
|
|
|
|
tx := valueof(ts_RANAP_IuReleaseComplete());
|
|
f_iuh2iu(tx);
|
|
|
|
f_sleep(2.0);
|
|
}
|
|
|
|
testcase TC_ps_rab_assignment_without_pfcp() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
f_init();
|
|
f_sleep(1.0);
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment_without_pfcp), t_pars(7, ps_domain := true));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Default list of counters for a 'cn' entity to test the cnpool feature. */
|
|
const CounterNameVals counternames_cnpool := {
|
|
{ "cnpool:subscr:new", 0 },
|
|
{ "cnpool:subscr:known", 0 },
|
|
{ "cnpool:subscr:reattach", 0 },
|
|
{ "cnpool:subscr:attach_lost", 0 },
|
|
{ "cnpool:subscr:paged", 0 }
|
|
};
|
|
private function f_ctrs_cn_init(boolean ps_domain, integer cn_count := 0,
|
|
CounterNameVals counternames := counternames_cnpool) runs on test_CT {
|
|
if (ps_domain) {
|
|
g_ctr_cn_node_name := "sgsn";
|
|
if (cn_count == 0) {
|
|
cn_count := NUM_SGSN;
|
|
}
|
|
} else {
|
|
g_ctr_cn_node_name := "msc";
|
|
if (cn_count == 0) {
|
|
cn_count := NUM_MSC;
|
|
}
|
|
}
|
|
g_ctr_cn := f_counter_name_vals_get_n(IPA_CTRL, g_ctr_cn_node_name, cn_count, counternames);
|
|
log("initial " & g_ctr_cn_node_name & " rate counters: ", g_ctr_cn);
|
|
}
|
|
|
|
/* f_ctrs_cn_init();
|
|
* f_do_thing(on_cn := 0);
|
|
* f_do_thing(on_cn := 0);
|
|
* f_do_other(on_cn := 1);
|
|
* f_ctrs_cn_add(0, "thing", 2);
|
|
* f_ctrs_cn_add(1, "other");
|
|
* f_ctrs_cn_verify();
|
|
*/
|
|
private function f_ctrs_cn_verify() runs on test_CT {
|
|
log("verifying", g_ctr_cn_node_name, " rate counters: ", g_ctr_cn);
|
|
f_counter_name_vals_expect_n(IPA_CTRL, g_ctr_cn_node_name, g_ctr_cn);
|
|
}
|
|
|
|
/* convenience: f_ctrs_cn_add() and f_ctrs_cn_verify() in one call.
|
|
* f_ctrs_cn_init();
|
|
* f_do_thing(on_cn := 0);
|
|
* f_do_thing(on_cn := 0);
|
|
* f_do_thing(on_cn := 0);
|
|
* f_ctrs_cn_expect(0, "thing", 3);
|
|
*/
|
|
private function f_ctrs_cn_expect(integer cn_nr, charstring countername, integer val := 1) runs on test_CT {
|
|
f_ctrs_cn_add(cn_nr, countername, val);
|
|
f_ctrs_cn_verify();
|
|
}
|
|
|
|
private function f_ctrs_cn_add(integer cn_nr, charstring countername, integer val := 1) runs on test_CT {
|
|
f_counter_name_vals_list_add(g_ctr_cn, cn_nr, countername, val);
|
|
}
|
|
|
|
private function f_perform_compl_l3(octetstring nas, boolean do_clear := true, boolean expect_iu_l3 := true)
|
|
runs on ConnHdlr {
|
|
timer T := 10.0;
|
|
|
|
/* create an expect on the Iu side for the random NAS portion */
|
|
if (g_pars.expect_separate_sccp_cr) {
|
|
f_ran_register_sccp_cr_without_payload();
|
|
} else {
|
|
f_ran_register_exp(nas);
|
|
}
|
|
|
|
/* send Connect via Iuh (creating a RUA connection) */
|
|
var RANAP_PDU tx := f_build_initial_ue_with_nas(g_pars, nas);
|
|
RUA.send(RUA_Conn_Req:{g_pars.ps_domain, tx});
|
|
|
|
if (expect_iu_l3) {
|
|
/* Expect same message to arrive at CN */
|
|
f_bssap_expect(tx);
|
|
}
|
|
}
|
|
|
|
private function f_tc_cnpool_compl_l3(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
f_init_handler(pars);
|
|
f_perform_compl_l3(g_pars.nas_pdu);
|
|
}
|
|
|
|
private function f_TC_cnpool_compl_l3(boolean ps_domain, octetstring nas_pdu, integer cn_nr,
|
|
template (omit) charstring inc_countername := omit) runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
var template (value) TestHdlrParams pars := t_pars(0, ps_domain := ps_domain, cn_nr := cn_nr);
|
|
pars.nas_pdu := nas_pdu;
|
|
log("XXX ", pars);
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_cnpool_compl_l3), pars);
|
|
vc_conn.done;
|
|
|
|
if (not istemplatekind(inc_countername, "omit")) {
|
|
f_ctrs_cn_expect(cn_nr, valueof(inc_countername));
|
|
}
|
|
}
|
|
|
|
function f_TC_cnpool_compl_l3_list(boolean ps_domain, ro_octetstring compl3, Osmocom_Types.ro_integer cn_nrs,
|
|
charstring inc_countername) runs on test_CT {
|
|
var integer n := lengthof(compl3);
|
|
if (n < lengthof(cn_nrs)) {
|
|
n := lengthof(cn_nrs);
|
|
}
|
|
for (var integer i := 0; i < n; i := i + 1) {
|
|
var integer cn_nr := cn_nrs[i mod lengthof(cn_nrs)];
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[i mod lengthof(compl3)], cn_nr, inc_countername);
|
|
}
|
|
}
|
|
|
|
type enumerated Compl3Type {
|
|
/* CS */
|
|
LU,
|
|
CMSERV,
|
|
PAGRESP,
|
|
IMSIDETACH,
|
|
|
|
/* PS */
|
|
ATTACHREQ,
|
|
RAUREQ,
|
|
DETREQ
|
|
};
|
|
|
|
private function f_gen_one_compl_l3(Compl3Type compl3type, template (value) MobileIdentityLV mi,
|
|
integer ps_nri := -1
|
|
) return octetstring
|
|
{
|
|
/* CS */
|
|
if (compl3type == LU) {
|
|
return enc_PDU_ML3_MS_NW(valueof(ts_LU_REQ(LU_Type_IMSI_Attach, valueof(mi), '00F110'O)));
|
|
}
|
|
if (compl3type == CMSERV) {
|
|
return enc_PDU_ML3_MS_NW(valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, valueof(mi))));
|
|
}
|
|
if (compl3type == PAGRESP) {
|
|
return enc_PDU_ML3_MS_NW(valueof(ts_PAG_RESP(valueof(mi))));
|
|
}
|
|
if (compl3type == IMSIDETACH) {
|
|
return enc_PDU_ML3_MS_NW(valueof(ts_ML3_MO_MM_IMSI_DET_Ind(valueof(mi))));
|
|
}
|
|
|
|
/* PS */
|
|
var template (omit) NetworkResourceIdentifierContainerTLV nri := omit;
|
|
if (ps_nri >= 0) {
|
|
nri := valueof(ts_GMM_NRI(ps_nri));
|
|
}
|
|
|
|
if (compl3type == ATTACHREQ) {
|
|
return enc_PDU_L3_MS_SGSN(valueof(ts_GMM_ATTACH_REQ(valueof(mi), f_RAI('001'H, '01'H, '2a2a'O, '17'O),
|
|
nri := nri)));
|
|
}
|
|
if (compl3type == RAUREQ) {
|
|
return enc_PDU_L3_MS_SGSN(valueof(ts_GMM_RAU_REQ(valueof(mi), GPRS_UPD_T_PERIODIC,
|
|
f_RAI('001'H, '01'H, '2a2a'O, '17'O),
|
|
nri := nri)));
|
|
}
|
|
if (compl3type == DETREQ) {
|
|
return enc_PDU_L3_MS_SGSN(valueof(ts_GMM_DET_REQ_MO_mi(c_GMM_DTT_MO_GPRS, power_off := false,
|
|
p_tmsi := valueof(ts_MI_TLV(mi.mobileIdentityV)))));
|
|
}
|
|
|
|
setverdict(fail, "unknown complete layer 3 type");
|
|
mtc.stop;
|
|
}
|
|
|
|
type record of Compl3Type ro_Compl3Type;
|
|
type record of MobileIdentityLV ro_MobileIdentityLV;
|
|
type record of octetstring ro_octetstring;
|
|
|
|
/* Generate a list of n Complete Layer 3 NAS PDUs,
|
|
* rotating through the message kinds listed in 'types' and the mobile identities in mis.
|
|
*/
|
|
private function f_gen_compl_l3(ro_Compl3Type types, ro_MobileIdentityLV mis, integer n) return ro_octetstring
|
|
{
|
|
var ro_octetstring res := {};
|
|
for (var integer i := 0; i < n; i := i + 1) {
|
|
var integer ti := i mod lengthof(types);
|
|
var integer mi := i mod lengthof(mis);
|
|
res[i] := f_gen_one_compl_l3(types[ti], mis[mi]);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
private function f_gen_mi_imsi(integer n) return MobileIdentityLV
|
|
{
|
|
return valueof(ts_MI_IMSI_LV(f_gen_imsi(n)));
|
|
}
|
|
|
|
private function f_gen_mi_imsis(integer n) return ro_MobileIdentityLV
|
|
{
|
|
var ro_MobileIdentityLV mis := {};
|
|
for (var integer i := 0; i < n; i := i + 1) {
|
|
mis[i] := f_gen_mi_imsi(n);
|
|
}
|
|
return mis;
|
|
}
|
|
|
|
function f_vty_set_roundrobin_next(TELNETasp_PT VTY, boolean ps_domain, integer cn_nr)
|
|
{
|
|
var charstring msc_sgsn;
|
|
if (ps_domain) {
|
|
msc_sgsn := "sgsn";
|
|
} else {
|
|
msc_sgsn := "msc";
|
|
}
|
|
f_vty_transceive(VTY, "cnpool roundrobin next " & msc_sgsn & " " & int2str(cn_nr));
|
|
}
|
|
|
|
private function f_gen_compl3_by_domain(boolean ps_domain, integer n, template (omit) ro_MobileIdentityLV mis := omit) return ro_octetstring{
|
|
var ro_Compl3Type types;
|
|
if (ps_domain) {
|
|
types := { ATTACHREQ, RAUREQ, DETREQ };
|
|
} else {
|
|
types := { LU, CMSERV, PAGRESP, IMSIDETACH };
|
|
}
|
|
if (istemplatekind(mis, "omit")) {
|
|
mis := f_gen_mi_imsis(n);
|
|
}
|
|
return f_gen_compl_l3(types, valueof(mis), n);
|
|
}
|
|
|
|
/* Various Complete Layer 3 by IMSI all end up with the first MSC, because the other MSCs are not connected. */
|
|
testcase TC_mscpool_L3Compl_on_1_cnlink() runs on test_CT {
|
|
f_TC_cnpool_L3Compl_on_1_cnlink(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_L3Compl_on_1_cnlink() runs on test_CT {
|
|
f_TC_cnpool_L3Compl_on_1_cnlink(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_L3Compl_on_1_cnlink(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init();
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 4);
|
|
f_TC_cnpool_compl_l3_list(ps_domain, compl3, {0, 0, 0, 0}, "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Three Layer 3 Complete by IMSI are round-robin'ed across two connected MSCs */
|
|
testcase TC_mscpool_L3Complete_by_imsi_round_robin() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_by_imsi_round_robin(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_L3Complete_no_nri_round_robin() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_by_imsi_round_robin(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_L3Complete_by_imsi_round_robin(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init(nr_msc := 2, nr_sgsn := 2);
|
|
f_sleep(1.0);
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3);
|
|
|
|
f_TC_cnpool_compl_l3_list(ps_domain, compl3,
|
|
/* Third Complete Layer 3 wraps back to msc 0 */
|
|
cn_nrs := {0, 1, 0},
|
|
inc_countername := "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Three LU by TMSI are round-robin'ed across two connected MSCs, because they contain a NULL-NRI (0, 1)
|
|
* (configured in osmo-hnbgw.cfg). */
|
|
testcase TC_mscpool_LU_by_tmsi_null_nri_0_round_robin() runs on test_CT {
|
|
f_TC_cnpool_LU_by_tmsi_null_nri_N_round_robin(ps_domain := false, nri_val := 0);
|
|
}
|
|
/* For NRI == 1, one of the MSC also has the NULL-NRI as part of its owned NRIs, but the NULL-NRI setting is stronger
|
|
* than that. */
|
|
testcase TC_mscpool_LU_by_tmsi_null_nri_1_round_robin() runs on test_CT {
|
|
f_TC_cnpool_LU_by_tmsi_null_nri_N_round_robin(ps_domain := false, nri_val := 1);
|
|
}
|
|
function f_TC_cnpool_LU_by_tmsi_null_nri_N_round_robin(boolean ps_domain, integer nri_val) runs on test_CT {
|
|
|
|
f_init(nr_msc := 2, nr_sgsn := 2);
|
|
f_sleep(1.0);
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(nri_val)) };
|
|
var ro_octetstring compl3;
|
|
if (ps_domain) {
|
|
compl3 := {
|
|
f_gen_one_compl_l3(ATTACHREQ, mis[0], nri_val)
|
|
};
|
|
} else {
|
|
compl3 := f_gen_compl_l3({LU}, mis, 1);
|
|
}
|
|
|
|
f_TC_cnpool_compl_l3_list(ps_domain, compl3,
|
|
/* The third Complete Layer 3 wraps back to msc 0 */
|
|
{0, 1, 0},
|
|
"cnpool:subscr:reattach");
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Three Layer 3 Complete by TMSI are round-robin'ed across two connected MSCs, because they contain an NRI not
|
|
* assigned to any MSC (configured in osmo-hnbgw.cfg). */
|
|
testcase TC_mscpool_L3Complete_by_tmsi_unassigned_nri_round_robin() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_by_tmsi_unassigned_nri_round_robin(ps_domain := false);
|
|
}
|
|
function f_TC_cnpool_L3Complete_by_tmsi_unassigned_nri_round_robin(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init(nr_msc := 2, nr_sgsn := 2);
|
|
f_sleep(1.0);
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
/* 3 NRIs that are not assigned to any MSC */
|
|
var ro_MobileIdentityLV mis := {
|
|
valueof(ts_MI_TMSI_NRI_LV(1000)),
|
|
valueof(ts_MI_TMSI_NRI_LV(768)),
|
|
valueof(ts_MI_TMSI_NRI_LV(819))
|
|
};
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis);
|
|
f_TC_cnpool_compl_l3_list(ps_domain, compl3, { 0, 1, 0 }, "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Three Layer 3 Complete by TMSI are round-robin'ed across two connected MSCs, because they contain an NRI
|
|
* assigned to a CN link that is currently not connected (configured in osmo-hnbgw.cfg). */
|
|
testcase TC_mscpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin(ps_domain := false);
|
|
}
|
|
function f_TC_cnpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init(nr_msc := 2, nr_sgsn := 2);
|
|
f_sleep(1.0);
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
/* 3 NRIs that are assigned to an unconnected MSC */
|
|
var ro_MobileIdentityLV mis := {
|
|
valueof(ts_MI_TMSI_NRI_LV(512)),
|
|
valueof(ts_MI_TMSI_NRI_LV(767)),
|
|
valueof(ts_MI_TMSI_NRI_LV(750))
|
|
};
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis);
|
|
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0);
|
|
f_ctrs_cn_add(2, "cnpool:subscr:attach_lost");
|
|
f_ctrs_cn_add(0, "cnpool:subscr:new");
|
|
f_ctrs_cn_verify();
|
|
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 1);
|
|
f_ctrs_cn_add(2, "cnpool:subscr:attach_lost");
|
|
f_ctrs_cn_add(1, "cnpool:subscr:new");
|
|
f_ctrs_cn_verify();
|
|
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 0);
|
|
f_ctrs_cn_add(2, "cnpool:subscr:attach_lost");
|
|
f_ctrs_cn_add(0, "cnpool:subscr:new");
|
|
f_ctrs_cn_verify();
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Three Layer 3 Complete by TMSI with valid NRI for the second MSC are all directed to the second MSC (configured in
|
|
* osmo-hnbgw.cfg). */
|
|
testcase TC_mscpool_L3Complete_by_tmsi_valid_nri_1() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_valid_nri_1(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_L3Complete_valid_nri_1() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_valid_nri_1(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_L3Complete_valid_nri_1(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init(nr_msc := 2, nr_sgsn := 2);
|
|
f_sleep(1.0);
|
|
|
|
/* All TMSIs in this test point at the second MSC, set the round robin to point at the first MSC to make sure
|
|
* this is not using round-robin. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_octetstring compl3;
|
|
|
|
/* 3 NRIs of the second MSC's range (256-511) */
|
|
var ro_MobileIdentityLV mis := {
|
|
valueof(ts_MI_TMSI_NRI_LV(256)),
|
|
valueof(ts_MI_TMSI_NRI_LV(260)),
|
|
valueof(ts_MI_TMSI_NRI_LV(511))
|
|
};
|
|
if (ps_domain) {
|
|
compl3 := {
|
|
f_gen_one_compl_l3(RAUREQ, mis[0], 256),
|
|
f_gen_one_compl_l3(RAUREQ, mis[1], 260),
|
|
f_gen_one_compl_l3(RAUREQ, mis[2], 511)
|
|
};
|
|
} else {
|
|
compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis);
|
|
}
|
|
|
|
f_TC_cnpool_compl_l3_list(ps_domain, compl3, {1, 1, 1}, "cnpool:subscr:known");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Layer 3 Complete by TMSI with valid NRI for the third MSC are directed to the third MSC (configured in osmo-hnbgw.cfg),
|
|
* while a round-robin remains unaffected by that. */
|
|
testcase TC_mscpool_L3Complete_by_tmsi_valid_nri_2() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_valid_nri_2(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_L3Complete_valid_nri_2() runs on test_CT {
|
|
f_TC_cnpool_L3Complete_valid_nri_2(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_L3Complete_valid_nri_2(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init(nr_msc := 3, nr_sgsn := 3);
|
|
f_sleep(1.0);
|
|
|
|
/* All TMSIs in this test point at the third MSC, set the round robin to point at the second MSC to make sure
|
|
* this is not using round-robin. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 1);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_octetstring compl3;
|
|
|
|
/* 2 NRIs of the third MSC's range (512-767) */
|
|
var ro_MobileIdentityLV mis := {
|
|
valueof(ts_MI_TMSI_NRI_LV(512)),
|
|
valueof(ts_MI_TMSI_NRI_LV(678))
|
|
};
|
|
if (ps_domain) {
|
|
compl3 := {
|
|
f_gen_one_compl_l3(ATTACHREQ, mis[0], 512),
|
|
f_gen_one_compl_l3(ATTACHREQ, mis[1], 678)
|
|
};
|
|
} else {
|
|
compl3 := f_gen_compl3_by_domain(ps_domain, 2, mis);
|
|
}
|
|
|
|
f_TC_cnpool_compl_l3_list(ps_domain, compl3, {2, 2}, "cnpool:subscr:known");
|
|
|
|
/* The above forwardings to third MSC have not affected the round robin, which still points at the second MSC */
|
|
f_TC_cnpool_compl_l3_list(ps_domain, f_gen_compl3_by_domain(ps_domain, 1), {1}, "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* LU with a TMSI but indicating a different PLMN in its previous LAI: ignore the NRI. */
|
|
testcase TC_mscpool_LU_by_tmsi_from_other_PLMN() runs on test_CT {
|
|
f_TC_cnpool_nri_from_other_PLMN(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_nri_from_other_PLMN() runs on test_CT {
|
|
f_TC_cnpool_nri_from_other_PLMN(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_nri_from_other_PLMN(boolean ps_domain) runs on test_CT {
|
|
|
|
f_init(nr_msc := 3, nr_sgsn := 3);
|
|
f_sleep(1.0);
|
|
|
|
/* The TMSIs in this test points at the second MSC, but since it is from a different PLMN, round-robin is used
|
|
* instead, and hits msc 0. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_octetstring compl3;
|
|
|
|
var ro_MobileIdentityLV mis := {
|
|
valueof(ts_MI_TMSI_NRI_LV(260)),
|
|
valueof(ts_MI_TMSI_NRI_LV(555))
|
|
};
|
|
if (ps_domain) {
|
|
compl3 := {
|
|
/* An NRI of the second MSC's range (256-511), but a PLMN that doesn't match with osmo-hnbgw.cfg */
|
|
enc_PDU_L3_MS_SGSN(valueof(ts_GMM_ATTACH_REQ(mis[0], f_RAI('999'H, '99'H, '2a2a'O,
|
|
'17'O),
|
|
nri := ts_GMM_NRI(260)
|
|
))),
|
|
/* An NRI of the third MSC's range (512-767) and a matching PLMN gets directed by NRI. */
|
|
f_gen_one_compl_l3(ATTACHREQ, mis[1], 555)
|
|
}
|
|
} else {
|
|
compl3 := {
|
|
/* An NRI of the second MSC's range (256-511), but a PLMN that doesn't match with osmo-hnbgw.cfg */
|
|
enc_PDU_ML3_MS_NW(valueof(ts_LU_REQ(LU_Type_IMSI_Attach, mis[0], '99F999'O))),
|
|
/* An NRI of the third MSC's range (512-767) and a matching PLMN gets directed by NRI. */
|
|
enc_PDU_ML3_MS_NW(valueof(ts_LU_REQ(LU_Type_IMSI_Attach, mis[1], '00F110'O)))
|
|
};
|
|
}
|
|
|
|
/* Foreign NRI: roundrobin */
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new");
|
|
|
|
/* Local NRI: matching msc */
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 2, inc_countername := "cnpool:subscr:known");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Make sure that whichever MSC paged a subscriber will also get the Paging Response. Page by IMSI, which would be
|
|
* round-robined to another MSC, to make sure the Paging->Response relation is stronger than the NRI->MSC mapping. */
|
|
friend function f_tc_mscpool_paging_imsi(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
f_init_handler(pars);
|
|
|
|
var hexstring imsi := '001010000000123'H;
|
|
var RANAP_IEs.CN_DomainIndicator domain_ind;
|
|
if (pars.ps_domain) {
|
|
domain_ind := ps_domain;
|
|
} else {
|
|
domain_ind := cs_domain;
|
|
}
|
|
var template (value) RANAP_PDU paging := ts_RANAP_Paging(domain_ind, imsi_hex2oct(imsi));
|
|
BSSAP.send(ts_RANAP_UNITDATA_req(pars.sccp_addr_hnbgw, pars.sccp_addr_msc, paging));
|
|
/* TODO: Expect RUA ConnectionlessTransfer Paging (on all HNB).
|
|
* We could verify the Paging sent from osmo-hnbgw to RUA with some effort,
|
|
* but, this test does not care whether the Paging was forwarded to RUA or not, only that osmo-hnbgw *received*
|
|
* the Paging. In the CN pool decisions, osmo-hnbgw should match up Paging Response to an earlier Paging.
|
|
*/
|
|
|
|
f_sleep(1.0);
|
|
|
|
/* Despite the round robin pointing at the second MSC ('roundrobin next msc 1'), the earlier Paging for the same IMSI
|
|
* causes this Paging Response to go to the first MSC ('msc 0'). */
|
|
f_perform_compl_l3(f_gen_one_compl_l3(PAGRESP, ts_MI_IMSI_LV(imsi)));
|
|
f_sleep(1.0);
|
|
}
|
|
|
|
testcase TC_mscpool_paging_imsi() runs on test_CT {
|
|
f_init(nr_msc := 3);
|
|
f_sleep(1.0);
|
|
|
|
var boolean ps_domain := false;
|
|
|
|
/* Testing a Paging on the first MSC to get a Paging Response back to the first MSC. Set round robin to the
|
|
* second MSC to make sure we're getting the Paging logic, not a coincidental round robin match. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ConnHdlr vc_conn1;
|
|
var template (value) TestHdlrParams pars1 := t_pars(0, ps_domain := ps_domain, cn_nr := 0);
|
|
pars1.sccp_addr_hnbgw := g_cn[valueof(pars1.cn_idx)].sccp_addr_peer;
|
|
pars1.sccp_addr_msc := g_cn[valueof(pars1.cn_idx)].sccp_addr_own;
|
|
vc_conn1 := f_start_handler_with_pars(refers(f_tc_mscpool_paging_imsi), pars1);
|
|
vc_conn1.done;
|
|
f_ctrs_cn_expect(0, "cnpool:subscr:paged");
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* Make sure that whichever MSC paged a subscriber will also get the Paging Response. Page by TMSI with an NRI value
|
|
* that matches a different MSC, to make sure the Paging->Response relation is stronger than the NRI->MSC mapping. */
|
|
friend function f_tc_mscpool_paging_tmsi(charstring id, TestHdlrParams pars) runs on ConnHdlr {
|
|
f_init_handler(pars);
|
|
|
|
var hexstring imsi := '001010000000124'H;
|
|
var integer nri_v := 300; /* <-- second MSC's NRI */
|
|
var octetstring tmsi := f_gen_tmsi(suffix := 0, nri_v := nri_v);
|
|
|
|
var RANAP_IEs.CN_DomainIndicator domain_ind;
|
|
if (pars.ps_domain) {
|
|
domain_ind := ps_domain;
|
|
} else {
|
|
domain_ind := cs_domain;
|
|
}
|
|
var template (value) RANAP_PDU paging := ts_RANAP_Paging_temp_id(domain_ind, imsi_hex2oct(imsi),
|
|
ts_RANAP_TemporaryUE_ID_TMSI(tmsi));
|
|
BSSAP.send(ts_RANAP_UNITDATA_req(pars.sccp_addr_hnbgw, pars.sccp_addr_msc, paging));
|
|
/* TODO: Expect RUA ConnectionlessTransfer Paging (on all HNB).
|
|
* We could verify the Paging sent from osmo-hnbgw to RUA with some effort,
|
|
* but, this test does not care whether the Paging was forwarded to RUA or not, only that osmo-hnbgw *received*
|
|
* the Paging. In the CN pool decisions, osmo-hnbgw should match up Paging Response to an earlier Paging.
|
|
*/
|
|
|
|
f_sleep(1.0);
|
|
|
|
/* Despite the round robin pointing at the third MSC ('roundrobin next msc 2'), the earlier Paging for the same
|
|
* TMSI causes this Paging Response to go to the first MSC ('msc 0'). */
|
|
f_perform_compl_l3(f_gen_one_compl_l3(PAGRESP, ts_MI_TMSI_NRI_LV(nri_v)));
|
|
f_sleep(1.0);
|
|
}
|
|
testcase TC_mscpool_paging_tmsi() runs on test_CT {
|
|
f_init(nr_msc := 3);
|
|
f_sleep(1.0);
|
|
|
|
var boolean ps_domain := false;
|
|
|
|
/* Testing a Paging on the first MSC to get a Paging Response back to the first MSC. Set round robin to the
|
|
* third MSC to make sure we're getting the Paging logic, not a coincidental round robin match. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ConnHdlr vc_conn1;
|
|
var template (value) TestHdlrParams pars1 := t_pars(0, ps_domain := ps_domain, cn_nr := 0);
|
|
pars1.sccp_addr_hnbgw := g_cn[valueof(pars1.cn_idx)].sccp_addr_peer;
|
|
pars1.sccp_addr_msc := g_cn[valueof(pars1.cn_idx)].sccp_addr_own;
|
|
vc_conn1 := f_start_handler_with_pars(refers(f_tc_mscpool_paging_tmsi), pars1);
|
|
vc_conn1.done;
|
|
f_ctrs_cn_expect(0, "cnpool:subscr:paged");
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* For round-robin, skip a CN link that has 'no allow-attach' set. */
|
|
testcase TC_mscpool_no_allow_attach_round_robin() runs on test_CT {
|
|
|
|
f_init(nr_msc := 3);
|
|
f_sleep(1.0);
|
|
|
|
var boolean ps_domain := false;
|
|
|
|
/* Mark the second MSC as offloading, round-robin should skip this MSC now. */
|
|
f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, {true, false, true});
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
f_TC_cnpool_compl_l3_list(ps_domain, f_gen_compl3_by_domain(ps_domain, 3),
|
|
/* msc 1 is skipped */
|
|
{0, 2, 0},
|
|
"cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* An MSC that has 'no allow-attach' set should still serve subscribers that are already attached according to their
|
|
* TMSI NRI. */
|
|
testcase TC_mscpool_no_allow_attach_valid_nri() runs on test_CT {
|
|
|
|
f_init(nr_msc := 3);
|
|
f_sleep(1.0);
|
|
|
|
var boolean ps_domain := false;
|
|
|
|
/* Mark the second MSC as offloading, round-robin should skip this MSC now. */
|
|
f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, {true, false, true});
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_MobileIdentityLV mis := {
|
|
valueof(ts_MI_TMSI_NRI_LV(260)),
|
|
valueof(ts_MI_IMSI_LV('001010000000002'H)),
|
|
valueof(ts_MI_IMSI_LV('001010000000003'H))
|
|
};
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis);
|
|
|
|
/* Round robin points at msc 0, but the valid NRI directs to msc 1, even though msc 1 has 'no allow-attach'. */
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 1, inc_countername := "cnpool:subscr:known");
|
|
|
|
/* Normal round robin skips msc 1, because it has 'no allow-attach' */
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 0, inc_countername := "cnpool:subscr:new");
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 2, inc_countername := "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* When a peer point-code gets an SCCP N-PCSTATE saying it is unreachable, immediately mark the CN link as unusable. */
|
|
testcase TC_mscpool_sccp_n_pcstate_detaches_cnlink() runs on test_CT {
|
|
f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_sccp_n_pcstate_detaches_cnlink() runs on test_CT {
|
|
f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(boolean ps_domain) runs on test_CT
|
|
{
|
|
|
|
f_init(nr_msc := 2, nr_sgsn := 2);
|
|
f_sleep(1.0);
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3);
|
|
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new");
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 1, inc_countername := "cnpool:subscr:new");
|
|
|
|
f_logp(HNBGWVTY, "disconnecting msc0");
|
|
f_cn_idx_disconnect(f_cn_idx(ps_domain, 0));
|
|
|
|
/* Now round-robin would wrap to the first MSC, but since the first MSC is disconnected, it wraps around to the
|
|
* second. */
|
|
f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 1, inc_countername := "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
/* When a CN link point-code gets an SCCP N-PCSTATE saying it is now reachable, immediately trigger RESET and bring up the
|
|
* MSC. */
|
|
testcase TC_mscpool_sccp_n_pcstate_attaches_cnlink() runs on test_CT {
|
|
f_TC_cnpool_sccp_n_pcstate_attaches_cnlink(ps_domain := false);
|
|
}
|
|
testcase TC_sgsnpool_sccp_n_pcstate_attaches_cnlink() runs on test_CT {
|
|
f_TC_cnpool_sccp_n_pcstate_attaches_cnlink(ps_domain := true);
|
|
}
|
|
function f_TC_cnpool_sccp_n_pcstate_attaches_cnlink(boolean ps_domain) runs on test_CT
|
|
{
|
|
f_init(nr_msc := 1, nr_sgsn := 1);
|
|
f_sleep(1.0);
|
|
|
|
/* Control which MSC gets chosen next by the round-robin, otherwise
|
|
* would be randomly affected by which other tests ran before this. */
|
|
f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0);
|
|
|
|
var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3);
|
|
|
|
f_ctrs_cn_init(ps_domain := ps_domain);
|
|
|
|
/* There is only one MSC, round robin stays on msc0 */
|
|
f_TC_cnpool_compl_l3(ps_domain := ps_domain, nas_pdu := compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new");
|
|
f_TC_cnpool_compl_l3(ps_domain := ps_domain, nas_pdu := compl3[1], cn_nr := 0, inc_countername := "cnpool:subscr:new");
|
|
|
|
f_logp(HNBGWVTY, "connecting cnlink 1");
|
|
f_cn_nr_init(ps_domain, 1);
|
|
f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, { true, true });
|
|
f_sleep(1.0);
|
|
|
|
/* This time round-robin wraps to the second MSC, because it is now online. */
|
|
f_TC_cnpool_compl_l3(ps_domain := ps_domain, nas_pdu := compl3[2], cn_nr := 1, inc_countername := "cnpool:subscr:new");
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
private function f_vty_add_sccp_addr(TELNETasp_PT pt, charstring addr_name, charstring pc, integer cs7_nr := 0)
|
|
{
|
|
f_vty_enter_config(pt);
|
|
f_vty_transceive(pt, "cs7 instance 0");
|
|
f_vty_transceive(pt, "sccp-address " & addr_name);
|
|
f_vty_transceive(pt, "point-code " & pc);
|
|
f_vty_transceive(pt, "end");
|
|
}
|
|
|
|
private function f_vty_set_cnlink_addr(TELNETasp_PT pt, charstring cnlink_and_nr, charstring addr_name)
|
|
{
|
|
f_vty_enter_config(pt);
|
|
f_vty_transceive(pt, cnlink_and_nr);
|
|
f_vty_transceive(pt, "remote-addr " & addr_name);
|
|
f_vty_transceive(pt, "end");
|
|
}
|
|
|
|
private function f_vty_apply_sccp(TELNETasp_PT pt)
|
|
{
|
|
f_vty_enter_config(pt);
|
|
f_vty_transceive(pt, "apply sccp");
|
|
f_vty_transceive(pt, "end");
|
|
}
|
|
|
|
template (present) RUA_Disc_Req tr_RUA_Disc_Req := {
|
|
ranap := ?,
|
|
cause := ?
|
|
};
|
|
|
|
/* With a cnlink up, change the SCCP address, and verify that it restarts upon vty 'apply sccp' */
|
|
private function f_tc_apply_sccp(charstring id, TestHdlrParams pars) runs on ConnHdlr
|
|
{
|
|
f_init_handler(pars);
|
|
f_perform_compl_l3(f_gen_compl3_by_domain(pars.ps_domain, 1)[0]);
|
|
|
|
f_sleep(1.0);
|
|
f_logp(HNBGWVTY, "Changing SCCP address, don't apply yet");
|
|
|
|
f_vty_add_sccp_addr(HNBGWVTY, "msc-foo", "0.42.4");
|
|
f_vty_set_cnlink_addr(HNBGWVTY, "msc 0", "msc-foo");
|
|
|
|
/* No effect yet, link still open both ways */
|
|
f_sleep(1.0);
|
|
f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10)));
|
|
f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10)));
|
|
|
|
f_logp(HNBGWVTY, "Apply SCCP address changes");
|
|
f_vty_apply_sccp(HNBGWVTY);
|
|
|
|
/* We modified the SCCP configuration, expect disconnect of UE that was active on the aborted link. */
|
|
RUA.receive(RUA_Disc_Ind:?);
|
|
BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND);
|
|
|
|
/* Would be nice to test reconnection on the other point-code, too. That would require another cnlink in
|
|
* osmo-stp.cfg and module parameters... */
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f_sleep(1.0);
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}
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testcase TC_apply_sccp() runs on test_CT
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{
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f_init();
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f_sleep(1.0);
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var ConnHdlr vc_conn;
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var template (value) TestHdlrParams pars := t_pars(0);
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vc_conn := f_start_handler_with_pars(refers(f_tc_apply_sccp), pars);
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vc_conn.done;
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f_shutdown_helper();
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}
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/* In the field, we encountered a "normal" RAB Assignment that concludes successfully, followed by another RAB
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* Assignment that has different SDU subflow parameters, and does not contain RTP information. At the time of writing,
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* it seems that the second RAB Assignment causes a crash. Play through this scenario. */
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friend function f_tc_second_rab_assignment(charstring id, TestHdlrParams pars) runs on ConnHdlr {
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var MgcpCommand mgcp_cmd;
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var RANAP_PDU tx;
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timer T := 5.0;
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f_init_handler(pars);
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f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
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tx := f_build_initial_ue(g_pars);
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f_iuh2iu_connect(tx);
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|
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f_create_rab(pars.mgcp_pars);
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|
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/* Now send a second RAB Assignment with different subflows and omitting transportLayerInformation. (Assuming
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* the first RAB Assignment's transportLayerInformation remains in use unchanged.) */
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var template RAB_SetupOrModifyList rab_sml;
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rab_sml := ts_RAB_SML2(t_RAB_id(23),
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ts_RabParams,
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user_plane_info := omit,
|
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transport_layer_info := omit);
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tx := valueof(ts_RANAP_RabAssReq(rab_sml));
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BSSAP.send(tx);
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T.start;
|
|
|
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/* Expect this secondary RAB Assignment to go through unchanged. */
|
|
f_rua_expect(tx);
|
|
|
|
/* I'm guessing that the RAB Assignment Response also omits transportLayerInformation, so far not known because
|
|
* osmo-hnbgw crashed before we could receive the response. */
|
|
|
|
/* Send back RAB Assignment Response via Iuh */
|
|
var template RAB_SetupOrModifiedList rab_smdl;
|
|
rab_smdl := ts_RAB_SMdL_no_tla(t_RAB_id(23));
|
|
tx := valueof(ts_RANAP_RabAssResp(rab_smdl));
|
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RUA.send(tx);
|
|
f_bssap_expect(tx);
|
|
|
|
/* Send Iu Release */
|
|
tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention));
|
|
f_iu2iuh(tx);
|
|
|
|
T.start;
|
|
alt {
|
|
[] as_mgcp_dlcx(pars) {}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for DLCX");
|
|
}
|
|
}
|
|
|
|
tx := valueof(ts_RANAP_IuReleaseComplete());
|
|
f_iuh2iu(tx);
|
|
}
|
|
|
|
testcase TC_second_rab_assignment() runs on test_CT {
|
|
var ConnHdlr vc_conn;
|
|
g_num_hnbs := 1;
|
|
f_init();
|
|
|
|
vc_conn := f_start_handler_with_pars(refers(f_tc_second_rab_assignment), t_pars(3));
|
|
vc_conn.done;
|
|
|
|
f_shutdown_helper();
|
|
}
|
|
|
|
control {
|
|
execute(TC_hnb_register());
|
|
execute(TC_hnb_register_duplicate());
|
|
execute(TC_hnb_register_duplicate_reuse_sctp_assoc());
|
|
execute(TC_ranap_cs_initial_ue());
|
|
execute(TC_ranap_ps_initial_ue());
|
|
execute(TC_ranap_cs_initial_ue_empty_cr());
|
|
execute(TC_ranap_ps_initial_ue_empty_cr());
|
|
execute(TC_ranap_cs_bidir());
|
|
execute(TC_ranap_ps_bidir());
|
|
execute(TC_rab_assignment());
|
|
execute(TC_rab_release());
|
|
execute(TC_rab_assign_fail());
|
|
execute(TC_rab_assign_mgcp_to());
|
|
execute(TC_ranap_cs_mo_disconnect());
|
|
execute(TC_ranap_ps_mo_disconnect());
|
|
|
|
if (mp_enable_pfcp_tests) {
|
|
execute(TC_ps_rab_assignment_with_pfcp());
|
|
} else {
|
|
execute(TC_ps_rab_assignment_without_pfcp());
|
|
}
|
|
|
|
execute( TC_mscpool_L3Compl_on_1_cnlink() );
|
|
execute( TC_mscpool_L3Complete_by_imsi_round_robin() );
|
|
execute( TC_mscpool_LU_by_tmsi_null_nri_0_round_robin() );
|
|
execute( TC_mscpool_LU_by_tmsi_null_nri_1_round_robin() );
|
|
execute( TC_mscpool_L3Complete_by_tmsi_unassigned_nri_round_robin() );
|
|
execute( TC_mscpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin() );
|
|
execute( TC_mscpool_L3Complete_by_tmsi_valid_nri_1() );
|
|
execute( TC_mscpool_L3Complete_by_tmsi_valid_nri_2() );
|
|
execute( TC_mscpool_LU_by_tmsi_from_other_PLMN() );
|
|
execute( TC_mscpool_paging_imsi() );
|
|
execute( TC_mscpool_paging_tmsi() );
|
|
execute( TC_mscpool_no_allow_attach_round_robin() );
|
|
execute( TC_mscpool_no_allow_attach_valid_nri() );
|
|
execute( TC_mscpool_sccp_n_pcstate_detaches_cnlink() );
|
|
execute( TC_mscpool_sccp_n_pcstate_attaches_cnlink() );
|
|
|
|
execute( TC_sgsnpool_L3Compl_on_1_cnlink() );
|
|
execute( TC_sgsnpool_L3Complete_no_nri_round_robin() );
|
|
execute( TC_sgsnpool_L3Complete_valid_nri_1() );
|
|
execute( TC_sgsnpool_L3Complete_valid_nri_2() );
|
|
execute( TC_sgsnpool_nri_from_other_PLMN() );
|
|
execute( TC_sgsnpool_sccp_n_pcstate_detaches_cnlink() );
|
|
execute( TC_sgsnpool_sccp_n_pcstate_attaches_cnlink() );
|
|
|
|
execute(TC_second_rab_assignment());
|
|
|
|
/* Run at the end since it makes osmo-hnbgw <= 1.3.0 crash: OS#5676 */
|
|
execute(TC_hnb_reregister_reuse_sctp_assoc());
|
|
|
|
/* Run at the end since it messes with the SCCP config */
|
|
execute( TC_apply_sccp() );
|
|
}
|
|
|
|
}
|