ttcn3
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osmo-ttcn3-hacks
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bscnat: Introduce test TC_ctrl_location 

It checks location-state TRAP is forwaded correctly in BSC-NAT from BSC
towards locally connected CTRL client, with variable names updated to
contain BSC/BTS indexes.
It also verifies commands can be applied (SET) in inverse direction.

Change-Id: If28aba011a1903788cacbc10c0b62954925d4b1f
This commit is contained in:
Pau Espin 2019-06-10 21:02:03 +02:00 committed by pespin
parent a839604956
commit 8ab9a7936b
5 changed files with 60 additions and 6 deletions
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27
bsc-nat/BSCNAT_Tests.ttcn
View File

@ -20,6 +20,10 @@ import from RAN_Emulation all;
import from MTP3asp_Types all;
import from Osmocom_CTRL_Functions all;
import from Osmocom_CTRL_Types all;
import from Osmocom_CTRL_Adapter all;
import from SCCP_Types all;
import from SCCPasp_Types all;
import from SCCP_Emulation all;
@ -48,7 +52,7 @@ type record MscState {
SCCP_PAR_Address sccp_addr_own
}
type component test_CT {
type component test_CT extends CTRL_Adapter_CT {
var MscState msc[NUM_MSC];
var BscState bsc[NUM_BSC];
@ -65,6 +69,9 @@ modulepar {
PortNumber mp_msc_port := 5000;
charstring mp_msc_ip := "127.0.0.1";
/* port number to which to establish the IPA CTRL connection */
integer mp_nat_ctrl_port := 4250;
/* port number to which to establish the SCCPLite connection */
PortNumber mp_nat_port := 5000;
charstring mp_nat_ip := "127.0.0.1";
@ -144,6 +151,7 @@ function f_init(void_fn_bsc_ms fn_bsc_ms, void_fn_bsc fn_bsc, BssmapCreateCallba
f_init_vty("VirtBSCNAT");
f_vty_allow_osmux(use_osmux);
f_ipa_ctrl_start(mp_nat_ip, mp_nat_ctrl_port);
for (i := 0; i < NUM_MSC; i := i+1) {
f_init_MscState(msc[i], mp_msc_pc +i, mp_bsc_pc, mp_msc_ssn, mp_bsc_ssn);
@ -206,9 +214,26 @@ testcase TC_recv_dump_osmux() runs on test_CT {
f_TC_recv_dump(true);
}
testcase TC_ctrl_location() runs on test_CT {
timer T := 30.0;
f_init(refers(bsc_ms_do_nothing),
refers(bsc_ctrl_location),
refers(CreateCallback_establish_fully),
false);
f_ctrl_exp_trap(IPA_CTRL, "net.0.bsc.0.bts.0.location-state",
"1234567,fix3d,0.340000,0.560000,0.780000,operational,unlocked,on,001,01",
10.0);
f_ctrl_set(IPA_CTRL, "net.0.bsc.0.rf_locked", "1");
f_wait_finish(T);
}
control {
execute( TC_recv_dump() );
execute( TC_recv_dump_osmux() );
execute( TC_ctrl_location() );
}
}

4
bsc-nat/BSC_MS_ConnectionHandler.ttcn
View File

@ -210,4 +210,8 @@ runs on BSC_MS_ConnHdlr {
}
}
function bsc_ms_do_nothing(charstring id)
runs on BSC_MS_ConnHdlr {
}
}

31
bsc-nat/BSC_MS_Simulation.ttcn
View File

@ -14,6 +14,9 @@ import from IPL4asp_Types all;
import from IPA_Emulation all;
import from Osmocom_CTRL_Functions all;
import from Osmocom_CTRL_Types all;
import from SCCP_Types all;
import from SCCPasp_Types all;
import from SCCP_Emulation all;
@ -33,6 +36,8 @@ type component BSC_CT {
var RAN_Emulation_CT vc_BSSMAP;
/* test port to SCCP emulation */
port SCCPasp_PT SCCP;
/* test port to SCCPLite CTRL over IPA emulation */
port IPA_CTRL_PT SCCPLITE_IPA_CTRL;
var BSC_MS_TestHdlrParams g_pars;
@ -71,6 +76,15 @@ function bsc_do_nothing(charstring id)
runs on BSC_CT {
}
/* Submit a location-state TRAP BSC->BSC-NAT */
function bsc_ctrl_location(charstring id)
runs on BSC_CT {
log("Starting main of BSC_CT");
f_ctrl_trap(SCCPLITE_IPA_CTRL, "bts.0.location-state",
"1234567,fix3d,0.340000,0.560000,0.780000,operational,unlocked,on,001,01");
f_ctrl_exp_set(SCCPLITE_IPA_CTRL, "rf_locked", "1", "1");
}
function main(charstring remote_ip, PortNumber remote_port,
charstring local_ip, PortNumber local_port,
MSC_SCCP_MTP3_parameters sccp_pars,
@ -78,7 +92,7 @@ function main(charstring remote_ip, PortNumber remote_port,
void_fn_bsc_ms fn_bsc_ms, void_fn_bsc fn_bsc, charstring id) runs on BSC_CT
{
var integer i := 0;
timer T := 1.0;
timer T := 2.0;
var IPA_CCM_Parameters ccm_pars := IPA_Emulation.c_IPA_default_ccm_pars;
ccm_pars.name := id;
g_pars := pars;
@ -98,6 +112,11 @@ function main(charstring remote_ip, PortNumber remote_port,
/* connect BSSMAP dispatcher to IPA_Emulation MGCP */
connect(vc_BSSMAP:MGCP, vc_IPA:IPA_MGCP_PORT);
/* connect BSSMAP dispatcher to IPA_Emulation CTRL */
connect(vc_BSSMAP:CTRL, vc_IPA:IPA_CTRL_PORT);
/* connect BSSMAP dispatcher to IPA_Emulation CTRL */
connect(self:SCCPLITE_IPA_CTRL, vc_BSSMAP:CTRL_CLIENT);
/* start components */
vc_IPA.start(IPA_Emulation.main_client(remote_ip, remote_port, local_ip, local_port, ccm_pars));
@ -105,8 +124,14 @@ function main(charstring remote_ip, PortNumber remote_port,
vc_BSSMAP.start(RAN_Emulation.main(BSC_MS_ConnectionHandler.BSC_MS_RanOps, id));
/* Initial delay to wait for IPA connection establishment */
T.start(2.0);
T.timeout;
T.start;
alt {
[] SCCPLITE_IPA_CTRL.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) { }
[] T.timeout {
setverdict(fail, "Timeout CTRL waiting for ASP_IPA_EVENT_UP");
mtc.stop;
}
}
var BSC_MS_ConnHdlrList vc_conns;
for (i := 0; i < mp_num_iterations; i := i+1) {

2
bsc-nat/gen_links.sh
View File

@ -52,7 +52,7 @@ FILES="RTP_EncDec.cc RTP_Types.ttcn"
gen_links $DIR $FILES
DIR=../library
FILES="Misc_Helpers.ttcn General_Types.ttcn Osmocom_Types.ttcn GSM_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc IPA_Emulation.ttcnpp L3_Templates.ttcn BSSMAP_Templates.ttcn RAN_Emulation.ttcnpp MGCP_Types.ttcn MGCP_Templates.ttcn MGCP_CodecPort.ttcn MGCP_CodecPort_CtrlFunct.ttcn MGCP_CodecPort_CtrlFunctDef.cc Osmocom_CTRL_Types.ttcn Osmocom_VTY_Functions.ttcn Osmocom_CTRL_Functions.ttcn BSSAP_CodecPort.ttcn"
FILES="Misc_Helpers.ttcn General_Types.ttcn Osmocom_Types.ttcn GSM_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc IPA_Emulation.ttcnpp L3_Templates.ttcn BSSMAP_Templates.ttcn RAN_Emulation.ttcnpp MGCP_Types.ttcn MGCP_Templates.ttcn MGCP_CodecPort.ttcn MGCP_CodecPort_CtrlFunct.ttcn MGCP_CodecPort_CtrlFunctDef.cc Osmocom_CTRL_Types.ttcn Osmocom_VTY_Functions.ttcn Osmocom_CTRL_Functions.ttcn Osmocom_CTRL_Adapter.ttcn BSSAP_CodecPort.ttcn"
gen_links $DIR $FILES
ignore_pp_results

2
bsc-nat/regen_makefile.sh
View File

@ -4,6 +4,6 @@ MAIN=BSCNAT_Tests.ttcn
FILES="*.ttcn *.ttcnpp SCCP_EncDec.cc IPA_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc RTP_EncDec.cc SDP_EncDec.cc *.c MGCP_CodecPort_CtrlFunctDef.cc TELNETasp_PT.cc"
export CPPFLAGS_TTCN3="-DIPA_EMULATION_SCCP -DIPA_EMULATION_MGCP -DRAN_EMULATION_BSSAP -DRAN_EMULATION_MGCP -DUSE_MTP3_DISTRIBUTOR"
export CPPFLAGS_TTCN3="-DIPA_EMULATION_SCCP -DIPA_EMULATION_MGCP -DIPA_EMULATION_CTRL -DRAN_EMULATION_BSSAP -DRAN_EMULATION_MGCP -DRAN_EMULATION_CTRL -DUSE_MTP3_DISTRIBUTOR"
../regen-makefile.sh $MAIN $FILES