Osmocom test suites in TTCN-3 (Eclipse Titan) https://osmocom.org/projects/core-testing-infra
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osmo-ttcn3-hacks/bsc-nat/BSCNAT_Tests.ttcn

242 lines
6.3 KiB

module BSCNAT_Tests {
/* osmo-bsc_nat test suite in TTCN-3
* (C) 2018-2019 sysmocom - s.f.m.c. GmbH
* Author: Daniel Willmann
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
import from Osmocom_Types all;
import from IPL4asp_Types all;
import from IPA_Emulation all;
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;
import from MSC_Simulation all;
import from MSC_ConnectionHandler all;
import from BSC_MS_Simulation all;
import from BSC_MS_ConnectionHandler all;
import from Osmocom_VTY_Functions all;
import from TELNETasp_PortType all;
const integer NUM_MSC := 1;
const integer NUM_BSC := 1;
type record BscState {
BSC_CT BSC,
MSC_SCCP_MTP3_parameters sccp_pars,
SCCP_PAR_Address sccp_addr_own,
SCCP_PAR_Address sccp_addr_peer
}
type record MscState {
MSC_CT MSC,
MSC_SCCP_MTP3_parameters sccp_pars,
SCCP_PAR_Address sccp_addr_own
}
type component test_CT extends CTRL_Adapter_CT {
var MscState msc[NUM_MSC];
var BscState bsc[NUM_BSC];
port TELNETasp_PT BSCNATVTY;
var boolean g_initialized := false;
var octetstring g_sio := '83'O;
}
modulepar {
PortNumber mp_bsc_port := 49999;
charstring mp_bsc_ip := "127.0.0.1";
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";
charstring mp_sccp_service_type := "mtp3_itu";
integer mp_bsc_pc := 196;
integer mp_bsc_ssn := 254;
integer mp_msc_pc := 185; /* 0.23.1 */
integer mp_msc_ssn := 254;
}
/* construct a SCCP_PAR_Address with just PC + SSN and no GT */
template (value) SCCP_PAR_Address ts_SccpAddr_PC_SSN(integer pc, integer ssn) := {
addressIndicator := {
pointCodeIndic := '1'B,
ssnIndicator := '1'B,
globalTitleIndic := '0000'B,
routingIndicator := '1'B
},
signPointCode := SCCP_SPC_int2bit(pc, mp_sccp_service_type, '83'O),
//signPointCode := SCCP_SPC_int2bit(pc, mp_sccp_service_type, g_sio),
subsystemNumber := ssn,
globalTitle := omit
}
template MTP3_Field_sio ts_sio(octetstring sio_in) := {
ni := substr(oct2bit(sio_in),0,2),
prio := substr(oct2bit(sio_in),2,2),
si := substr(oct2bit(sio_in),4,4)
}
template MSC_SCCP_MTP3_parameters ts_SCCP_Pars(octetstring sio, integer opc, integer dpc,
integer local_ssn) := {
sio := ts_sio(sio),
opc := opc,
dpc := dpc,
sls := 0,
sccp_serviceType := mp_sccp_service_type,
ssn := local_ssn
};
function f_init_BscState(inout BscState bsc_st, integer opc, integer dpc, integer local_ssn, integer remote_ssn)
runs on test_CT {
bsc_st.sccp_pars := valueof(ts_SCCP_Pars(g_sio, opc, dpc, local_ssn));
bsc_st.sccp_addr_own := valueof(ts_SccpAddr_PC_SSN(opc, local_ssn));
bsc_st.sccp_addr_peer := valueof(ts_SccpAddr_PC_SSN(dpc, remote_ssn));
}
function f_init_MscState(inout MscState msc_st, integer opc, integer dpc, integer local_ssn, integer remote_ssn)
runs on test_CT {
msc_st.sccp_pars := valueof(ts_SCCP_Pars(g_sio, opc, dpc, local_ssn));
msc_st.sccp_addr_own := valueof(ts_SccpAddr_PC_SSN(opc, local_ssn));
}
function f_vty_allow_osmux(boolean allow) runs on test_CT {
if (allow) {
f_vty_config(BSCNATVTY, "mgcp", "osmux on");
} else {
f_vty_config(BSCNATVTY, "mgcp", "osmux off");
}
}
function f_init_vty(charstring id := "foo") runs on test_CT {
if (BSCNATVTY.checkstate("Mapped")) {
/* skip initialization if already executed once */
return;
}
map(self:BSCNATVTY, system:BSCNATVTY);
f_vty_set_prompts(BSCNATVTY);
f_vty_transceive(BSCNATVTY, "enable");
}
function f_init(void_fn_bsc_ms fn_bsc_ms, void_fn_bsc fn_bsc, BssmapCreateCallback cb_msc, boolean use_osmux) runs on test_CT {
var integer i;
var charstring id;
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);
id := "MSC" & int2str(i);
msc[i].MSC := MSC_CT.create(id);
msc[i].MSC.start(MSC_Simulation.main(mp_msc_ip, mp_msc_port + i,
msc[i].sccp_pars, msc[i].sccp_addr_own,
cb_msc, id));
}
/* Wait for bsc_nat to attach to MSC. Before that all BSC connections will be dropped */
f_sleep(5.0);
for (i := 0; i < NUM_BSC; i := i+1) {
f_init_BscState(bsc[i], mp_bsc_pc +i, mp_msc_pc, mp_bsc_ssn, mp_msc_ssn);
id := "BSC" & int2str(i);
bsc[i].BSC := BSC_CT.create(id);
var BSC_MS_TestHdlrParams pars;
pars.sccp_addr_own := bsc[i].sccp_addr_own;
pars.sccp_addr_remote := bsc[i].sccp_addr_peer;
pars.use_osmux := use_osmux;
bsc[i].BSC.start(BSC_MS_Simulation.main(mp_nat_ip, mp_nat_port, mp_bsc_ip, mp_bsc_port+i,
bsc[i].sccp_pars, pars, fn_bsc_ms, fn_bsc, id));
}
}
function f_wait_finish(timer T) runs on test_CT {
var integer i;
alt {
/* wait for BSC to stop. The idea is that the BSC components terminate first */
[] bsc[0].BSC.done { }
[] T.timeout { setverdict(fail); }
}
all component.stop;
/* terminate the MSCs */
for (i := 0; i < NUM_MSC; i := i+1) {
msc[i].MSC.stop;
}
setverdict(pass);
}
function f_TC_recv_dump(boolean use_osmux := false) runs on test_CT {
timer T := 30.0;
T.start;
f_init(refers(bsc_ms_establish_fully),
refers(bsc_do_nothing),
refers(CreateCallback_establish_fully),
use_osmux);
f_wait_finish(T);
}
testcase TC_recv_dump() runs on test_CT {
f_TC_recv_dump();
}
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;
T.start;
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() );
}
}