PCU: Tests for the BSS/PCU side NS/BSSGP implementations
The existing (unused) PCU_Tests are operating on top of a NS + BSSGP emulation, i.e. they're aimed at testing higher protocol layers. Also, they required BTS+BSC to run next to the PCU. The new PCU_Tests_RAW introduced in this patch are the exact opposite: * they test the PCU alone (attach to PCUIF and Gb interface) * they don't require BTS or BSC to run * they don't use NS + BSSGP emulation but raw NS/BSSGP frames to test the very NS/BSSGP implementation inside of OsmoPCU. Change-Id: I7ad76b96974cf0a686ad0f00ccd09d1a9df8b4d5 Related: OS#2890
This commit is contained in:
parent
6137c32e05
commit
9fbcf4b01e
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@ -1,10 +1,10 @@
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[ORDERED_INCLUDE]
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# Common configuration, shared between test suites
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"../Common.cfg"
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# testsuite specific configuration, not expected to change
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"./PCU_Tests.default"
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[LOGGING]
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#*.FileMask := LOG_ALL
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ConsoleMask := ERROR | WARNING | TESTCASE | TIMEROP_START | DEBUG_ENCDEC
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[MODULE_PARAMETERS]
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PCU_Tests.mp_nsconfig := {
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@ -16,34 +16,9 @@ PCU_Tests.mp_nsconfig := {
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nsei := 1234
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}
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PCU_Tests.mp_gb_cfg := {
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nsei := 1234,
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bvci := 1234,
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cell_id := {
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ra_id := {
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lai := {
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mcc_mnc := '00101F'H, lac := 1
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},
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rac := 0
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},
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cell_id := 0
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},
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sgsn_role := true
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}
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[TESTPORT_PARAMETERS]
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*.*.udpReuseAddress := "yes";
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[MAIN_CONTROLLER]
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[EXECUTE]
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PCU_Tests.control
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# for internal use only: will always fail when called as part of normal routine
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#PCU_Tests.TC_selftest_llc
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#PCU_Tests.TC_selftest_rlcmac
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#PCU_Tests.TC_selftest_bssgp
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#PCU_Tests.TC_nsem
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#PCU_Tests.TC_paging
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#PCU_Tests.TC_rach
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#PCU_Tests.TC_selftest_rr
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#PCU_Tests.TC_dl_tbf
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PCU_Tests_RAW.control
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@ -0,0 +1,41 @@
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[ORDERED_INCLUDE]
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# Common configuration, shared between test suites
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"../Common.cfg"
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[LOGGING]
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#*.FileMask := LOG_ALL
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ConsoleMask := ERROR | WARNING | TESTCASE | TIMEROP_START | DEBUG_ENCDEC
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[MODULE_PARAMETERS]
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PCU_Tests.mp_gb_cfg := {
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nsei := 1234,
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bvci := 1234,
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cell_id := {
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ra_id := {
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lai := {
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mcc_mnc := '00101F'H, lac := 1
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},
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rac := 0
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},
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cell_id := 0
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},
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sgsn_role := true
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}
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[TESTPORT_PARAMETERS]
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*.*.udpReuseAddress := "yes";
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*.PCU.socket_type := "SEQPACKET"
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[MAIN_CONTROLLER]
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[EXECUTE]
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PCU_Tests_RAW.control
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# for internal use only: will always fail when called as part of normal routine
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#PCU_Tests.TC_selftest_llc
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#PCU_Tests.TC_selftest_rlcmac
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#PCU_Tests.TC_selftest_bssgp
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#PCU_Tests.TC_nsem
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#PCU_Tests.TC_paging
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#PCU_Tests.TC_rach
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#PCU_Tests.TC_selftest_rr
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#PCU_Tests.TC_dl_tbf
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@ -0,0 +1,382 @@
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module PCU_Tests_RAW {
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/* "RAW" PCU tests: Talk directly to the PCU socket of OsmoPCU on the one hand side (emulating
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the BTS/BSC side PCU socket server) and the Gb interface on the other hand side. No NS/BSSGP
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Emulation is used; rather, we simply use the NS_CodecPort to implement both standard and non-
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standard procedures on the NS and BSSGP level. The goal of these tests is to test exactly
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those NS and BSSGP implementations on the BSS (PCU) side. */
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import from General_Types all;
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import from Osmocom_Types all;
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import from NS_Types all;
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import from BSSGP_Types all;
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import from Osmocom_Gb_Types all;
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import from BSSGP_Emulation all; /* BssgpConfig */
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import from NS_Emulation all; /* NSConfiguration */
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import from UD_Types all;
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import from PCUIF_Types all;
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import from PCUIF_CodecPort all;
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import from IPL4asp_Types all;
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import from NS_CodecPort all;
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import from NS_CodecPort_CtrlFunct all;
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import from Native_Functions all;
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import from PCU_Tests all;
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modulepar {
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charstring mp_pcu_sock_path := PCU_SOCK_DEFAULT;
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}
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type component RAW_NS_CT {
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/* UDP port towards the bottom (IUT) */
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port NS_CODEC_PT NSCP;
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var ConnectionId g_ns_conn_id := -1;
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timer g_T_guard;
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/* PCUIF (we emulate the BTS part) */
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port PCUIF_CODEC_PT PCU;
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var ConnectionId g_pcu_conn_id := -1;
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}
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private altstep as_Tguard() runs on RAW_NS_CT {
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[] g_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_pcuif() runs on RAW_NS_CT {
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map(self:PCU, system:PCU);
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/* Connect the Unix Domain Socket */
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g_pcu_conn_id := f_pcuif_listen(PCU, mp_pcu_sock_path);
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PCU.receive(UD_connected:?);
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/* Wait for PCU_VERSION and return INFO_IND */
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PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_TXT_IND(0, PCU_VERSION, ?)));
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/* FIXME: make sure to use parameters from mp_gb_cfg.cell_id in the PCU INFO IND */
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var template PCUIF_Message info_ind := ts_PCUIF_INFO_IND(bts_nr := 0,
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nsei := mp_nsconfig.nsei,
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nsvci := mp_nsconfig.nsvci,
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bvci := mp_gb_cfg.bvci,
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local_port := mp_nsconfig.remote_udp_port,
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remote_port := mp_nsconfig.local_udp_port,
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remote_ip := f_inet_haddr(mp_nsconfig.local_ip)
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);
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PCU.send(t_SD_PCUIF(g_pcu_conn_id, info_ind));
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}
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function f_init_ns_codec(float guard_secs := 60.0) runs on RAW_NS_CT {
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var Result res;
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map(self:NSCP, system:NSCP);
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/* Connect the UDP socket */
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res := f_IPL4_connect(NSCP, mp_nsconfig.remote_ip, mp_nsconfig.remote_udp_port,
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mp_nsconfig.local_ip, mp_nsconfig.local_udp_port,
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0, { udp := {}});
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if (not ispresent(res.connId)) {
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setverdict(fail, "Could not connect NS UDP socket, check your configuration");
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mtc.stop;
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}
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g_ns_conn_id := res.connId;
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g_T_guard.start(guard_secs);
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activate(as_Tguard());
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}
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function f_ns_exp(template PDU_NS exp_rx) runs on RAW_NS_CT return PDU_NS {
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var NS_RecvFrom nrf;
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log("f_ns_exp() expecting ", exp_rx);
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alt {
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[] NSCP.receive(t_NS_RecvFrom(exp_rx)) -> value nrf { }
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[] NSCP.receive {
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setverdict(fail, "Received unexpected NS: ", nrf);
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mtc.stop;
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}
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}
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return nrf.msg;
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}
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/* perform inbound SNS-SIZE procedure */
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function f_incoming_sns_size(template (omit) NsCause cause := omit) runs on RAW_NS_CT {
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var PDU_NS rx;
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/* expect one single SNS-SIZE with RESET flag; one remote v4 EP; no v6 EP */
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rx := f_ns_exp(tr_SNS_SIZE(mp_nsconfig.nsei, rst_flag := true, max_nsvcs := ?,
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num_v4 := 1, num_v6 := omit));
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_SNS_SIZE_ACK(mp_nsconfig.nsei, cause)));
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}
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/* perform outbound SNS-SIZE procedure */
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function f_outgoing_sns_size(template (omit) NsCause cause := omit) runs on RAW_NS_CT {
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var PDU_NS rx;
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_SNS_SIZE(mp_nsconfig.nsei, rst_flag := true, max_nsvcs := 1,
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num_v4 := 1, num_v6 := omit)
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));
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/* expect one single SNS-SIZE with RESET flag; one remote v4 EP; no v6 EP */
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rx := f_ns_exp(tr_SNS_SIZE_ACK(mp_nsconfig.nsei, cause));
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}
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/* perform inbound SNS-CONFIG procedure */
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function f_incoming_sns_config(template (omit) NsCause cause := omit) runs on RAW_NS_CT {
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var PDU_NS rx;
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rx := f_ns_exp(tr_SNS_CONFIG(mp_nsconfig.nsei, end_flag := true, v4 := ?));
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_SNS_CONFIG_ACK(mp_nsconfig.nsei, cause)));
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}
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/* perform outbound SNS-CONFIG procedure */
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function f_outgoing_sns_config(template (omit) NsCause cause := omit) runs on RAW_NS_CT {
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var PDU_NS rx;
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var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(mp_nsconfig.local_ip,
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mp_nsconfig.local_udp_port) }
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_SNS_CONFIG(mp_nsconfig.nsei, true, v4)));
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rx := f_ns_exp(tr_SNS_CONFIG_ACK(mp_nsconfig.nsei, cause));
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}
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/* perform outbound NS-ALIVE procedure */
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function f_outgoing_ns_alive() runs on RAW_NS_CT {
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NSCP.send(t_NS_Send(g_ns_conn_id, t_NS_ALIVE));
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alt {
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[] NSCP.receive(t_NS_RecvFrom(t_NS_ALIVE_ACK));
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[] NSCP.receive { repeat; }
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}
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}
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/* perform outbound NS-BLOCK procedure */
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function f_outgoing_ns_block(NsCause cause) runs on RAW_NS_CT {
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_NS_BLOCK(cause, mp_nsconfig.nsvci)));
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alt {
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[] NSCP.receive(t_NS_RecvFrom(tr_NS_BLOCK_ACK(mp_nsconfig.nsvci)));
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[] NSCP.receive { repeat; }
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}
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}
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/* receive NS-ALIVE and ACK it */
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altstep as_rx_alive_tx_ack(boolean oneshot := false) runs on RAW_NS_CT {
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[] NSCP.receive(t_NS_RecvFrom(t_NS_ALIVE)) {
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NSCP.send(t_NS_Send(g_ns_conn_id, t_NS_ALIVE_ACK));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a BSSGP RESET for given BVCI and ACK it */
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altstep as_rx_bvc_reset_tx_ack(BssgpBvci bvci, boolean oneshot := false) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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/* FIXME: nail down received cell_id in match */
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[] NSCP.receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,
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decmatch tr_BVC_RESET(?, bvci, ?))))
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-> value ns_rf {
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var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);
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var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET_ACK(bvci, mp_gb_cfg.cell_id));
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a BSSGP UNBLOCK for given BVCI and ACK it */
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altstep as_rx_bvc_unblock_tx_ack(BssgpBvci bvci, boolean oneshot := false) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP.receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,
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decmatch t_BVC_UNBLOCK(bvci))))
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-> value ns_rf {
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var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);
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var PDU_BSSGP bssgp_tx := valueof(t_BVC_UNBLOCK_ACK(bvci));
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a BSSGP FLOW-CONTROL-BVC and ACK it */
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altstep as_rx_bvc_fc_tx_ack(BssgpBvci bvci, boolean oneshot := false) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP.receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, bvci,
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decmatch tr_BVC_FC_BVC)))
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-> value ns_rf {
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var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);
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var OCT1 tag := bssgp_rx.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value;
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var PDU_BSSGP bssgp_tx := valueof(t_BVC_FC_BVC_ACK(tag));
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_NS_UNITDATA(t_SduCtrlB, bvci, enc_PDU_BSSGP(bssgp_tx))));
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if (not oneshot) { repeat; }
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}
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}
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/**********************************************************************************
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* Classic Gb/IP bring-up test cases using NS-{RESET,BLOCK,UNBLOCK} and no IP-SNS *
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**********************************************************************************/
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/* Receive a NS-RESET and ACK it */
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private altstep as_rx_ns_reset_ack(boolean oneshot := false) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP.receive(t_NS_RecvFrom(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION, mp_nsconfig.nsvci,
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mp_nsconfig.nsei))) -> value ns_rf {
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NSCP.send(t_NS_Send(g_ns_conn_id, ts_NS_RESET_ACK(mp_nsconfig.nsvci, mp_nsconfig.nsei)));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a NS-UNBLOCK and ACK it */
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private altstep as_rx_ns_unblock_ack(boolean oneshot := false) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP.receive(t_NS_RecvFrom(t_NS_UNBLOCK)) -> value ns_rf {
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NSCP.send(t_NS_Send(g_ns_conn_id, t_NS_UNBLOCK_ACK));
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if (not oneshot) { repeat; }
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}
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}
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/* test the NS-RESET procedure */
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testcase TC_ns_reset() runs on RAW_NS_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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setverdict(pass);
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}
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/* ensure NS-RESET are re-transmitted */
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testcase TC_ns_reset_retrans() runs on RAW_NS_CT {
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f_init_ns_codec();
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f_init_pcuif();
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var integer i;
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for (i := 0; i < 3; i := i+1) {
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NSCP.receive(t_NS_RecvFrom(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION,
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mp_nsconfig.nsvci, mp_nsconfig.nsei)));
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}
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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setverdict(pass);
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}
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/* test the inbound NS-ALIVE procedure after NS-RESET */
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testcase TC_ns_alive() runs on RAW_NS_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
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as_rx_alive_tx_ack(oneshot := true);
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setverdict(pass);
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}
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/* Test for NS-RESET after NS-ALIVE timeout */
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testcase TC_ns_alive_timeout_reset() runs on RAW_NS_CT {
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f_init_ns_codec(100.0);
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for at least one NS-ALIVE */
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NSCP.receive(t_NS_RecvFrom(t_NS_ALIVE));
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/* wait for NS-RESET to re-appear, ignoring any NS-ALIVE until then */
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alt {
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[] as_rx_ns_reset_ack(oneshot := true) { setverdict(pass); }
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[] NSCP.receive(t_NS_RecvFrom(t_NS_ALIVE)) { repeat; }
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}
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}
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/* test for NS-RESET/NS-ALIVE/NS-UNBLOCK */
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testcase TC_ns_unblock() runs on RAW_NS_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
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as_rx_alive_tx_ack(oneshot := true);
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activate(as_rx_alive_tx_ack());
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as_rx_ns_unblock_ack(oneshot := true);
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setverdict(pass);
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}
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/* test for NS-UNBLOCK re-transmissions */
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testcase TC_ns_unblock_retrans() runs on RAW_NS_CT {
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f_init_ns_codec();
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f_init_pcuif();
|
||||
|
||||
/* Expect inbound NS-RESET procedure */
|
||||
as_rx_ns_reset_ack(oneshot := true);
|
||||
|
||||
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
|
||||
as_rx_alive_tx_ack(oneshot := true);
|
||||
activate(as_rx_alive_tx_ack());
|
||||
|
||||
/* wait for first NS-UNBLOCK, don't respond */
|
||||
NSCP.receive(t_NS_RecvFrom(t_NS_UNBLOCK));
|
||||
|
||||
/* wait for re-transmission of NS-UNBLOCK */
|
||||
as_rx_ns_unblock_ack(oneshot := true);
|
||||
setverdict(pass);
|
||||
}
|
||||
|
||||
/* full bring-up of the Gb link for NS and BSSGP layer up to BVC-FC */
|
||||
testcase TC_ns_full_bringup() runs on RAW_NS_CT {
|
||||
f_init_ns_codec();
|
||||
f_init_pcuif();
|
||||
|
||||
/* Expect inbound NS-RESET procedure */
|
||||
as_rx_ns_reset_ack(oneshot := true);
|
||||
|
||||
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
|
||||
as_rx_alive_tx_ack(oneshot := true);
|
||||
activate(as_rx_alive_tx_ack());
|
||||
|
||||
as_rx_ns_unblock_ack(oneshot := true);
|
||||
|
||||
f_outgoing_ns_alive();
|
||||
|
||||
/* Expect BVC-RESET for signaling (0) and ptp BVCI */
|
||||
as_rx_bvc_reset_tx_ack(0, oneshot := true);
|
||||
as_rx_bvc_reset_tx_ack(mp_gb_cfg.bvci, oneshot := true);
|
||||
as_rx_bvc_unblock_tx_ack(mp_gb_cfg.bvci, oneshot := true);
|
||||
|
||||
/* wait for one FLOW-CONTROL BVC and then ACK any further in the future */
|
||||
as_rx_bvc_fc_tx_ack(mp_gb_cfg.bvci, oneshot := true);
|
||||
activate(as_rx_bvc_fc_tx_ack(mp_gb_cfg.bvci));
|
||||
setverdict(pass);
|
||||
}
|
||||
|
||||
/* test outbound (SGSN-originated) NS-BLOCK procedure */
|
||||
testcase TC_ns_so_block() runs on RAW_NS_CT {
|
||||
f_init_ns_codec();
|
||||
f_init_pcuif();
|
||||
|
||||
/* Expect inbound NS-RESET procedure */
|
||||
as_rx_ns_reset_ack(oneshot := true);
|
||||
|
||||
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
|
||||
as_rx_alive_tx_ack(oneshot := true);
|
||||
activate(as_rx_alive_tx_ack());
|
||||
|
||||
as_rx_ns_unblock_ack(oneshot := true);
|
||||
|
||||
f_outgoing_ns_alive();
|
||||
|
||||
f_outgoing_ns_block(NS_CAUSE_EQUIPMENT_FAILURE);
|
||||
setverdict(pass);
|
||||
}
|
||||
|
||||
|
||||
control {
|
||||
execute( TC_ns_reset() );
|
||||
execute( TC_ns_reset_retrans() );
|
||||
execute( TC_ns_alive() );
|
||||
execute( TC_ns_alive_timeout_reset() );
|
||||
execute( TC_ns_unblock() );
|
||||
execute( TC_ns_unblock_retrans() );
|
||||
execute( TC_ns_full_bringup() );
|
||||
execute( TC_ns_so_block() );
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -50,6 +50,7 @@ FILES="Misc_Helpers.ttcn General_Types.ttcn Native_Functions.ttcn Native_Functio
|
|||
FILES+="NS_Emulation.ttcn NS_CodecPort.ttcn NS_CodecPort_CtrlFunct.ttcn NS_CodecPort_CtrlFunctDef.cc "
|
||||
FILES+="BSSGP_Emulation.ttcn Osmocom_Gb_Types.ttcn "
|
||||
FILES+="LLC_Templates.ttcn L3_Templates.ttcn L3_Common.ttcn "
|
||||
FILES+="PCUIF_Types.ttcn PCUIF_CodecPort.ttcn "
|
||||
gen_links $DIR $FILES
|
||||
|
||||
ignore_pp_results
|
||||
|
|
|
|||
Loading…
Reference in New Issue