<p>lynxis lazus has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/20005">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">PCU: move RAW_NS into own file to use it in the SGSN tests<br><br>In preparation to test the SGSN role of NS<br><br>Change-Id: Id91aa81c4fb6689cd1353d88b4806d26868769e8<br>---<br>M pcu/PCU_Tests_NS.ttcn<br>M pcu/PCU_Tests_SNS.ttcn<br>A pcu/RAW_NS.ttcn<br>3 files changed, 215 insertions(+), 187 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/05/20005/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/pcu/PCU_Tests_NS.ttcn b/pcu/PCU_Tests_NS.ttcn</span><br><span>index b1c8f38..ce2560f 100644</span><br><span>--- a/pcu/PCU_Tests_NS.ttcn</span><br><span>+++ b/pcu/PCU_Tests_NS.ttcn</span><br><span>@@ -26,14 +26,7 @@</span><br><span> import from IPL4asp_Types all;</span><br><span> import from PCUIF_Types all;</span><br><span> import from PCUIF_CodecPort all;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-type component RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- /* UDP port towards the bottom (IUT) */</span><br><span style="color: hsl(0, 100%, 40%);">- port NS_CODEC_PT NSCP[4];</span><br><span style="color: hsl(0, 100%, 40%);">- var ConnectionId g_ns_conn_id[4] := {-1, -1, -1, -1};</span><br><span style="color: hsl(0, 100%, 40%);">- var NSConfiguration g_nsconfig[4];</span><br><span style="color: hsl(0, 100%, 40%);">- timer g_T_guard;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(120, 100%, 40%);">+import from RAW_NS all;</span><br><span> </span><br><span> type component RAW_PCU_CT {</span><br><span> /* PCUIF (we emulate the BTS part) */</span><br><span>@@ -44,13 +37,6 @@</span><br><span> type component RAW_Test_CT extends RAW_NS_CT, RAW_PCU_CT {</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-private altstep as_Tguard() runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- [] g_T_guard.timeout {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(fail, "Timeout of T_guard");</span><br><span style="color: hsl(0, 100%, 40%);">- mtc.stop;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span> function f_init_pcuif() runs on RAW_PCU_CT {</span><br><span> var PCUIF_info_ind info_ind;</span><br><span> map(self:PCU, system:PCU);</span><br><span>@@ -73,73 +59,6 @@</span><br><span> PCU.send(t_SD_PCUIF(g_pcu_conn_id, msg));</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-function f_init_ns_codec(integer idx := 0, float guard_secs := 60.0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var Result res;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (not g_T_guard.running) {</span><br><span style="color: hsl(0, 100%, 40%);">- g_T_guard.start(guard_secs);</span><br><span style="color: hsl(0, 100%, 40%);">- activate(as_Tguard());</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (not isbound(g_nsconfig) or not isbound(g_nsconfig[idx])) {</span><br><span style="color: hsl(0, 100%, 40%);">- /* copy most parts from mp_nsconfig */</span><br><span style="color: hsl(0, 100%, 40%);">- g_nsconfig[idx] := mp_nsconfig;</span><br><span style="color: hsl(0, 100%, 40%);">- /* adjust those parts different for each NS-VC */</span><br><span style="color: hsl(0, 100%, 40%);">- g_nsconfig[idx].nsvci := mp_nsconfig.nsvci + idx;</span><br><span style="color: hsl(0, 100%, 40%);">- g_nsconfig[idx].local_udp_port := mp_nsconfig.local_udp_port + idx;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- map(self:NSCP[idx], system:NSCP);</span><br><span style="color: hsl(0, 100%, 40%);">- /* Connect the UDP socket */</span><br><span style="color: hsl(0, 100%, 40%);">- log("connecting NSCP[", idx, "] to ", g_nsconfig[idx]);</span><br><span style="color: hsl(0, 100%, 40%);">- res := f_IPL4_connect(NSCP[idx], g_nsconfig[idx].remote_ip, g_nsconfig[idx].remote_udp_port,</span><br><span style="color: hsl(0, 100%, 40%);">- g_nsconfig[idx].local_ip, g_nsconfig[idx].local_udp_port, 0, { udp := {}});</span><br><span style="color: hsl(0, 100%, 40%);">- if (not ispresent(res.connId)) {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(fail, "Could not connect NS UDP socket, check your configuration ", g_nsconfig[idx]);</span><br><span style="color: hsl(0, 100%, 40%);">- mtc.stop;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- g_ns_conn_id[idx] := res.connId;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-function f_ns_exp(template PDU_NS exp_rx, integer idx := 0) runs on RAW_NS_CT return PDU_NS {</span><br><span style="color: hsl(0, 100%, 40%);">- var NS_RecvFrom nrf;</span><br><span style="color: hsl(0, 100%, 40%);">- log("f_ns_exp() expecting ", exp_rx);</span><br><span style="color: hsl(0, 100%, 40%);">- alt {</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(exp_rx)) -> value nrf { }</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(fail, "Received unexpected NS: ", nrf);</span><br><span style="color: hsl(0, 100%, 40%);">- mtc.stop;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- return nrf.msg;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* perform outbound NS-ALIVE procedure */</span><br><span style="color: hsl(0, 100%, 40%);">-function f_outgoing_ns_alive(integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE));</span><br><span style="color: hsl(0, 100%, 40%);">- alt {</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE_ACK));</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* perform outbound NS-ALIVE procedure */</span><br><span style="color: hsl(0, 100%, 40%);">-function f_outgoing_ns_alive_no_ack(integer idx := 0, float tout := 10.0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- timer T := tout;</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE));</span><br><span style="color: hsl(0, 100%, 40%);">- T.start;</span><br><span style="color: hsl(0, 100%, 40%);">- alt {</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE_ACK)) {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(fail, "Received unexpected NS-ALIVE ACK");</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- [] T.timeout {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(pass);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span> /* ensure no matching message is received within 'tout' */</span><br><span> function f_ensure_no_ns(template PDU_NS ns := ?, integer idx := 0, float tout := 3.0)</span><br><span> runs on RAW_Test_CT {</span><br><span>@@ -155,111 +74,6 @@</span><br><span> }</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-/* perform outbound NS-BLOCK procedure */</span><br><span style="color: hsl(0, 100%, 40%);">-function f_outgoing_ns_block(NsCause cause, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_BLOCK(cause, g_nsconfig[idx].nsvci)));</span><br><span style="color: hsl(0, 100%, 40%);">- alt {</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_BLOCK_ACK(g_nsconfig[idx].nsvci)));</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* receive NS-ALIVE and ACK it */</span><br><span style="color: hsl(0, 100%, 40%);">-altstep as_rx_alive_tx_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE)) {</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE_ACK));</span><br><span style="color: hsl(0, 100%, 40%);">- if (not oneshot) { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* Transmit BSSGP RESET for given BVCI and expect ACK */</span><br><span style="color: hsl(0, 100%, 40%);">-function f_tx_bvc_reset_rx_ack(BssgpBvci bvci, integer idx := 0, boolean exp_ack := true)</span><br><span style="color: hsl(0, 100%, 40%);">-runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET(BSSGP_CAUSE_NET_SV_CAP_MOD_GT_ZERO_KBPS, bvci,</span><br><span style="color: hsl(0, 100%, 40%);">- mp_gb_cfg.cell_id));</span><br><span style="color: hsl(0, 100%, 40%);">- timer T := 5.0;</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(0, 100%, 40%);">- T.start;</span><br><span style="color: hsl(0, 100%, 40%);">- alt {</span><br><span style="color: hsl(0, 100%, 40%);">- [exp_ack] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,</span><br><span style="color: hsl(0, 100%, 40%);">- decmatch tr_BVC_RESET_ACK(bvci, ?)))) {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(pass);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- [exp_ack] T.timeout {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(fail, "No response to BVC-RESET");</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- [not exp_ack] T.timeout {</span><br><span style="color: hsl(0, 100%, 40%);">- setverdict(pass);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* Receive a BSSGP RESET for given BVCI and ACK it */</span><br><span style="color: hsl(0, 100%, 40%);">-altstep as_rx_bvc_reset_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(0, 100%, 40%);">- /* FIXME: nail down received cell_id in match */</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,</span><br><span style="color: hsl(0, 100%, 40%);">- decmatch tr_BVC_RESET(?, bvci, ?))))</span><br><span style="color: hsl(0, 100%, 40%);">- -> value ns_rf {</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET_ACK(bvci, mp_gb_cfg.cell_id));</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(0, 100%, 40%);">- if (not oneshot) { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* Receive a BSSGP UNBLOCK for given BVCI and ACK it */</span><br><span style="color: hsl(0, 100%, 40%);">-altstep as_rx_bvc_unblock_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,</span><br><span style="color: hsl(0, 100%, 40%);">- decmatch t_BVC_UNBLOCK(bvci))))</span><br><span style="color: hsl(0, 100%, 40%);">- -> value ns_rf {</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_tx := valueof(t_BVC_UNBLOCK_ACK(bvci));</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(0, 100%, 40%);">- if (not oneshot) { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* Receive a BSSGP FLOW-CONTROL-BVC and ACK it */</span><br><span style="color: hsl(0, 100%, 40%);">-altstep as_rx_bvc_fc_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, bvci,</span><br><span style="color: hsl(0, 100%, 40%);">- decmatch tr_BVC_FC_BVC)))</span><br><span style="color: hsl(0, 100%, 40%);">- -> value ns_rf {</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);</span><br><span style="color: hsl(0, 100%, 40%);">- var OCT1 tag := bssgp_rx.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value;</span><br><span style="color: hsl(0, 100%, 40%);">- var PDU_BSSGP bssgp_tx := valueof(t_BVC_FC_BVC_ACK(tag));</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, bvci, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(0, 100%, 40%);">- if (not oneshot) { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/**********************************************************************************</span><br><span style="color: hsl(0, 100%, 40%);">- * Classic Gb/IP bring-up test cases using NS-{RESET,BLOCK,UNBLOCK} and no IP-SNS *</span><br><span style="color: hsl(0, 100%, 40%);">- **********************************************************************************/</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/* Receive a NS-RESET and ACK it */</span><br><span style="color: hsl(0, 100%, 40%);">-private altstep as_rx_ns_reset_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION, g_nsconfig[idx].nsvci,</span><br><span style="color: hsl(0, 100%, 40%);">- g_nsconfig[idx].nsei))) -> value ns_rf {</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_RESET_ACK(g_nsconfig[idx].nsvci,</span><br><span style="color: hsl(0, 100%, 40%);">- g_nsconfig[idx].nsei)));</span><br><span style="color: hsl(0, 100%, 40%);">- if (not oneshot) { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-/* Receive a NS-UNBLOCK and ACK it */</span><br><span style="color: hsl(0, 100%, 40%);">-private altstep as_rx_ns_unblock_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(0, 100%, 40%);">- [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_UNBLOCK)) -> value ns_rf {</span><br><span style="color: hsl(0, 100%, 40%);">- NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_UNBLOCK_ACK));</span><br><span style="color: hsl(0, 100%, 40%);">- if (not oneshot) { repeat; }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span> /* test the NS-RESET procedure */</span><br><span> testcase TC_ns_reset() runs on RAW_Test_CT {</span><br><span> f_init_ns_codec();</span><br><span>diff --git a/pcu/PCU_Tests_SNS.ttcn b/pcu/PCU_Tests_SNS.ttcn</span><br><span>index fc98979..dd133a3 100644</span><br><span>--- a/pcu/PCU_Tests_SNS.ttcn</span><br><span>+++ b/pcu/PCU_Tests_SNS.ttcn</span><br><span>@@ -16,6 +16,7 @@</span><br><span> import from Osmocom_Gb_Types all;</span><br><span> import from NS_CodecPort all;</span><br><span> import from NS_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from RAW_NS all;</span><br><span> </span><br><span> /**********************************************************************************</span><br><span> * Modern Gb/IP bring-up test cases using IP Sub-Network Service (SNS)</span><br><span>diff --git a/pcu/RAW_NS.ttcn b/pcu/RAW_NS.ttcn</span><br><span>new file mode 100644</span><br><span>index 0000000..c04a3e2</span><br><span>--- /dev/null</span><br><span>+++ b/pcu/RAW_NS.ttcn</span><br><span>@@ -0,0 +1,213 @@</span><br><span style="color: hsl(120, 100%, 40%);">+module RAW_NS {</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Osmocom NS test suite for NS in TTCN-3</span><br><span style="color: hsl(120, 100%, 40%);">+ * (C) 2018-2019 Harald Welte <laforge@gnumonks.org></span><br><span style="color: hsl(120, 100%, 40%);">+ * All rights reserved.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * Released under the terms of GNU General Public License, Version 2 or</span><br><span style="color: hsl(120, 100%, 40%);">+ * (at your option) any later version.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * SPDX-License-Identifier: GPL-2.0-or-later</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+import from General_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from Osmocom_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from SGSN_Components all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from Osmocom_Gb_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from NS_CodecPort all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from NS_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from BSSGP_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from NS_CodecPort all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from NS_CodecPort_CtrlFunct all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from NS_Emulation all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from Native_Functions all;</span><br><span style="color: hsl(120, 100%, 40%);">+import from IPL4asp_Types all;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+public type component RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* UDP port towards the bottom (IUT) */</span><br><span style="color: hsl(120, 100%, 40%);">+ port NS_CODEC_PT NSCP[4];</span><br><span style="color: hsl(120, 100%, 40%);">+ var ConnectionId g_ns_conn_id[4] := {-1, -1, -1, -1};</span><br><span style="color: hsl(120, 100%, 40%);">+ var NSConfiguration g_nsconfig[4];</span><br><span style="color: hsl(120, 100%, 40%);">+ timer g_T_guard;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+public altstep as_Tguard() runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] g_T_guard.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Timeout of T_guard");</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+function f_init_ns_codec(integer idx := 0, float guard_secs := 60.0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var Result res;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not g_T_guard.running) {</span><br><span style="color: hsl(120, 100%, 40%);">+ g_T_guard.start(guard_secs);</span><br><span style="color: hsl(120, 100%, 40%);">+ activate(as_Tguard());</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not isbound(g_nsconfig) or not isbound(g_nsconfig[idx])) {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* copy most parts from mp_nsconfig */</span><br><span style="color: hsl(120, 100%, 40%);">+ g_nsconfig[idx] := mp_nsconfig;</span><br><span style="color: hsl(120, 100%, 40%);">+ /* adjust those parts different for each NS-VC */</span><br><span style="color: hsl(120, 100%, 40%);">+ g_nsconfig[idx].nsvci := mp_nsconfig.nsvci + idx;</span><br><span style="color: hsl(120, 100%, 40%);">+ g_nsconfig[idx].local_udp_port := mp_nsconfig.local_udp_port + idx;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ map(self:NSCP[idx], system:NSCP);</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Connect the UDP socket */</span><br><span style="color: hsl(120, 100%, 40%);">+ log("connecting NSCP[", idx, "] to ", g_nsconfig[idx]);</span><br><span style="color: hsl(120, 100%, 40%);">+ res := f_IPL4_connect(NSCP[idx], g_nsconfig[idx].remote_ip, g_nsconfig[idx].remote_udp_port,</span><br><span style="color: hsl(120, 100%, 40%);">+ g_nsconfig[idx].local_ip, g_nsconfig[idx].local_udp_port, 0, { udp := {}});</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not ispresent(res.connId)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Could not connect NS UDP socket, check your configuration ", g_nsconfig[idx]);</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ g_ns_conn_id[idx] := res.connId;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+function f_ns_exp(template PDU_NS exp_rx, integer idx := 0) runs on RAW_NS_CT return PDU_NS {</span><br><span style="color: hsl(120, 100%, 40%);">+ var NS_RecvFrom nrf;</span><br><span style="color: hsl(120, 100%, 40%);">+ log("f_ns_exp() expecting ", exp_rx);</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(exp_rx)) -> value nrf { }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Received unexpected NS: ", nrf);</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ return nrf.msg;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* perform outbound NS-ALIVE procedure */</span><br><span style="color: hsl(120, 100%, 40%);">+function f_outgoing_ns_alive(integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE));</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE_ACK));</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* perform outbound NS-ALIVE procedure */</span><br><span style="color: hsl(120, 100%, 40%);">+function f_outgoing_ns_alive_no_ack(integer idx := 0, float tout := 10.0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ timer T := tout;</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE));</span><br><span style="color: hsl(120, 100%, 40%);">+ T.start;</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE_ACK)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Received unexpected NS-ALIVE ACK");</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] T.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* perform outbound NS-BLOCK procedure */</span><br><span style="color: hsl(120, 100%, 40%);">+function f_outgoing_ns_block(NsCause cause, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_BLOCK(cause, g_nsconfig[idx].nsvci)));</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_BLOCK_ACK(g_nsconfig[idx].nsvci)));</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* receive NS-ALIVE and ACK it */</span><br><span style="color: hsl(120, 100%, 40%);">+altstep as_rx_alive_tx_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE_ACK));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not oneshot) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Transmit BSSGP RESET for given BVCI and expect ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+function f_tx_bvc_reset_rx_ack(BssgpBvci bvci, integer idx := 0, boolean exp_ack := true)</span><br><span style="color: hsl(120, 100%, 40%);">+runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET(BSSGP_CAUSE_NET_SV_CAP_MOD_GT_ZERO_KBPS, bvci,</span><br><span style="color: hsl(120, 100%, 40%);">+ mp_gb_cfg.cell_id));</span><br><span style="color: hsl(120, 100%, 40%);">+ timer T := 5.0;</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(120, 100%, 40%);">+ T.start;</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [exp_ack] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ decmatch tr_BVC_RESET_ACK(bvci, ?)))) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [exp_ack] T.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "No response to BVC-RESET");</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [not exp_ack] T.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Receive a BSSGP RESET for given BVCI and ACK it */</span><br><span style="color: hsl(120, 100%, 40%);">+altstep as_rx_bvc_reset_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(120, 100%, 40%);">+ /* FIXME: nail down received cell_id in match */</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ decmatch tr_BVC_RESET(?, bvci, ?))))</span><br><span style="color: hsl(120, 100%, 40%);">+ -> value ns_rf {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET_ACK(bvci, mp_gb_cfg.cell_id));</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not oneshot) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Receive a BSSGP UNBLOCK for given BVCI and ACK it */</span><br><span style="color: hsl(120, 100%, 40%);">+altstep as_rx_bvc_unblock_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ decmatch t_BVC_UNBLOCK(bvci))))</span><br><span style="color: hsl(120, 100%, 40%);">+ -> value ns_rf {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_tx := valueof(t_BVC_UNBLOCK_ACK(bvci));</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not oneshot) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Receive a BSSGP FLOW-CONTROL-BVC and ACK it */</span><br><span style="color: hsl(120, 100%, 40%);">+altstep as_rx_bvc_fc_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, bvci,</span><br><span style="color: hsl(120, 100%, 40%);">+ decmatch tr_BVC_FC_BVC)))</span><br><span style="color: hsl(120, 100%, 40%);">+ -> value ns_rf {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);</span><br><span style="color: hsl(120, 100%, 40%);">+ var OCT1 tag := bssgp_rx.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_BSSGP bssgp_tx := valueof(t_BVC_FC_BVC_ACK(tag));</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, bvci, enc_PDU_BSSGP(bssgp_tx))));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not oneshot) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/**********************************************************************************</span><br><span style="color: hsl(120, 100%, 40%);">+ * Classic Gb/IP bring-up test cases using NS-{RESET,BLOCK,UNBLOCK} and no IP-SNS *</span><br><span style="color: hsl(120, 100%, 40%);">+ **********************************************************************************/</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Receive a NS-RESET and ACK it */</span><br><span style="color: hsl(120, 100%, 40%);">+public altstep as_rx_ns_reset_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION, g_nsconfig[idx].nsvci,</span><br><span style="color: hsl(120, 100%, 40%);">+ g_nsconfig[idx].nsei))) -> value ns_rf {</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_RESET_ACK(g_nsconfig[idx].nsvci,</span><br><span style="color: hsl(120, 100%, 40%);">+ g_nsconfig[idx].nsei)));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not oneshot) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+/* Receive a NS-UNBLOCK and ACK it */</span><br><span style="color: hsl(120, 100%, 40%);">+public altstep as_rx_ns_unblock_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var NS_RecvFrom ns_rf;</span><br><span style="color: hsl(120, 100%, 40%);">+ [] NSCP[idx].receive(t_NS_RecvFrom(t_NS_UNBLOCK)) -> value ns_rf {</span><br><span style="color: hsl(120, 100%, 40%);">+ NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_UNBLOCK_ACK));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not oneshot) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/20005">change 20005</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/20005"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: osmo-ttcn3-hacks </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Id91aa81c4fb6689cd1353d88b4806d26868769e8 </div>
<div style="display:none"> Gerrit-Change-Number: 20005 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: lynxis lazus <lynxis@fe80.eu> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>