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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21222 )
Change subject: gbproxy: Allow dynamic connect/disconnect of ConnHdlr at runtime
......................................................................
gbproxy: Allow dynamic connect/disconnect of ConnHdlr at runtime
We want to move a virtual subscriber between BVC with one NSE,
but also to other NSE/PCU at runtime. The number of BVC and NSE
may be large in a given test config, and we really don't need
hundreds of test ports per component; Instead, reconnect the
test ports to whichever BVC we want at runtime.
Change-Id: I56b088b582f2d070547ee24f2d7a175d84fb5861
---
M gbproxy/GBProxy_Tests.ttcn
1 file changed, 50 insertions(+), 23 deletions(-)
Approvals:
laforge: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index 7dd2c17..242b7e9 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -219,12 +219,19 @@
};
type component BSSGP_ConnHdlr {
+ /* array of per-BVC ports on the PCU side */
port BSSGP_PT PCU[NUM_PCU];
port BSSGP_PT PCU_SIG[NUM_PCU];
port BSSGP_PROC_PT PCU_PROC[NUM_PCU];
+ /* component reference to the component to which we're currently connected */
+ var BSSGP_BVC_CT pcu_ct[NUM_PCU];
+
+ /* array of per-BVC ports on the SGSN side */
port BSSGP_PT SGSN[NUM_SGSN];
port BSSGP_PT SGSN_SIG[NUM_SGSN];
port BSSGP_PROC_PT SGSN_PROC[NUM_SGSN];
+ /* component reference to the component to which we're currently connected */
+ var BSSGP_BVC_CT sgsn_ct[NUM_PCU];
var BSSGP_ConnHdlrPars g_pars;
timer g_Tguard;
@@ -252,6 +259,7 @@
OCT4 tlli_old optional,
RoutingAreaIdentificationV ra optional,
GbInstances pcu,
+ GbInstances sgsn,
float t_guard
};
@@ -428,29 +436,50 @@
tlli_old := omit,
ra := omit,
pcu := g_pcu,
+ sgsn := g_sgsn,
t_guard := t_guard
};
vc_conn := BSSGP_ConnHdlr.create(id);
- // PDU side
- connect(vc_conn:PCU[0], pcu[0].vc_BSSGP_BVC[0]:BSSGP_SP);
- connect(vc_conn:PCU_SIG[0], pcu[0].vc_BSSGP_BVC[0]:BSSGP_SP_SIG);
- connect(vc_conn:PCU_PROC[0], pcu[0].vc_BSSGP_BVC[0]:BSSGP_PROC);
- connect(vc_conn:PCU[1], pcu[1].vc_BSSGP_BVC[0]:BSSGP_SP);
- connect(vc_conn:PCU_SIG[1], pcu[1].vc_BSSGP_BVC[0]:BSSGP_SP_SIG);
- connect(vc_conn:PCU_PROC[1], pcu[1].vc_BSSGP_BVC[0]:BSSGP_PROC);
- connect(vc_conn:PCU[2], pcu[2].vc_BSSGP_BVC[0]:BSSGP_SP);
- connect(vc_conn:PCU_SIG[2], pcu[2].vc_BSSGP_BVC[0]:BSSGP_SP_SIG);
- connect(vc_conn:PCU_PROC[2], pcu[2].vc_BSSGP_BVC[0]:BSSGP_PROC);
- // SGSN side
- connect(vc_conn:SGSN[0], sgsn[0].vc_BSSGP_BVC[0]:BSSGP_SP);
- connect(vc_conn:SGSN_SIG[0], sgsn[0].vc_BSSGP_BVC[0]:BSSGP_SP_SIG);
- connect(vc_conn:SGSN_PROC[0], sgsn[0].vc_BSSGP_BVC[0]:BSSGP_PROC);
vc_conn.start(f_handler_init(fn, id, pars));
return vc_conn;
}
+/* Connect the PCU-side per-BVC ports (PCU/PCU_SIG/PCU_PROC) array slot 'port_idx' to specified per-BVC component */
+private function f_connect_to_pcu_bvc(integer port_idx, BSSGP_BVC_CT bvc_ct) runs on BSSGP_ConnHdlr {
+ if (PCU[port_idx].checkstate("Connected")) {
+ /* unregister + disconnect from old BVC */
+ f_client_unregister(g_pars.imsi, PCU_PROC[port_idx]);
+ disconnect(self:PCU[port_idx], pcu_ct[port_idx]:BSSGP_SP);
+ disconnect(self:PCU_SIG[port_idx], pcu_ct[port_idx]:BSSGP_SP_SIG);
+ disconnect(self:PCU_PROC[port_idx], pcu_ct[port_idx]:BSSGP_PROC);
+ }
+ /* connect to new BVC and register us */
+ connect(self:PCU[port_idx], bvc_ct:BSSGP_SP);
+ connect(self:PCU_SIG[port_idx], bvc_ct:BSSGP_SP_SIG);
+ connect(self:PCU_PROC[port_idx], bvc_ct:BSSGP_PROC);
+ f_client_register(g_pars.imsi, g_pars.tlli, PCU_PROC[port_idx]);
+ pcu_ct[port_idx] := bvc_ct;
+}
+
+/* Connect the SGSN-side per-BVC ports (SGSN/SGSN_SIG/SGSN_PROC) array slot 'port_idx' to specified per-BVC component */
+private function f_connect_to_sgsn_bvc(integer port_idx, BSSGP_BVC_CT bvc_ct) runs on BSSGP_ConnHdlr {
+ if (SGSN[port_idx].checkstate("Connected")) {
+ /* unregister + disconnect from old BVC */
+ f_client_unregister(g_pars.imsi, SGSN_PROC[port_idx]);
+ disconnect(self:SGSN[port_idx], sgsn_ct[port_idx]:BSSGP_SP);
+ disconnect(self:SGSN_SIG[port_idx], sgsn_ct[port_idx]:BSSGP_SP_SIG);
+ disconnect(self:SGSN_PROC[port_idx], sgsn_ct[port_idx]:BSSGP_PROC);
+ }
+ /* connect to new BVC and register us */
+ connect(self:SGSN[port_idx], bvc_ct:BSSGP_SP);
+ connect(self:SGSN_SIG[port_idx], bvc_ct:BSSGP_SP_SIG);
+ connect(self:SGSN_PROC[port_idx], bvc_ct:BSSGP_PROC);
+ f_client_register(g_pars.imsi, g_pars.tlli, SGSN_PROC[port_idx]);
+ sgsn_ct[port_idx] := bvc_ct;
+}
+
private altstep as_Tguard() runs on BSSGP_ConnHdlr {
[] g_Tguard.timeout {
setverdict(fail, "Tguard timeout");
@@ -467,16 +496,14 @@
llc := f_llc_create(false);
- /* register for our IMSI + TLLI */
- for (i := 0; i < sizeof(SGSN_PROC); i := i+1) {
- if (SGSN_PROC[i].checkstate("Connected")) {
- f_client_register(g_pars.imsi, g_pars.tlli, SGSN_PROC[i]);
- }
+ /* default connections on PCU side: First BVC of each NSE/PCU */
+ for (i := 0; i < lengthof(g_pars.pcu); i := i+1) {
+ f_connect_to_pcu_bvc(i, g_pars.pcu[i].vc_BSSGP_BVC[0]);
}
- for (i := 0; i < sizeof(PCU_PROC); i := i+1) {
- if (PCU_PROC[i].checkstate("Connected")) {
- f_client_register(g_pars.imsi, g_pars.tlli, PCU_PROC[i]);
- }
+
+ /* default connections on SGSN side: First BVC of each NSE/SGSN */
+ for (i := 0; i < lengthof(g_pars.sgsn); i := i+1) {
+ f_connect_to_sgsn_bvc(i, g_pars.sgsn[i].vc_BSSGP_BVC[0]);
}
g_Tguard.start(pars.t_guard);
--
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21222
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I56b088b582f2d070547ee24f2d7a175d84fb5861
Gerrit-Change-Number: 21222
Gerrit-PatchSet: 2
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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