pespin has uploaded this change for review.
stp: Test combined linkset loadsharing
Related: SYS#7112
Change-Id: I20a67648072f4d9839b1d1fceded1680362bf979
---
M stp/STP_Tests_M3UA.cfg
M stp/STP_Tests_M3UA.ttcn
M stp/osmo-stp-m3ua.confmerge
3 files changed, 127 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/21/40521/1
diff --git a/stp/STP_Tests_M3UA.cfg b/stp/STP_Tests_M3UA.cfg
index dd0c97b..860bdd7 100644
--- a/stp/STP_Tests_M3UA.cfg
+++ b/stp/STP_Tests_M3UA.cfg
@@ -40,6 +40,24 @@
routing_ctx := 1042
},
{
+ asp_name := "asp-LS0-0-0",
+ is_server := false,
+ use_tcp := false,
+ remote_port := 2905,
+ local_port := 10002,
+ point_code := 44,
+ routing_ctx := 1044
+ },
+ {
+ asp_name := "asp-LS0-1-0",
+ is_server := false,
+ use_tcp := false,
+ remote_port := 2905,
+ local_port := 10003,
+ point_code := 45,
+ routing_ctx := 1045
+ },
+ {
asp_name := "asp-client0",
is_server := true,
use_tcp := false,
diff --git a/stp/STP_Tests_M3UA.ttcn b/stp/STP_Tests_M3UA.ttcn
index 497bd82..8559aa1 100644
--- a/stp/STP_Tests_M3UA.ttcn
+++ b/stp/STP_Tests_M3UA.ttcn
@@ -1655,6 +1655,90 @@
f_clear_m3ua();
}
+/* Test "traffic-mode loadshare" behavior. Validates ASP Loadsharing scenario
+ * (distributing traffic within ASPs of one AS).
+ * NOTE: This test does not validate AS Loadsharing, (distributing traffic
+ * within linksets/ASs of a combined linkset). */
+testcase TC_combinedlset_loadshare() runs on RAW_M3UA_CT {
+ var integer i;
+ var Misc_Helpers.ro_charstring asps := { "asp-sender", "asp-LS0-0-0", "asp-LS0-1-0" };
+ var M3uaConfigs m3ua_configs := m3ua_build_configs(asps);
+ var OCT4 rctx_sender := int2oct(m3ua_configs[0].routing_ctx, 4);
+ var OCT4 pc_sender := int2oct(m3ua_configs[0].point_code, 4);
+ var OCT4 rctx_receiver := int2oct(m3ua_configs[1].routing_ctx, 4);
+ var OCT4 rctx_receiver2 := int2oct(m3ua_configs[2].routing_ctx, 4);
+ var OCT4 pc_receiver := int2oct(99, 4);
+
+ f_init_m3ua(m3ua_configs := m3ua_configs);
+
+ /* bring up the 'sender' side (single ASP in AS) */
+ f_M3UA_asp_up_act(0, omit, rctx_sender);
+
+ /* activate the first 'receiver' side ASP */
+ f_M3UA_asp_up_act(1, c_M3UA_TMT_override, rctx_receiver);
+
+ /* verify traffic is routed from sender to [sole] receiver */
+ for (i := 0; i < 10; i := i+1) {
+ f_test_traffic(0, rctx_sender, pc_sender, 1, rctx_receiver, pc_receiver);
+ }
+
+ /* activate the second 'receiver' side ASP+AS */
+ f_M3UA_asp_up_act(2, c_M3UA_TMT_override, rctx_receiver);
+ //f_M3UA_exp(0, tr_M3UA_DAVA({*}, rctx_receiver2));
+ //f_M3UA_exp(1, tr_M3UA_DAVA({*}, rctx_receiver2));
+
+ /* verify traffic is routed from sender to new receiver */
+ const integer iter_per_asp := 20;
+ const integer NUM_SLS := 16; /* SLS in ITU is 4 bits. */
+ var integer num_rx_1 := 0;
+ var integer num_rx_2 := 0;
+ var Integers sls_num_rx_1 := {};
+ var Integers sls_num_rx_2 := {};
+ for (i := 0; i < NUM_SLS; i := i + 1) {
+ sls_num_rx_1 := sls_num_rx_1 & {0};
+ sls_num_rx_2 := sls_num_rx_2 & {0};
+ }
+ for (i := 0; i < 2*iter_per_asp; i := i+1) {
+ var octetstring data := f_rnd_octstring_rnd_len(100);
+ var template (value) M3UA_Protocol_Data tx_pd;
+ var template (present) M3UA_Protocol_Data rx_pd;
+ /* Distribute traffic over ASPs based on SLS, since OPC is always the same.
+ * SLS in ITU is 4 bits. */
+ var OCT1 sls := int2oct(i mod 16, 1);
+ tx_pd := ts_M3UA_protocol_data(pc_sender, pc_receiver, '23'O, '00'O, '00'O, sls, data);
+ rx_pd := tr_M3UA_protocol_data(pc_sender, pc_receiver, '23'O, '00'O, '00'O, sls, data);
+ f_M3UA_send(0, ts_M3UA_DATA(rctx_sender, tx_pd), 1);
+ alt {
+ [] as_count_rx_sls(1, tr_M3UA_DATA(rctx_receiver, rx_pd), sls_num_rx_1, num_rx_1);
+ [] as_count_rx_sls(2, tr_M3UA_DATA(rctx_receiver2, rx_pd), sls_num_rx_2, num_rx_2);
+ }
+ }
+
+ /* Make sure traffic was sent over both ASPs and that it was distributed: */
+ if (num_rx_1 == 0) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Rx 0 packets in 1st ASP!");
+ }
+ if (num_rx_2 == 0) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Rx 0 packets in 2nd ASP!");
+ }
+ if (num_rx_1 + num_rx_2 != 2*iter_per_asp) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ log2str("Rx ", num_rx_1 + num_rx_2 ," packets in total vs exp ", 2*iter_per_asp));
+ }
+
+ /* Check that a given SLS is not forwarded to both ASPs: */
+ for (i := 0; i < NUM_SLS; i := i+1) {
+ if (sls_num_rx_1[i] > 0 and sls_num_rx_2[i] > 0) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ log2str("Rx packets for SLS ", i, " in both ASPs!"));
+ }
+
+ }
+ setverdict(pass);
+
+ f_clear_m3ua();
+}
+
control {
/* M3UA Tests */
execute( TC_connect_asp_up() );
@@ -1671,6 +1755,7 @@
execute( TC_tmt_broadcast() );
execute( TC_act_rctx_data_no_rctx() );
execute( TC_m3ua_sctp_srv_adm_shutdown() );
+ execute( TC_combinedlset_loadshare() );
/* M3UA RKM tests */
execute( TC_rkm_reg_static_notpermitted() );
diff --git a/stp/osmo-stp-m3ua.confmerge b/stp/osmo-stp-m3ua.confmerge
index 65e2fa2..5bc337f 100644
--- a/stp/osmo-stp-m3ua.confmerge
+++ b/stp/osmo-stp-m3ua.confmerge
@@ -23,6 +23,21 @@
remote-ip ::1
role sg
sctp-role server
+ ! CombinedLinkset-loadsharing ASPs:
+ asp asp-LS0-0-0 10002 2905 m3ua
+ local-ip 127.0.0.1
+ local-ip ::1
+ remote-ip 127.0.0.1
+ remote-ip ::1
+ role sg
+ sctp-role server
+ asp asp-LS0-1-0 10003 2905 m3ua
+ local-ip 127.0.0.1
+ local-ip ::1
+ remote-ip 127.0.0.1
+ remote-ip ::1
+ role sg
+ sctp-role server
asp asp-client0 10002 2906 m3ua
local-ip 127.0.0.1
local-ip ::1
@@ -51,6 +66,13 @@
asp asp-receiver0
asp asp-receiver1
routing-key 1042 42
+ ! CombinedLinkset-loadsharing ASs:
+ as as-LS0-0 m3ua
+ routing-key 1044 44
+ asp asp-LS0-0-0
+ as as-LS0-1 m3ua
+ routing-key 1045 45
+ asp asp-LS0-1-0
as as-client m3ua
routing-key 1055 55
asp asp-client0
@@ -66,6 +88,8 @@
route-table system
update route 23 16777215 linkset as-sender
update route 42 16777215 linkset as-receiver
+ update route 99 16777215 linkset as-LS0-0 priority 3
+ update route 99 16777215 linkset as-LS0-1 priority 3
update route 55 16777215 linkset as-client
update route 60 16777215 linkset as-client60-norctx
update route 61 16777215 linkset as-client61-norctx
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