sccp: Introduce test TC_tiar_timeout

Existing templates are moved to SCPP_Templates.ttcn and new ones
required for the test are added there.

Related: OS#4343
Change-Id: I7b56fe77ac3b350d722c74b043e6ecabc48dcf31
This commit is contained in:
Pau Espin 2020-01-20 13:20:58 +01:00
parent 94b7a68f76
commit a2473da683
2 changed files with 205 additions and 50 deletions

View File

@ -9,6 +9,8 @@
module SCCP_Templates {
import from General_Types all;
import from SCCP_Types all;
import from SCCPasp_Types all;
import from SCCP_Emulation all;
@ -66,5 +68,134 @@ template (value) SCCP_PAR_Address ts_SccpAddr_PC_GT(integer pc, octetstring sio,
}
}
/* connection oriented SCCP */
const SCCP_param_ProtocolClass c_class2 := { class:='0010'B, messageHandling:='0000'B };//class 2
function ts_SCCP_CR(OCT3 source_lref, SCCP_PAR_Address calling, SCCP_PAR_Address called)
return template (value) PDU_SCCP {
var SCCP_param_CPartyAddressEnc calling_enc := ConvertASPAddressToEncodedAddress_itu(calling);
var template (value) PDU_SCCP ret := {
connrequest := {
messageType := cr,
sourceLocRef := source_lref,
protClass := c_class2,
pointer1 := 2,
pointer2 := 0, /* overwritten */
calledPAddress := ConvertASPAddressToEncodedAddress_itu(called),
optionalPart := {
credit := omit,
callingPAddress := {
paramName := con_SCCP_cgPA,
paramLength := calling_enc.paramLength, /* overwritten */
addr := calling_enc.addr
},
data := omit,
hopCounter := omit,
importance := omit
},
eop := { paramName:= con_SCCP_eop }
}
}
return ret;
}
template (present) PDU_SCCP tr_SCCP_CC(template (present) OCT3 source_lref,
template (present) OCT3 dest_lref) := {
connconfirm := {
messageType := cc,
destLocRef := dest_lref,
sourceLocRef := source_lref,
protClass := c_class2,
pointer1 := ?,
optionalPart := *,
eop := *
}
}
template (value) PDU_SCCP ts_SCCP_UDT(SCCP_PAR_Address calling, SCCP_PAR_Address called,
template (value) octetstring data,
template (value) BIT4 msg_hdl := '0000'B) := {
unitdata := {
messageType := udt,
protClass := {'0000'B, msg_hdl},
pointer1 := 0, /* overwritten */
pointer2 := 0, /* overwritten */
pointer3 := 0, /* overwritten */
calledPAddress := ConvertASPAddressToEncodedAddress_itu(called),
callingPAddress := ConvertASPAddressToEncodedAddress_itu(calling),
data := {
paramLength := 0,
data := data
}
}
}
template PDU_SCCP tr_SCCP_UDT(SCCP_PAR_Address calling, SCCP_PAR_Address called,
template octetstring data := ?,
template BIT4 msg_hdl := '0000'B) := {
unitdata := {
messageType := udt,
protClass := {'0000'B, msg_hdl},
pointer1 := ?,
pointer2 := ?,
pointer3 := ?,
calledPAddress := ConvertASPAddressToEncodedAddress_itu(called),
callingPAddress := ConvertASPAddressToEncodedAddress_itu(calling),
data := {
paramLength := lengthof(data),
data := data
}
}
}
template PDU_SCCP tr_SCCP_IT(template (present) OCT3 source_lref := ?,
template (present) OCT3 dest_lref := ?) := {
inacttest := {
messageType := it,
destLocRef := dest_lref,
sourceLocRef := source_lref,
protClass := c_class2,
sequencingSegmenting := {
reserved := ?,
p_s := ?,
more := ?,
pr := ?
},
credit := ?
}
}
template PDU_SCCP tr_SCCP_RLSD(template (present) OCT3 source_lref := ?,
template (present) OCT3 dest_lref := ?,
template (present) SCCP_param_ReleaseCause relcause := ?) := {
released := {
messageType := rlsd,
destLocRef := dest_lref,
sourceLocRef := source_lref,
releaseCause := relcause,
pointer1 := ?,
optionalPart := *,
eop := *
}
}
template PDU_SCCP ts_SCCP_RLC(OCT3 source_lref, OCT3 dest_lref) := {
relcomp := {
messageType := rlc,
destLocRef := dest_lref,
sourceLocRef := source_lref
}
}
template PDU_SCCP tr_SCCP_RLC(template (present) OCT3 source_lref := ?,
template (present) OCT3 dest_lref := ?) := {
relcomp := {
messageType := rlc,
destLocRef := dest_lref,
sourceLocRef := source_lref
}
}
}

View File

@ -38,6 +38,33 @@ type component SCCP_Test_RAW_CT {
port SCCP_CODEC_PT MTP3;
var MSC_SCCP_MTP3_parameters g_param;
/*Configure T(tias) over VTY, seconds */
var integer g_demo_sccp_timer_ias := 7 * 60;
/*Configure T(tiar) over VTY, seconds */
var integer g_demo_sccp_timer_iar := 15 * 60;
}
type record of charstring Commands;
private function f_cs7_inst_0_cfg(TELNETasp_PT pt, Commands cmds := {})
{
f_vty_enter_cfg_cs7_inst(pt, 0);
for (var integer i := 0; i < sizeof(cmds); i := i+1) {
f_vty_transceive(pt, cmds[i]);
}
f_vty_transceive(pt, "end");
}
function f_init_vty() runs on SCCP_Test_RAW_CT {
if (SCCP_DEMO_USER_VTY.checkstate("Mapped")) {
/* skip initialization if already executed once */
return;
}
map(self:SCCP_DEMO_USER_VTY, system:SCCP_DEMO_USER_VTY);
f_vty_set_prompts(SCCP_DEMO_USER_VTY);
f_vty_transceive(SCCP_DEMO_USER_VTY, "enable");
f_cs7_inst_0_cfg(SCCP_DEMO_USER_VTY, {"sccp-timer ias " & int2str(g_demo_sccp_timer_ias),
"sccp-timer iar " & int2str(g_demo_sccp_timer_iar)});
}
private function f_init_raw(SCCP_Configuration cfg) runs on SCCP_Test_RAW_CT {
@ -54,9 +81,7 @@ private function f_init_raw(SCCP_Configuration cfg) runs on SCCP_Test_RAW_CT {
ssn := cfg.own_ssn
};
map(self:SCCP_DEMO_USER_VTY, system:SCCP_DEMO_USER_VTY);
f_vty_set_prompts(SCCP_DEMO_USER_VTY);
f_vty_transceive(SCCP_DEMO_USER_VTY, "enable");
f_init_vty();
/* Create and connect test components */
vc_M3UA := M3UA_CT.create;
@ -73,51 +98,6 @@ private function f_cleanup() runs on SCCP_Test_RAW_CT {
self.stop
}
/* connection oriented SCCP */
const SCCP_param_ProtocolClass c_class2 := { class:='0010'B, messageHandling:='0000'B };//class 2
function ts_SCCP_CR(OCT3 source_lref, SCCP_PAR_Address calling, SCCP_PAR_Address called)
return template (value) PDU_SCCP {
var SCCP_param_CPartyAddressEnc calling_enc := ConvertASPAddressToEncodedAddress_itu(calling);
var template (value) PDU_SCCP ret := {
connrequest := {
messageType := cr,
sourceLocRef := source_lref,
protClass := c_class2,
pointer1 := 2,
pointer2 := 0, /* overwritten */
calledPAddress := ConvertASPAddressToEncodedAddress_itu(called),
optionalPart := {
credit := omit,
callingPAddress := {
paramName := con_SCCP_cgPA,
paramLength := calling_enc.paramLength, /* overwritten */
addr := calling_enc.addr
},
data := omit,
hopCounter := omit,
importance := omit
},
eop := { paramName:= con_SCCP_eop }
}
}
return ret;
}
template (present) PDU_SCCP tr_SCCP_CC(template (present) OCT3 dest_lref,
template (present) OCT3 source_lref) := {
connconfirm := {
messageType := cc,
destLocRef := dest_lref,
sourceLocRef := source_lref,
protClass := c_class2,
pointer1 := ?,
optionalPart := *,
eop := *
}
}
private function f_send_sccp(template PDU_SCCP sccp) runs on SCCP_Test_RAW_CT {
var SCCP_MTP3_TRANSFERreq tx := {
sio := g_param.sio,
@ -155,21 +135,65 @@ private function f_exp_sccp(template PDU_SCCP sccp) runs on SCCP_Test_RAW_CT {
}
}
private function f_establish_conn(SCCP_PAR_Address calling, SCCP_PAR_Address called) runs on SCCP_Test_RAW_CT {
f_send_sccp(ts_SCCP_CR('000001'O, calling, called));
f_exp_sccp(tr_SCCP_CC('000000'O, '000001'O));
}
private function f_tx_udt_exp(SCCP_PAR_Address calling, SCCP_PAR_Address called, octetstring data) runs on SCCP_Test_RAW_CT {
f_send_sccp(ts_SCCP_UDT(calling, called, data));
f_exp_sccp(tr_SCCP_UDT(called, calling, data));
}
/* Verify sccp_demo_user answers a CR with a CC for PC and SSN set up to echo back */
testcase TC_cr_cc() runs on SCCP_Test_RAW_CT {
var SCCP_PAR_Address calling, called;
f_init_raw(mp_sccp_cfg[0]);
f_sleep(1.0);
called := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].peer_pc, mp_sccp_cfg[0].peer_ssn,
mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
calling := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].own_pc, mp_sccp_cfg[0].own_ssn,
mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
f_establish_conn(calling, called);
}
/* Verify T(iar) triggers and releases the channel */
testcase TC_tiar_timeout() runs on SCCP_Test_RAW_CT {
var SCCP_PAR_Address calling, called;
var octetstring data := f_rnd_octstring(f_rnd_int(100));
/* Set T(iar) in sccp_demo_user low enough that it will trigger before other side
has time to keep alive with a T(ias). Keep recommended ratio of
T(iar) >= T(ias)*2 */
g_demo_sccp_timer_ias := 2;
g_demo_sccp_timer_iar := 5;
f_init_raw(mp_sccp_cfg[0]);
f_sleep(1.0);
f_send_sccp(ts_SCCP_CR('000001'O, calling, called));
f_exp_sccp(tr_SCCP_CC('000001'O, ?));
called := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].peer_pc, mp_sccp_cfg[0].peer_ssn,
mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
calling := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].own_pc, mp_sccp_cfg[0].own_ssn,
mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
f_establish_conn(calling, called);
f_tx_udt_exp(calling, called, data);
log("Waiting for first IT");
f_exp_sccp(tr_SCCP_IT(?, ?));
log("Waiting for second IT");
f_exp_sccp(tr_SCCP_IT(?, ?));
log("Waiting for RLSD");
f_exp_sccp(tr_SCCP_RLSD(?, ?, hex2int('0D'H))); /* Cause: Expiration of Rx Inactivity Timer */
f_send_sccp(ts_SCCP_RLC('000001'O, '000000'O));
}
control {
execute( TC_cr_cc() );
execute( TC_tiar_timeout() );
}