sccp: Introduce test TC_it_avoids_tiar
Related: OS#4343 Change-Id: I3a970a9b7ed7fb178095760025dd83c570dcff5e
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@ -166,6 +166,24 @@ template PDU_SCCP tr_SCCP_IT(template (present) OCT3 source_lref := ?,
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}
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}
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template PDU_SCCP ts_SCCP_IT(template (present) OCT3 source_lref,
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template (present) OCT3 dest_lref) := {
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inacttest := {
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messageType := it,
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destLocRef := dest_lref,
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sourceLocRef := source_lref,
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protClass := c_class2,
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/* rfc3868 3.3.11: sequencing and credit are ignored with class2 */
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sequencingSegmenting := {
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reserved := '0'B,
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p_s := '0000000'B,
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more := '0'B,
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pr := '0000000'B
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},
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credit := '00'O
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}
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}
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template PDU_SCCP tr_SCCP_RLSD(template (present) OCT3 source_lref := ?,
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template (present) OCT3 dest_lref := ?,
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template (present) SCCP_param_ReleaseCause relcause := ?) := {
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@ -111,10 +111,9 @@ private function f_send_sccp(template PDU_SCCP sccp) runs on SCCP_Test_RAW_CT {
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MTP3.send(tx);
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}
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private function f_exp_sccp(template PDU_SCCP sccp)
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runs on SCCP_Test_RAW_CT return SCCP_MTP3_TRANSFERind {
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private function tr_SCCP_MTP3_TRANSFERind(template PDU_SCCP sccp)
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runs on SCCP_Test_RAW_CT return template SCCP_MTP3_TRANSFERind {
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var SCCP_MTP3_TRANSFERind rx;
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var template SCCP_MTP3_TRANSFERind exp := {
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sio := g_param.sio,
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opc := g_param.dpc,
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@ -122,6 +121,13 @@ runs on SCCP_Test_RAW_CT return SCCP_MTP3_TRANSFERind {
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sls := g_param.sls,
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data := sccp
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};
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return exp;
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}
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private function f_exp_sccp(template PDU_SCCP sccp)
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runs on SCCP_Test_RAW_CT return SCCP_MTP3_TRANSFERind {
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var template SCCP_MTP3_TRANSFERind exp := tr_SCCP_MTP3_TRANSFERind(sccp);
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var SCCP_MTP3_TRANSFERind rx;
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timer T := 10.0;
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T.start;
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alt {
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@ -237,10 +243,78 @@ testcase TC_tiar_timeout() runs on SCCP_Test_RAW_CT {
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setverdict(pass);
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}
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/* Verify T(iar) triggers and releases the channel */
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testcase TC_it_avoids_tiar() runs on SCCP_Test_RAW_CT {
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var SCCP_PAR_Address calling, called;
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var OCT3 remote_lref;
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var boolean it_received := false;
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g_demo_sccp_timer_ias := 1;
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g_demo_sccp_timer_iar := 3;
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f_init_raw(mp_sccp_cfg[0]);
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f_sleep(1.0);
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called := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].peer_pc, mp_sccp_cfg[0].peer_ssn,
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mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
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calling := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].own_pc, mp_sccp_cfg[0].own_ssn,
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mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
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remote_lref := f_establish_conn(calling, called);
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timer T_total := 7.0; /* Higher than g_demo_sccp_timer_iar */
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timer T_tias := 1.0; /* Lower than g_demo_sccp_timer_iar */
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T_total.start;
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T_tias.start;
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alt {
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[] MTP3.receive(tr_SCCP_MTP3_TRANSFERind(tr_SCCP_IT(remote_lref, g_own_lref))) {
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it_received := true;
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repeat;
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}
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[] MTP3.receive(tr_SCCP_MTP3_TRANSFERind(tr_SCCP_RLSD(remote_lref, g_own_lref, hex2int('0D'H)))) {
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setverdict(fail, "Unexpected SCCP RLSD received");
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self.stop;
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}
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[] MTP3.receive {
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setverdict(fail, "Unexpected MTP/SCCP received");
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self.stop;
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}
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[] T_tias.timeout {
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f_send_sccp(ts_SCCP_IT(g_own_lref, remote_lref));
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T_tias.start;
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repeat;
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}
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[] T_total.timeout {
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/* We kept the connection alive only with IT messages for a while, cool! */
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T_tias.stop;
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setverdict(pass);
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}
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}
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if (not it_received) {
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setverdict(fail, "Didn't receive any IT (Tias) from peer");
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}
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/* After we stop sending IT, we should be receiving an RLSD triggered from T(iar) */
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log("Waiting for RLSD");
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alt {
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[] MTP3.receive(tr_SCCP_MTP3_TRANSFERind(tr_SCCP_IT(remote_lref, g_own_lref))) {
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repeat;
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}
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[] MTP3.receive(tr_SCCP_MTP3_TRANSFERind(tr_SCCP_RLSD(remote_lref, g_own_lref, hex2int('0D'H)))) {
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f_send_sccp(ts_SCCP_RLC(g_own_lref, remote_lref));
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setverdict(pass);
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}
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[] MTP3.receive {
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setverdict(fail, "Unexpected MTP/SCCP received");
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self.stop;
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}
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}
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}
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control {
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execute( TC_cr_cc() );
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execute( TC_udt_without_cr_cc() );
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execute( TC_tiar_timeout() );
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execute( TC_it_avoids_tiar() );
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}
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