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module GGSN_Tests {
import from General_Types all;
import from IPL4asp_PortType all;
import from IPL4asp_Types all;
import from GTP_CodecPort all;
import from GTP_CodecPort_CtrlFunct all;
import from GTPC_Types all;
import from GTPU_Types all;
const integer GTP0_PORT := 3386;
const integer GTP1C_PORT := 2123;
const integer GTP1U_PORT := 2152;
const charstring g_bind_ip := "127.23.42.1";
type component GT_CT {
port GTPC_PT GTPC;
port GTPU_PT GTPU;
var OCT1 g_restart_ctr := '01'O;
/* FIXME: unify with g_bind_ip + parse from config file */
var OCT4 g_sgsn_ip := '7f172a01'O;
/* FIXME: parse remName from config file */
var GtpPeer g_peer := { connId := 0, remName := "127.0.0.6", remPort := GTP1C_PORT };
timer T_default := 3.0;
}
function f_init() runs on GT_CT {
var Result res;
map(self:GTPC, system:GTPC);
res := GTP_CodecPort_CtrlFunct.f_IPL4_listen(GTPC, g_bind_ip, GTP1C_PORT, {udp:={}});
log("GTP1C ConnectionID: ", res.connId);
g_peer.connId := res.connId;
map(self:GTPU, system:GTPU);
GTP_CodecPort_CtrlFunct.f_GTPU_listen(GTPU, g_bind_ip, GTP1U_PORT, {udp:={}});
}
/* generalized GTP-C receive template */
template PDU_GTPC tr_GTP1C_PDU(template OCT1 msg_type, template OCT4 teid) := {
/* N-PDU Number flag (PN) shall be set to '0'. A GTP-C receiver shall not return an
* error if this flag is set to '1'. */
pn_bit := '0'B,
/* Sequence number flag (S) shall be set to '1'. */
s_bit := '1'B,
e_bit := ?,
spare := ?,
/* Protocol Type flag (PT) shall be set to '1'.*/
pt := '1'B,
/* Version shall be set to decimal 1 ('001'). */
version := '001'B,
messageType := msg_type,
lengthf := ?,
teid := teid,
opt_part := *,
gtpc_pdu := ?
}
/* generalized GTP-C send template */
template PDU_GTPC ts_GTP1C_PDU(OCT1 msg_type, OCT4 teid, GTPC_PDUs pdu) := {
/* N-PDU Number flag (PN) shall be set to '0'. A GTP-C receiver shall not return an
* error if this flag is set to '1'. */
pn_bit := '0'B,
/* Sequence number flag (S) shall be set to '1'. */
s_bit := '1'B,
e_bit := '0'B,
spare := '0'B,
/* Protocol Type flag (PT) shall be set to '1'.*/
pt := '1'B,
/* Version shall be set to decimal 1 ('001'). */
version := '001'B,
messageType := msg_type,
lengthf := 0, /* we assume encoder overwrites this */
teid := teid,
opt_part := {
sequenceNumber := '9801'O,
npduNumber := '00'O,
nextExtHeader := '00'O,
gTPC_extensionHeader_List := omit
},
gtpc_pdu := pdu
}
/* recovery IE */
template Recovery_gtpc ts_Recovery(OCT1 restart_counter) := {
type_gtpc := '00'O, /* we assume encoder fixes this */
restartCounter := restart_counter
}
/* template matching reception of GTP-C echo-request */
template Gtp1cUnitdata tr_GTPC_MsgType(template GtpPeer peer, template OCT1 msg_type, template OCT4 teid) := {
peer := peer,
gtpc := tr_GTP1C_PDU(msg_type, teid)
}
/* template matching reception of GTP-C echo-request */
template Gtp1cUnitdata tr_GTPC_PING(template GtpPeer peer) := tr_GTPC_MsgType(peer, echoRequest, '00000000'O);
template GTPC_PDUs ts_EchoRespPDU(OCT1 restart_counter) := {
echoResponse := {
recovery := {
type_gtpc := '00'O, /* we assume encoder fixes? */
restartCounter := restart_counter
},
private_extension_gtpc := omit
}
}
/* master template for senidng a GTP-C echo response */
template Gtp1cUnitdata ts_GTPC_PONG(GtpPeer peer, OCT1 rest_ctr) := {
peer := peer,
gtpc := ts_GTP1C_PDU(echoResponse, '00000000'O, valueof(ts_EchoRespPDU(rest_ctr)))
}
template EndUserAddress t_EuaIPv4(template OCT4 ip_addr) := {
type_gtpc := '80'O,
endUserAddress := {
endUserAddressIPv4 := {
lengthf := 2,
pdp_typeorg := '0001'B,
spare := '1111'B,
pdp_typenum := '21'O,
ipv4_address := ip_addr
}
}
}
template EndUserAddress t_EuaIPv4Dyn := t_EuaIPv4(omit);
template EndUserAddress t_EuaIPv6(template OCT16 ip_addr) := {
type_gtpc := '80'O,
endUserAddress := {
endUserAddressIPv6 := {
lengthf := 2,
pdp_typeorg := '0001'B,
spare := '1111'B,
pdp_typenum := '57'O,
ipv6_address := ip_addr
}
}
}
template EndUserAddress t_EuaIPv6Dyn := t_EuaIPv6(omit);
template AccessPointName ts_APN(octetstring apn) := {
type_gtpc := '83'O,
lengthf := lengthof(apn),
apn_value := apn
}
template GSN_Address_GTPC ts_GsnAddr(octetstring ip_addr) := {
type_gtpc := '85'O,
lengthf := lengthof(ip_addr),
addressf := ip_addr
}
template MSISDN ts_Msisdn(octetstring msisdn) := {
type_gtpc := '86'O,
lengthf := lengthof(msisdn),
msisdn := msisdn
}
template QualityOfServiceProfile ts_QosDefault := {
type_gtpc := '87'O,
lengthf := 4,
allocRetensionPrio := '00'O,
qos_ProfileValue := {
reliabilityClass := '011'B,
delayClass := '001'B,
spare1 := '00'B,
precedenceClass := '010'B,
spare2 := '0'B,
peakThroughput := '1001'B,
meanThroughput := '11111'B,
spare3 := '000'B,
deliverErroneusSDU := omit,
deliveryOrder := omit,
trafficClass := omit,
maxSDUSize := omit,
maxBitrateUplink := omit,
maxBitrateDownlink := omit,
sduErrorRatio := omit,
residualBER := omit,
trafficHandlingPriority := omit,
transferDelay := omit,
guaranteedBitRateUplink := omit,
guaranteedBitRateDownlink := omit,
sourceStatisticsDescriptor := omit,
signallingIndication := omit,
spare4 := omit,
maxBitrateDownlinkExt := omit,
guaranteedBitRateDownlinkExt := omit,
maxBitrateUplinkExt := omit,
guaranteedBitRateUplinkExt := omit
}
}
template IMSI_gtpc ts_Imsi(hexstring digits) := {
type_gtpc := '02'O,
digits := digits,
padding := 'F'H
}
template GTPC_PDUs ts_CreatePdpPDU(hexstring imsi, OCT1 restart_ctr, OCT4 teid_data, OCT4 teid_ctrl,
BIT4 nsapi, EndUserAddress eua, octetstring apn,
octetstring sgsn_ip_sign, octetstring sgsn_ip_data,
octetstring msisdn) := {
createPDPContextRequest := {
imsi := ts_Imsi(imsi),
rai := omit,
recovery := ts_Recovery(restart_ctr),
selectionMode := {
type_gtpc := '0F'O,
selectModeValue := '00'B,
spare := '111111'B
},
teidDataI := {
type_gtpc := '00'O,
teidDataI := teid_data
},
teidControlPlane := {
type_gtpc := '00'O,
teidControlPlane := teid_ctrl
},
nsapi := {
type_gtpc := '00'O,
nsapi := nsapi,
unused := '0000'B
},
linked_nsapi := omit,
charging_char := omit,
trace_ref := omit,
trace_type := omit,
endUserAddress := eua,
accessPointName := ts_APN(apn),
protConfigOptions := omit,
sgsn_addr_signalling := ts_GsnAddr(sgsn_ip_sign),
sgsn_addr_traffic := ts_GsnAddr(sgsn_ip_data),
msisdn := ts_Msisdn(msisdn),
qualityOfServiceProfile := ts_QosDefault,
tft := omit,
triggerId := omit,
omcId := omit,
commonFlags := omit,
aPN_Restriction := omit,
ratType := omit,
userLocationInformation := omit,
mS_TimeZone := omit,
imeisv := omit,
camelChargingInformationContainer := omit,
additionalTraceInfo := omit,
correlationID := omit,
evolvedAllocationRetentionPriorityI := omit,
extendedCommonFlags := omit,
userCSGInformation := omit,
aPN_AMBR := omit,
signallingPriorityIndication := omit,
cN_OperatorSelectionEntity := omit,
private_extension_gtpc := omit
}
}
template Gtp1cUnitdata ts_GTPC_CreatePDP(GtpPeer peer, hexstring imsi, OCT1 restart_ctr, OCT4 teid_data,
OCT4 teid_ctrl, BIT4 nsapi, EndUserAddress eua,
octetstring apn, octetstring sgsn_ip_sign,
octetstring sgsn_ip_data, octetstring msisdn) := {
peer := peer,
gtpc := ts_GTP1C_PDU(createPDPContextRequest, '00000000'O,
valueof(ts_CreatePdpPDU(imsi, restart_ctr, teid_data, teid_ctrl,
nsapi, eua, apn, sgsn_ip_sign,
sgsn_ip_data, msisdn)))
}
/* Altstep implementing responses to any incoming echo requests */
altstep pingpong() runs on GT_CT {
var Gtp1cUnitdata ud;
[] GTPC.receive(tr_GTPC_PING(?)) -> value ud {
GTPC.send(ts_GTPC_PONG(ud.peer, '00'O));
repeat;
};
//[] GTPU.receive(tr_GTP_PING(?)) {};
[] T_default.timeout { setverdict(fail); };
}
template octetstring t_ApnInternet := '08696E7465726E6574'O;
function f_pdp_ctx_act(hexstring imsi, BIT4 nsapi, EndUserAddress eua, octetstring apn, octetstring msisdn) runs on GT_CT {
var Gtp1cUnitdata ud;
var octetstring teid := '01020304'O;
var default d;
log("sending CreatePDP");
GTPC.send(ts_GTPC_CreatePDP(g_peer, imsi, g_restart_ctr, teid, teid, nsapi, eua, apn, g_sgsn_ip, g_sgsn_ip, msisdn));
T_default.start;
d := activate(pingpong());
alt {
[] GTPC.receive(tr_GTPC_MsgType(g_peer, createPDPContextResponse, teid)) -> value ud {
if (ud.gtpc.gtpc_pdu.createPDPContextResponse.cause.causevalue == '80'O) {
setverdict(pass);
} else {
setverdict(fail);
}
}
}
deactivate(d);
}
testcase TC_activate_pdp4() runs on GT_CT {
f_init();
var hexstring imsi := '262420123456789'H;
var octetstring msisdn := '1234'O;
f_pdp_ctx_act(imsi, '0010'B, valueof(t_EuaIPv4Dyn), valueof(t_ApnInternet), msisdn);
}
testcase TC_activate_pdp6() runs on GT_CT {
f_init();
var hexstring imsi := '262420123456789'H;
var octetstring msisdn := '1234'O;
f_pdp_ctx_act(imsi, '0010'B, valueof(t_EuaIPv6Dyn), valueof(t_ApnInternet), msisdn);
}
control {
execute(TC_activate_pdp4());
execute(TC_activate_pdp6());
}
}
|
