Session Week #33: (839cf052) · Commits · TTCN-3 Libraries / LibGtpv2C

LibGtpv2C_Configuration.ttcn

+95 −29

Original line number	Diff line number	Diff line
		@@ -16,7 +16,6 @@ module LibGtpv2C_Configuration {
		// LibGtpv2C
		import from LibGtpv2C_TypesAndValues all;
		import from LibGtpv2C_TestSystem all;
		import from LibGtpv2C_Templates all;
		import from LibGtpv2C_Pics all;

		group configurationFunctions {
		@@ -32,6 +31,10 @@ module LibGtpv2C_Configuration {
		* @reference ETSI TS 103 202-3 V0.0.2 (2015-06) Figure 1: Test configuration CF_MME
		*/
		function f_cf01_S11Up_MME() runs on Gtpv2CComponent {

		// Create component
		vc_sgw := Gtpv2CComponent.create;

		// Map ports
		map(vc_sgw:acPort, system:acPort);
		map(vc_sgw:s11Port, system:s11Port);
		@@ -42,10 +45,9 @@ module LibGtpv2C_Configuration {
		// Activate sync default for MTC
		activate(a_mtc_shutdown());

		vc_sgw := Gtpv2CComponent.create;

		vc_sequenceNumber := 0;
		vc_restartCounter := 0;
		vc_teidGreCounter := 0;
		} // End of function f_cf01_S11Up_MME

		/**
		@@ -60,6 +62,13 @@ module LibGtpv2C_Configuration {
		* @reference ETSI TS 103 202-3 V0.0.2 (2015-06) Figure 2: Test configuration CF_MME_ENB
		*/
		function f_cf02_S11Up_MME() runs on Gtpv2CComponent {

		// Create components
		vc_sgw := Gtpv2CComponent.create;
		if (PICS_SUPPORT_S1_MME_TRIGGERS) {
		vc_s1mme := Gtpv2CComponent.create;
		}

		// Map ports
		map(vc_sgw:acPort, system:acPort);
		map(vc_sgw:s11Port, system:s11Port);
		@@ -76,11 +85,9 @@ module LibGtpv2C_Configuration {
		activate(a_s1mme_default());
		}

		vc_sgw := Gtpv2CComponent.create;
		vc_s1mme := Gtpv2CComponent.create;

		vc_sequenceNumber := 0;
		vc_restartCounter := 0;
		vc_teidGreCounter := 0;
		} // End of function f_cf02_S11Up_MME

		/**
		@@ -97,9 +104,10 @@ module LibGtpv2C_Configuration {
		f_disconnect4SelfOrClientSync();

		// Unmap ports
		unmap(self:acPort, system:acPort);
		unmap(self:s11Port, system:s11Port);
		unmap(vc_sgw:acPort, system:acPort);
		unmap(vc_sgw:s11Port, system:s11Port);

		// Terminate component
		vc_sgw.done;

		} // End of function f_cf01_S11Down_MME
		@@ -124,8 +132,12 @@ module LibGtpv2C_Configuration {
		unmap(vc_s1mme:s1MmePort, system:s11Port);
		}

		// Terminate components
		vc_sgw.done;
		if (PICS_SUPPORT_S1_MME_TRIGGERS) {
		vc_s1mme.done;
		}


		} // End of function f_cf01_S11Down_MME

		@@ -140,6 +152,10 @@ module LibGtpv2C_Configuration {
		* @reference ETSI TS 103 202-3 V0.0.2 (2015-06) Figure 3: Test configuration CF_SGW
		*/
		function f_cf01_S11Up_SGW() runs on Gtpv2CComponent {

		// Create component
		vc_mme := Gtpv2CComponent.create;

		// Map ports
		map(vc_mme:acPort, system:acPort);
		map(vc_mme:s11Port, system:s11Port);
		@@ -150,10 +166,9 @@ module LibGtpv2C_Configuration {
		// Activate sync default for MTC
		activate(a_mtc_shutdown());

		vc_mme := Gtpv2CComponent.create;

		vc_sequenceNumber := 0;
		vc_restartCounter := 0;
		vc_teidGreCounter := 0;
		} // End of function f_cf01_S11Up_SGW

		/**
		@@ -168,6 +183,11 @@ module LibGtpv2C_Configuration {
		* @reference ETSI TS 103 202-3 V0.0.2 (2015-06) Figure 4: Test configuration CF_SGW_PGW
		*/
		function f_cf02_S11Up_SGW() runs on Gtpv2CComponent {

		// Create components
		vc_s5 := Gtpv2CComponent.create;
		vc_mme := Gtpv2CComponent.create;

		// Map ports
		map(vc_mme:acPort, system:acPort);
		map(vc_mme:s11Port, system:s11Port);
		@@ -180,11 +200,9 @@ module LibGtpv2C_Configuration {
		activate(a_mtc_shutdown());
		activate(a_s5_default());

		vc_s5 := Gtpv2CComponent.create;
		vc_mme := Gtpv2CComponent.create;

		vc_sequenceNumber := 0;
		vc_restartCounter := 0;
		vc_teidGreCounter := 0;
		} // End of function f_cf02_S11Up_SGW

		/**
		@@ -200,6 +218,12 @@ module LibGtpv2C_Configuration {
		* @reference ETSI TS 103 202-3 V0.0.2 (2015-06) Figure 5: Test configuration CF_SGW_PGW_SGSN
		*/
		function f_cf03_S11Up_SGW() runs on Gtpv2CComponent {

		// Create components
		vc_mme := Gtpv2CComponent.create;
		vc_s4 := Gtpv2CComponent.create;
		vc_s5 := Gtpv2CComponent.create;

		// Map ports
		map(vc_mme:acPort, system:acPort);
		map(vc_mme:s11Port, system:s11Port);
		@@ -214,12 +238,9 @@ module LibGtpv2C_Configuration {
		activate(a_s4_default());
		activate(a_s5_default());

		vc_s4 := Gtpv2CComponent.create;
		vc_s5 := Gtpv2CComponent.create;
		vc_mme := Gtpv2CComponent.create;

		vc_sequenceNumber := 0;
		vc_restartCounter := 0;
		vc_teidGreCounter := 0;
		} // End of function f_cf03_S11Up_SGW

		/**
		@@ -239,6 +260,7 @@ module LibGtpv2C_Configuration {
		unmap(vc_mme:acPort, system:acPort);
		unmap(vc_mme:s11Port, system:s11Port);

		// Terminate component
		vc_mme.done;

		} // End of function f_cf01_S11Down_SGW
		@@ -261,6 +283,7 @@ module LibGtpv2C_Configuration {
		unmap(vc_mme:s11Port, system:s11Port);
		unmap(vc_s5:s5Port, system:s5Port);

		// Terminate components
		vc_s5.done;
		vc_mme.done;

		@@ -285,9 +308,10 @@ module LibGtpv2C_Configuration {
		unmap(vc_s4:s4Port, system:s4Port);
		unmap(vc_s5:s5Port, system:s5Port);

		// Terminate components
		vc_mme.done;
		vc_s4.done;
		vc_s5.done;
		vc_mme.done;

		} // End of function f_cf03_S11Down_SGW

		@@ -354,20 +378,62 @@ module LibGtpv2C_Configuration {
		return vc_restartCounter;
		} // End of function f_getNextRestartCounter

		/**
		* @desc Increment and return the TEID/GRE counter
		* @return The new restart counter value
		* @verdict Unchanged
		*/
		function f_getNextTeidGre() runs on Gtpv2CComponent return UInt32 {
		vc_teidGreCounter := (vc_teidGreCounter + 1) mod c_uInt32Max;
		return vc_teidGreCounter;
		} // End of function f_getNextTeidGre

		group extractInformationElementFunctions {

		function f_extract_teid(in Gtpv2CPdu p_gtpv2Pdu) return Oct4 {
		// Sanity check
		if (not(ispresent(p_gtpv2Pdu.extHeader.teid))) {
		return '00000000'O;
		}
		group headers {

		function f_extract_teid(in Gtpv2CPdu p_gtpv2Pdu) return Oct4 {
		return p_gtpv2Pdu.extHeader.teid;
		}
		} // End of function f_extract_teid

		function f_extract_sequenceNumber(in Gtpv2CPdu p_gtpv2Pdu) return UInt24 {
		return p_gtpv2Pdu.extHeader.sequenceNumber;
		}
		} // End of function f_extract_sequenceNumber

		} // End of group headers

		group ieCreateSessionRequest {

		function f_extract_recovery(in Gtpv2CPdu p_gtpv2Pdu) return template (omit) Recovery {
		// Sanity check
		// if (not(ispresent(p_gtpv2Pdu.payload.ieCreateSessionRequest.recovery))) {
		// return omit;
		// }
		//
		return p_gtpv2Pdu.payload.ieCreateSessionRequest.recovery;
		} // End of function f_extract_recovery

		function f_extract_epsBearerId_from_createdBearerContext(in Gtpv2CPdu p_gtpv2Pdu) return template (omit) EpsBearerId {
		return p_gtpv2Pdu.payload.ieCreateSessionRequest.bearerContextsCreated.groupedIes.createdContextWithinCreateSessionRequest.linkedEpsBearerId;
		} // End of function f_extract_epsBearerId_from_createdBearerContext

		} // End of group ieCreateSessionRequest

		group ieCreateSessionResponse {

		function f_extract_chargingId_from_createdBearerContext(in Gtpv2CPdu p_gtpv2Pdu) return template (omit) ChargingId {
		return p_gtpv2Pdu.payload.ieCreateSessionResponse.bearerContextsCreated.groupedIes.createdContextWithinCreateSessionResponse.chargingId;
		} // End of function f_extract_chargingId_from_createdBearerContext

		function f_extract_s5_S8UPgw_from_createdBearerContext(in Gtpv2CPdu p_gtpv2Pdu) return template (omit) FullyQualifiedTeid {
		return p_gtpv2Pdu.payload.ieCreateSessionResponse.bearerContextsCreated.groupedIes.createdContextWithinCreateSessionResponse.s5_S8UPgw;
		} // End of function f_extract_chargingId_from_createdBearerContext

		} // End of group ieCreateSessionResponse

		function f_extract_digit(bitstring p_value, integer p_index) return Bit4 {
		return (p_value >> (p_index - 1) * 4) and4b '1111'B;
		} // End of function f_extract_digit

		} // End of group extractInformationElementFunctions

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