--
-- 3GPP TS 29.171 v17.2.0 (2022-12-15)
-- 7.5.3	Elementary procedure definitions

-- **************************************************************
--
-- Elementary Procedure definitions
--
-- **************************************************************

LCS-AP-PDU-Descriptions {
itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)
eps-Access (21) modules (3) lcs-AP (4) version1 (1) lcs-AP-PDU-Descriptions (0)}


DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

-- **************************************************************
--
-- IE parameter types from other modules.
--
-- **************************************************************

IMPORTS
	Criticality,
	ProcedureCode
FROM LCS-AP-CommonDataTypes

	Location-Request,
	Location-Response,
	Location-Abort-Request,
	Connection-Oriented-Information,
	Connectionless-Information,
	Reset-Request,
	Reset-Acknowledge,
	Ciphering-Key-Data,
	Ciphering-Key-Data-Result
FROM LCS-AP-PDU-Contents

	id-Location-Service-Request,
	id-Connection-Oriented-Information-Transfer,
	id-Connectionless-Information-Transfer,
	id-Location-Abort,
	id-Reset,
	id-Ciphering-Key-Data-Delivery
FROM LCS-AP-Constants;

-- **************************************************************
--
-- Interface Elementary Procedure Class
--
-- **************************************************************

LCS-AP-ELEMENTARY-PROCEDURE ::= CLASS {
	&InitiatingMessage	,
	&SuccessfulOutcome		OPTIONAL,
	&UnsuccessfulOutcome		OPTIONAL,
	&procedureCode	ProcedureCode	UNIQUE,
	&criticality	Criticality	DEFAULT ignore
}
WITH SYNTAX {
	INITIATING MESSAGE	&InitiatingMessage
	[SUCCESSFUL OUTCOME	&SuccessfulOutcome]
	[UNSUCCESSFUL OUTCOME	&UnsuccessfulOutcome]
	PROCEDURE CODE	&procedureCode
	[CRITICALITY	&criticality]
}

-- **************************************************************
--
-- Interface PDU Definition
--
-- **************************************************************

LCS-AP-PDU ::= CHOICE {
	initiatingMessage	InitiatingMessage,
	successfulOutcome	SuccessfulOutcome,
	unsuccessfulOutcome	UnsuccessfulOutcome,
	...
}

InitiatingMessage ::= SEQUENCE {
	procedureCode	LCS-AP-ELEMENTARY-PROCEDURE.&procedureCode	({LCS-AP-ELEMENTARY-PROCEDURES}),
	criticality	LCS-AP-ELEMENTARY-PROCEDURE.&criticality	({LCS-AP-ELEMENTARY-PROCEDURES}{@procedureCode}),
	value	LCS-AP-ELEMENTARY-PROCEDURE.&InitiatingMessage	({LCS-AP-ELEMENTARY-PROCEDURES}{@procedureCode})
}

SuccessfulOutcome ::= SEQUENCE {
	procedureCode	LCS-AP-ELEMENTARY-PROCEDURE.&procedureCode	({LCS-AP-ELEMENTARY-PROCEDURES}),
	criticality	LCS-AP-ELEMENTARY-PROCEDURE.&criticality	({LCS-AP-ELEMENTARY-PROCEDURES}{@procedureCode}),
	value	LCS-AP-ELEMENTARY-PROCEDURE.&SuccessfulOutcome	({LCS-AP-ELEMENTARY-PROCEDURES}{@procedureCode})
}

UnsuccessfulOutcome ::= SEQUENCE {
	procedureCode	LCS-AP-ELEMENTARY-PROCEDURE.&procedureCode	({LCS-AP-ELEMENTARY-PROCEDURES}),
	criticality	LCS-AP-ELEMENTARY-PROCEDURE.&criticality	({LCS-AP-ELEMENTARY-PROCEDURES}{@procedureCode}),
	value	LCS-AP-ELEMENTARY-PROCEDURE.&UnsuccessfulOutcome	({LCS-AP-ELEMENTARY-PROCEDURES}{@procedureCode})
}

-- **************************************************************
--
-- Interface Elementary Procedure List
--
-- **************************************************************

LCS-AP-ELEMENTARY-PROCEDURES LCS-AP-ELEMENTARY-PROCEDURE ::= {
	LCS-AP-ELEMENTARY-PROCEDURES-CLASS-1	|
	LCS-AP-ELEMENTARY-PROCEDURES-CLASS-2	,
	...
}

LCS-AP-ELEMENTARY-PROCEDURES-CLASS-1 LCS-AP-ELEMENTARY-PROCEDURE ::= {
	location-Service-Request		|
	connectionless-Information-Transfer	|
	location-Abort		|
	reset			|
	ciphering-Key-Data-Delivery		,
	...
}



LCS-AP-ELEMENTARY-PROCEDURES-CLASS-2 LCS-AP-ELEMENTARY-PROCEDURE ::= {
	connection-Oriented-Information-Transfer	,
	...
}

-- **************************************************************
--
-- Interface Elementary Procedures
--
-- **************************************************************


location-Service-Request LCS-AP-ELEMENTARY-PROCEDURE ::= {
	INITIATING MESSAGE	Location-Request
	SUCCESSFUL OUTCOME	Location-Response
	UNSUCCESSFUL OUTCOME	Location-Response
	PROCEDURE CODE	id-Location-Service-Request
	CRITICALITY	reject
}

connection-Oriented-Information-Transfer LCS-AP-ELEMENTARY-PROCEDURE ::= {
	INITIATING MESSAGE	Connection-Oriented-Information
	PROCEDURE CODE	id-Connection-Oriented-Information-Transfer
	CRITICALITY	reject
}

connectionless-Information-Transfer LCS-AP-ELEMENTARY-PROCEDURE ::= {
	INITIATING MESSAGE	Connectionless-Information
	UNSUCCESSFUL OUTCOME	Connectionless-Information
	PROCEDURE CODE	id-Connectionless-Information-Transfer
	CRITICALITY	reject
}

location-Abort LCS-AP-ELEMENTARY-PROCEDURE ::= {
	INITIATING MESSAGE	Location-Abort-Request
	SUCCESSFUL OUTCOME	Location-Response
	PROCEDURE CODE	id-Location-Abort
	CRITICALITY	reject
}

reset LCS-AP-ELEMENTARY-PROCEDURE ::= {
	INITIATING MESSAGE	Reset-Request	
	SUCCESSFUL OUTCOME	Reset-Acknowledge
	PROCEDURE CODE	id-Reset
	CRITICALITY	reject
}

ciphering-Key-Data-Delivery LCS-AP-ELEMENTARY-PROCEDURE ::= {
	INITIATING MESSAGE	Ciphering-Key-Data
	SUCCESSFUL OUTCOME	Ciphering-Key-Data-Result
	UNSUCCESSFUL OUTCOME	Ciphering-Key-Data-Result
	PROCEDURE CODE	id-Ciphering-Key-Data-Delivery
	CRITICALITY	reject
}

END