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/* (C) 2018 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
module SCCP_Templates {
import from General_Types all;
import from SCCP_Types all;
import from SCCPasp_Types all;
import from SCCP_Emulation all;
/* construct a SCCP_PAR_Address with just PC + SSN and no GT */
template (value) SCCP_PAR_Address ts_SccpAddr_PC_SSN(integer pc, integer ssn, octetstring sio,
charstring sccp_srv_type) := {
addressIndicator := {
pointCodeIndic := '1'B,
ssnIndicator := '1'B,
globalTitleIndic := '0000'B,
routingIndicator := '1'B
},
signPointCode := SCCP_SPC_int2bit(pc, sccp_srv_type, sio),
subsystemNumber := ssn,
globalTitle := omit
}
/* construct a SCCP_PAR_Address with only GT */
template (value) SCCP_PAR_Address ts_SccpAddr_GT(hexstring global_address) := {
addressIndicator := {
pointCodeIndic := '0'B,
ssnIndicator := '0'B,
globalTitleIndic := '0001'B, // NAI only
routingIndicator := cg_route_on_GT // route on GT
},
signPointCode := omit,
subsystemNumber := omit,
globalTitle := {
gti0001 := {
natureOfAddress := '0000011'B,
oddeven := '0'B,
globalTitleAddress := global_address
}
}
}
/* construct a SCCP_PAR_Address with PC + SSN and GT */
template (value) SCCP_PAR_Address ts_SccpAddr_PC_GT(integer pc, octetstring sio,
charstring sccp_srv_type, hexstring gt_addr) := {
addressIndicator := {
pointCodeIndic := '1'B,
ssnIndicator := '0'B,
globalTitleIndic := '0001'B, // NAI only
routingIndicator := cg_route_on_GT // route on GT
},
signPointCode := SCCP_SPC_int2bit(pc, sccp_srv_type, sio),
subsystemNumber := omit,
globalTitle := {
gti0001 := {
natureOfAddress := '0000011'B,
oddeven := '0'B,
globalTitleAddress := gt_addr
}
}
}
/* 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 ts_SCCP_IT(template (present) OCT3 source_lref,
template (present) OCT3 dest_lref) := {
inacttest := {
messageType := it,
destLocRef := dest_lref,
sourceLocRef := source_lref,
protClass := c_class2,
/* rfc3868 3.3.11: sequencing and credit are ignored with class2 */
sequencingSegmenting := {
reserved := '0'B,
p_s := '0000000'B,
more := '0'B,
pr := '0000000'B
},
credit := '00'O
}
}
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
}
}
}
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