163 lines
4.3 KiB
C
163 lines
4.3 KiB
C
/* Early tests with libasn1c and libosmo-asn1-tcap + libosmo-asn1-map */
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/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <osmocore/utils.h>
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#include <asn_application.h>
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/* TCAP */
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#include <TCMessage.h>
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#include <DialoguePDU.h>
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#include <ExternalPDU.h>
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/* MAP */
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#include <Invoke.h>
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#include <InvokeIdType.h>
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#include <GSMMAPOperationLocalvalue.h>
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#include <UpdateGprsLocationArg.h>
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static const int map_app_ctx_oid[] = { 0, 4, 0, 0, 1, 0, 0, 0 };
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static const int gprsLocationUpdateContext_v3[] = { 0, 4, 0, 0, 1, 0, 32, 3 };
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static const int diag_ref_struct[] = { 0, 0, 17, 773, 1, 1, 1 };
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static const int diag_ref_unstruct[] = { 0, 0, 17, 773, 1, 2, 1 };
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/* construct MAP invoke (component) */
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static Component_t *create_map_invoke(uint32_t opcode, asn_TYPE_descriptor_t *td,
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void *sptr)
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{
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Component_t *comp;
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Invoke_t *inv;
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comp = calloc(1, sizeof(*comp));
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memset(comp, 0, sizeof(*comp));
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comp->present = Component_PR_invoke;
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inv = &comp->choice.invoke;
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inv->invokeID = 1; /* FIXME: what is this? */
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inv->opCode.present = OPERATION_PR_localValue;
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asn_long2INTEGER(&inv->opCode.choice.localValue, opcode);
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if (td && sptr)
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inv->parameter = ANY_new_fromType(td, sptr);
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return comp;
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}
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static Component_t *upd_gprs_loc_invoke(void)
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{
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Component_t *comp;
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UpdateGprsLocationArg_t ula;
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memset(&ula, 0, sizeof(ula));
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OCTET_STRING_fromString(&ula.imsi, "012345678912345");
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OCTET_STRING_fromString(&ula.sgsn_Number, "1");
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OCTET_STRING_fromString(&ula.sgsn_Address, "1.2.3.4");
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xer_fprint(stdout, &asn_DEF_UpdateGprsLocationArg, &ula);
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/* build MAP invoke component with UpdateGPRSLocArg */
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comp = create_map_invoke(GSMMAPOperationLocalvalue_updateGprsLocation,
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&asn_DEF_UpdateGprsLocationArg, &ula);
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xer_fprint(stdout, &asn_DEF_Component, comp);
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return comp;
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}
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static uint8_t _dial_version1 = 0x80;
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static BIT_STRING_t dial_version1 = {
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.buf = &_dial_version1,
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.size = 1,
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.bits_unused = 7,
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};
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/* construct DialoguePDU wwith AARQ */
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static DialoguePDU_t *upd_gprs_loc_aarq()
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{
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DialoguePDU_t *dial;
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AARQ_apdu_t *aarq;
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dial = calloc(1, sizeof(*dial));
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memset(dial, 0, sizeof(*dial));
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dial->present = DialoguePDU_PR_dialogueRequest;
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aarq = &dial->choice.dialogueRequest;
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aarq->protocol_version = &dial_version1;
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OBJECT_IDENTIFIER_set_arcs(&aarq->application_context_name,
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&gprsLocationUpdateContext_v3,
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sizeof(gprsLocationUpdateContext_v3[0]),
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ARRAY_SIZE(gprsLocationUpdateContext_v3));
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xer_fprint(stdout, &asn_DEF_DialoguePDU, dial);
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return dial;
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}
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static int tcap_msg(void)
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{
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uint32_t trans_id = 1;
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struct ComponentPortion cp;
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ExternalPDU_t ext;
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Component_t *comp;
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DialoguePDU_t *dial;
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TCMessage_t *tcm;
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memset(&ext, 0, sizeof(ext));
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tcm = calloc(1, sizeof(*tcm));
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memset(tcm, 0, sizeof(*tcm));
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tcm->present = TCMessage_PR_begin;
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OCTET_STRING_fromBuf(&tcm->choice.begin.otid,
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(const char *) &trans_id, sizeof(trans_id));
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/* build dialogue sequence from OID and DialoguePDU */
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dial = upd_gprs_loc_aarq();
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OBJECT_IDENTIFIER_set_arcs(&ext.oid, &diag_ref_struct,
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sizeof(diag_ref_struct[0]),
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ARRAY_SIZE(diag_ref_struct));
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ANY_fromType(&ext.dialog, &asn_DEF_DialoguePDU, dial);
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tcm->choice.begin.dialoguePortion =
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ANY_new_fromType(&asn_DEF_ExternalPDU, &ext);
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/* add SEQUENCE_OF invoke component */
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memset(&cp, 0, sizeof(cp));
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tcm->choice.begin.components = &cp;
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comp = upd_gprs_loc_invoke();
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ASN_SEQUENCE_ADD(&cp.list, comp);
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xer_fprint(stdout, &asn_DEF_TCMessage, tcm);
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}
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int main(int argc, char **argv)
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{
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tcap_msg();
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}
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