initial commit of early experimentation/testing code for tcap and mapHEADmaster

2 files changed, 182 insertions, 0 deletions

diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 0000000..08f0aba
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,20 @@
+
+CFLAGS += -I/usr/local/include/
+CFLAGS += -I/usr/local/include/asn1c/
+CFLAGS += -I/usr/local/include/osmocom/map/
+CFLAGS += -I/usr/local/include/osmocom/tcap/
+CFLAGS += -DPDU=MyCustomType
+
+LDFLAGS += -lasn1c -losmo-asn1-map -losmo-asn1-tcap -lm
+
+all: gprs_update
+
+gprs_update: gprs_update.o
+	$(CC) $(LDFLAGS) -o $@ $^
+
+%.o: %.c
+	$(CC) $(CFLAGS) -o $@ -c $^
+
+clean:
+	rm *.o
+	rm gprs_update
diff --git a/test/gprs_update.c b/test/gprs_update.c
new file mode 100644
index 0000000..d9d7531
--- /dev/null
+++ b/test/gprs_update.c
@@ -0,0 +1,162 @@
+/* Early tests with libasn1c and libosmo-asn1-tcap + libosmo-asn1-map */
+
+/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <osmocore/utils.h>
+
+#include <asn_application.h>
+
+/* TCAP */
+#include <TCMessage.h>
+#include <DialoguePDU.h>
+#include <ExternalPDU.h>
+
+/* MAP */
+#include <Invoke.h>
+#include <InvokeIdType.h>
+#include <GSMMAPOperationLocalvalue.h>
+#include <UpdateGprsLocationArg.h>
+
+static const int map_app_ctx_oid[] = { 0, 4, 0, 0, 1, 0, 0, 0 };
+static const int gprsLocationUpdateContext_v3[] = { 0, 4, 0, 0, 1, 0, 32, 3 };
+
+static const int diag_ref_struct[] = { 0, 0, 17, 773, 1, 1, 1 };
+static const int diag_ref_unstruct[] = { 0, 0, 17, 773, 1, 2, 1 };
+
+/* construct MAP invoke (component) */
+static Component_t *create_map_invoke(uint32_t opcode, asn_TYPE_descriptor_t *td,
+				      void *sptr)
+{
+	Component_t *comp;
+	Invoke_t *inv;
+
+	comp = calloc(1, sizeof(*comp));
+	memset(comp, 0, sizeof(*comp));
+
+	comp->present = Component_PR_invoke;
+	inv = &comp->choice.invoke;
+
+	inv->invokeID = 1; /* FIXME: what is this? */
+	inv->opCode.present = OPERATION_PR_localValue;
+	asn_long2INTEGER(&inv->opCode.choice.localValue, opcode);
+
+	if (td && sptr)
+		inv->parameter = ANY_new_fromType(td, sptr);
+
+	return comp;
+}
+
+static Component_t *upd_gprs_loc_invoke(void)
+{
+	Component_t *comp;
+
+	UpdateGprsLocationArg_t ula;
+	memset(&ula, 0, sizeof(ula));
+	OCTET_STRING_fromString(&ula.imsi, "012345678912345");
+	OCTET_STRING_fromString(&ula.sgsn_Number, "1");
+	OCTET_STRING_fromString(&ula.sgsn_Address, "1.2.3.4");
+
+	xer_fprint(stdout, &asn_DEF_UpdateGprsLocationArg, &ula);
+
+	/* build MAP invoke component with UpdateGPRSLocArg */
+	comp = create_map_invoke(GSMMAPOperationLocalvalue_updateGprsLocation,
+			  	&asn_DEF_UpdateGprsLocationArg, &ula);
+
+	xer_fprint(stdout, &asn_DEF_Component, comp);
+
+	return comp;
+}
+
+static uint8_t _dial_version1 = 0x80;
+static BIT_STRING_t dial_version1 = {
+	.buf = &_dial_version1,
+	.size = 1,
+	.bits_unused = 7,
+};
+
+/* construct DialoguePDU wwith AARQ */
+static DialoguePDU_t *upd_gprs_loc_aarq()
+{
+	DialoguePDU_t *dial;
+	AARQ_apdu_t *aarq;
+
+	dial = calloc(1, sizeof(*dial));
+	memset(dial, 0, sizeof(*dial));
+	dial->present = DialoguePDU_PR_dialogueRequest;
+
+	aarq = &dial->choice.dialogueRequest;
+	aarq->protocol_version = &dial_version1;
+	OBJECT_IDENTIFIER_set_arcs(&aarq->application_context_name,
+				   &gprsLocationUpdateContext_v3,
+				   sizeof(gprsLocationUpdateContext_v3[0]),
+				   ARRAY_SIZE(gprsLocationUpdateContext_v3));
+
+	xer_fprint(stdout, &asn_DEF_DialoguePDU, dial);
+
+	return dial;
+}
+
+
+static int tcap_msg(void)
+{
+	uint32_t trans_id = 1;
+	struct ComponentPortion cp;
+	ExternalPDU_t ext;
+	Component_t *comp;
+	DialoguePDU_t *dial;
+	TCMessage_t *tcm;
+
+	memset(&ext, 0, sizeof(ext));
+
+	tcm = calloc(1, sizeof(*tcm));
+	memset(tcm, 0, sizeof(*tcm));
+
+	tcm->present = TCMessage_PR_begin;
+	OCTET_STRING_fromBuf(&tcm->choice.begin.otid,
+			     (const char *) &trans_id, sizeof(trans_id));
+
+	/* build dialogue sequence from OID and DialoguePDU */
+	dial = upd_gprs_loc_aarq();
+
+	OBJECT_IDENTIFIER_set_arcs(&ext.oid, &diag_ref_struct,
+				   sizeof(diag_ref_struct[0]),
+				   ARRAY_SIZE(diag_ref_struct));
+	ANY_fromType(&ext.dialog, &asn_DEF_DialoguePDU, dial);
+	tcm->choice.begin.dialoguePortion =
+				ANY_new_fromType(&asn_DEF_ExternalPDU, &ext);
+
+	/* add SEQUENCE_OF invoke component */
+	memset(&cp, 0, sizeof(cp));
+	tcm->choice.begin.components = &cp;
+	comp = upd_gprs_loc_invoke();
+	ASN_SEQUENCE_ADD(&cp.list, comp);
+
+	xer_fprint(stdout, &asn_DEF_TCMessage, tcm);
+}
+
+int main(int argc, char **argv)
+{
+	tcap_msg();
+}