LCLS, TS 48.008: add GCR IE encoding/decoding
* add functions to encode Global Call. Ref. from TS 29.205 as 3GPP TS
48.008 ยง3.2.2.115 information element
* add corresponding tests
Change-Id: I82ce0207dc8de50689a8806c6471ad7fbae6219d
diff --git a/tests/gsm0808/gsm0808_test.c b/tests/gsm0808/gsm0808_test.c
index 63b8720..f0f3165 100644
--- a/tests/gsm0808/gsm0808_test.c
+++ b/tests/gsm0808/gsm0808_test.c
@@ -22,6 +22,8 @@
#include <osmocom/gsm/gsm0808_utils.h>
#include <osmocom/gsm/protocol/gsm_08_08.h>
#include <osmocom/gsm/protocol/gsm_08_58.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/application.h>
#include <stdio.h>
#include <stdlib.h>
@@ -597,6 +599,75 @@
msgb_free(in_msg);
}
+static void test_enc_dec_gcr()
+{
+ static const uint8_t res[] = {
+ GSM0808_IE_GLOBAL_CALL_REF,
+ 0x0d, /* GCR length */
+ 0x03, /* .net_len */
+ 0xf1, 0xf2, 0xf3, /* .net */
+ 0x02, /* .node length */
+ 0xde, 0xad, /* .node */
+ 0x05, /* length of Call. Ref. */
+ 0x41, 0x42, 0x43, 0x44, 0x45 /* .cr - Call. Ref. */
+ };
+ uint8_t len;
+ struct msgb *msg;
+ struct osmo_gcr_parsed p = { 0 }, g = {
+ .net_len = 3,
+ .net = { 0xf1, 0xf2, 0xf3 },
+ .node = 0xDEAD,
+ .cr = { 0x41, 0x42, 0x43, 0x44, 0x45 },
+ };
+ int rc;
+ struct tlv_parsed tp;
+ msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "global call reference");
+ if (!msg)
+ return;
+
+ len = gsm0808_enc_gcr(msg, &g);
+ printf("Testing Global Call Reference IE encoder...\n\t%d bytes added: %s\n",
+ len, len == ARRAY_SIZE(res) ? "OK" : "FAIL");
+
+ if (!msgb_eq_data_print(msg, res, ARRAY_SIZE(res)))
+ abort();
+
+ rc = osmo_bssap_tlv_parse(&tp, msgb_data(msg), msgb_length(msg));
+ if (rc < 0) {
+ printf("parsing failed: %s [%s]\n", strerror(-rc), msgb_hexdump(msg));
+ abort();
+ }
+
+ rc = gsm0808_dec_gcr(&p, &tp);
+ if (rc < 0) {
+ printf("decoding failed: %s [%s]\n", strerror(-rc), msgb_hexdump(msg));
+ abort();
+ }
+
+ if (p.net_len != g.net_len) {
+ printf("Network ID length parsed wrong: %u != %u\n", p.net_len, g.net_len);
+ abort();
+ }
+
+ if (p.node != g.node) {
+ printf("Node ID parsed wrong: 0x%X != 0x%X\n", p.node, g.node);
+ abort();
+ }
+
+ if (memcmp(p.net, g.net, g.net_len) != 0) {
+ printf("Network ID parsed wrong: %s\n", osmo_hexdump(p.net, p.net_len));
+ abort();
+ }
+
+ if (memcmp(p.cr, g.cr, 5) != 0) {
+ printf("Call ref. ID parsed wrong: %s\n", osmo_hexdump(p.cr, 5));
+ abort();
+ }
+
+ printf("\tdecoded %d bytes: %s\n", rc, rc == len ? "OK" : "FAIL");
+ msgb_free(msg);
+}
+
static void test_enc_dec_aoip_trasp_addr_v4()
{
struct sockaddr_storage enc_addr;
@@ -1790,6 +1861,10 @@
int main(int argc, char **argv)
{
+ void *ctx = talloc_named_const(NULL, 0, "gsm0808 test");
+ msgb_talloc_ctx_init(ctx, 0);
+ osmo_init_logging2(ctx, NULL);
+
printf("Testing generation of GSM0808 messages\n");
test_gsm0808_enc_cause();
test_create_layer3();
@@ -1813,6 +1888,9 @@
test_create_paging();
test_create_dtap();
test_prepend_dtap();
+
+ test_enc_dec_gcr();
+
test_enc_dec_aoip_trasp_addr_v4();
test_enc_dec_aoip_trasp_addr_v6();
test_gsm0808_enc_dec_speech_codec();