From 969fb2ed841d34577d985af4baf67d20c6f35c8a Mon Sep 17 00:00:00 2001 From: Max Date: Mon, 10 Dec 2018 11:01:10 +0100 Subject: LCLS, TS 48.008: add GCR IE encoding/decoding MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * 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 --- tests/gsm0808/gsm0808_test.c | 78 +++++++++++++++++++++++++++++++++++++++++++ tests/gsm0808/gsm0808_test.ok | 3 ++ 2 files changed, 81 insertions(+) (limited to 'tests/gsm0808') diff --git a/tests/gsm0808/gsm0808_test.c b/tests/gsm0808/gsm0808_test.c index 63b87200..f0f31654 100644 --- a/tests/gsm0808/gsm0808_test.c +++ b/tests/gsm0808/gsm0808_test.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include #include #include @@ -597,6 +599,75 @@ static void test_prepend_dtap() 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 @@ void test_gsm48_mr_cfg_from_gsm0808_sc_cfg() 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 @@ int main(int argc, char **argv) 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(); diff --git a/tests/gsm0808/gsm0808_test.ok b/tests/gsm0808/gsm0808_test.ok index e5833d01..d5857e32 100644 --- a/tests/gsm0808/gsm0808_test.ok +++ b/tests/gsm0808/gsm0808_test.ok @@ -22,6 +22,9 @@ Testing creating Clear Request Testing creating Paging Request Testing creating DTAP Testing prepend DTAP +Testing Global Call Reference IE encoder... + 15 bytes added: OK + decoded 15 bytes: OK test_gsm0808_enc_dec_cell_id_list_lac: encoded: 1a 07 05 01 24 ab cd 56 78 (rc = 9) ------- test_cell_id_list_add cell_id_list == CGI[0]:{} -- cgit v1.2.3