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-rw-r--r--tests/emu/test_replay_gprs_attach.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/emu/test_replay_gprs_attach.cpp b/tests/emu/test_replay_gprs_attach.cpp
index 500b16e..fb1e77f 100644
--- a/tests/emu/test_replay_gprs_attach.cpp
+++ b/tests/emu/test_replay_gprs_attach.cpp
@@ -19,13 +19,18 @@
extern "C" {
#include <osmocom/core/msgb.h>
+#include <osmocom/core/backtrace.h>
+#include <osmocom/gsm/gsm_utils.h>
}
+#include "openbsc_clone.h"
+
#include <gprs_bssgp_pcu.h>
#include <stdint.h>
#include <string.h>
+/* GPRS attach with a foreign TLLI */
static const uint8_t gprs_attach_llc[] = {
/* LLC-PDU IE */
0x0e, 0x00, 0x2e,
@@ -38,6 +43,8 @@ static const uint8_t gprs_attach_llc[] = {
0x42, 0x00, 0x40, 0xaa, 0xf3, 0x18
};
+static int next_wanted_nu;
+
struct msgb *create_msg(const uint8_t *data, size_t len)
{
struct msgb *msg = msgb_alloc_headroom(4096, 128, "create msg");
@@ -51,6 +58,38 @@ void test_replay_gprs_attach(struct gprs_bssgp_pcu *pcu)
uint32_t tlli = 0xadf11820;
const uint8_t qos_profile[] = { 0x0, 0x0, 0x04 };
+ next_wanted_nu = 0;
struct msgb *msg = create_msg(gprs_attach_llc, ARRAY_SIZE(gprs_attach_llc));
bssgp_tx_ul_ud(pcu->bctx, tlli, qos_profile, msg);
}
+
+void test_replay_gprs_data(struct gprs_bssgp_pcu *pcu, struct msgb *msg, struct tlv_parsed *tp)
+{
+ struct bssgp_ud_hdr *budh;
+ struct gprs_llc_hdr_parsed ph;
+ uint32_t tlli;
+
+ if (!TLVP_PRESENT(tp, BSSGP_IE_LLC_PDU))
+ return;
+
+
+ gprs_llc_hdr_parse(&ph, TLVP_VAL(tp, BSSGP_IE_LLC_PDU),
+ TLVP_LEN(tp, BSSGP_IE_LLC_PDU));
+
+ budh = (struct bssgp_ud_hdr *)msgb_bssgph(msg);
+ tlli = ntohl(budh->tlli);
+
+ /* all messages we should get, should be for a foreign tlli */
+ OSMO_ASSERT(gprs_tlli_type(tlli) == TLLI_FOREIGN);
+ printf("TLLI(0x%08x) is foreign!\n", tlli);
+
+ OSMO_ASSERT(ph.cmd == GPRS_LLC_UI);
+ OSMO_ASSERT(ph.sapi == 1);
+ OSMO_ASSERT(ph.seq_tx == next_wanted_nu++);
+
+ /* this test just wants to see messages... no further data is sent */
+ if (next_wanted_nu == 4) {
+ printf("Test done.\n");
+ exit(EXIT_SUCCESS);
+ }
+}