diff options
Diffstat (limited to 'tests/emu/test_replay_gprs_attach.cpp')
| -rw-r--r-- | tests/emu/test_replay_gprs_attach.cpp | 39 |
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 500b16e1..fb1e77f7 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); + } +} |