diff options
Diffstat (limited to 'openbsc/tests/gtphub/gtphub_test.c')
| -rw-r--r-- | openbsc/tests/gtphub/gtphub_test.c | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/openbsc/tests/gtphub/gtphub_test.c b/openbsc/tests/gtphub/gtphub_test.c index b0ede11b9..fea55e03d 100644 --- a/openbsc/tests/gtphub/gtphub_test.c +++ b/openbsc/tests/gtphub/gtphub_test.c @@ -954,9 +954,75 @@ static int create_pdp_ctx() return 1; } -static void test_create_pdp_ctx(void) +#define MSG_DEL_PDP_CTX_REQ(tei, seq) \ + "32" /* 0b001'1 0010: version 1, protocol GTP, with seq nr. */ \ + "14" /* type 20: Delete PDP Context Request */ \ + "0008" /* msg length = 8 + len (2 octets) */ \ + tei /* TEI Ctrl */ \ + seq /* Sequence nr (2 octets) */ \ + "00" /* N-PDU 0 */ \ + "00" /* No extensions */ \ + /* IEs */ \ + "13fe" /* 19: Teardown ind = 0 */ \ + "1400" /* 20: NSAPI = 0*/ \ + +#define MSG_DEL_PDP_CTX_RSP(tei, seq) \ + "32" /* 0b001'1 0010: version 1, protocol GTP, with seq nr. */ \ + "15" /* type 21: Delete PDP Context Response */ \ + "0006" /* msg length = 8 + len (2 octets) */ \ + tei /* TEI Ctrl */ \ + seq /* Sequence nr (2 octets) */ \ + "00" /* N-PDU 0 */ \ + "00" /* No extensions */ \ + /* IEs */ \ + "01" /* 1: Cause */ \ + "80" /* value = 0b10000000 = response, no rejection. */ \ + +static int delete_pdp_ctx(void) +{ + now += GTPH_EXPIRE_QUICKLY_SECS + 1; + gtphub_gc(hub, now); + + LVL2_ASSERT(tunnels_are( + "192.168.42.23 (TEI C 321=1 / U 123=2)" + " <-> 192.168.43.34 (TEI C 765=3 / U 567=4)" + " @21945\n")); + + /* TEI Ctrl from above and next sequence after abcd. */ + const char *gtp_req_from_sgsn = MSG_DEL_PDP_CTX_REQ("00000003", "abce"); + const char *gtp_req_to_ggsn = MSG_DEL_PDP_CTX_REQ("00000765", "6d32"); + + LVL2_ASSERT(msg_from_sgsn_c(&sgsn_sender, + &resolved_ggsn_addr, + gtp_req_from_sgsn, + gtp_req_to_ggsn)); + + /* 21945 + 31 = 21976 */ + LVL2_ASSERT(tunnels_are( + "192.168.42.23 (TEI C 321=1 / U 123=2)" + " <-> 192.168.43.34 (TEI C 765=3 / U 567=4)" + " @21976\n")); + + const char *gtp_resp_from_ggsn = + MSG_DEL_PDP_CTX_RSP("00000001", "6d32"); + const char *gtp_resp_to_sgsn = + MSG_DEL_PDP_CTX_RSP("00000321", "abce"); + + /* The response should go back to whichever port the request came from + * (unmapped by sequence nr) */ + LVL2_ASSERT(msg_from_ggsn_c(&resolved_ggsn_addr, + &sgsn_sender, + gtp_resp_from_ggsn, + gtp_resp_to_sgsn)); + + LVL2_ASSERT(tunnels_are("")); + + return 1; +} + +static void test_one_pdp_ctx(void) { - LOG("test_create_pdp_ctx"); + LOG("test_one_pdp_ctx"); OSMO_ASSERT(setup_test_hub()); OSMO_ASSERT(create_pdp_ctx()); @@ -982,6 +1048,10 @@ static void test_create_pdp_ctx(void) "192.168.42.23 (TEI C 321=1 / U 123=2)" " <-> 192.168.43.34 (TEI C 765=3 / U 567=4)" " @21945\n")); + + OSMO_ASSERT(delete_pdp_ctx()); + OSMO_ASSERT(tunnels_are("")); + OSMO_ASSERT(clear_test_hub()); } @@ -1108,7 +1178,7 @@ int main(int argc, char **argv) test_nr_map_wrap(); test_expiry(); test_echo(); - test_create_pdp_ctx(); + test_one_pdp_ctx(); test_user_data(); printf("Done\n"); |