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gtphub: add restart counter test 

Sponsored-by: On-Waves ehi
This commit is contained in:
Neels Hofmeyr 2015-12-02 14:31:45 +01:00
parent 936b890f71
commit 237fee649e
2 changed files with 165 additions and 0 deletions
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155
openbsc/tests/gtphub/gtphub_test.c
View File

@ -1279,6 +1279,159 @@ static void test_reused_tei(void)
OSMO_ASSERT(clear_test_hub());
}
static void test_peer_restarted(void)
{
LOG("test_peer_restarted");
OSMO_ASSERT(setup_test_hub());
OSMO_ASSERT(create_pdp_ctx());
now += 10;
const char *gtp_req_from_sgsn =
MSG_PDP_CTX_REQ("0068",
"1234", /* brand new seq */
"61", /* DIFFERING restart counter */
"42000121436587f9",
"00000abc",
"00000cba",
"0009""08696e7465726e6574", /* "(8)internet" */
"0004""c0a82a17", /* same as default sgsn_sender */
"0004""c0a82a17"
);
const char *gtp_req_to_ggsn =
MSG_PDP_CTX_REQ("0068",
"6d32", /* mapped seq ("1234") */
"23",
"42000121436587f9",
"00000006", /* mapped TEI Data I ("123") */
"00000005", /* mapped TEI Control ("321") */
"0009""08696e7465726e6574",
"0004""7f000201", /* replaced with gtphub's ggsn ctrl */
"0004""7f000202" /* replaced with gtphub's ggsn user */
);
OSMO_ASSERT(msg_from_sgsn_c(&sgsn_sender,
&resolved_ggsn_addr,
gtp_req_from_sgsn,
gtp_req_to_ggsn));
OSMO_ASSERT(was_resolved_for("240010123456789", "internet"));
OSMO_ASSERT(tunnels_are(
"192.168.42.23 (TEI C cba=5 / U abc=6)"
" <-> 192.168.43.34 / (uninitialized) (TEI C 0=0 / U 0=0)"
" @21955\n"
"192.168.42.23 (TEI C 321=1 / U 123=2)"
" <-> 192.168.43.34 (TEI C 765=3 / U 567=4)"
" @21945\n"
));
const char *gtp_resp_from_ggsn =
MSG_PDP_CTX_RSP("004e",
"00000005", /* destination TEI (sent in req above) */
"6d32", /* mapped seq */
"01", /* restart */
"00000def", /* TEI U */
"00000fde", /* TEI C */
"0004""c0a82b22", /* GSN addresses */
"0004""c0a82b22" /* (== resolved_ggsn_addr) */
);
const char *gtp_resp_to_sgsn =
MSG_PDP_CTX_RSP("004e",
"00000cba", /* unmapped TEI ("005") */
"1234", /* unmapped seq ("6d32") */
"23",
"00000008", /* mapped TEI from GGSN ("567") */
"00000007", /* mapped TEI from GGSN ("765") */
"0004""7f000101", /* gtphub's address towards SGSNs (Ctrl) */
"0004""7f000102" /* gtphub's address towards SGSNs (User) */
);
/* The response should go back to whichever port the request came from
* (unmapped by sequence nr) */
OSMO_ASSERT(msg_from_ggsn_c(&resolved_ggsn_addr,
&sgsn_sender,
gtp_resp_from_ggsn,
gtp_resp_to_sgsn));
OSMO_ASSERT(clear_test_hub());
}
static void test_peer_restarted_reusing_tei(void)
{
LOG("test_peer_restarted_reusing_tei");
OSMO_ASSERT(setup_test_hub());
OSMO_ASSERT(create_pdp_ctx());
now += 10;
const char *gtp_req_from_sgsn =
MSG_PDP_CTX_REQ("0068",
"1234", /* brand new seq */
"61", /* DIFFERING restart counter */
"42000121436587f9",
"00000123", /* SAME TEI */
"00000321",
"0009""08696e7465726e6574", /* "(8)internet" */
"0004""c0a82a17", /* same as default sgsn_sender */
"0004""c0a82a17"
);
const char *gtp_req_to_ggsn =
MSG_PDP_CTX_REQ("0068",
"6d32", /* mapped seq ("1234") */
"23",
"42000121436587f9",
"00000006", /* mapped TEI Data I ("123") */
"00000005", /* mapped TEI Control ("321") */
"0009""08696e7465726e6574",
"0004""7f000201", /* replaced with gtphub's ggsn ctrl */
"0004""7f000202" /* replaced with gtphub's ggsn user */
);
OSMO_ASSERT(msg_from_sgsn_c(&sgsn_sender,
&resolved_ggsn_addr,
gtp_req_from_sgsn,
gtp_req_to_ggsn));
OSMO_ASSERT(was_resolved_for("240010123456789", "internet"));
OSMO_ASSERT(tunnels_are(
"192.168.42.23 (TEI C 321=5 / U 123=6)"
" <-> 192.168.43.34 / (uninitialized) (TEI C 0=0 / U 0=0)"
" @21955\n"
));
const char *gtp_resp_from_ggsn =
MSG_PDP_CTX_RSP("004e",
"00000005", /* destination TEI (sent in req above) */
"6d32", /* mapped seq */
"01", /* restart */
"00000def", /* TEI U */
"00000fde", /* TEI C */
"0004""c0a82b22", /* GSN addresses */
"0004""c0a82b22" /* (== resolved_ggsn_addr) */
);
const char *gtp_resp_to_sgsn =
MSG_PDP_CTX_RSP("004e",
"00000321", /* unmapped TEI ("005") */
"1234", /* unmapped seq ("6d32") */
"23",
"00000008", /* mapped TEI from GGSN ("567") */
"00000007", /* mapped TEI from GGSN ("765") */
"0004""7f000101", /* gtphub's address towards SGSNs (Ctrl) */
"0004""7f000102" /* gtphub's address towards SGSNs (User) */
);
/* The response should go back to whichever port the request came from
* (unmapped by sequence nr) */
OSMO_ASSERT(msg_from_ggsn_c(&resolved_ggsn_addr,
&sgsn_sender,
gtp_resp_from_ggsn,
gtp_resp_to_sgsn));
OSMO_ASSERT(clear_test_hub());
}
static struct log_info_cat gtphub_categories[] = {
[DGTPHUB] = {
@ -1307,6 +1460,8 @@ int main(int argc, char **argv)
test_one_pdp_ctx(GTPH_SIDE_GGSN);
test_user_data();
test_reused_tei();
test_peer_restarted();
test_peer_restarted_reusing_tei();
printf("Done\n");
talloc_report_full(osmo_gtphub_ctx, stderr);

10
openbsc/tests/gtphub/gtphub_test.ok
View File

@ -10,6 +10,16 @@ test_user_data
returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123
- user data starts
test_reused_tei
- __wrap_gtphub_resolve_ggsn_addr():
returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123
- __wrap_gtphub_resolve_ggsn_addr():
returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123
test_peer_restarted
- __wrap_gtphub_resolve_ggsn_addr():
returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123
- __wrap_gtphub_resolve_ggsn_addr():
returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123
test_peer_restarted_reusing_tei
- __wrap_gtphub_resolve_ggsn_addr():
returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123
- __wrap_gtphub_resolve_ggsn_addr():