/* Test the GTP hub */ /* (C) 2015 by sysmocom s.f.m.c. GmbH * All Rights Reserved * * Author: Neels Hofmeyr * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . * */ #include #include #include #include #include #include #include #include #include #include #include #define EXPIRE_ALL ((60 * GTPH_TEI_MAPPING_EXPIRY_MINUTES) + 1) void gtphub_init(struct gtphub *hub); void *osmo_gtphub_ctx; /* TODO copied from libosmo-abis/src/subchan_demux.c, remove dup */ static int llist_len(struct llist_head *head) { struct llist_head *entry; int i = 0; llist_for_each(entry, head) i++; return i; } static void nr_mapping_free(struct expiring_item *e) { struct nr_mapping *m = container_of(e, struct nr_mapping, expiry_entry); nr_mapping_del(m); talloc_free(m); } static struct nr_mapping *nr_mapping_alloc(void) { struct nr_mapping *m; m = talloc(osmo_gtphub_ctx, struct nr_mapping); nr_mapping_init(m); m->expiry_entry.del_cb = nr_mapping_free; return m; } static struct nr_mapping *nr_map_have(struct nr_map *map, void *origin, nr_t orig, time_t now) { struct nr_mapping *mapping; mapping = nr_map_get(map, origin, orig); if (!mapping) { mapping = nr_mapping_alloc(); mapping->origin = origin; mapping->orig = orig; nr_map_add(map, mapping, now); } return mapping; } static nr_t nr_map_verify(const struct nr_map *map, void *origin, nr_t orig, nr_t expect_repl) { struct nr_mapping *m; m = nr_map_get(map, origin, orig); if (!m) { printf("mapping not found for %p %d\n", origin, orig); return 0; } if (m->repl != expect_repl) { printf("mapping found, but nr mismatches: expect %d, got %d\n", (int)expect_repl, (int)m->repl); return 0; } return 1; } static int nr_map_verify_inv(const struct nr_map *map, nr_t repl, void *expect_origin, nr_t expect_orig) { struct nr_mapping *m; m = nr_map_get_inv(map, repl); if (!m) { printf("mapping not found for %d\n", (int)repl); return 0; } if (m->origin != expect_origin) { printf("mapping found, but origin mismatches: expect %p, got %p\n", expect_origin, m->origin); return 0; } if (m->orig != expect_orig) { printf("mapping found, but nr mismatches: expect %d, got %d\n", (int)expect_orig, (int)m->orig); return 0; } return 1; } static void test_nr_map_basic(void) { struct nr_pool _pool; struct nr_pool *pool = &_pool; struct nr_map _map; struct nr_map *map = &_map; nr_pool_init(pool); nr_map_init(map, pool, NULL); OSMO_ASSERT(llist_empty(&map->mappings)); #define TEST_N_HALF 100 #define TEST_N (2*TEST_N_HALF) #define TEST_I 123 uint32_t i, check_i; uint32_t m[TEST_N]; struct nr_mapping *mapping; /* create half of TEST_N mappings from one origin */ void *origin1 = (void*)0x1234; for (i = 0; i < TEST_N_HALF; i++) { nr_t orig = TEST_I + i; mapping = nr_map_have(map, origin1, orig, 0); m[i] = mapping->repl; OSMO_ASSERT(m[i] != 0); OSMO_ASSERT(llist_len(&map->mappings) == (i+1)); for (check_i = 0; check_i < i; check_i++) OSMO_ASSERT(m[check_i] != m[i]); } OSMO_ASSERT(llist_len(&map->mappings) == TEST_N_HALF); /* create another TEST_N mappings with the same original numbers, but * from a different origin */ void *origin2 = (void*)0x5678; for (i = 0; i < TEST_N_HALF; i++) { int i2 = TEST_N_HALF + i; nr_t orig = TEST_I + i; mapping = nr_map_have(map, origin2, orig, 0); m[i2] = mapping->repl; OSMO_ASSERT(m[i2] != 0); OSMO_ASSERT(llist_len(&map->mappings) == (i2+1)); for (check_i = 0; check_i < i2; check_i++) OSMO_ASSERT(m[check_i] != m[i2]); } OSMO_ASSERT(llist_len(&map->mappings) == TEST_N); /* verify mappings */ for (i = 0; i < TEST_N_HALF; i++) { nr_t orig = TEST_I + i; { OSMO_ASSERT(nr_map_verify(map, origin1, orig, m[i])); OSMO_ASSERT(nr_map_verify_inv(map, m[i], origin1, orig)); } { int i2 = TEST_N_HALF + i; OSMO_ASSERT(nr_map_verify(map, origin2, orig, m[i2])); OSMO_ASSERT(nr_map_verify_inv(map, m[i2], origin2, orig)); } } /* remove all mappings */ for (i = 0; i < TEST_N_HALF; i++) { OSMO_ASSERT(llist_len(&map->mappings) == (TEST_N - 2*i)); nr_t orig = TEST_I + i; nr_mapping_del(nr_map_get(map, origin1, orig)); nr_mapping_del(nr_map_get(map, origin2, orig)); } OSMO_ASSERT(llist_empty(&map->mappings)); #undef TEST_N #undef TEST_I } static int nr_map_is(struct nr_map *map, const char *str) { static char buf[4096]; char *pos = buf; size_t len = sizeof(buf); struct nr_mapping *m; llist_for_each_entry(m, &map->mappings, entry) { size_t wrote = snprintf(pos, len, "(%d->%d@%d), ", (int)m->orig, (int)m->repl, (int)m->expiry_entry.expiry); OSMO_ASSERT(wrote < len); pos += wrote; len -= wrote; } *pos = '\0'; if (strncmp(buf, str, sizeof(buf)) != 0) { printf("FAILURE: nr_map_is() mismatches expected value:\n" "expected: \"%s\"\n" "is: \"%s\"\n", str, buf); return 0; } return 1; } static void test_expiry(void) { struct expiry expiry; struct nr_pool pool; struct nr_map map; int i; expiry_init(&expiry, 30); nr_pool_init(&pool); nr_map_init(&map, &pool, &expiry); OSMO_ASSERT(nr_map_is(&map, "")); /* tick on empty map */ OSMO_ASSERT(expiry_tick(&expiry, 10000) == 0); OSMO_ASSERT(nr_map_is(&map, "")); #define MAP1 \ "(10->1@10040), " \ "" #define MAP2 \ "(20->2@10050), " \ "(21->3@10051), " \ "(22->4@10052), " \ "(23->5@10053), " \ "(24->6@10054), " \ "(25->7@10055), " \ "(26->8@10056), " \ "(27->9@10057), " \ "" #define MAP3 \ "(420->10@10072), " \ "(421->11@10072), " \ "(422->12@10072), " \ "(423->13@10072), " \ "(424->14@10072), " \ "(425->15@10072), " \ "(426->16@10072), " \ "(427->17@10072), " \ "" /* add mapping at time 10010. */ nr_map_have(&map, 0, 10, 10010); OSMO_ASSERT(nr_map_is(&map, MAP1)); /* tick on unexpired item. */ OSMO_ASSERT(expiry_tick(&expiry, 10010) == 0); OSMO_ASSERT(expiry_tick(&expiry, 10011) == 0); OSMO_ASSERT(nr_map_is(&map, MAP1)); /* Spread mappings at 10020, 10021, ... 10027. */ for (i = 0; i < 8; i++) nr_map_have(&map, 0, 20 + i, 10020 + i); OSMO_ASSERT(nr_map_is(&map, MAP1 MAP2)); /* tick on unexpired items. */ OSMO_ASSERT(expiry_tick(&expiry, 10030) == 0); OSMO_ASSERT(expiry_tick(&expiry, 10039) == 0); OSMO_ASSERT(nr_map_is(&map, MAP1 MAP2)); /* expire the first item (from 10010). */ OSMO_ASSERT(expiry_tick(&expiry, 10010 + 30) == 1); OSMO_ASSERT(nr_map_is(&map, MAP2)); /* again nothing to expire */ OSMO_ASSERT(expiry_tick(&expiry, 10041) == 0); OSMO_ASSERT(nr_map_is(&map, MAP2)); /* Mappings all at the same time. */ for (i = 0; i < 8; i++) nr_map_have(&map, 0, 420 + i, 10042); OSMO_ASSERT(nr_map_is(&map, MAP2 MAP3)); /* Eight to expire, were added further above to be chronologically * correct, at 10020..10027. */ OSMO_ASSERT(expiry_tick(&expiry, 10027 + 30) == 8); OSMO_ASSERT(nr_map_is(&map, MAP3)); /* again nothing to expire */ OSMO_ASSERT(expiry_tick(&expiry, 10027 + 30) == 0); OSMO_ASSERT(nr_map_is(&map, MAP3)); /* Eight to expire, from 10042. Now at 10042 + 30: */ OSMO_ASSERT(expiry_tick(&expiry, 10042 + 30) == 8); OSMO_ASSERT(nr_map_is(&map, "")); #undef MAP1 #undef MAP2 #undef MAP3 } /* override, requires '-Wl,--wrap=gtphub_resolve_ggsn_addr' */ struct gtphub_peer_port *__real_gtphub_resolve_ggsn_addr(struct gtphub *hub, const char *imsi_str, const char *apn_ni_str); struct gsn_addr resolved_ggsn_addr = { 0 }; uint16_t resolved_ggsn_port = 2123; char resolve_ggsn_got_imsi[256]; char resolve_ggsn_got_ni[256]; struct gtphub_peer_port *__wrap_gtphub_resolve_ggsn_addr(struct gtphub *hub, const char *imsi_str, const char *apn_ni_str) { struct gtphub_peer_port *pp; pp = gtphub_port_have(hub, &hub->to_ggsns[GTPH_PLANE_CTRL], &resolved_ggsn_addr, resolved_ggsn_port); printf("Wrap: returning GGSN addr from imsi %s ni %s: %s\n", imsi_str, apn_ni_str, gtphub_port_str(pp)); if (imsi_str) { strncpy(resolve_ggsn_got_imsi, imsi_str, sizeof(resolve_ggsn_got_imsi)); resolve_ggsn_got_imsi[sizeof(resolve_ggsn_got_imsi) - 1] = '\0'; } else strcpy(resolve_ggsn_got_imsi, "(null)"); if (apn_ni_str) { strncpy(resolve_ggsn_got_ni, apn_ni_str, sizeof(resolve_ggsn_got_ni)); resolve_ggsn_got_ni[sizeof(resolve_ggsn_got_ni) - 1] = '\0'; } else strcpy(resolve_ggsn_got_ni, "(null)"); return pp; } #define was_resolved_for(IMSI,NI) _was_resolved_for(IMSI, NI, __FILE__, __LINE__) static int _was_resolved_for(const char *imsi, const char *ni, const char *file, int line) { int cmp0 = strncmp(imsi, resolve_ggsn_got_imsi, sizeof(resolve_ggsn_got_imsi)); if (cmp0 != 0) { printf("\n%s:%d: was_resolved_for(): MISMATCH for IMSI\n" " expecting: '%s'\n" " got: '%s'\n\n", file, line, imsi, resolve_ggsn_got_imsi); } int cmp1 = strncmp(ni, resolve_ggsn_got_ni, sizeof(resolve_ggsn_got_ni)); if (cmp1 != 0) { printf("\n%s:%d: was_resolved_for(): MISMATCH for NI\n" " expecting: '%s'\n" " got: '%s'\n\n", file, line, ni, resolve_ggsn_got_ni); } return (cmp0 == 0) && (cmp1 == 0); } /* override, requires '-Wl,--wrap=gtphub_ares_init' */ int __real_gtphub_ares_init(struct gtphub *hub); int __wrap_gtphub_ares_init(struct gtphub *hub) { /* Do nothing. */ return 0; } #define buf_len 1024 static uint8_t buf[buf_len]; static uint8_t *reply_buf; static unsigned int msg(const char *hex) { unsigned int l = osmo_hexparse(hex, buf, buf_len); OSMO_ASSERT(l > 0); return l; } /* Compare static buf to given string constant. The amount of bytes is obtained * from parsing the GTP header in buf. hex must match an osmo_hexdump() of the * desired message. Return 1 if size and content match. */ #define reply_is(MSG) _reply_is(MSG, __FILE__, __LINE__) static int _reply_is(const char *hex, const char *file, int line) { struct gtp1_header_long *h = (void*)reply_buf; int len = ntoh16(h->length) + 8; const char *dump = osmo_hexdump_nospc(reply_buf, len); int cmp = strcmp(dump, hex); if (cmp != 0) { printf("\n%s:%d: reply_is(): MISMATCH\n" " expecting:\n'%s'\n" " got:\n'%s'\n\n", file, line, hex, dump); int i; int l = strlen(hex); int m = strlen(dump); if (m < l) l = m; for (i = 0; i < l; i++) { if (hex[i] != dump[i]) { printf("First mismatch at position %d:\n" " %s\n %s\n", i, hex + i, dump + i); break; } } } return cmp == 0; } #define same_addr(GOT, EXPECTED) _same_addr((GOT),(EXPECTED), __FILE__, __LINE__) static int _same_addr(const struct osmo_sockaddr *got, const struct osmo_sockaddr *expected, const char *file, int line) { int cmp = osmo_sockaddr_cmp(got, expected); if (!cmp) return 1; char buf[256]; printf("\n%s:%d: addr_is(): MISMATCH\n" " expecting: '%s'\n" " got: '%s'\n\n", file, line, osmo_sockaddr_to_str(expected), osmo_sockaddr_to_strb(got, buf, sizeof(buf))); return 0; } static void test_echo(void) { struct gtphub _hub; struct gtphub *hub = &_hub; time_t now = 123; gtphub_init(hub); hub->restart_counter = 0x23; const char *gtp_ping_from_sgsn = "32" /* 0b001'1 0010: version 1, protocol GTP, with seq nr. */ "01" /* type 01: Echo request */ "0004" /* length of 4 after header TEI */ "00000000" /* header TEI == 0 in Echo */ "abcd" /* some 2 octet sequence nr */ "0000" /* N-PDU 0, no extension header (why is this here?) */ ; const char *gtp_pong_to_sgsn = "32" "02" /* type 02: Echo response */ "0006" /* length of 6 after header TEI */ "00000000" /* header TEI == 0 in Echo */ "abcd" /* same sequence nr */ "0000" "0e23" /* Recovery with restart counter */ ; struct osmo_sockaddr orig_sgsn_addr; OSMO_ASSERT(osmo_sockaddr_init_udp(&orig_sgsn_addr, "192.168.42.23", 423) == 0); struct osmo_fd *ggsn_ofd = NULL; struct osmo_sockaddr to_addr; int send; send = gtphub_from_sgsns_handle_buf(hub, GTPH_PLANE_CTRL, &orig_sgsn_addr, buf, msg(gtp_ping_from_sgsn), now, &reply_buf, &ggsn_ofd, &to_addr); OSMO_ASSERT(send > 0); OSMO_ASSERT(to_addr.l); OSMO_ASSERT(same_addr(&to_addr, &orig_sgsn_addr)); OSMO_ASSERT(reply_is(gtp_pong_to_sgsn)); struct gtphub_peer_port *sgsn_port = gtphub_port_find_sa(&hub->to_sgsns[GTPH_PLANE_CTRL], &orig_sgsn_addr); /* We don't record Echo peers. */ OSMO_ASSERT(!sgsn_port); const char *gtp_ping_from_ggsn = "32" /* 0b001'1 0010: version 1, protocol GTP, with seq nr. */ "01" /* type 01: Echo request */ "0004" /* length of 4 after header TEI */ "00000000" /* header TEI == 0 in Echo */ "cdef" /* some 2 octet sequence nr */ "0000" /* N-PDU 0, no extension header (why is this here?) */ ; const char *gtp_pong_to_ggsn = "32" "02" /* type 02: Echo response */ "0006" /* length of 6 after header TEI */ "00000000" /* header TEI == 0 in Echo */ "cdef" /* same sequence nr */ "0000" "0e23" /* Recovery with restart counter */ ; struct osmo_sockaddr orig_ggsn_addr; OSMO_ASSERT(osmo_sockaddr_init_udp(&orig_ggsn_addr, "192.168.24.32", 321) == 0); struct osmo_fd *sgsn_ofd = NULL; send = gtphub_from_ggsns_handle_buf(hub, GTPH_PLANE_CTRL, &orig_ggsn_addr, buf, msg(gtp_ping_from_ggsn), now, &reply_buf, &sgsn_ofd, &to_addr); OSMO_ASSERT(send > 0); OSMO_ASSERT(same_addr(&to_addr, &orig_ggsn_addr)); OSMO_ASSERT(reply_is(gtp_pong_to_ggsn)); struct gtphub_peer_port *ggsn_port = gtphub_port_find_sa(&hub->to_ggsns[GTPH_PLANE_CTRL], &orig_sgsn_addr); /* We don't record Echo peers. */ OSMO_ASSERT(!ggsn_port); gtphub_gc(hub, now + EXPIRE_ALL); } static void test_create_pdp_ctx(void) { struct gtphub _hub; struct gtphub *hub = &_hub; time_t now = 345; gtphub_init(hub); /* Tell this mock gtphub its local address for this test. */ OSMO_ASSERT(gsn_addr_from_str(&hub->to_sgsns[GTPH_PLANE_CTRL].local_addr, "127.0.1.1") == 0); OSMO_ASSERT(gsn_addr_from_str(&hub->to_sgsns[GTPH_PLANE_USER].local_addr, "127.0.1.2") == 0); OSMO_ASSERT(gsn_addr_from_str(&hub->to_ggsns[GTPH_PLANE_CTRL].local_addr, "127.0.2.1") == 0); OSMO_ASSERT(gsn_addr_from_str(&hub->to_ggsns[GTPH_PLANE_USER].local_addr, "127.0.2.2") == 0); /* This is copied from a packet that sgsnemu sends. */ const char *gtp_req_from_sgsn = "32" /* 0b001'1 0010: version 1, protocol GTP, with seq nr. */ "10" /* type 16: Create PDP Context Request */ "0068" /* length = 8 + 104 */ "00000000" /* No TEI yet */ "abcd" /* Sequence nr */ "00" /* N-PDU 0 */ "00" /* No extensions */ /* IEs */ "02" /* 2 = IMSI */ "42000121436587f9" "0e" "60" /* 14: Recovery = 96 */ "0f01" /* 15: Selection mode = MS provided APN, subscription not verified*/ "10" /* 16: TEI Data I */ "00000123" "11" /* 17: TEI Control Plane */ "00000321" "1400" /* 20: NSAPI = 0*/ "1a" /* 26: Charging Characteristics */ "0800" "80" /* 128: End User Address */ "0002" /* length = 2: empty PDP Address */ "f121" /* spare 0xf0, PDP organization 1, PDP type number 0x21 = 33 */ "83" /* 131: Access Point Name */ "0009" /* length */ "08696e7465726e6574" /* "internet" */ "84" /* 132: Protocol Configuration Options */ "0015" /* length = 21 */ "80c0231101010011036d69670868656d6d656c6967" "85" /* 133: GSN Address */ "0004" /* length */ "abcdef00" "85" /* 133: GSN Address (second entry) */ "0004" /* length */ "fedcba00" "86" /* 134: MS International PSTN/ISDN Number (MSISDN) */ "0007" /* length */ "916407123254f6" /* 1946702123456(f) */ "87" /* 135: Quality of Service (QoS) Profile */ "0004" /* length */ "00" /* priority */ "0b921f" /* QoS profile data */ ; const char *gtp_req_to_ggsn = "32" "10" "0068" "00000000" "6d31" /* mapped seq ("abcd") */ "00" "00" "02" "42000121436587f9" "0e60" "0f01" "10" "00000001" /* mapped TEI Data I ("123") */ "11" "00000001" /* mapped TEI Control ("321") */ "1400" "1a" "0800" "80" "0002" "f121" "83" "0009" "08696e7465726e6574" "84" "0015" "80c0231101010011036d69670868656d6d656c6967" "85" "0004" "7f000201" /* replaced with gtphub's address ggsn ctrl */ "85" "0004" "7f000202" /* replaced with gtphub's address ggsn user */ "86" "0007" "916407123254f6" "87" "0004" "00" "0b921f" ; const char *gtp_resp_from_ggsn = "32" "11" /* Create PDP Context Response */ "004e" /* length = 78 + 8 */ "00000001" /* destination TEI (sent in req above) */ "6d31" /* mapped seq */ "00" "00" /* IEs */ "01" /* 1: Cause */ "80" /* value = 0b10000000 = response, no rejection. */ "08" /* 8: Reordering Required */ "00" /* not required. */ "0e" "01" /* 14: Recovery = 1 */ "10" /* 16: TEI Data I */ "00000567" "11" /* 17: TEI Control */ "00000765" "7f" /* 127: Charging ID */ "00000001" "80" /* 128: End User Address */ "0006" /* length = 6 */ "f121" /* spare 0xf0, PDP organization 1, PDP type number 0x21 = 33 */ "7f000002" "84" /* 132: Protocol Configuration Options */ "0014" /* len = 20 */ "8080211002000010810608080808830600000000" "85" /* 133: GSN Address (Ctrl) */ "0004" /* length */ "7f000002" "85" /* 133: GSN Address (User) */ "0004" /* length */ "7f000002" "87" /* 135: Quality of Service (QoS) Profile */ "0004" /* length */ "00" /* priority */ "0b921f" /* QoS profile data */ ; const char *gtp_resp_to_sgsn = "32" "11" "004e" "00000321" /* unmapped TEI ("001") */ "abcd" /* unmapped seq ("6d31") */ "00" "00" "01" "80" "08" "00" "0e" "01" "10" "00000002" /* mapped TEI from GGSN ("567") */ "11" "00000002" /* mapped TEI from GGSN ("765") */ "7f" "00000001" "80" "0006" "f121" "7f000002" "84" "0014" "8080211002000010810608080808830600000000" "85" "0004" "7f000101" /* gtphub's address towards SGSNs (Ctrl) */ "85" "0004" "7f000102" /* gtphub's address towards SGSNs (User) */ "87" "0004" "00" "0b921f" ; /* Set the GGSN address that gtphub is forced to resolve to. */ const char *resolved_ggsn_str = "192.168.43.34"; resolved_ggsn_port = 434; OSMO_ASSERT(gsn_addr_from_str(&resolved_ggsn_addr, resolved_ggsn_str) == 0); /* A sockaddr for comparing later */ struct osmo_sockaddr resolved_ggsn_sa; OSMO_ASSERT(osmo_sockaddr_init_udp(&resolved_ggsn_sa, resolved_ggsn_str, resolved_ggsn_port) == 0); struct osmo_sockaddr orig_sgsn_addr; OSMO_ASSERT(osmo_sockaddr_init(&orig_sgsn_addr, AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "192.168.42.23", 423) == 0); struct osmo_fd *ggsn_ofd = NULL; struct osmo_sockaddr ggsn_addr; int send; send = gtphub_from_sgsns_handle_buf(hub, GTPH_PLANE_CTRL, &orig_sgsn_addr, buf, msg(gtp_req_from_sgsn), now, &reply_buf, &ggsn_ofd, &ggsn_addr); OSMO_ASSERT(send > 0); OSMO_ASSERT(same_addr(&ggsn_addr, &resolved_ggsn_sa)); OSMO_ASSERT(reply_is(gtp_req_to_ggsn)); OSMO_ASSERT(was_resolved_for("240010123456789", "internet")); struct osmo_fd *sgsn_ofd; struct osmo_sockaddr sgsn_addr; send = gtphub_from_ggsns_handle_buf(hub, GTPH_PLANE_CTRL, &ggsn_addr, buf, msg(gtp_resp_from_ggsn), now, &reply_buf, &sgsn_ofd, &sgsn_addr); OSMO_ASSERT(send > 0); OSMO_ASSERT(same_addr(&sgsn_addr, &orig_sgsn_addr)); OSMO_ASSERT(reply_is(gtp_resp_to_sgsn)); struct gtphub_peer_port *ggsn_port = gtphub_port_find_sa(&hub->to_ggsns[GTPH_PLANE_CTRL], &resolved_ggsn_sa); OSMO_ASSERT(ggsn_port); struct gtphub_peer *ggsn = ggsn_port->peer_addr->peer; /* now == 345; now + 30 == 375. * seq mapping from above: * 0xabcd == 43981 (sent in the packet) * 0x6d31 == 27953 (harcoded seq mapping start val) */ OSMO_ASSERT(nr_map_is(&ggsn->seq_map, "(43981->27953@375), ")); /* now == 345; now + (6 * 60 * 60) == 21600 + 345 == 21945. * 0x00000321 == 801 (TEI from SGSN Ctrl) * 0x00000123 == 291 (TEI from SGSN User) * 0x00000765 == 1893 (TEI from GGSN Ctrl) * 0x00000567 == 1383 (TEI from GGSN User) * Mapped TEIs should be 1 and 2. */ OSMO_ASSERT(nr_map_is(&hub->tei_map[GTPH_PLANE_CTRL], "(801->1@21945), (1893->2@21945), ")); OSMO_ASSERT(nr_map_is(&hub->tei_map[GTPH_PLANE_USER], "(291->1@21945), (1383->2@21945), ")); gtphub_gc(hub, now + EXPIRE_ALL); } static struct log_info_cat gtphub_categories[] = { [DGTPHUB] = { .name = "DGTPHUB", .description = "GTP Hub", .color = "\033[1;33m", .enabled = 1, .loglevel = LOGL_NOTICE, }, }; static struct log_info info = { .cat = gtphub_categories, .num_cat = ARRAY_SIZE(gtphub_categories), }; int main(int argc, char **argv) { osmo_init_logging(&info); osmo_gtphub_ctx = talloc_named_const(NULL, 0, "osmo_gtphub"); test_nr_map_basic(); test_expiry(); test_echo(); test_create_pdp_ctx(); printf("Done\n"); talloc_report_full(osmo_gtphub_ctx, stderr); OSMO_ASSERT(talloc_total_blocks(osmo_gtphub_ctx) == 1); return 0; }