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[SGsAP] Add SGsAP-RESET-INDCIATON/ACK

This commit is contained in:
Sukchan Lee 2019-07-07 10:16:21 +09:00
parent bc9cf078a5
commit 9863635342
10 changed files with 267 additions and 1 deletions
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29
src/mme/sgsap-build.c
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@ -192,3 +192,32 @@ ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue)
return pkbuf;
}
ogs_pkbuf_t *sgsap_build_reset_ack(mme_vlr_t *vlr)
{
ogs_tlv_t *root = NULL;
ogs_pkbuf_t *pkbuf = NULL;
char mme_name[SGSAP_IE_MME_NAME_LEN+1];
int mme_name_len = 0;
served_gummei_t *served_gummei = &mme_self()->served_gummei[0];
ogs_assert(vlr);
mme_name_len = mme_name_build(mme_name,
served_gummei->mme_code[0],
served_gummei->mme_gid[0],
&served_gummei->plmn_id[0]);
root = ogs_tlv_add(NULL, SGSAP_IE_MME_NAME_TYPE, mme_name_len, 0, mme_name);
pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN);
ogs_pkbuf_put_u8(pkbuf, SGSAP_RESET_ACK);
ogs_pkbuf_put(pkbuf, MAX_SDU_LEN-1);
ogs_pkbuf_trim(pkbuf, 1+ogs_tlv_render(root,
pkbuf->data+1, MAX_SDU_LEN-1, OGS_TLV_MODE_T1_L1));
ogs_tlv_free_all(root);
return pkbuf;
}

1
src/mme/sgsap-build.h
View File

@ -31,6 +31,7 @@ ogs_pkbuf_t *sgsap_build_tmsi_reallocation_complete(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_detach_indication(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_service_request(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_mo_csfb_indication(mme_ue_t *mme_ue);
ogs_pkbuf_t *sgsap_build_reset_ack(mme_vlr_t *vlr);
#ifdef __cplusplus
}

11
src/mme/sgsap-handler.c
View File

@ -18,6 +18,7 @@
*/
#include "sgsap-types.h"
#include "sgsap-path.h"
#include "mme-context.h"
#include "mme-path.h"
@ -231,3 +232,13 @@ void sgsap_handle_detach_ack(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf)
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
mme_send_delete_session_or_detach(mme_ue);
}
void sgsap_handle_reset_indication(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf)
{
ogs_debug("[SGSAP] RESET-INDICATION");
ogs_assert(vlr);
ogs_assert(pkbuf);
sgsap_send_reset_ack(vlr);
}

1
src/mme/sgsap-handler.h
View File

@ -29,6 +29,7 @@ extern "C" {
void sgsap_handle_location_update_accept(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf);
void sgsap_handle_location_update_reject(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf);
void sgsap_handle_detach_ack(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf);
void sgsap_handle_reset_indication(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf);
#ifdef __cplusplus
}

15
src/mme/sgsap-path.c
View File

@ -177,3 +177,18 @@ int sgsap_send_mo_csfb_indication(mme_ue_t *mme_ue)
return OGS_OK;
}
int sgsap_send_reset_ack(mme_vlr_t *vlr)
{
int rv;
ogs_pkbuf_t *pkbuf = NULL;
ogs_assert(vlr);
ogs_debug("[SGSAP] RESET-ACK");
pkbuf = sgsap_build_reset_ack(vlr);
rv = sgsap_send_to_vlr_with_sid(vlr, pkbuf, 0);
ogs_assert(rv == OGS_OK);
return OGS_OK;
}

1
src/mme/sgsap-path.h
View File

@ -46,6 +46,7 @@ int sgsap_send_location_update_request(mme_ue_t *mme_ue);
int sgsap_send_tmsi_reallocation_complete(mme_ue_t *mme_ue);
int sgsap_send_detach_indication(mme_ue_t *mme_ue);
int sgsap_send_mo_csfb_indication(mme_ue_t *mme_ue);
int sgsap_send_reset_ack(mme_vlr_t *vlr);
#ifdef __cplusplus
}

8
src/mme/sgsap-sm.c
View File

@ -127,8 +127,14 @@ void sgsap_state_connected(ogs_fsm_t *s, mme_event_t *e)
case SGSAP_IMSI_DETACH_ACK:
sgsap_handle_detach_ack(vlr, pkbuf);
break;
case SGSAP_RESET_INDICATION:
sgsap_handle_reset_indication(vlr, pkbuf);
mme_vlr_free_node(vlr);
OGS_FSM_TRAN(s, sgsap_state_will_connect);
break;
default:
ogs_warn("Not implemented(type:%d)", type);
ogs_warn("Unknown Message Type: [%d]", type);
break;
}
break;

22
tests/common/test-packet.c
View File

@ -3160,3 +3160,25 @@ int testsgsap_imsi_detach_ack(ogs_pkbuf_t **pkbuf, int i)
return OGS_OK;
}
int testsgsap_reset_indication(ogs_pkbuf_t **pkbuf, int i)
{
char *payload[TESTS1AP_MAX_MESSAGE] = {
"15021003766c7207 6578616d706c6503 6e6574",
"",
"",
};
uint16_t len[TESTS1AP_MAX_MESSAGE] = {
19,
0,
0,
};
char hexbuf[MAX_SDU_LEN];
*pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN);
ogs_pkbuf_put_data(*pkbuf,
OGS_HEX(payload[i], strlen(payload[i]), hexbuf), len[i]);
return OGS_OK;
}

1
tests/common/test-packet.h
View File

@ -134,6 +134,7 @@ int testgtpu_build_slacc_rs(ogs_pkbuf_t **sendbuf, int i);
int testsgsap_location_update_accept(ogs_pkbuf_t **pkbuf, int i);
int testsgsap_location_update_reject(ogs_pkbuf_t **pkbuf, int i);
int testsgsap_imsi_detach_ack(ogs_pkbuf_t **pkbuf, int i);
int testsgsap_reset_indication(ogs_pkbuf_t **pkbuf, int i);
#ifdef __cplusplus
}

179
tests/csfb/csfb-test.c
View File

@ -797,6 +797,184 @@ static void test3_func(abts_case *tc, void *data)
testenb_s1ap_close(s1ap);
}
static void test4_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *s1ap;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
s1ap_message_t message;
int i;
int msgindex = 18;
enb_ue_t *enb_ue = NULL;
mme_ue_t *mme_ue = NULL;
uint32_t m_tmsi = 0;
mongoc_collection_t *collection = NULL;
bson_t *doc = NULL;
int64_t count = 0;
bson_error_t error;
const char *json =
"{"
"\"_id\" : { \"$oid\" : \"310014158b8861d7605378c6\" }, "
"\"imsi\" : \"262420000118139\", "
"\"pdn\" : ["
"{"
"\"apn\" : \"internet\", "
"\"_id\" : { \"$oid\" : \"310014158b8861d7605378c7\" }, "
"\"ambr\" : {"
"\"uplink\" : { \"$numberLong\" : \"1000000\" }, "
"\"downlink\" : { \"$numberLong\" : \"1000000\" } "
"},"
"\"qos\" : { "
"\"qci\" : 9, "
"\"arp\" : { "
"\"priority_level\" : 8,"
"\"pre_emption_vulnerability\" : 0, "
"\"pre_emption_capability\" : 0"
"} "
"}, "
"\"type\" : 2"
"}"
"],"
"\"ambr\" : { "
"\"uplink\" : { \"$numberLong\" : \"1000000\" }, "
"\"downlink\" : { \"$numberLong\" : \"1000000\" } "
"},"
"\"subscribed_rau_tau_timer\" : 12,"
"\"network_access_mode\" : 2, "
"\"subscriber_status\" : 0, "
"\"access_restriction_data\" : 32, "
"\"security\" : { "
"\"k\" : \"70D49A71DD1A2B806A25ABE0EF749F1E\", "
"\"opc\" : \"6F1BF53D624B3A43AF6592854E2444C7\", "
"\"amf\" : \"8000\", "
"\"sqn\" : { \"$numberLong\" : \"2374\" }, "
"\"rand\" : \"aa266700bc2887354e9f87368d5d0ae7\" "
"}, "
"\"__v\" : 0 "
"}";
/* eNB connects to MME */
s1ap = testenb_s1ap_client("127.0.0.1");
ABTS_PTR_NOTNULL(tc, s1ap);
/* Send S1-Setup Reqeust */
rv = tests1ap_build_setup_req(
&sendbuf, S1AP_ENB_ID_PR_macroENB_ID, 0x0019b0, 7, 901, 70, 2);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive S1-Setup Response */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
rv = s1ap_decode_pdu(&message, recvbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
s1ap_free_pdu(&message);
ogs_pkbuf_free(recvbuf);
collection = mongoc_client_get_collection(
context_self()->db.client,
context_self()->db.name, "subscribers");
ABTS_PTR_NOTNULL(tc, collection);
/********** Insert Subscriber in Database */
doc = bson_new_from_json((const uint8_t *)json, -1, &error);;
ABTS_PTR_NOTNULL(tc, doc);
ABTS_TRUE(tc, mongoc_collection_insert(collection,
MONGOC_INSERT_NONE, doc, NULL, &error));
bson_destroy(doc);
doc = BCON_NEW("imsi", BCON_UTF8("262420000118139"));
ABTS_PTR_NOTNULL(tc, doc);
do {
count = mongoc_collection_count (
collection, MONGOC_QUERY_NONE, doc, 0, 0, NULL, &error);
} while (count == 0);
bson_destroy(doc);
/* Send Attach Request */
mme_self()->mme_ue_s1ap_id = 0;
rv = tests1ap_build_initial_ue_msg(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Identity-Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Identity Response */
rv = tests1ap_build_identity_response(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Authentication Response */
rv = tests1ap_build_authentication_response(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Security mode Complete */
rv = tests1ap_build_security_mode_complete(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive ESM Information Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send ESM Information Response */
rv = tests1ap_build_esm_information_response(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Reset-Indication */
rv = testsgsap_reset_indication(&sendbuf, 0);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Reset-ACK */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/********** Remove Subscriber in Database */
doc = BCON_NEW("imsi", BCON_UTF8("262420000118139"));
ABTS_PTR_NOTNULL(tc, doc);
ABTS_TRUE(tc, mongoc_collection_remove(collection,
MONGOC_REMOVE_SINGLE_REMOVE, doc, NULL, &error))
bson_destroy(doc);
mongoc_collection_destroy(collection);
/* eNB disonncect from MME */
testenb_s1ap_close(s1ap);
}
abts_suite *test_csfb(abts_suite *suite)
{
suite = ADD_SUITE(suite)
@ -804,6 +982,7 @@ abts_suite *test_csfb(abts_suite *suite)
abts_run_test(suite, test1_func, NULL);
abts_run_test(suite, test2_func, NULL);
abts_run_test(suite, test3_func, NULL);
abts_run_test(suite, test4_func, NULL);
return suite;
}