257 lines
6.7 KiB
C
257 lines
6.7 KiB
C
/*
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* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "test-common.h"
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#include "s2b-build.h"
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#include "s2b-handler.h"
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ogs_socknode_t *test_epdg_server(uint16_t port)
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{
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int rv;
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ogs_sockaddr_t *addr = NULL;
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ogs_socknode_t *node = NULL;
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ogs_sock_t *sock = NULL;
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ogs_assert(port);
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#define TEST_EPDG_IPV4 "127.0.0.5"
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rv = ogs_getaddrinfo(&addr, AF_UNSPEC, TEST_EPDG_IPV4, port, 0);
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ogs_assert(rv == OGS_OK);
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node = ogs_socknode_new(addr);
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ogs_assert(node);
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sock = ogs_udp_server(node->addr, NULL);
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ogs_assert(sock);
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node->sock = sock;
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return node;
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}
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void test_epdg_close(ogs_socknode_t *node)
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{
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ogs_socknode_free(node);
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}
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ogs_pkbuf_t *test_epdg_read(ogs_socknode_t *node)
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{
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int rc = 0;
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ogs_sockaddr_t from;
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ogs_pkbuf_t *recvbuf = ogs_pkbuf_alloc(NULL, OGS_MAX_SDU_LEN);
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ogs_assert(recvbuf);
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ogs_pkbuf_put(recvbuf, OGS_MAX_SDU_LEN);
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ogs_assert(node);
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ogs_assert(node->sock);
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while (1) {
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rc = ogs_recvfrom(
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node->sock->fd, recvbuf->data, recvbuf->len, 0, &from);
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if (rc <= 0) {
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ogs_log_message(OGS_LOG_ERROR, ogs_socket_errno,
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"ogs_recvfrom() failed");
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}
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break;
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}
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recvbuf->len = rc;
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return recvbuf;
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}
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void test_s2b_recv(test_sess_t *sess, ogs_pkbuf_t *pkbuf)
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{
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int rv;
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ogs_gtp2_message_t gtp_message;
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ogs_gtp_xact_t *xact = NULL;
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ogs_assert(sess);
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ogs_assert(sess->gnode);
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ogs_assert(pkbuf);
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if (ogs_gtp2_parse_msg(>p_message, pkbuf) != OGS_OK) {
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ogs_error("ogs_gtp2_parse_msg() failed");
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ogs_pkbuf_free(pkbuf);
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return;
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}
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rv = ogs_gtp_xact_receive(sess->gnode, >p_message.h, &xact);
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if (rv != OGS_OK) {
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ogs_error("ogs_gtp_xact_receive() failed");
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ogs_pkbuf_free(pkbuf);
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return;
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}
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switch (gtp_message.h.type) {
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case OGS_GTP2_CREATE_SESSION_RESPONSE_TYPE:
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test_s2b_handle_create_session_response(
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xact, sess, >p_message.create_session_response);
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break;
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case OGS_GTP2_DELETE_SESSION_RESPONSE_TYPE:
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test_s2b_handle_delete_session_response(
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xact, sess, >p_message.delete_session_response);
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break;
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case OGS_GTP2_CREATE_BEARER_REQUEST_TYPE:
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test_s2b_handle_create_bearer_request(
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xact, sess, >p_message.create_bearer_request);
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break;
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case OGS_GTP2_DELETE_BEARER_REQUEST_TYPE:
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test_s2b_handle_delete_bearer_request(
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xact, sess, >p_message.delete_bearer_request);
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break;
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default:
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ogs_error("Not implemented(type:%d)", gtp_message.h.type);
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break;
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}
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ogs_pkbuf_free(pkbuf);
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}
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int test_s2b_send_create_session_request(test_sess_t *sess, bool handover_ind)
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{
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int rv;
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ogs_gtp2_header_t h;
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ogs_pkbuf_t *pkbuf = NULL;
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ogs_gtp_xact_t *xact = NULL;
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ogs_assert(sess);
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memset(&h, 0, sizeof(ogs_gtp2_header_t));
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h.type = OGS_GTP2_CREATE_SESSION_REQUEST_TYPE;
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h.teid = sess->smf_s2b_c_teid;
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pkbuf = test_s2b_build_create_session_request(h.type, sess, handover_ind);
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if (!pkbuf) {
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ogs_error("test_s2b_build_create_session_request() failed");
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return OGS_ERROR;
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}
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xact = ogs_gtp_xact_local_create(sess->gnode, &h, pkbuf, NULL, sess);
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if (!xact) {
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ogs_error("ogs_gtp_xact_local_create() failed");
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return OGS_ERROR;
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}
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rv = ogs_gtp_xact_commit(xact);
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ogs_expect(rv == OGS_OK);
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return rv;
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}
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int test_s2b_send_delete_session_request(test_sess_t *sess)
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{
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int rv;
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ogs_gtp2_header_t h;
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ogs_pkbuf_t *pkbuf = NULL;
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ogs_gtp_xact_t *xact = NULL;
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ogs_assert(sess);
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memset(&h, 0, sizeof(ogs_gtp2_header_t));
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h.type = OGS_GTP2_DELETE_SESSION_REQUEST_TYPE;
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h.teid = sess->smf_s2b_c_teid;
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pkbuf = test_s2b_build_delete_session_request(h.type, sess);
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if (!pkbuf) {
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ogs_error("test_s2b_build_delete_session_request() failed");
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return OGS_ERROR;
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}
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xact = ogs_gtp_xact_local_create(sess->gnode, &h, pkbuf, NULL, sess);
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if (!xact) {
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ogs_error("ogs_gtp_xact_local_create() failed");
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return OGS_ERROR;
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}
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rv = ogs_gtp_xact_commit(xact);
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ogs_expect(rv == OGS_OK);
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return rv;
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}
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int test_s2b_send_create_bearer_response(
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test_bearer_t *bearer, ogs_gtp_xact_t *xact)
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{
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int rv;
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ogs_gtp2_header_t h;
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ogs_pkbuf_t *pkbuf = NULL;
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test_sess_t *sess = NULL;
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ogs_assert(xact);
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ogs_assert(bearer);
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sess = bearer->sess;
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ogs_assert(sess);
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memset(&h, 0, sizeof(ogs_gtp2_header_t));
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h.type = OGS_GTP2_CREATE_BEARER_RESPONSE_TYPE;
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h.teid = sess->smf_s2b_c_teid;
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pkbuf = test_s2b_build_create_bearer_response(h.type, bearer);
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if (!pkbuf) {
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ogs_error("test_s2b_build_create_bearer_response() failed");
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return OGS_ERROR;
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}
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rv = ogs_gtp_xact_update_tx(xact, &h, pkbuf);
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if (rv != OGS_OK) {
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ogs_error("ogs_gtp_xact_update_tx() failed");
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return OGS_ERROR;
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}
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rv = ogs_gtp_xact_commit(xact);
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ogs_expect(rv == OGS_OK);
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return rv;
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}
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int test_s2b_send_delete_bearer_response(
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test_bearer_t *bearer, ogs_gtp_xact_t *xact)
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{
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int rv;
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ogs_gtp2_header_t h;
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ogs_pkbuf_t *pkbuf = NULL;
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test_sess_t *sess = NULL;
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ogs_assert(xact);
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ogs_assert(bearer);
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sess = bearer->sess;
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ogs_assert(sess);
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memset(&h, 0, sizeof(ogs_gtp2_header_t));
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h.type = OGS_GTP2_DELETE_BEARER_RESPONSE_TYPE;
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h.teid = sess->smf_s2b_c_teid;
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pkbuf = test_s2b_build_delete_bearer_response(h.type, bearer);
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if (!pkbuf) {
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ogs_error("test_s2b_build_delete_bearer_response() failed");
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return OGS_ERROR;
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}
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rv = ogs_gtp_xact_update_tx(xact, &h, pkbuf);
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if (rv != OGS_OK) {
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ogs_error("ogs_gtp_xact_update_tx() failed");
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return OGS_ERROR;
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}
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rv = ogs_gtp_xact_commit(xact);
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ogs_expect(rv == OGS_OK);
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return rv;
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}
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