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@ -205,7 +205,7 @@ void test_gtpu_tunnel_manager()
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TESTASSERT(after_tun->state == gtpu_tunnel_manager::tunnel_state::pdcp_active);
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TESTASSERT(after_tun->state == gtpu_tunnel_manager::tunnel_state::pdcp_active);
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}
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}
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enum class tunnel_test_event { success, wait_end_marker_timeout };
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enum class tunnel_test_event { success, wait_end_marker_timeout, ue_removal_no_marker, reest_senb };
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int test_gtpu_direct_tunneling(tunnel_test_event event)
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int test_gtpu_direct_tunneling(tunnel_test_event event)
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{
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{
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@ -330,6 +330,25 @@ int test_gtpu_direct_tunneling(tunnel_test_event event)
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for (size_t i = 0; i < gtpu_args.indirect_tunnel_timeout_msec + 1; ++i) {
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for (size_t i = 0; i < gtpu_args.indirect_tunnel_timeout_msec + 1; ++i) {
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task_sched.tic();
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task_sched.tic();
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}
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}
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} else if (event == tunnel_test_event::ue_removal_no_marker) {
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// TEST: EndMarker may even reach SeNB, but the SeNB receives in tandem the UEContextReleaseCommand and closes
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// the user tunnels before the chance to send an EndMarker
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senb_gtpu.rem_user(0x46);
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tenb_gtpu.handle_gtpu_s1u_rx_packet(read_socket(tenb_rx_sockets.s1u_fd), senb_sockaddr);
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} else if (event == tunnel_test_event::reest_senb) {
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// TEST: UE may start a Reestablishment to the SeNB. In such case, the rnti will be updated, the forwarding tunnel
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// taken down, and the previous main tunnel reestablished
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senb_gtpu.mod_bearer_rnti(0x46, 0x47);
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std::iota(data_vec.begin(), data_vec.end(), 0);
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std::shuffle(data_vec.begin(), data_vec.end(), g);
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pdu = encode_gtpu_packet(data_vec, senb_teid_in, sgw_sockaddr, senb_sockaddr);
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encoded_data.assign(pdu->msg + 8u, pdu->msg + pdu->N_bytes);
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senb_pdcp.last_sdu = nullptr;
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senb_gtpu.handle_gtpu_s1u_rx_packet(std::move(pdu), sgw_sockaddr);
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TESTASSERT(senb_pdcp.last_sdu != nullptr);
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TESTASSERT(senb_pdcp.last_sdu->N_bytes == encoded_data.size() and
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memcmp(senb_pdcp.last_sdu->msg, encoded_data.data(), encoded_data.size()) == 0);
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return SRSRAN_SUCCESS;
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} else {
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} else {
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// TEST: EndMarker is forwarded via MME->SeNB->TeNB, and TeNB buffered PDUs are flushed
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// TEST: EndMarker is forwarded via MME->SeNB->TeNB, and TeNB buffered PDUs are flushed
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pdu = encode_end_marker(senb_teid_in);
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pdu = encode_end_marker(senb_teid_in);
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@ -357,6 +376,8 @@ int main(int argc, char** argv)
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srsenb::test_gtpu_tunnel_manager();
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srsenb::test_gtpu_tunnel_manager();
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TESTASSERT(srsenb::test_gtpu_direct_tunneling(srsenb::tunnel_test_event::success) == SRSRAN_SUCCESS);
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TESTASSERT(srsenb::test_gtpu_direct_tunneling(srsenb::tunnel_test_event::success) == SRSRAN_SUCCESS);
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TESTASSERT(srsenb::test_gtpu_direct_tunneling(srsenb::tunnel_test_event::wait_end_marker_timeout) == SRSRAN_SUCCESS);
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TESTASSERT(srsenb::test_gtpu_direct_tunneling(srsenb::tunnel_test_event::wait_end_marker_timeout) == SRSRAN_SUCCESS);
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TESTASSERT(srsenb::test_gtpu_direct_tunneling(srsenb::tunnel_test_event::ue_removal_no_marker) == SRSRAN_SUCCESS);
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TESTASSERT(srsenb::test_gtpu_direct_tunneling(srsenb::tunnel_test_event::reest_senb) == SRSRAN_SUCCESS);
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srslog::flush();
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srslog::flush();
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