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Adding test to unpacking of the packet filters.

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master
Pedro Alvarez 6 years ago committed by Andre Puschmann
parent a8eaf16881
commit 190a0ff37e
5 changed files with 103 additions and 14 deletions
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2
srsue/hdr/stack/upper/tft_packet_filter.h
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@ -73,7 +73,7 @@ struct tft_packet_filter_t {
uint32_t type_of_service;
uint32_t flow_label;
tft_packet_filter_t(const LIBLTE_MME_PACKET_FILTER_STRUCT* tft);
tft_packet_filter_t(const LIBLTE_MME_PACKET_FILTER_STRUCT& tft);
};

2
srsue/src/stack/upper/CMakeLists.txt
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@ -18,7 +18,7 @@
# and at http://www.gnu.org/licenses/.
#
set(SOURCES gw.cc nas.cc usim_base.cc usim.cc)
set(SOURCES gw.cc nas.cc usim_base.cc usim.cc tft_packet_filter.cc)
if(HAVE_PCSC)
list(APPEND SOURCES "pcsc_usim.cc")

20
srsue/src/stack/upper/tft_packet_filter.cc
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@ -23,27 +23,27 @@
namespace srsue {
tft_packet_filter_t::tft_packet_filter_t(const LIBLTE_MME_PACKET_FILTER_STRUCT* tft) :
id(tft->id),
eval_precedence(tft->eval_precedence),
tft_packet_filter_t::tft_packet_filter_t(const LIBLTE_MME_PACKET_FILTER_STRUCT& tft) :
id(tft.id),
eval_precedence(tft.eval_precedence),
active_filters(0)
{
int idx = 0;
while (idx < tft->filter_size) {
switch (tft->filter[idx] & 0x0F) {
while (idx < tft.filter_size) {
switch (tft.filter[idx] & 0x0F) {
case IPV4_REMOTE_ADDR_TYPE:
active_filters = IPV4_REMOTE_ADDR_FLAG;
memcpy(&ipv4_remote_addr, &tft->filter[idx], 4);
memcpy(&ipv4_remote_addr, &tft.filter[idx], 4);
idx += 4;
break;
case IPV4_LOCAL_ADDR_TYPE:
active_filters = IPV4_LOCAL_ADDR_FLAG;
memcpy(&ipv4_local_addr, &tft->filter[idx], 4);
memcpy(&ipv4_local_addr, &tft.filter[idx], 4);
idx += 4;
break;
case IPV6_REMOTE_ADDR_TYPE:
active_filters = IPV6_REMOTE_ADDR_FLAG;
memcpy(&ipv4_local_addr, &tft->filter[idx], 16);
memcpy(&ipv4_local_addr, &tft.filter[idx], 16);
idx += 16;
break;
case IPV6_REMOTE_ADDR_LENGTH_TYPE:
@ -54,7 +54,7 @@ tft_packet_filter_t::tft_packet_filter_t(const LIBLTE_MME_PACKET_FILTER_STRUCT*
break;
case SINGLE_LOCAL_PORT_TYPE:
active_filters = SINGLE_LOCAL_PORT_FLAG;
memcpy(&single_local_port, &tft->filter[idx], 2);
memcpy(&single_local_port, &tft.filter[idx], 2);
idx += 2;
break;
case LOCAL_PORT_RANGE_TYPE:
@ -75,6 +75,4 @@ tft_packet_filter_t::tft_packet_filter_t(const LIBLTE_MME_PACKET_FILTER_STRUCT*
}
}
tft_packet_filter_t::~tft_packet_filter_t() {}
} // namespace srsue

4
srsue/test/upper/CMakeLists.txt
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@ -35,6 +35,10 @@ add_executable(nas_test nas_test.cc)
target_link_libraries(nas_test srsue_upper srslte_upper srslte_phy rrc_asn1)
add_test(nas_test nas_test)
add_executable(tft_test tft_test.cc)
target_link_libraries(tft_test srsue_upper srslte_upper srslte_phy)
add_test(tft_test tft_test)
########################################################################
# Option to run command after build (useful for remote builds)
########################################################################

87
srsue/test/upper/tft_test.cc
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@ -0,0 +1,87 @@
/*
* Copyright 2013-2019 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE 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.
*
* srsLTE 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.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srslte/asn1/liblte_mme.h"
#include "srslte/common/log_filter.h"
#include "srsue/hdr/stack/upper/tft_packet_filter.h"
#include <iostream>
#include <memory>
#include <srslte/common/buffer_pool.h>
#include <srslte/common/int_helpers.h>
#include <srslte/srslte.h>
#define TESTASSERT(cond) \
{ \
if (!(cond)) { \
std::cout << "[" << __FUNCTION__ << "][Line " << __LINE__ << "]: FAIL at " << (#cond) << std::endl; \
return -1; \
} \
}
using namespace srsue;
using namespace srslte;
int tft_filter_test()
{
srslte::log_filter log1("NAS");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool *pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t tst_msg, out_msg;
tst_msg = allocate_unique_buffer(*pool);
out_msg = allocate_unique_buffer(*pool);
LIBLTE_MME_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT ded_bearer_req;
LIBLTE_ERROR_ENUM err;
uint8_t nas_message[] = {0x27, 0x35, 0x11, 0xfd, 0xf6, 0x07, 0x62, 0x00, 0xc5, 0x05, 0x01, 0x01, 0x07, 0x21,
0x31, 0x00, 0x03, 0x40, 0x08, 0xae, 0x5d, 0x02, 0x00, 0xc2, 0x81, 0x34, 0x01, 0x4d};
uint32_t nas_message_len = sizeof(nas_message);
// Unpack Activate Dedicated EPS bearer context setup request
tst_msg->N_bytes = nas_message_len;
memcpy(tst_msg->msg, nas_message, nas_message_len);
log1.info_hex(tst_msg->msg, tst_msg->N_bytes, "NAS Activate Dedicated EPS Bearer Context Request original message\n");
// Traffic flow template
TESTASSERT(ded_bearer_req.tft.tft_op_code == LIBLTE_MME_TFT_OPERATION_CODE_CREATE_NEW_TFT);
TESTASSERT(ded_bearer_req.tft.parameter_list_size == 0);
TESTASSERT(ded_bearer_req.tft.packet_filter_list_size == 1);
TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].dir == LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL);
TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].id == 1); // FIXME Should this be 2?
TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].eval_precedence == 0);
TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].filter_size == 3);
TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].filter[0] ==
LIBLTE_MME_TFT_PACKET_FILTER_COMPONENT_TYPE_ID_SINGLE_LOCAL_PORT_TYPE);
srsue::tft_packet_filter_t filter(ded_bearer_req.tft.packet_filter_list[0]);
printf("Test NAS Activate Dedicated EPS Bearer Context Request successfull\n");
return 0;
}
int main(int argc, char **argv)
{
if (tft_filter_test()) {
return -1;
}
srslte::byte_buffer_pool::cleanup();
}
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