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/* RLCMACTest.cpp
*
* Copyright (C) 2011 Ivan Klyuchnikov
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//#include <BitVector.h>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <assert.h>
#include "gsm_rlcmac.h"
#include "gprs_rlcmac.h"
#include "decoding.h"
extern "C" {
extern const struct log_info gprs_log_info;
#include "pcu_vty.h"
#include <osmocom/vty/telnet_interface.h>
#include <osmocom/vty/logging.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/application.h>
#include "csn1.h"
}
using namespace std;
void *tall_pcu_ctx;
void printSizeofRLCMAC()
{
printf("*** %s ***\n", __func__);
cout << "sizeof RlcMacUplink_t " << sizeof(RlcMacUplink_t) << endl;
cout << "sizeof Packet_Cell_Change_Failure_t " << sizeof(Packet_Cell_Change_Failure_t) << endl;
cout << "sizeof Packet_Control_Acknowledgement_t " << sizeof(Packet_Control_Acknowledgement_t) << endl;
cout << "sizeof Packet_Downlink_Ack_Nack_t " << sizeof(Packet_Downlink_Ack_Nack_t) << endl;
cout << "sizeof EGPRS_PD_AckNack_t " << sizeof(EGPRS_PD_AckNack_t) << endl;
cout << "sizeof Packet_Uplink_Dummy_Control_Block_t " << sizeof(Packet_Uplink_Dummy_Control_Block_t) << endl;
cout << "sizeof Packet_Measurement_Report_t " << sizeof(Packet_Measurement_Report_t) << endl;
cout << "sizeof Packet_Resource_Request_t " << sizeof(Packet_Resource_Request_t) << endl;
cout << "sizeof Packet_Mobile_TBF_Status_t " << sizeof(Packet_Mobile_TBF_Status_t) << endl;
cout << "sizeof Packet_PSI_Status_t " << sizeof(Packet_PSI_Status_t) << endl;
cout << "sizeof Packet_Enh_Measurement_Report_t " << sizeof(Packet_Enh_Measurement_Report_t) << endl;
cout << "sizeof Packet_Cell_Change_Notification_t " << sizeof(Packet_Cell_Change_Notification_t) << endl;
cout << "sizeof Packet_SI_Status_t " << sizeof(Packet_SI_Status_t) << endl;
cout << "sizeof Additional_MS_Rad_Access_Cap_t " << sizeof(Additional_MS_Rad_Access_Cap_t) << endl;
cout << "sizeof Packet_Pause_t " << sizeof(Packet_Pause_t) << endl;
cout << "sizeof RlcMacDownlink_t " << sizeof(RlcMacDownlink_t) << endl;
cout << "sizeof Packet_Access_Reject_t " << sizeof(Packet_Access_Reject_t) << endl;
cout << "sizeof Packet_Cell_Change_Order_t " << sizeof(Packet_Cell_Change_Order_t) << endl;
cout << "sizeof Packet_Downlink_Assignment_t " << sizeof(Packet_Downlink_Assignment_t) << endl;
cout << "sizeof Packet_Neighbour_Cell_Data_t " << sizeof(Packet_Neighbour_Cell_Data_t) << endl;
cout << "sizeof Packet_Serving_Cell_Data_t " << sizeof(Packet_Serving_Cell_Data_t) << endl;
cout << "sizeof Packet_Paging_Request_t " << sizeof(Packet_Paging_Request_t) << endl;
cout << "sizeof Packet_PDCH_Release_t " << sizeof(Packet_PDCH_Release_t) << endl;
cout << "sizeof Packet_Polling_Request_t " << sizeof(Packet_Polling_Request_t) << endl;
cout << "sizeof Packet_Power_Control_Timing_Advance_t " << sizeof(Packet_Power_Control_Timing_Advance_t) << endl;
cout << "sizeof Packet_PRACH_Parameters_t " << sizeof(Packet_PRACH_Parameters_t) << endl;
cout << "sizeof Packet_Queueing_Notification_t " << sizeof(Packet_Queueing_Notification_t) << endl;
cout << "sizeof Packet_Timeslot_Reconfigure_t " << sizeof(Packet_Timeslot_Reconfigure_t) << endl;
cout << "sizeof Packet_TBF_Release_t " << sizeof(Packet_TBF_Release_t) << endl;
cout << "sizeof Packet_Uplink_Ack_Nack_t " << sizeof(Packet_Uplink_Ack_Nack_t) << endl;
cout << "sizeof Packet_Uplink_Assignment_t " << sizeof(Packet_Uplink_Assignment_t) << endl;
cout << "sizeof Packet_Cell_Change_Continue_t " << sizeof(Packet_Cell_Change_Continue_t) << endl;
cout << "sizeof Packet_Handover_Command_t " << sizeof(Packet_Handover_Command_t) << endl;
cout << "sizeof Packet_PhysicalInformation_t " << sizeof(Packet_PhysicalInformation_t) << endl;
cout << "sizeof Packet_Downlink_Dummy_Control_Block_t " << sizeof(Packet_Downlink_Dummy_Control_Block_t) << endl;
cout << "sizeof PSI1_t " << sizeof(PSI1_t) << endl;
cout << "sizeof PSI2_t " << sizeof(PSI2_t) << endl;
cout << "sizeof PSI3_t " << sizeof(PSI3_t) << endl;
cout << "sizeof PSI3_BIS_t " << sizeof(PSI3_BIS_t) << endl;
cout << "sizeof PSI4_t " << sizeof(PSI4_t) << endl;
cout << "sizeof PSI13_t " << sizeof(PSI13_t) << endl;
cout << "sizeof PSI5_t " << sizeof(PSI5_t) << endl;
}
void testRlcMacDownlink(void *test_ctx)
{
printf("*** %s ***\n", __func__);
int rc;
struct bitvec *resultVector = bitvec_alloc(23, test_ctx);
bitvec_unhex(resultVector, DUMMY_VEC);
std::string testData[] = {
"4e082500e3f1a81d080820800b2b2b2b2b2b2b2b2b2b2b", // Packet Downlink Assignment
"48282407a6a07422720100032b2b2b2b2b2b2b2b2b2b2b", // Packet Uplink Assignment
"47240c00400000000000000079eb2ac9402b2b2b2b2b2b", // Packet Uplink Ack Nack
"47283c367513ba333004242b2b2b2b2b2b2b2b2b2b2b2b", // Packet Uplink Assignment
"400820001a3904df0680efb3300b2b2b2b2b2b2b2b2b2b", // Packet Downlink Assignment (EGPRS)
"40284f0000001009810c826f4406809dcecb2b2b2b2b2b", // Packet Uplink Assignment (EGPRS)
"4024030f2f0000000087b0042b2b2b2b2b2b2b2b2b2b2b", // Packet Uplink Ack Nack (EGPRS)
"4913e00850884013a8048b2b2b2b2b2b2b2b2b2b2b2b2b", // Polling Request (malformed)
"412430007fffffffffffffffefd19c7ba12b2b2b2b2b2b", // Packet Uplink Ack Nack?
"41942b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b", // System Info 13?
};
int testDataSize = sizeof(testData)/sizeof(testData[0]);
cout << " DOWNLINK " << endl;
for (int i = 0; i < testDataSize; i++)
{
cout << "vector1 = " << testData[i] << endl;
bitvec *vector = bitvec_alloc(23, test_ctx);
bitvec_unhex(vector, testData[i].c_str());
RlcMacDownlink_t data;
memset(&data, 0, sizeof(data));
cout << "=========Start DECODE===========" << endl;
rc = decode_gsm_rlcmac_downlink(vector, &data);
cout << "+++++++++Finish DECODE ("<< rc <<")++++++++++" << endl;
cout << "=========Start ENCODE=============" << endl;
rc = encode_gsm_rlcmac_downlink(resultVector, &data);
cout << "+++++++++Finish ENCODE ("<< rc <<")+++++++++++" << endl;
cout << "vector1 = " << osmo_hexdump(vector->data, 23) << endl;
cout << "vector2 = " << osmo_hexdump(resultVector->data, 23) << endl;
if (memcmp(vector->data, resultVector->data, 23) == 0)
cout << "vector1 == vector2 : TRUE" << endl;
else
cout << "vector1 == vector2 : FALSE" << endl;
bitvec_unhex(resultVector, DUMMY_VEC);
bitvec_free(vector);
}
bitvec_free(resultVector);
}
void testRlcMacUplink(void *test_ctx)
{
printf("*** %s ***\n", __func__);
int rc;
struct bitvec *resultVector = bitvec_alloc(23, test_ctx);
bitvec_unhex(resultVector, DUMMY_VEC);
std::string testData[] = {
"400e1e61d11d2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b", // Packet Uplink Dummy Control Block
"400b8020000000000000002480e0032b2b2b2b2b2b2b2b", // Packet Downlink Ack/Nack
"4016713dc094270ca2ae57ef909006aa0fc0001f80222b", // Packet Resource Request
"401673c87f24af2632b25964200600000091000b780080", // Packet Resource Request (from keith)
"40200ffc0021ec010b2b2b2b2b2b2b2b2b2b2b2b2b2b2b", // EPDAN
"400a9020000000000000003010012a0800132b2b2b2b2b", // Packet Downlink Ack/Nack ?
};
int testDataSize = sizeof(testData)/sizeof(testData[0]);
cout << " UPLINK " << endl;
for (int i = 0; i < testDataSize; i++)
{
cout << "vector1 = " << testData[i] << endl;
bitvec *vector = bitvec_alloc(23, test_ctx);
bitvec_unhex(vector, testData[i].c_str());
RlcMacUplink_t data;
memset(&data, 0, sizeof(data));
cout << "=========Start DECODE===========" << endl;
rc = decode_gsm_rlcmac_uplink(vector, &data);
cout << "+++++++++Finish DECODE ("<< rc << ")++++++++++" << endl;
cout << "=========Start ENCODE=============" << endl;
rc = encode_gsm_rlcmac_uplink(resultVector, &data);
cout << "+++++++++Finish ENCODE ("<< rc <<")+++++++++++" << endl;
cout << "vector1 = " << osmo_hexdump(vector->data, 23) << endl;
cout << "vector2 = " << osmo_hexdump(resultVector->data, 23) << endl;
if (memcmp(vector->data, resultVector->data, 23) == 0)
cout << "vector1 == vector2 : TRUE" << endl;
else
cout << "vector1 == vector2 : FALSE" << endl;
bitvec_unhex(resultVector, DUMMY_VEC);
bitvec_free(vector);
}
bitvec_free(resultVector);
}
void testCsnLeftAlignedVarBmpBounds(void *test_ctx)
{
printf("*** %s ***\n", __func__);
struct msgb *m = msgb_alloc(80, "test");
static uint8_t exp[] = { 0x7f, 0xff, 0xff, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
bitvec *vector = bitvec_alloc(23, test_ctx);
int rc;
bitvec_unhex(vector, "40200bffd161003e0e519ffffffb800000000000000000");
RlcMacUplink_t data;
memset(&data, 0, sizeof(data));
EGPRS_AckNack_Desc_t *urbb =
&data.u.Egprs_Packet_Downlink_Ack_Nack.EGPRS_AckNack.Desc;
rc = decode_gsm_rlcmac_uplink(vector, &data);
OSMO_ASSERT(rc == 0);
memcpy(msgb_put(m, 13), urbb->URBB, 13);
if (!msgb_eq_data_print(m, exp, 13))
printf("%s failed!\n", __func__);
msgb_free(m);
}
int encode_gsm_ra_cap(bitvec * vector, MS_Radio_Access_capability_t * data);
void testRAcap(void *test_ctx)
{
printf("*** %s ***\n", __func__);
MS_Radio_Access_capability_t data;
memset(&data, 0, sizeof(data));
bitvec *bv_dec = bitvec_alloc(23, test_ctx);
bitvec *bv_enc = bitvec_alloc(23, test_ctx);
unsigned int len_dec, len_enc;
int rc;
/*
MS RA capability 1
0001 .... = Access Technology Type: GSM E --note that GSM E covers GSM P (1)
.... 0011 101. .... = Length in bits: 0x1d (29)
...0 01.. RF Power Capability, GMSK Power Class: Not specified (1)
A5 Bits: Same values apply for parameters as in the immediately preceding Access capabilities field within this IE (0)
.... ...1 = Controlled early Classmark Sending: Implemented
0... .... = Pseudo Synchronisation: Not Present
.0.. .... = Voice Group Call Service: no VGCS capability or no notifications wanted
..0. .... = Voice Broadcast Service: no VBS capability or no notifications wanted
...1 .... = Multislot capability struct: Present
.... ..00 011. .... = GPRS multislot class: Max Rx-Slot/TDMA:2 Max Tx-Slot/TDMA:2 Max-Sum-Slot/TDMA:3 Tta:3 Ttb:2 Tra:3 Trb:1 Type:1 (3)
...0 .... = GPRS Extended Dynamic Allocation Capability: Not Implemented
*/
bitvec_unhex(bv_dec, "13a5146200");
printf("=== Test decoding of MS RA Capability ===\n");
rc = decode_gsm_ra_cap(bv_dec, &data);
OSMO_ASSERT(rc == 0);
/* Make sure there's 1 value (currently fails due to failed decoding) */
OSMO_ASSERT(data.Count_MS_RA_capability_value == 1);
/* Make sure GPRS / EGPRS multislot class is parsed correctly */
printf("GPRS multislot class = %u\n", Decoding::get_ms_class_by_capability(&data));
printf("EGPRS multislot class = %u\n", Decoding::get_egprs_ms_class_by_capability(&data));
/* Test encoding of decoded MS RA Capability */
printf("=== Test encoding of MS RA Capability ===\n");
rc = encode_gsm_ra_cap(bv_enc, &data);
printf("encode_gsm_ra_cap() returns %d\n", rc);
bv_dec->cur_bit = 4;
len_dec = bitvec_get_uint(bv_dec, 7);
bv_enc->cur_bit = 4;
len_enc = bitvec_get_uint(bv_enc, 7);
/* NOTE: vector2 is expected to be different because there is actually no
* way to distinguish between NULL and 0 in MS_Radio_Access_capability_t.
* The difference is in length indicator: 29 bits vs 65 bits. */
printf("vector1 (len_ind=%u) = %s\n", len_dec, osmo_hexdump(bv_dec->data, bv_dec->data_len));
printf("vector2 (len_ind=%u) = %s\n", len_enc, osmo_hexdump(bv_enc->data, bv_enc->data_len));
/* Mangle the length indicator (set it to 21) */
unsigned int writeIndex = 4;
rc = bitvec_write_field(bv_dec, &writeIndex, 21, 7);
OSMO_ASSERT(rc == 0);
/* Make sure decoding attempt fails */
printf("=== Test decoding of a malformed vector (short length indicator) ===\n");
rc = decode_gsm_ra_cap(bv_dec, &data);
printf("decode_gsm_ra_cap() returns %d\n", rc);
}
int main(int argc, char *argv[])
{
void *ctx = talloc_named_const(NULL, 1, "RLCMACTest");
osmo_init_logging2(ctx, &gprs_log_info);
log_parse_category_mask(osmo_stderr_target, "DPCU,3:DLGLOBAL,1:DRLCMACDATA,2:DCSN1,1:");
log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE);
log_set_print_category_hex(osmo_stderr_target, 0);
log_set_print_category(osmo_stderr_target, 1);
log_set_print_level(osmo_stderr_target, 1);
log_set_use_color(osmo_stderr_target, 0);
//printSizeofRLCMAC();
testRlcMacDownlink(ctx);
testRlcMacUplink(ctx);
testCsnLeftAlignedVarBmpBounds(ctx);
testRAcap(ctx);
talloc_free(ctx);
}
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