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100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
8 years ago
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsUE library.
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*
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* srsUE 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
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsUE 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 Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <stdint.h>
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#include "srslte/srslte.h"
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#include "common/pcap.h"
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#include "common/mac_pcap.h"
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namespace srslte {
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void mac_pcap::enable(bool en)
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{
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enable_write = true;
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}
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void mac_pcap::open(const char* filename, uint32_t ue_id)
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{
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pcap_file = MAC_LTE_PCAP_Open(filename);
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ue_id = ue_id;
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enable_write = true;
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}
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void mac_pcap::close()
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{
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fprintf(stdout, "Saving PCAP file\n");
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MAC_LTE_PCAP_Close(pcap_file);
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}
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void mac_pcap::pack_and_write(uint8_t* pdu, uint32_t pdu_len_bytes, uint32_t reTX, bool crc_ok, uint32_t tti,
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uint16_t crnti, uint8_t direction, uint8_t rnti_type)
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{
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if (enable_write) {
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MAC_Context_Info_t context =
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{
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FDD_RADIO, direction, rnti_type,
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crnti, /* RNTI */
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ue_id, /* UEId */
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reTX, /* Retx */
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crc_ok, /* CRC Stsatus (i.e. OK) */
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tti/10, /* Sysframe number */
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tti%10 /* Subframe number */
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};
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if (pdu) {
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MAC_LTE_PCAP_WritePDU(pcap_file, &context, pdu, pdu_len_bytes);
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}
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}
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}
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void mac_pcap::write_dl_crnti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, bool crc_ok, uint32_t tti)
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{
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pack_and_write(pdu, pdu_len_bytes, 0, crc_ok, tti, rnti, DIRECTION_DOWNLINK, C_RNTI);
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}
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void mac_pcap::write_dl_ranti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, bool crc_ok, uint32_t tti)
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{
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pack_and_write(pdu, pdu_len_bytes, 0, crc_ok, tti, rnti, DIRECTION_DOWNLINK, RA_RNTI);
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}
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void mac_pcap::write_ul_crnti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint32_t reTX, uint32_t tti)
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{
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pack_and_write(pdu, pdu_len_bytes, reTX, true, tti, rnti, DIRECTION_UPLINK, C_RNTI);
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}
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void mac_pcap::write_dl_bch(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti)
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{
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pack_and_write(pdu, pdu_len_bytes, 0, crc_ok, tti, 0, DIRECTION_DOWNLINK, NO_RNTI);
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}
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void mac_pcap::write_dl_pch(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti)
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{
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pack_and_write(pdu, pdu_len_bytes, 0, crc_ok, tti, SRSLTE_PRNTI, DIRECTION_DOWNLINK, P_RNTI);
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}
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void mac_pcap::write_dl_sirnti(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti)
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{
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pack_and_write(pdu, pdu_len_bytes, 0, crc_ok, tti, SRSLTE_SIRNTI, DIRECTION_DOWNLINK, SI_RNTI);
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}
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}
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