mirror of https://github.com/PentHertz/srsLTE.git
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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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* srsRAN 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 "srsran/common/s1ap_pcap.h"
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#include "srsran/common/pcap.h"
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#include "srsran/srsran.h"
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#include "srsran/support/emergency_handlers.h"
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#include <stdint.h>
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namespace srsran {
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/// Try to flush the contents of the pcap class before the application is killed.
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static void emergency_cleanup_handler(void* data)
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{
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reinterpret_cast<s1ap_pcap*>(data)->close();
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}
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s1ap_pcap::s1ap_pcap()
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{
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emergency_handler_id = add_emergency_cleanup_handler(emergency_cleanup_handler, this);
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}
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s1ap_pcap::~s1ap_pcap()
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{
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if (emergency_handler_id > 0) {
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remove_emergency_cleanup_handler(emergency_handler_id);
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}
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}
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void s1ap_pcap::enable()
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{
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enable_write = true;
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}
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void s1ap_pcap::open(const char* filename_)
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{
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filename = filename_;
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pcap_file = DLT_PCAP_Open(S1AP_LTE_DLT, filename.c_str());
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enable_write = true;
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}
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void s1ap_pcap::close()
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{
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if (!enable_write) {
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return;
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}
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fprintf(stdout, "Saving S1AP PCAP file (DLT=%d) to %s\n", S1AP_LTE_DLT, filename.c_str());
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DLT_PCAP_Close(pcap_file);
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}
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void s1ap_pcap::write_s1ap(uint8_t* pdu, uint32_t pdu_len_bytes)
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{
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if (enable_write) {
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S1AP_Context_Info_t context;
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if (pdu) {
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LTE_PCAP_S1AP_WritePDU(pcap_file, &context, pdu, pdu_len_bytes);
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}
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}
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}
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} // namespace srsran
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