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Table of Contents
nas_pcap.h lib\include\srslte\common 667 4/10/2019 1
nas_pcap.cc lib\src\common 676 2/28/2019 20
- NAS（Network Attached Storage：网络附属存储）
- pcap这个抓包库给抓包系统提供了一个高层次的接口。
nas_pcap.h lib\include\srslte\common 667 4/10/2019 1
#ifndef SRSLTE_NAS_PCAP_H
#define SRSLTE_NAS_PCAP_H
#include "srslte/common/pcap.h"
namespace srslte {
//NAS（Network Attached Storage：网络附属存储）
//pcap这个抓包库给抓包系统提供了一个高层次的接口。
class nas_pcap
{
public:
nas_pcap() {enable_write=false; ue_id=0; pcap_file = NULL; }
void enable();
void open(const char *filename, uint32_t ue_id=0);
void close();
void write_nas(uint8_t *pdu, uint32_t pdu_len_bytes);
private:
bool enable_write;
FILE *pcap_file;
uint32_t ue_id;
void pack_and_write(uint8_t* pdu, uint32_t pdu_len_bytes);
};
} //namespace srslte
#endif // SRSLTE_NAS_PCAP_H
nas_pcap.cc lib\src\common 676 2/28/2019 20
#include <stdint.h>
#include "srslte/srslte.h"
#include "srslte/common/pcap.h"
#include "srslte/common/nas_pcap.h"
namespace srslte {
void nas_pcap::enable()
{
enable_write = true;
}
void nas_pcap::open(const char* filename, uint32_t ue_id)
{
pcap_file = LTE_PCAP_Open(NAS_LTE_DLT, filename);
ue_id = ue_id;
enable_write = true;
}
void nas_pcap::close()
{
fprintf(stdout, "Saving NAS PCAP file\n");
LTE_PCAP_Close(pcap_file);
}
void nas_pcap::write_nas(uint8_t *pdu, uint32_t pdu_len_bytes)
{
if (enable_write) {
NAS_Context_Info_t context;
if (pdu) {
LTE_PCAP_NAS_WritePDU(pcap_file, &context, pdu, pdu_len_bytes);
}
}
}
}