mirror of https://github.com/pvnis/srsRAN_4G.git
move PCAP into own compilation unit
this removes inline keyword from PCAP functions and puts all functions into own C file before forced inlining caused an issue when compiling for ARM on Ubuntu 19.10 on the RPi4 using gcc version 9.2.1master
Andre Puschmann
5 years ago
parent
883c2900c8
commit
e5b1673b3b
@ -0,0 +1,360 @@
|
|||||||
|
/*
|
||||||
|
* 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/common/pcap.h"
|
||||||
|
#include <arpa/inet.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <sys/time.h>
|
||||||
|
|
||||||
|
/* Open the file and write file header */
|
||||||
|
FILE* LTE_PCAP_Open(uint32_t DLT, const char* fileName)
|
||||||
|
{
|
||||||
|
pcap_hdr_t file_header = {
|
||||||
|
0xa1b2c3d4, /* magic number */
|
||||||
|
2,
|
||||||
|
4, /* version number is 2.4 */
|
||||||
|
0, /* timezone */
|
||||||
|
0, /* sigfigs - apparently all tools do this */
|
||||||
|
65535, /* snaplen - this should be long enough */
|
||||||
|
DLT /* Data Link Type (DLT). Set as unused value 147 for now */
|
||||||
|
};
|
||||||
|
|
||||||
|
FILE* fd = fopen(fileName, "w");
|
||||||
|
if (fd == NULL) {
|
||||||
|
printf("Failed to open file \"%s\" for writing\n", fileName);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Write the file header */
|
||||||
|
fwrite(&file_header, sizeof(pcap_hdr_t), 1, fd);
|
||||||
|
|
||||||
|
return fd;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Close the PCAP file */
|
||||||
|
void LTE_PCAP_Close(FILE* fd)
|
||||||
|
{
|
||||||
|
if (fd) {
|
||||||
|
fclose(fd);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Write an individual PDU (PCAP packet header + mac-context + mac-pdu) */
|
||||||
|
int LTE_PCAP_MAC_WritePDU(FILE* fd, MAC_Context_Info_t* context, const unsigned char* PDU, unsigned int length)
|
||||||
|
{
|
||||||
|
pcaprec_hdr_t packet_header;
|
||||||
|
char context_header[256];
|
||||||
|
int offset = 0;
|
||||||
|
uint16_t tmp16;
|
||||||
|
|
||||||
|
/* Can't write if file wasn't successfully opened */
|
||||||
|
if (fd == NULL) {
|
||||||
|
printf("Error: Can't write to empty file handle\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*****************************************************************/
|
||||||
|
/* Context information (same as written by UDP heuristic clients */
|
||||||
|
context_header[offset++] = context->radioType;
|
||||||
|
context_header[offset++] = context->direction;
|
||||||
|
context_header[offset++] = context->rntiType;
|
||||||
|
|
||||||
|
/* RNTI */
|
||||||
|
context_header[offset++] = MAC_LTE_RNTI_TAG;
|
||||||
|
tmp16 = htons(context->rnti);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
/* UEId */
|
||||||
|
context_header[offset++] = MAC_LTE_UEID_TAG;
|
||||||
|
tmp16 = htons(context->ueid);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
/* Subframe Number and System Frame Number */
|
||||||
|
/* SFN is stored in 12 MSB and SF in 4 LSB */
|
||||||
|
context_header[offset++] = MAC_LTE_FRAME_SUBFRAME_TAG;
|
||||||
|
tmp16 = (context->sysFrameNumber << 4) | context->subFrameNumber;
|
||||||
|
tmp16 = htons(tmp16);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
/* CRC Status */
|
||||||
|
context_header[offset++] = MAC_LTE_CRC_STATUS_TAG;
|
||||||
|
context_header[offset++] = context->crcStatusOK;
|
||||||
|
|
||||||
|
/* NB-IoT mode tag */
|
||||||
|
context_header[offset++] = MAC_LTE_NB_MODE_TAG;
|
||||||
|
context_header[offset++] = context->nbiotMode;
|
||||||
|
|
||||||
|
/* Data tag immediately preceding PDU */
|
||||||
|
context_header[offset++] = MAC_LTE_PAYLOAD_TAG;
|
||||||
|
|
||||||
|
/****************************************************************/
|
||||||
|
/* PCAP Header */
|
||||||
|
struct timeval t;
|
||||||
|
gettimeofday(&t, NULL);
|
||||||
|
packet_header.ts_sec = t.tv_sec;
|
||||||
|
packet_header.ts_usec = t.tv_usec;
|
||||||
|
packet_header.incl_len = offset + length;
|
||||||
|
packet_header.orig_len = offset + length;
|
||||||
|
|
||||||
|
/***************************************************************/
|
||||||
|
/* Now write everything to the file */
|
||||||
|
fwrite(&packet_header, sizeof(pcaprec_hdr_t), 1, fd);
|
||||||
|
fwrite(context_header, 1, offset, fd);
|
||||||
|
fwrite(PDU, 1, length, fd);
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Write an individual PDU (PCAP packet header + nas-context + nas-pdu) */
|
||||||
|
int LTE_PCAP_NAS_WritePDU(FILE* fd, NAS_Context_Info_t* context, const unsigned char* PDU, unsigned int length)
|
||||||
|
{
|
||||||
|
pcaprec_hdr_t packet_header;
|
||||||
|
|
||||||
|
/* Can't write if file wasn't successfully opened */
|
||||||
|
if (fd == NULL) {
|
||||||
|
printf("Error: Can't write to empty file handle\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************/
|
||||||
|
/* PCAP Header */
|
||||||
|
struct timeval t;
|
||||||
|
gettimeofday(&t, NULL);
|
||||||
|
packet_header.ts_sec = t.tv_sec;
|
||||||
|
packet_header.ts_usec = t.tv_usec;
|
||||||
|
packet_header.incl_len = length;
|
||||||
|
packet_header.orig_len = length;
|
||||||
|
|
||||||
|
/***************************************************************/
|
||||||
|
/* Now write everything to the file */
|
||||||
|
fwrite(&packet_header, sizeof(pcaprec_hdr_t), 1, fd);
|
||||||
|
fwrite(PDU, 1, length, fd);
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**************************************************************************
|
||||||
|
* API functions for writing RLC-LTE PCAP files *
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
/* Write an individual RLC PDU (PCAP packet header + UDP header + rlc-context + rlc-pdu) */
|
||||||
|
int LTE_PCAP_RLC_WritePDU(FILE* fd, RLC_Context_Info_t* context, const unsigned char* PDU, unsigned int length)
|
||||||
|
{
|
||||||
|
pcaprec_hdr_t packet_header;
|
||||||
|
char context_header[256];
|
||||||
|
int offset = 0;
|
||||||
|
uint16_t tmp16;
|
||||||
|
|
||||||
|
/* Can't write if file wasn't successfully opened */
|
||||||
|
if (fd == NULL) {
|
||||||
|
printf("Error: Can't write to empty file handle\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*****************************************************************/
|
||||||
|
|
||||||
|
// Add dummy UDP header, start with src and dest port
|
||||||
|
context_header[offset++] = 0xde;
|
||||||
|
context_header[offset++] = 0xad;
|
||||||
|
context_header[offset++] = 0xbe;
|
||||||
|
context_header[offset++] = 0xef;
|
||||||
|
// length
|
||||||
|
tmp16 = length + 12;
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
// dummy CRC
|
||||||
|
context_header[offset++] = 0xde;
|
||||||
|
context_header[offset++] = 0xad;
|
||||||
|
|
||||||
|
// Start magic string
|
||||||
|
memcpy(&context_header[offset], RLC_LTE_START_STRING, strlen(RLC_LTE_START_STRING));
|
||||||
|
offset += strlen(RLC_LTE_START_STRING);
|
||||||
|
|
||||||
|
// Fixed field RLC mode
|
||||||
|
context_header[offset++] = context->rlcMode;
|
||||||
|
|
||||||
|
// Conditional fields
|
||||||
|
if (context->rlcMode == RLC_UM_MODE) {
|
||||||
|
context_header[offset++] = RLC_LTE_SN_LENGTH_TAG;
|
||||||
|
context_header[offset++] = context->sequenceNumberLength;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Optional fields
|
||||||
|
context_header[offset++] = RLC_LTE_DIRECTION_TAG;
|
||||||
|
context_header[offset++] = context->direction;
|
||||||
|
|
||||||
|
context_header[offset++] = RLC_LTE_PRIORITY_TAG;
|
||||||
|
context_header[offset++] = context->priority;
|
||||||
|
|
||||||
|
context_header[offset++] = RLC_LTE_UEID_TAG;
|
||||||
|
tmp16 = htons(context->ueid);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
context_header[offset++] = RLC_LTE_CHANNEL_TYPE_TAG;
|
||||||
|
tmp16 = htons(context->channelType);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
context_header[offset++] = RLC_LTE_CHANNEL_ID_TAG;
|
||||||
|
tmp16 = htons(context->channelId);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
// Now the actual PDU
|
||||||
|
context_header[offset++] = RLC_LTE_PAYLOAD_TAG;
|
||||||
|
|
||||||
|
// PCAP header
|
||||||
|
struct timeval t;
|
||||||
|
gettimeofday(&t, NULL);
|
||||||
|
packet_header.ts_sec = t.tv_sec;
|
||||||
|
packet_header.ts_usec = t.tv_usec;
|
||||||
|
packet_header.incl_len = offset + length;
|
||||||
|
packet_header.orig_len = offset + length;
|
||||||
|
|
||||||
|
// Write everything to file
|
||||||
|
fwrite(&packet_header, sizeof(pcaprec_hdr_t), 1, fd);
|
||||||
|
fwrite(context_header, 1, offset, fd);
|
||||||
|
fwrite(PDU, 1, length, fd);
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Write an individual PDU (PCAP packet header + s1ap-context + s1ap-pdu) */
|
||||||
|
int LTE_PCAP_S1AP_WritePDU(FILE* fd, S1AP_Context_Info_t* context, const unsigned char* PDU, unsigned int length)
|
||||||
|
{
|
||||||
|
pcaprec_hdr_t packet_header;
|
||||||
|
|
||||||
|
/* Can't write if file wasn't successfully opened */
|
||||||
|
if (fd == NULL) {
|
||||||
|
printf("Error: Can't write to empty file handle\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************/
|
||||||
|
/* PCAP Header */
|
||||||
|
struct timeval t;
|
||||||
|
gettimeofday(&t, NULL);
|
||||||
|
packet_header.ts_sec = t.tv_sec;
|
||||||
|
packet_header.ts_usec = t.tv_usec;
|
||||||
|
packet_header.incl_len = length;
|
||||||
|
packet_header.orig_len = length;
|
||||||
|
|
||||||
|
/***************************************************************/
|
||||||
|
/* Now write everything to the file */
|
||||||
|
fwrite(&packet_header, sizeof(pcaprec_hdr_t), 1, fd);
|
||||||
|
fwrite(PDU, 1, length, fd);
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**************************************************************************
|
||||||
|
* API functions for writing MAC-NR PCAP files *
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
/* Write an individual NR MAC PDU (PCAP packet header + UDP header + nr-mac-context + mac-pdu) */
|
||||||
|
int NR_PCAP_MAC_WritePDU(FILE* fd, mac_nr_context_info_t* context, const unsigned char* PDU, unsigned int length)
|
||||||
|
{
|
||||||
|
char context_header[256] = {};
|
||||||
|
int offset = 0;
|
||||||
|
|
||||||
|
/* Can't write if file wasn't successfully opened */
|
||||||
|
if (fd == NULL) {
|
||||||
|
printf("Error: Can't write to empty file handle\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Add dummy UDP header, start with src and dest port
|
||||||
|
context_header[offset++] = 0xde;
|
||||||
|
context_header[offset++] = 0xad;
|
||||||
|
context_header[offset++] = 0xbe;
|
||||||
|
context_header[offset++] = 0xef;
|
||||||
|
// length
|
||||||
|
uint16_t tmp16 = htons(length + 31);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
// dummy CRC
|
||||||
|
context_header[offset++] = 0xde;
|
||||||
|
context_header[offset++] = 0xad;
|
||||||
|
|
||||||
|
// Start magic string
|
||||||
|
memcpy(&context_header[offset], MAC_NR_START_STRING, strlen(MAC_NR_START_STRING));
|
||||||
|
offset += strlen(MAC_NR_START_STRING);
|
||||||
|
|
||||||
|
/*****************************************************************/
|
||||||
|
/* Context information (same as written by UDP heuristic clients */
|
||||||
|
context_header[offset++] = context->radioType;
|
||||||
|
context_header[offset++] = context->direction;
|
||||||
|
context_header[offset++] = context->rntiType;
|
||||||
|
|
||||||
|
/* RNTI */
|
||||||
|
context_header[offset++] = MAC_LTE_RNTI_TAG;
|
||||||
|
tmp16 = htons(context->rnti);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
/* UEId */
|
||||||
|
context_header[offset++] = MAC_LTE_UEID_TAG;
|
||||||
|
tmp16 = htons(context->ueid);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
/* HARQID */
|
||||||
|
context_header[offset++] = MAC_NR_HARQID;
|
||||||
|
context_header[offset++] = context->harqid;
|
||||||
|
|
||||||
|
/* PHR Type2 other cell */
|
||||||
|
context_header[offset++] = MAC_NR_PHR_TYPE2_OTHERCELL_TAG;
|
||||||
|
context_header[offset++] = context->phr_type2_othercell;
|
||||||
|
|
||||||
|
/* Subframe Number and System Frame Number */
|
||||||
|
/* SFN is stored in 12 MSB and SF in 4 LSB */
|
||||||
|
context_header[offset++] = MAC_LTE_FRAME_SUBFRAME_TAG;
|
||||||
|
tmp16 = (context->system_frame_number << 4) | context->sub_frame_number;
|
||||||
|
tmp16 = htons(tmp16);
|
||||||
|
memcpy(context_header + offset, &tmp16, 2);
|
||||||
|
offset += 2;
|
||||||
|
|
||||||
|
/* Data tag immediately preceding PDU */
|
||||||
|
context_header[offset++] = MAC_LTE_PAYLOAD_TAG;
|
||||||
|
|
||||||
|
/****************************************************************/
|
||||||
|
/* PCAP Header */
|
||||||
|
struct timeval t;
|
||||||
|
gettimeofday(&t, NULL);
|
||||||
|
pcaprec_hdr_t packet_header;
|
||||||
|
packet_header.ts_sec = t.tv_sec;
|
||||||
|
packet_header.ts_usec = t.tv_usec;
|
||||||
|
packet_header.incl_len = offset + length;
|
||||||
|
packet_header.orig_len = offset + length;
|
||||||
|
|
||||||
|
/***************************************************************/
|
||||||
|
/* Now write everything to the file */
|
||||||
|
fwrite(&packet_header, sizeof(pcaprec_hdr_t), 1, fd);
|
||||||
|
fwrite(context_header, 1, offset, fd);
|
||||||
|
fwrite(PDU, 1, length, fd);
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue