nfdump/bin/pcaproc.h

91 lines
2.9 KiB
C

/*
* Copyright (c) 2016, Peter Haag
* Copyright (c) 2014, Peter Haag
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the author nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _PCAPROC_H
#define _PCAPROC_H 1
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include <time.h>
#include <pthread.h>
#include <pcap.h>
#include "flowtree.h"
typedef struct proc_stat_s {
uint32_t packets;
uint32_t unknown;
uint32_t skipped;
uint32_t short_snap;
} proc_stat_t;
typedef struct pcap_dev_s {
pcap_t *handle;
uint32_t snaplen;
uint32_t linkoffset;
uint32_t linktype;
proc_stat_t proc_stat;
} pcap_dev_t;
typedef struct pcapfile_s {
void *data_buffer;
void *data_ptr;
uint32_t data_size;
void *alternate_buffer;
uint32_t alternate_size;
int pfd;
time_t t_CloseRename;
pcap_dumper_t *pd;
pcap_t *p;
pthread_mutex_t m_pbuff;
pthread_cond_t c_pbuff;
} pcapfile_t;
pcapfile_t *OpenNewPcapFile(pcap_t *p, char *filename, pcapfile_t *pcapfile);
int ClosePcapFile(pcapfile_t *pcapfile);
void RotateFile(pcapfile_t *pcapfile, time_t t_CloseRename, int live);
void PcapDump(pcapfile_t *pcapfile, struct pcap_pkthdr *h, const u_char *sp);
void ProcessFlowNode(FlowSource_t *fs, struct FlowNode *node);
void ProcessPacket(NodeList_t *nodeList, pcap_dev_t *pcap_dev, const struct pcap_pkthdr *hdr, const u_char *data);
#endif // _PCAPROC_H