nfdump/bin/nfstat.h

132 lines
4.6 KiB
C

/*
* Copyright (c) 2017, Peter Haag
* Copyright (c) 2014, Peter Haag
* Copyright (c) 2009, Peter Haag
* Copyright (c) 2004-2008, SWITCH - Teleinformatikdienste fuer Lehre und Forschung
* 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 _NFSTAT_H
#define _NFSTAT_H 1
#include "config.h"
#include <sys/types.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include "nf_common.h"
#include "nfx.h"
#include "nffile.h"
/* Definitions */
/*
* Stat Table
* In order to generate any flow element statistics, the flows passed the filter
* are stored into an internal hash table.
*/
typedef struct SumRecord_s {
uint64_t flows;
uint64_t ipkg;
uint64_t opkg;
uint64_t ibyte;
uint64_t obyte;
} SumRecord_t;
typedef struct StatRecord {
// record chain
struct StatRecord *next;
// flow parameters
uint64_t counter[5]; // flows ipkg ibyte opkg obyte
uint32_t first;
uint32_t last;
uint16_t msec_first;
uint16_t msec_last;
uint8_t record_flags;
uint8_t tcp_flags;
uint8_t tos;
// key
uint8_t prot;
uint64_t stat_key[2];
} StatRecord_t;
typedef struct hash_StatTable {
/* hash table data */
uint16_t NumBits; /* width of the hash table */
uint32_t IndexMask; /* Mask which corresponds to NumBits */
StatRecord_t **bucket; /* Hash entry point: points to elements in the stat block */
StatRecord_t **bucketcache; /* in case of index collisions, this array points to the last element with that index */
/* memory management */
/* memory blocks - containing the stat records */
StatRecord_t **memblock; /* array holding all NumBlocks allocated stat blocks */
uint32_t MaxBlocks; /* Size of memblock array */
/* stat blocks - containing the stat records */
uint32_t NumBlocks; /* number of allocated stat blocks in memblock array */
uint32_t Prealloc; /* Number of stat records in each stat block */
uint32_t NextBlock; /* This stat block contains the next free slot for a stat recorrd */
uint32_t NextElem; /* This element in the current stat block is the next free slot */
} hash_StatTable;
typedef struct SortElement {
void *record;
uint64_t count;
} SortElement_t;
#define MULTIPLE_LIST_ORDERS 1
#define SINGLE_LIST_ORDER 0
/* Function prototypes */
void SetLimits(int stat, char *packet_limit_string, char *byte_limit_string );
int Init_StatTable(uint16_t NumBits, uint32_t Prealloc);
void Dispose_StatTable(void);
int SetStat(char *str, int *element_stat, int *flow_stat);
int Parse_PrintOrder(char *order);
void AddStat(common_record_t *raw_record, master_record_t *flow_record );
void PrintFlowTable(printer_t print_record, uint32_t limitflows, int tag, int GuessDir, extension_map_list_t *extension_map_list);
void PrintFlowStat(char *record_header, printer_t print_record, int topN, int tag, int quiet, int cvs_output, extension_map_list_t *extension_map_list);
void PrintElementStat(stat_record_t *sum_stat, uint32_t limitflows, char *record_header, printer_t print_record, int topN, int tag, int quiet, int pipe_output, int cvs_output);
int ParseListOrder(char *s, int multiple_orders );
void PrintSortedFlows(printer_t print_record, uint32_t limitflows, int tag);
#endif //_NFSTAT_H