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***   Authentication, authorization, accounting + firewalling package
***   Copyright 1998-2002 Anton Vinokurov <anton@netams.com>
***   Copyright 2002-2008 NeTAMS Development Team
***   This code is GPL v3
***   For latest version and more info, visit this project web page
***   located at http://www.netams.com
/* $Id: bw.h,v 1.17 2008-02-23 08:35:03 anton Exp $ */

#ifdef HAVE_BW

struct entry;
typedef struct BWdata BWdata;
typedef struct bwUlist bwUlist;

//this is per ds
#define BW_HASH_SIZE   0x4000
#define BW_HASH(ptr)   ((unsigned long)ptr>>4)&BW_HASH_MASK

class BWEngine {

            unsigned bwd_used;
            unsigned bwd_total;
            BWdata *bwdReady; 
            unsigned bwu_used;
            unsigned bwu_total;
            bwUlist *bwuReady;

            BWdata **table;

            void AddBW2entry(BWinfo *bwi, entry *e, match mf, void *key);
            void FreeBWentry(entry *e);

typedef struct BWdata {
      void *key;
      unsigned long limit_in;
      unsigned long limit_out;

      unsigned num_flows;
      unsigned long end_t[2];
      unsigned long total_bytes[2];
      BWdata* next;

      //probably need to add reference to object from where we get *BWinfo
} __attribute__((packed)) BWdata;

typedef struct bwUlist {
      match mf; //this necessary do detect flow derection for connected unit
      bwUlist *next;
      BWdata *bwd;
} __attribute__((packed)) bwUlist;

u_char BWCheck(entry *e, u_long size, struct timeval *tv);


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