contrib/ipfilter/ip_dstlist.h

   1 /*
   2  * Copyright (C) 2012 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  *
   6  * $Id: ip_dstlist.h,v 1.5.2.6 2012/07/22 08:04:23 darren_r Exp $
   7  */
   8
   9 #ifndef __IP_DSTLIST_H__
  10 #define __IP_DSTLIST_H__
  11
  12 typedef struct ipf_dstnode {
  13         struct ipf_dstnode      *ipfd_next;
  14         struct ipf_dstnode      **ipfd_pnext;
  15         ipfmutex_t              ipfd_lock;
  16         frdest_t                ipfd_dest;
  17         u_long                  ipfd_syncat;
  18         int                     ipfd_flags;
  19         int                     ipfd_size;
  20         int                     ipfd_states;
  21         int                     ipfd_ref;
  22         int                     ipfd_uid;
  23         char                    ipfd_names[1];
  24 } ipf_dstnode_t;
  25
  26 typedef enum ippool_policy_e {
  27         IPLDP_NONE = 0,
  28         IPLDP_ROUNDROBIN,
  29         IPLDP_CONNECTION,
  30         IPLDP_RANDOM,
  31         IPLDP_HASHED,
  32         IPLDP_SRCHASH,
  33         IPLDP_DSTHASH
  34 } ippool_policy_t;
  35
  36 typedef struct ippool_dst {
  37         struct ippool_dst       *ipld_next;
  38         struct ippool_dst       **ipld_pnext;
  39         ipfmutex_t              ipld_lock;
  40         int                     ipld_seed;
  41         int                     ipld_unit;
  42         int                     ipld_ref;
  43         int                     ipld_flags;
  44         int                     ipld_nodes;
  45         int                     ipld_maxnodes;
  46         ippool_policy_t         ipld_policy;
  47         ipf_dstnode_t           **ipld_dests;
  48         ipf_dstnode_t           *ipld_selected;
  49         char                    ipld_name[FR_GROUPLEN];
  50 } ippool_dst_t;
  51
  52 #define IPDST_DELETE            0x01
  53
  54 typedef struct dstlist_stat_s {
  55         void                    *ipls_list[LOOKUP_POOL_SZ];
  56         int                     ipls_numlists;
  57         u_long                  ipls_nomem;
  58         int                     ipls_numnodes;
  59         int                     ipls_numdereflists;
  60         int                     ipls_numderefnodes;
  61 } ipf_dstl_stat_t;
  62
  63 extern ipf_lookup_t ipf_dstlist_backend;
  64
  65 extern int ipf_dstlist_select_node __P((fr_info_t *, void *, u_32_t *,
  66                                         frdest_t *));
  67
  68 #endif /* __IP_DSTLIST_H__ */