src/icmp/net_db.h

   1 /*
   2  * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef ICMP_NET_DB_H
  10 #define ICMP_NET_DB_H
  11
  12 #include "hash.h"
  13
  14 class CachePeer;
  15 class HttpRequest;
  16 class netdbEntry;
  17 class StoreEntry;
  18 namespace Ip
  19 {
  20 class Address;
  21 };
  22
  23 // POD
  24 class net_db_name
  25 {
  26 public:
  27     hash_link hash;     /* must be first */
  28     net_db_name *next;
  29     netdbEntry *net_db_entry;
  30 };
  31
  32 // POD
  33 class net_db_peer
  34 {
  35 public:
  36     const char *peername;
  37     double hops;
  38     double rtt;
  39     time_t expires;
  40 };
  41
  42 // POD
  43 class netdbEntry
  44 {
  45 public:
  46     hash_link hash;     /* must be first */
  47     char network[MAX_IPSTRLEN];
  48     int pings_sent;
  49     int pings_recv;
  50     double hops;
  51     double rtt;
  52     time_t next_ping_time;
  53     time_t last_use_time;
  54     int link_count;
  55     net_db_name *hosts;
  56     net_db_peer *peers;
  57     int n_peers_alloc;
  58     int n_peers;
  59 };
  60
  61 void netdbInit(void);
  62
  63 void netdbHandlePingReply(const Ip::Address &from, int hops, int rtt);
  64 void netdbPingSite(const char *hostname);
  65 void netdbDump(StoreEntry *);
  66
  67 void netdbFreeMemory(void);
  68 int netdbHostHops(const char *host);
  69 int netdbHostRtt(const char *host);
  70 void netdbUpdatePeer(HttpRequest *, CachePeer * e, int rtt, int hops);
  71
  72 void netdbDeleteAddrNetwork(Ip::Address &addr);
  73 void netdbBinaryExchange(StoreEntry *);
  74 void netdbExchangeStart(void *);
  75
  76 void netdbExchangeUpdatePeer(Ip::Address &, CachePeer *, double, double);
  77 CachePeer *netdbClosestParent(HttpRequest *);
  78 void netdbHostData(const char *host, int *samp, int *rtt, int *hops);
  79
  80 #endif /* ICMP_NET_DB_H */
  81