src/StatCounters.h

   1 /*
   2  * AUTHOR: Francesco Chemolli (Harvest-derived)
   3  *
   4  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   5  * ----------------------------------------------------------
   6  *
   7  *  Squid is the result of efforts by numerous individuals from
   8  *  the Internet community; see the CONTRIBUTORS file for full
   9  *  details.   Many organizations have provided support for Squid's
  10  *  development; see the SPONSORS file for full details.  Squid is
  11  *  Copyrighted (C) 2001 by the Regents of the University of
  12  *  California; see the COPYRIGHT file for full details.  Squid
  13  *  incorporates software developed and/or copyrighted by other
  14  *  sources; see the CREDITS file for full details.
  15  *
  16  *  This program is free software; you can redistribute it and/or modify
  17  *  it under the terms of the GNU General Public License as published by
  18  *  the Free Software Foundation; either version 2 of the License, or
  19  *  (at your option) any later version.
  20  *
  21  *  This program is distributed in the hope that it will be useful,
  22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  *  GNU General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU General Public License
  27  *  along with this program; if not, write to the Free Software
  28  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  29  *
  30  *
  31  */
  32 #ifndef STATCOUNTERS_H_
  33 #define STATCOUNTERS_H_
  34
  35 #include "StatHist.h"
  36
  37 #if USE_CACHE_DIGESTS
  38 /** statistics for cache digests and other hit "predictors" */
  39 class CacheDigestGuessStats
  40 {
  41 public:
  42     int trueHits;
  43     int falseHits;
  44     int trueMisses;
  45     int falseMisses;
  46     int closeHits;     /// \todo: temporary remove it later
  47 };
  48 #endif
  49
  50 /** General collection of process-wide statistics.
  51  *
  52  * \note if you add a field to StatCounters,
  53  * you MUST sync statCountersInitSpecial, statCountersClean, and statCountersCopy
  54  */
  55 class StatCounters
  56 {
  57 public:
  58     struct {
  59         int clients;
  60         int requests;
  61         int hits;
  62         int mem_hits;
  63         int disk_hits;
  64         int errors;
  65         kb_t kbytes_in;
  66         kb_t kbytes_out;
  67         kb_t hit_kbytes_out;
  68         StatHist missSvcTime;
  69         StatHist nearMissSvcTime;
  70         StatHist nearHitSvcTime;
  71         StatHist hitSvcTime;
  72         StatHist allSvcTime;
  73     } client_http;
  74
  75     struct {
  76
  77         struct {
  78             int requests;
  79             int errors;
  80             kb_t kbytes_in;
  81             kb_t kbytes_out;
  82         } all , http, ftp, other;
  83     } server;
  84
  85     struct {
  86         int pkts_sent;
  87         int queries_sent;
  88         int replies_sent;
  89         int pkts_recv;
  90         int queries_recv;
  91         int replies_recv;
  92         int hits_sent;
  93         int hits_recv;
  94         int replies_queued;
  95         int replies_dropped;
  96         kb_t kbytes_sent;
  97         kb_t q_kbytes_sent;
  98         kb_t r_kbytes_sent;
  99         kb_t kbytes_recv;
 100         kb_t q_kbytes_recv;
 101         kb_t r_kbytes_recv;
 102         StatHist querySvcTime;
 103         StatHist replySvcTime;
 104         int query_timeouts;
 105         int times_used;
 106     } icp;
 107
 108     struct {
 109         int pkts_sent;
 110         int pkts_recv;
 111     } htcp;
 112
 113     struct {
 114         int requests;
 115     } unlink;
 116
 117     struct {
 118         StatHist svcTime;
 119     } dns;
 120
 121     struct {
 122         int times_used;
 123         kb_t kbytes_sent;
 124         kb_t kbytes_recv;
 125         kb_t memory;
 126         int msgs_sent;
 127         int msgs_recv;
 128 #if USE_CACHE_DIGESTS
 129
 130         CacheDigestGuessStats guess;
 131 #endif
 132
 133         StatHist on_xition_count;
 134     } cd;
 135
 136     struct {
 137         int times_used;
 138     } netdb;
 139     int page_faults;
 140     unsigned long int select_loops;
 141     int select_fds;
 142     double select_time;
 143     double cputime;
 144
 145     struct timeval timestamp;
 146     StatHist comm_udp_incoming;
 147     StatHist comm_dns_incoming;
 148     StatHist comm_tcp_incoming;
 149     StatHist select_fds_hist;
 150
 151     struct {
 152         struct {
 153             int opens;
 154             int closes;
 155             int reads;
 156             int writes;
 157             int seeks;
 158             int unlinks;
 159         } disk;
 160
 161         struct {
 162             int accepts;
 163             int sockets;
 164             int connects;
 165             int binds;
 166             int closes;
 167             int reads;
 168             int writes;
 169             int recvfroms;
 170             int sendtos;
 171         } sock;
 172         int selects;
 173     } syscalls;
 174     int aborted_requests;
 175
 176     struct {
 177         int files_cleaned;
 178         int outs;
 179         int ins;
 180     } swap;
 181
 182 private:
 183 };
 184
 185 extern StatCounters statCounter;
 186
 187 #endif /* STATCOUNTERS_H_ */