src/StatCounters.h

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