src/fs/coss/StoreFScoss.cc

   1
   2 /*
   3  * $Id: StoreFScoss.cc,v 1.2 2003/08/27 21:19:38 wessels Exp $
   4  *
   5  * DEBUG: section 47    Store Directory Routines
   6  * AUTHOR: Robert Collins
   7  *
   8  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   9  * ----------------------------------------------------------
  10  *
  11  *  Squid is the result of efforts by numerous individuals from
  12  *  the Internet community; see the CONTRIBUTORS file for full
  13  *  details.   Many organizations have provided support for Squid's
  14  *  development; see the SPONSORS file for full details.  Squid is
  15  *  Copyrighted (C) 2001 by the Regents of the University of
  16  *  California; see the COPYRIGHT file for full details.  Squid
  17  *  incorporates software developed and/or copyrighted by other
  18  *  sources; see the CREDITS file for full details.
  19  *
  20  *  This program is free software; you can redistribute it and/or modify
  21  *  it under the terms of the GNU General Public License as published by
  22  *  the Free Software Foundation; either version 2 of the License, or
  23  *  (at your option) any later version.
  24  *
  25  *  This program is distributed in the hope that it will be useful,
  26  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  *  GNU General Public License for more details.
  29  *
  30  *  You should have received a copy of the GNU General Public License
  31  *  along with this program; if not, write to the Free Software
  32  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  33  *
  34  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  35  */
  36
  37 #include "StoreFileSystem.h"
  38 #include "fs/coss/StoreFScoss.h"
  39 #include "store_coss.h"
  40 #include "Store.h"
  41
  42 struct _coss_stats coss_stats;
  43
  44 static void storeCossStats(StoreEntry *);
  45
  46 StoreFScoss StoreFScoss::_instance;
  47
  48 StoreFileSystem &
  49 StoreFScoss::GetInstance()
  50 {
  51     return _instance;
  52 }
  53
  54 StoreFScoss::StoreFScoss()
  55 {
  56     FsAdd(*this);
  57 }
  58
  59 char const *
  60 StoreFScoss::type() const
  61 {
  62     return "coss";
  63 }
  64
  65 void
  66 StoreFScoss::done()
  67 {
  68     /*  memPoolDestroy(&coss_index_pool);  XXX Should be here? */
  69     cachemgrRegister("coss", "COSS Stats", storeCossStats, 0, 1);
  70     initialised = false;
  71 }
  72
  73 SwapDir *
  74 StoreFScoss::createSwapDir()
  75 {
  76     SwapDir *result = new CossSwapDir;
  77     return result;
  78 }
  79
  80
  81 void
  82 StoreFScoss::setup()
  83 {
  84     assert(!initialised);
  85
  86     coss_index_pool = memPoolCreate("COSS index data", sizeof(CossIndexNode));
  87     initialised = true;
  88 }
  89
  90 static void
  91 storeCossStats(StoreEntry * sentry)
  92 {
  93     const char *tbl_fmt = "%10s %10d %10d %10d\n";
  94     storeAppendPrintf(sentry, "\n                   OPS     SUCCESS        FAIL\n");
  95     storeAppendPrintf(sentry, tbl_fmt,
  96                       "open", coss_stats.open.ops, coss_stats.open.success, coss_stats.open.fail);
  97     storeAppendPrintf(sentry, tbl_fmt,
  98                       "create", coss_stats.create.ops, coss_stats.create.success, coss_stats.create.fail);
  99     storeAppendPrintf(sentry, tbl_fmt,
 100                       "close", coss_stats.close.ops, coss_stats.close.success, coss_stats.close.fail);
 101     storeAppendPrintf(sentry, tbl_fmt,
 102                       "unlink", coss_stats.unlink.ops, coss_stats.unlink.success, coss_stats.unlink.fail);
 103     storeAppendPrintf(sentry, tbl_fmt,
 104                       "read", coss_stats.read.ops, coss_stats.read.success, coss_stats.read.fail);
 105     storeAppendPrintf(sentry, tbl_fmt,
 106                       "write", coss_stats.write.ops, coss_stats.write.success, coss_stats.write.fail);
 107     storeAppendPrintf(sentry, tbl_fmt,
 108                       "s_write", coss_stats.stripe_write.ops, coss_stats.stripe_write.success, coss_stats.stripe_write.fail);
 109
 110     storeAppendPrintf(sentry, "\n");
 111     storeAppendPrintf(sentry, "stripes:          %d\n", coss_stats.stripes);
 112     storeAppendPrintf(sentry, "alloc.alloc:      %d\n", coss_stats.alloc.alloc);
 113     storeAppendPrintf(sentry, "alloc.realloc:    %d\n", coss_stats.alloc.realloc);
 114     storeAppendPrintf(sentry, "alloc.collisions: %d\n", coss_stats.alloc.collisions);
 115     storeAppendPrintf(sentry, "disk_overflows:   %d\n", coss_stats.disk_overflows);
 116     storeAppendPrintf(sentry, "stripe_overflows: %d\n", coss_stats.stripe_overflows);
 117     storeAppendPrintf(sentry, "open_mem_hits:    %d\n", coss_stats.open_mem_hits);
 118     storeAppendPrintf(sentry, "open_mem_misses:  %d\n", coss_stats.open_mem_misses);
 119 }