src/fs/coss/StoreFScoss.cc

   1
   2 /*
   3  * $Id: StoreFScoss.cc,v 1.7 2006/09/03 21:05:21 hno 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 "StoreFScoss.h"
  39 #include "CacheManager.h"
  40 #include "Store.h"
  41 #include "CossSwapDir.h"
  42 #include "store_coss.h"
  43
  44 StoreFScoss StoreFScoss::_instance;
  45
  46 StoreFScoss &
  47 StoreFScoss::GetInstance()
  48 {
  49     return _instance;
  50 }
  51
  52 StoreFScoss::StoreFScoss()
  53 {
  54     FsAdd(*this);
  55 }
  56
  57 char const *
  58 StoreFScoss::type() const
  59 {
  60     return "coss";
  61 }
  62
  63 void
  64 StoreFScoss::done()
  65 {
  66     /*  delete coss_index_pool;coss_index_pool = NULL;  XXX Should be here? */
  67     initialised = false;
  68 }
  69
  70 SwapDir *
  71 StoreFScoss::createSwapDir()
  72 {
  73     SwapDir *result = new CossSwapDir;
  74     return result;
  75 }
  76
  77 void
  78 StoreFScoss::setup()
  79 {
  80     assert(!initialised);
  81
  82     coss_index_pool = memPoolCreate("COSS index data", sizeof(CossIndexNode));
  83     initialised = true;
  84 }
  85
  86 void
  87 StoreFScoss::registerWithCacheManager(CacheManager & manager)
  88 {
  89     manager.registerAction("coss", "COSS Stats", Stats, 0, 1);
  90 }
  91
  92 void
  93 StoreFScoss::Stats(StoreEntry * sentry)
  94 {
  95     GetInstance().stat(sentry);
  96 }
  97
  98 void
  99 StoreFScoss::stat(StoreEntry *sentry)
 100 {
 101     stats.stat(sentry);
 102 }
 103
 104 void
 105 CossStats::stat(StoreEntry *sentry)
 106 {
 107     const char *tbl_fmt = "%10s %10d %10d %10d\n";
 108     storeAppendPrintf(sentry, "\n                   OPS     SUCCESS        FAIL\n");
 109     storeAppendPrintf(sentry, tbl_fmt,
 110                       "open", open.ops, open.success, open.fail);
 111     storeAppendPrintf(sentry, tbl_fmt,
 112                       "create", create.ops, create.success, create.fail);
 113     storeAppendPrintf(sentry, tbl_fmt,
 114                       "close", close.ops, close.success, close.fail);
 115     storeAppendPrintf(sentry, tbl_fmt,
 116                       "unlink", unlink.ops, unlink.success, unlink.fail);
 117     storeAppendPrintf(sentry, tbl_fmt,
 118                       "read", read.ops, read.success, read.fail);
 119     storeAppendPrintf(sentry, tbl_fmt,
 120                       "write", write.ops, write.success, write.fail);
 121     storeAppendPrintf(sentry, tbl_fmt,
 122                       "s_write", stripe_write.ops, stripe_write.success, stripe_write.fail);
 123
 124     storeAppendPrintf(sentry, "\n");
 125     storeAppendPrintf(sentry, "stripes:          %d\n", stripes);
 126     storeAppendPrintf(sentry, "alloc.alloc:      %d\n", alloc.alloc);
 127     storeAppendPrintf(sentry, "alloc.realloc:    %d\n", alloc.realloc);
 128     storeAppendPrintf(sentry, "alloc.collisions: %d\n", alloc.collisions);
 129     storeAppendPrintf(sentry, "disk_overflows:   %d\n", disk_overflows);
 130     storeAppendPrintf(sentry, "stripe_overflows: %d\n", stripe_overflows);
 131     storeAppendPrintf(sentry, "open_mem_hits:    %d\n", open_mem_hits);
 132     storeAppendPrintf(sentry, "open_mem_misses:  %d\n", open_mem_misses);
 133 }