src/ufsdump.cc

   1
   2 /*
   3  * $Id: ufsdump.cc,v 1.8 2006/05/29 00:15:02 robertc Exp $
   4  *
   5  * DEBUG: section 0     UFS Store Dump
   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  */
  35
  36 #include "squid.h"
  37 #include "StoreMeta.h"
  38 #include "StoreMetaUnpacker.h"
  39 #include "Store.h"
  40 #include "Generic.h"
  41 #undef malloc
  42 #undef free
  43 #include <stdexcept>
  44 #include <iostream>
  45 #include <cassert>
  46
  47 #if USE_WIN32_SERVICE
  48 #include "squid_windows.h"
  49 #endif
  50
  51 /* stub functions for parts of squid not factored to be dynamic yet */
  52 void shut_down(int)
  53 {}
  54
  55 #if USE_WIN32_SERVICE
  56 void
  57 rotate_logs(int)
  58 {}
  59
  60 void
  61 reconfigure(int)
  62 {}
  63
  64 #endif
  65
  66 #if WHENITMINIMAL
  67 void
  68 eventAdd(const char *name, EVH * func, void *arg, double when, int, bool cbdata)
  69 {}
  70
  71 #endif
  72 /* end stub functions */
  73
  74 struct DumpStoreMeta : public unary_function<StoreMeta, void>
  75 {
  76     DumpStoreMeta(){}
  77
  78     void operator()(StoreMeta const &x)
  79     {
  80         switch (x.getType()) {
  81
  82         case STORE_META_KEY:
  83             std::cout << "MD5: " << storeKeyText((const cache_key *)x.value) << std::endl;
  84             break;
  85
  86         case STORE_META_STD:
  87             break;
  88
  89         case STORE_META_URL:
  90             assert (((char *)x.value)[x.length - 1] == 0);
  91             std::cout << "URL: " << (char *)x.value << std::endl;
  92
  93         default:
  94             break;
  95         }
  96     }
  97 };
  98
  99 #if USE_WIN32_SERVICE
 100 /* When USE_WIN32_SERVICE is defined, the main function is placed in win32.cc */
 101 extern "C" void WINAPI
 102     SquidWinSvcMain(int, char **)
 103 {}
 104
 105 int
 106 SquidMain(int argc, char *argv[])
 107 #else
 108 int
 109 main(int argc, char *argv[])
 110 #endif
 111 {
 112     int fd = -1;
 113     StoreMeta *metadata = NULL;
 114
 115     try
 116     {
 117         if (argc != 2)
 118             throw std::runtime_error("No filename provided");
 119
 120         fd = open (argv[1], O_RDONLY | O_BINARY);
 121
 122         if (fd < 0)
 123             throw std::runtime_error("Could not open file.");
 124
 125         char tempbuf[SM_PAGE_SIZE];
 126
 127         int len = read(fd, tempbuf, SM_PAGE_SIZE);
 128
 129         if (len < 0)
 130             throw std::runtime_error("Could not read header into memory.");
 131
 132         close (fd);
 133
 134         fd = -1;
 135
 136         int hdr_len;
 137
 138         StoreMetaUnpacker aBuilder(tempbuf, len, &hdr_len);
 139
 140         metadata = aBuilder.createStoreMeta ();
 141
 142         cache_key key[MD5_DIGEST_CHARS];
 143
 144         memset(key, '\0', MD5_DIGEST_CHARS);
 145
 146         DumpStoreMeta dumper;
 147
 148         for_each(*metadata, dumper);
 149
 150
 151         return 0;
 152     } catch (std::runtime_error error)
 153     {
 154         std::cout << "Failed : " << error.what() << std::endl;
 155
 156         if (fd >= 0)
 157             close(fd);
 158
 159         if (metadata)
 160             StoreMeta::FreeList(&metadata);
 161
 162         return 1;
 163     }
 164 }