src/ufsdump.cc

   1
   2 /*
   3  * $Id: ufsdump.cc,v 1.5 2006/04/29 13:57:39 serassio 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 void shut_down(int)
  48 {}
  49
  50
  51 struct DumpStoreMeta : public unary_function<StoreMeta, void>
  52 {
  53     DumpStoreMeta(){}
  54
  55     void operator()(StoreMeta const &x)
  56     {
  57         switch (x.getType()) {
  58
  59         case STORE_META_KEY:
  60             std::cout << "MD5: " << storeKeyText((const cache_key *)x.value) << std::endl;
  61             break;
  62
  63         case STORE_META_STD:
  64             break;
  65
  66         case STORE_META_URL:
  67             assert (((char *)x.value)[x.length - 1] == 0);
  68             std::cout << "URL: " << (char *)x.value << std::endl;
  69
  70         default:
  71             break;
  72         }
  73     }
  74 };
  75
  76 #if USE_WIN32_SERVICE
  77 /* When USE_WIN32_SERVICE is defined, the main function is placed in win32.cc */
  78 extern "C" void WINAPI
  79     SquidWinSvcMain(int, char **)
  80 {}
  81
  82 int
  83 SquidMain(int argc, char *argv[])
  84 #else
  85 int
  86 main(int argc, char *argv[])
  87 #endif
  88 {
  89     int fd = -1;
  90     StoreMeta *metadata = NULL;
  91
  92     try
  93     {
  94         if (argc != 2)
  95             throw std::runtime_error("No filename provided");
  96
  97         fd = open (argv[1], O_RDONLY | O_BINARY);
  98
  99         if (fd < 0)
 100             throw std::runtime_error("Could not open file.");
 101
 102         char tempbuf[SM_PAGE_SIZE];
 103
 104         int len = read(fd, tempbuf, SM_PAGE_SIZE);
 105
 106         if (len < 0)
 107             throw std::runtime_error("Could not read header into memory.");
 108
 109         close (fd);
 110
 111         fd = -1;
 112
 113         int hdr_len;
 114
 115         StoreMetaUnpacker aBuilder(tempbuf, len, &hdr_len);
 116
 117         metadata = aBuilder.createStoreMeta ();
 118
 119         StoreEntry anEntry;
 120
 121         cache_key key[MD5_DIGEST_CHARS];
 122
 123         memset(key, '\0', MD5_DIGEST_CHARS);
 124
 125         memset(&anEntry, '\0', sizeof(StoreEntry));
 126
 127         DumpStoreMeta dumper;
 128
 129         for_each(*metadata, dumper);
 130
 131
 132         return 0;
 133     } catch (std::runtime_error error)
 134     {
 135         std::cout << "Failed : " << error.what() << std::endl;
 136
 137         if (fd >= 0)
 138             close(fd);
 139
 140         if (metadata)
 141             StoreMeta::FreeList(&metadata);
 142
 143         return 1;
 144     }
 145 }