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528b2c61 | 1 | |
2 | /* | |
262a0e14 | 3 | * $Id$ |
528b2c61 | 4 | * |
5 | * DEBUG: section 20 Storage Manager Swapfile Metadata | |
6 | * AUTHOR: Kostas Anagnostakis | |
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. | |
26ac0430 | 24 | * |
528b2c61 | 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. | |
26ac0430 | 29 | * |
528b2c61 | 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 | ||
582c2af2 FC |
36 | #include "squid.h" |
37 | #include "md5.h" | |
528b2c61 | 38 | #include "MemObject.h" |
582c2af2 FC |
39 | #include "protos.h" |
40 | #include "Store.h" | |
41 | #include "StoreMetaMD5.h" | |
528b2c61 | 42 | |
62e76326 | 43 | bool |
528b2c61 | 44 | StoreMetaMD5::validLength(int len) const |
45 | { | |
c3031d67 | 46 | return len == SQUID_MD5_DIGEST_LENGTH; |
528b2c61 | 47 | } |
48 | ||
49 | int StoreMetaMD5::md5_mismatches = 0; | |
50 | ||
62e76326 | 51 | bool |
528b2c61 | 52 | StoreMetaMD5::checkConsistency(StoreEntry *e) const |
53 | { | |
54 | assert (getType() == STORE_META_KEY_MD5); | |
c3031d67 | 55 | assert(length == SQUID_MD5_DIGEST_LENGTH); |
62e76326 | 56 | |
528b2c61 | 57 | if (!EBIT_TEST(e->flags, KEY_PRIVATE) && |
c3031d67 | 58 | memcmp(value, e->key, SQUID_MD5_DIGEST_LENGTH)) { |
bf8fe701 | 59 | debugs(20, 2, "storeClientReadHeader: swapin MD5 mismatch"); |
60 | // debugs(20, 2, "\t" << storeKeyText((const cache_key *)value)); | |
61 | debugs(20, 2, "\t" << e->getMD5Text()); | |
62e76326 | 62 | |
63 | if (isPowTen(++md5_mismatches)) | |
e0236918 | 64 | debugs(20, DBG_IMPORTANT, "WARNING: " << md5_mismatches << " swapin MD5 mismatches"); |
62e76326 | 65 | |
66 | return false; | |
528b2c61 | 67 | } |
62e76326 | 68 | |
528b2c61 | 69 | return true; |
70 | } |