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528b2c61 | 1 | /* |
528b2c61 | 2 | * |
3 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
4 | * ---------------------------------------------------------- | |
5 | * | |
6 | * Squid is the result of efforts by numerous individuals from | |
7 | * the Internet community; see the CONTRIBUTORS file for full | |
8 | * details. Many organizations have provided support for Squid's | |
9 | * development; see the SPONSORS file for full details. Squid is | |
10 | * Copyrighted (C) 2001 by the Regents of the University of | |
11 | * California; see the COPYRIGHT file for full details. Squid | |
12 | * incorporates software developed and/or copyrighted by other | |
13 | * sources; see the CREDITS file for full details. | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License as published by | |
17 | * the Free Software Foundation; either version 2 of the License, or | |
18 | * (at your option) any later version. | |
26ac0430 | 19 | * |
528b2c61 | 20 | * This program is distributed in the hope that it will be useful, |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
26ac0430 | 24 | * |
528b2c61 | 25 | * You should have received a copy of the GNU General Public License |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
28 | * | |
29 | */ | |
528b2c61 | 30 | #ifndef SQUID_TYPELENGTHVALUEUNPACKER_H |
31 | #define SQUID_TYPELENGTHVALUEUNPACKER_H | |
32 | ||
33 | class StoreMeta; | |
e1f7507e AJ |
34 | class StoreEntry; |
35 | ||
62e76326 | 36 | class StoreMetaUnpacker |
37 | { | |
38 | ||
528b2c61 | 39 | public: |
40 | StoreMetaUnpacker (const char *buf, ssize_t bufferLength, int *hdrlen); | |
41 | StoreMeta *createStoreMeta(); | |
e2851fe7 | 42 | bool isBufferZero(); ///< all-zeros buffer, implies !isBufferSane |
528b2c61 | 43 | bool isBufferSane(); |
62e76326 | 44 | |
528b2c61 | 45 | private: |
57d55dfa | 46 | static int const MinimumBufferLength; |
62e76326 | 47 | |
528b2c61 | 48 | void getBufferLength(); |
49 | void getType(); | |
50 | void getLength(); | |
51 | void getTLV(); | |
52 | bool doOneEntry(); | |
53 | bool moreToProcess() const; | |
54 | ||
55 | char const * const buf; | |
56 | ssize_t buflen; | |
57 | int *hdr_len; | |
57d55dfa | 58 | int position; |
528b2c61 | 59 | char type; |
60 | int length; | |
61 | StoreMeta **tail; | |
62 | }; | |
63 | ||
64 | /* | |
65 | * store_swapmeta.c | |
66 | */ | |
d9c252f2 FC |
67 | char *storeSwapMetaPack(StoreMeta * tlv_list, int *length); |
68 | StoreMeta *storeSwapMetaBuild(StoreEntry * e); | |
69 | StoreMeta *storeSwapMetaUnpack(const char *buf, int *hdrlen); | |
70 | void storeSwapTLVFree(StoreMeta * n); | |
528b2c61 | 71 | StoreMeta ** storeSwapTLVAdd(int type, const void *ptr, size_t len, StoreMeta ** tail); |
72 | ||
73 | #endif /* SQUID_TYPELENGTHVALUEUNPACKER_H */ |