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c8f4eac4 | 1 | |
2 | /* | |
c8f4eac4 | 3 | * |
4 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
5 | * ---------------------------------------------------------- | |
6 | * | |
7 | * Squid is the result of efforts by numerous individuals from | |
8 | * the Internet community; see the CONTRIBUTORS file for full | |
9 | * details. Many organizations have provided support for Squid's | |
10 | * development; see the SPONSORS file for full details. Squid is | |
11 | * Copyrighted (C) 2001 by the Regents of the University of | |
12 | * California; see the COPYRIGHT file for full details. Squid | |
13 | * incorporates software developed and/or copyrighted by other | |
14 | * sources; see the CREDITS file for full details. | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (at your option) any later version. | |
26ac0430 | 20 | * |
c8f4eac4 | 21 | * This program is distributed in the hope that it will be useful, |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
26ac0430 | 25 | * |
c8f4eac4 | 26 | * You should have received a copy of the GNU General Public License |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
29 | * | |
30 | */ | |
31 | ||
32 | #ifndef SQUID_STOREHASHINDEX_H | |
33 | #define SQUID_STOREHASHINDEX_H | |
34 | ||
35 | #include "Store.h" | |
36 | #include "StoreSearch.h" | |
37 | ||
38 | /* A summary store that indexs all its children | |
39 | * into a memory hash | |
40 | */ | |
41 | ||
42 | class StoreSearch; | |
43 | ||
44 | class StoreHashIndex : public Store | |
45 | { | |
46 | ||
47 | public: | |
48 | StoreHashIndex(); | |
49 | StoreHashIndex(StoreHashIndex const &); /* to cause link failures */ | |
50 | virtual ~StoreHashIndex(); | |
51 | virtual int callback(); | |
52 | virtual void create(); | |
53 | ||
54 | virtual StoreEntry * get | |
26ac0430 | 55 | (const cache_key *); |
c8f4eac4 | 56 | |
57 | virtual void get | |
26ac0430 | 58 | (String const, STOREGETCLIENT, void * cbdata); |
c8f4eac4 | 59 | |
60 | virtual void init(); | |
61 | ||
62 | virtual void sync(); | |
63 | ||
12e11a5c | 64 | virtual uint64_t maxSize() const; |
c8f4eac4 | 65 | |
12e11a5c | 66 | virtual uint64_t minSize() const; |
c8f4eac4 | 67 | |
39c1e1d9 DK |
68 | virtual uint64_t currentSize() const; |
69 | ||
70 | virtual uint64_t currentCount() const; | |
71 | ||
af2fda07 DK |
72 | virtual int64_t maxObjectSize() const; |
73 | ||
93bc1434 | 74 | virtual void getStats(StoreInfoStats &stats) const; |
c8f4eac4 | 75 | virtual void stat(StoreEntry&) const; |
76 | ||
77 | virtual void reference(StoreEntry&); | |
78 | ||
4c973beb | 79 | virtual bool dereference(StoreEntry&); |
c8f4eac4 | 80 | |
81 | virtual void maintain(); | |
82 | ||
30abd221 | 83 | virtual StoreSearch *search(String const url, HttpRequest *); |
c8f4eac4 | 84 | |
85 | private: | |
86 | /* migration logic */ | |
87 | StorePointer store(int const x) const; | |
14911a4e | 88 | SwapDir &dir(int const idx) const; |
c8f4eac4 | 89 | }; |
90 | ||
91 | class StoreHashIndexEntry : public StoreEntry | |
26ac0430 | 92 | {}; |
c8f4eac4 | 93 | |
94 | class StoreSearchHashIndex : public StoreSearch | |
95 | { | |
96 | ||
97 | public: | |
98 | StoreSearchHashIndex(RefCount<StoreHashIndex> sd); | |
99 | StoreSearchHashIndex(StoreSearchHashIndex const &); | |
100 | virtual ~StoreSearchHashIndex(); | |
101 | /* Iterator API - garh, wrong place */ | |
102 | /* callback the client when a new StoreEntry is available | |
26ac0430 | 103 | * or an error occurs |
c8f4eac4 | 104 | */ |
105 | virtual void next(void (callback)(void *cbdata), void *cbdata); | |
106 | /* return true if a new StoreEntry is immediately available */ | |
107 | virtual bool next(); | |
108 | virtual bool error() const; | |
109 | virtual bool isDone() const; | |
110 | virtual StoreEntry *currentItem(); | |
111 | ||
112 | RefCount<StoreHashIndex> sd; | |
113 | ||
114 | private: | |
c8f4eac4 | 115 | void copyBucket(); |
116 | void (*callback)(void *cbdata); | |
117 | void *cbdata; | |
118 | bool _done; | |
119 | int bucket; | |
120 | Vector<StoreEntry *> entries; | |
d2bf2f90 AJ |
121 | |
122 | // keep this last. it plays with private/public | |
123 | CBDATA_CLASS2(StoreSearchHashIndex); | |
c8f4eac4 | 124 | }; |
125 | ||
126 | #endif /* SQUID_STOREHASHINDEX_H */ |