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c8f4eac4 | 1 | |
2 | /* | |
47f6e231 | 3 | * $Id: StoreHashIndex.h,v 1.5 2007/08/13 17:20:51 hno Exp $ |
c8f4eac4 | 4 | * |
5 | * | |
6 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
7 | * ---------------------------------------------------------- | |
8 | * | |
9 | * Squid is the result of efforts by numerous individuals from | |
10 | * the Internet community; see the CONTRIBUTORS file for full | |
11 | * details. Many organizations have provided support for Squid's | |
12 | * development; see the SPONSORS file for full details. Squid is | |
13 | * Copyrighted (C) 2001 by the Regents of the University of | |
14 | * California; see the COPYRIGHT file for full details. Squid | |
15 | * incorporates software developed and/or copyrighted by other | |
16 | * sources; see the CREDITS file for full details. | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
31 | * | |
32 | */ | |
33 | ||
34 | #ifndef SQUID_STOREHASHINDEX_H | |
35 | #define SQUID_STOREHASHINDEX_H | |
36 | ||
37 | #include "Store.h" | |
38 | #include "StoreSearch.h" | |
39 | ||
40 | /* A summary store that indexs all its children | |
41 | * into a memory hash | |
42 | */ | |
43 | ||
44 | class StoreSearch; | |
45 | ||
46 | class StoreHashIndex : public Store | |
47 | { | |
48 | ||
49 | public: | |
50 | StoreHashIndex(); | |
51 | StoreHashIndex(StoreHashIndex const &); /* to cause link failures */ | |
52 | virtual ~StoreHashIndex(); | |
53 | virtual int callback(); | |
54 | virtual void create(); | |
55 | ||
56 | virtual StoreEntry * get | |
57 | (const cache_key *); | |
58 | ||
59 | virtual void get | |
30abd221 | 60 | (String const, STOREGETCLIENT, void * cbdata); |
c8f4eac4 | 61 | |
62 | virtual void init(); | |
63 | ||
64 | virtual void sync(); | |
65 | ||
66 | virtual size_t maxSize() const; | |
67 | ||
68 | virtual size_t minSize() const; | |
69 | ||
70 | virtual void stat(StoreEntry&) const; | |
71 | ||
72 | virtual void reference(StoreEntry&); | |
73 | ||
74 | virtual void dereference(StoreEntry&); | |
75 | ||
76 | virtual void maintain(); | |
77 | ||
47f6e231 | 78 | virtual void updateSize(int64_t, int); |
c8f4eac4 | 79 | |
30abd221 | 80 | virtual StoreSearch *search(String const url, HttpRequest *); |
c8f4eac4 | 81 | |
82 | private: | |
83 | /* migration logic */ | |
84 | StorePointer store(int const x) const; | |
85 | }; | |
86 | ||
87 | class StoreHashIndexEntry : public StoreEntry | |
88 | {} | |
89 | ||
90 | ; | |
91 | ||
92 | class StoreSearchHashIndex : public StoreSearch | |
93 | { | |
94 | ||
95 | public: | |
96 | StoreSearchHashIndex(RefCount<StoreHashIndex> sd); | |
97 | StoreSearchHashIndex(StoreSearchHashIndex const &); | |
98 | virtual ~StoreSearchHashIndex(); | |
99 | /* Iterator API - garh, wrong place */ | |
100 | /* callback the client when a new StoreEntry is available | |
101 | * or an error occurs | |
102 | */ | |
103 | virtual void next(void (callback)(void *cbdata), void *cbdata); | |
104 | /* return true if a new StoreEntry is immediately available */ | |
105 | virtual bool next(); | |
106 | virtual bool error() const; | |
107 | virtual bool isDone() const; | |
108 | virtual StoreEntry *currentItem(); | |
109 | ||
110 | RefCount<StoreHashIndex> sd; | |
111 | ||
112 | private: | |
113 | CBDATA_CLASS2(StoreSearchHashIndex); | |
114 | void copyBucket(); | |
115 | void (*callback)(void *cbdata); | |
116 | void *cbdata; | |
117 | bool _done; | |
118 | int bucket; | |
119 | Vector<StoreEntry *> entries; | |
120 | }; | |
121 | ||
122 | #endif /* SQUID_STOREHASHINDEX_H */ |