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2 | /* | |
3 | * $Id: mem_node.h,v 1.1 2003/01/23 00:37:23 robertc Exp $ | |
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_MEM_NODE_H | |
35 | #define SQUID_MEM_NODE_H | |
36 | ||
37 | #include "StoreIOBuffer.h" | |
38 | class mem_node { | |
39 | public: | |
40 | static size_t InUseCount(); | |
41 | static unsigned long store_mem_size; /* 0 */ | |
42 | ||
43 | void operator delete (void *); | |
44 | void *operator new (size_t); | |
45 | mem_node(off_t); | |
46 | ~mem_node(); | |
47 | size_t space() const; | |
48 | size_t start() const; | |
49 | size_t end() const; | |
50 | bool contains (size_t const &location) const; | |
51 | bool canAccept (size_t const &location) const; | |
52 | /* public */ | |
53 | StoreIOBuffer nodeBuffer; | |
54 | mem_node *next; | |
55 | /* Private */ | |
56 | char data[SM_PAGE_SIZE]; | |
57 | private: | |
58 | static MemPool *pool; | |
59 | }; | |
60 | ||
61 | ||
62 | #endif /* SQUID_MEM_NODE_H */ |