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aa839030 | 1 | |
2 | /* | |
262a0e14 | 3 | * $Id$ |
aa839030 | 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. | |
26ac0430 | 22 | * |
aa839030 | 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. | |
26ac0430 | 27 | * |
aa839030 | 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 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
33 | */ | |
34 | ||
35 | #ifndef SQUID_REMOVALPOLICY_H | |
36 | #define SQUID_REMOVALPOLICY_H | |
37 | ||
f7f3304a | 38 | #include "squid-old.h" |
aa839030 | 39 | #include "cbdata.h" |
40 | ||
41 | class RemovalPolicyWalker; | |
42 | class RemovalPurgeWalker; | |
43 | ||
44 | class RemovalPolicySettings | |
45 | { | |
46 | ||
47 | public: | |
48 | RemovalPolicySettings() : type(NULL), args(NULL) {}; | |
49 | ||
50 | char *type; | |
51 | wordlist *args; | |
52 | }; | |
53 | ||
54 | class RemovalPolicyNode | |
55 | { | |
56 | ||
57 | public: | |
58 | RemovalPolicyNode() : data(NULL) {} | |
59 | ||
60 | void *data; | |
61 | }; | |
62 | ||
63 | class RemovalPolicy | |
64 | { | |
26ac0430 | 65 | public: |
aa839030 | 66 | const char *_type; |
67 | void *_data; | |
68 | void (*Free) (RemovalPolicy * policy); | |
69 | void (*Add) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
70 | void (*Remove) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
71 | void (*Referenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
72 | void (*Dereferenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
73 | RemovalPolicyWalker *(*WalkInit) (RemovalPolicy * policy); | |
74 | RemovalPurgeWalker *(*PurgeInit) (RemovalPolicy * policy, int max_scan); | |
75 | void (*Stats) (RemovalPolicy * policy, StoreEntry * entry); | |
26ac0430 | 76 | private: |
aa839030 | 77 | CBDATA_CLASS2(RemovalPolicy); |
78 | }; | |
79 | ||
80 | class RemovalPolicyWalker | |
81 | { | |
26ac0430 | 82 | public: |
aa839030 | 83 | RemovalPolicy *_policy; |
84 | void *_data; | |
85 | const StoreEntry *(*Next) (RemovalPolicyWalker * walker); | |
86 | void (*Done) (RemovalPolicyWalker * walker); | |
26ac0430 | 87 | private: |
aa839030 | 88 | CBDATA_CLASS2(RemovalPolicyWalker); |
89 | }; | |
90 | ||
91 | class RemovalPurgeWalker | |
92 | { | |
26ac0430 | 93 | public: |
aa839030 | 94 | RemovalPolicy *_policy; |
95 | void *_data; | |
96 | int scanned, max_scan, locked; | |
97 | StoreEntry *(*Next) (RemovalPurgeWalker * walker); | |
98 | void (*Done) (RemovalPurgeWalker * walker); | |
26ac0430 | 99 | private: |
aa839030 | 100 | CBDATA_CLASS2(RemovalPurgeWalker); |
101 | }; | |
102 | ||
103 | extern RemovalPolicy *createRemovalPolicy(RemovalPolicySettings * settings); | |
104 | ||
105 | typedef RemovalPolicy *REMOVALPOLICYCREATE(wordlist * args); | |
106 | ||
107 | ||
108 | #endif /* SQUID_REMOVALPOLICY_H */ |