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aa839030 | 1 | |
2 | /* | |
aa839030 | 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 | * |
aa839030 | 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 | * |
aa839030 | 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 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
31 | */ | |
32 | ||
33 | #ifndef SQUID_REMOVALPOLICY_H | |
34 | #define SQUID_REMOVALPOLICY_H | |
35 | ||
aa839030 | 36 | #include "cbdata.h" |
37 | ||
38 | class RemovalPolicyWalker; | |
39 | class RemovalPurgeWalker; | |
40 | ||
41 | class RemovalPolicySettings | |
42 | { | |
43 | ||
44 | public: | |
45 | RemovalPolicySettings() : type(NULL), args(NULL) {}; | |
46 | ||
47 | char *type; | |
48 | wordlist *args; | |
49 | }; | |
50 | ||
51 | class RemovalPolicyNode | |
52 | { | |
53 | ||
54 | public: | |
55 | RemovalPolicyNode() : data(NULL) {} | |
56 | ||
57 | void *data; | |
58 | }; | |
59 | ||
60 | class RemovalPolicy | |
61 | { | |
26ac0430 | 62 | public: |
aa839030 | 63 | const char *_type; |
64 | void *_data; | |
65 | void (*Free) (RemovalPolicy * policy); | |
66 | void (*Add) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
67 | void (*Remove) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
68 | void (*Referenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
69 | void (*Dereferenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
70 | RemovalPolicyWalker *(*WalkInit) (RemovalPolicy * policy); | |
71 | RemovalPurgeWalker *(*PurgeInit) (RemovalPolicy * policy, int max_scan); | |
72 | void (*Stats) (RemovalPolicy * policy, StoreEntry * entry); | |
26ac0430 | 73 | private: |
aa839030 | 74 | CBDATA_CLASS2(RemovalPolicy); |
75 | }; | |
76 | ||
77 | class RemovalPolicyWalker | |
78 | { | |
26ac0430 | 79 | public: |
aa839030 | 80 | RemovalPolicy *_policy; |
81 | void *_data; | |
82 | const StoreEntry *(*Next) (RemovalPolicyWalker * walker); | |
83 | void (*Done) (RemovalPolicyWalker * walker); | |
26ac0430 | 84 | private: |
aa839030 | 85 | CBDATA_CLASS2(RemovalPolicyWalker); |
86 | }; | |
87 | ||
88 | class RemovalPurgeWalker | |
89 | { | |
26ac0430 | 90 | public: |
aa839030 | 91 | RemovalPolicy *_policy; |
92 | void *_data; | |
93 | int scanned, max_scan, locked; | |
94 | StoreEntry *(*Next) (RemovalPurgeWalker * walker); | |
95 | void (*Done) (RemovalPurgeWalker * walker); | |
26ac0430 | 96 | private: |
aa839030 | 97 | CBDATA_CLASS2(RemovalPurgeWalker); |
98 | }; | |
99 | ||
8a648e8d | 100 | RemovalPolicy *createRemovalPolicy(RemovalPolicySettings * settings); |
aa839030 | 101 | |
102 | typedef RemovalPolicy *REMOVALPOLICYCREATE(wordlist * args); | |
103 | ||
aa839030 | 104 | #endif /* SQUID_REMOVALPOLICY_H */ |