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aa839030 | 1 | /* |
bde978a6 | 2 | * Copyright (C) 1996-2015 The Squid Software Foundation and contributors |
aa839030 | 3 | * |
bbc27441 AJ |
4 | * Squid software is distributed under GPLv2+ license and includes |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
aa839030 | 7 | */ |
8 | ||
9 | #ifndef SQUID_REMOVALPOLICY_H | |
10 | #define SQUID_REMOVALPOLICY_H | |
11 | ||
aa839030 | 12 | #include "cbdata.h" |
13 | ||
14 | class RemovalPolicyWalker; | |
15 | class RemovalPurgeWalker; | |
16 | ||
17 | class RemovalPolicySettings | |
18 | { | |
19 | ||
20 | public: | |
21 | RemovalPolicySettings() : type(NULL), args(NULL) {}; | |
22 | ||
23 | char *type; | |
24 | wordlist *args; | |
25 | }; | |
26 | ||
27 | class RemovalPolicyNode | |
28 | { | |
29 | ||
30 | public: | |
31 | RemovalPolicyNode() : data(NULL) {} | |
32 | ||
33 | void *data; | |
34 | }; | |
35 | ||
36 | class RemovalPolicy | |
37 | { | |
5c2f68b7 AJ |
38 | CBDATA_CLASS(RemovalPolicy); |
39 | ||
26ac0430 | 40 | public: |
aa839030 | 41 | const char *_type; |
42 | void *_data; | |
43 | void (*Free) (RemovalPolicy * policy); | |
44 | void (*Add) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
45 | void (*Remove) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
46 | void (*Referenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
47 | void (*Dereferenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
48 | RemovalPolicyWalker *(*WalkInit) (RemovalPolicy * policy); | |
49 | RemovalPurgeWalker *(*PurgeInit) (RemovalPolicy * policy, int max_scan); | |
50 | void (*Stats) (RemovalPolicy * policy, StoreEntry * entry); | |
aa839030 | 51 | }; |
52 | ||
53 | class RemovalPolicyWalker | |
54 | { | |
5c2f68b7 AJ |
55 | CBDATA_CLASS(RemovalPolicyWalker); |
56 | ||
26ac0430 | 57 | public: |
aa839030 | 58 | RemovalPolicy *_policy; |
59 | void *_data; | |
60 | const StoreEntry *(*Next) (RemovalPolicyWalker * walker); | |
61 | void (*Done) (RemovalPolicyWalker * walker); | |
aa839030 | 62 | }; |
63 | ||
64 | class RemovalPurgeWalker | |
65 | { | |
5c2f68b7 AJ |
66 | CBDATA_CLASS(RemovalPurgeWalker); |
67 | ||
26ac0430 | 68 | public: |
aa839030 | 69 | RemovalPolicy *_policy; |
70 | void *_data; | |
71 | int scanned, max_scan, locked; | |
72 | StoreEntry *(*Next) (RemovalPurgeWalker * walker); | |
73 | void (*Done) (RemovalPurgeWalker * walker); | |
aa839030 | 74 | }; |
75 | ||
8a648e8d | 76 | RemovalPolicy *createRemovalPolicy(RemovalPolicySettings * settings); |
aa839030 | 77 | |
78 | typedef RemovalPolicy *REMOVALPOLICYCREATE(wordlist * args); | |
79 | ||
aa839030 | 80 | #endif /* SQUID_REMOVALPOLICY_H */ |
f53969cc | 81 |