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aa839030 | 1 | /* |
f70aedc4 | 2 | * Copyright (C) 1996-2021 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; | |
541b581e | 16 | class wordlist; |
e1ba42a4 | 17 | class StoreEntry; |
aa839030 | 18 | |
19 | class RemovalPolicySettings | |
20 | { | |
21 | ||
22 | public: | |
23 | RemovalPolicySettings() : type(NULL), args(NULL) {}; | |
24 | ||
25 | char *type; | |
26 | wordlist *args; | |
27 | }; | |
28 | ||
29 | class RemovalPolicyNode | |
30 | { | |
31 | ||
32 | public: | |
33 | RemovalPolicyNode() : data(NULL) {} | |
34 | ||
35 | void *data; | |
36 | }; | |
37 | ||
38 | class RemovalPolicy | |
39 | { | |
5c2f68b7 AJ |
40 | CBDATA_CLASS(RemovalPolicy); |
41 | ||
26ac0430 | 42 | public: |
aa839030 | 43 | const char *_type; |
44 | void *_data; | |
45 | void (*Free) (RemovalPolicy * policy); | |
46 | void (*Add) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
47 | void (*Remove) (RemovalPolicy * policy, StoreEntry * entry, RemovalPolicyNode * node); | |
48 | void (*Referenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
49 | void (*Dereferenced) (RemovalPolicy * policy, const StoreEntry * entry, RemovalPolicyNode * node); | |
50 | RemovalPolicyWalker *(*WalkInit) (RemovalPolicy * policy); | |
51 | RemovalPurgeWalker *(*PurgeInit) (RemovalPolicy * policy, int max_scan); | |
52 | void (*Stats) (RemovalPolicy * policy, StoreEntry * entry); | |
aa839030 | 53 | }; |
54 | ||
55 | class RemovalPolicyWalker | |
56 | { | |
5c2f68b7 AJ |
57 | CBDATA_CLASS(RemovalPolicyWalker); |
58 | ||
26ac0430 | 59 | public: |
aa839030 | 60 | RemovalPolicy *_policy; |
61 | void *_data; | |
62 | const StoreEntry *(*Next) (RemovalPolicyWalker * walker); | |
63 | void (*Done) (RemovalPolicyWalker * walker); | |
aa839030 | 64 | }; |
65 | ||
66 | class RemovalPurgeWalker | |
67 | { | |
5c2f68b7 AJ |
68 | CBDATA_CLASS(RemovalPurgeWalker); |
69 | ||
26ac0430 | 70 | public: |
aa839030 | 71 | RemovalPolicy *_policy; |
72 | void *_data; | |
73 | int scanned, max_scan, locked; | |
74 | StoreEntry *(*Next) (RemovalPurgeWalker * walker); | |
75 | void (*Done) (RemovalPurgeWalker * walker); | |
aa839030 | 76 | }; |
77 | ||
8a648e8d | 78 | RemovalPolicy *createRemovalPolicy(RemovalPolicySettings * settings); |
aa839030 | 79 | |
80 | typedef RemovalPolicy *REMOVALPOLICYCREATE(wordlist * args); | |
81 | ||
aa839030 | 82 | #endif /* SQUID_REMOVALPOLICY_H */ |
f53969cc | 83 |