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git.ipfire.org Git - thirdparty/squid.git/blob - src/RemovalPolicy.h
3 * $Id: RemovalPolicy.h,v 1.1 2006/08/21 00:50:41 robertc Exp $
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18 * This program is free software; you can redistribute it and/or modify
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
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32 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
35 #ifndef SQUID_REMOVALPOLICY_H
36 #define SQUID_REMOVALPOLICY_H
41 class RemovalPolicyWalker
;
42 class RemovalPurgeWalker
;
44 class RemovalPolicySettings
48 RemovalPolicySettings() : type(NULL
), args(NULL
) {};
54 class RemovalPolicyNode
58 RemovalPolicyNode() : data(NULL
) {}
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
);
77 CBDATA_CLASS2(RemovalPolicy
);
80 class RemovalPolicyWalker
83 RemovalPolicy
*_policy
;
85 const StoreEntry
*(*Next
) (RemovalPolicyWalker
* walker
);
86 void (*Done
) (RemovalPolicyWalker
* walker
);
88 CBDATA_CLASS2(RemovalPolicyWalker
);
91 class RemovalPurgeWalker
94 RemovalPolicy
*_policy
;
96 int scanned
, max_scan
, locked
;
97 StoreEntry
*(*Next
) (RemovalPurgeWalker
* walker
);
98 void (*Done
) (RemovalPurgeWalker
* walker
);
100 CBDATA_CLASS2(RemovalPurgeWalker
);
103 extern RemovalPolicy
*createRemovalPolicy(RemovalPolicySettings
* settings
);
105 typedef RemovalPolicy
*REMOVALPOLICYCREATE(wordlist
* args
);
108 #endif /* SQUID_REMOVALPOLICY_H */