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git.ipfire.org Git - thirdparty/squid.git/blob - src/acl/Tree.h
28518f2f277d594b3a2da45e29e5807d57cec781
2 * Copyright (C) 1996-2016 The Squid Software Foundation and contributors
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.
9 #ifndef SQUID_ACL_TREE_H
10 #define SQUID_ACL_TREE_H
12 #include "acl/BoolOps.h"
13 #include "sbuf/SBufList.h"
18 /// An ORed set of rules at the top of the ACL expression tree, providing two
19 /// unique properties: cbdata protection and optional rule actions.
20 class Tree
: public OrNode
22 // XXX: We should use refcounting instead, but it requires making ACLs
23 // refcounted as well. Otherwise, async lookups will reach deleted ACLs.
27 /// dumps <name, action, rule, new line> tuples
28 /// action.kind is mapped to a string using the supplied conversion table
29 typedef const char **ActionToString
;
30 SBufList
treeDump(const char *name
, const ActionToString
&convert
) const;
32 /// Returns the corresponding action after a successful tree match.
33 allow_t
winningAction() const;
35 /// what action to use if no nodes matched
36 allow_t
lastAction() const;
38 /// appends and takes control over the rule with a given action
39 void add(ACL
*rule
, const allow_t
&action
);
40 void add(ACL
*rule
); ///< same as InnerNode::add()
44 virtual bool bannedAction(ACLChecklist
*, Nodes::const_iterator
) const override
;
45 allow_t
actionAt(const Nodes::size_type pos
) const;
47 /// if not empty, contains actions corresponding to InnerNode::nodes
48 typedef std::vector
<allow_t
> Actions
;
54 #endif /* SQUID_ACL_TREE_H */