xref: /haiku/src/add-ons/kernel/file_systems/packagefs/nodes/UnpackingLeafNode.h (revision e81a954787e50e56a7f06f72705b7859b6ab06d1)
1 /*
2  * Copyright 2009-2013, Ingo Weinhold, ingo_weinhold@gmx.de.
3  * Distributed under the terms of the MIT License.
4  */
5 #ifndef LEAF_NODE_H
6 #define LEAF_NODE_H
7 
8 
9 #include "Node.h"
10 #include "PackageLeafNode.h"
11 #include "UnpackingNode.h"
12 
13 
14 class UnpackingLeafNode : public Node, public UnpackingNode {
15 public:
16 								UnpackingLeafNode(ino_t id);
17 	virtual						~UnpackingLeafNode();
18 
19 	virtual	status_t			VFSInit(dev_t deviceID);
20 	virtual	void				VFSUninit();
21 
22 	virtual	mode_t				Mode() const;
23 	virtual	uid_t				UserID() const;
24 	virtual	gid_t				GroupID() const;
25 	virtual	timespec			ModifiedTime() const;
26 	virtual	off_t				FileSize() const;
27 
28 	virtual	Node*				GetNode();
29 
30 	virtual	status_t			AddPackageNode(PackageNode* packageNode,
31 									dev_t deviceID);
32 	virtual	void				RemovePackageNode(PackageNode* packageNode,
33 									dev_t deviceID);
34 
35 	virtual	PackageNode*		GetPackageNode();
36 	virtual	bool				IsOnlyPackageNode(PackageNode* node) const;
37 	virtual	bool				WillBeFirstPackageNode(
38 									PackageNode* packageNode) const;
39 
40 	virtual	void				PrepareForRemoval();
41 	virtual	status_t			CloneTransferPackageNodes(ino_t id,
42 									UnpackingNode*& _newNode);
43 
44 	virtual	status_t			Read(off_t offset, void* buffer,
45 									size_t* bufferSize);
46 	virtual	status_t			Read(io_request* request);
47 
48 	virtual	status_t			ReadSymlink(void* buffer,
49 									size_t* bufferSize);
50 
51 	virtual	status_t			OpenAttributeDirectory(
52 									AttributeDirectoryCookie*& _cookie);
53 	virtual	status_t			OpenAttribute(const StringKey& name,
54 									int openMode, AttributeCookie*& _cookie);
55 
56 	virtual	status_t			IndexAttribute(AttributeIndexer* indexer);
57 	virtual	void*				IndexCookieForAttribute(const StringKey& name)
58 									const;
59 
60 private:
61 	inline	PackageLeafNode*	_ActivePackageNode() const;
62 
63 private:
64 			PackageLeafNodeList	fPackageNodes;
65 			PackageLeafNode*	fFinalPackageNode;
66 };
67 
68 
69 #endif	// LEAF_NODE_H
70