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1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
4 */ | 4 */ |
5 | 5 |
6 #ifndef LIBRARIES_NACL_MOUNTS_MOUNT_NODE_DIR_H_ | 6 #ifndef LIBRARIES_NACL_MOUNTS_MOUNT_NODE_DIR_H_ |
7 #define LIBRARIES_NACL_MOUNTS_MOUNT_NODE_DIR_H_ | 7 #define LIBRARIES_NACL_MOUNTS_MOUNT_NODE_DIR_H_ |
8 | 8 |
9 #include <dirent.h> | 9 #include <dirent.h> |
10 | 10 |
11 #include <map> | 11 #include <map> |
12 #include <string> | 12 #include <string> |
13 #include <vector> | 13 #include <vector> |
14 | 14 |
15 #include "mount_node.h" | 15 #include "nacl_mounts/mount_node.h" |
16 | 16 |
17 | 17 |
18 class MountNodeDir : public MountNode { | 18 class MountNodeDir : public MountNode { |
19 protected: | 19 protected: |
20 MountNodeDir(Mount *mount, int ino, int dev); | 20 MountNodeDir(Mount *mount, int ino, int dev); |
21 virtual ~MountNodeDir(); | 21 virtual ~MountNodeDir(); |
22 virtual bool Init(int mode, short uid, short gid); | 22 virtual bool Init(int mode, short uid, short gid); |
23 | 23 |
24 public: | 24 public: |
25 typedef std::map<std::string, MountNode*> MountNodeMap_t; | 25 typedef std::map<std::string, MountNode*> MountNodeMap_t; |
26 | 26 |
27 virtual int GetDents(size_t offs, struct dirent* pdir, size_t count); | 27 virtual int GetDents(size_t offs, struct dirent* pdir, size_t count); |
28 virtual int Read(size_t offs, void *buf, size_t count); | 28 virtual int Read(size_t offs, void *buf, size_t count); |
29 virtual int Truncate(size_t size); | 29 virtual int Truncate(size_t size); |
30 virtual int Write(size_t offs, void *buf, size_t count); | 30 virtual int Write(size_t offs, void *buf, size_t count); |
31 | 31 |
32 // Adds a finds or adds a directory entry as an INO, updating the refcount | 32 // Adds a finds or adds a directory entry as an INO, updating the refcount |
33 virtual int AddChild(const std::string& name, MountNode *node); | 33 virtual int AddChild(const std::string& name, MountNode *node); |
34 virtual int RemoveChild(const std::string& name); | 34 virtual int RemoveChild(const std::string& name); |
35 virtual MountNode* FindChild(const std::string& name); | 35 virtual MountNode* FindChild(const std::string& name); |
| 36 virtual int ChildCount(); |
36 | 37 |
37 | 38 |
38 protected: | 39 protected: |
39 void ClearCache(); | 40 void ClearCache(); |
40 void BuildCache(); | 41 void BuildCache(); |
41 | 42 |
42 private: | 43 private: |
43 struct dirent* cache_; | 44 struct dirent* cache_; |
44 MountNodeMap_t map_; | 45 MountNodeMap_t map_; |
45 friend class Mount; | 46 |
| 47 friend class MountMem; |
46 }; | 48 }; |
47 | 49 |
48 #endif // LIBRARIES_NACL_MOUNTS_MOUNT_NODE_DIR_H_ | 50 #endif // LIBRARIES_NACL_MOUNTS_MOUNT_NODE_DIR_H_ |
49 | 51 |
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