src/system/boot/loader/RootFileSystem.h

   1 /*
   2  * Copyright 2003-2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef ROOT_FILE_SYSTEM_H
   6 #define ROOT_FILE_SYSTEM_H
   7
   8
   9 #include <boot/vfs.h>
  10 #include <boot/partitions.h>
  11
  12 using namespace boot;
  13
  14
  15 class RootFileSystem : public Directory {
  16         public:
  17                 RootFileSystem();
  18                 virtual ~RootFileSystem();
  19
  20                 virtual status_t Open(void **_cookie, int mode);
  21                 virtual status_t Close(void *cookie);
  22
  23                 virtual Node* LookupDontTraverse(const char* name);
  24
  25                 virtual status_t GetNextEntry(void *cookie, char *nameBuffer, size_t bufferSize);
  26                 virtual status_t GetNextNode(void *cookie, Node **_node);
  27                 virtual status_t Rewind(void *cookie);
  28                 virtual bool IsEmpty();
  29
  30                 status_t AddVolume(Directory *volume, Partition *partition);
  31                 status_t AddLink(const char *name, Directory *target);
  32
  33                 status_t GetPartitionFor(Directory *volume, Partition **_partition);
  34
  35         private:
  36                 struct entry : public DoublyLinkedListLinkImpl<entry> {
  37                         const char      *name;
  38                         Directory       *root;
  39                         Partition       *partition;
  40                 };
  41                 typedef DoublyLinkedList<entry>::Iterator EntryIterator;
  42                 typedef DoublyLinkedList<entry> EntryList;
  43
  44                 EntryList fList;
  45                 EntryList fLinks;
  46 };
  47
  48 extern RootFileSystem *gRoot;
  49
  50 #endif  /* ROOT_FILE_SYSTEM_H */