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#ifndef DEF_FILENODE_CLASS_H
#define DEF_FILENODE_CLASS_H
#include <VFS/FSNode.proto.h>
class FileNode : public FSNode {
friend class File;
protected:
u32int m_readers, m_writers;
FileNode(String name, FileSystem* fs, FSNode* parent, u32int length = 0, u32int permissions = 0777,
u32int uid = 0, u32int gid = 0): FSNode(name, fs, parent, length, permissions, uid, gid),
m_readers(0), m_writers(0) {}
public:
virtual ~FileNode() {}
u8int type() { return NT_FILE; }
bool removable() { return true; }
bool used() { return (m_readers != 0 or m_writers != 0); }
bool writable() { return m_fs->isWritable(); }
u32int read(u64int position, u32int max_length, u8int *data) {
return m_fs->read(this, position, max_length, data);
}
bool write(u64int position, u32int length, u8int *data) {
return m_fs->write(this, position, length, data);
}
bool truncate() {
return m_fs->truncate(this);
}
};
#endif
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