A B C D E F G I K L M N O P R S T V W

A

address - Variable in class Directory

Each index holds the inode address of the corresponding file or directory.

B

bitmap - Variable in class FileSystem

Block - class Block.

Class Block is extended by Class Directory and Class File.

Block() - Constructor for class Block

C

c - Static variable in class Keyboard

cat(String) - Method in class FileSystem

to display contents of file to standard out

cd() - Method in class FileSystem

changes the working directory to to the home directory of current user

cd(String) - Method in class FileSystem

Changes the working directory to the specified directory passed in as parameter dir

checkPath(String) - Method in class FileSystem

chmod(String, String) - Method in class FileSystem

changes or assigns the access permissions of a file or directoy

command() - Method in class FileSystem

Lists the commands implemented

CommandLine - class CommandLine.

This class can be used by any object (that implements CommandLineable) to be manipulated by a command line interface.

CommandLine.PromptThread - class CommandLine.PromptThread.

CommandLine.PromptThread(CommandLine) - Constructor for class CommandLine.PromptThread

CommandLine(CommandLineable) - Constructor for class CommandLine

Create a new CommandLine for the client.

CommandLineable - interface CommandLineable.

Any object that wishes to use a CommandLine must implement this interface.

currentDir - Variable in class FileSystem

currentUser - Variable in class FileSystem

D

d - Static variable in class Keyboard

data - Variable in class File

dataBlock - Variable in class FileSystem

Directory - class Directory.

Class Directoy simulates a directory block which contains names and addresses of four directories or files authors: Todd Wilson and Reza Khorrami

Directory() - Constructor for class Directory

doCommand(String, String[]) - Method in interface CommandLineable

Do the command as sent by the CommandLine.

doCommand(String, String[]) - Method in class FileSystem

receives the command from CommandLine and then interprets which FileSystem method (command) to call.

dump() - Method in class FileSystem

dumps bitmap allocation from the bitmap array and inode details from the InodeList array and Block details on the screen

dump(String) - Method in class FileSystem

dumps bitmap allocation from the bitmap array and inode details from the InodeList array and Block details into a file passed in by filename

E

end - Variable in class Inode

F

File - class File.

Class File simulates a file block on disk which holds 15 characters as the data.

File() - Constructor for class File

FileSystem - class FileSystem.

////////////////////////////////////////////////////////////////////////////////
File: FileSystem.java
Java Class: FileSystem
///////////////////////////////////////////////////////////////////////////////
CSCI 152 Operating Systems Programming
Final Project
authors: Todd Wilson and Reza Khorrami
version 1.0
Last Modified: 5/10/2000
//////////////////////////////////////////////////////////////////////////////

FileSystem is our primary class in our file managment system simulation.

FileSystem() - Constructor for class FileSystem

G

getCurrentDir() - Method in class FileSystem

returns the inode address of CurrentDir

getCurrentUser() - Method in class FileSystem

returns the inode address of CurrentUser

getNextfreeBlock() - Method in class FileSystem

getNextfreeBlock search bitmap array for first entry = 0 return index representing free block if no free block return -1

getNextfreeInode() - Method in class FileSystem

getNextfreeInode Search inodeList array for the first free inode which == null return index for free inode return -1 if no free inodes found

getPromptString() - Method in class CommandLine

Get the prompt displayed at the command line.

I

i - Static variable in class Keyboard

Inode - class Inode.

Class Inode contains information on a directory or file block

Inode() - Constructor for class Inode

inodeList - Variable in class FileSystem

input - Static variable in class Keyboard

iseof - Static variable in class Keyboard

K

Keyboard - class Keyboard.

Keyboard() - Constructor for class Keyboard

L

length - Variable in class Inode

links - Variable in class Inode

ln(String, String) - Method in class FileSystem

creates a link from the existing file passed in to a new file refered to in newFile

login(String) - Method in class FileSystem

First Check to see if a user is already logged on Then Find out the name of the user logged on Assign current_ptr to current Directory

logout() - Method in class FileSystem

setting CurrentDir and CurrentUser to -1 to logout logs current user out of the file system

ls() - Method in class FileSystem

lists the names of files and directories in the current directory

ls(String) - Method in class FileSystem

lists the names of files and directories in the directory dir

M

m_client - Variable in class CommandLine

The client who is receiving the command from this command line.

m_in - Variable in class CommandLine

The input stream from which to get commands.

m_out - Variable in class CommandLine

The output stream to which to send messages and prompts.

m_prompt - Variable in class CommandLine

The prompt to be displayed at the command line.

main(String[]) - Static method in class FileSystem

Creates new instance of the Class FileSystem set prompt to $> and call start function

mkdir(String) - Method in class FileSystem

Creates named directory that is passed in, default mode is set standard entries ".", ".." are set.

more() - Method in class FileSystem

dumps bitmap allocation from the bitmap array and inode details from the InodeList array and Block details on to the screen 30 lines at a time user must press return to continue

mv(String, String) - Method in class FileSystem

moves the file or directory named by exisitng parameter to the destination specified by newPath.

N

name - Variable in class Directory

Contains the names of the files or directories.

newParse(String) - Method in class FileSystem

O

owner - Variable in class Inode

Owner of file or directory

P

path(String) - Method in class FileSystem

permission - Variable in class Inode

File or Directory permissions.
0: no read,no write
1: no read, write
2: read,no write
3: read and write

prompt(String) - Method in class CommandLine

The message will be sent to the current output stream.

promptString - Variable in class CommandLine

pwd() - Method in class FileSystem

Prints the absolute path to the current directory

R

readChar() - Static method in class Keyboard

readDouble() - Static method in class Keyboard

readInt() - Static method in class Keyboard

readString() - Static method in class Keyboard

rm(String) - Method in class FileSystem

removes file entry specified by file arguement user must have write permission to remove the file

rmdir(String) - Method in class FileSystem

removes the directory entry specified by path String which must refer to an empty directory

run() - Method in class CommandLine.PromptThread

S

s - Static variable in class Keyboard

setCurrentDir(int) - Method in class FileSystem

setting current directory for private variable CureentDir

setCurrentUser(int) - Method in class FileSystem

setting current user for private variable CurrentUser

setInputStream(InputStream) - Method in class CommandLine

Set the input stream.

setOutputStream(OutputStream) - Method in class CommandLine

Set the output stream.

setPromptString(String) - Method in class CommandLine

Set the prompt to be displayed at the command line.

start - Variable in class Inode

start() - Method in class CommandLine

T

type - Variable in class Inode

File - 0 or Directory - 1

V

v - Variable in class Inode

vi(String, String) - Method in class FileSystem

writes text passed in by text to a file passed in by parameter file

W

whoami() - Method in class FileSystem

prints out the login name of the current user and their inode address.

A B C D E F G I K L M N O P R S T V W