201 lines
6.5 KiB
Java
201 lines
6.5 KiB
Java
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/*
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* Copyright (c) 2009, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: CoffeeManager.java,v 1.1 2009/08/04 10:36:53 nvt-se Exp $
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*
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* @author Nicolas Tsiftes
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*
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*/
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package se.sics.coffee;
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import java.io.IOException;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class CoffeeManager {
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private static CoffeeFS coffeeFS;
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private static final int COMMAND_NULL = 0;
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private static final int COMMAND_INSERT = 1;
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private static final int COMMAND_EXTRACT = 2;
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private static final int COMMAND_REMOVE = 3;
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private static final int COMMAND_LIST = 4;
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private static final int COMMAND_STATS = 5;
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public static void main(String args[]) {
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String platform = "sky";
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String usage = "Usage: java -jar coffee.jar ";
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int command = COMMAND_NULL;
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String coffeeFile = "";
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String localFile = "";
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String fsImage = "";
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usage += "[-i|e <Coffee file> <file>] ";
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usage += "[-r <Coffee file>] ";
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usage += "[-l|s] ";
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usage += "<file system image>";
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if(args.length < 1) {
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System.err.println(usage);
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System.exit(1);
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}
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if(args.length > 1) {
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Pattern validArg = Pattern.compile("-(i|e|r|l|s)");
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Matcher m = validArg.matcher(args[0]);
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if(!m.matches()) {
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System.err.println(usage);
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System.exit(1);
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}
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if(args[0].equals("-i") || args[0].equals("-e")) {
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if(args.length != 4) {
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System.err.println(usage);
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System.exit(1);
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}
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if(args[0].equals("-i")) {
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command = COMMAND_INSERT;
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} else {
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command = COMMAND_EXTRACT;
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}
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coffeeFile = args[1];
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localFile = args[2];
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fsImage = args[3];
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} else if (args[0].equals("-r")) {
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if(args.length != 3) {
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System.err.println(usage);
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System.exit(1);
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}
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command = COMMAND_REMOVE;
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coffeeFile = args[1];
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fsImage = args[2];
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} else {
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if(args.length != 2) {
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System.err.println(usage);
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System.exit(1);
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}
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if(args[0].equals("-l")) {
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command = COMMAND_LIST;
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} else {
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command = COMMAND_STATS;
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}
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fsImage = args[1];
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}
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}
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try {
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CoffeeConfiguration conf = new CoffeeConfiguration(platform + ".properties");
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coffeeFS = new CoffeeFS(new CoffeeImageFile(fsImage, conf));
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switch (command) {
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case COMMAND_INSERT:
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if(coffeeFS.getFiles().get(localFile) != null) {
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System.err.println("error: file \"" + localFile + "\" already exists");
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break;
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}
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if(coffeeFS.insertFile(localFile) != null) {
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System.out.println("Inserted the local file \"" + localFile + "\" into the file system image");
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}
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break;
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case COMMAND_EXTRACT:
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if(coffeeFS.extractFile(coffeeFile, localFile) == false) {
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System.err.println("Inexistent file: " + coffeeFile);
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System.exit(1);
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}
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System.out.println("Saved the file \"" + coffeeFile + "\" from the system image into the local file \"" + localFile + "\"");
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break;
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case COMMAND_REMOVE:
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coffeeFS.removeFile(coffeeFile);
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System.out.println("Removed the file \"" + coffeeFile + "\" from the Coffee file system image");
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break;
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case COMMAND_LIST:
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printFiles(coffeeFS.getFiles());
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break;
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case COMMAND_STATS:
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printStatistics(coffeeFS);
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break;
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default:
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System.err.println("Unknown command!");
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System.exit(1);
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}
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} catch (IOException e) {
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System.err.println(e.getMessage());
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}
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}
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private static void printStatistics(CoffeeFS coffeeFS) {
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int bytesWritten = 0;
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int bytesReserved = 0;
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int fileCount = 0;
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CoffeeConfiguration conf = coffeeFS.getConfiguration();
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try {
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Iterator<Map.Entry<String, CoffeeFile>> iterator =
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coffeeFS.getFiles().entrySet().iterator();
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while (iterator.hasNext()) {
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Map.Entry<String, CoffeeFile> pair = (Map.Entry<String, CoffeeFile>) iterator.next();
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String key = pair.getKey();
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CoffeeFile file = pair.getValue();
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bytesWritten += file.getLength();
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bytesReserved += file.getHeader().getReservedSize();
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fileCount++;
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}
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bytesReserved *= conf.pageSize;
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System.out.println("File system size: " +
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conf.fsSize / 1024 + "kb");
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System.out.println("Allocated files: " + fileCount);
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System.out.println("Reserved bytes: " + bytesReserved + " (" +
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(100 * ((float) bytesReserved / conf.fsSize)) +
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"%)");
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System.out.println("Written bytes: " + bytesWritten +
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" (" +
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(100 * ((float) bytesWritten / conf.fsSize)) +
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"%)");
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} catch (IOException e) {
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System.err.println("failed to determine the file length");
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}
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}
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private static void printFiles(Map<String, CoffeeFile> files) {
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try {
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Iterator<Map.Entry<String, CoffeeFile>> iterator = files.entrySet().iterator();
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while (iterator.hasNext()) {
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Map.Entry<String, CoffeeFile> pair = (Map.Entry<String, CoffeeFile>) iterator.next();
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String key = pair.getKey();
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CoffeeFile file = pair.getValue();
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System.out.println(file.getName() + " " + file.getLength());
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}
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} catch (IOException e) {
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System.err.println("failed to determine the file length");
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}
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}
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}
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