113 lines
3.8 KiB
Java
113 lines
3.8 KiB
Java
/*
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PutMessage.java
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Antti-Juhani Kaijanaho
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*/
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package org.gzigzag.ztp.server;
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import org.gzigzag.*;
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import org.gzigzag.ztp.*;
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import java.io.*;
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import java.util.*;
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class GetMessage implements Session.Message {
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public static boolean dbg = false;
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private static void p(String s) { if(dbg) ZZLogger.log("[" + s + "]"); }
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private static void pa(String s) { ZZLogger.log(s); }
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static String prefix = PutMessage.prefix;
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public String name() { return "GET"; }
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public String help() { return "Gets a subspace from the server"; }
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public int prereqs() { return Session.FL_AUTH; }
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public void invoke(Session sess, String[] args) throws IOException {
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LineBufferedIO io = sess.getIO();
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ZZSpace space = sess.space;
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if (args.length != 1) {
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io.writeln("5.0.1 Syntax: GET <subspace>");
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return;
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}
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if (!args[0].equals("ALL")) {
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io.writeln("5.4.1 No such subspace");
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return;
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}
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io.writeln("3.4.1 Proceeding with subspace data ...");
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synchronized (space) {
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// Find all relevant dimensions
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String[] dims;
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{
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Vector dimv = new Vector();
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for (ZZCell c = space.getHomeCell().s("d.masterdim", 1); c != null;
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c = c.s("d.masterdim", 1)) {
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String name = c.getText();
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if (name.length() >= prefix.length()
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&& name.substring(0, prefix.length()).equals(prefix)) {
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dimv.addElement(name.substring(prefix.length()));
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}
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}
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dims = new String[dimv.size()];
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for (int i = 0; i < dims.length; i++) {
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dims[i] = (String)dimv.elementAt(i);
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}
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}
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class Enum implements Enumeration {
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Enumeration e;
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Object cur;
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private void Cur() {
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cur = null;
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while (e.hasMoreElements()) {
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cur = e.nextElement();
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ZZCell c = (ZZCell)cur;
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p("considering " + c);
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if (c.getID().substring(0, prefix.length()).equals(prefix))
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p("OK");
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break;
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}
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}
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public Enum(Enumeration e) {
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this.e = e;
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Cur();
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}
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public boolean hasMoreElements() {
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return cur != null;
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}
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public Object nextElement() {
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Object rv = cur;
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if (rv == null) throw new NoSuchElementException();
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Cur();
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p("nextElement = " + rv);
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return rv;
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}
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};
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SubspaceDump.dump(io,
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new Enum(space.getHomeCell().s("d.ztpspace").enumRank("d.ztpspace")),
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dims, prefix);
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}
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io.writeln("2.4.1 Subspace successfully got");
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}
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}
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