| /* |
| * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| /* |
| * The Original Code is HAT. The Initial Developer of the |
| * Original Code is Bill Foote, with contributions from others |
| * at JavaSoft/Sun. |
| */ |
| |
| package com.sun.tools.hat.internal.server; |
| |
| /** |
| * Reads a single HTTP query from a socket, and starts up a QueryHandler |
| * to server it. |
| * |
| * @author Bill Foote |
| */ |
| |
| |
| import java.net.Socket; |
| import java.net.ServerSocket; |
| import java.net.InetAddress; |
| |
| import java.io.InputStream; |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.io.BufferedWriter; |
| import java.io.PrintWriter; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.BufferedOutputStream; |
| |
| import com.sun.tools.hat.internal.model.Snapshot; |
| import com.sun.tools.hat.internal.oql.OQLEngine; |
| |
| public class HttpReader implements Runnable { |
| |
| |
| private Socket socket; |
| private PrintWriter out; |
| private Snapshot snapshot; |
| private OQLEngine engine; |
| |
| public HttpReader (Socket s, Snapshot snapshot, OQLEngine engine) { |
| this.socket = s; |
| this.snapshot = snapshot; |
| this.engine = engine; |
| } |
| |
| public void run() { |
| InputStream in = null; |
| try { |
| in = new BufferedInputStream(socket.getInputStream()); |
| out = new PrintWriter(new BufferedWriter( |
| new OutputStreamWriter( |
| socket.getOutputStream()))); |
| out.println("HTTP/1.0 200 OK"); |
| out.println("Cache-Control: no-cache"); |
| out.println("Pragma: no-cache"); |
| out.println(); |
| if (in.read() != 'G' || in.read() != 'E' |
| || in.read() != 'T' || in.read() != ' ') { |
| outputError("Protocol error"); |
| } |
| int data; |
| StringBuffer queryBuf = new StringBuffer(); |
| while ((data = in.read()) != -1 && data != ' ') { |
| char ch = (char) data; |
| queryBuf.append(ch); |
| } |
| String query = queryBuf.toString(); |
| query = java.net.URLDecoder.decode(query, "UTF-8"); |
| QueryHandler handler = null; |
| if (snapshot == null) { |
| outputError("The heap snapshot is still being read."); |
| return; |
| } else if (query.equals("/")) { |
| handler = new AllClassesQuery(true, engine != null); |
| handler.setUrlStart(""); |
| handler.setQuery(""); |
| } else if (query.startsWith("/oql/")) { |
| if (engine != null) { |
| handler = new OQLQuery(engine); |
| handler.setUrlStart(""); |
| handler.setQuery(query.substring(5)); |
| } |
| } else if (query.startsWith("/oqlhelp/")) { |
| if (engine != null) { |
| handler = new OQLHelp(); |
| handler.setUrlStart(""); |
| handler.setQuery(""); |
| } |
| } else if (query.equals("/allClassesWithPlatform/")) { |
| handler = new AllClassesQuery(false, engine != null); |
| handler.setUrlStart("../"); |
| handler.setQuery(""); |
| } else if (query.equals("/showRoots/")) { |
| handler = new AllRootsQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(""); |
| } else if (query.equals("/showInstanceCounts/includePlatform/")) { |
| handler = new InstancesCountQuery(false); |
| handler.setUrlStart("../../"); |
| handler.setQuery(""); |
| } else if (query.equals("/showInstanceCounts/")) { |
| handler = new InstancesCountQuery(true); |
| handler.setUrlStart("../"); |
| handler.setQuery(""); |
| } else if (query.startsWith("/instances/")) { |
| handler = new InstancesQuery(false); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(11)); |
| } else if (query.startsWith("/newInstances/")) { |
| handler = new InstancesQuery(false, true); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(14)); |
| } else if (query.startsWith("/allInstances/")) { |
| handler = new InstancesQuery(true); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(14)); |
| } else if (query.startsWith("/allNewInstances/")) { |
| handler = new InstancesQuery(true, true); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(17)); |
| } else if (query.startsWith("/object/")) { |
| handler = new ObjectQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(8)); |
| } else if (query.startsWith("/class/")) { |
| handler = new ClassQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(7)); |
| } else if (query.startsWith("/roots/")) { |
| handler = new RootsQuery(false); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(7)); |
| } else if (query.startsWith("/allRoots/")) { |
| handler = new RootsQuery(true); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(10)); |
| } else if (query.startsWith("/reachableFrom/")) { |
| handler = new ReachableQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(15)); |
| } else if (query.startsWith("/rootStack/")) { |
| handler = new RootStackQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(11)); |
| } else if (query.startsWith("/histo/")) { |
| handler = new HistogramQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(7)); |
| } else if (query.startsWith("/refsByType/")) { |
| handler = new RefsByTypeQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(query.substring(12)); |
| } else if (query.startsWith("/finalizerSummary/")) { |
| handler = new FinalizerSummaryQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(""); |
| } else if (query.startsWith("/finalizerObjects/")) { |
| handler = new FinalizerObjectsQuery(); |
| handler.setUrlStart("../"); |
| handler.setQuery(""); |
| } |
| |
| if (handler != null) { |
| handler.setOutput(out); |
| handler.setSnapshot(snapshot); |
| handler.run(); |
| } else { |
| outputError("Query '" + query + "' not implemented"); |
| } |
| } catch (IOException ex) { |
| ex.printStackTrace(); |
| } finally { |
| if (out != null) { |
| out.close(); |
| } |
| try { |
| if (in != null) { |
| in.close(); |
| } |
| } catch (IOException ignored) { |
| } |
| try { |
| socket.close(); |
| } catch (IOException ignored) { |
| } |
| } |
| } |
| |
| private void outputError(String msg) { |
| out.println(); |
| out.println("<html><body bgcolor=\"#ffffff\">"); |
| out.println(msg); |
| out.println("</body></html>"); |
| } |
| |
| } |