[13592] | 1 | /**
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| 2 | *############################################################################
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| 3 | * A component of the Greenstone Librarian Interface, part of the Greenstone
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| 4 | * digital library suite from the New Zealand Digital Library Project at the
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| 5 | * University of Waikato, New Zealand.
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| 6 | *
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| 7 | * Author: Michael Dewsnip, NZDL Project, University of Waikato, NZ
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| 8 | *
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| 9 | * Copyright (C) 2004 New Zealand Digital Library Project
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, write to the Free Software
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | *############################################################################
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| 25 | */
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| 26 |
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| 27 | package org.greenstone.gatherer.greenstone;
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| 28 |
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| 29 |
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| 30 | import java.io.*;
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| 31 | import java.lang.*;
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| 32 | import java.net.*;
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[13792] | 33 | import java.util.*;
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[13592] | 34 | import javax.swing.*;
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| 35 | import org.greenstone.gatherer.Configuration;
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| 36 | import org.greenstone.gatherer.DebugStream;
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| 37 | import org.greenstone.gatherer.Dictionary;
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| 38 | import org.greenstone.gatherer.Gatherer;
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[18987] | 39 | import org.greenstone.gatherer.util.PortFinder;
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| 40 | import org.greenstone.gatherer.util.Utility;
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[13592] | 41 |
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| 42 |
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| 43 | public class LocalLibraryServer
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| 44 | {
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[19484] | 45 | static final private int WAITING_TIME = 20; // number of seconds to wait for the server to start and stop
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[19243] | 46 |
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[13592] | 47 | static final private String ADD_COMMAND = "?a=config&cmd=add-collection&c=";
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| 48 | static final private String RELEASE_COMMAND = "?a=config&cmd=release-collection&c=";
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| 49 | static final private String QUIT_COMMAND = "?a=config&cmd=kill";
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| 50 |
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[18650] | 51 | static private LLSSiteConfig llssite_cfg_file = null;
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[13592] | 52 | static private File local_library_server_file = null;
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| 53 |
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| 54 | static private boolean running = false;
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[18987] | 55 | static private String ID = "greenstone-server"; // a sort of process ID
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[13592] | 56 |
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[18987] | 57 | // Need to use sockets to tell the server program to terminate when on Linux
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| 58 | // The socket port number that we will use to communicate the termination
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| 59 | static private int port;
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| 60 |
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| 61 | // The server is persistent if it does not have to reload all the values
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| 62 | // over and over again each time. Tomcat is persistent and fastcgi is too,
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| 63 | // but the Apache webserver is not persistent by default.
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| 64 | // Change the initialisation of this value depending on whether fastcgi is
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| 65 | // on. At the moment, this does not apply to the Linux' local library server.
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| 66 | static private boolean isPersistentServer = Utility.isWindows();
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| 67 |
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[13592] | 68 | static public void addCollection(String collection_name)
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| 69 | {
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[18987] | 70 | if (isPersistentServer) {
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| 71 | config(ADD_COMMAND + collection_name);
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| 72 | }
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[13592] | 73 | }
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| 74 |
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| 75 |
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| 76 | // Used to send messages to the local library
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| 77 | static private void config(String command)
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| 78 | {
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[18987] | 79 | if (!isPersistentServer) {
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| 80 | return;
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| 81 | }
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[13592] | 82 | if (Configuration.library_url == null) {
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| 83 | System.err.println("Error: Trying to configure local library with null Configuration.library_url!");
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| 84 | return;
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| 85 | }
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| 86 |
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| 87 | try {
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| 88 | URL url = new URL(Configuration.library_url.toString() + command);
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| 89 | HttpURLConnection library_connection = (HttpURLConnection) url.openConnection();
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[13779] | 90 |
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| 91 | // It's very important that we read the output of the command
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| 92 | // This ensures that the command has actually finished
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| 93 | // (The response code is returned immediately)
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| 94 | InputStream library_is = library_connection.getInputStream();
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| 95 | BufferedReader library_in = new BufferedReader(new InputStreamReader(library_is, "UTF-8"));
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| 96 | String library_output_line = library_in.readLine();
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| 97 | while (library_output_line != null) {
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| 98 | DebugStream.println("Local library server output: " + library_output_line);
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| 99 | library_output_line = library_in.readLine();
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| 100 | }
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| 101 | library_in.close();
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| 102 |
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[13592] | 103 | int response_code = library_connection.getResponseCode();
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| 104 | if (response_code >= HttpURLConnection.HTTP_OK && response_code < HttpURLConnection.HTTP_MULT_CHOICE) {
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| 105 | DebugStream.println("200 - Complete.");
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| 106 | }
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| 107 | else {
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| 108 | DebugStream.println("404 - Failed.");
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| 109 | }
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| 110 | }
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[13779] | 111 | catch (Exception exception) {
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| 112 | DebugStream.printStackTrace(exception);
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[13592] | 113 | }
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| 114 | }
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| 115 |
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[18987] | 116 | // Used to send messages to the local server on Linux
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| 117 | static private boolean sendMessageToServer(String message) {
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| 118 | if(Utility.isWindows()) {
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| 119 | return false;
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| 120 | }
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| 121 |
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| 122 | if(port == -1) {
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| 123 | return false;
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| 124 | }
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| 125 |
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| 126 | try {
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| 127 | Socket clientSocket = new Socket("localhost", port);
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| 128 | Writer writer = new BufferedWriter(new OutputStreamWriter(clientSocket.getOutputStream()));
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| 129 | writer.write(message);
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| 130 | writer.close();
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| 131 | writer = null;
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| 132 | } catch (Exception e) {
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| 133 | System.err.println("An exception occurred when trying to send the message: " + message
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| 134 | + "\nto the LocalLibraryServer.\n" + e);
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| 135 | return false;
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| 136 | }
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| 137 | return true;
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| 138 | }
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[13592] | 139 |
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| 140 | static public boolean isRunning()
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| 141 | {
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[19544] | 142 | if (!running) return false; // if the url is pending, then running would also be false (server not started up yet)
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| 143 |
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[18987] | 144 | llssite_cfg_file.load(true);
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[19544] | 145 | String url = llssite_cfg_file.getURL();
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| 146 | if (url == null) return false;
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| 147 |
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| 148 | // Called by Gatherer to check whether we need to stop the server.
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| 149 | // if the url is pending, then the GSI hasn't started the server up yet
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| 150 | // Already covered in !running
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| 151 | //if (url.equals(LLSSiteConfig.URL_PENDING)) return false;
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| 152 |
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[13592] | 153 | return true;
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| 154 | }
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| 155 |
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[13779] | 156 |
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[13592] | 157 | static public void releaseCollection(String collection_name)
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| 158 | {
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[18987] | 159 | if (isPersistentServer) {
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| 160 | config(RELEASE_COMMAND + collection_name);
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| 161 | }
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[13592] | 162 | }
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| 163 |
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| 164 | static public void start(String gsdl_path, String local_library_server_file_path)
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| 165 | {
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[18987] | 166 | // Check the local library server file (server.exe or gs2-server.sh) exists
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[13592] | 167 | local_library_server_file = new File(local_library_server_file_path);
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[18987] | 168 |
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[13592] | 169 | if (!local_library_server_file.exists()) {
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| 170 | DebugStream.println("No local library at given file path.");
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[18987] | 171 |
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| 172 | String defaultServerFilename = Utility.isWindows() ? "server.exe" : "gs2-server.sh";
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| 173 | local_library_server_file = new File(gsdl_path + defaultServerFilename);
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[13592] | 174 | if (!local_library_server_file.exists()) {
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| 175 | DebugStream.println("No local library at all.");
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| 176 | return;
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| 177 | }
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[19194] | 178 | }
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| 179 |
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| 180 | // In the case of the Local Library Server on Linux, we need to do an extra test:
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| 181 | // If GS2 was not configured with --enable-apache-httpd, then there is no apache webserver folder,
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| 182 | // even though the gs2-server.sh file would still be there. That means if the folder is absent
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| 183 | // we still have no local library server.
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| 184 | if(!Utility.isWindows()) {
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| 185 | File localLinuxServerFolder = new File(gsdl_path, "apache-httpd");
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| 186 | if (!localLinuxServerFolder.exists() && !localLinuxServerFolder.isDirectory()) {
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| 187 | DebugStream.println("The web server does not exist at "
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| 188 | + localLinuxServerFolder.getAbsolutePath() + "\nNo local library at all. Trying web library");
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| 189 | return;
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| 190 | }
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[13592] | 191 | }
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[19194] | 192 |
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[18987] | 193 | llssite_cfg_file = new LLSSiteConfig(local_library_server_file);
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[19544] | 194 |
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| 195 | // If the user launched the GSI independent of GLI, but user has not pressed
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| 196 | // Enter Library yet, then we will obtain the previewURL later.
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| 197 | if(LocalLibraryServer.isURLPending()) {
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| 198 | // running is still false when the URL is pending because only GSI is running, not the server
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| 199 | return;
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| 200 | } else if(llssite_cfg_file.isIndependentGSI()) {
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| 201 | // there is a url, it's not pending, and it is llssite.cfg: meaning GSI has started up
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| 202 | return;
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| 203 | }
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| 204 |
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[18987] | 205 | // Spawn local library server process
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| 206 | String local_library_server_command = local_library_server_file.getAbsolutePath() + getExtraLaunchArguments(llssite_cfg_file);
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[13592] | 207 |
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| 208 | // Check if the server is already running
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[18650] | 209 | String url = llssite_cfg_file.getURL();
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[13592] | 210 | if (url != null) {
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| 211 | // If it is already running then set the Greenstone web server address and we're done
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[18987] | 212 | // E.g. if previously GLI was not properly shut down, the URL property (signifying
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| 213 | // the server is still running) would still be in the glisite_cfg file.
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[13592] | 214 | try {
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| 215 | Configuration.library_url = new URL(url);
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| 216 | running = true;
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[18987] | 217 |
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[19004] | 218 | // Run the server interface
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| 219 | Gatherer.spawnApplication(local_library_server_command, ID);
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[13592] | 220 | return;
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| 221 | }
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| 222 | catch (MalformedURLException exception) {
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| 223 | DebugStream.printStackTrace(exception);
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| 224 | }
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[18987] | 225 | }
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[13592] | 226 |
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| 227 | // Configure the server for immediate entry
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[18650] | 228 | //llssite_cfg_file.set();
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[13592] | 229 |
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| 230 | // Spawn local library server process
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[18987] | 231 | Gatherer.spawnApplication(local_library_server_command, ID);
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| 232 |
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| 233 | // Wait until program has started
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[19003] | 234 | try {
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[19544] | 235 | testServerRunning(); // will set running = true when the server is up and running successfully
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[19003] | 236 | } catch (IOException bad_url_connection) {
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| 237 | try {
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| 238 | // If this fails then we try changing the url to be localhost
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| 239 | Configuration.library_url = new URL(llssite_cfg_file.getLocalHostURL());
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| 240 | DebugStream.println("Try connecting to server on local host: '" + Configuration.library_url + "'");
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| 241 | URLConnection connection = Configuration.library_url.openConnection();
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| 242 | connection.getContent();
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| 243 | running = true;
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| 244 |
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| 245 | } catch (IOException worse_url_connection) {
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| 246 | DebugStream.println("Can't connect to server on either address.");
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| 247 | Configuration.library_url = null;
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| 248 | running = false;
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| 249 | }
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| 250 | }
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[18987] | 251 | }
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[13592] | 252 |
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[18987] | 253 |
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| 254 | static public void stop()
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| 255 | {
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[19544] | 256 | if (!running) {
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| 257 | // also the case if the URL is pending in an independently launched GSI
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[18987] | 258 | return;
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| 259 | }
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| 260 |
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[19544] | 261 | // don't (can't) shutdown the GSI/server if it was launched independent of GLI
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| 262 | if(llssite_cfg_file.isIndependentGSI()) {
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| 263 | return;
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| 264 | }
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| 265 |
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[18987] | 266 | // Send the command for it to exit.
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| 267 | if (isPersistentServer) {
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| 268 | config(QUIT_COMMAND);
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| 269 | } else {
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| 270 | if(sendMessageToServer("QUIT")) {
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| 271 | Gatherer.terminateApplication(ID);
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| 272 | } else {
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| 273 | System.err.println("Unable to stop the server, since there's no communication port to send the quit msg over."
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| 274 | + "\nPlease stop the local Greenstone server manually.");
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| 275 | }
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| 276 | }
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| 277 |
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| 278 | // Wait until program has stopped, by reloading and checking the URL field
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| 279 | llssite_cfg_file.load(false);
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| 280 | int attempt_count = 0;
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[19544] | 281 | String url = llssite_cfg_file.getURL();
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| 282 | while (url != null && !url.equals(LLSSiteConfig.URL_PENDING)) { // if pending, the server is already stopped (not running)
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[18987] | 283 | new OneSecondWait(); // Wait one second (give or take)
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| 284 | llssite_cfg_file.load(false);
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| 285 | attempt_count++;
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| 286 |
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[19243] | 287 | // After waiting for the specified time, ask the user whether they want to wait for that long again
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| 288 | if (attempt_count == WAITING_TIME) {
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| 289 | int try_again = JOptionPane.showConfirmDialog(Gatherer.g_man, Dictionary.get("Server.QuitTimeOut", Integer.toString(WAITING_TIME)),
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| 290 | Dictionary.get("General.Warning"), JOptionPane.YES_NO_OPTION);
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[18987] | 291 | if (try_again == JOptionPane.NO_OPTION) {
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| 292 | return;
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| 293 | }
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| 294 | attempt_count = 0;
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| 295 | }
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[19544] | 296 | // read the url again to see if it's updated
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| 297 | url = llssite_cfg_file.getURL();
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[18987] | 298 | }
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| 299 |
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| 300 | // Restore the llssite_cfg.
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| 301 | llssite_cfg_file.restore();
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| 302 |
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| 303 | // If the local server is still running then our changed values will get overwritten.
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[19544] | 304 | url = llssite_cfg_file.getURL();
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| 305 | if (url != null && !url.equals(LLSSiteConfig.URL_PENDING)) {
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[18987] | 306 | JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("Server.QuitManual"), Dictionary.get("General.Error"), JOptionPane.ERROR_MESSAGE);
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| 307 | }
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| 308 |
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| 309 | running = false;
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| 310 | }
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| 311 |
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| 312 | static private String getExtraLaunchArguments(LLSSiteConfig site_cfg_file) {
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| 313 | String args = " " + site_cfg_file.getSiteConfigFilename();
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| 314 |
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| 315 | if(Utility.isWindows()) {
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| 316 | return args;
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| 317 | }
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| 318 |
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| 319 | // Else, when running the Local Library Server on Linux, need to provide a port argument
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| 320 | try {
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| 321 | PortFinder portFinder = new PortFinder(50100, 100);
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[19442] | 322 | port = portFinder.findPortInRange(false); // silent mode
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[18987] | 323 | } catch(Exception e) {
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| 324 | System.err.println("Exception when trying to find an available port: " + e);
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| 325 | port = -1;
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| 326 | }
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| 327 |
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| 328 | return args + " --quitport=" + port;
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| 329 | }
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| 330 |
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| 331 |
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| 332 | // This method first tests whether there is a URL in the llssite_cfg_file
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| 333 | // and after that appears, it tests whether the URL is functional.
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[19003] | 334 | static private void testServerRunning() throws IOException {
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[13592] | 335 | // Wait until program has started, by reloading and checking the URL field
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[18987] | 336 | llssite_cfg_file.load(false);
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[13592] | 337 | int attempt_count = 0;
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[18650] | 338 | while (llssite_cfg_file.getURL() == null) {
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[13592] | 339 | new OneSecondWait(); // Wait one second (give or take)
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[18987] | 340 | llssite_cfg_file.load(false);
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[13592] | 341 | attempt_count++;
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| 342 |
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[19243] | 343 | // After waiting for the specified time, ask the user whether they want to wait for that long again
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| 344 | if (attempt_count == WAITING_TIME) {
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| 345 | int try_again = JOptionPane.showConfirmDialog(Gatherer.g_man, Dictionary.get("Server.StartUpTimeOut", Integer.toString(WAITING_TIME)),
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| 346 | Dictionary.get("General.Warning"), JOptionPane.YES_NO_OPTION);
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[13592] | 347 | if (try_again == JOptionPane.NO_OPTION) {
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| 348 | return;
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| 349 | }
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| 350 | attempt_count = 0;
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| 351 | }
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| 352 | }
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[18987] | 353 |
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[13592] | 354 | // Ta-da. Now the url should be available
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| 355 | try {
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[18650] | 356 | Configuration.library_url = new URL(llssite_cfg_file.getURL());
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[13592] | 357 | }
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| 358 | catch (MalformedURLException exception) {
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| 359 | DebugStream.printStackTrace(exception);
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| 360 | }
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| 361 |
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| 362 | // A quick test involves opening a connection to get the home page for this collection
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| 363 | try {
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[18987] | 364 | DebugStream.println("Try connecting to server on config url: '" + Configuration.library_url + "'");
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[13592] | 365 | URLConnection connection = Configuration.library_url.openConnection();
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| 366 | connection.getContent();
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[19003] | 367 | running = true;
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[13592] | 368 | }
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| 369 | catch (IOException bad_url_connection) {
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[19003] | 370 | throw bad_url_connection;
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[13592] | 371 | }
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| 372 |
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[19003] | 373 |
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[13592] | 374 | }
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| 375 |
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[19544] | 376 | /** Returns true if we're waiting on the user to click on Enter Library button
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| 377 | * in an independently launched GSI (one not launched by GLI). */
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| 378 | static public boolean isURLPending() {
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| 379 | /*if(Configuration.library_url != null) {
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| 380 | System.err.println("**** Configuration.library_url: " + Configuration.library_url );
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| 381 | return false; // don't need to do anything as we already have the url
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| 382 | }*/
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| 383 |
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[18987] | 384 | llssite_cfg_file.load(true); // don't force reload, load only if modified
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[13592] | 385 |
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[18987] | 386 | String url = llssite_cfg_file.getURL();
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[19544] | 387 |
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[18987] | 388 | if(url != null) {
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[19544] | 389 | if(url.equals(LLSSiteConfig.URL_PENDING)) {
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| 390 | running = false; // imagine if they restarted an external GSI
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| 391 | return true;
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| 392 | } else {
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| 393 | // a valid URL at last
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| 394 | try {
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| 395 | Configuration.library_url = new URL(url);
|
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| 396 | running = true;
|
---|
| 397 | }
|
---|
| 398 | catch (MalformedURLException exception) {
|
---|
| 399 | exception.printStackTrace();
|
---|
| 400 | DebugStream.printStackTrace(exception);
|
---|
| 401 | }
|
---|
| 402 | return false;
|
---|
| 403 | }
|
---|
| 404 | }
|
---|
| 405 |
|
---|
| 406 | // If either the URL is null--which means no independent GSI (Greenstone server interface
|
---|
| 407 | // app) was launched--or if the 'URL' doesn't say it's pending, then we're not waiting
|
---|
| 408 | return false;
|
---|
| 409 | }
|
---|
| 410 |
|
---|
| 411 | static public void checkServerRunning() {
|
---|
| 412 | if (!running) return; // don't worry about it if it's not supposed to be running
|
---|
| 413 | llssite_cfg_file.load(true); // don't force reload, load only if modified
|
---|
| 414 |
|
---|
| 415 | String url = llssite_cfg_file.getURL();
|
---|
| 416 | if(url != null) {
|
---|
[18987] | 417 | try {
|
---|
| 418 | Configuration.library_url = new URL(url);
|
---|
[13592] | 419 | }
|
---|
[18987] | 420 | catch (MalformedURLException exception) {
|
---|
| 421 | DebugStream.printStackTrace(exception);
|
---|
[19544] | 422 | exception.printStackTrace();
|
---|
[18987] | 423 | }
|
---|
| 424 | } else {
|
---|
[13592] | 425 | // need to restart the server again
|
---|
[19544] | 426 |
|
---|
| 427 | // if we were running an independently launched GSI before, but the GSI has been
|
---|
| 428 | // exited, it would need to be relaunched, but from within GLI (dependent) this time.
|
---|
| 429 | if(llssite_cfg_file.isIndependentGSI()) {
|
---|
| 430 | // first save the current configFile (llssite.cfg), then set to use glisite.cfg
|
---|
| 431 | llssite_cfg_file.save();
|
---|
| 432 | llssite_cfg_file.relaunchAsDependentGSI(local_library_server_file);
|
---|
| 433 | } else {
|
---|
| 434 | // We were using glisite.cfg before, don't need to swap config files
|
---|
| 435 | llssite_cfg_file.set();
|
---|
| 436 | }
|
---|
[13592] | 437 | // Spawn local library server process
|
---|
[18987] | 438 | String local_library_server_command = local_library_server_file.getAbsolutePath() + getExtraLaunchArguments(llssite_cfg_file);
|
---|
| 439 | running = false;
|
---|
| 440 | Gatherer.spawnApplication(local_library_server_command, ID);
|
---|
[19003] | 441 | try {
|
---|
| 442 | testServerRunning(); // don't return until the webserver is up and running
|
---|
| 443 | } catch (IOException bad_url_connection) {
|
---|
| 444 | DebugStream.println("Can't connect to server on address " + Configuration.library_url);
|
---|
| 445 | running = false;
|
---|
| 446 | }
|
---|
[13592] | 447 | }
|
---|
| 448 | }
|
---|
[18987] | 449 |
|
---|
[13592] | 450 | static private class OneSecondWait
|
---|
| 451 | {
|
---|
| 452 | public OneSecondWait()
|
---|
| 453 | {
|
---|
| 454 | synchronized(this) {
|
---|
| 455 | try {
|
---|
| 456 | wait(1000);
|
---|
| 457 | }
|
---|
| 458 | catch (InterruptedException exception) {
|
---|
| 459 | }
|
---|
| 460 | }
|
---|
| 461 | }
|
---|
| 462 | }
|
---|
[13792] | 463 |
|
---|
| 464 |
|
---|
[18650] | 465 | static public class LLSSiteConfig
|
---|
[19544] | 466 | extends LinkedHashMap
|
---|
| 467 | {
|
---|
| 468 | private File configFile;
|
---|
| 469 |
|
---|
[18650] | 470 | private File llssite_cfg;
|
---|
[13792] | 471 | private File glisite_cfg;
|
---|
| 472 | private String autoenter_initial;
|
---|
| 473 | private String start_browser_initial;
|
---|
[18987] | 474 |
|
---|
| 475 | private long lastModified = 0;
|
---|
[13792] | 476 |
|
---|
| 477 | static final private String AUTOENTER = "autoenter";
|
---|
| 478 | static final private String COLON = ":";
|
---|
| 479 | static final private String ENTERLIB = "enterlib";
|
---|
| 480 | static final private String FALSE = "0";
|
---|
| 481 | static final private String GLISITE_CFG = "glisite.cfg";
|
---|
[18987] | 482 | static final private String GSDL = "greenstone"; // httpprefix is no longer /gsdl but /greenstone
|
---|
[18650] | 483 | static final private String LLSSITE_CFG = "llssite.cfg";
|
---|
[13792] | 484 | static final private String LOCAL_HOST = "http://localhost";
|
---|
| 485 | static final private String PORTNUMBER = "portnumber";
|
---|
| 486 | static final private String SEPARATOR = "/";
|
---|
| 487 | static final private String SPECIFIC_CONFIG = "--config=";
|
---|
| 488 | static final private String STARTBROWSER = "start_browser";
|
---|
| 489 | static final private String TRUE = "1";
|
---|
| 490 | static final private String URL = "url";
|
---|
| 491 |
|
---|
[19544] | 492 | static final public String URL_PENDING = "URL_pending";
|
---|
| 493 |
|
---|
[18650] | 494 | public LLSSiteConfig(File server_exe) {
|
---|
| 495 | debug("New LLSSiteConfig for: " + server_exe.getAbsolutePath());
|
---|
[18136] | 496 |
|
---|
[18650] | 497 | llssite_cfg = new File(server_exe.getParentFile(), LLSSITE_CFG);
|
---|
[13792] | 498 | glisite_cfg = new File(server_exe.getParentFile(), GLISITE_CFG);
|
---|
[18136] | 499 |
|
---|
[19544] | 500 | configFile = null;
|
---|
| 501 |
|
---|
| 502 | autoenter_initial = null;
|
---|
| 503 | start_browser_initial = null;
|
---|
| 504 |
|
---|
| 505 | // first test if server was started independently of GLI
|
---|
| 506 | // if so, the config file we'd be using would be llssite.cfg
|
---|
| 507 | if(!usingLLS_configFile()) { // if we were using llssite_cfg, this would have loaded it in
|
---|
| 508 | // else we try using the glisite configfile
|
---|
| 509 | useGLISiteCfg(server_exe);
|
---|
| 510 | }
|
---|
| 511 |
|
---|
| 512 | if(configFile != null && configFile.exists()) {
|
---|
| 513 | System.err.println("Using configfile: " + configFile);
|
---|
| 514 | lastModified = configFile.lastModified();
|
---|
| 515 | }
|
---|
| 516 | }
|
---|
| 517 |
|
---|
| 518 | /** Tries to get a glisite.cfg file and then loads it, setting it as the configFile */
|
---|
| 519 | public void useGLISiteCfg(File server_exe) {
|
---|
[19513] | 520 | if(!glisite_cfg.exists()) { // create it from the templates or the llssite.cfg file
|
---|
[19544] | 521 |
|
---|
[19030] | 522 | File llssite_cfg_in = new File(server_exe.getParentFile(), LLSSITE_CFG+".in");
|
---|
| 523 | File glisite_cfg_in = new File(server_exe.getParentFile(), GLISITE_CFG+".in");
|
---|
[19544] | 524 |
|
---|
[19030] | 525 | // need to generate glisite_cfg from glisite_cfg_in, llssite_cfg or llssite.cfg.in
|
---|
| 526 | if(glisite_cfg_in.exists()) {
|
---|
| 527 | copyConfigFile(glisite_cfg_in, glisite_cfg, false);
|
---|
| 528 | }
|
---|
| 529 | else if(llssite_cfg_in.exists()) {
|
---|
| 530 | copyConfigFile(llssite_cfg_in, glisite_cfg_in, true); // adjust for glisite.cfg
|
---|
| 531 | copyConfigFile(glisite_cfg_in, glisite_cfg, false);
|
---|
| 532 | }
|
---|
| 533 | else if(llssite_cfg.exists()) {
|
---|
| 534 | copyConfigFile(llssite_cfg, glisite_cfg, true); // adjust for glisite.cfg
|
---|
| 535 | }
|
---|
| 536 | else {
|
---|
| 537 | debug("Neither the file glisite.cfg nor llssite.cfg can be found!");
|
---|
| 538 | }
|
---|
| 539 | }
|
---|
[19544] | 540 | // use the config file now
|
---|
[18136] | 541 | if(glisite_cfg.exists()) {
|
---|
| 542 | configFile = glisite_cfg;
|
---|
[19544] | 543 | load(false); // force reload
|
---|
[19030] | 544 | }
|
---|
[19544] | 545 | }
|
---|
[19030] | 546 |
|
---|
[19544] | 547 | /** Tests whether the server interface is up, running independently of GLI
|
---|
| 548 | * If so, we don't need to launch the server interface.
|
---|
| 549 | * The server interface may not have started up the server itself though
|
---|
| 550 | * (in which case the server URL would be URL_PENDING).
|
---|
| 551 | * This method returns true if the server interface has already started
|
---|
| 552 | * and, if so, it would have loaded in the llssite_cfg configFile.
|
---|
| 553 | */
|
---|
| 554 | private boolean usingLLS_configFile() {
|
---|
| 555 | if(!llssite_cfg.exists()) {
|
---|
| 556 | return false;
|
---|
[13792] | 557 | }
|
---|
[18987] | 558 |
|
---|
[19544] | 559 | // check if the configfile contains the URL line
|
---|
| 560 | configFile = llssite_cfg;
|
---|
| 561 | load(false); // force load
|
---|
| 562 |
|
---|
| 563 | if(getURL() == null) {
|
---|
| 564 | configFile = null;
|
---|
| 565 | clear(); // we're not using llssite_cfg, so clear the values we just read
|
---|
| 566 | return false;
|
---|
[18987] | 567 | }
|
---|
[19544] | 568 |
|
---|
| 569 | //System.err.println("***** we're using llssite_configfile, url:" + getURL());
|
---|
| 570 | return true;
|
---|
[13792] | 571 | }
|
---|
[18136] | 572 |
|
---|
[19544] | 573 | /** @return true if GSI was started up independently and outside of GLI.
|
---|
| 574 | * In such a case, GLI would be using llssite_cfg. */
|
---|
| 575 | public boolean isIndependentGSI() {
|
---|
| 576 | return (configFile == llssite_cfg);
|
---|
| 577 | }
|
---|
| 578 |
|
---|
| 579 | /** Call this when an independently launched GSI server has been stopped
|
---|
| 580 | * (one using llssite_cfg) and GLI needs to next launch another server.
|
---|
| 581 | * In such a case, since GLI itself is relaunching the GSI, we use glisite_cfg.
|
---|
| 582 | */
|
---|
| 583 | public void relaunchAsDependentGSI(File server_exe) {
|
---|
| 584 | useGLISiteCfg(server_exe);
|
---|
| 585 | }
|
---|
| 586 |
|
---|
[13792] | 587 | public boolean exists() {
|
---|
[19544] | 588 | return configFile.exists();
|
---|
[13792] | 589 | }
|
---|
| 590 |
|
---|
| 591 | public String getLocalHostURL() {
|
---|
| 592 | StringBuffer url = new StringBuffer(LOCAL_HOST);
|
---|
| 593 | url.append(COLON);
|
---|
| 594 | url.append((String)get(PORTNUMBER));
|
---|
| 595 | String enterlib = (String)get(ENTERLIB);
|
---|
| 596 | if(enterlib == null || enterlib.length() == 0) {
|
---|
| 597 | // Use the default /gsdl and hope for the best.
|
---|
| 598 | url.append(SEPARATOR);
|
---|
| 599 | url.append(GSDL);
|
---|
| 600 | }
|
---|
| 601 | else {
|
---|
| 602 | if(!enterlib.startsWith(SEPARATOR)) {
|
---|
| 603 | url.append(SEPARATOR);
|
---|
| 604 | }
|
---|
| 605 | url.append(enterlib);
|
---|
| 606 | }
|
---|
| 607 | enterlib = null;
|
---|
| 608 | debug("Found Local Library Address: " + url.toString());
|
---|
| 609 | return url.toString();
|
---|
| 610 | }
|
---|
| 611 |
|
---|
[19544] | 612 | /** @return the cmd-line parameter for the configfile used to launch
|
---|
| 613 | * the server through GLI: --config <glisite.cfg/llssite.cfg file path>. */
|
---|
[13792] | 614 | public String getSiteConfigFilename() {
|
---|
[19544] | 615 | return SPECIFIC_CONFIG + configFile.getAbsolutePath();
|
---|
[13792] | 616 | }
|
---|
| 617 |
|
---|
| 618 | public String getURL() {
|
---|
| 619 | // URL is made from url and portnumber
|
---|
| 620 | String url = (String) get(URL);
|
---|
[18987] | 621 |
|
---|
[19544] | 622 | // server interface is already up, independent of GLI
|
---|
| 623 | // but it has not started the server (hence URL is pending)
|
---|
| 624 | if(url != null && url.equals(URL_PENDING)) {
|
---|
| 625 | return url;
|
---|
| 626 | }
|
---|
| 627 |
|
---|
[18987] | 628 | if(!Utility.isWindows()) {
|
---|
| 629 | return url;
|
---|
| 630 | }
|
---|
| 631 |
|
---|
[13792] | 632 | if(url != null) {
|
---|
| 633 | StringBuffer temp = new StringBuffer(url);
|
---|
| 634 | temp.append(COLON);
|
---|
| 635 | temp.append((String)get(PORTNUMBER));
|
---|
| 636 | String enterlib = (String)get(ENTERLIB);
|
---|
| 637 | if(enterlib == null || enterlib.length() == 0) {
|
---|
[19544] | 638 | // Use the default /greenstone prefix and hope for the best.
|
---|
[13792] | 639 | temp.append(SEPARATOR);
|
---|
| 640 | temp.append(GSDL);
|
---|
| 641 | }
|
---|
| 642 | else {
|
---|
| 643 | if(!enterlib.startsWith(SEPARATOR)) {
|
---|
| 644 | temp.append(SEPARATOR);
|
---|
| 645 | }
|
---|
| 646 | temp.append(enterlib);
|
---|
| 647 | }
|
---|
| 648 | enterlib = null;
|
---|
| 649 | url = temp.toString();
|
---|
| 650 | }
|
---|
| 651 | debug("Found Local Library Address: " + url);
|
---|
| 652 | return url;
|
---|
| 653 | }
|
---|
| 654 |
|
---|
[18987] | 655 | public boolean isModified() {
|
---|
[19544] | 656 | return (lastModified != configFile.lastModified());
|
---|
[18987] | 657 | }
|
---|
| 658 |
|
---|
| 659 | public void load(boolean reloadOnlyIfModified) {
|
---|
| 660 |
|
---|
[19544] | 661 | if(configFile == null) {
|
---|
| 662 | debug(configFile.getAbsolutePath() + " cannot be found!");
|
---|
| 663 | }
|
---|
| 664 |
|
---|
[18987] | 665 | if(isModified()) {
|
---|
[19544] | 666 | lastModified = configFile.lastModified();
|
---|
[18987] | 667 | } else if(reloadOnlyIfModified) {
|
---|
| 668 | return; // asked to reload only if modified. Don't reload since not modified
|
---|
| 669 | }
|
---|
| 670 |
|
---|
[19544] | 671 | if(configFile.exists()) {
|
---|
| 672 | debug("Load: " + configFile.getAbsolutePath());
|
---|
[13792] | 673 | clear();
|
---|
| 674 | try {
|
---|
[19544] | 675 | BufferedReader in = new BufferedReader(new FileReader(configFile));
|
---|
[13792] | 676 | String line = null;
|
---|
| 677 | while((line = in.readLine()) != null) {
|
---|
| 678 | String key = null;
|
---|
| 679 | String value = null;
|
---|
| 680 | int index = -1;
|
---|
| 681 | if((index = line.indexOf("=")) != -1 && line.length() >= index + 1) {
|
---|
| 682 | key = line.substring(0, index);
|
---|
| 683 | value = line.substring(index + 1);
|
---|
| 684 | }
|
---|
| 685 | else {
|
---|
| 686 | key = line;
|
---|
| 687 | }
|
---|
| 688 | put(key, value);
|
---|
| 689 | }
|
---|
| 690 | in.close();
|
---|
| 691 | }
|
---|
| 692 | catch (Exception error) {
|
---|
| 693 | error.printStackTrace();
|
---|
| 694 | }
|
---|
| 695 | }
|
---|
| 696 | else {
|
---|
[19544] | 697 | debug(configFile.getAbsolutePath() + " cannot be found!");
|
---|
[13792] | 698 | }
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 | /** Restore the autoenter value to its initial value, and remove url if present. */
|
---|
| 702 | public void restore() {
|
---|
[19544] | 703 | if(configFile != null) {
|
---|
[13792] | 704 | // Delete the file
|
---|
[19544] | 705 | configFile.delete();
|
---|
[13792] | 706 | }
|
---|
| 707 | else {
|
---|
| 708 | debug("Restore Initial Settings");
|
---|
| 709 | put(AUTOENTER, autoenter_initial);
|
---|
| 710 | put(STARTBROWSER, start_browser_initial);
|
---|
| 711 | remove(URL);
|
---|
| 712 | save();
|
---|
| 713 | }
|
---|
| 714 | }
|
---|
| 715 |
|
---|
| 716 | public void set() {
|
---|
| 717 | debug("Set Session Settings");
|
---|
| 718 | if(autoenter_initial == null) {
|
---|
| 719 | autoenter_initial = (String) get(AUTOENTER);
|
---|
| 720 | debug("Remember autoenter was: " + autoenter_initial);
|
---|
| 721 | }
|
---|
| 722 | put(AUTOENTER, TRUE);
|
---|
| 723 | if(start_browser_initial == null) {
|
---|
| 724 | start_browser_initial = (String) get(STARTBROWSER);
|
---|
| 725 | debug("Remember start_browser was: " + start_browser_initial);
|
---|
| 726 | }
|
---|
| 727 | put(STARTBROWSER, FALSE);
|
---|
| 728 | save();
|
---|
| 729 | }
|
---|
| 730 |
|
---|
| 731 | private void debug(String message) {
|
---|
| 732 | ///ystem.err.println(message);
|
---|
| 733 | }
|
---|
| 734 |
|
---|
| 735 | private void save() {
|
---|
[18650] | 736 | //debug("Save: " + llssite_cfg.getAbsolutePath());
|
---|
[19544] | 737 | debug("Save: " + configFile.getAbsolutePath());
|
---|
[13792] | 738 | try {
|
---|
[18650] | 739 | //BufferedWriter out = new BufferedWriter(new FileWriter(llssite_cfg, false));
|
---|
[19544] | 740 | BufferedWriter out = new BufferedWriter(new FileWriter(configFile, false));
|
---|
[13792] | 741 | for(Iterator keys = keySet().iterator(); keys.hasNext(); ) {
|
---|
| 742 | String key = (String) keys.next();
|
---|
| 743 | String value = (String) get(key);
|
---|
| 744 | out.write(key, 0, key.length());
|
---|
| 745 | if(value != null) {
|
---|
| 746 | out.write('=');
|
---|
[19544] | 747 |
|
---|
| 748 | // if the server is using llssite.cfg, don't overwrite its default
|
---|
| 749 | // autoenter and startbrowser values
|
---|
| 750 | if(configFile == llssite_cfg && (key == AUTOENTER || key == STARTBROWSER)) {
|
---|
| 751 | if(key == AUTOENTER) {
|
---|
| 752 | out.write(autoenter_initial, 0, autoenter_initial.length());
|
---|
| 753 | } else { // STARTBROWSER
|
---|
| 754 | out.write(start_browser_initial, 0, start_browser_initial.length());
|
---|
| 755 | }
|
---|
| 756 | } else {
|
---|
| 757 | out.write(value, 0, value.length());
|
---|
| 758 | }
|
---|
[13792] | 759 | }
|
---|
| 760 | out.newLine();
|
---|
| 761 | }
|
---|
| 762 | out.flush();
|
---|
| 763 | out.close();
|
---|
| 764 | }
|
---|
| 765 | catch (Exception error) {
|
---|
| 766 | error.printStackTrace();
|
---|
| 767 | }
|
---|
| 768 | }
|
---|
[19030] | 769 |
|
---|
| 770 | private static void copyConfigFile(File source_cfg, File dest_cfg, boolean setToGliSiteDefaults) {
|
---|
| 771 | // source_cfg file should exist
|
---|
| 772 | // dest_cfg file should not yet exist
|
---|
| 773 | // If setToGliSiteDefaults is true, then GLIsite.cfg's default configuration
|
---|
| 774 | // is applied to concerned lines: autoenter=1, and startbrowser=0
|
---|
| 775 |
|
---|
| 776 | try {
|
---|
| 777 | BufferedReader in = new BufferedReader(new FileReader(source_cfg));
|
---|
| 778 | BufferedWriter out = new BufferedWriter(new FileWriter(dest_cfg, false));
|
---|
| 779 |
|
---|
| 780 | String line = null;
|
---|
| 781 | while((line = in.readLine()) != null) {
|
---|
| 782 |
|
---|
| 783 | if(setToGliSiteDefaults) {
|
---|
| 784 | if(line.startsWith(AUTOENTER)) {
|
---|
| 785 | line = AUTOENTER+"=1";
|
---|
| 786 | }
|
---|
| 787 | else if(line.startsWith(STARTBROWSER)) {
|
---|
| 788 | line = STARTBROWSER+"=0";
|
---|
| 789 | }
|
---|
| 790 | }
|
---|
| 791 |
|
---|
| 792 | // write out the line
|
---|
| 793 | out.write(line + "\n");
|
---|
| 794 | }
|
---|
| 795 |
|
---|
| 796 | out.flush();
|
---|
| 797 | in.close();
|
---|
| 798 | out.close();
|
---|
| 799 | } catch(Exception e) {
|
---|
| 800 | System.err.println("Exception occurred when trying to copy the config file "
|
---|
| 801 | + source_cfg.getName() + " to " + dest_cfg.getName() + ": " + e);
|
---|
| 802 | e.printStackTrace();
|
---|
| 803 | }
|
---|
| 804 | }
|
---|
[13792] | 805 | }
|
---|
[13592] | 806 | }
|
---|