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annotate src/main/java/org/monetdb/merovingian/Control.java @ 610:6aa38e8c0f2d

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Updated Copyright year.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Wed, 05 Jan 2022 14:29:56 +0100 (2022-01-05)
parents aed7f32e029a
children ea8e3d011632
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1 /*
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2 * This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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5 *
610
6aa38e8c0f2d Updated Copyright year.
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2022 MonetDB B.V.
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7 */
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8
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9 package org.monetdb.merovingian;
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11 import org.monetdb.mcl.net.MapiSocket;
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12 import org.monetdb.mcl.io.*;
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13 import org.monetdb.mcl.MCLException;
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14 import org.monetdb.mcl.parser.MCLParseException;
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15 import java.io.BufferedReader;
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16 import java.io.IOException;
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17 import java.io.InputStreamReader;
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18 import java.io.PrintStream;
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19 import java.net.Socket;
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20 import java.net.URI;
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21 import java.net.URISyntaxException;
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22 import java.util.ArrayList;
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23 import java.util.Collections;
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24 import java.util.List;
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25 import java.util.Properties;
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26
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27 /**
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28 * A Control class to perform operations on a remote merovingian
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29 * instance, using the TCP control protocol.
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30 *
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31 * This class implements the protocol specific bits to perform all
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32 * possible actions against a merovingian server that has remote control
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33 * facilities enabled.
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34 *
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35 * In the merovingian world, other merovingians in the vicinity are
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36 * known to each merovingian, allowing to perform cluster wide actions.
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37 * The implementation taken in this class is to require one known
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38 * merovingian to get insight in the entire network. Note that
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39 * connecting to a merovingian requires a passphrase that is likely to
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40 * be different for each merovingian.
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41 *
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42 * @author Fabian Groffen
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43 * @version 1.0
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44 */
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45 public class Control {
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46 /** The host to connect to */
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47 private final String host;
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48 /** The port to connect to */
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49 private final int port;
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50 /** The passphrase to use when connecting */
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51 private final String passphrase;
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52 /** The file we should write MapiSocket debuglog to */
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53 private String debug;
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54
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55
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56 /**
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57 * Constructs a new Control object.
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58 *
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59 * @param host - IP address or DNS
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60 * @param port - port number
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61 * @param passphrase - phrase used to pass authorisation
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62 * @throws IllegalArgumentException if host, port or passphrase are
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63 * null or &lt;= 0
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64 */
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65 public Control(String host, int port, String passphrase)
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66 throws IllegalArgumentException
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67 {
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68 this.host = host;
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69 this.port = port;
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70 this.passphrase = passphrase;
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71 }
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72
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73 /**
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74 * Instructs to write a MCL protocol debug log to the given file.
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75 * This affects any newly performed command, and can be changed
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76 * inbetween commands. Passing null to this method disables the
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77 * debug log.
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78 *
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79 * @param filename the filename to write debug information to, or null
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80 */
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81 public void setDebug(String filename) {
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82 this.debug = filename;
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83 }
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84
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85 private String controlHash(String pass, String salt) {
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86 long ho;
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87 long h = 0;
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88
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89 /* use a very simple hash function designed for a single int val
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90 * (hash buckets), we can make this more interesting if necessary in
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91 * the future.
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92 * http://www.cs.hmc.edu/~geoff/classes/hmc.cs070.200101/homework10/hashfuncs.html */
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93
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94 for (int i = 0; i < pass.length(); i++) {
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95 ho = h & 0xF8000000L;
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96 h <<= 5;
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97 h &= 0xFFFFFFFFL;
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98 h ^= ho >>> 27;
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99 h ^= (int)(pass.charAt(i));
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100 }
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101
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102 for (int i = 0; i < salt.length(); i++) {
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103 ho = h & 0xF8000000L;
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104 h <<= 5;
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105 h &= 0xFFFFFFFFL;
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106 h ^= ho >> 27;
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107 h ^= (int)(salt.charAt(i));
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108 }
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109
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110 return(Long.toString(h));
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111 }
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112
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113 final static private String RESPONSE_OK = "OK";
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114
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115 private List<String> sendCommand(
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116 String database, String command, boolean hasOutput)
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117 throws MerovingianException, IOException
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118 {
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119 BufferedMCLReader min;
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120 BufferedMCLWriter mout;
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121 MapiSocket ms = new MapiSocket();
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122 ms.setDatabase("merovingian");
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123 ms.setLanguage("control");
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124 if (debug != null)
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125 ms.debug(debug);
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126 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
127 ms.connect(host, port, "monetdb", passphrase);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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128 min = ms.getReader();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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129 mout = ms.getWriter();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
130 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
131 throw new MerovingianException(e.getMessage());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
132 } catch (MCLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
133 throw new MerovingianException(e.getMessage());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
134 } catch (AssertionError e) { // mcl panics
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
135 ms.close();
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
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parents: 350
diff changeset
136
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
137 // Try old protocol instead
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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138 Socket s;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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139 PrintStream out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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140 BufferedReader in;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
141 s = new Socket(host, port);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
142 out = new PrintStream(s.getOutputStream());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
143 in = new BufferedReader(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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144 new InputStreamReader(s.getInputStream()));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
145 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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146 /* login ritual, step 1: get challenge from server */
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147 String response = in.readLine();
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148 if (response == null)
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149 throw new MerovingianException("server closed the connection");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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150
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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151 if (!response.startsWith("merovingian:1:") &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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152 !response.startsWith("merovingian:2:"))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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153 throw new MerovingianException("unsupported merovingian server");
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154
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155 String[] tokens = response.split(":");
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156 if (tokens.length < 3)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
157 throw new MerovingianException("did not understand merovingian server");
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158 String version = tokens[1];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
159 String token = tokens[2];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
160
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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161 response = controlHash(passphrase, token);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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162 if (version.equals("1")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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163 out.print(response + "\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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164 } else if (version.equals("2")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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165 // we only support control mode for now
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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166 out.print(response + ":control\n");
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167 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
168
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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169 response = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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170 if (response == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
171 throw new MerovingianException("server closed the connection");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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172 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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173
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
174 if (!response.equals(RESPONSE_OK)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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175 throw new MerovingianException(response);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
176 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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177
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178 /* send command, form is simple: "<db> <cmd>\n" */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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179 out.print(database + " " + command + "\n");
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180
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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181 /* Response has the first line either "OK\n" or an error
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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182 * message. In case of a command with output, the data will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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183 * follow the first line */
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184 response = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
185 if (response == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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186 throw new MerovingianException("server closed the connection");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
187 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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188 if (!response.equals(RESPONSE_OK)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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189 throw new MerovingianException(response);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
190 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
191
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
192 if (!hasOutput)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
193 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
194
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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195 ArrayList<String> l = new ArrayList<String>();
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diff changeset
196 while ((response = in.readLine()) != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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197 l.add(response);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
198 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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199 return l;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
200 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
201 in.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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202 out.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
203 s.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
204 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
205 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
206
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
207 mout.writeLine(database + " " + command + "\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
208 ArrayList<String> l = new ArrayList<String>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
209 String tmpLine = min.readLine();
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 406
diff changeset
210 LineType linetype = min.getLineType();
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 406
diff changeset
211 if (linetype == LineType.ERROR)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
212 throw new MerovingianException(tmpLine.substring(6));
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 406
diff changeset
213 if (linetype != LineType.RESULT)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
214 throw new MerovingianException("unexpected line: " + tmpLine);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
215 if (!tmpLine.substring(1).equals(RESPONSE_OK))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
216 throw new MerovingianException(tmpLine.substring(1));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
217 tmpLine = min.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
218 linetype = min.getLineType();
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 406
diff changeset
219 while (linetype != LineType.PROMPT) {
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 406
diff changeset
220 if (linetype != LineType.RESULT)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
221 throw new MerovingianException("unexpected line: " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
222 tmpLine);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
223
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
224 l.add(tmpLine.substring(1));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
225
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
226 tmpLine = min.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
227 linetype = min.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
228 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
229
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
230 ms.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
231 return l;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
232 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
233
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
234 public void start(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
235 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
236 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
237 sendCommand(database, "start", false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
238 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
239
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
240 public void stop(String database)
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
241 throws MerovingianException, IOException
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
242 {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
243 sendCommand(database, "stop", false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
244 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
245
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
246 public void kill(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
247 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
248 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
249 sendCommand(database, "kill", false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
250 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
251
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
252 public void create(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
253 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
254 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
255 sendCommand(database, "create", false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
256 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
257
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258 public void destroy(String database)
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259 throws MerovingianException, IOException
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
260 {
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diff changeset
261 sendCommand(database, "destroy", false);
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Sjoerd Mullender <sjoerd@acm.org>
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262 }
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263
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Sjoerd Mullender <sjoerd@acm.org>
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264 public void lock(String database)
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Sjoerd Mullender <sjoerd@acm.org>
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265 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
266 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
267 sendCommand(database, "lock", false);
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268 }
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diff changeset
269
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270 public void release(String database)
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271 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
272 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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273 sendCommand(database, "release", false);
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274 }
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275
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276 public void rename(String database, String newname)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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277 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
278 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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279 if (newname == null)
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280 newname = ""; /* force error from merovingian */
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281
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282 sendCommand(database, "name=" + newname, false);
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Sjoerd Mullender <sjoerd@acm.org>
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283 }
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diff changeset
284
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Sjoerd Mullender <sjoerd@acm.org>
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285 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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286 * Sets property for database to value. If value is null, the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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287 * property is unset, and its inherited value becomes active again.
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288 *
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289 * @param database the target database
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290 * @param property the property to set value for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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291 * @param value the value to set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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292 * @throws MerovingianException if performing the command failed at
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
293 * the merovingian side
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diff changeset
294 * @throws IOException if connecting to or communicating with
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
295 * merovingian failed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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296 */
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297 public void setProperty(String database, String property, String value)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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298 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
299 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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300 /* inherit: set to empty string */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
301 if (value == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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302 value = "";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
303
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
304 sendCommand(database, property + "=" + value, false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
305 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
306
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
307 public void inheritProperty(String database, String property)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
308 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
309 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
310 setProperty(database, property, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
311 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
312
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
313 public Properties getProperties(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
314 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
315 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
316 Properties ret = new Properties();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
317 List<String> response = sendCommand(database, "get", true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
318 for (String responseLine : response) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
319 if (responseLine.startsWith("#"))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
320 continue;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
321 int pos = responseLine.indexOf("=");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
322 if (pos > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
323 ret.setProperty(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
324 responseLine.substring(0, pos),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
325 responseLine.substring(pos + 1, responseLine.length()));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
326 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
327 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
328 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
329 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
330
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
331 public Properties getDefaultProperties()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
332 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
333 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
334 return(getProperties("#defaults"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
335 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
336
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
337 public SabaothDB getStatus(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
338 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
339 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
340 List<String> response = sendCommand(database, "status", true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
341 if (response.isEmpty())
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
342 throw new MerovingianException("communication error");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
343 return new SabaothDB(response.get(0));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
344 }
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
345
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
346 /**
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
347 * Test whether a specific database exists.
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
348 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
349 * @param database name of database
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
350 * @return true, iff database already exists.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
351 * @throws MerovingianException if performing the command failed at
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
352 * the merovingian side
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
353 * @throws IOException if connecting to or communicating with
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
354 * merovingian failed
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
355 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
356 public boolean exists(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
357 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
358 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
359 List<SabaothDB> all = getAllStatuses();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
360 for (SabaothDB db : all) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
361 if (db.getName().equals(database)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
362 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
363 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
364 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
365 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
366 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
367
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
368 public List<SabaothDB> getAllStatuses()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
369 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
370 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
371 List<SabaothDB> l = new ArrayList<SabaothDB>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
372 List<String> response = sendCommand("#all", "status", true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
373 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
374 for (String responseLine : response) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
375 l.add(new SabaothDB(responseLine));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
376 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
377 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
378 throw new MerovingianException(e.getMessage());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
379 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
380 return Collections.unmodifiableList(l);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
381 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
382
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
383 public List<URI> getAllNeighbours()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
384 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
385 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
386 List<URI> l = new ArrayList<URI>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
387 List<String> response = sendCommand("anelosimus", "eximius", true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
388 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
389 for (String responseLine : response) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
390 // format is <db>\t<uri>
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391 String[] parts = responseLine.split("\t", 2);
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392 if (parts.length != 2)
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393 throw new MerovingianException("invalid entry: " +
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394 responseLine);
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395 if (parts[0].equals("*")) {
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396 l.add(new URI(parts[1]));
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397 } else {
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398 l.add(new URI(parts[1] + parts[0]));
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399 }
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400 }
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401 } catch (URISyntaxException e) {
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402 throw new MerovingianException(e.getMessage());
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403 }
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404 return Collections.unmodifiableList(l);
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405 }
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406 }