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annotate src/main/java/org/monetdb/merovingian/Control.java @ 716:aeb268156580

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Updated Copyright year.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 05 Jan 2023 12:03:22 +0100 (2023-01-05)
parents 940e266eeccd
children e890195256ac
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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 *
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2023 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 private int soTimeout = -1; /* -1 means not initialized */
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55
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56
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57 /**
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58 * Constructs a new Control object.
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59 *
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60 * @param host - IP address or DNS
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61 * @param port - port number
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62 * @param passphrase - phrase used to pass authorisation
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63 * @throws IllegalArgumentException if host, port or passphrase are
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64 * null or &lt;= 0
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65 */
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66 public Control(String host, int port, String passphrase)
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67 throws IllegalArgumentException
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68 {
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69 this.host = host;
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70 this.port = port;
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71 this.passphrase = passphrase;
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72 }
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73
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74 /**
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75 * Sets the socket timeout.
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76 *
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77 * @param timeout (in milliseconds) Use -1 to unset timeout (and use default)
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78 */
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79 public void setSoTimeout(int timeout) {
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80 soTimeout = timeout;
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81 }
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82
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83 /**
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84 * Instructs to write a MCL protocol debug log to the given file.
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85 * This affects any newly performed command, and can be changed
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86 * inbetween commands. Passing null to this method disables the
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87 * debug log.
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88 *
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89 * @param filename the filename to write debug information to, or null
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90 */
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91 public void setDebug(String filename) {
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92 this.debug = filename;
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93 }
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94
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95 private String controlHash(String pass, String salt) {
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96 long ho;
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97 long h = 0;
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98
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99 /* use a very simple hash function designed for a single int val
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100 * (hash buckets), we can make this more interesting if necessary in
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101 * the future.
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102 * http://www.cs.hmc.edu/~geoff/classes/hmc.cs070.200101/homework10/hashfuncs.html */
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103
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104 for (int i = 0; i < pass.length(); i++) {
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105 ho = h & 0xF8000000L;
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106 h <<= 5;
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107 h &= 0xFFFFFFFFL;
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108 h ^= ho >>> 27;
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109 h ^= (int)(pass.charAt(i));
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110 }
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111
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112 for (int i = 0; i < salt.length(); i++) {
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113 ho = h & 0xF8000000L;
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114 h <<= 5;
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115 h &= 0xFFFFFFFFL;
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116 h ^= ho >> 27;
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117 h ^= (int)(salt.charAt(i));
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118 }
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119
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120 return(Long.toString(h));
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121 }
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122
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123 final static private String RESPONSE_OK = "OK";
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124
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125 private List<String> sendCommand(
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126 String database, String command, boolean hasOutput)
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127 throws MerovingianException, IOException
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Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
128 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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129 BufferedMCLReader min;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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130 BufferedMCLWriter mout;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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131 MapiSocket ms = new MapiSocket();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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132 ms.setDatabase("merovingian");
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Sjoerd Mullender <sjoerd@acm.org>
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133 ms.setLanguage("control");
630
ea8e3d011632 Allow setting socket read timeout on Control
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
134 if (soTimeout != -1)
ea8e3d011632 Allow setting socket read timeout on Control
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
135 ms.setSoTimeout(soTimeout);
0
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diff changeset
136 if (debug != null)
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Sjoerd Mullender <sjoerd@acm.org>
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137 ms.debug(debug);
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138 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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139 ms.connect(host, port, "monetdb", passphrase);
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Sjoerd Mullender <sjoerd@acm.org>
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140 min = ms.getReader();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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141 mout = ms.getWriter();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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142 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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143 throw new MerovingianException(e.getMessage());
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diff changeset
144 } catch (MCLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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145 throw new MerovingianException(e.getMessage());
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146 } catch (AssertionError e) { // mcl panics
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147 ms.close();
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
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148
0
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149 // Try old protocol instead
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150 Socket s;
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151 PrintStream out;
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152 BufferedReader in;
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153 s = new Socket(host, port);
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154 out = new PrintStream(s.getOutputStream());
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155 in = new BufferedReader(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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156 new InputStreamReader(s.getInputStream()));
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157 try {
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158 /* login ritual, step 1: get challenge from server */
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159 String response = in.readLine();
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160 if (response == null)
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161 throw new MerovingianException("server closed the connection");
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162
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163 if (!response.startsWith("merovingian:1:") &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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164 !response.startsWith("merovingian:2:"))
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165 throw new MerovingianException("unsupported merovingian server");
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166
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167 String[] tokens = response.split(":");
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168 if (tokens.length < 3)
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169 throw new MerovingianException("did not understand merovingian server");
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170 String version = tokens[1];
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171 String token = tokens[2];
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172
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173 response = controlHash(passphrase, token);
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174 if (version.equals("1")) {
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175 out.print(response + "\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
176 } else if (version.equals("2")) {
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177 // we only support control mode for now
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178 out.print(response + ":control\n");
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179 }
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180
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181 response = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
182 if (response == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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183 throw new MerovingianException("server closed the connection");
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184 }
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185
632
e2fd07352866 Fix Control protocol handling
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parents: 631
diff changeset
186 if (!response.substring(1).equals(RESPONSE_OK)) {
0
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187 throw new MerovingianException(response);
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188 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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189
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190 /* send command, form is simple: "<db> <cmd>\n" */
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diff changeset
191 out.print(database + " " + command + "\n");
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diff changeset
192
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193 /* Response has the first line either "OK\n" or an error
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194 * message. In case of a command with output, the data will
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195 * follow the first line */
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196 response = in.readLine();
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diff changeset
197 if (response == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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198 throw new MerovingianException("server closed the connection");
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diff changeset
199 }
632
e2fd07352866 Fix Control protocol handling
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parents: 631
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200 if (!response.substring(1).equals(RESPONSE_OK)) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
201 throw new MerovingianException(response);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
202 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
203
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
204 if (!hasOutput)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
205 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
206
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
207 ArrayList<String> l = new ArrayList<String>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
208 while ((response = in.readLine()) != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
209 l.add(response);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
210 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
211 return l;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
212 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
213 in.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
214 out.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
215 s.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
216 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
217 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
218
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
219 mout.writeLine(database + " " + command + "\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
220 ArrayList<String> l = new ArrayList<String>();
700
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
221 min.advance();
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
222 String tmpLine = min.getLine();
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
223 switch (min.getLineType()) {
632
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
224 case ERROR:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
225 throw new MerovingianException(tmpLine.substring(6));
632
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
226 case RESULT:
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
227 if (!tmpLine.substring(1).equals(RESPONSE_OK))
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
228 throw new MerovingianException(tmpLine);
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
229 break;
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
230 default:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
231 throw new MerovingianException("unexpected line: " + tmpLine);
632
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
232 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
233
632
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
234
700
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
235 lineloop:
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
236 while (true) {
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
237 min.advance();
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
238 switch (min.getLineType()) {
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
239 case PROMPT:
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
240 break lineloop;
632
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
241 case RESULT:
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
242 l.add(tmpLine.substring(1));
700
940e266eeccd Refactor BufferedMCLReader
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 632
diff changeset
243 continue lineloop;
632
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
244 default:
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
245 throw new MerovingianException("unexpected line: " + tmpLine);
e2fd07352866 Fix Control protocol handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 631
diff changeset
246 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
247 }
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 ms.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
250 return l;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
253 public void start(String database)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
254 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
255 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
256 sendCommand(database, "start", false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
257 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
258
716
aeb268156580 Updated Copyright year.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 700
diff changeset
259 public boolean isStopped(String database)
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260 throws MerovingianException, IOException
631
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261 {
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262 switch (getStatus(database).getState()) {
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263 case SABdbInactive:
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264 case SABdbCrashed:
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265 case SABdbIllegal:
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266 return true;
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267 case SABdbStarting:
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268 case SABdbRunning:
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269 return false;
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270 default:
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271 throw new IllegalStateException();
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272 }
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273 }
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274
0
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275 public void stop(String database)
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276 throws MerovingianException, IOException
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277 {
0
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278 sendCommand(database, "stop", false);
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279 }
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280
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281 public void kill(String database)
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282 throws MerovingianException, IOException
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283 {
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284 sendCommand(database, "kill", false);
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285 }
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286
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287 public void create(String database)
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288 throws MerovingianException, IOException
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289 {
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290 sendCommand(database, "create", false);
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291 }
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292
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293 public void destroy(String database)
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294 throws MerovingianException, IOException
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295 {
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296 sendCommand(database, "destroy", false);
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297 }
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298
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299 public void lock(String database)
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300 throws MerovingianException, IOException
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301 {
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302 sendCommand(database, "lock", false);
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303 }
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304
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305 public void release(String database)
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306 throws MerovingianException, IOException
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307 {
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308 sendCommand(database, "release", false);
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309 }
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310
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311 public void rename(String database, String newname)
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312 throws MerovingianException, IOException
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313 {
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314 if (newname == null)
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315 newname = ""; /* force error from merovingian */
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316
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317 sendCommand(database, "name=" + newname, false);
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318 }
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319
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320 /**
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321 * Sets property for database to value. If value is null, the
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322 * property is unset, and its inherited value becomes active again.
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323 *
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324 * @param database the target database
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325 * @param property the property to set value for
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326 * @param value the value to set
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327 * @throws MerovingianException if performing the command failed at
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328 * the merovingian side
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329 * @throws IOException if connecting to or communicating with
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330 * merovingian failed
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331 */
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332 public void setProperty(String database, String property, String value)
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333 throws MerovingianException, IOException
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334 {
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335 /* inherit: set to empty string */
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336 if (value == null)
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337 value = "";
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338
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339 sendCommand(database, property + "=" + value, false);
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340 }
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341
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342 public void inheritProperty(String database, String property)
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343 throws MerovingianException, IOException
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344 {
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345 setProperty(database, property, null);
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346 }
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347
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348 public Properties getProperties(String database)
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349 throws MerovingianException, IOException
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350 {
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351 Properties ret = new Properties();
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352 List<String> response = sendCommand(database, "get", true);
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353 for (String responseLine : response) {
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354 if (responseLine.startsWith("#"))
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355 continue;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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356 int pos = responseLine.indexOf("=");
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357 if (pos > 0) {
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358 ret.setProperty(
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359 responseLine.substring(0, pos),
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360 responseLine.substring(pos + 1, responseLine.length()));
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361 }
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362 }
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363 return ret;
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diff changeset
364 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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365
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366 public Properties getDefaultProperties()
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367 throws MerovingianException, IOException
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368 {
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369 return(getProperties("#defaults"));
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370 }
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371
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372 public SabaothDB getStatus(String database)
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373 throws MerovingianException, IOException
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374 {
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375 List<String> response = sendCommand(database, "status", true);
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376 if (response.isEmpty())
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377 throw new MerovingianException("communication error");
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378 return new SabaothDB(response.get(0));
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diff changeset
379 }
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
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diff changeset
380
0
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381 /**
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
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diff changeset
382 * Test whether a specific database exists.
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diff changeset
383 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
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diff changeset
384 * @param database name of database
0
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385 * @return true, iff database already exists.
194
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parents: 90
diff changeset
386 * @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
387 * the merovingian side
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
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parents: 90
diff changeset
388 * @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
389 * merovingian failed
0
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diff changeset
390 */
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391 public boolean exists(String database)
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392 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
393 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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394 List<SabaothDB> all = getAllStatuses();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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395 for (SabaothDB db : all) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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396 if (db.getName().equals(database)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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397 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
398 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
399 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
400 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
401 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
402
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
403 public List<SabaothDB> getAllStatuses()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
404 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
405 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
406 List<SabaothDB> l = new ArrayList<SabaothDB>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
407 List<String> response = sendCommand("#all", "status", true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
408 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
409 for (String responseLine : response) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
410 l.add(new SabaothDB(responseLine));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
411 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
412 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
413 throw new MerovingianException(e.getMessage());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
414 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
415 return Collections.unmodifiableList(l);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
416 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
417
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
418 public List<URI> getAllNeighbours()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
419 throws MerovingianException, IOException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
420 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
421 List<URI> l = new ArrayList<URI>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
422 List<String> response = sendCommand("anelosimus", "eximius", true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
423 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
424 for (String responseLine : response) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
425 // format is <db>\t<uri>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
426 String[] parts = responseLine.split("\t", 2);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
427 if (parts.length != 2)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
428 throw new MerovingianException("invalid entry: " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
429 responseLine);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
430 if (parts[0].equals("*")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
431 l.add(new URI(parts[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
432 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
433 l.add(new URI(parts[1] + parts[0]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
434 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
435 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
436 } catch (URISyntaxException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
437 throw new MerovingianException(e.getMessage());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
438 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
439 return Collections.unmodifiableList(l);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
440 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
441 }