monetdb-java: src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java annotate

annotate src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java @ 297:bb273e9c7e09

Add "final" keyword to classes, method arguments and local variables where possible. In Mapisocket.java replaced 4 log methods with 1 method with 2 extra parameters for more flexibility and less code. Resolved javadoc warning for MonetSavepoint.java

author	Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date	Thu, 08 Aug 2019 20:19:45 +0200 (2019-08-08)
parents	b58c1b245ede
children	59bc8bebbfe9

rev	line source
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1 /*
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	2 * This Source Code Form is subject to the terms of the Mozilla Public
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	3 * License, v. 2.0. If a copy of the MPL was not distributed with this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	5 *
261 d4baf8a4b43a Update Copyright year to 2019 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 225 diff changeset	6 * Copyright 1997 - July 2008 CWI, August 2008 - 2019 MonetDB B.V.
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	7 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	8
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	9 package nl.cwi.monetdb.mcl.net;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	10
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	11 import java.io.BufferedInputStream;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	12 import java.io.BufferedOutputStream;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	13 import java.io.FileWriter;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	14 import java.io.FilterInputStream;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	15 import java.io.FilterOutputStream;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	16 import java.io.IOException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	17 import java.io.InputStream;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	18 import java.io.OutputStream;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	19 import java.io.UnsupportedEncodingException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	20 import java.io.Writer;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	21 import java.net.Socket;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	22 import java.net.SocketException;
225 5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props). Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 200 diff changeset	23 import java.net.UnknownHostException;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	24 import java.net.URI;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	25 import java.security.MessageDigest;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	26 import java.security.NoSuchAlgorithmException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	27 import java.util.ArrayList;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	28 import java.util.HashSet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	29 import java.util.List;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	30
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	31 import nl.cwi.monetdb.mcl.MCLException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	32 import nl.cwi.monetdb.mcl.io.BufferedMCLReader;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	33 import nl.cwi.monetdb.mcl.io.BufferedMCLWriter;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	34 import nl.cwi.monetdb.mcl.parser.MCLParseException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	35
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	36 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	37 * A Socket for communicating with the MonetDB database in MAPI block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	38 * mode.
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	39 *
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	40 * The MapiSocket implements the protocol specifics of the MAPI block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	41 * mode protocol, and interfaces it as a socket that delivers a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	42 * BufferedReader and a BufferedWriter. Because logging in is an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	43 * integral part of the MAPI protocol, the MapiSocket performs the login
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	44 * procedure. Like the Socket class, various options can be set before
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	45 * calling the connect() method to influence the login process. Only
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	46 * after a successful call to connect() the BufferedReader and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	47 * BufferedWriter can be retrieved.
194 1296dbcc4958 Resolved javadoc many errors and warnings, such as: Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 180 diff changeset	48 *
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	49 * For each line read, it is determined what type of line it is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	50 * according to the MonetDB MAPI protocol. This results in a line to be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	51 * PROMPT, HEADER, RESULT, ERROR or UNKNOWN. Use the getLineType()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	52 * method on the BufferedMCLReader to retrieve the type of the last
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	53 * line read.
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	54 *
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	55 * For debugging purposes a socket level debugging is implemented where
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	56 * each and every interaction to and from the MonetDB server is logged
194 1296dbcc4958 Resolved javadoc many errors and warnings, such as: Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 180 diff changeset	57 * to a file on disk.
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	58 * Incoming messages are prefixed by "RX" (received by the driver),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	59 * outgoing messages by "TX" (transmitted by the driver). Special
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	60 * decoded non-human readable messages are prefixed with "RD" and "TD"
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	61 * instead. Following this two char prefix, a timestamp follows as the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	62 * number of milliseconds since the UNIX epoch. The rest of the line is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	63 * a String representation of the data sent or received.
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	64 *
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	65 * The general use of this Socket must be seen only in the full context
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	66 * of a MAPI connection to a server. It has the same ingredients as a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	67 * normal Socket, allowing for seamless plugging.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	68 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	69 * Socket \ / InputStream ----> (BufferedMCL)Reader
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	70 * > o <
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	71 * MapiSocket / \ OutputStream ----> (BufferedMCL)Writer
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	72 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	73 * The MapiSocket allows to retrieve Streams for communicating. They
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	74 * are interfaced, so they can be chained in any way. While the Socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	75 * transparently deals with how data is sent over the wire, the actual
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	76 * data read needs to be interpreted, for which a Reader/Writer
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	77 * interface is most sufficient. In particular the BufferedMCL*
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	78 * implementations of those interfaces supply some extra functionality
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	79 * geared towards the format of the data.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	80 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	81 * @author Fabian Groffen
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	82 * @version 4.1
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	83 * @see nl.cwi.monetdb.mcl.io.BufferedMCLReader
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	84 * @see nl.cwi.monetdb.mcl.io.BufferedMCLWriter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	85 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	86 public final class MapiSocket {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	87 /** The TCP Socket to mserver */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	88 private Socket con;
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	89 /** The TCP Socket timeout in milliseconds. Default is 0 meaning the timeout is disabled (i.e., timeout of infinity) */
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	90 private int soTimeout = 0;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	91 /** Stream from the Socket for reading */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	92 private InputStream fromMonet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	93 /** Stream from the Socket for writing */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	94 private OutputStream toMonet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	95 /** MCLReader on the InputStream */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	96 private BufferedMCLReader reader;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	97 /** MCLWriter on the OutputStream */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	98 private BufferedMCLWriter writer;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	99 /** protocol version of the connection */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	100 private int version;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	101
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	102 /** The database to connect to */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	103 private String database = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	104 /** The language to connect with */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	105 private String language = "sql";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	106 /** The hash methods to use (null = default) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	107 private String hash = null;
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	108
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	109 /** Whether we should follow redirects */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	110 private boolean followRedirects = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	111 /** How many redirections do we follow until we're fed up with it? */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	112 private int ttl = 10;
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	113
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	114 /** Whether we are debugging or not */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	115 private boolean debug = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	116 /** The Writer for the debug log-file */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	117 private Writer log;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	118
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	119 /** The blocksize (hardcoded in compliance with MonetDB common/stream/stream.h) */
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	120 public final static int BLOCK = 8 * 1024 - 2;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	121
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	122 /** A short in two bytes for holding the block size in bytes */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	123 private final byte[] blklen = new byte[2];
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	124
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	125 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	126 * Constructs a new MapiSocket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	127 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	128 public MapiSocket() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	129 con = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	130 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	131
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	132 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	133 * Sets the database to connect to. If database is null, a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	134 * connection is made to the default database of the server. This
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	135 * is also the default.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	136 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	137 * @param db the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	138 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	139 public void setDatabase(final String db) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	140 this.database = db;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	141 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	142
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	143 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	144 * Sets the language to use for this connection.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	145 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	146 * @param lang the language
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	147 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	148 public void setLanguage(final String lang) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	149 this.language = lang;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	150 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	151
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	152 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	153 * Sets the hash method to use. Note that this method is intended
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	154 * for debugging purposes. Setting a hash method can yield in
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	155 * connection failures. Multiple hash methods can be given by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	156 * separating the hashes by commas.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	157 * DON'T USE THIS METHOD if you don't know what you're doing.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	158 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	159 * @param hash the hash method to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	160 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	161 public void setHash(final String hash) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	162 this.hash = hash;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	163 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	164
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	165 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	166 * Sets whether MCL redirections should be followed or not. If set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	167 * to false, an MCLException will be thrown when a redirect is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	168 * encountered during connect. The default bahaviour is to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	169 * automatically follow redirects.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	170 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	171 * @param r whether to follow redirects (true) or not (false)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	172 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	173 public void setFollowRedirects(final boolean r) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	174 this.followRedirects = r;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	175 }
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. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	177 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	178 * Sets the number of redirects that are followed when
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	179 * followRedirects is true. In order to avoid going into an endless
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	180 * loop due to some evil server, or another error, a maximum number
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	181 * of redirects that may be followed can be set here. Note that to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	182 * disable the following of redirects you should use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	183 * setFollowRedirects.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	184 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	185 * @see #setFollowRedirects(boolean r)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	186 * @param t the number of redirects before an exception is thrown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	187 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	188 public void setTTL(final int t) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	189 this.ttl = t;
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. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	191
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	192 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	193 * Set the SO_TIMEOUT on the underlying Socket. When for some
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	194 * reason the connection to the database hangs, this setting can be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	195 * useful to break out of this indefinite wait.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	196 * This option must be enabled prior to entering the blocking
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	197 * operation to have effect.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	198 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	199 * @param s The specified timeout, in milliseconds. A timeout
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	200 * of zero will disable timeout (i.e., timeout of infinity).
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	201 * @throws SocketException Issue with the socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	202 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	203 public void setSoTimeout(final int s) throws SocketException {
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	204 if (s < 0) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	205 throw new IllegalArgumentException("timeout can't be negative");
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	206 }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	207 this.soTimeout = s;
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	208 // limit time to wait on blocking operations
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	209 if (con != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	210 con.setSoTimeout(s);
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	211 }
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	212 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	213
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	214 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	215 * Gets the SO_TIMEOUT from the underlying Socket.
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 * @return the currently in use timeout in milliseconds
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	218 * @throws SocketException Issue with the socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	219 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	220 public int getSoTimeout() throws SocketException {
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	221 if (con != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	222 this.soTimeout = con.getSoTimeout();
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	223 }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	224 return this.soTimeout;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	225 }
75 db46b4ab2b9f Correct the condition for when the log can be closed: only when log instanceof FileWriter Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 53 diff changeset	226
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	227 /**
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	228 * Enables/disables debug mode with logging to file
0 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 * @param debug Value to set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	231 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	232 public void setDebug(final boolean debug) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	233 this.debug = debug;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	234 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	235
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 * Connects to the given host and port, logging in as the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	238 * user. If followRedirect is false, a RedirectionException is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	239 * thrown when a redirect is encountered.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	240 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	241 * @param host the hostname, or null for the loopback address
225 5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props). Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 200 diff changeset	242 * @param port the port number (must be between 0 and 65535, inclusive)
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	243 * @param user the username
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	244 * @param pass the password
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	245 * @return A List with informational (warning) messages. If this
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	246 * list is empty; then there are no warnings.
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	247 * @throws IOException if an I/O error occurs when creating the socket
225 5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props). Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 200 diff changeset	248 * @throws SocketException - if there is an error in the underlying protocol, such as a TCP error.
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props). Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 200 diff changeset	249 * @throws UnknownHostException if the IP address of the host could not be determined
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	250 * @throws MCLParseException if bogus data is received
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	251 * @throws MCLException if an MCL related error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	252 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	253 public List<String> connect(final String host, final int port, final String user, final String pass)
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	254 throws IOException, SocketException, UnknownHostException, MCLParseException, MCLException
180 fdf4c888d5b7 Small code and layout improvements Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 90 diff changeset	255 {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	256 // Wrap around the internal connect that needs to know if it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	257 // should really make a TCP connection or not.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	258 return connect(host, port, user, pass, true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	259 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	260
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	261 private List<String> connect(final String host, final int port, final String user, final String pass, final boolean makeConnection)
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	262 throws IOException, SocketException, UnknownHostException, MCLParseException, MCLException
180 fdf4c888d5b7 Small code and layout improvements Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 90 diff changeset	263 {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	264 if (ttl-- <= 0)
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	265 throw new MCLException("Maximum number of redirects reached, aborting connection attempt.");
0 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. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	267 if (makeConnection) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	268 con = new Socket(host, port);
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	269 con.setSoTimeout(this.soTimeout);
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	270 // set nodelay, as it greatly speeds up small messages (like we often do)
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	271 con.setTcpNoDelay(true);
276 fab4e6165be9 use so_keepalive (like the server does) Niels Nes <niels@cwi.nl> parents: 261 diff changeset	272 con.setKeepAlive(true);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	273
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	274 fromMonet = new BlockInputStream(con.getInputStream());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	275 toMonet = new BlockOutputStream(con.getOutputStream());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	276 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	277 reader = new BufferedMCLReader(fromMonet, "UTF-8");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	278 writer = new BufferedMCLWriter(toMonet, "UTF-8");
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	279 writer.registerReader(reader);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	280 } catch (UnsupportedEncodingException e) {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	281 throw new MCLException(e.toString());
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	282 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	283 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	284
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	285 final String c = reader.readLine();
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	286 reader.waitForPrompt();
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	287 writer.writeLine(getChallengeResponse(c, user, pass, language, database, hash));
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	288
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	289 // read monetdb mserver response till prompt
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	290 final ArrayList<String> redirects = new ArrayList<String>();
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	291 final List<String> warns = new ArrayList<String>();
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	292 String err = "", tmp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	293 int lineType;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	294 do {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	295 tmp = reader.readLine();
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	296 if (tmp == null)
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	297 throw new IOException("Read from " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	298 con.getInetAddress().getHostName() + ":" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	299 con.getPort() + ": End of stream reached");
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	300 lineType = reader.getLineType();
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	301 if (lineType == BufferedMCLReader.ERROR) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	302 err += "\n" + tmp.substring(7);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	303 } else if (lineType == BufferedMCLReader.INFO) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	304 warns.add(tmp.substring(1));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	305 } else if (lineType == BufferedMCLReader.REDIRECT) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	306 redirects.add(tmp.substring(1));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	307 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	308 } while (lineType != BufferedMCLReader.PROMPT);
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	309
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	310 if (err.length() > 0) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	311 close();
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	312 throw new MCLException(err);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	313 }
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	314
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	315 if (!redirects.isEmpty()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	316 if (followRedirects) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	317 // Ok, server wants us to go somewhere else. The list
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	318 // might have multiple clues on where to go. For now we
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	319 // don't support anything intelligent but trying the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	320 // first one. URI should be in form of:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	321 // "mapi:monetdb://host:port/database?arg=value&..."
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	322 // or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	323 // "mapi:merovingian://proxy?arg=value&..."
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	324 // note that the extra arguments must be obeyed in both
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	325 // cases
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	326 final String suri = redirects.get(0).toString();
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	327 if (!suri.startsWith("mapi:"))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	328 throw new MCLException("unsupported redirect: " + suri);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	329
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	330 final URI u;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	331 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	332 u = new URI(suri.substring(5));
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	333 } catch (java.net.URISyntaxException e) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	334 throw new MCLParseException(e.toString());
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 tmp = u.getQuery();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	338 if (tmp != null) {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	339 final String args[] = tmp.split("&");
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	340 for (int i = 0; i < args.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	341 int pos = args[i].indexOf("=");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	342 if (pos > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	343 tmp = args[i].substring(0, pos);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	344 if (tmp.equals("database")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	345 tmp = args[i].substring(pos + 1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	346 if (!tmp.equals(database)) {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	347 warns.add("redirect points to different database: " + tmp);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	348 setDatabase(tmp);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	349 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	350 } else if (tmp.equals("language")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	351 tmp = args[i].substring(pos + 1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	352 warns.add("redirect specifies use of different language: " + tmp);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	353 setLanguage(tmp);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	354 } else if (tmp.equals("user")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	355 tmp = args[i].substring(pos + 1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	356 if (!tmp.equals(user))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	357 warns.add("ignoring different username '" + tmp + "' set by " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	358 "redirect, what are the security implications?");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	359 } else if (tmp.equals("password")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	360 warns.add("ignoring different password set by redirect, " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	361 "what are the security implications?");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	362 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	363 warns.add("ignoring unknown argument '" + tmp + "' from redirect");
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 } else {
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	366 warns.add("ignoring illegal argument from redirect: " + args[i]);
0 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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	369 }
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 if (u.getScheme().equals("monetdb")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	372 // this is a redirect to another (monetdb) server,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	373 // which means a full reconnect
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	374 // avoid the debug log being closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	375 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	376 debug = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	377 close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	378 debug = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	379 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	380 close();
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 tmp = u.getPath();
180 fdf4c888d5b7 Small code and layout improvements Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 90 diff changeset	383 if (tmp != null && tmp.length() > 0) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	384 tmp = tmp.substring(1).trim();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	385 if (!tmp.isEmpty() && !tmp.equals(database)) {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	386 warns.add("redirect points to different database: " + tmp);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	387 setDatabase(tmp);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	388 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	389 }
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	390 final int p = u.getPort();
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	391 warns.addAll(connect(u.getHost(), p == -1 ? port : p, user, pass, true));
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	392 warns.add("Redirect by " + host + ":" + port + " to " + suri);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	393 } else if (u.getScheme().equals("merovingian")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	394 // reuse this connection to inline connect to the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	395 // right database that Merovingian proxies for us
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	396 warns.addAll(connect(host, port, user, pass, false));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	397 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	398 throw new MCLException("unsupported scheme in redirect: " + suri);
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 } else {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	401 final StringBuilder msg = new StringBuilder("The server sent a redirect for this connection:");
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	402 for (String it : redirects) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	403 msg.append(" [" + it + "]");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	404 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	405 throw new MCLException(msg.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	406 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	407 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	408 return warns;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	409 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	410
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 * A little helper function that processes a challenge string, and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	413 * returns a response string for the server. If the challenge
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	414 * string is null, a challengeless response is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	415 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	416 * @param chalstr the challenge string
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	417 * for example: H8sRMhtevGd:mserver:9:PROT10,RIPEMD160,SHA256,SHA1,MD5,COMPRESSION_SNAPPY,COMPRESSION_LZ4:LIT:SHA512:
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	418 * @param username the username to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	419 * @param password the password to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	420 * @param language the language to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	421 * @param database the database to connect to
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	422 * @param hash the hash method(s) to use, or NULL for all supported hashes
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	423 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	424 private String getChallengeResponse(
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	425 final String chalstr,
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	426 String username,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	427 String password,
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	428 final String language,
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	429 final String database,
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	430 final String hash
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	431 ) throws MCLParseException, MCLException, IOException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	432 // parse the challenge string, split it on ':'
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	433 final String[] chaltok = chalstr.split(":");
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	434 if (chaltok.length <= 5)
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	435 throw new MCLParseException("Server challenge string unusable! It contains too few (" + chaltok.length + ") tokens: " + chalstr);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	436
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	437 try {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	438 version = Integer.parseInt(chaltok[2]); // protocol version
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	439 } catch (NumberFormatException e) {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	440 throw new MCLParseException("Protocol version (" + chaltok[2] + ") unparseable as integer.");
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	441 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	442
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	443 // handle the challenge according to the version it is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	444 switch (version) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	445 case 9:
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	446 // proto 9 is like 8, but uses a hash instead of the plain password
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	447 // the server tells us (in 6th token) which hash in the
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	448 // challenge after the byte-order token
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	449
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	450 String algo;
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	451 String pwhash = chaltok[5];
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	452 /* NOTE: Java doesn't support RIPEMD160 :( */
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	453 if (pwhash.equals("SHA512")) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	454 algo = "SHA-512";
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	455 } else if (pwhash.equals("SHA384")) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	456 algo = "SHA-384";
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	457 } else if (pwhash.equals("SHA256")) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	458 algo = "SHA-256";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	459 /* NOTE: Java doesn't support SHA-224 */
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	460 } else if (pwhash.equals("SHA1")) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	461 algo = "SHA-1";
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	462 } else if (pwhash.equals("MD5")) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	463 algo = "MD5";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	464 } else {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	465 throw new MCLException("Unsupported password hash: " + pwhash);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	466 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	467 try {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	468 final MessageDigest md = MessageDigest.getInstance(algo);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	469 md.update(password.getBytes("UTF-8"));
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	470 password = toHex(md.digest());
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	471 } catch (NoSuchAlgorithmException e) {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	472 throw new MCLException("This JVM does not support password hash: " + pwhash + "\n" + e.toString());
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	473 } catch (UnsupportedEncodingException e) {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	474 throw new MCLException("This JVM does not support UTF-8 encoding\n" + e.toString());
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	475 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	476
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	477 // proto 7 (finally) used the challenge and works with a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	478 // password hash. The supported implementations come
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	479 // from the server challenge. We chose the best hash
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	480 // we can find, in the order SHA512, SHA1, MD5, plain.
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	481 // Also the byte-order is reported in the challenge string,
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	482 // which makes sense, since only blockmode is supported.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	483 // proto 8 made this obsolete, but retained the
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	484 // byte-order report for future "binary" transports.
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	485 // In proto 8, the byte-order of the blocks is always little
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	486 // endian because most machines today are.
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	487 final String hashes = (hash == null \|\| hash.isEmpty()) ? chaltok[3] : hash;
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	488 final HashSet<String> hashesSet = new HashSet<String>(java.util.Arrays.asList(hashes.toUpperCase().split("[, ]"))); // split on comma or space
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	489
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	490 // if we deal with merovingian, mask our credentials
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	491 if (chaltok[1].equals("merovingian") && !language.equals("control")) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	492 username = "merovingian";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	493 password = "merovingian";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	494 }
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	495
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	496 // reuse variables algo and pwhash
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	497 algo = null;
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	498 pwhash = null;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	499 if (hashesSet.contains("SHA512")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	500 algo = "SHA-512";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	501 pwhash = "{SHA512}";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	502 } else if (hashesSet.contains("SHA384")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	503 algo = "SHA-384";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	504 pwhash = "{SHA384}";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	505 } else if (hashesSet.contains("SHA256")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	506 algo = "SHA-256";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	507 pwhash = "{SHA256}";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	508 } else if (hashesSet.contains("SHA1")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	509 algo = "SHA-1";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	510 pwhash = "{SHA1}";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	511 } else if (hashesSet.contains("MD5")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	512 algo = "MD5";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	513 pwhash = "{MD5}";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	514 } else {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	515 throw new MCLException("no supported hash algorithms found in " + hashes);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	516 }
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	517 try {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	518 final MessageDigest md = MessageDigest.getInstance(algo);
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	519 md.update(password.getBytes("UTF-8"));
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	520 md.update(chaltok[0].getBytes("UTF-8")); // salt/key
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	521 pwhash += toHex(md.digest());
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	522 } catch (NoSuchAlgorithmException e) {
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	523 throw new MCLException("This JVM does not support password hash: " + pwhash + "\n" + e.toString());
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	524 } catch (UnsupportedEncodingException e) {
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	525 throw new MCLException("This JVM does not support UTF-8 encoding\n" + e.toString());
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	526 }
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	527
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	528 // TODO: some day when we need this, we should store this
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	529 if (chaltok[4].equals("BIG")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	530 // byte-order of server is big-endian
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	531 } else if (chaltok[4].equals("LIT")) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	532 // byte-order of server is little-endian
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	533 } else {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	534 throw new MCLParseException("Invalid byte-order: " + chaltok[4]);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	535 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	536
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	537 // compose and return response
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	538 return "BIG:" // JVM byte-order is big-endian
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	539 + username + ":"
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	540 + pwhash + ":"
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	541 + language + ":"
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	542 + (database == null ? "" : database) + ":";
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	543 default:
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	544 throw new MCLException("Unsupported protocol version: " + version);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	545 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	546 }
75 db46b4ab2b9f Correct the condition for when the log can be closed: only when log instanceof FileWriter Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 53 diff changeset	547
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	548 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	549 * Small helper method to convert a byte string to a hexadecimal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	550 * string representation.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	551 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	552 * @param digest the byte array to convert
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	553 * @return the byte array as hexadecimal string
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	554 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	555 private final static String toHex(final byte[] digest) {
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	556 final char[] result = new char[digest.length * 2];
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	557 int pos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	558 for (int i = 0; i < digest.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	559 result[pos++] = hexChar((digest[i] & 0xf0) >> 4);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	560 result[pos++] = hexChar(digest[i] & 0x0f);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	561 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	562 return new String(result);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	563 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	564
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	565 private final static char hexChar(final int n) {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	566 return (n > 9)
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	567 ? (char) ('a' + (n - 10))
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	568 : (char) ('0' + n);
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	569 }
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	570
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	571
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	572 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	573 * Returns an InputStream that reads from this open connection on
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	574 * the MapiSocket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	575 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	576 * @return an input stream that reads from this open connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	577 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	578 public InputStream getInputStream() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	579 return fromMonet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	580 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	581
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	582 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	583 * Returns an output stream for this MapiSocket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	584 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	585 * @return an output stream for writing bytes to this MapiSocket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	586 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	587 public OutputStream getOutputStream() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	588 return toMonet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	589 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	590
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	591 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	592 * Returns a Reader for this MapiSocket. The Reader is a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	593 * BufferedMCLReader which does protocol interpretation of the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	594 * BlockInputStream produced by this MapiSocket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	595 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	596 * @return a BufferedMCLReader connected to this MapiSocket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	597 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	598 public BufferedMCLReader getReader() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	599 return reader;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	600 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	601
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	602 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	603 * Returns a Writer for this MapiSocket. The Writer is a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	604 * BufferedMCLWriter which produces protocol compatible data blocks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	605 * that the BlockOutputStream can properly translate into blocks.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	606 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	607 * @return a BufferedMCLWriter connected to this MapiSocket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	608 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	609 public BufferedMCLWriter getWriter() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	610 return writer;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	611 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	612
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	613 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	614 * Returns the mapi protocol version used by this socket. The
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	615 * protocol version depends on the server being used. Users of the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	616 * MapiSocket should check this version to act appropriately.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	617 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	618 * @return the mapi protocol version
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	619 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	620 public int getProtocolVersion() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	621 return version;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	622 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	623
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	624 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	625 * Enables logging to a file what is read and written from and to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	626 * the server. Logging can be enabled at any time. However, it is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	627 * encouraged to start debugging before actually connecting the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	628 * socket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	629 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	630 * @param filename the name of the file to write to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	631 * @throws IOException if the file could not be opened for writing
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	632 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	633 public void debug(final String filename) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	634 debug(new FileWriter(filename));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	635 }
75 db46b4ab2b9f Correct the condition for when the log can be closed: only when log instanceof FileWriter Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 53 diff changeset	636
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	637 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	638 * Enables logging to a stream what is read and written from and to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	639 * the server. Logging can be enabled at any time. However, it is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	640 * encouraged to start debugging before actually connecting the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	641 * socket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	642 *
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	643 * @param out to write the log to a print stream
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	644 * @throws IOException if the file could not be opened for writing
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	645 */
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	646 // disabled as it is not used by JDBC driver code
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	647 // public void debug(PrintStream out) throws IOException {
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	648 // debug(new PrintWriter(out));
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	649 // }
75 db46b4ab2b9f Correct the condition for when the log can be closed: only when log instanceof FileWriter Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 53 diff changeset	650
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	651 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	652 * Enables logging to a stream what is read and written from and to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	653 * the server. Logging can be enabled at any time. However, it is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	654 * encouraged to start debugging before actually connecting the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	655 * socket.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	656 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	657 * @param out to write the log to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	658 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	659 public void debug(final Writer out) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	660 log = out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	661 debug = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	662 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	663
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	664 /**
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	665 * Get the log Writer.
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	666 *
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	667 * @return the log writer
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	668 */
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	669 public Writer getLogWriter() {
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	670 return log;
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	671 }
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	672
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	673 /**
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	674 * Writes a logline tagged with a timestamp using the given type and message
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	675 * and optionally flushes afterwards.
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	676 *
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	677 * Used for debugging purposes only and represents a message data that is
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	678 * connected to reading (RD or RX) or writing (TD or TX) to the socket.
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	679 * R=Receive, T=Transmit, D=Data, X=??
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	680 *
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	681 * @param type message type: either RD, RX, TD or TX
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	682 * @param message the message to log
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	683 * @param flush whether we need to flush buffered data to the logfile.
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	684 * @throws IOException if an IO error occurs while writing to the logfile
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	685 */
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	686 private final void log(final String type, final String message, final boolean flush) throws IOException {
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	687 log.write(type + System.currentTimeMillis() + ": " + message + "\n");
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	688 if (flush)
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	689 log.flush();
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	690 }
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	691
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	692 /**
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	693 * Inner class that is used to write data on a normal stream as a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	694 * blocked stream. A call to the flush() method will write a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	695 * "final" block to the underlying stream. Non-final blocks are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	696 * written as soon as one or more bytes would not fit in the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	697 * current block any more. This allows to write to a block to it's
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	698 * full size, and then flush it explicitly to have a final block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	699 * being written to the stream.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	700 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	701 final class BlockOutputStream extends FilterOutputStream {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	702 private int writePos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	703 private int blocksize = 0;
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	704 private final byte[] block = new byte[BLOCK];
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	705
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	706 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	707 * Constructs this BlockOutputStream, backed by the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	708 * OutputStream. A BufferedOutputStream is internally used.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	709 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	710 public BlockOutputStream(final OutputStream out) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	711 // always use a buffered stream, even though we know how
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	712 // much bytes to write/read, since this is just faster for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	713 // some reason
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	714 super(new BufferedOutputStream(out));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	715 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	716
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	717 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	718 public void flush() throws IOException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	719 // write the block (as final) then flush.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	720 writeBlock(true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	721 out.flush();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	722
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	723 // it's a bit nasty if an exception is thrown from the log,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	724 // but ignoring it can be nasty as well, so it is decided to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	725 // let it go so there is feedback about something going wrong
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	726 // it's a bit nasty if an exception is thrown from the log,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	727 // but ignoring it can be nasty as well, so it is decided to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	728 // let it go so there is feedback about something going wrong
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	729 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	730 log.flush();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	731 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	732 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	733
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	734 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	735 * writeBlock puts the data in the block on the stream. The
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	736 * boolean last controls whether the block is sent with an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	737 * indicator to note it is the last block of a sequence or not.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	738 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	739 * @param last whether this is the last block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	740 * @throws IOException if writing to the stream failed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	741 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	742 public void writeBlock(final boolean last) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	743 if (last) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	744 // always fits, because of BLOCK's size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	745 blocksize = (short)writePos;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	746 // this is the last block, so encode least
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	747 // significant bit in the first byte (little-endian)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	748 blklen[0] = (byte)(blocksize << 1 & 0xFF \| 1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	749 blklen[1] = (byte)(blocksize >> 7);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	750 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	751 // always fits, because of BLOCK's size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	752 blocksize = (short)BLOCK;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	753 // another block will follow, encode least
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	754 // significant bit in the first byte (little-endian)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	755 blklen[0] = (byte)(blocksize << 1 & 0xFF);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	756 blklen[1] = (byte)(blocksize >> 7);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	757 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	758
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	759 out.write(blklen);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	760 // write the actual block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	761 out.write(block, 0, writePos);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	762
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	763 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	764 if (last) {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	765 log("TD ", "write final block: " + writePos + " bytes", false);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	766 } else {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	767 log("TD ", "write block: " + writePos + " bytes", false);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	768 }
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	769 log("TX ", new String(block, 0, writePos, "UTF-8"), true);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	770 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	771
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	772 writePos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	773 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	774
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	775 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	776 public void write(final int b) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	777 if (writePos == BLOCK) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	778 writeBlock(false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	779 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	780 block[writePos++] = (byte)b;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	781 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	782
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	783 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	784 public void write(final byte[] b) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	785 write(b, 0, b.length);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	786 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	787
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	788 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	789 public void write(final byte[] b, int off, int len) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	790 int t = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	791 while (len > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	792 t = BLOCK - writePos;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	793 if (len > t) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	794 System.arraycopy(b, off, block, writePos, t);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	795 off += t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	796 len -= t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	797 writePos += t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	798 writeBlock(false);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	799 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	800 System.arraycopy(b, off, block, writePos, len);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	801 writePos += len;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	802 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	803 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	804 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	805 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	806
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	807 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	808 public void close() throws IOException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	809 // we don't want the flush() method to be called (default of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	810 // the FilterOutputStream), so we close manually here
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	811 out.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	812 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	813 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	814
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	815
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	816 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	817 * Inner class that is used to make the data on the blocked stream
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	818 * available as a normal stream.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	819 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	820 final class BlockInputStream extends FilterInputStream {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	821 private int readPos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	822 private int blockLen = 0;
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	823 private final byte[] block = new byte[BLOCK + 3]; // \n.\n
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	824
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	825 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	826 * Constructs this BlockInputStream, backed by the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	827 * InputStream. A BufferedInputStream is internally used.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	828 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	829 public BlockInputStream(final InputStream in) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	830 // always use a buffered stream, even though we know how
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	831 // much bytes to write/read, since this is just faster for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	832 // some reason
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	833 super(new BufferedInputStream(in));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	834 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	835
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	836 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	837 public int available() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	838 return blockLen - readPos;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	839 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	840
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	841 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	842 public boolean markSupported() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	843 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	844 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	845
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	846 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	847 public void mark(final int readlimit) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	848 throw new AssertionError("Not implemented!");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	849 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	850
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	851 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	852 public void reset() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	853 throw new AssertionError("Not implemented!");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	854 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	855
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	856 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	857 * Small wrapper to get a blocking variant of the read() method
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	858 * on the BufferedInputStream. We want to benefit from the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	859 * Buffered pre-fetching, but not dealing with half blocks.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	860 * Changing this class to be able to use the partially received
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	861 * data will greatly complicate matters, while a performance
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	862 * improvement is debatable given the relatively small size of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	863 * our blocks. Maybe it does speed up on slower links, then
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	864 * consider this method a quick bug fix/workaround.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	865 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	866 * @return false if reading the block failed due to EOF
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	867 */
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	868 private boolean _read(final byte[] b, int len) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	869 int s;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	870 int off = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	871 while (len > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	872 s = in.read(b, off, len);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	873 if (s == -1) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	874 // if we have read something before, we should have been
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	875 // able to read the whole, so make this fatal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	876 if (off > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	877 if (debug) {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	878 log("RD ", "the following incomplete block was received:", false);
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	879 log("RX ", new String(b, 0, off, "UTF-8"), true);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	880 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	881 throw new IOException("Read from " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	882 con.getInetAddress().getHostName() + ":" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	883 con.getPort() + ": Incomplete block read from stream");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	884 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	885 if (debug)
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	886 log("RD ", "server closed the connection (EOF)", true);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	887 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	888 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	889 len -= s;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	890 off += s;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	891 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	892
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	893 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	894 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	895
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	896 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	897 * Reads the next block on the stream into the internal buffer,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	898 * or writes the prompt in the buffer.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	899 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	900 * The blocked stream protocol consists of first a two byte
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	901 * integer indicating the length of the block, then the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	902 * block, followed by another length + block. The end of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	903 * such sequence is put in the last bit of the length, and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	904 * hence this length should be shifted to the right to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	905 * obtain the real length value first. We simply fetch
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	906 * blocks here as soon as they are needed for the stream's
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	907 * read methods.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	908 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	909 * The user-flush, which is an implicit effect of the end of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	910 * a block sequence, is communicated beyond the stream by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	911 * inserting a prompt sequence on the stream after the last
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	912 * block. This method makes sure that a final block ends with a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	913 * newline, if it doesn't already, in order to facilitate a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	914 * Reader that is possibly chained to this InputStream.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	915 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	916 * If the stream is not positioned correctly, hell will break
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	917 * loose.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	918 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	919 private int readBlock() throws IOException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	920 // read next two bytes (short)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	921 if (!_read(blklen, 2))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	922 return(-1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	923
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	924 // Get the short-value and store its value in blockLen.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	925 blockLen = (short)(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	926 (blklen[0] & 0xFF) >> 1 \|
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	927 (blklen[1] & 0xFF) << 7
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	928 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	929 readPos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	930
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	931 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	932 if ((blklen[0] & 0x1) == 1) {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	933 log("RD ", "read final block: " + blockLen + " bytes", false);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	934 } else {
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	935 log("RD ", "read new block: " + blockLen + " bytes", false);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	936 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	937 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	938
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	939 // sanity check to avoid bad servers make us do an ugly
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	940 // stack trace
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	941 if (blockLen > block.length)
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	942 throw new IOException("Server sent a block larger than BLOCKsize: " +
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	943 blockLen + " > " + block.length);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	944 if (!_read(block, blockLen))
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	945 return -1;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	946
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	947 if (debug)
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	948 log("RX ", new String(block, 0, blockLen, "UTF-8"), true);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	949
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	950 // if this is the last block, make it end with a newline and prompt
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	951 if ((blklen[0] & 0x1) == 1) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	952 if (blockLen > 0 && block[blockLen - 1] != '\n') {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	953 // to terminate the block in a Reader
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	954 block[blockLen++] = '\n';
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	955 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	956 // insert 'fake' flush
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	957 block[blockLen++] = BufferedMCLReader.PROMPT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	958 block[blockLen++] = '\n';
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	959 if (debug)
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	960 log("RD ", "inserting prompt", true);
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	961 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	962
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	963 return blockLen;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	964 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	965
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	966 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	967 public int read() throws IOException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	968 if (available() == 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	969 if (readBlock() == -1)
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	970 return -1;
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	971 }
75 db46b4ab2b9f Correct the condition for when the log can be closed: only when log instanceof FileWriter Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 53 diff changeset	972
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	973 if (debug)
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	974 log("RX ", new String(block, readPos, 1, "UTF-8"), true);
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	975
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	976 return (int)block[readPos++];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	977 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	978
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	979 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	980 public int read(final byte[] b) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	981 return read(b, 0, b.length);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	982 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	983
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	984 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	985 public int read(final byte[] b, int off, int len) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	986 int t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	987 int size = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	988 while (size < len) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	989 t = available();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	990 if (t == 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	991 if (size != 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	992 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	993 if (readBlock() == -1) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	994 if (size == 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	995 size = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	996 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	997 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	998 t = available();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	999 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1000 if (len > t) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1001 System.arraycopy(block, readPos, b, off, t);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1002 off += t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1003 len -= t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1004 readPos += t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1005 size += t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1006 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1007 System.arraycopy(block, readPos, b, off, len);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1008 readPos += len;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1009 size += len;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1010 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1011 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1012 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1013 return size;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1014 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1015
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1016 @Override
297 bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible. Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 281 diff changeset	1017 public long skip(final long n) throws IOException {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1018 long skip = n;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1019 int t = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1020 while (skip > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1021 t = available();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1022 if (skip > t) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1023 skip -= t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1024 readPos += t;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1025 readBlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1026 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1027 readPos += skip;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1028 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1029 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1030 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1031 return n;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1032 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1033 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1034
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1035 /**
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	1036 * Closes the streams and socket connected to the server if possible.
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	1037 * If an error occurs at closing a resource, it is ignored so as many
b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	1038 * resources as possible are closed.
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1039 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1040 public synchronized void close() {
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1041 if (writer != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1042 try {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1043 writer.close();
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1044 writer = null;
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1045 } catch (IOException e) { /* ignore it */ }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1046 }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1047 if (reader != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1048 try {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1049 reader.close();
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1050 reader = null;
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1051 } catch (IOException e) { /* ignore it */ }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1052 }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1053 if (toMonet != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1054 try {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1055 toMonet.close();
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1056 toMonet = null;
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1057 } catch (IOException e) { /* ignore it */ }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1058 }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1059 if (fromMonet != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1060 try {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1061 fromMonet.close();
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1062 fromMonet = null;
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1063 } catch (IOException e) { /* ignore it */ }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1064 }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1065 if (con != null) {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1066 try {
281 b58c1b245ede Correct and improve implementation of getChallengeResponse() for protocol 9 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 276 diff changeset	1067 con.close(); // close the socket
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1068 con = null;
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1069 } catch (IOException e) { /* ignore it */ }
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1070 }
75 db46b4ab2b9f Correct the condition for when the log can be closed: only when log instanceof FileWriter Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 53 diff changeset	1071 if (debug && log != null && log instanceof FileWriter) {
53 6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1072 try {
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1073 log.close();
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1074 log = null;
6cc63d6cb224 Implemented fix as suggested in Bug 3973 Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	1075 } catch (IOException e) { /* ignore it */ }
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1076 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1077 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1078
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1079 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1080 * Destructor called by garbage collector before destroying this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1081 * object tries to disconnect the MonetDB connection if it has not
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1082 * been disconnected already.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1083 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1084 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1085 protected void finalize() throws Throwable {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1086 close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1087 super.finalize();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1088 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1089 }

Mercurial > hg > monetdb-java

annotate src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java @ 297:bb273e9c7e09